commit
54d8240dc0
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body {
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||||||
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background: #444;
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||||||
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overflow: hidden;
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||||||
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color: white;
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||||||
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font-family: sans-serif;
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||||||
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margin: 0px;
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||||||
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}
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.main {
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position: re;
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||||||
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left: 5px;
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||||||
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overflow: hidden;
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right: 5px;
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text-align: center;
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top: 5px;
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}
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#progress {
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position: absolute;
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display: inline;
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left: 90px;
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right: 160px;
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||||||
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height: 20px;
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margin-top: 1px;
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text-align: right;
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}
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.hide {
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display: none !important;
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}
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#mainText {
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text-align: left;
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width: 90%;
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position: relative;
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top: 10px;
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background: #ccc;
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color: black;
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margin-right: auto;
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margin-left: auto;
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padding: 10px;
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word-wrap: break-word;
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}
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#mainImage{
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margin-top: 32px;
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}
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#titlebar.main {
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opacity: 0;
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position: absolute;
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top: 0;
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height: 30px;
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left: 0;
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right: 0;
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background-color: black;
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padding-bottom: 70px;
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-webkit-transition: opacity 0.2s ease;
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-moz-transition: opacity 0.2s ease;
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transition: opacity 0.2s ease;
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background: -moz-linear-gradient(top, rgba(0,2,34,1) 0%, rgba(0,1,24,1) 30%, rgba(0,0,0,0) 100%); /* FF3.6+ */
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background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,2,34,1)), color-stop(30%,rgba(0,1,24,1)), color-stop(100%,rgba(0,0,0,0))); /* Chrome,Safari4+ */
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background: -webkit-linear-gradient(top, rgba(0,2,34,1) 0%,rgba(0,1,24,1) 30%,rgba(0,0,0,0) 100%); /* Chrome10+,Safari5.1+ */
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background: -o-linear-gradient(top, rgba(0,2,34,1) 0%,rgba(0,1,24,1) 30%,rgba(0,0,0,0) 100%); /* Opera11.10+ */
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background: -ms-linear-gradient(top, rgba(0,2,34,1) 0%,rgba(0,1,24,1) 30%,rgba(0,0,0,0) 100%); /* IE10+ */
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filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000222', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */
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background: linear-gradient(top, rgba(0,2,34,1) 0%,rgba(0,1,24,1) 30%,rgba(0,0,0,0) 100%); /* W3C */
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}
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#prev {
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left: 40px;
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}
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#next {
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right: 40px;
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}
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.arrow {
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position: absolute;
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top: 50%;
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margin-top: -32px;
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font-size: 64px;
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color: #E2E2E2;
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font-family: arial, sans-serif;
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font-weight: bold;
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cursor: pointer;
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-webkit-user-select: none;
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-khtml-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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}
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.arrow:hover {
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color: #777;
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}
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.arrow:active,
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.arrow.active {
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color: #000;
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}
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@ -1 +1 @@
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<svg xmlns="http://www.w3.org/2000/svg" width="673.826" height="144" viewBox="0 0 673.826 144"><g fill="#5A481C"><path d="M66.66 86.444h-.315c-3.34 14.507-18.19 22.964-32.213 22.964C11.33 109.408 0 91.212 0 70.163c0-22.008 12.146-40.18 35.245-40.18 15.643 0 27.917 10.368 31.1 23.76h.315v-21.85h3.194v79.26C69.854 133.474 57.09 144 35.71 144c-16.576 0-30.78-7.49-31.257-25.843h3.205c.642 16.273 13.08 22.65 27.896 22.65 19.787 0 31.106-9.402 31.106-29.656V86.445zM35.245 33.176c-21.215 0-32.062 17.06-32.062 36.987 0 20.25 10.846 36.062 30.768 36.062 21.065 0 32.558-16.295 32.558-36.062.152-18.825-10.678-36.987-31.263-36.987zM115.787 29.982c23.926 0 36.825 20.58 36.825 42.897 0 22.482-12.898 42.894-36.987 42.894-23.915 0-36.853-20.41-36.853-42.895 0-22.318 12.938-42.898 37.015-42.898zm0 82.598c21.828 0 33.642-18.972 33.642-39.7 0-20.418-11.815-39.704-33.643-39.704-22.176 0-33.81 19.287-33.81 39.703 0 20.728 11.634 39.7 33.81 39.7zM194.57 29.982c23.908 0 36.824 20.58 36.824 42.897 0 22.482-12.916 42.894-36.987 42.894-23.925 0-36.84-20.41-36.84-42.895-.002-22.318 12.914-42.898 37.003-42.898zm0 82.598c21.856 0 33.643-18.972 33.643-39.7 0-20.418-11.786-39.704-33.643-39.704-22.17 0-33.822 19.287-33.822 39.703 0 20.728 11.65 39.7 33.822 39.7zM304.436 0h3.194v113.86h-3.194V90.91h-.326c-4.14 14.337-16.082 24.863-32.837 24.863-21.7 0-34.942-18.027-34.942-42.73 0-22.97 12.3-43.06 34.943-43.06 17.386 0 29.02 10.053 32.837 24.87h.326V0zm-33.163 33.176c-22.493 0-31.736 20.883-31.736 39.866 0 21.04 10.526 39.538 31.736 39.538 21.052 0 33.163-18.32 33.163-39.538 0-25.36-13.236-39.866-33.163-39.866zM323.093 31.58h9.25v19.286h.327c5.103-13.248 16.253-21.052 31.098-20.4v10.042c-18.196-.967-30.62 12.427-30.62 29.492v43.86h-10.054V31.58zM372.38 75.426c.147 14.684 7.806 32.363 27.092 32.363 14.688 0 22.65-8.604 25.832-21.03h10.064c-4.308 18.656-15.16 29.486-35.896 29.486-26.124 0-37.146-20.097-37.146-43.52 0-21.693 11.02-43.543 37.146-43.543 26.483 0 37.032 23.132 36.21 46.243h-63.3zm53.25-8.446c-.462-15.148-9.886-29.363-26.158-29.363-16.42 0-25.495 14.372-27.09 29.363h53.248zM444.297 56.775c.945-19.293 14.508-27.592 33.333-27.592 14.54 0 30.342 4.47 30.342 26.46v43.71c0 3.836 1.923 6.063 5.915 6.063 1.113 0 2.36-.326 3.183-.64v8.445c-2.238.484-3.835.642-6.557.642-10.2 0-11.82-5.735-11.82-14.36h-.28c-7.04 10.683-14.226 16.745-30.05 16.745-15.124 0-27.573-7.467-27.573-24.078 0-23.12 22.48-23.913 44.185-26.46 8.31-.978 12.933-2.09 12.933-11.172 0-13.557-9.728-16.92-21.56-16.92-12.436 0-21.67 5.76-22.03 19.16H444.3zm53.61 12.106h-.314c-1.27 2.397-5.758 3.207-8.457 3.68-17.082 3.024-38.292 2.867-38.292 18.968 0 10.054 8.93 16.262 18.342 16.262 15.317 0 28.89-9.716 28.722-25.82V68.88zM596.488 113.86h-9.232V98.24h-.326c-4.308 10.685-17.386 18.006-29.34 18.006-25.068 0-37.01-20.23-37.01-43.52 0-23.29 11.94-43.543 37.01-43.543 12.27 0 24.223 6.22 28.52 18.016h.348V0h10.03v113.86zm-38.9-6.07c21.356 0 28.868-18.017 28.868-35.063 0-17.083-7.512-35.11-28.868-35.11-19.14 0-26.956 18.027-26.956 35.11 0 17.046 7.817 35.062 26.956 35.062zM660.926 55.645c-.494-12.438-10.043-18.027-21.535-18.027-8.94 0-19.443 3.52-19.443 14.215 0 8.918 10.188 12.112 17.06 13.877l13.395 3.014c11.47 1.76 23.425 8.457 23.425 22.804 0 17.88-17.667 24.72-33.007 24.72-19.14 0-32.208-8.93-33.805-29.016h10.03c.82 13.54 10.864 20.558 24.27 20.558 9.38 0 22.47-4.14 22.47-15.62 0-9.56-8.92-12.745-18.005-14.99l-12.933-2.855c-13.068-3.51-22.976-7.984-22.976-22.008 0-16.745 16.43-23.132 30.95-23.132 16.418 0 29.52 8.625 30.14 26.46h-10.034z"/></g></svg>
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 673.826 144"><g fill="#5A481C"><path d="M66.66 86.444h-.315c-3.34 14.507-18.19 22.964-32.213 22.964C11.33 109.408 0 91.212 0 70.163c0-22.008 12.146-40.18 35.245-40.18 15.643 0 27.917 10.368 31.1 23.76h.315v-21.85h3.194v79.26C69.854 133.474 57.09 144 35.71 144c-16.576 0-30.78-7.49-31.257-25.843h3.205c.642 16.273 13.08 22.65 27.896 22.65 19.787 0 31.106-9.402 31.106-29.656V86.445zM35.245 33.176c-21.215 0-32.062 17.06-32.062 36.987 0 20.25 10.846 36.062 30.768 36.062 21.065 0 32.558-16.295 32.558-36.062.152-18.825-10.678-36.987-31.263-36.987zM115.787 29.982c23.926 0 36.825 20.58 36.825 42.897 0 22.482-12.898 42.894-36.987 42.894-23.915 0-36.853-20.41-36.853-42.895 0-22.318 12.938-42.898 37.015-42.898zm0 82.598c21.828 0 33.642-18.972 33.642-39.7 0-20.418-11.815-39.704-33.643-39.704-22.176 0-33.81 19.287-33.81 39.703 0 20.728 11.634 39.7 33.81 39.7zM194.57 29.982c23.908 0 36.824 20.58 36.824 42.897 0 22.482-12.916 42.894-36.987 42.894-23.925 0-36.84-20.41-36.84-42.895-.002-22.318 12.914-42.898 37.003-42.898zm0 82.598c21.856 0 33.643-18.972 33.643-39.7 0-20.418-11.786-39.704-33.643-39.704-22.17 0-33.822 19.287-33.822 39.703 0 20.728 11.65 39.7 33.822 39.7zM304.436 0h3.194v113.86h-3.194V90.91h-.326c-4.14 14.337-16.082 24.863-32.837 24.863-21.7 0-34.942-18.027-34.942-42.73 0-22.97 12.3-43.06 34.943-43.06 17.386 0 29.02 10.053 32.837 24.87h.326V0zm-33.163 33.176c-22.493 0-31.736 20.883-31.736 39.866 0 21.04 10.526 39.538 31.736 39.538 21.052 0 33.163-18.32 33.163-39.538 0-25.36-13.236-39.866-33.163-39.866zM323.093 31.58h9.25v19.286h.327c5.103-13.248 16.253-21.052 31.098-20.4v10.042c-18.196-.967-30.62 12.427-30.62 29.492v43.86h-10.054V31.58zM372.38 75.426c.147 14.684 7.806 32.363 27.092 32.363 14.688 0 22.65-8.604 25.832-21.03h10.064c-4.308 18.656-15.16 29.486-35.896 29.486-26.124 0-37.146-20.097-37.146-43.52 0-21.693 11.02-43.543 37.146-43.543 26.483 0 37.032 23.132 36.21 46.243h-63.3zm53.25-8.446c-.462-15.148-9.886-29.363-26.158-29.363-16.42 0-25.495 14.372-27.09 29.363h53.248zM444.297 56.775c.945-19.293 14.508-27.592 33.333-27.592 14.54 0 30.342 4.47 30.342 26.46v43.71c0 3.836 1.923 6.063 5.915 6.063 1.113 0 2.36-.326 3.183-.64v8.445c-2.238.484-3.835.642-6.557.642-10.2 0-11.82-5.735-11.82-14.36h-.28c-7.04 10.683-14.226 16.745-30.05 16.745-15.124 0-27.573-7.467-27.573-24.078 0-23.12 22.48-23.913 44.185-26.46 8.31-.978 12.933-2.09 12.933-11.172 0-13.557-9.728-16.92-21.56-16.92-12.436 0-21.67 5.76-22.03 19.16H444.3zm53.61 12.106h-.314c-1.27 2.397-5.758 3.207-8.457 3.68-17.082 3.024-38.292 2.867-38.292 18.968 0 10.054 8.93 16.262 18.342 16.262 15.317 0 28.89-9.716 28.722-25.82V68.88zM596.488 113.86h-9.232V98.24h-.326c-4.308 10.685-17.386 18.006-29.34 18.006-25.068 0-37.01-20.23-37.01-43.52 0-23.29 11.94-43.543 37.01-43.543 12.27 0 24.223 6.22 28.52 18.016h.348V0h10.03v113.86zm-38.9-6.07c21.356 0 28.868-18.017 28.868-35.063 0-17.083-7.512-35.11-28.868-35.11-19.14 0-26.956 18.027-26.956 35.11 0 17.046 7.817 35.062 26.956 35.062zM660.926 55.645c-.494-12.438-10.043-18.027-21.535-18.027-8.94 0-19.443 3.52-19.443 14.215 0 8.918 10.188 12.112 17.06 13.877l13.395 3.014c11.47 1.76 23.425 8.457 23.425 22.804 0 17.88-17.667 24.72-33.007 24.72-19.14 0-32.208-8.93-33.805-29.016h10.03c.82 13.54 10.864 20.558 24.27 20.558 9.38 0 22.47-4.14 22.47-15.62 0-9.56-8.92-12.745-18.005-14.99l-12.933-2.855c-13.068-3.51-22.976-7.984-22.976-22.008 0-16.745 16.43-23.132 30.95-23.132 16.418 0 29.52 8.625 30.14 26.46h-10.034z"/></g></svg>
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Before Width: | Height: | Size: 3.5 KiB After Width: | Height: | Size: 3.4 KiB |
@ -0,0 +1,364 @@
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/**
|
||||||
|
* archive.js
|
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|
*
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||||||
|
* Provides base functionality for unarchiving.
|
||||||
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*
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||||||
|
* Licensed under the MIT License
|
||||||
|
*
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||||||
|
* Copyright(c) 2011 Google Inc.
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|
*/
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||||||
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||||||
|
/* global bitjs */
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||||||
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|
||||||
|
var bitjs = bitjs || {};
|
||||||
|
bitjs.archive = bitjs.archive || {};
|
||||||
|
|
||||||
|
(function() {
|
||||||
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|
||||||
|
// ===========================================================================
|
||||||
|
// Stolen from Closure because it's the best way to do Java-like inheritance.
|
||||||
|
bitjs.base = function(me, optMethodName, varArgs) {
|
||||||
|
var caller = arguments.callee.caller;
|
||||||
|
if (caller.superClass_) {
|
||||||
|
// This is a constructor. Call the superclass constructor.
|
||||||
|
return caller.superClass_.constructor.apply(
|
||||||
|
me, Array.prototype.slice.call(arguments, 1));
|
||||||
|
}
|
||||||
|
|
||||||
|
var args = Array.prototype.slice.call(arguments, 2);
|
||||||
|
var foundCaller = false;
|
||||||
|
for (var ctor = me.constructor;
|
||||||
|
ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {
|
||||||
|
if (ctor.prototype[optMethodName] === caller) {
|
||||||
|
foundCaller = true;
|
||||||
|
} else if (foundCaller) {
|
||||||
|
return ctor.prototype[optMethodName].apply(me, args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// If we did not find the caller in the prototype chain,
|
||||||
|
// then one of two things happened:
|
||||||
|
// 1) The caller is an instance method.
|
||||||
|
// 2) This method was not called by the right caller.
|
||||||
|
if (me[optMethodName] === caller) {
|
||||||
|
return me.constructor.prototype[optMethodName].apply(me, args);
|
||||||
|
} else {
|
||||||
|
throw Error(
|
||||||
|
"goog.base called from a method of one name " +
|
||||||
|
"to a method of a different name");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
bitjs.inherits = function(childCtor, parentCtor) {
|
||||||
|
/** @constructor */
|
||||||
|
function TempCtor() {}
|
||||||
|
TempCtor.prototype = parentCtor.prototype;
|
||||||
|
childCtor.superClass_ = parentCtor.prototype;
|
||||||
|
childCtor.prototype = new TempCtor();
|
||||||
|
childCtor.prototype.constructor = childCtor;
|
||||||
|
};
|
||||||
|
// ===========================================================================
|
||||||
|
|
||||||
|
/**
|
||||||
|
* An unarchive event.
|
||||||
|
*
|
||||||
|
* @param {string} type The event type.
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveEvent = function(type) {
|
||||||
|
/**
|
||||||
|
* The event type.
|
||||||
|
*
|
||||||
|
* @type {string}
|
||||||
|
*/
|
||||||
|
this.type = type;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The UnarchiveEvent types.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveEvent.Type = {
|
||||||
|
START: "start",
|
||||||
|
PROGRESS: "progress",
|
||||||
|
EXTRACT: "extract",
|
||||||
|
FINISH: "finish",
|
||||||
|
INFO: "info",
|
||||||
|
ERROR: "error"
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Useful for passing info up to the client (for debugging).
|
||||||
|
*
|
||||||
|
* @param {string} msg The info message.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveInfoEvent = function(msg) {
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.INFO);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The information message.
|
||||||
|
*
|
||||||
|
* @type {string}
|
||||||
|
*/
|
||||||
|
this.msg = msg;
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveInfoEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* An unrecoverable error has occured.
|
||||||
|
*
|
||||||
|
* @param {string} msg The error message.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveErrorEvent = function(msg) {
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.ERROR);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The information message.
|
||||||
|
*
|
||||||
|
* @type {string}
|
||||||
|
*/
|
||||||
|
this.msg = msg;
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveErrorEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Start event.
|
||||||
|
*
|
||||||
|
* @param {string} msg The info message.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveStartEvent = function() {
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.START);
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveStartEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Finish event.
|
||||||
|
*
|
||||||
|
* @param {string} msg The info message.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveFinishEvent = function() {
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.FINISH);
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveFinishEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Progress event.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveProgressEvent = function(
|
||||||
|
currentFilename,
|
||||||
|
currentFileNumber,
|
||||||
|
currentBytesUnarchivedInFile,
|
||||||
|
currentBytesUnarchived,
|
||||||
|
totalUncompressedBytesInArchive,
|
||||||
|
totalFilesInArchive)
|
||||||
|
{
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.PROGRESS);
|
||||||
|
|
||||||
|
this.currentFilename = currentFilename;
|
||||||
|
this.currentFileNumber = currentFileNumber;
|
||||||
|
this.currentBytesUnarchivedInFile = currentBytesUnarchivedInFile;
|
||||||
|
this.totalFilesInArchive = totalFilesInArchive;
|
||||||
|
this.currentBytesUnarchived = currentBytesUnarchived;
|
||||||
|
this.totalUncompressedBytesInArchive = totalUncompressedBytesInArchive;
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveProgressEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* All extracted files returned by an Unarchiver will implement
|
||||||
|
* the following interface:
|
||||||
|
*
|
||||||
|
* interface UnarchivedFile {
|
||||||
|
* string filename
|
||||||
|
* TypedArray fileData
|
||||||
|
* }
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Extract event.
|
||||||
|
*/
|
||||||
|
bitjs.archive.UnarchiveExtractEvent = function(unarchivedFile) {
|
||||||
|
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.EXTRACT);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @type {UnarchivedFile}
|
||||||
|
*/
|
||||||
|
this.unarchivedFile = unarchivedFile;
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.UnarchiveExtractEvent, bitjs.archive.UnarchiveEvent);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Base class for all Unarchivers.
|
||||||
|
*
|
||||||
|
* @param {ArrayBuffer} arrayBuffer The Array Buffer.
|
||||||
|
* @param {string} optPathToBitJS Optional string for where the BitJS files are located.
