lib/lyx2lyx/lyxconvert_223.py

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