mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-29 21:05:12 +00:00
b36c13278b
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8706 a592a061-630c-0410-9148-cb99ea01b6c8
357 lines
9.6 KiB
Python
357 lines
9.6 KiB
Python
# This file is part of lyx2lyx
|
|
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
import string
|
|
import re
|
|
|
|
def check_token(line, token):
|
|
if line[:len(token)] == token:
|
|
return 1
|
|
return 0
|
|
|
|
# We need to check that the char after the token is space, but I think
|
|
# we can ignore this
|
|
def find_token(lines, token, start, end = 0):
|
|
if end == 0:
|
|
end = len(lines)
|
|
m = len(token)
|
|
for i in xrange(start, end):
|
|
if lines[i][:m] == token:
|
|
return i
|
|
return -1
|
|
|
|
def find_token2(lines, token, start, end = 0):
|
|
if end == 0:
|
|
end = len(lines)
|
|
for i in xrange(start, end):
|
|
x = string.split(lines[i])
|
|
if len(x) > 0 and x[0] == token:
|
|
return i
|
|
return -1
|
|
|
|
def find_tokens(lines, tokens, start, end = 0):
|
|
if end == 0:
|
|
end = len(lines)
|
|
for i in xrange(start, end):
|
|
line = lines[i]
|
|
for token in tokens:
|
|
if line[:len(token)] == token:
|
|
return i
|
|
return -1
|
|
|
|
def find_re(lines, rexp, start, end = 0):
|
|
if end == 0:
|
|
end = len(lines)
|
|
for i in xrange(start, end):
|
|
if rexp.match(lines[i]):
|
|
return i
|
|
return -1
|
|
|
|
def find_token_backwards(lines, token, start):
|
|
m = len(token)
|
|
for i in xrange(start, -1, -1):
|
|
line = lines[i]
|
|
if line[:m] == token:
|
|
return i
|
|
return -1
|
|
|
|
def find_tokens_backwards(lines, tokens, start):
|
|
for i in xrange(start, -1, -1):
|
|
line = lines[i]
|
|
for token in tokens:
|
|
if line[:len(token)] == token:
|
|
return i
|
|
return -1
|
|
|
|
def get_value(lines, token, start, end = 0):
|
|
i = find_token2(lines, token, start, end)
|
|
if i == -1:
|
|
return ""
|
|
if len(string.split(lines[i])) > 1:
|
|
return string.split(lines[i])[1]
|
|
else:
|
|
return ""
|
|
|
|
def del_token(lines, token, i, j):
|
|
k = find_token2(lines, token, i, j)
|
|
if k == -1:
|
|
return j
|
|
else:
|
|
del lines[k]
|
|
return j-1
|
|
|
|
# Finds the paragraph that contains line i.
|
|
def get_paragraph(lines, i):
|
|
while i != -1:
|
|
i = find_tokens_backwards(lines, ["\\end_inset", "\\layout"], i)
|
|
if i == -1: return -1
|
|
if check_token(lines[i], "\\layout"):
|
|
return i
|
|
i = find_beginning_of_inset(lines, i)