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver = function(arrayBuffer, optPathToBitJS) {
|
||||||
|
/**
|
||||||
|
* The ArrayBuffer object.
|
||||||
|
* @type {ArrayBuffer}
|
||||||
|
* @protected
|
||||||
|
*/
|
||||||
|
this.ab = arrayBuffer;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The path to the BitJS files.
|
||||||
|
* @type {string}
|
||||||
|
* @private
|
||||||
|
*/
|
||||||
|
this.pathToBitJS_ = optPathToBitJS || "";
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A map from event type to an array of listeners.
|
||||||
|
* @type {Map.<string, Array>}
|
||||||
|
*/
|
||||||
|
this.listeners_ = {};
|
||||||
|
for (var type in bitjs.archive.UnarchiveEvent.Type) {
|
||||||
|
this.listeners_[bitjs.archive.UnarchiveEvent.Type[type]] = [];
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Private web worker initialized during start().
|
||||||
|
* @type {Worker}
|
||||||
|
* @private
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.worker_ = null;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This method must be overridden by the subclass to return the script filename.
|
||||||
|
* @return {string} The script filename.
|
||||||
|
* @protected.
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.getScriptFileName = function() {
|
||||||
|
throw "Subclasses of AbstractUnarchiver must overload getScriptFileName()";
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Adds an event listener for UnarchiveEvents.
|
||||||
|
*
|
||||||
|
* @param {string} Event type.
|
||||||
|
* @param {function} An event handler function.
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.addEventListener = function(type, listener) {
|
||||||
|
if (type in this.listeners_) {
|
||||||
|
if (this.listeners_[type].indexOf(listener) === -1) {
|
||||||
|
this.listeners_[type].push(listener);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Removes an event listener.
|
||||||
|
*
|
||||||
|
* @param {string} Event type.
|
||||||
|
* @param {EventListener|function} An event listener or handler function.
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.removeEventListener = function(type, listener) {
|
||||||
|
if (type in this.listeners_) {
|
||||||
|
var index = this.listeners_[type].indexOf(listener);
|
||||||
|
if (index !== -1) {
|
||||||
|
this.listeners_[type].splice(index, 1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Receive an event and pass it to the listener functions.
|
||||||
|
*
|
||||||
|
* @param {bitjs.archive.UnarchiveEvent} e
|
||||||
|
* @private
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.handleWorkerEvent_ = function(e) {
|
||||||
|
if ((e instanceof bitjs.archive.UnarchiveEvent || e.type) &&
|
||||||
|
this.listeners_[e.type] instanceof Array) {
|
||||||
|
this.listeners_[e.type].forEach(function (listener) {
|
||||||
|
listener(e);
|
||||||
|
});
|
||||||
|
if (e.type === bitjs.archive.UnarchiveEvent.Type.FINISH) {
|
||||||
|
this.worker_.terminate();
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
console.log(e);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Starts the unarchive in a separate Web Worker thread and returns immediately.
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.start = function() {
|
||||||
|
var me = this;
|
||||||
|
var scriptFileName = this.pathToBitJS_ + this.getScriptFileName();
|
||||||
|
if (scriptFileName) {
|
||||||
|
this.worker_ = new Worker(scriptFileName);
|
||||||
|
|
||||||
|
this.worker_.onerror = function(e) {
|
||||||
|
console.log("Worker error: message = " + e.message);
|
||||||
|
throw e;
|
||||||
|
};
|
||||||
|
|
||||||
|
this.worker_.onmessage = function(e) {
|
||||||
|
if (typeof e.data === "string") {
|
||||||
|
// Just log any strings the workers pump our way.
|
||||||
|
console.log(e.data);
|
||||||
|
} else {
|
||||||
|
// Assume that it is an UnarchiveEvent. Some browsers preserve the 'type'
|
||||||
|
// so that instanceof UnarchiveEvent returns true, but others do not.
|
||||||
|
me.handleWorkerEvent_(e.data);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
this.worker_.postMessage({file: this.ab});
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Terminates the Web Worker for this Unarchiver and returns immediately.
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unarchiver.prototype.stop = function() {
|
||||||
|
if (this.worker_) {
|
||||||
|
this.worker_.terminate();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Unzipper
|
||||||
|
* @extends {bitjs.archive.Unarchiver}
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unzipper = function(arrayBuffer, optPathToBitJS) {
|
||||||
|
bitjs.base(this, arrayBuffer, optPathToBitJS);
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.Unzipper, bitjs.archive.Unarchiver);
|
||||||
|
bitjs.archive.Unzipper.prototype.getScriptFileName = function() {
|
||||||
|
return "unzip.js";
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Unrarrer
|
||||||
|
* @extends {bitjs.archive.Unarchiver}
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.archive.Unrarrer = function(arrayBuffer, optPathToBitJS) {
|
||||||
|
bitjs.base(this, arrayBuffer, optPathToBitJS);
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.Unrarrer, bitjs.archive.Unarchiver);
|
||||||
|
bitjs.archive.Unrarrer.prototype.getScriptFileName = function() {
|
||||||
|
return "unrar.js";
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Untarrer
|
||||||
|
* @extends {bitjs.archive.Unarchiver}
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.archive.Untarrer = function(arrayBuffer, optPathToBitJS) {
|
||||||
|
bitjs.base(this, arrayBuffer, optPathToBitJS);
|
||||||
|
};
|
||||||
|
bitjs.inherits(bitjs.archive.Untarrer, bitjs.archive.Unarchiver);
|
||||||
|
bitjs.archive.Untarrer.prototype.getScriptFileName = function() {
|
||||||
|
return "untar.js";
|
||||||
|
};
|
||||||
|
|
||||||
|
})();
|
@ -0,0 +1,484 @@
|
|||||||
|
/*
|
||||||
|
* io.js
|
||||||
|
*
|
||||||
|
* Provides readers for bit/byte streams (reading) and a byte buffer (writing).
|
||||||
|
*
|
||||||
|
* Licensed under the MIT License
|
||||||
|
*
|
||||||
|
* Copyright(c) 2011 Google Inc.
|
||||||
|
* Copyright(c) 2011 antimatter15
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* global bitjs, Uint8Array */
|
||||||
|
|
||||||
|
var bitjs = bitjs || {};
|
||||||
|
bitjs.io = bitjs.io || {};
|
||||||
|
|
||||||
|
(function() {
|
||||||
|
|
||||||
|
// mask for getting the Nth bit (zero-based)
|
||||||
|
bitjs.BIT = [ 0x01, 0x02, 0x04, 0x08,
|
||||||
|
0x10, 0x20, 0x40, 0x80,
|
||||||
|
0x100, 0x200, 0x400, 0x800,
|
||||||
|
0x1000, 0x2000, 0x4000, 0x8000];
|
||||||
|
|
||||||
|
// mask for getting N number of bits (0-8)
|
||||||
|
var BITMASK = [0, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF ];
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This bit stream peeks and consumes bits out of a binary stream.
|
||||||
|
*
|
||||||
|
* @param {ArrayBuffer} ab An ArrayBuffer object or a Uint8Array.
|
||||||
|
* @param {boolean} rtl Whether the stream reads bits from the byte starting
|
||||||
|
* from bit 7 to 0 (true) or bit 0 to 7 (false).
|
||||||
|
* @param {Number} optOffset The offset into the ArrayBuffer
|
||||||
|
* @param {Number} optLength The length of this BitStream
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream = function(ab, rtl, optOffset, optLength) {
|
||||||
|
if (!ab || !ab.toString || ab.toString() !== "[object ArrayBuffer]") {
|
||||||
|
throw "Error! BitArray constructed with an invalid ArrayBuffer object";
|
||||||
|
}
|
||||||
|
|
||||||
|
var offset = optOffset || 0;
|
||||||
|
var length = optLength || ab.byteLength;
|
||||||
|
this.bytes = new Uint8Array(ab, offset, length);
|
||||||
|
this.bytePtr = 0; // tracks which byte we are on
|
||||||
|
this.bitPtr = 0; // tracks which bit we are on (can have values 0 through 7)
|
||||||
|
this.peekBits = rtl ? this.peekBitsRtl : this.peekBitsLtr;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* byte0 byte1 byte2 byte3
|
||||||
|
* 7......0 | 7......0 | 7......0 | 7......0
|
||||||
|
*
|
||||||
|
* The bit pointer starts at bit0 of byte0 and moves left until it reaches
|
||||||
|
* bit7 of byte0, then jumps to bit0 of byte1, etc.
|
||||||
|
* @param {number} n The number of bits to peek.
|
||||||
|
* @param {boolean=} movePointers Whether to move the pointer, defaults false.
|
||||||
|
* @return {number} The peeked bits, as an unsigned number.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.peekBitsLtr = function(n, movePointers) {
|
||||||
|
if (n <= 0 || typeof n !== typeof 1) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
var movePointers = movePointers || false;
|
||||||
|
var bytePtr = this.bytePtr;
|
||||||
|
var bitPtr = this.bitPtr;
|
||||||
|
var result = 0;
|
||||||
|
var bitsIn = 0;
|
||||||
|
var bytes = this.bytes;
|
||||||
|
|
||||||
|
// keep going until we have no more bits left to peek at
|
||||||
|
// TODO: Consider putting all bits from bytes we will need into a variable and then
|
||||||
|
// shifting/masking it to just extract the bits we want.
|
||||||
|
// This could be considerably faster when reading more than 3 or 4 bits at a time.
|
||||||
|
while (n > 0) {
|
||||||
|
if (bytePtr >= bytes.length) {
|
||||||
|
throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" +
|
||||||
|
bytes.length + ", bitPtr=" + bitPtr;
|
||||||
|
}
|
||||||
|
|
||||||
|
var numBitsLeftInThisByte = (8 - bitPtr);
|
||||||
|
var mask;
|
||||||
|
if (n >= numBitsLeftInThisByte) {
|
||||||
|
mask = (BITMASK[numBitsLeftInThisByte] << bitPtr);
|
||||||
|
result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn);
|
||||||
|
|
||||||
|
bytePtr++;
|
||||||
|
bitPtr = 0;
|
||||||
|
bitsIn += numBitsLeftInThisByte;
|
||||||
|
n -= numBitsLeftInThisByte;
|
||||||
|
} else {
|
||||||
|
mask = (BITMASK[n] << bitPtr);
|
||||||
|
result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn);
|
||||||
|
|
||||||
|
bitPtr += n;
|
||||||
|
bitsIn += n;
|
||||||
|
n = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (movePointers) {
|
||||||
|
this.bitPtr = bitPtr;
|
||||||
|
this.bytePtr = bytePtr;
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* byte0 byte1 byte2 byte3
|
||||||
|
* 7......0 | 7......0 | 7......0 | 7......0
|
||||||
|
*
|
||||||
|
* The bit pointer starts at bit7 of byte0 and moves right until it reaches
|
||||||
|
* bit0 of byte0, then goes to bit7 of byte1, etc.
|
||||||
|
* @param {number} n The number of bits to peek.
|
||||||
|
* @param {boolean=} movePointers Whether to move the pointer, defaults false.
|
||||||
|
* @return {number} The peeked bits, as an unsigned number.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.peekBitsRtl = function(n, movePointers) {
|
||||||
|
if (n <= 0 || typeof n != typeof 1) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
var movePointers = movePointers || false;
|
||||||
|
var bytePtr = this.bytePtr;
|
||||||
|
var bitPtr = this.bitPtr;
|
||||||
|
var result = 0;
|
||||||
|
var bytes = this.bytes;
|
||||||
|
|
||||||
|
// keep going until we have no more bits left to peek at
|
||||||
|
// TODO: Consider putting all bits from bytes we will need into a variable and then
|
||||||
|
// shifting/masking it to just extract the bits we want.
|
||||||
|
// This could be considerably faster when reading more than 3 or 4 bits at a time.
|
||||||
|
while (n > 0) {
|
||||||
|
|
||||||
|
if (bytePtr >= bytes.length) {
|
||||||
|
throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" +
|
||||||
|
bytes.length + ", bitPtr=" + bitPtr;
|
||||||
|
// return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
var numBitsLeftInThisByte = (8 - bitPtr);
|
||||||
|
if (n >= numBitsLeftInThisByte) {
|
||||||
|
result <<= numBitsLeftInThisByte;
|
||||||
|
result |= (BITMASK[numBitsLeftInThisByte] & bytes[bytePtr]);
|
||||||
|
bytePtr++;
|
||||||
|
bitPtr = 0;
|
||||||
|
n -= numBitsLeftInThisByte;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
result <<= n;
|
||||||
|
result |= ((bytes[bytePtr] & (BITMASK[n] << (8 - n - bitPtr))) >> (8 - n - bitPtr));
|
||||||
|
|
||||||
|
bitPtr += n;
|
||||||
|
n = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (movePointers) {
|
||||||
|
this.bitPtr = bitPtr;
|
||||||
|
this.bytePtr = bytePtr;
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Some voodoo magic.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.getBits = function() {
|
||||||
|
return (((((this.bytes[this.bytePtr] & 0xff) << 16) +
|
||||||
|
((this.bytes[this.bytePtr + 1] & 0xff) << 8) +
|
||||||
|
((this.bytes[this.bytePtr + 2] & 0xff))) >>> (8 - this.bitPtr)) & 0xffff);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Reads n bits out of the stream, consuming them (moving the bit pointer).
|
||||||
|
* @param {number} n The number of bits to read.
|
||||||
|
* @return {number} The read bits, as an unsigned number.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.readBits = function(n) {
|
||||||
|
return this.peekBits(n, true);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This returns n bytes as a sub-array, advancing the pointer if movePointers
|
||||||
|
* is true. Only use this for uncompressed blocks as this throws away remaining
|
||||||
|
* bits in the current byte.
|
||||||
|
* @param {number} n The number of bytes to peek.
|
||||||
|
* @param {boolean=} movePointers Whether to move the pointer, defaults false.
|
||||||
|
* @return {Uint8Array} The subarray.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.peekBytes = function(n, movePointers) {
|
||||||
|
if (n <= 0 || typeof n != typeof 1) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// from http://tools.ietf.org/html/rfc1951#page-11
|
||||||
|
// "Any bits of input up to the next byte boundary are ignored."
|
||||||
|
while (this.bitPtr !== 0) {
|
||||||
|
this.readBits(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
movePointers = movePointers || false;
|
||||||
|
var bytePtr = this.bytePtr;
|
||||||
|
// var bitPtr = this.bitPtr;
|
||||||
|
|
||||||
|
var result = this.bytes.subarray(bytePtr, bytePtr + n);
|
||||||
|
|
||||||
|
if (movePointers) {
|
||||||
|
this.bytePtr += n;
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {Uint8Array} The subarray.
|
||||||
|
*/
|
||||||
|
bitjs.io.BitStream.prototype.readBytes = function(n) {
|
||||||
|
return this.peekBytes(n, true);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This object allows you to peek and consume bytes as numbers and strings
|
||||||
|
* out of an ArrayBuffer. In this buffer, everything must be byte-aligned.
|
||||||
|
*
|
||||||
|
* @param {ArrayBuffer} ab The ArrayBuffer object.
|
||||||
|
* @param {number=} optOffset The offset into the ArrayBuffer
|
||||||
|
* @param {number=} optLength The length of this BitStream
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream = function(ab, optOffset, optLength) {
|
||||||
|
var offset = optOffset || 0;
|
||||||
|
var length = optLength || ab.byteLength;
|
||||||
|
this.bytes = new Uint8Array(ab, offset, length);
|
||||||
|
this.ptr = 0;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Peeks at the next n bytes as an unsigned number but does not advance the
|
||||||
|
* pointer
|
||||||
|
* TODO: This apparently cannot read more than 4 bytes as a number?
|
||||||
|
* @param {number} n The number of bytes to peek at.
|
||||||
|
* @return {number} The n bytes interpreted as an unsigned number.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.peekNumber = function(n) {
|
||||||
|
// TODO: return error if n would go past the end of the stream?
|
||||||
|
if (n <= 0 || typeof n !== typeof 1) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
var result = 0;
|
||||||
|
// read from last byte to first byte and roll them in
|
||||||
|
var curByte = this.ptr + n - 1;
|
||||||
|
while (curByte >= this.ptr) {
|
||||||
|
result <<= 8;
|
||||||
|
result |= this.bytes[curByte];
|
||||||
|
--curByte;
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the next n bytes as an unsigned number (or -1 on error)
|
||||||
|
* and advances the stream pointer n bytes.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {number} The n bytes interpreted as an unsigned number.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.readNumber = function(n) {
|
||||||
|
var num = this.peekNumber( n );
|
||||||
|
this.ptr += n;
|
||||||
|
return num;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the next n bytes as a signed number but does not advance the
|
||||||
|
* pointer.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {number} The bytes interpreted as a signed number.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.peekSignedNumber = function(n) {
|
||||||
|
var num = this.peekNumber(n);
|
||||||
|
var HALF = Math.pow(2, (n * 8) - 1);
|
||||||
|
var FULL = HALF * 2;
|
||||||
|
|
||||||
|
if (num >= HALF) num -= FULL;
|
||||||
|
|
||||||
|
return num;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the next n bytes as a signed number and advances the stream pointer.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {number} The bytes interpreted as a signed number.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.readSignedNumber = function(n) {
|
||||||
|
var num = this.peekSignedNumber(n);
|
||||||
|
this.ptr += n;
|
||||||
|
return num;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This returns n bytes as a sub-array, advancing the pointer if movePointers
|
||||||
|
* is true.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @param {boolean} movePointers Whether to move the pointers.
|
||||||
|
* @return {Uint8Array} The subarray.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.peekBytes = function(n, movePointers) {
|
||||||
|
if (n <= 0 || typeof n != typeof 1) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
var result = this.bytes.subarray(this.ptr, this.ptr + n);
|
||||||
|
|
||||||
|
if (movePointers) {
|
||||||
|
this.ptr += n;
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Reads the next n bytes as a sub-array.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {Uint8Array} The subarray.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.readBytes = function(n) {
|
||||||
|
return this.peekBytes(n, true);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Peeks at the next n bytes as a string but does not advance the pointer.
