import re
import unicodedata
+import sys, os
from parser_tools import find_re, find_token, find_token_backwards, find_token_exact, find_tokens, find_end_of, get_value, find_beginning_of, find_nonempty_line
from LyX import get_encoding
document.body[i] = '\lang arabic'
i = i + 1
+def revert_unicode(document):
+ '''Transform unicode symbols according to the unicode list.
+Preamble flags are not implemented.
+Combination characters are currently ignored.
+Forced output is currently not enforced'''
+ pathname = os.path.dirname(sys.argv[0])
+ fp = open(pathname.strip('lyx2lyx') + 'unicodesymbols','r')
+ spec_chars = {}
+ for line in fp.readlines():
+ if line[0] != '#':
+ line=line.replace('"','') #remove all qoutation marks
+ try:
+ # flag1 and flag2 are preamble & flags
+ # currently NOT impemented
+ [ucs4,command,flag1,flag2] =line.split(None,3)
+ spec_chars[unichr(eval(ucs4))] = [command, flag1, flag2]
+ except:
+ pass
+ fp.close()
+ #Define strings to start and end ERT and math insets
+ ert_intro='\n\n\\begin_inset ERT\nstatus collapsed\n\\begin_layout Standard\n\\backslash\n'
+ ert_outro='\n\\end_layout\n\n\\end_inset\n\n'
+ math_intro='\n\\begin_inset Formula $'
+ math_outro='$\n\\end_inset\n'
+ # Find unicode characters and replace them
+ in_ert = 0 # flag set to 1 if in ERT inset
+ in_math = 0 # flag set to 1 if in math inset
+ insets = [] # list of active insets
+ for i, current_line in enumerate(document.body):
+ if current_line.find('\\begin_inset') > -1:
+ # check which inset to start
+ if current_line.find('\\begin_inset ERT') > -1:
+ in_ert = 1
+ insets.append('ert')
+ elif current_line.find('\\begin_inset Formula') > -1:
+ in_math = 1
+ insets.append('math')
+ else:
+ insets.append('other')
+ if current_line.find('\\end_inset') > -1:
+ # check which inset to end
+ try:
+ cur_inset = insets.pop()
+ if cur_inset == 'ert':
+ in_ert = 0
+ elif cur_inset == 'math':
+ in_math = 0
+ else:
+ pass # end of other inset
+ except:
+ pass # inset list was empty (for some reason)
+ current_line=''; # clear to have as container for modified line
+ for j in range(len(document.body[i])):
+ if spec_chars.has_key(document.body[i][j]):
+ flags = spec_chars[document.body[i][j]][1] + spec_chars[document.body[i][j]][2]
+ if flags.find('combining') > -1:
+ command = ''
+ else:
+ command = spec_chars[document.body[i][j]][0]; # the command to replace unicode
+ if command[0:2] == '\\\\':
+ if command[2:12]=='ensuremath':
+ if in_ert == 1:
+ # math in ERT
+ command = command.replace('\\\\ensuremath{\\\\', '$\n\\backslash\n')
+ command = command.replace('}', '$\n')
+ elif in_math == 0:
+ # add a math inset with the replacement character
+ command = command.replace('\\\\ensuremath{\\', math_intro)
+ command = command.replace('}', math_outro)
+ else:
+ # we are already in a math inset
+ command = command.replace('\\\\ensuremath{\\', '')
+ command = command.replace('}', '')
+ else:
+ if in_math == 1:
+ # avoid putting an ERT in a math; instead put command as text
+ command = command.replace('\\\\', '\mathrm{')
+ command = command + '}'
+ elif in_ert == 0:
+ # add an ERT inset with the replacement character
+ command = command.replace('\\\\', ert_intro)
+ command = command + ert_outro
+ else:
+ command = command.replace('\\\\', '\n\\backslash\n')
+ current_line = current_line + command
+ else:
+ current_line = current_line + document.body[i][j]
+ document.body[i] = current_line
+
+
##
# Conversion hub
#
[251, [revert_commandparams]],
[250, [revert_cs_label]],
[249, []],
- [248, [revert_accent, revert_utf8]],
+ [248, [revert_accent, revert_utf8, revert_unicode]],
[247, [revert_booktabs]],
[246, [revert_font_settings]],
[245, [revert_framed]]]