|
|
return -1
|
|
|
|
# Finds the paragraph after the paragraph that contains line i.
|
|
def get_next_paragraph(lines, i):
|
|
while i != -1:
|
|
i = find_tokens(lines, ["\\begin_inset", "\\layout", "\\end_float", "\\the_end"], i)
|
|
if not check_token(lines[i], "\\begin_inset"):
|
|
return i
|
|
i = find_end_of_inset(lines, i)
|
|
return -1
|
|
|
|
def find_end_of(lines, i, start_token, end_token):
|
|
count = 1
|
|
n = len(lines)
|
|
while i < n:
|
|
i = find_tokens(lines, [end_token, start_token], i+1)
|
|
if check_token(lines[i], start_token):
|
|
count = count+1
|
|
else:
|
|
count = count-1
|
|
if count == 0:
|
|
return i
|
|
return -1
|
|
|
|
# Finds the matching \end_inset
|
|
def find_beginning_of(lines, i, start_token, end_token):
|
|
count = 1
|
|
while i > 0:
|
|
i = find_tokens_backwards(lines, [start_token, end_token], i-1)
|
|
if check_token(lines[i], end_token):
|
|
count = count+1
|
|
else:
|
|
count = count-1
|
|
if count == 0:
|
|
return i
|
|
return -1
|
|
|
|
# Finds the matching \end_inset
|
|
def find_end_of_inset(lines, i):
|
|
return find_end_of(lines, i, "\\begin_inset", "\\end_inset")
|
|
|
|
# Finds the matching \end_inset
|
|
def find_beginning_of_inset(lines, i):
|
|
return find_beginning_of(lines, i, "\\begin_inset", "\\end_inset")
|
|
|
|
def find_end_of_tabular(lines, i):
|
|
return find_end_of(lines, i, "<lyxtabular", "</lyxtabular")
|
|
|
|
def get_tabular_lines(lines, i):
|
|
result = []
|
|
i = i+1
|
|
j = find_end_of_tabular(lines, i)
|
|
if j == -1:
|
|
return []
|
|
|
|
while i <= j:
|
|
if check_token(lines[i], "\\begin_inset"):
|
|
i = find_end_of_inset(lines, i)+1
|
|
else:
|
|
result.append(i)
|
|
i = i+1
|
|
return result
|
|
|
|
def is_nonempty_line(line):
|
|
return line != " "*len(line)
|
|
|
|
def find_nonempty_line(lines, start, end = 0):
|
|
if end == 0:
|
|
end = len(lines)
|
|
for i in xrange(start, end):
|
|
if is_nonempty_line(lines[i]):
|
|
return i
|
|
return -1
|
|
|
|
##
|
|
# Tools for file reading
|
|
#
|
|
def read_file(header, body, opt):
|
|
"""Reads a file into the header and body parts"""
|
|
preamble = 0
|
|
|
|
while 1:
|
|
line = opt.input.readline()
|
|
if not line:
|
|
opt.error("Invalid LyX file.")
|
|
|
|
line = line[:-1]
|
|
if check_token(line, '\\begin_preamble'):
|
|
preamble = 1
|
|
if check_token(line, '\\end_preamble'):
|
|
preamble = 0
|
|
|
|
if not preamble:
|
|
line = string.strip(line)
|
|
|
|
if not line and not preamble:
|
|
break
|
|
|
|
header.append(line)
|
|
|
|
while 1:
|
|
line = opt.input.readline()
|
|
if not line:
|
|
break
|
|
body.append(line[:-1])
|
|
|
|
def write_file(header, body, opt):
|
|
for line in header:
|
|
opt.output.write(line+"\n")
|
|
opt.output.write("\n")
|
|
for line in body:
|
|
opt.output.write(line+"\n")
|
|
|
|
##
|
|
# lyx version
|
|
#
|
|
original_version = re.compile(r"\#LyX (\S*)")
|
|
|
|
def read_version(header):
|
|
for line in header:
|
|
if line[0] != "#":
|
|
return None
|
|
|
|
result = original_version.match(line)
|
|
if result:
|
|
return result.group(1)
|
|
return None
|
|
|
|
def set_version(lines, version):
|
|
lines[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version
|
|
if lines[1][0] == '#':
|
|
del lines[1]
|
|
|
|
##
|
|
# file format version
|
|
#
|
|
format_re = re.compile(r"(\d)[\.,]?(\d\d)")
|
|
fileformat = re.compile(r"\\lyxformat\s*(\S*)")
|
|
lst_ft = [210, 215, 216, 217, 218, 220, 221, 223, 224, 225, 226, 227, 228, 229,
|
|
230, 231, 232, 233]
|
|
|
|
format_relation = [("0_10", [210], ["0.10.7","0.10"]),
|
|
("0_12", [215], ["0.12","0.12.1","0.12"]),
|
|
("1_0_0", [215], ["1.0.0","1.0"]),
|
|
("1_0_1", [215], ["1.0.1","1.0.2","1.0.3","1.0.4", "1.1.2","1.1"]),
|
|
("1_1_4", [215], ["1.1.4","1.1"]),
|
|
("1_1_5", [216], ["1.1.5","1.1.5fix1","1.1.5fix2","1.1"]),
|
|
("1_1_6", [217], ["1.1.6","1.1.6fix1","1.1.6fix2","1.1"]),
|
|
("1_1_6fix3", [218], ["1.1.6fix3","1.1.6fix4","1.1"]),
|
|
("1_2", [220], ["1.2.0","1.2.1","1.2.3","1.2.4","1.2"]),
|
|
("1_3", [221], ["1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3"]),
|
|
("1_4", [223,224,225,226,227,228,229,230,231,232,233], ["1.4.0cvs","1.4"])]
|
|
|
|
def lyxformat(format, opt):
|
|
result = format_re.match(format)
|
|
if result:
|
|
format = int(result.group(1) + result.group(2))
|
|
else:
|
|
opt.error(str(format) + ": " + "Invalid LyX file.")