|
||||||
|
* @param {number} n The number of bytes to peek at.
|
||||||
|
* @return {string} The next n bytes as a string.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.peekString = function(n) {
|
||||||
|
if (n <= 0 || typeof n != typeof 1) {
|
||||||
|
return "";
|
||||||
|
}
|
||||||
|
|
||||||
|
var result = "";
|
||||||
|
for (var p = this.ptr, end = this.ptr + n; p < end; ++p) {
|
||||||
|
result += String.fromCharCode(this.bytes[p]);
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the next n bytes as an ASCII string and advances the stream pointer
|
||||||
|
* n bytes.
|
||||||
|
* @param {number} n The number of bytes to read.
|
||||||
|
* @return {string} The next n bytes as a string.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteStream.prototype.readString = function(n) {
|
||||||
|
var strToReturn = this.peekString(n);
|
||||||
|
this.ptr += n;
|
||||||
|
return strToReturn;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A write-only Byte buffer which uses a Uint8 Typed Array as a backing store.
|
||||||
|
* @param {number} numBytes The number of bytes to allocate.
|
||||||
|
* @constructor
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer = function(numBytes) {
|
||||||
|
if (typeof numBytes !== typeof 1 || numBytes <= 0) {
|
||||||
|
throw "Error! ByteBuffer initialized with '" + numBytes + "'";
|
||||||
|
}
|
||||||
|
this.data = new Uint8Array(numBytes);
|
||||||
|
this.ptr = 0;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {number} b The byte to insert.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer.prototype.insertByte = function(b) {
|
||||||
|
// TODO: throw if byte is invalid?
|
||||||
|
this.data[this.ptr++] = b;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {Array.<number>|Uint8Array|Int8Array} bytes The bytes to insert.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer.prototype.insertBytes = function(bytes) {
|
||||||
|
// TODO: throw if bytes is invalid?
|
||||||
|
this.data.set(bytes, this.ptr);
|
||||||
|
this.ptr += bytes.length;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Writes an unsigned number into the next n bytes. If the number is too large
|
||||||
|
* to fit into n bytes or is negative, an error is thrown.
|
||||||
|
* @param {number} num The unsigned number to write.
|
||||||
|
* @param {number} numBytes The number of bytes to write the number into.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer.prototype.writeNumber = function(num, numBytes) {
|
||||||
|
if (numBytes < 1) {
|
||||||
|
throw "Trying to write into too few bytes: " + numBytes;
|
||||||
|
}
|
||||||
|
if (num < 0) {
|
||||||
|
throw "Trying to write a negative number (" + num +
|
||||||
|
") as an unsigned number to an ArrayBuffer";
|
||||||
|
}
|
||||||
|
if (num > (Math.pow(2, numBytes * 8) - 1)) {
|
||||||
|
throw "Trying to write " + num + " into only " + numBytes + " bytes";
|
||||||
|
}
|
||||||
|
|
||||||
|
// Roll 8-bits at a time into an array of bytes.
|
||||||
|
var bytes = [];
|
||||||
|
while (numBytes-- > 0) {
|
||||||
|
var eightBits = num & 255;
|
||||||
|
bytes.push(eightBits);
|
||||||
|
num >>= 8;
|
||||||
|
}
|
||||||
|
|
||||||
|
this.insertBytes(bytes);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Writes a signed number into the next n bytes. If the number is too large
|
||||||
|
* to fit into n bytes, an error is thrown.
|
||||||
|
* @param {number} num The signed number to write.
|
||||||
|
* @param {number} numBytes The number of bytes to write the number into.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer.prototype.writeSignedNumber = function(num, numBytes) {
|
||||||
|
if (numBytes < 1) {
|
||||||
|
throw "Trying to write into too few bytes: " + numBytes;
|
||||||
|
}
|
||||||
|
|
||||||
|
var HALF = Math.pow(2, (numBytes * 8) - 1);
|
||||||
|
if (num >= HALF || num < -HALF) {
|
||||||
|
throw "Trying to write " + num + " into only " + numBytes + " bytes";
|
||||||
|
}
|
||||||
|
|
||||||
|
// Roll 8-bits at a time into an array of bytes.
|
||||||
|
var bytes = [];
|
||||||
|
while (numBytes-- > 0) {
|
||||||
|
var eightBits = num & 255;
|
||||||
|
bytes.push(eightBits);
|
||||||
|
num >>= 8;
|
||||||
|
}
|
||||||
|
|
||||||
|
this.insertBytes(bytes);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {string} str The ASCII string to write.
|
||||||
|
*/
|
||||||
|
bitjs.io.ByteBuffer.prototype.writeASCIIString = function(str) {
|
||||||
|
for (var i = 0; i < str.length; ++i) {
|
||||||
|
var curByte = str.charCodeAt(i);
|
||||||
|
if (curByte < 0 || curByte > 255) {
|
||||||
|
throw "Trying to write a non-ASCII string!";
|
||||||
|
}
|
||||||
|
this.insertByte(curByte);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
})();
|
@ -0,0 +1,592 @@
|
|||||||
|
/*
|
||||||
|
* kthoom.js
|
||||||
|
*
|
||||||
|
* Licensed under the MIT License
|
||||||
|
*
|
||||||
|
* Copyright(c) 2011 Google Inc.
|
||||||
|
* Copyright(c) 2011 antimatter15
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Reference Documentation:
|
||||||
|
|
||||||
|
* Web Workers: http://www.whatwg.org/specs/web-workers/current-work/
|
||||||
|
* Web Workers in Mozilla: https://developer.mozilla.org/En/Using_web_workers
|
||||||
|
* File API (FileReader): http://www.w3.org/TR/FileAPI/
|
||||||
|
* Typed Arrays: http://www.khronos.org/registry/typedarray/specs/latest/#6
|
||||||
|
|
||||||
|
*/
|
||||||
|
/* global bitjs */
|
||||||
|
|
||||||
|
if (window.opera) {
|
||||||
|
window.console.log = function(str) {
|
||||||
|
opera.postError(str);
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
var kthoom;
|
||||||
|
|
||||||
|
// gets the element with the given id
|
||||||
|
function getElem(id) {
|
||||||
|
if (document.documentElement.querySelector) {
|
||||||
|
// querySelector lookup
|
||||||
|
return document.body.querySelector("#" + id);
|
||||||
|
}
|
||||||
|
// getElementById lookup
|
||||||
|
return document.getElementById(id);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (window.kthoom === undefined) {
|
||||||
|
kthoom = {};
|
||||||
|
}
|
||||||
|
|
||||||
|
// key codes
|
||||||
|
kthoom.Key = {
|
||||||
|
ESCAPE: 27,
|
||||||
|
LEFT: 37,
|
||||||
|
UP: 38,
|
||||||
|
RIGHT: 39,
|
||||||
|
DOWN: 40,
|
||||||
|
A: 65, B: 66, C: 67, D: 68, E: 69, F: 70, G: 71, H: 72, I: 73, J: 74, K: 75, L: 76, M: 77,
|
||||||
|
N: 78, O: 79, P: 80, Q: 81, R: 82, S: 83, T: 84, U: 85, V: 86, W: 87, X: 88, Y: 89, Z: 90,
|
||||||
|
QUESTION_MARK: 191,
|
||||||
|
LEFT_SQUARE_BRACKET: 219,
|
||||||
|
RIGHT_SQUARE_BRACKET: 221
|
||||||
|
};
|
||||||
|
|
||||||
|
// The rotation orientation of the comic.
|
||||||
|
kthoom.rotateTimes = 0;
|
||||||
|
|
||||||
|
// global variables
|
||||||
|
var unarchiver = null;
|
||||||
|
var currentImage = 0;
|
||||||
|
var imageFiles = [];
|
||||||
|
var imageFilenames = [];
|
||||||
|
var totalImages = 0;
|
||||||
|
var lastCompletion = 0;
|
||||||
|
|
||||||
|
var hflip = false, vflip = false, fitMode = kthoom.Key.B;
|
||||||
|
var canKeyNext = true, canKeyPrev = true;
|
||||||
|
|
||||||
|
kthoom.saveSettings = function() {
|
||||||
|
localStorage.kthoomSettings = JSON.stringify({
|
||||||
|
rotateTimes: kthoom.rotateTimes,
|
||||||
|
hflip: hflip,
|
||||||
|
vflip: vflip,
|
||||||
|
fitMode: fitMode
|
||||||
|
});
|
||||||
|
};
|
||||||
|
|
||||||
|
kthoom.loadSettings = function() {
|
||||||
|
try {
|
||||||
|
if (localStorage.kthoomSettings.length < 10){
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
var s = JSON.parse(localStorage.kthoomSettings);
|
||||||
|
kthoom.rotateTimes = s.rotateTimes;
|
||||||
|
hflip = s.hflip;
|
||||||
|
vflip = s.vflip;
|
||||||
|
fitMode = s.fitMode;
|
||||||
|
} catch (err) {
|
||||||
|
alert("Error load settings");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
var createURLFromArray = function(array, mimeType) {
|
||||||
|
var offset = array.byteOffset, len = array.byteLength;
|
||||||
|
var url;
|
||||||
|
var blob;
|
||||||
|
|
||||||
|
// TODO: Move all this browser support testing to a common place
|
||||||
|
// and do it just once.
|
||||||
|
|
||||||
|
// Blob constructor, see http://dev.w3.org/2006/webapi/FileAPI/#dfn-Blob.
|
||||||
|
if (typeof Blob === "function") {
|
||||||
|
blob = new Blob([array], {type: mimeType});
|
||||||
|
} else {
|
||||||
|
throw "Browser support for Blobs is missing.";
|
||||||
|
}
|
||||||
|
|
||||||
|
if (blob.slice) {
|
||||||
|
blob = blob.slice(offset, offset + len, mimeType);
|
||||||
|
} else {
|
||||||
|
throw "Browser support for Blobs is missing.";
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((typeof URL !== "function" && typeof URL !== "object") ||
|
||||||
|
typeof URL.createObjectURL !== "function") {
|
||||||
|
throw "Browser support for Object URLs is missing";
|
||||||
|
}
|
||||||
|
|
||||||
|
return URL.createObjectURL(blob);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// Stores an image filename and its data: URI.
|
||||||
|
// TODO: investigate if we really need to store as base64 (leave off ;base64 and just
|
||||||
|
// non-safe URL characters are encoded as %xx ?)
|
||||||
|
// This would save 25% on memory since base64-encoded strings are 4/3 the size of the binary
|
||||||
|
kthoom.ImageFile = function(file) {
|
||||||
|
this.filename = file.filename;
|
||||||
|
var fileExtension = file.filename.split(".").pop().toLowerCase();
|
||||||
|
var mimeType = fileExtension === "png" ? "image/png" :
|
||||||
|
(fileExtension === "jpg" || fileExtension === "jpeg") ? "image/jpeg" :
|
||||||
|
fileExtension === "gif" ? "image/gif" : null;
|
||||||
|
this.dataURI = createURLFromArray(file.fileData, mimeType);
|
||||||
|
this.data = file;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
kthoom.initProgressMeter = function() {
|
||||||
|
var svgns = "http://www.w3.org/2000/svg";
|
||||||
|
var pdiv = $("#progress")[0];
|
||||||
|
var svg = document.createElementNS(svgns, "svg");
|
||||||
|
svg.style.width = "100%";
|
||||||
|
svg.style.height = "100%";
|
||||||
|
|
||||||
|
var defs = document.createElementNS(svgns, "defs");
|
||||||
|
|
||||||
|
var patt = document.createElementNS(svgns, "pattern");
|
||||||
|
patt.id = "progress_pattern";
|
||||||
|
patt.setAttribute("width", "30");
|
||||||
|
patt.setAttribute("height", "20");
|
||||||
|
patt.setAttribute("patternUnits", "userSpaceOnUse");
|
||||||
|
|
||||||
|
var rect = document.createElementNS(svgns, "rect");
|
||||||
|
rect.setAttribute("width", "100%");
|
||||||
|
rect.setAttribute("height", "100%");
|
||||||
|
rect.setAttribute("fill", "#cc2929");
|
||||||
|
|
||||||
|
var poly = document.createElementNS(svgns, "polygon");
|
||||||
|
poly.setAttribute("fill", "yellow");
|
||||||
|
poly.setAttribute("points", "15,0 30,0 15,20 0,20");
|
||||||
|
|
||||||
|
patt.appendChild(rect);
|
||||||
|
patt.appendChild(poly);
|
||||||
|
defs.appendChild(patt);
|
||||||
|
|
||||||
|
svg.appendChild(defs);
|
||||||
|
|
||||||
|
var g = document.createElementNS(svgns, "g");
|
||||||
|
|
||||||
|
var outline = document.createElementNS(svgns, "rect");
|
||||||
|
outline.setAttribute("y", "1");
|
||||||
|
outline.setAttribute("width", "100%");
|
||||||
|
outline.setAttribute("height", "15");
|
||||||
|
outline.setAttribute("fill", "#777");
|
||||||
|
outline.setAttribute("stroke", "white");
|
||||||
|
outline.setAttribute("rx", "5");
|
||||||
|
outline.setAttribute("ry", "5");
|
||||||
|
g.appendChild(outline);
|
||||||
|
|
||||||
|
var title = document.createElementNS(svgns, "text");
|
||||||
|
title.id = "progress_title";
|
||||||
|
title.appendChild(document.createTextNode("0%"));
|
||||||
|
title.setAttribute("y", "13");
|
||||||
|
title.setAttribute("x", "99.5%");
|
||||||
|
title.setAttribute("fill", "white");
|
||||||
|
title.setAttribute("font-size", "12px");
|
||||||
|
title.setAttribute("text-anchor", "end");
|
||||||
|
g.appendChild(title);
|
||||||
|
|
||||||
|
var meter = document.createElementNS(svgns, "rect");
|
||||||
|
meter.id = "meter";
|
||||||
|
meter.setAttribute("width", "0%");
|
||||||
|
meter.setAttribute("height", "17");
|
||||||
|
meter.setAttribute("fill", "url(#progress_pattern)");
|
||||||
|
meter.setAttribute("rx", "5");
|
||||||
|
meter.setAttribute("ry", "5");
|
||||||
|
|
||||||
|
var meter2 = document.createElementNS(svgns, "rect");
|
||||||
|
meter2.id = "meter2";
|
||||||
|
meter2.setAttribute("width", "0%");
|
||||||
|
meter2.setAttribute("height", "17");
|
||||||
|
meter2.setAttribute("opacity", "0.8");
|
||||||
|
meter2.setAttribute("fill", "#007fff");
|
||||||
|
meter2.setAttribute("rx", "5");
|
||||||
|
meter2.setAttribute("ry", "5");
|
||||||
|
|
||||||
|
g.appendChild(meter);
|
||||||
|
g.appendChild(meter2);
|
||||||
|
|
||||||
|
var page = document.createElementNS(svgns, "text");
|
||||||
|
page.id = "page";
|
||||||
|
page.appendChild(document.createTextNode("0/0"));
|
||||||
|
page.setAttribute("y", "13");
|
||||||
|
page.setAttribute("x", "0.5%");
|
||||||
|
page.setAttribute("fill", "white");
|
||||||
|
page.setAttribute("font-size", "12px");
|
||||||
|
g.appendChild(page);
|
||||||
|
|
||||||
|
|
||||||
|
svg.appendChild(g);
|
||||||
|
pdiv.appendChild(svg);
|
||||||
|
var l;
|
||||||
|
svg.onclick = function(e) {
|
||||||
|
for (var x = pdiv, l = 0; x !== document.documentElement; x = x.parentNode) l += x.offsetLeft;
|
||||||
|
var page = Math.max(1, Math.ceil(((e.clientX - l) / pdiv.offsetWidth) * totalImages)) - 1;
|
||||||
|
currentImage = page;
|
||||||
|
updatePage();
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
kthoom.setProgressMeter = function(pct, optLabel) {
|
||||||
|
pct = (pct * 100);
|
||||||
|
var part = 1 / totalImages;
|
||||||
|
var remain = ((pct - lastCompletion) / 100) / part;
|
||||||
|
var fract = Math.min(1, remain);
|
||||||
|
var smartpct = ((imageFiles.length / totalImages) + (fract * part)) * 100;
|
||||||
|
if (totalImages === 0) smartpct = pct;
|
||||||
|
|
||||||
|
// + Math.min((pct - lastCompletion), 100/totalImages * 0.9 + (pct - lastCompletion - 100/totalImages)/2, 100/totalImages);
|
||||||
|
var oldval = parseFloat(getElem("meter").getAttribute("width"));
|
||||||
|
if (isNaN(oldval)) oldval = 0;
|
||||||
|
var weight = 0.5;
|
||||||
|
smartpct = ((weight * smartpct) + ((1 - weight) * oldval));
|
||||||
|
if (pct === 100) smartpct = 100;
|
||||||
|
|
||||||
|
if (!isNaN(smartpct)) {
|
||||||
|
getElem("meter").setAttribute("width", smartpct + "%");
|
||||||
|
}
|
||||||
|
var title = getElem("progress_title");
|
||||||
|
while (title.firstChild) title.removeChild(title.firstChild);
|
||||||
|
|
||||||
|
var labelText = pct.toFixed(2) + "% " + imageFiles.length + "/" + totalImages + "";
|
||||||
|
if (optLabel) {
|
||||||
|
labelText = optLabel + " " + labelText;
|
||||||
|
}
|
||||||
|
title.appendChild(document.createTextNode(labelText));
|
||||||
|
|
||||||
|
getElem("meter2").setAttribute("width",
|
||||||
|
100 * (totalImages === 0 ? 0 : ((currentImage + 1) / totalImages)) + "%");
|
||||||
|
|
||||||
|
var titlePage = getElem("page");
|
||||||
|
while (titlePage.firstChild) titlePage.removeChild(titlePage.firstChild);
|
||||||
|
titlePage.appendChild(document.createTextNode( (currentImage + 1) + "/" + totalImages ));
|
||||||
|
|
||||||
|
if (pct > 0) {
|
||||||
|
//getElem('nav').className = '';
|
||||||
|
getElem("progress").className = "";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function loadFromArrayBuffer(ab) {
|
||||||
|
var start = (new Date).getTime();
|
||||||
|
var h = new Uint8Array(ab, 0, 10);
|
||||||
|
var pathToBitJS = "../../static/js/";
|
||||||
|
if (h[0] === 0x52 && h[1] === 0x61 && h[2] === 0x72 && h[3] === 0x21) { //Rar!
