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94 lines
2.3 KiB
Python

6 years ago
import linecache
import textwrap
import sys
from sys import exit
import os
from os import path
class LeavingProgram(Exception):
pass
def parse(program):
cmds = program.split(',')
splitted_cmds = []
for cmd in cmds:
splitted = cmd.split()
splitted_cmds.append(splitted)
return splitted_cmds
def tokenize(s):
return s.split()
def repl():
while True:
try:
val = eval(parse(input('> ')))
if val is not None:
print(val)
except LeavingProgram:
break
text = None
line_number = 0
last_index = 0
def eval(cmds):
global text
global line_number
global last_index
global pattern
for cmd in cmds:
if cmd == []:
line_number += 1
last_index = 0
elif cmd[0] == 'load':
contents = open('text/yourfile.txt').read()
text = textwrap.wrap(contents, 40, break_long_words=True)
print('\n'.join(text))
line_number = 0
last_index = 0
elif cmd[0] == 'show':
print(text[line_number])
elif cmd[0] == 'under':
current_line = text[line_number]
char_number = int(cmd[1]) - 1
char_list = list(current_line)
x=range(last_index, char_number + last_index + 1)
for time in x:
if time < len(char_list):
char_list[time] = u'\u21e2'
last_index += char_number + 1
joined = ''.join(char_list)
text[line_number] = joined
elif cmd[0] == 'over':
last_index += int(cmd[1])
elif cmd[0] == 'pattern':
pattern = text[0:line_number + 1]
print('\n'.join(pattern))
elif cmd[0] == 'save':
pattern = text[0:line_number + 1]
pattern_file = open('output/patternfile.txt', 'w')
pattern_file.write('\n'.join(pattern))
pattern_file.close()
print('Your pattern has been saved in the output folder.')
elif cmd[0] == 'quit':
print('Come back soon!')
raise LeavingProgram()
else:
joined = ' '.join(cmd)
print('Did not understand command {}'.format(joined))
if __name__ == '__main__':
repl()