lib/lyx2lyx/lyxconvert_223.py

   1 # This file is part of lyx2lyx
   2 # -*- coding: iso-8859-1 -*-
   3 # Copyright (C) 2002 Dekel Tsur <dekel@lyx.org>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 import string
  20 import re
  21 from parser_tools import find_token, find_end_of
  22
  23 def convert_external(lines):
  24     external_rexp = re.compile(r'\\begin_inset External ([^,]*),"([^"]*)",')
  25     external_header = "\\begin_inset External"
  26     i = 0
  27     while 1:
  28         i = find_token(lines, external_header, i)
  29         if i == -1:
  30             break
  31         look = external_rexp.search(lines[i])
  32         args = ['','']
  33         if look:
  34             args[0] = look.group(1)
  35             args[1] = look.group(2)
  36         #FIXME: if the previous search fails then warn
  37
  38         if args[0] == "RasterImage":
  39             # Convert a RasterImage External Inset to a Graphics Inset.
  40             top = "\\begin_inset Graphics"
  41             if args[1]:
  42                 filename = "\tfilename " + args[1]
  43             lines[i:i+1] = [top, filename]
  44             i = i + 1
  45         else:
  46             # Convert the old External Inset format to the new.
  47             top = external_header
  48             template = "\ttemplate " + args[0]
  49             if args[1]:
  50                 filename = "\tfilename " + args[1]
  51                 lines[i:i+1] = [top, template, filename]
  52                 i = i + 2
  53             else:
  54                 lines[i:i+1] = [top, template]
  55                 i = i + 1
  56
  57
  58 def convert_comment(lines):
  59     i = 0
  60     comment = "\\layout Comment"
  61     while 1:
  62         i = find_token(lines, comment, i)
  63         if i == -1:
  64             return
  65
  66         lines[i:i+1] = ["\\layout Standard","","",
  67                         "\\begin_inset Comment",
  68                         "collapsed true","",
  69                         "\\layout Standard"]
  70         i = i + 7
  71
  72         while 1:
  73                 old_i = i
  74                 i = find_token(lines, "\\layout", i)
  75                 if i == -1:
  76                     i = len(lines) - 1
  77                     lines[i:i] = ["\\end_inset ","",""]
  78                     return
  79
  80                 j = find_token(lines, '\\begin_deeper', old_i, i)
  81                 if j == -1: j = i + 1
  82                 k = find_token(lines, '\\begin_inset', old_i, i)
  83                 if k == -1: k = i + 1
  84
  85                 if j < i and j < k:
  86                     i = j
  87                     del lines[i]
  88                     i = find_end_of( lines, i, "\\begin_deeper","\\end_deeper")
  89                     if i == -1:
  90                         #This case should not happen
  91                         #but if this happens deal with it greacefully adding
  92                         #the missing \end_deeper.
  93                         i = len(lines) - 1
  94                         lines[i:i] = ["\end_deeper","","","\\end_inset ","",""]
  95                         return
  96                     else:
  97                         del lines[i]
  98                         continue
  99
 100                 if k < i:
 101                     i = k
 102                     i = find_end_of( lines, i, "\\begin_inset","\\end_inset")
 103                     if i == -1:
 104                         #This case should not happen
 105                         #but if this happens deal with it greacefully adding
 106                         #the missing \end_inset.
 107                         i = len(lines) - 1
 108                         lines[i:i] = ["\\end_inset ","","","\\end_inset ","",""]
 109                         return
 110                     else:
 111                         i = i + 1
 112                         continue
 113
 114                 if string.find(lines[i], comment) == -1:
 115                     lines[i:i] = ["\\end_inset"]
 116                     i = i + 1
 117                     break
 118                 lines[i:i+1] = ["\\layout Standard"]
 119                 i = i + 1
 120
 121 def convert(header, body):
 122     convert_external(body)
 123     convert_comment(body)
 124
 125 if __name__ == "__main__":
 126     pass