|
||||||
|
unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS);
|
||||||
|
} else if (h[0] === 80 && h[1] === 75) { //PK (Zip)
|
||||||
|
unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS);
|
||||||
|
} else { // Try with tar
|
||||||
|
unarchiver = new bitjs.archive.Untarrer(ab, pathToBitJS);
|
||||||
|
}
|
||||||
|
// Listen for UnarchiveEvents.
|
||||||
|
if (unarchiver) {
|
||||||
|
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.PROGRESS,
|
||||||
|
function(e) {
|
||||||
|
var percentage = e.currentBytesUnarchived / e.totalUncompressedBytesInArchive;
|
||||||
|
totalImages = e.totalFilesInArchive;
|
||||||
|
kthoom.setProgressMeter(percentage, "Unzipping");
|
||||||
|
// display nav
|
||||||
|
lastCompletion = percentage * 100;
|
||||||
|
});
|
||||||
|
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.EXTRACT,
|
||||||
|
function(e) {
|
||||||
|
// convert DecompressedFile into a bunch of ImageFiles
|
||||||
|
if (e.unarchivedFile) {
|
||||||
|
var f = e.unarchivedFile;
|
||||||
|
// add any new pages based on the filename
|
||||||
|
if (imageFilenames.indexOf(f.filename) === -1) {
|
||||||
|
imageFilenames.push(f.filename);
|
||||||
|
imageFiles.push(new kthoom.ImageFile(f));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// display first page if we haven't yet
|
||||||
|
if (imageFiles.length === currentImage + 1) {
|
||||||
|
updatePage();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.FINISH,
|
||||||
|
function() {
|
||||||
|
var diff = ((new Date).getTime() - start) / 1000;
|
||||||
|
console.log("Unarchiving done in " + diff + "s");
|
||||||
|
});
|
||||||
|
unarchiver.start();
|
||||||
|
} else {
|
||||||
|
alert("Some error");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function updatePage() {
|
||||||
|
var title = getElem("page");
|
||||||
|
while (title.firstChild) title.removeChild(title.firstChild);
|
||||||
|
title.appendChild(document.createTextNode( (currentImage + 1 ) + "/" + totalImages ));
|
||||||
|
|
||||||
|
getElem("meter2").setAttribute("width",
|
||||||
|
100 * (totalImages === 0 ? 0 : ((currentImage + 1 ) / totalImages)) + "%");
|
||||||
|
if (imageFiles[currentImage]) {
|
||||||
|
setImage(imageFiles[currentImage].dataURI);
|
||||||
|
} else {
|
||||||
|
setImage("loading");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function setImage(url) {
|
||||||
|
var canvas = $("#mainImage")[0];
|
||||||
|
var x = $("#mainImage")[0].getContext("2d");
|
||||||
|
$("#mainText").hide();
|
||||||
|
if (url === "loading") {
|
||||||
|
updateScale(true);
|
||||||
|
canvas.width = innerWidth - 100;
|
||||||
|
canvas.height = 200;
|
||||||
|
x.fillStyle = "red";
|
||||||
|
x.font = "50px sans-serif";
|
||||||
|
x.strokeStyle = "black";
|
||||||
|
x.fillText("Loading Page #" + (currentImage + 1), 100, 100);
|
||||||
|
} else {
|
||||||
|
if ($("body").css("scrollHeight") / innerHeight > 1) {
|
||||||
|
$("body").css("overflowY", "scroll");
|
||||||
|
}
|
||||||
|
|
||||||
|
var img = new Image();
|
||||||
|
img.onerror = function() {
|
||||||
|
canvas.width = innerWidth - 100;
|
||||||
|
canvas.height = 300;
|
||||||
|
updateScale(true);
|
||||||
|
x.fillStyle = "orange";
|
||||||
|
x.font = "50px sans-serif";
|
||||||
|
x.strokeStyle = "black";
|
||||||
|
x.fillText("Page #" + (currentImage + 1) + " (" +
|
||||||
|
imageFiles[currentImage].filename + ")", 100, 100);
|
||||||
|
x.fillStyle = "red";
|
||||||
|
x.fillText("Is corrupt or not an image", 100, 200);
|
||||||
|
|
||||||
|
var xhr = new XMLHttpRequest();
|
||||||
|
if (/(html|htm)$/.test(imageFiles[currentImage].filename)) {
|
||||||
|
xhr.open("GET", url, true);
|
||||||
|
xhr.onload = function() {
|
||||||
|
//document.getElementById('mainText').style.display = '';
|
||||||
|
$("#mainText").css("display", "");
|
||||||
|
$("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html," + escape(xhr.responseText) + "\"></iframe>");
|
||||||
|
}
|
||||||
|
xhr.send(null);
|
||||||
|
} else if (!/(jpg|jpeg|png|gif)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10 * 1024) {
|
||||||
|
xhr.open("GET", url, true);
|
||||||
|
xhr.onload = function() {
|
||||||
|
$("#mainText").css("display", "");
|
||||||
|
$("#mainText").innerText(xhr.responseText);
|
||||||
|
};
|
||||||
|
xhr.send(null);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
img.onload = function() {
|
||||||
|
var h = img.height,
|
||||||
|
w = img.width,
|
||||||
|
sw = w,
|
||||||
|
sh = h;
|
||||||
|
kthoom.rotateTimes = (4 + kthoom.rotateTimes) % 4;
|
||||||
|
x.save();
|
||||||
|
if (kthoom.rotateTimes % 2 === 1) {
|
||||||
|
sh = w;
|
||||||
|
sw = h;
|
||||||
|
}
|
||||||
|
canvas.height = sh;
|
||||||
|
canvas.width = sw;
|
||||||
|
x.translate(sw / 2, sh / 2);
|
||||||
|
x.rotate(Math.PI / 2 * kthoom.rotateTimes);
|
||||||
|
x.translate(-w / 2, -h / 2);
|
||||||
|
if (vflip) {
|
||||||
|
x.scale(1, -1);
|
||||||
|
x.translate(0, -h);
|
||||||
|
}
|
||||||
|
if (hflip) {
|
||||||
|
x.scale(-1, 1);
|
||||||
|
x.translate(-w, 0);
|
||||||
|
}
|
||||||
|
canvas.style.display = "none";
|
||||||
|
scrollTo(0, 0);
|
||||||
|
x.drawImage(img, 0, 0);
|
||||||
|
|
||||||
|
updateScale();
|
||||||
|
|
||||||
|
canvas.style.display = "";
|
||||||
|
$("body").css("overflowY", "");
|
||||||
|
x.restore();
|
||||||
|
};
|
||||||
|
img.src = url;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function showPrevPage() {
|
||||||
|
currentImage--;
|
||||||
|
if (currentImage < 0) {
|
||||||
|
// Freeze on the current page.
|
||||||
|
currentImage++;
|
||||||
|
} else {
|
||||||
|
updatePage();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function showNextPage() {
|
||||||
|
currentImage++;
|
||||||
|
if (currentImage >= Math.max(totalImages, imageFiles.length)) {
|
||||||
|
// Freeze on the current page.
|
||||||
|
currentImage--;
|
||||||
|
} else {
|
||||||
|
updatePage();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function updateScale(clear) {
|
||||||
|
var mainImageStyle = getElem("mainImage").style;
|
||||||
|
mainImageStyle.width = "";
|
||||||
|
mainImageStyle.height = "";
|
||||||
|
mainImageStyle.maxWidth = "";
|
||||||
|
mainImageStyle.maxHeight = "";
|
||||||
|
var maxheight = innerHeight - 15;
|
||||||
|
if (!/main/.test(getElem("titlebar").className)) {
|
||||||
|
maxheight -= 25;
|
||||||
|
}
|
||||||
|
if (clear || fitMode === kthoom.Key.N) {
|
||||||
|
} else if (fitMode === kthoom.Key.B) {
|
||||||
|
mainImageStyle.maxWidth = "100%";
|
||||||
|
mainImageStyle.maxHeight = maxheight + "px";
|
||||||
|
} else if (fitMode === kthoom.Key.H) {
|
||||||
|
mainImageStyle.height = maxheight + "px";
|
||||||
|
} else if (fitMode === kthoom.Key.W) {
|
||||||
|
mainImageStyle.width = "100%";
|
||||||
|
}
|
||||||
|
kthoom.saveSettings();
|
||||||
|
}
|
||||||
|
|
||||||
|
function keyHandler(evt) {
|
||||||
|
var code = evt.keyCode;
|
||||||
|
|
||||||
|
if ($("#progress").css("display") === "none"){
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
canKeyNext = (($("body").css("offsetWidth") + $("body").css("scrollLeft")) / $("body").css("scrollWidth")) >= 1;
|
||||||
|
canKeyPrev = (scrollX <= 0);
|
||||||
|
|
||||||
|
if (evt.ctrlKey || evt.shiftKey || evt.metaKey) return;
|
||||||
|
switch (code) {
|
||||||
|
case kthoom.Key.LEFT:
|
||||||
|
if (canKeyPrev) showPrevPage();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.RIGHT:
|
||||||
|
if (canKeyNext) showNextPage();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.L:
|
||||||
|
kthoom.rotateTimes--;
|
||||||
|
if (kthoom.rotateTimes < 0) {
|
||||||
|
kthoom.rotateTimes = 3;
|
||||||
|
}
|
||||||
|
updatePage();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.R:
|
||||||
|
kthoom.rotateTimes++;
|
||||||
|
if (kthoom.rotateTimes > 3) {
|
||||||
|
kthoom.rotateTimes = 0;
|
||||||
|
}
|
||||||
|
updatePage();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.F:
|
||||||
|
if (!hflip && !vflip) {
|
||||||
|
hflip = true;
|
||||||
|
} else if (hflip === true) {
|
||||||
|
vflip = true;
|
||||||
|
hflip = false;
|
||||||
|
} else if (vflip === true) {
|
||||||
|
vflip = false;
|
||||||
|
}
|
||||||
|
updatePage();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.W:
|
||||||
|
fitMode = kthoom.Key.W;
|
||||||
|
updateScale();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.H:
|
||||||
|
fitMode = kthoom.Key.H;
|
||||||
|
updateScale();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.B:
|
||||||
|
fitMode = kthoom.Key.B;
|
||||||
|
updateScale();
|
||||||
|
break;
|
||||||
|
case kthoom.Key.N:
|
||||||
|
fitMode = kthoom.Key.N;
|
||||||
|
updateScale();
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
//console.log('KeyCode = ' + code);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function init(filename) {
|
||||||
|
if (!window.FileReader) {
|
||||||
|
alert("Sorry, kthoom will not work with your browser because it does not support the File API. Please try kthoom with Chrome 12+ or Firefox 7+");
|
||||||
|
} else {
|
||||||
|
var request = new XMLHttpRequest();
|
||||||
|
request.open("GET", filename);
|
||||||
|
request.responseType = "arraybuffer";
|
||||||
|
request.setRequestHeader("X-Test", "test1");
|
||||||
|
request.setRequestHeader("X-Test", "test2");
|
||||||
|
request.addEventListener("load", function(event) {
|
||||||
|
if (request.status >= 200 && request.status < 300) {
|
||||||
|
loadFromArrayBuffer(request.response);
|
||||||
|
} else {
|
||||||
|
console.warn(request.statusText, request.responseText);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
request.send();
|
||||||
|
kthoom.initProgressMeter();
|
||||||
|
document.body.className += /AppleWebKit/.test(navigator.userAgent) ? " webkit" : "";
|
||||||
|
updateScale(true);
|
||||||
|
kthoom.loadSettings();
|
||||||
|
$(document).keydown(keyHandler);
|
||||||
|
|
||||||
|
$(window).resize(function() {
|
||||||
|
var f = (screen.width - innerWidth < 4 && screen.height - innerHeight < 4);
|
||||||
|
getElem("titlebar").className = f ? "main" : "";
|
||||||
|
updateScale();
|
||||||
|
});
|
||||||
|
|
||||||
|
$("#mainImage").click(function(evt) {
|
||||||
|
// Firefox does not support offsetX/Y so we have to manually calculate
|
||||||
|
// where the user clicked in the image.
|
||||||
|
var mainContentWidth = $("#mainContent").width();
|
||||||
|
var mainContentHeight = $("#mainContent").height();
|
||||||
|
var comicWidth = evt.target.clientWidth;
|
||||||
|
var comicHeight = evt.target.clientHeight;
|
||||||
|
var offsetX = (mainContentWidth - comicWidth) / 2;
|
||||||
|
var offsetY = (mainContentHeight - comicHeight) / 2;
|
||||||
|
var clickX = !!evt.offsetX ? evt.offsetX : (evt.clientX - offsetX);
|
||||||
|
var clickY = !!evt.offsetY ? evt.offsetY : (evt.clientY - offsetY);
|
||||||
|
|
||||||
|
// Determine if the user clicked/tapped the left side or the
|
||||||
|
// right side of the page.
|
||||||
|
var clickedPrev = false;
|
||||||
|
switch (kthoom.rotateTimes) {
|
||||||
|
case 0:
|
||||||
|
clickedPrev = clickX < (comicWidth / 2);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
clickedPrev = clickY < (comicHeight / 2);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
clickedPrev = clickX > (comicWidth / 2);
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
clickedPrev = clickY > (comicHeight / 2);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (clickedPrev) {
|
||||||
|
showPrevPage();
|
||||||
|
} else {
|
||||||
|
showNextPage();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
@ -0,0 +1 @@
|
|||||||
|
!function(a){a.fn.datepicker.dates.it={days:["Domenica","Lunedì","Martedì","Mercoledì","Giovedì","Venerdì","Sabato"],daysShort:["Dom","Lun","Mar","Mer","Gio","Ven","Sab"],daysMin:["Do","Lu","Ma","Me","Gi","Ve","Sa"],months:["Gennaio","Febbraio","Marzo","Aprile","Maggio","Giugno","Luglio","Agosto","Settembre","Ottobre","Novembre","Dicembre"],monthsShort:["Gen","Feb","Mar","Apr","Mag","Giu","Lug","Ago","Set","Ott","Nov","Dic"],today:"Oggi",monthsTitle:"Mesi",clear:"Cancella",weekStart:1,format:"dd/mm/yyyy"}}(jQuery);
|
@ -0,0 +1,43 @@
|
|||||||
|
/* global $, calibre, EPUBJS, ePubReader */
|
||||||
|
|
||||||
|
(function() {
|
||||||
|
"use strict";
|
||||||
|
|
||||||
|
EPUBJS.filePath = calibre.filePath;
|
||||||
|
EPUBJS.cssPath = calibre.cssPath;
|
||||||
|
|
||||||
|
var reader = ePubReader(calibre.bookUrl, {
|
||||||
|
restore: true,
|
||||||
|
bookmarks: calibre.bookmark ? [calibre.bookmark] : []
|
||||||
|
});
|
||||||
|
|
||||||
|
if (calibre.useBookmarks) {
|
||||||
|
reader.on("reader:bookmarked", updateBookmark.bind(reader, "add"));
|
||||||
|
reader.on("reader:unbookmarked", updateBookmark.bind(reader, "remove"));
|
||||||
|
} else {
|
||||||
|
$("#bookmark, #show-Bookmarks").remove();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {string} action - Add or remove bookmark
|
||||||
|
* @param {string|int} location - Location or zero
|
||||||
|
*/
|
||||||
|
function updateBookmark(action, location) {
|
||||||
|
// Remove other bookmarks (there can only be one)
|
||||||
|
if (action === "add") {
|
||||||
|
this.settings.bookmarks.filter(function (bookmark) {
|
||||||
|
return bookmark && bookmark !== location;
|
||||||
|
}).map(function (bookmark) {
|
||||||
|
this.removeBookmark(bookmark);
|
||||||
|
}.bind(this));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Save to database
|
||||||
|
$.ajax(calibre.bookmarkUrl, {
|
||||||
|
method: "post",
|
||||||
|
data: { bookmark: location || "" }
|
||||||
|
}).fail(function (xhr, status, error) {
|
||||||
|
alert(error);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
})();
|
@ -0,0 +1,891 @@
|
|||||||
|
/**
|
||||||
|
* unrar.js
|
||||||
|
*
|
||||||
|
* Copyright(c) 2011 Google Inc.
|
||||||
|
* Copyright(c) 2011 antimatter15
|
||||||
|
*
|
||||||
|
* Reference Documentation:
|
||||||
|
*
|
||||||
|
* http://kthoom.googlecode.com/hg/docs/unrar.html
|
||||||
|
*/
|
||||||
|
/* global bitjs, importScripts */
|
||||||
|
|
||||||
|
// This file expects to be invoked as a Worker (see onmessage below).
|
||||||
|
importScripts("io.js");
|
||||||
|
importScripts("archive.js");
|
||||||
|
|
||||||
|
// Progress variables.
|
||||||
|
var currentFilename = "";
|
||||||
|
var currentFileNumber = 0;
|
||||||
|
var currentBytesUnarchivedInFile = 0;
|
||||||
|
var currentBytesUnarchived = 0;
|
||||||
|
var totalUncompressedBytesInArchive = 0;
|
||||||
|
var totalFilesInArchive = 0;
|
||||||
|
|
||||||
|
// Helper functions.