|
|
|
|
if format in lst_ft:
|
|
return format
|
|
|
|
opt.error(str(format) + ": " + "Format no supported.")
|
|
return None
|
|
|
|
def read_format(header, opt):
|
|
for line in header:
|
|
result = fileformat.match(line)
|
|
if result:
|
|
return lyxformat(result.group(1), opt)
|
|
else:
|
|
opt.error("Invalid LyX File.")
|
|
return None
|
|
|
|
def set_format(lines, number):
|
|
if int(number) <= 217:
|
|
number = float(number)/100
|
|
i = find_token(lines, "\\lyxformat", 0)
|
|
lines[i] = "\\lyxformat %s" % number
|
|
|
|
def get_end_format():
|
|
return format_relation[-1:][0][1][-1:][0]
|
|
|
|
def chain(opt, initial_version):
|
|
""" This is where all the decisions related with the convertion are taken"""
|
|
|
|
format = opt.format
|
|
if opt.start:
|
|
if opt.start != format:
|
|
opt.warning("%s: %s %s" % ("Proposed file format and input file formats do not match:", opt.start, format))
|
|
else:
|
|
opt.start = format
|
|
|
|
if not opt.end:
|
|
opt.end = get_end_format()
|
|
|
|
correct_version = 0
|
|
|
|
for rel in format_relation:
|
|
if initial_version in rel[2]:
|
|
if format in rel[1]:
|
|
initial_step = rel[0]
|
|
correct_version = 1
|
|
break
|
|
|
|
if not correct_version:
|
|
if format <= 215:
|
|
opt.warning("Version does not match file format, discarding it.")
|
|
for rel in format_relation:
|
|
if format in rel[1]:
|
|
initial_step = rel[0]
|
|
break
|
|
else:
|
|
# This should not happen, really.
|
|
opt.error("Format not supported.")
|
|
|
|
# Find the final step
|
|
for rel in format_relation:
|
|
if opt.end in rel[1]:
|
|
final_step = rel[0]
|
|
break
|
|
else:
|
|
opt.error("Format not supported.")
|
|
|
|
# Convertion mode, back or forth
|
|
steps = []
|
|
if (initial_step, opt.start) < (final_step, opt.end):
|
|
mode = "convert"
|
|
first_step = 1
|
|
for step in format_relation:
|
|
if initial_step <= step[0] <= final_step:
|
|
if first_step and len(step[1]) == 1:
|
|
first_step = 0
|
|
continue
|
|
steps.append(step[0])
|
|
else:
|
|
mode = "revert"
|
|
relation_format = format_relation
|
|
relation_format.reverse()
|
|
last_step = None
|
|
|
|
for step in relation_format:
|
|
if final_step <= step[0] <= initial_step:
|
|
steps.append(step[0])
|
|
last_step = step
|
|
|
|
if last_step[1][-1] == opt.end:
|
|
steps.pop()
|
|
|
|
return mode, steps
|