lib/lyx2lyx/lyxconvert_224.py

   1 # This file is part of lyx2lyx
   2 # Copyright (C) 2003 José Matos <jamatos@fep.up.pt>
   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 re
  19 from parser_tools import find_token, find_tokens, find_end_of_inset
  20 from sys import stderr
  21 from string import replace, split
  22
  23 def add_end_layout(lines):
  24     i = find_token(lines, '\\layout', 0)
  25
  26     if i == -1:
  27         return
  28
  29     i = i + 1
  30     struct_stack = ["\\layout"]
  31     while 1:
  32         i = find_tokens(lines, ["\\begin_inset", "\\end_inset", "\\layout",
  33                                 "\\begin_deeper", "\\end_deeper", "\\the_end"], i)
  34
  35         token = split(lines[i])[0]
  36
  37         if token == "\\begin_inset":
  38             struct_stack.append(token)
  39             i = i + 1
  40             continue
  41
  42         if token == "\\end_inset":
  43             tail = struct_stack.pop()
  44             if tail == "\\layout":
  45                 lines.insert(i,"\\end_layout")
  46                 i = i + 1
  47                 #Check if it is the correct tag
  48                 struct_stack.pop()
  49             i = i + 1
  50             continue
  51
  52         if token == "\\layout":
  53             tail = struct_stack.pop()
  54             if tail == token:
  55                 lines.insert(i,"\\end_layout")
  56                 i = i + 2
  57             else:
  58                 struct_stack.append(tail)
  59                 i = i + 1
  60             struct_stack.append(token)
  61             continue
  62
  63         if token == "\\begin_deeper" or token == "\\end_deeper":
  64             lines.insert(i,"\\end_layout")
  65             i = i + 2
  66             continue
  67
  68         #case \end_document
  69         lines.insert(i, "\\end_layout")
  70         return
  71
  72 def layout2begin_layout(lines):
  73     i = 0
  74     while 1:
  75         i = find_token(lines, '\\layout', i)
  76         if i == -1:
  77             return
  78
  79         lines[i] = replace(lines[i], '\\layout', '\\begin_layout')
  80         i = i + 1
  81
  82 def valignment_middle(lines, start, end):
  83     for i in range(start, end):
  84         if re.search('^<(column|cell) .*valignment="center".*>$', lines[i]):
  85             lines[i] = replace(lines[i], 'valignment="center"', 'valignment="middle"')
  86
  87 def table_valignment_middle(lines):
  88     i = 0
  89     while 1:
  90         i = find_token(lines, '\\begin_inset  Tabular', i)
  91         if i == -1:
  92             return
  93         j = find_end_of_inset(lines, i + 1)
  94         if j == -1:
  95             #this should not happen
  96             valignment_middle(lines, i + 1, len(lines))
  97             return
  98         valignment_middle(lines, i + 1, j)
  99         i = j + 1
 100
 101 def end_document(lines):
 102     i = find_token(lines, "\\the_end", 0)
 103     if i == -1:
 104         lines.append("\\end_document")
 105         return
 106     lines[i] = "\\end_document"
 107
 108 def convert(header, body):
 109     add_end_layout(body)
 110     layout2begin_layout(body)
 111     end_document(body)
 112     table_valignment_middle(body)
 113
 114 if __name__ == "__main__":
 115     pass