|
||||||
|
var info = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveInfoEvent(str));
|
||||||
|
};
|
||||||
|
var err = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveErrorEvent(str));
|
||||||
|
};
|
||||||
|
var postProgress = function() {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveProgressEvent(
|
||||||
|
currentFilename,
|
||||||
|
currentFileNumber,
|
||||||
|
currentBytesUnarchivedInFile,
|
||||||
|
currentBytesUnarchived,
|
||||||
|
totalUncompressedBytesInArchive,
|
||||||
|
totalFilesInArchive));
|
||||||
|
};
|
||||||
|
|
||||||
|
// shows a byte value as its hex representation
|
||||||
|
var nibble = "0123456789ABCDEF";
|
||||||
|
var byteValueToHexString = function(num) {
|
||||||
|
return nibble[num>>4] + nibble[num & 0xF];
|
||||||
|
};
|
||||||
|
var twoByteValueToHexString = function(num) {
|
||||||
|
return nibble[(num>>12) & 0xF] + nibble[(num>>8) & 0xF] + nibble[(num>>4) & 0xF] + nibble[num & 0xF];
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// Volume Types
|
||||||
|
// MARK_HEAD = 0x72;
|
||||||
|
var MAIN_HEAD = 0x73,
|
||||||
|
FILE_HEAD = 0x74,
|
||||||
|
// COMM_HEAD = 0x75,
|
||||||
|
// AV_HEAD = 0x76,
|
||||||
|
// SUB_HEAD = 0x77,
|
||||||
|
// PROTECT_HEAD = 0x78,
|
||||||
|
// SIGN_HEAD = 0x79,
|
||||||
|
// NEWSUB_HEAD = 0x7a,
|
||||||
|
ENDARC_HEAD = 0x7b;
|
||||||
|
|
||||||
|
// bstream is a bit stream
|
||||||
|
var RarVolumeHeader = function(bstream) {
|
||||||
|
|
||||||
|
var headPos = bstream.bytePtr;
|
||||||
|
// byte 1,2
|
||||||
|
info("Rar Volume Header @" + bstream.bytePtr);
|
||||||
|
|
||||||
|
this.crc = bstream.readBits(16);
|
||||||
|
info(" crc=" + this.crc);
|
||||||
|
|
||||||
|
// byte 3
|
||||||
|
this.headType = bstream.readBits(8);
|
||||||
|
info(" headType=" + this.headType);
|
||||||
|
|
||||||
|
// Get flags
|
||||||
|
// bytes 4,5
|
||||||
|
this.flags = {};
|
||||||
|
this.flags.value = bstream.peekBits(16);
|
||||||
|
|
||||||
|
info(" flags=" + twoByteValueToHexString(this.flags.value));
|
||||||
|
switch (this.headType) {
|
||||||
|
case MAIN_HEAD:
|
||||||
|
this.flags.MHD_VOLUME = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_COMMENT = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_LOCK = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_SOLID = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_PACK_COMMENT = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_NEWNUMBERING = this.flags.MHD_PACK_COMMENT;
|
||||||
|
this.flags.MHD_AV = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_PROTECT = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_PASSWORD = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_FIRSTVOLUME = !!bstream.readBits(1);
|
||||||
|
this.flags.MHD_ENCRYPTVER = !!bstream.readBits(1);
|
||||||
|
bstream.readBits(6); // unused
|
||||||
|
break;
|
||||||
|
case FILE_HEAD:
|
||||||
|
this.flags.LHD_SPLIT_BEFORE = !!bstream.readBits(1); // 0x0001
|
||||||
|
this.flags.LHD_SPLIT_AFTER = !!bstream.readBits(1); // 0x0002
|
||||||
|
this.flags.LHD_PASSWORD = !!bstream.readBits(1); // 0x0004
|
||||||
|
this.flags.LHD_COMMENT = !!bstream.readBits(1); // 0x0008
|
||||||
|
this.flags.LHD_SOLID = !!bstream.readBits(1); // 0x0010
|
||||||
|
bstream.readBits(3); // unused
|
||||||
|
this.flags.LHD_LARGE = !!bstream.readBits(1); // 0x0100
|
||||||
|
this.flags.LHD_UNICODE = !!bstream.readBits(1); // 0x0200
|
||||||
|
this.flags.LHD_SALT = !!bstream.readBits(1); // 0x0400
|
||||||
|
this.flags.LHD_VERSION = !!bstream.readBits(1); // 0x0800
|
||||||
|
this.flags.LHD_EXTTIME = !!bstream.readBits(1); // 0x1000
|
||||||
|
this.flags.LHD_EXTFLAGS = !!bstream.readBits(1); // 0x2000
|
||||||
|
bstream.readBits(2); // unused
|
||||||
|
info(" LHD_SPLIT_BEFORE = " + this.flags.LHD_SPLIT_BEFORE);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
bstream.readBits(16);
|
||||||
|
}
|
||||||
|
|
||||||
|
// byte 6,7
|
||||||
|
this.headSize = bstream.readBits(16);
|
||||||
|
info(" headSize=" + this.headSize);
|
||||||
|
switch (this.headType) {
|
||||||
|
case MAIN_HEAD:
|
||||||
|
this.highPosAv = bstream.readBits(16);
|
||||||
|
this.posAv = bstream.readBits(32);
|
||||||
|
if (this.flags.MHD_ENCRYPTVER) {
|
||||||
|
this.encryptVer = bstream.readBits(8);
|
||||||
|
}
|
||||||
|
info("Found MAIN_HEAD with highPosAv=" + this.highPosAv + ", posAv=" + this.posAv);
|
||||||
|
break;
|
||||||
|
case FILE_HEAD:
|
||||||
|
this.packSize = bstream.readBits(32);
|
||||||
|
this.unpackedSize = bstream.readBits(32);
|
||||||
|
this.hostOS = bstream.readBits(8);
|
||||||
|
this.fileCRC = bstream.readBits(32);
|
||||||
|
this.fileTime = bstream.readBits(32);
|
||||||
|
this.unpVer = bstream.readBits(8);
|
||||||
|
this.method = bstream.readBits(8);
|
||||||
|
this.nameSize = bstream.readBits(16);
|
||||||
|
this.fileAttr = bstream.readBits(32);
|
||||||
|
|
||||||
|
if (this.flags.LHD_LARGE) {
|
||||||
|
info("Warning: Reading in LHD_LARGE 64-bit size values");
|
||||||
|
this.HighPackSize = bstream.readBits(32);
|
||||||
|
this.HighUnpSize = bstream.readBits(32);
|
||||||
|
} else {
|
||||||
|
this.HighPackSize = 0;
|
||||||
|
this.HighUnpSize = 0;
|
||||||
|
if (this.unpackedSize == 0xffffffff) {
|
||||||
|
this.HighUnpSize = 0x7fffffff;
|
||||||
|
this.unpackedSize = 0xffffffff;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
this.fullPackSize = 0;
|
||||||
|
this.fullUnpackSize = 0;
|
||||||
|
this.fullPackSize |= this.HighPackSize;
|
||||||
|
this.fullPackSize <<= 32;
|
||||||
|
this.fullPackSize |= this.packSize;
|
||||||
|
|
||||||
|
// read in filename
|
||||||
|
|
||||||
|
this.filename = bstream.readBytes(this.nameSize);
|
||||||
|
for (var _i = 0, _s = ""; _i < this.filename.length ; _i++) {
|
||||||
|
_s += String.fromCharCode(this.filename[_i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
this.filename = _s;
|
||||||
|
|
||||||
|
if (this.flags.LHD_SALT) {
|
||||||
|
info("Warning: Reading in 64-bit salt value");
|
||||||
|
this.salt = bstream.readBits(64); // 8 bytes
|
||||||
|
}
|
||||||
|
|
||||||
|
if (this.flags.LHD_EXTTIME) {
|
||||||
|
// 16-bit flags
|
||||||
|
var extTimeFlags = bstream.readBits(16);
|
||||||
|
|
||||||
|
// this is adapted straight out of arcread.cpp, Archive::ReadHeader()
|
||||||
|
for (var I = 0; I < 4; ++I) {
|
||||||
|
var rmode = extTimeFlags >> ((3 - I) * 4);
|
||||||
|
if ((rmode & 8)==0)
|
||||||
|
continue;
|
||||||
|
if (I!=0) {
|
||||||
|
bstream.readBits(16);
|
||||||
|
}
|
||||||
|
var count = (rmode & 3);
|
||||||
|
for (var J = 0; J < count; ++J) {
|
||||||
|
bstream.readBits(8);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (this.flags.LHD_COMMENT) {
|
||||||
|
info("Found a LHD_COMMENT");
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
while (headPos + this.headSize > bstream.bytePtr) bstream.readBits(1);
|
||||||
|
|
||||||
|
info("Found FILE_HEAD with packSize=" + this.packSize + ", unpackedSize= " + this.unpackedSize + ", hostOS=" + this.hostOS + ", unpVer=" + this.unpVer + ", method=" + this.method + ", filename=" + this.filename);
|
||||||
|
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
info("Found a header of type 0x" + byteValueToHexString(this.headType));
|
||||||
|
// skip the rest of the header bytes (for now)
|
||||||
|
bstream.readBytes( this.headSize - 7 );
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
var BLOCK_LZ = 0;
|
||||||
|
// BLOCK_PPM = 1;
|
||||||
|
|
||||||
|
var rLDecode = [0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224],
|
||||||
|
rLBits = [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5],
|
||||||
|
rDBitLengthCounts = [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 14, 0, 12],
|
||||||
|
rSDDecode = [0, 4, 8, 16, 32, 64, 128, 192],
|
||||||
|
rSDBits = [2,2,3, 4, 5, 6, 6, 6];
|
||||||
|
|
||||||
|
var rDDecode = [0, 1, 2, 3, 4, 6, 8, 12, 16, 24, 32,
|
||||||
|
48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072,
|
||||||
|
4096, 6144, 8192, 12288, 16384, 24576, 32768, 49152, 65536, 98304,
|
||||||
|
131072, 196608, 262144, 327680, 393216, 458752, 524288, 589824,
|
||||||
|
655360, 720896, 786432, 851968, 917504, 983040];
|
||||||
|
|
||||||
|
var rDBits = [0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5,
|
||||||
|
5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14,
|
||||||
|
15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16];
|
||||||
|
|
||||||
|
var rLOW_DIST_REP_COUNT = 16;
|
||||||
|
|
||||||
|
var rNC = 299,
|
||||||
|
rDC = 60,
|
||||||
|
rLDC = 17,
|
||||||
|
rRC = 28,
|
||||||
|
rBC = 20,
|
||||||
|
rHUFF_TABLE_SIZE = (rNC + rDC + rRC + rLDC);
|
||||||
|
|
||||||
|
var UnpBlockType = BLOCK_LZ;
|
||||||
|
var UnpOldTable = new Array(rHUFF_TABLE_SIZE);
|
||||||
|
|
||||||
|
var BD = { //bitdecode
|
||||||
|
DecodeLen: new Array(16),
|
||||||
|
DecodePos: new Array(16),
|
||||||
|
DecodeNum: new Array(rBC)
|
||||||
|
};
|
||||||
|
var LD = { //litdecode
|
||||||
|
DecodeLen: new Array(16),
|
||||||
|
DecodePos: new Array(16),
|
||||||
|
DecodeNum: new Array(rNC)
|
||||||
|
};
|
||||||
|
var DD = { //distdecode
|
||||||
|
DecodeLen: new Array(16),
|
||||||
|
DecodePos: new Array(16),
|
||||||
|
DecodeNum: new Array(rDC)
|
||||||
|
};
|
||||||
|
var LDD = { //low dist decode
|
||||||
|
DecodeLen: new Array(16),
|
||||||
|
DecodePos: new Array(16),
|
||||||
|
DecodeNum: new Array(rLDC)
|
||||||
|
};
|
||||||
|
var RD = { //rep decode
|
||||||
|
DecodeLen: new Array(16),
|
||||||
|
DecodePos: new Array(16),
|
||||||
|
DecodeNum: new Array(rRC)
|
||||||
|
};
|
||||||
|
|
||||||
|
var rBuffer;
|
||||||
|
|
||||||
|
// read in Huffman tables for RAR
|
||||||
|
function RarReadTables(bstream) {
|
||||||
|
var BitLength = new Array(rBC),
|
||||||
|
Table = new Array(rHUFF_TABLE_SIZE);
|
||||||
|
|
||||||
|
// before we start anything we need to get byte-aligned
|
||||||
|
bstream.readBits( (8 - bstream.bitPtr) & 0x7 );
|
||||||
|
|
||||||
|
if (bstream.readBits(1)) {
|
||||||
|
info("Error! PPM not implemented yet");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!bstream.readBits(1)) { //discard old table
|
||||||
|
for (var i = UnpOldTable.length; i--;) UnpOldTable[i] = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// read in bit lengths
|
||||||
|
for (var I = 0; I < rBC; ++I) {
|
||||||
|
|
||||||
|
var Length = bstream.readBits(4);
|
||||||
|
if (Length == 15) {
|
||||||
|
var ZeroCount = bstream.readBits(4);
|
||||||
|
if (ZeroCount == 0) {
|
||||||
|
BitLength[I] = 15;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
ZeroCount += 2;
|
||||||
|
while (ZeroCount-- > 0 && I < rBC)
|
||||||
|
BitLength[I++] = 0;
|
||||||
|
--I;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
BitLength[I] = Length;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// now all 20 bit lengths are obtained, we construct the Huffman Table:
|
||||||
|
|
||||||
|
RarMakeDecodeTables(BitLength, 0, BD, rBC);
|
||||||
|
|
||||||
|
var TableSize = rHUFF_TABLE_SIZE;
|
||||||
|
//console.log(DecodeLen, DecodePos, DecodeNum);
|
||||||
|
for (var i = 0; i < TableSize;) {
|
||||||
|
var num = RarDecodeNumber(bstream, BD);
|
||||||
|
if (num < 16) {
|
||||||
|
Table[i] = (num + UnpOldTable[i]) & 0xf;
|
||||||
|
i++;
|
||||||
|
} else if(num < 18) {
|
||||||
|
var N = (num == 16) ? (bstream.readBits(3) + 3) : (bstream.readBits(7) + 11);
|
||||||
|
|
||||||
|
while (N-- > 0 && i < TableSize) {
|
||||||
|
Table[i] = Table[i - 1];
|
||||||
|
i++;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
var N = (num == 18) ? (bstream.readBits(3) + 3) : (bstream.readBits(7) + 11);
|
||||||
|
|
||||||
|
while (N-- > 0 && i < TableSize) {
|
||||||
|
Table[i++] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
RarMakeDecodeTables(Table, 0, LD, rNC);
|
||||||
|
RarMakeDecodeTables(Table, rNC, DD, rDC);
|
||||||
|
RarMakeDecodeTables(Table, rNC + rDC, LDD, rLDC);
|
||||||
|
RarMakeDecodeTables(Table, rNC + rDC + rLDC, RD, rRC);
|
||||||
|
|
||||||
|
for (var i = UnpOldTable.length; i--;) {
|
||||||
|
UnpOldTable[i] = Table[i];
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function RarDecodeNumber(bstream, dec) {
|
||||||
|
var DecodeLen = dec.DecodeLen, DecodePos = dec.DecodePos, DecodeNum = dec.DecodeNum;
|
||||||
|
var bitField = bstream.getBits() & 0xfffe;
|
||||||
|
//some sort of rolled out binary search
|
||||||
|
var bits = ((bitField < DecodeLen[8])?
|
||||||
|
((bitField < DecodeLen[4])?
|
||||||
|
((bitField < DecodeLen[2])?
|
||||||
|
((bitField < DecodeLen[1])?1:2)
|
||||||
|
:((bitField < DecodeLen[3])?3:4))
|
||||||
|
:(bitField < DecodeLen[6])?
|
||||||
|
((bitField < DecodeLen[5])?5:6)
|
||||||
|
:((bitField < DecodeLen[7])?7:8))
|
||||||
|
:((bitField < DecodeLen[12])?
|
||||||
|
((bitField < DecodeLen[10])?
|
||||||
|
((bitField < DecodeLen[9])?9:10)
|
||||||
|
:((bitField < DecodeLen[11])?11:12))
|
||||||
|
:(bitField < DecodeLen[14])?
|
||||||
|
((bitField < DecodeLen[13])?13:14)
|
||||||
|
:15));
|
||||||
|
bstream.readBits(bits);
|
||||||
|
var N = DecodePos[bits] + ((bitField - DecodeLen[bits -1]) >>> (16 - bits));
|
||||||
|
|
||||||
|
return DecodeNum[N];
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function RarMakeDecodeTables(BitLength, offset, dec, size) {
|
||||||
|
var DecodeLen = dec.DecodeLen, DecodePos = dec.DecodePos, DecodeNum = dec.DecodeNum;
|
||||||
|
var LenCount = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
|
||||||
|
TmpPos = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
|
||||||
|
N = 0, M = 0;
|
||||||
|
for (var i = DecodeNum.length; i--;) DecodeNum[i] = 0;
|
||||||
|
for (var i = 0; i < size; i++) {
|
||||||
|
LenCount[BitLength[i + offset] & 0xF]++;
|
||||||
|
}
|
||||||
|
LenCount[0] = 0;
|
||||||
|
TmpPos[0] = 0;
|
||||||
|
DecodePos[0] = 0;
|
||||||
|
DecodeLen[0] = 0;
|
||||||
|
|
||||||
|
for (var I = 1; I < 16; ++I) {
|
||||||
|
N = 2 * (N+LenCount[I]);
|
||||||
|
M = (N << (15-I));
|
||||||
|
if (M > 0xFFFF)
|
||||||
|
M = 0xFFFF;
|
||||||
|
DecodeLen[I] = M;
|
||||||
|
DecodePos[I] = DecodePos[I-1] + LenCount[I-1];
|
||||||
|
TmpPos[I] = DecodePos[I];
|
||||||
|
}
|
||||||
|
for (I = 0; I < size; ++I)
|
||||||
|
if (BitLength[I + offset] != 0)
|
||||||
|
DecodeNum[ TmpPos[ BitLength[offset + I] & 0xF ]++] = I;
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: implement
|
||||||
|
function Unpack15(bstream, Solid) {
|
||||||
|
info("ERROR! RAR 1.5 compression not supported");
|
||||||
|
}
|
||||||
|
|
||||||
|
function Unpack20(bstream, Solid) {
|
||||||
|
var destUnpSize = rBuffer.data.length;
|
||||||
|
var oldDistPtr = 0;
|
||||||
|
|
||||||
|
RarReadTables20(bstream);
|
||||||
|
while (destUnpSize > rBuffer.ptr) {
|
||||||
|
var num = RarDecodeNumber(bstream, LD);
|
||||||
|
if (num < 256) {
|
||||||
|
rBuffer.insertByte(num);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num > 269) {
|
||||||
|
var Length = rLDecode[num -= 270] + 3;
|
||||||
|
if ((Bits = rLBits[num]) > 0) {
|
||||||
|
Length += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
var DistNumber = RarDecodeNumber(bstream, DD);
|
||||||
|
var Distance = rDDecode[DistNumber] + 1;
|
||||||
|
if ((Bits = rDBits[DistNumber]) > 0) {
|
||||||
|
Distance += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
if (Distance >= 0x2000) {
|
||||||
|
Length++;
|
||||||
|
if(Distance >= 0x40000) Length++;
|
||||||
|
}
|
||||||
|
lastLength = Length;
|
||||||
|
lastDist = rOldDist[oldDistPtr++ & 3] = Distance;
|
||||||
|
RarCopyString(Length, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num == 269) {
|
||||||
|
RarReadTables20(bstream);
|
||||||
|
|
||||||
|
RarUpdateProgress()
|
||||||
|
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num == 256) {
|
||||||
|
lastDist = rOldDist[oldDistPtr++ & 3] = lastDist;
|
||||||
|
RarCopyString(lastLength, lastDist);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num < 261) {
|
||||||
|
var Distance = rOldDist[(oldDistPtr - (num - 256)) & 3];
|
||||||
|
var LengthNumber = RarDecodeNumber(bstream, RD);
|
||||||
|
var Length = rLDecode[LengthNumber] +2;
|
||||||
|
if ((Bits = rLBits[LengthNumber]) > 0) {
|
||||||
|
Length += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
if (Distance >= 0x101) {
|
||||||
|
Length++;
|
||||||
|
if (Distance >= 0x2000) {
|
||||||
|
Length++
|
||||||
|
if (Distance >= 0x40000) Length++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
lastLength = Length;
|
||||||
|
lastDist = rOldDist[oldDistPtr++ & 3] = Distance;
|
||||||
|
RarCopyString(Length, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num < 270) {
|
||||||
|
var Distance = rSDDecode[num -= 261] + 1;
|
||||||
|
if ((Bits = rSDBits[num]) > 0) {
|
||||||
|
Distance += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
lastLength = 2;
|
||||||
|
lastDist = rOldDist[oldDistPtr++ & 3] = Distance;
|
||||||
|
RarCopyString(2, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
RarUpdateProgress()
|
||||||
|
}
|
||||||
|
|
||||||
|
function RarUpdateProgress() {
|
||||||
|
var change = rBuffer.ptr - currentBytesUnarchivedInFile;
|
||||||
|
currentBytesUnarchivedInFile = rBuffer.ptr;
|
||||||
|
currentBytesUnarchived += change;
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
var rNC20 = 298,
|
||||||
|
rDC20 = 48,
|
||||||
|
rRC20 = 28,
|
||||||
|
rBC20 = 19,
|
||||||
|
rMC20 = 257;
|
||||||
|
|
||||||
|
var UnpOldTable20 = new Array(rMC20 * 4);
|
||||||
|
|
||||||
|
function RarReadTables20(bstream) {
|
||||||
|
var BitLength = new Array(rBC20);
|
||||||
|
var Table = new Array(rMC20 * 4);
|
||||||
|
var TableSize, N, I;
|
||||||
|
var AudioBlock = bstream.readBits(1);
|
||||||
|
if (!bstream.readBits(1))
|
||||||
|
for (var i = UnpOldTable20.length; i--;) UnpOldTable20[i] = 0;
|
||||||
|
TableSize = rNC20 + rDC20 + rRC20;
|
||||||
|
for (var I = 0; I < rBC20; I++)
|
||||||
|
BitLength[I] = bstream.readBits(4);
|
||||||
|
RarMakeDecodeTables(BitLength, 0, BD, rBC20);
|
||||||
|
I = 0;
|
||||||
|
while (I < TableSize) {
|
||||||
|
var num = RarDecodeNumber(bstream, BD);
|
||||||
|
if (num < 16) {
|
||||||
|
Table[I] = num + UnpOldTable20[I] & 0xf;
|
||||||
|
I++;
|
||||||
|
} else if(num == 16) {
|
||||||
|
N = bstream.readBits(2) + 3;
|
||||||
|
while (N-- > 0 && I < TableSize) {
|
||||||
|
Table[I] = Table[I - 1];
|
||||||
|
I++;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if (num == 17) {
|
||||||
|
N = bstream.readBits(3) + 3;
|
||||||
|
} else {
|
||||||
|
N = bstream.readBits(7) + 11;
|
||||||
|
}
|
||||||
|
while (N-- > 0 && I < TableSize) {
|
||||||
|
Table[I++] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
RarMakeDecodeTables(Table, 0, LD, rNC20);
|
||||||
|
RarMakeDecodeTables(Table, rNC20, DD, rDC20);
|
||||||
|
RarMakeDecodeTables(Table, rNC20 + rDC20, RD, rRC20);
|
||||||
|
for (var i = UnpOldTable20.length; i--;) UnpOldTable20[i] = Table[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
var lowDistRepCount = 0, prevLowDist = 0;
|
||||||
|
|
||||||
|
var rOldDist = [0,0,0,0];
|
||||||
|
var lastDist;
|
||||||
|
var lastLength;
|
||||||
|
|
||||||
|
|
||||||
|
function Unpack29(bstream, Solid) {
|
||||||
|
// lazy initialize rDDecode and rDBits
|
||||||
|
|
||||||
|
var DDecode = new Array(rDC);
|
||||||
|
var DBits = new Array(rDC);
|
||||||
|
|
||||||
|
var Dist=0,BitLength=0,Slot=0;
|
||||||
|
|
||||||
|
for (var I = 0; I < rDBitLengthCounts.length; I++,BitLength++) {
|
||||||
|
for (var J = 0; J < rDBitLengthCounts[I]; J++,Slot++,Dist+=(1<<BitLength)) {
|
||||||
|
DDecode[Slot]=Dist;
|
||||||
|
DBits[Slot]=BitLength;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
var Bits;
|
||||||
|
//tablesRead = false;
|
||||||
|
|
||||||
|
rOldDist = [0,0,0,0]
|
||||||
|
|
||||||
|
lastDist = 0;
|
||||||
|
lastLength = 0;
|
||||||
|
|
||||||
|
for (var i = UnpOldTable.length; i--;) UnpOldTable[i] = 0;
|
||||||
|
|
||||||
|
// read in Huffman tables
|
||||||
|
RarReadTables(bstream);
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
var num = RarDecodeNumber(bstream, LD);
|
||||||
|
|
||||||
|
if (num < 256) {
|
||||||
|
rBuffer.insertByte(num);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num >= 271) {
|
||||||
|
var Length = rLDecode[num -= 271] + 3;
|
||||||
|
if ((Bits = rLBits[num]) > 0) {
|
||||||
|
Length += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
var DistNumber = RarDecodeNumber(bstream, DD);
|
||||||
|
var Distance = DDecode[DistNumber]+1;
|
||||||
|
if ((Bits = DBits[DistNumber]) > 0) {
|
||||||
|
if (DistNumber > 9) {
|
||||||
|
if (Bits > 4) {
|
||||||
|
Distance += ((bstream.getBits() >>> (20 - Bits)) << 4);
|
||||||
|
bstream.readBits(Bits - 4);
|
||||||
|
//todo: check this
|
||||||
|
}
|
||||||
|
if (lowDistRepCount > 0) {
|
||||||
|
lowDistRepCount--;
|
||||||
|
Distance += prevLowDist;
|
||||||
|
} else {
|
||||||
|
var LowDist = RarDecodeNumber(bstream, LDD);
|
||||||
|
if (LowDist == 16) {
|
||||||
|
lowDistRepCount = rLOW_DIST_REP_COUNT - 1;
|
||||||
|
Distance += prevLowDist;
|
||||||
|
} else {
|
||||||
|
Distance += LowDist;
|
||||||
|
prevLowDist = LowDist;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
Distance += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (Distance >= 0x2000) {
|
||||||
|
Length++;
|
||||||
|
if (Distance >= 0x40000) {
|
||||||
|
Length++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
RarInsertOldDist(Distance);
|
||||||
|
RarInsertLastMatch(Length, Distance);
|
||||||
|
RarCopyString(Length, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num == 256) {
|
||||||
|
if (!RarReadEndOfBlock(bstream)) break;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num == 257) {
|
||||||
|
//console.log("READVMCODE");
|
||||||
|
if (!RarReadVMCode(bstream)) break;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num == 258) {
|
||||||
|
if (lastLength != 0) {
|
||||||
|
RarCopyString(lastLength, lastDist);
|
||||||
|
}
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num < 263) {
|
||||||
|
var DistNum = num - 259;
|
||||||
|
var Distance = rOldDist[DistNum];
|
||||||
|
|
||||||
|
for (var I = DistNum; I > 0; I--) {
|
||||||
|
rOldDist[I] = rOldDist[I-1];
|
||||||
|
}
|
||||||
|
rOldDist[0] = Distance;
|
||||||
|
|
||||||
|
var LengthNumber = RarDecodeNumber(bstream, RD);
|
||||||
|
var Length = rLDecode[LengthNumber] + 2;
|
||||||
|
if ((Bits = rLBits[LengthNumber]) > 0) {
|
||||||
|
Length += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
RarInsertLastMatch(Length, Distance);
|
||||||
|
RarCopyString(Length, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (num < 272) {
|
||||||
|
var Distance = rSDDecode[num -= 263] + 1;
|
||||||
|
if ((Bits = rSDBits[num]) > 0) {
|
||||||
|
Distance += bstream.readBits(Bits);
|
||||||
|
}
|
||||||
|
RarInsertOldDist(Distance);
|
||||||
|
RarInsertLastMatch(2, Distance);
|
||||||
|
RarCopyString(2, Distance);
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
RarUpdateProgress()
|
||||||
|
}
|
||||||
|
|
||||||
|
function RarReadEndOfBlock(bstream) {
|
||||||
|
|
||||||
|
RarUpdateProgress()
|
||||||
|
|
||||||
|
var NewTable = false, NewFile = false;
|
||||||
|
if (bstream.readBits(1)) {
|
||||||
|
NewTable = true;
|
||||||
|
} else {
|
||||||
|
NewFile = true;
|
||||||
|
NewTable = !!bstream.readBits(1);
|
||||||
|
}
|
||||||
|
//tablesRead = !NewTable;
|
||||||
|
return !(NewFile || NewTable && !RarReadTables(bstream));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
function RarReadVMCode(bstream) {
|
||||||
|
var FirstByte = bstream.readBits(8);
|
||||||
|
var Length = (FirstByte & 7) + 1;
|
||||||
|
if (Length == 7) {
|
||||||
|
Length = bstream.readBits(8) + 7;
|
||||||
|
} else if(Length == 8) {
|
||||||
|
Length = bstream.readBits(16);
|
||||||
|
}
|
||||||
|
var vmCode = [];
|
||||||
|
for(var I = 0; I < Length; I++) {
|
||||||
|
//do something here with cheking readbuf
|
||||||
|
vmCode.push(bstream.readBits(8));
|
||||||
|
}
|
||||||
|
return RarAddVMCode(FirstByte, vmCode, Length);
|
||||||
|
}
|
||||||
|
|
||||||
|
function RarAddVMCode(firstByte, vmCode, length) {
|
||||||
|
//console.log(vmCode);
|
||||||
|
if (vmCode.length > 0) {
|
||||||
|
info("Error! RarVM not supported yet!");
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
function RarInsertLastMatch(length, distance) {
|
||||||
|
lastDist = distance;
|
||||||
|
lastLength = length;
|
||||||
|
}
|
||||||
|
|
||||||
|
function RarInsertOldDist(distance) {
|
||||||
|
rOldDist.splice(3,1);
|
||||||
|
rOldDist.splice(0,0,distance);
|
||||||
|
}
|
||||||
|
|
||||||
|
//this is the real function, the other one is for debugging
|
||||||
|
function RarCopyString(length, distance) {
|
||||||
|
var destPtr = rBuffer.ptr - distance;
|
||||||
|
if(destPtr < 0){
|
||||||
|
var l = rOldBuffers.length;
|
||||||
|
while(destPtr < 0){
|
||||||
|
destPtr = rOldBuffers[--l].data.length + destPtr;
|
||||||
|
}
|
||||||
|
//TODO: lets hope that it never needs to read beyond file boundaries
|
||||||
|
while(length--) rBuffer.insertByte(rOldBuffers[l].data[destPtr++]);
|
||||||
|
}
|
||||||
|
if (length > distance) {
|
||||||
|
while(length--) rBuffer.insertByte(rBuffer.data[destPtr++]);
|
||||||
|
} else {
|
||||||
|
rBuffer.insertBytes(rBuffer.data.subarray(destPtr, destPtr + length));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
var rOldBuffers = []
|
||||||
|
// v must be a valid RarVolume
|
||||||
|
function unpack(v) {
|
||||||
|
|
||||||
|
// TODO: implement what happens when unpVer is < 15
|
||||||
|
var Ver = v.header.unpVer <= 15 ? 15 : v.header.unpVer,
|
||||||
|
Solid = v.header.LHD_SOLID,
|
||||||
|
bstream = new bitjs.io.BitStream(v.fileData.buffer, true /* rtl */, v.fileData.byteOffset, v.fileData.byteLength );
|
||||||
|
|
||||||
|
rBuffer = new bitjs.io.ByteBuffer(v.header.unpackedSize);
|
||||||
|
|
||||||
|
info("Unpacking " + v.filename+" RAR v" + Ver);
|
||||||
|
|
||||||
|
switch(Ver) {
|
||||||
|
case 15: // rar 1.5 compression
|
||||||
|
Unpack15(bstream, Solid);
|
||||||
|
break;
|
||||||
|
case 20: // rar 2.x compression
|
||||||
|
case 26: // files larger than 2GB
|
||||||
|
Unpack20(bstream, Solid);
|
||||||
|
break;
|
||||||
|
case 29: // rar 3.x compression
|
||||||
|
case 36: // alternative hash
|
||||||
|
Unpack29(bstream, Solid);
|
||||||
|
break;
|
||||||
|
} // switch(method)
|
||||||
|
|
||||||
|
rOldBuffers.push(rBuffer);
|
||||||
|
//TODO: clear these old buffers when there's over 4MB of history
|
||||||
|
return rBuffer.data;
|
||||||
|
}
|
||||||
|
|
||||||
|
// bstream is a bit stream
|
||||||
|
var RarLocalFile = function(bstream) {
|
||||||
|
|
||||||
|
this.header = new RarVolumeHeader(bstream);
|
||||||
|
this.filename = this.header.filename;
|
||||||
|
|
||||||
|
if (this.header.headType != FILE_HEAD && this.header.headType != ENDARC_HEAD) {
|
||||||
|
this.isValid = false;
|
||||||
|
info("Error! RAR Volume did not include a FILE_HEAD header ");
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// read in the compressed data
|
||||||
|
this.fileData = null;
|
||||||
|
if (this.header.packSize > 0) {
|
||||||
|
this.fileData = bstream.readBytes(this.header.packSize);
|
||||||
|
this.isValid = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
RarLocalFile.prototype.unrar = function() {
|
||||||
|
|
||||||
|
if (!this.header.flags.LHD_SPLIT_BEFORE) {
|
||||||
|
// unstore file
|
||||||
|
if (this.header.method == 0x30) {
|
||||||
|
info("Unstore "+this.filename);
|
||||||
|
this.isValid = true;
|
||||||
|
|
||||||
|
currentBytesUnarchivedInFile += this.fileData.length;
|
||||||
|
currentBytesUnarchived += this.fileData.length;
|
||||||
|
|
||||||
|
// Create a new buffer and copy it over.
|
||||||
|
var len = this.header.packSize;
|
||||||
|
var newBuffer = new bitjs.io.ByteBuffer(len);
|
||||||
|
newBuffer.insertBytes(this.fileData);
|
||||||
|
this.fileData = newBuffer.data;
|
||||||
|
} else {
|
||||||
|
this.isValid = true;
|
||||||
|
this.fileData = unpack(this);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
var unrar = function(arrayBuffer) {
|
||||||
|
currentFilename = "";
|
||||||
|
currentFileNumber = 0;
|
||||||
|
currentBytesUnarchivedInFile = 0;
|
||||||
|
currentBytesUnarchived = 0;
|
||||||
|
totalUncompressedBytesInArchive = 0;
|
||||||
|
totalFilesInArchive = 0;
|
||||||
|
|
||||||
|
postMessage(new bitjs.archive.UnarchiveStartEvent());
|
||||||
|
var bstream = new bitjs.io.BitStream(arrayBuffer, false /* rtl */);
|
||||||
|
|
||||||
|
var header = new RarVolumeHeader(bstream);
|
||||||
|
if (header.crc == 0x6152 &&
|
||||||
|
header.headType == 0x72 &&
|
||||||
|
header.flags.value == 0x1A21 &&
|
||||||
|
header.headSize == 7)
|
||||||
|
{
|
||||||
|
info("Found RAR signature");
|
||||||
|
|
||||||
|
var mhead = new RarVolumeHeader(bstream);
|
||||||
|
if (mhead.headType != MAIN_HEAD) {
|
||||||
|
info("Error! RAR did not include a MAIN_HEAD header");
|
||||||
|
} else {
|
||||||
|
var localFiles = [],
|
||||||
|
localFile = null;
|
||||||
|
do {
|
||||||
|
try {
|
||||||
|
localFile = new RarLocalFile(bstream);
|
||||||
|
info("RAR localFile isValid=" + localFile.isValid + ", volume packSize=" + localFile.header.packSize);
|
||||||
|
if (localFile && localFile.isValid && localFile.header.packSize > 0) {
|
||||||
|
totalUncompressedBytesInArchive += localFile.header.unpackedSize;
|
||||||
|
localFiles.push(localFile);
|
||||||
|
} else if (localFile.header.packSize == 0 && localFile.header.unpackedSize == 0) {
|
||||||
|
localFile.isValid = true;
|
||||||
|
}
|
||||||
|
} catch(err) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
//info("bstream" + bstream.bytePtr+"/"+bstream.bytes.length);
|
||||||
|
} while( localFile.isValid );
|
||||||
|
totalFilesInArchive = localFiles.length;
|
||||||
|
|
||||||
|
// now we have all information but things are unpacked
|
||||||
|
// TODO: unpack
|
||||||
|
localFiles = localFiles.sort(function(a,b) {
|
||||||
|
var aname = a.filename.toLowerCase();
|
||||||
|
var bname = b.filename.toLowerCase();
|
||||||
|
return aname > bname ? 1 : -1;
|
||||||
|
});
|
||||||
|
|
||||||
|
info(localFiles.map(function(a){return a.filename}).join(', '));
|
||||||
|
for (var i = 0; i < localFiles.length; ++i) {
|
||||||
|
var localfile = localFiles[i];
|
||||||
|
|
||||||
|
// update progress
|
||||||
|
currentFilename = localfile.header.filename;
|
||||||
|
currentBytesUnarchivedInFile = 0;
|
||||||
|
|
||||||
|
// actually do the unzipping
|
||||||
|
localfile.unrar();
|
||||||
|
|
||||||
|
if (localfile.isValid) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
err("Invalid RAR file");
|
||||||
|
}
|
||||||
|
postMessage(new bitjs.archive.UnarchiveFinishEvent());
|
||||||
|
};
|
||||||
|
|
||||||
|
// event.data.file has the ArrayBuffer.
|
||||||
|
onmessage = function(event) {
|
||||||
|
var ab = event.data.file;
|
||||||
|
unrar(ab, true);
|
||||||
|
};
|
@ -0,0 +1,168 @@
|
|||||||
|
/**
|
||||||
|
* untar.js
|
||||||
|
*
|
||||||
|
* Copyright(c) 2011 Google Inc.
|
||||||
|
*
|
||||||
|
* Reference Documentation:
|
||||||
|
*
|
||||||
|
* TAR format: http://www.gnu.org/software/automake/manual/tar/Standard.html
|
||||||
|
*/
|
||||||
|
|
||||||
|
// This file expects to be invoked as a Worker (see onmessage below).
|
||||||
|
importScripts('io.js');
|
||||||
|
importScripts('archive.js');
|
||||||
|
|
||||||
|
// Progress variables.
|
||||||
|
var currentFilename = "";
|
||||||
|
var currentFileNumber = 0;
|
||||||
|
var currentBytesUnarchivedInFile = 0;
|
||||||
|
var currentBytesUnarchived = 0;
|
||||||
|
var totalUncompressedBytesInArchive = 0;
|
||||||
|
var totalFilesInArchive = 0;
|
||||||
|
|
||||||
|
// Helper functions.
|
||||||
|
var info = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveInfoEvent(str));
|
||||||
|
};
|
||||||
|
var err = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveErrorEvent(str));
|
||||||
|
};
|
||||||
|
var postProgress = function() {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveProgressEvent(
|
||||||
|
currentFilename,
|
||||||
|
currentFileNumber,
|
||||||
|
currentBytesUnarchivedInFile,
|
||||||
|
currentBytesUnarchived,
|
||||||
|
totalUncompressedBytesInArchive,
|
||||||
|
totalFilesInArchive));
|
||||||
|
};
|
||||||
|
|
||||||
|
// Removes all characters from the first zero-byte in the string onwards.
|
||||||
|
var readCleanString = function(bstr, numBytes) {
|
||||||
|
var str = bstr.readString(numBytes);
|
||||||
|
var zIndex = str.indexOf(String.fromCharCode(0));
|
||||||
|
return zIndex != -1 ? str.substr(0, zIndex) : str;
|
||||||
|
};
|
||||||
|
|
||||||
|
// takes a ByteStream and parses out the local file information
|
||||||
|
var TarLocalFile = function(bstream) {
|
||||||
|
this.isValid = false;
|
||||||
|
|
||||||
|
// Read in the header block
|
||||||
|
this.name = readCleanString(bstream, 100);
|
||||||
|
this.mode = readCleanString(bstream, 8);
|
||||||
|
this.uid = readCleanString(bstream, 8);
|
||||||
|
this.gid = readCleanString(bstream, 8);
|
||||||
|
this.size = parseInt(readCleanString(bstream, 12), 8);
|
||||||
|
this.mtime = readCleanString(bstream, 12);
|
||||||
|
this.chksum = readCleanString(bstream, 8);
|
||||||
|
this.typeflag = readCleanString(bstream, 1);
|
||||||
|
this.linkname = readCleanString(bstream, 100);
|
||||||
|
this.maybeMagic = readCleanString(bstream, 6);
|
||||||
|
|
||||||
|
if (this.maybeMagic == "ustar") {
|
||||||
|
this.version = readCleanString(bstream, 2);
|
||||||
|
this.uname = readCleanString(bstream, 32);
|
||||||
|
this.gname = readCleanString(bstream, 32);
|
||||||
|
this.devmajor = readCleanString(bstream, 8);
|
||||||
|
this.devminor = readCleanString(bstream, 8);
|
||||||
|
this.prefix = readCleanString(bstream, 155);
|
||||||
|
|
||||||
|
if (this.prefix.length) {
|
||||||
|
this.name = this.prefix + this.name;
|
||||||
|
}
|
||||||
|
bstream.readBytes(12); // 512 - 500
|
||||||
|
} else {
|
||||||
|
bstream.readBytes(255); // 512 - 257
|
||||||
|
}
|
||||||
|
|
||||||
|
// Done header, now rest of blocks are the file contents.
|
||||||
|
this.filename = this.name;
|
||||||
|
this.fileData = null;
|
||||||
|
|
||||||
|
info("Untarring file '" + this.filename + "'");
|
||||||
|
info(" size = " + this.size);
|
||||||
|
info(" typeflag = " + this.typeflag);
|
||||||
|
|
||||||
|
// A regular file.
|
||||||
|
if (this.typeflag == 0) {
|
||||||
|
info(" This is a regular file.");
|
||||||
|
var sizeInBytes = parseInt(this.size);
|
||||||
|
this.fileData = new Uint8Array(bstream.bytes.buffer, bstream.ptr, this.size);
|
||||||
|
if (this.name.length > 0 && this.size > 0 && this.fileData && this.fileData.buffer) {
|
||||||
|
this.isValid = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bstream.readBytes(this.size);
|
||||||
|
|
||||||
|
// Round up to 512-byte blocks.
|
||||||
|
var remaining = 512 - this.size % 512;
|
||||||
|
if (remaining > 0 && remaining < 512) {
|
||||||
|
bstream.readBytes(remaining);
|
||||||
|
}
|
||||||
|
} else if (this.typeflag == 5) {
|
||||||
|
info(" This is a directory.")
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Takes an ArrayBuffer of a tar file in
|
||||||
|
// returns null on error
|
||||||
|
// returns an array of DecompressedFile objects on success
|
||||||
|
var untar = function(arrayBuffer) {
|
||||||
|
currentFilename = "";
|
||||||
|
currentFileNumber = 0;
|
||||||
|
currentBytesUnarchivedInFile = 0;
|
||||||
|
currentBytesUnarchived = 0;
|
||||||
|
totalUncompressedBytesInArchive = 0;
|
||||||
|
totalFilesInArchive = 0;
|
||||||
|
|
||||||
|
postMessage(new bitjs.archive.UnarchiveStartEvent());
|
||||||
|
var bstream = new bitjs.io.ByteStream(arrayBuffer);
|
||||||
|
var localFiles = [];
|
||||||
|
|
||||||
|
// While we don't encounter an empty block, keep making TarLocalFiles.
|
||||||
|
while (bstream.peekNumber(4) != 0) {
|
||||||
|
var oneLocalFile = new TarLocalFile(bstream);
|
||||||
|
if (oneLocalFile && oneLocalFile.isValid) {
|
||||||
|
localFiles.push(oneLocalFile);
|
||||||
|
totalUncompressedBytesInArchive += oneLocalFile.size;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
totalFilesInArchive = localFiles.length;
|
||||||
|
|
||||||
|
// got all local files, now sort them
|
||||||
|
localFiles.sort(function(a,b) {
|
||||||
|
var aname = a.filename.toLowerCase();
|
||||||
|
var bname = b.filename.toLowerCase();
|
||||||
|
return aname > bname ? 1 : -1;
|
||||||
|
});
|
||||||
|
|
||||||
|
// report # files and total length
|
||||||
|
if (localFiles.length > 0) {
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
|
||||||
|
// now do the shipping of each file
|
||||||
|
for (var i = 0; i < localFiles.length; ++i) {
|
||||||
|
var localfile = localFiles[i];
|
||||||
|
info("Sending file '" + localfile.filename + "' up");
|
||||||
|
|
||||||
|
// update progress
|
||||||
|
currentFilename = localfile.filename;
|
||||||
|
currentFileNumber = i;
|
||||||
|
currentBytesUnarchivedInFile = localfile.size;
|
||||||
|
currentBytesUnarchived += localfile.size;
|
||||||
|
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
|
||||||
|
postProgress();
|
||||||
|
|
||||||
|
postMessage(new bitjs.archive.UnarchiveFinishEvent());
|
||||||
|
};
|
||||||
|
|
||||||
|
// event.data.file has the ArrayBuffer.
|
||||||
|
onmessage = function(event) {
|
||||||
|
var ab = event.data.file;
|
||||||
|
untar(ab);
|
||||||
|
};
|
@ -0,0 +1,621 @@
|
|||||||
|
/**
|
||||||
|
* unzip.js
|
||||||
|
*
|
||||||
|
* Copyright(c) 2011 Google Inc.
|
||||||
|
* Copyright(c) 2011 antimatter15
|
||||||
|
*
|
||||||
|
* Reference Documentation:
|
||||||
|
*
|
||||||
|
* ZIP format: http://www.pkware.com/documents/casestudies/APPNOTE.TXT
|
||||||
|
* DEFLATE format: http://tools.ietf.org/html/rfc1951
|
||||||
|
*/
|
||||||
|
/* global bitjs, importScripts, Uint8Array */
|
||||||
|
|
||||||
|
// This file expects to be invoked as a Worker (see onmessage below).
|
||||||
|
importScripts("io.js");
|
||||||
|
importScripts("archive.js");
|
||||||
|
|
||||||
|
// Progress variables.
|
||||||
|
var currentFilename = "";
|
||||||
|
var currentFileNumber = 0;
|
||||||
|
var currentBytesUnarchivedInFile = 0;
|
||||||
|
var currentBytesUnarchived = 0;
|
||||||
|
var totalUncompressedBytesInArchive = 0;
|
||||||
|
var totalFilesInArchive = 0;
|
||||||
|
|
||||||
|
// Helper functions.
|
||||||
|
var info = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveInfoEvent(str));
|
||||||
|
};
|
||||||
|
var err = function(str) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveErrorEvent(str));
|
||||||
|
};
|
||||||
|
var postProgress = function() {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveProgressEvent(
|
||||||
|
currentFilename,
|
||||||
|
currentFileNumber,
|
||||||
|
currentBytesUnarchivedInFile,
|
||||||
|
currentBytesUnarchived,
|
||||||
|
totalUncompressedBytesInArchive,
|
||||||
|
totalFilesInArchive));
|
||||||
|
};
|
||||||
|
|
||||||
|
var zLocalFileHeaderSignature = 0x04034b50;
|
||||||
|
var zArchiveExtraDataSignature = 0x08064b50;
|
||||||
|
var zCentralFileHeaderSignature = 0x02014b50;
|
||||||
|
var zDigitalSignatureSignature = 0x05054b50;
|
||||||
|
//var zEndOfCentralDirSignature = 0x06064b50;
|
||||||
|
//var zEndOfCentralDirLocatorSignature = 0x07064b50;
|
||||||
|
|
||||||
|
// takes a ByteStream and parses out the local file information
|
||||||
|
var ZipLocalFile = function(bstream) {
|
||||||
|
if (typeof bstream !== typeof {} || !bstream.readNumber || typeof bstream.readNumber != typeof function() {} ) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
bstream.readNumber(4); // swallow signature
|
||||||
|
this.version = bstream.readNumber(2);
|
||||||
|
this.generalPurpose = bstream.readNumber(2);
|
||||||
|
this.compressionMethod = bstream.readNumber(2);
|
||||||
|
this.lastModFileTime = bstream.readNumber(2);
|
||||||
|
this.lastModFileDate = bstream.readNumber(2);
|
||||||
|
this.crc32 = bstream.readNumber(4);
|
||||||
|
this.compressedSize = bstream.readNumber(4);
|
||||||
|
this.uncompressedSize = bstream.readNumber(4);
|
||||||
|
this.fileNameLength = bstream.readNumber(2);
|
||||||
|
this.extraFieldLength = bstream.readNumber(2);
|
||||||
|
|
||||||
|
this.filename = null;
|
||||||
|
if (this.fileNameLength > 0) {
|
||||||
|
this.filename = bstream.readString(this.fileNameLength);
|
||||||
|
}
|
||||||
|
|
||||||
|
info("Zip Local File Header:");
|
||||||
|
info(" version=" + this.version);
|
||||||
|
info(" general purpose=" + this.generalPurpose);
|
||||||
|
info(" compression method=" + this.compressionMethod);
|
||||||
|
info(" last mod file time=" + this.lastModFileTime);
|
||||||
|
info(" last mod file date=" + this.lastModFileDate);
|
||||||
|
info(" crc32=" + this.crc32);
|
||||||
|
info(" compressed size=" + this.compressedSize);
|
||||||
|
info(" uncompressed size=" + this.uncompressedSize);
|
||||||
|
info(" file name length=" + this.fileNameLength);
|
||||||
|
info(" extra field length=" + this.extraFieldLength);
|
||||||
|
info(" filename = '" + this.filename + "'");
|
||||||
|
|
||||||
|
this.extraField = null;
|
||||||
|
if (this.extraFieldLength > 0) {
|
||||||
|
this.extraField = bstream.readString(this.extraFieldLength);
|
||||||
|
info(" extra field=" + this.extraField);
|
||||||
|
}
|
||||||
|
|
||||||
|
// read in the compressed data
|
||||||
|
this.fileData = null;
|
||||||
|
if (this.compressedSize > 0) {
|
||||||
|
this.fileData = new Uint8Array(bstream.bytes.buffer, bstream.ptr, this.compressedSize);
|
||||||
|
bstream.ptr += this.compressedSize;
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: deal with data descriptor if present (we currently assume no data descriptor!)
|
||||||
|
// "This descriptor exists only if bit 3 of the general purpose bit flag is set"
|
||||||
|
// But how do you figure out how big the file data is if you don't know the compressedSize
|
||||||
|
// from the header?!?
|
||||||
|
if ((this.generalPurpose & bitjs.BIT[3]) !== 0) {
|
||||||
|
this.crc32 = bstream.readNumber(4);
|
||||||
|
this.compressedSize = bstream.readNumber(4);
|
||||||
|
this.uncompressedSize = bstream.readNumber(4);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// determine what kind of compressed data we have and decompress
|
||||||
|
ZipLocalFile.prototype.unzip = function() {
|
||||||
|
|
||||||
|
// Zip Version 1.0, no compression (store only)
|
||||||
|
if (this.compressionMethod === 0 ) {
|
||||||
|
info("ZIP v" + this.version + ", store only: " + this.filename + " (" + this.compressedSize + " bytes)");
|
||||||
|
currentBytesUnarchivedInFile = this.compressedSize;
|
||||||
|
currentBytesUnarchived += this.compressedSize;
|
||||||
|
}
|
||||||
|
// version == 20, compression method == 8 (DEFLATE)
|
||||||
|
else if (this.compressionMethod === 8) {
|
||||||
|
info("ZIP v2.0, DEFLATE: " + this.filename + " (" + this.compressedSize + " bytes)");
|
||||||
|
this.fileData = inflate(this.fileData, this.uncompressedSize);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
err("UNSUPPORTED VERSION/FORMAT: ZIP v" + this.version + ", compression method=" + this.compressionMethod + ": " + this.filename + " (" + this.compressedSize + " bytes)");
|
||||||
|
this.fileData = null;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
// Takes an ArrayBuffer of a zip file in
|
||||||
|
// returns null on error
|
||||||
|
// returns an array of DecompressedFile objects on success
|
||||||
|
var unzip = function(arrayBuffer) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveStartEvent());
|
||||||
|
|
||||||
|
currentFilename = "";
|
||||||
|
currentFileNumber = 0;
|
||||||
|
currentBytesUnarchivedInFile = 0;
|
||||||
|
currentBytesUnarchived = 0;
|
||||||
|
totalUncompressedBytesInArchive = 0;
|
||||||
|
totalFilesInArchive = 0;
|
||||||
|
currentBytesUnarchived = 0;
|
||||||
|
|
||||||
|
var bstream = new bitjs.io.ByteStream(arrayBuffer);
|
||||||
|
// detect local file header signature or return null
|
||||||
|
if (bstream.peekNumber(4) === zLocalFileHeaderSignature) {
|
||||||
|
var localFiles = [];
|
||||||
|
// loop until we don't see any more local files
|
||||||
|
while (bstream.peekNumber(4) === zLocalFileHeaderSignature) {
|
||||||
|
var oneLocalFile = new ZipLocalFile(bstream);
|
||||||
|
// this should strip out directories/folders
|
||||||
|
if (oneLocalFile && oneLocalFile.uncompressedSize > 0 && oneLocalFile.fileData) {
|
||||||
|
localFiles.push(oneLocalFile);
|
||||||
|
totalUncompressedBytesInArchive += oneLocalFile.uncompressedSize;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
totalFilesInArchive = localFiles.length;
|
||||||
|
|
||||||
|
// got all local files, now sort them
|
||||||
|
localFiles.sort(function(a, b) {
|
||||||
|
var aname = a.filename.toLowerCase();
|
||||||
|
var bname = b.filename.toLowerCase();
|
||||||
|
return aname > bname ? 1 : -1;
|
||||||
|
});
|
||||||
|
|
||||||
|
// archive extra data record
|
||||||
|
if (bstream.peekNumber(4) === zArchiveExtraDataSignature) {
|
||||||
|
info(" Found an Archive Extra Data Signature");
|
||||||
|
|
||||||
|
// skipping this record for now
|
||||||
|
bstream.readNumber(4);
|
||||||
|
var archiveExtraFieldLength = bstream.readNumber(4);
|
||||||
|
bstream.readString(archiveExtraFieldLength);
|
||||||
|
}
|
||||||
|
|
||||||
|
// central directory structure
|
||||||
|
// TODO: handle the rest of the structures (Zip64 stuff)
|
||||||
|
if (bstream.peekNumber(4) === zCentralFileHeaderSignature) {
|
||||||
|
info(" Found a Central File Header");
|
||||||
|
|
||||||
|
// read all file headers
|
||||||
|
while (bstream.peekNumber(4) === zCentralFileHeaderSignature) {
|
||||||
|
bstream.readNumber(4); // signature
|
||||||
|
bstream.readNumber(2); // version made by
|
||||||
|
bstream.readNumber(2); // version needed to extract
|
||||||
|
bstream.readNumber(2); // general purpose bit flag
|
||||||
|
bstream.readNumber(2); // compression method
|
||||||
|
bstream.readNumber(2); // last mod file time
|
||||||
|
bstream.readNumber(2); // last mod file date
|
||||||
|
bstream.readNumber(4); // crc32
|
||||||
|
bstream.readNumber(4); // compressed size
|
||||||
|
bstream.readNumber(4); // uncompressed size
|
||||||
|
var fileNameLength = bstream.readNumber(2); // file name length
|
||||||
|
var extraFieldLength = bstream.readNumber(2); // extra field length
|
||||||
|
var fileCommentLength = bstream.readNumber(2); // file comment length
|
||||||
|
bstream.readNumber(2); // disk number start
|
||||||
|
bstream.readNumber(2); // internal file attributes
|
||||||
|
bstream.readNumber(4); // external file attributes
|
||||||
|
bstream.readNumber(4); // relative offset of local header
|
||||||
|
|
||||||
|
bstream.readString(fileNameLength); // file name
|
||||||
|
bstream.readString(extraFieldLength); // extra field
|
||||||
|
bstream.readString(fileCommentLength); // file comment
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// digital signature
|
||||||
|
if (bstream.peekNumber(4) === zDigitalSignatureSignature) {
|
||||||
|
info(" Found a Digital Signature");
|
||||||
|
|
||||||
|
bstream.readNumber(4);
|
||||||
|
var sizeOfSignature = bstream.readNumber(2);
|
||||||
|
bstream.readString(sizeOfSignature); // digital signature data
|
||||||
|
}
|
||||||
|
|
||||||
|
// report # files and total length
|
||||||
|
if (localFiles.length > 0) {
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
|
||||||
|
// now do the unzipping of each file
|
||||||
|
for (var i = 0; i < localFiles.length; ++i) {
|
||||||
|
var localfile = localFiles[i];
|
||||||
|
|
||||||
|
// update progress
|
||||||
|
currentFilename = localfile.filename;
|
||||||
|
currentFileNumber = i;
|
||||||
|
currentBytesUnarchivedInFile = 0;
|
||||||
|
|
||||||
|
// actually do the unzipping
|
||||||
|
localfile.unzip();
|
||||||
|
|
||||||
|
if (localfile.fileData !== null) {
|
||||||
|
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
|
||||||
|
postProgress();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
postProgress();
|
||||||
|
postMessage(new bitjs.archive.UnarchiveFinishEvent());
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// returns a table of Huffman codes
|
||||||
|
// each entry's index is its code and its value is a JavaScript object
|
||||||
|
// containing {length: 6, symbol: X}
|
||||||
|
function getHuffmanCodes(bitLengths) {
|
||||||
|
// ensure bitLengths is an array containing at least one element
|
||||||
|
if (typeof bitLengths !== typeof [] || bitLengths.length < 1) {
|
||||||
|
err("Error! getHuffmanCodes() called with an invalid array");
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Reference: http://tools.ietf.org/html/rfc1951#page-8
|
||||||
|
var numLengths = bitLengths.length,
|
||||||
|
blCount = [],
|
||||||
|
MAX_BITS = 1;
|
||||||
|
|
||||||
|
// Step 1: count up how many codes of each length we have
|
||||||
|
for (var i = 0; i < numLengths; ++i) {
|
||||||
|
var len = bitLengths[i];
|
||||||
|
// test to ensure each bit length is a positive, non-zero number
|
||||||
|
if (typeof len !== typeof 1 || len < 0) {
|
||||||
|
err("bitLengths contained an invalid number in getHuffmanCodes(): " + len + " of type " + (typeof len));
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
// increment the appropriate bitlength count
|
||||||
|
if (blCount[len] === undefined) blCount[len] = 0;
|
||||||
|
// a length of zero means this symbol is not participating in the huffman coding
|
||||||
|
if (len > 0) blCount[len]++;
|
||||||
|
|
||||||
|
if (len > MAX_BITS) MAX_BITS = len;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Step 2: Find the numerical value of the smallest code for each code length
|
||||||
|
var nextCode = [],
|
||||||
|
code = 0;
|
||||||
|
for (var bits = 1; bits <= MAX_BITS; ++bits) {
|
||||||
|
var len = bits-1;
|
||||||
|
// ensure undefined lengths are zero
|
||||||
|
if (blCount[len] == undefined) blCount[len] = 0;
|
||||||
|
code = (code + blCount[bits-1]) << 1;
|
||||||
|
nextCode[bits] = code;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Step 3: Assign numerical values to all codes
|
||||||
|
var table = {}, tableLength = 0;
|
||||||
|
for (var n = 0; n < numLengths; ++n) {
|
||||||
|
var len = bitLengths[n];
|
||||||
|
if (len !== 0) {
|
||||||
|
table[nextCode[len]] = { length: len, symbol: n }; //, bitstring: binaryValueToString(nextCode[len],len) };
|
||||||
|
tableLength++;
|
||||||
|
nextCode[len]++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
table.maxLength = tableLength;
|
||||||
|
|
||||||
|
return table;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
The Huffman codes for the two alphabets are fixed, and are not
|
||||||
|
represented explicitly in the data. The Huffman code lengths
|
||||||
|
for the literal/length alphabet are:
|
||||||
|
|
||||||
|
Lit Value Bits Codes
|
||||||
|
--------- ---- -----
|
||||||
|
0 - 143 8 00110000 through
|
||||||
|
10111111
|
||||||
|
144 - 255 9 110010000 through
|
||||||
|
111111111
|
||||||
|
256 - 279 7 0000000 through
|
||||||
|
0010111
|
||||||
|
280 - 287 8 11000000 through
|
||||||
|
11000111
|
||||||
|
*/
|
||||||
|
// fixed Huffman codes go from 7-9 bits, so we need an array whose index can hold up to 9 bits
|
||||||
|
var fixedHCtoLiteral = null;
|
||||||
|
var fixedHCtoDistance = null;
|
||||||
|
function getFixedLiteralTable() {
|
||||||
|
// create once
|
||||||
|
if (!fixedHCtoLiteral) {
|
||||||
|
var bitlengths = new Array(288);
|
||||||
|
for (var i = 0; i <= 143; ++i) bitlengths[i] = 8;
|
||||||
|
for (var i = 144; i <= 255; ++i) bitlengths[i] = 9;
|
||||||
|
for (var i = 256; i <= 279; ++i) bitlengths[i] = 7;
|
||||||
|
for (var i = 280; i <= 287; ++i) bitlengths[i] = 8;
|
||||||
|
|
||||||
|
// get huffman code table
|
||||||
|
fixedHCtoLiteral = getHuffmanCodes(bitlengths);
|
||||||
|
}
|
||||||
|
return fixedHCtoLiteral;
|
||||||
|
}
|
||||||
|
function getFixedDistanceTable() {
|
||||||
|
// create once
|
||||||
|
if (!fixedHCtoDistance) {
|
||||||
|
var bitlengths = new Array(32);
|
||||||
|
for (var i = 0; i < 32; ++i) {
|
||||||
|
bitlengths[i] = 5;
|
||||||
|
}
|
||||||
|
|
||||||
|
// get huffman code table
|
||||||
|
fixedHCtoDistance = getHuffmanCodes(bitlengths);
|
||||||
|
}
|
||||||
|
return fixedHCtoDistance;
|
||||||
|
}
|
||||||
|
|
||||||
|
// extract one bit at a time until we find a matching Huffman Code
|
||||||
|
// then return that symbol
|
||||||
|
function decodeSymbol(bstream, hcTable) {
|
||||||
|
var code = 0, len = 0;
|
||||||
|
// var match = false;
|
||||||
|
|
||||||
|
// loop until we match
|
||||||
|
for (;;) {
|
||||||
|
// read in next bit
|
||||||
|
var bit = bstream.readBits(1);
|
||||||
|
code = (code<<1) | bit;
|
||||||
|
++len;
|
||||||
|
|
||||||
|
// check against Huffman Code table and break if found
|
||||||
|
if (hcTable.hasOwnProperty(code) && hcTable[code].length == len) {
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (len > hcTable.maxLength) {
|
||||||
|
err("Bit stream out of sync, didn't find a Huffman Code, length was " + len +
|
||||||
|
" and table only max code length of " + hcTable.maxLength);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return hcTable[code].symbol;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
var CodeLengthCodeOrder = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];
|
||||||
|
/*
|
||||||
|
Extra Extra Extra
|
||||||
|
Code Bits Length(s) Code Bits Lengths Code Bits Length(s)
|
||||||
|
---- ---- ------ ---- ---- ------- ---- ---- -------
|
||||||
|
257 0 3 267 1 15,16 277 4 67-82
|
||||||
|
258 0 4 268 1 17,18 278 4 83-98
|
||||||
|
259 0 5 269 2 19-22 279 4 99-114
|
||||||
|
260 0 6 270 2 23-26 280 4 115-130
|
||||||
|
261 0 7 271 2 27-30 281 5 131-162
|
||||||
|
262 0 8 272 2 31-34 282 5 163-194
|
||||||
|
263 0 9 273 3 35-42 283 5 195-226
|
||||||
|
264 0 10 274 3 43-50 284 5 227-257
|
||||||
|
265 1 11,12 275 3 51-58 285 0 258
|
||||||
|
266 1 13,14 276 3 59-66
|
||||||
|
|
||||||
|
*/
|
||||||
|
var LengthLookupTable = [
|
||||||
|
[0, 3], [0, 4], [0, 5], [0, 6],
|
||||||
|
[0, 7], [0, 8], [0, 9], [0, 10],
|
||||||
|
[1, 11], [1, 13], [1, 15], [1, 17],
|
||||||
|
[2, 19], [2, 23], [2, 27], [2, 31],
|
||||||
|
[3, 35], [3, 43], [3, 51], [3, 59],
|
||||||
|
[4, 67], [4, 83], [4, 99], [4, 115],
|
||||||
|
[5, 131], [5, 163], [5, 195], [5, 227],
|
||||||
|
[0, 258]
|
||||||
|
];
|
||||||
|
/*
|
||||||
|
Extra Extra Extra
|
||||||
|
Code Bits Dist Code Bits Dist Code Bits Distance
|
||||||
|
---- ---- ---- ---- ---- ------ ---- ---- --------
|
||||||
|
0 0 1 10 4 33-48 20 9 1025-1536
|
||||||
|
1 0 2 11 4 49-64 21 9 1537-2048
|
||||||
|
2 0 3 12 5 65-96 22 10 2049-3072
|
||||||
|
3 0 4 13 5 97-128 23 10 3073-4096
|
||||||
|
4 1 5,6 14 6 129-192 24 11 4097-6144
|
||||||
|
5 1 7,8 15 6 193-256 25 11 6145-8192
|
||||||
|
6 2 9-12 16 7 257-384 26 12 8193-12288
|
||||||
|
7 2 13-16 17 7 385-512 27 12 12289-16384
|
||||||
|
8 3 17-24 18 8 513-768 28 13 16385-24576
|
||||||
|
9 3 25-32 19 8 769-1024 29 13 24577-32768
|
||||||
|
*/
|
||||||
|
var DistLookupTable = [
|
||||||
|
[0, 1], [0, 2], [0, 3], [0, 4],
|
||||||
|
[1, 5], [1, 7],
|
||||||
|
[2, 9], [2, 13],
|
||||||
|
[3, 17], [3, 25],
|
||||||
|
[4, 33], [4, 49],
|
||||||
|
[5, 65], [5, 97],
|
||||||
|
[6, 129], [6, 193],
|
||||||
|
[7, 257], [7, 385],
|
||||||
|
[8, 513], [8, 769],
|
||||||
|
[9, 1025], [9, 1537],
|
||||||
|
[10, 2049], [10, 3073],
|
||||||
|
[11, 4097], [11, 6145],
|
||||||
|
[12, 8193], [12, 12289],
|
||||||
|
[13, 16385], [13, 24577]
|
||||||
|
];
|
||||||
|
|
||||||
|
function inflateBlockData(bstream, hcLiteralTable, hcDistanceTable, buffer) {
|
||||||
|
/*
|
||||||
|
loop (until end of block code recognized)
|
||||||
|
decode literal/length value from input stream
|
||||||
|
if value < 256
|
||||||
|
copy value (literal byte) to output stream
|
||||||
|
otherwise
|
||||||
|
if value = end of block (256)
|
||||||
|
break from loop
|
||||||
|
otherwise (value = 257..285)
|
||||||
|
decode distance from input stream
|
||||||
|
|
||||||
|
move backwards distance bytes in the output
|
||||||
|
stream, and copy length bytes from this
|
||||||
|
position to the output stream.
|
||||||
|
*/
|
||||||
|
var numSymbols = 0, blockSize = 0;
|
||||||
|
for (;;) {
|
||||||
|
var symbol = decodeSymbol(bstream, hcLiteralTable);
|
||||||
|
++numSymbols;
|
||||||
|
if (symbol < 256) {
|
||||||
|
// copy literal byte to output
|
||||||
|
buffer.insertByte(symbol);
|
||||||
|
blockSize++;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
// end of block reached
|
||||||
|
if (symbol === 256) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
var lengthLookup = LengthLookupTable[symbol-257],
|
||||||
|
length = lengthLookup[1] + bstream.readBits(lengthLookup[0]),
|
||||||
|
distLookup = DistLookupTable[decodeSymbol(bstream, hcDistanceTable)],
|
||||||
|
distance = distLookup[1] + bstream.readBits(distLookup[0]);
|
||||||
|
|
||||||
|
// now apply length and distance appropriately and copy to output
|
||||||
|
|
||||||
|
// TODO: check that backward distance < data.length?
|
||||||
|
|
||||||
|
// http://tools.ietf.org/html/rfc1951#page-11
|
||||||
|
// "Note also that the referenced string may overlap the current
|
||||||
|
// position; for example, if the last 2 bytes decoded have values
|
||||||
|
// X and Y, a string reference with <length = 5, distance = 2>
|
||||||
|
// adds X,Y,X,Y,X to the output stream."
|
||||||
|
//
|
||||||
|
// loop for each character
|
||||||
|
var ch = buffer.ptr - distance;
|
||||||
|
blockSize += length;
|
||||||
|
if(length > distance) {
|
||||||
|
var data = buffer.data;
|
||||||
|
while (length--) {
|
||||||
|
buffer.insertByte(data[ch++]);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
buffer.insertBytes(buffer.data.subarray(ch, ch + length))
|
||||||
|
}
|
||||||
|
|
||||||
|
} // length-distance pair
|
||||||
|
} // length-distance pair or end-of-block
|
||||||
|
} // loop until we reach end of block
|
||||||
|
return blockSize;
|
||||||
|
}
|
||||||
|
|
||||||
|
// {Uint8Array} compressedData A Uint8Array of the compressed file data.
|
||||||
|
// compression method 8
|
||||||
|
// deflate: http://tools.ietf.org/html/rfc1951
|
||||||
|
function inflate(compressedData, numDecompressedBytes) {
|
||||||
|
// Bit stream representing the compressed data.
|
||||||
|
var bstream = new bitjs.io.BitStream(compressedData.buffer,
|
||||||
|
false /* rtl */,
|
||||||
|
compressedData.byteOffset,
|
||||||
|
compressedData.byteLength);
|
||||||
|
var buffer = new bitjs.io.ByteBuffer(numDecompressedBytes);
|
||||||
|
var numBlocks = 0;
|
||||||
|
var blockSize = 0;
|
||||||
|
|
||||||
|
// block format: http://tools.ietf.org/html/rfc1951#page-9
|
||||||
|
do {
|
||||||
|
var bFinal = bstream.readBits(1);
|
||||||
|
var bType = bstream.readBits(2);
|
||||||
|
blockSize = 0;
|
||||||
|
++numBlocks;
|
||||||
|
// no compression
|
||||||
|
if (bType == 0) {
|
||||||
|
// skip remaining bits in this byte
|
||||||
|
while (bstream.bitPtr != 0) bstream.readBits(1);
|
||||||
|
var len = bstream.readBits(16),
|
||||||
|
nlen = bstream.readBits(16);
|
||||||
|
// TODO: check if nlen is the ones-complement of len?
|
||||||
|
|
||||||
|
if(len > 0) buffer.insertBytes(bstream.readBytes(len));
|
||||||
|
blockSize = len;
|
||||||
|
}
|
||||||
|
// fixed Huffman codes
|
||||||
|
else if(bType === 1) {
|
||||||
|
blockSize = inflateBlockData(bstream, getFixedLiteralTable(), getFixedDistanceTable(), buffer);
|
||||||
|
}
|
||||||
|
// dynamic Huffman codes
|
||||||
|
else if(bType === 2) {
|
||||||
|
var numLiteralLengthCodes = bstream.readBits(5) + 257;
|
||||||
|
var numDistanceCodes = bstream.readBits(5) + 1,
|
||||||
|
numCodeLengthCodes = bstream.readBits(4) + 4;
|
||||||
|
|
||||||
|
// populate the array of code length codes (first de-compaction)
|
||||||
|
var codeLengthsCodeLengths = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
|
||||||
|
for (var i = 0; i < numCodeLengthCodes; ++i) {
|
||||||
|
codeLengthsCodeLengths[ CodeLengthCodeOrder[i] ] = bstream.readBits(3);
|
||||||
|
}
|
||||||
|
|
||||||
|
// get the Huffman Codes for the code lengths
|
||||||
|
var codeLengthsCodes = getHuffmanCodes(codeLengthsCodeLengths);
|
||||||
|
|
||||||
|
// now follow this mapping
|
||||||
|
/*
|
||||||
|
0 - 15: Represent code lengths of 0 - 15
|
||||||
|
16: Copy the previous code length 3 - 6 times.
|
||||||
|
The next 2 bits indicate repeat length
|
||||||
|
(0 = 3, ... , 3 = 6)
|
||||||
|
Example: Codes 8, 16 (+2 bits 11),
|
||||||
|
16 (+2 bits 10) will expand to
|
||||||
|
12 code lengths of 8 (1 + 6 + 5)
|
||||||
|
17: Repeat a code length of 0 for 3 - 10 times.
|
||||||
|
(3 bits of length)
|
||||||
|
18: Repeat a code length of 0 for 11 - 138 times
|
||||||
|
(7 bits of length)
|
||||||
|
*/
|
||||||
|
// to generate the true code lengths of the Huffman Codes for the literal
|
||||||
|
// and distance tables together
|
||||||
|
var literalCodeLengths = [];
|
||||||
|
var prevCodeLength = 0;
|
||||||
|
while (literalCodeLengths.length < numLiteralLengthCodes + numDistanceCodes) {
|
||||||
|
var symbol = decodeSymbol(bstream, codeLengthsCodes);
|
||||||
|
if (symbol <= 15) {
|
||||||
|
literalCodeLengths.push(symbol);
|
||||||
|
prevCodeLength = symbol;
|
||||||
|
}
|
||||||
|
else if (symbol === 16) {
|
||||||
|
var repeat = bstream.readBits(2) + 3;
|
||||||
|
while (repeat--) {
|
||||||
|
literalCodeLengths.push(prevCodeLength);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (symbol === 17) {
|
||||||
|
var repeat = bstream.readBits(3) + 3;
|
||||||
|
while (repeat--) {
|
||||||
|
literalCodeLengths.push(0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (symbol === 18) {
|
||||||
|
var repeat = bstream.readBits(7) + 11;
|
||||||
|
while (repeat--) {
|
||||||
|
literalCodeLengths.push(0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// now split the distance code lengths out of the literal code array
|
||||||
|
var distanceCodeLengths = literalCodeLengths.splice(numLiteralLengthCodes, numDistanceCodes);
|
||||||
|
|
||||||
|
// now generate the true Huffman Code tables using these code lengths
|
||||||
|
var hcLiteralTable = getHuffmanCodes(literalCodeLengths),
|
||||||
|
hcDistanceTable = getHuffmanCodes(distanceCodeLengths);
|
||||||
|
blockSize = inflateBlockData(bstream, hcLiteralTable, hcDistanceTable, buffer);
|
||||||
|
}
|
||||||
|
// error
|
||||||
|
else {
|
||||||
|
err("Error! Encountered deflate block of type 3");
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
// update progress
|
||||||
|
currentBytesUnarchivedInFile += blockSize;
|
||||||
|
currentBytesUnarchived += blockSize;
|
||||||
|
postProgress();
|
||||||
|
|
||||||
|
} while (bFinal !== 1);
|
||||||
|
// we are done reading blocks if the bFinal bit was set for this block
|
||||||
|
|
||||||
|
// return the buffer data bytes
|
||||||
|
return buffer.data;
|
||||||
|
}
|
||||||
|
|
||||||
|
// event.data.file has the ArrayBuffer.
|
||||||
|
onmessage = function(event) {
|
||||||
|
unzip(event.data.file, true);
|
||||||
|
};
|
Binary file not shown.
Binary file not shown.
Binary file not shown.
File diff suppressed because it is too large
Load Diff
Binary file not shown.
File diff suppressed because it is too large
Load Diff
Binary file not shown.
Binary file not shown.
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Loading…
Reference in New Issue