lyx_mirror/lib/lyx2lyx/lyx_2_2.py
2014-07-05 13:38:55 +02:00

318 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of lyx2lyx
# -*- coding: utf-8 -*-
# Copyright (C) 2011 The LyX team
#
# 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.
""" Convert files to the file format generated by lyx 2.2"""
import re, string
import unicodedata
import sys, os
# Uncomment only what you need to import, please.
#from parser_tools import find_token, find_end_of, find_tokens, \
# find_token_exact, find_end_of_inset, find_end_of_layout, \
# find_token_backwards, is_in_inset, get_value, get_quoted_value, \
# del_token, check_token, get_option_value
#from lyx2lyx_tools import add_to_preamble, insert_to_preamble, \
# put_cmd_in_ert, lyx2latex, latex_length, revert_flex_inset, \
# revert_font_attrs, hex2ratio, str2bool
from parser_tools import find_token, find_token_backwards, find_re, \
find_end_of_inset, find_end_of_layout, find_nonempty_line, \
get_containing_layout, get_value, check_token
###############################################################################
###
### Conversion and reversion routines
###
###############################################################################
def convert_separator(document):
"""
Convert layout separators to separator insets and add (LaTeX) paragraph
breaks in order to mimic previous LaTeX export.
"""
parins = ["\\begin_inset Separator parbreak", "\\end_inset", ""]
parlay = ["\\begin_layout Standard", "\\begin_inset Separator parbreak",
"\\end_inset", "", "\\end_layout", ""]
sty_dict = {
"family" : "default",
"series" : "default",
"shape" : "default",
"size" : "default",
"bar" : "default",
"color" : "inherit"
}
i = 0
while 1:
i = find_token(document.body, "\\begin_deeper", i)
if i == -1:
break
j = find_token_backwards(document.body, "\\end_layout", i-1)
if j != -1:
# reset any text style before inserting the inset
lay = get_containing_layout(document.body, j-1)
if lay != False:
content = "\n".join(document.body[lay[1]:lay[2]])
for val in sty_dict.keys():
if content.find("\\%s" % val) != -1:
document.body[j:j] = ["\\%s %s" % (val, sty_dict[val])]
i = i + 1
j = j + 1
document.body[j:j] = parins
i = i + len(parins) + 1
else:
i = i + 1
i = 0
while 1:
i = find_token(document.body, "\\align", i)
if i == -1:
break
lay = get_containing_layout(document.body, i)
if lay != False and lay[0] == "Plain Layout":
i = i + 1
continue
j = find_token_backwards(document.body, "\\end_layout", i-1)
if j != -1:
lay = get_containing_layout(document.body, j-1)
if lay != False and lay[0] == "Standard" \
and find_token(document.body, "\\align", lay[1], lay[2]) == -1 \
and find_token(document.body, "\\begin_inset VSpace", lay[1], lay[2]) == -1:
# reset any text style before inserting the inset
content = "\n".join(document.body[lay[1]:lay[2]])
for val in sty_dict.keys():
if content.find("\\%s" % val) != -1:
document.body[j:j] = ["\\%s %s" % (val, sty_dict[val])]
i = i + 1
j = j + 1
document.body[j:j] = parins
i = i + len(parins) + 1
else:
i = i + 1
else:
i = i + 1
regexp = re.compile(r'^\\begin_layout (?:(-*)|(\s*))(Separator|EndOfSlide)(?:(-*)|(\s*))$', re.IGNORECASE)
i = 0
while 1:
i = find_re(document.body, regexp, i)
if i == -1:
return
j = find_end_of_layout(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Missing `\\end_layout'.")
return
lay = get_containing_layout(document.body, j-1)
if lay != False:
lines = document.body[lay[3]:lay[2]]
else:
lines = []
document.body[i:j+1] = parlay
if len(lines) > 0:
document.body[i+1:i+1] = lines
i = i + len(parlay) + len(lines) + 1
def revert_separator(document):
" Revert separator insets to layout separators "
beamer_classes = ["beamer", "article-beamer", "scrarticle-beamer"]
if document.textclass in beamer_classes:
beglaysep = "\\begin_layout Separator"
else:
beglaysep = "\\begin_layout --Separator--"
parsep = [beglaysep, "", "\\end_layout", ""]
comert = ["\\begin_inset ERT", "status collapsed", "",
"\\begin_layout Plain Layout", "%", "\\end_layout",
"", "\\end_inset", ""]
empert = ["\\begin_inset ERT", "status collapsed", "",
"\\begin_layout Plain Layout", " ", "\\end_layout",
"", "\\end_inset", ""]
i = 0
while 1:
i = find_token(document.body, "\\begin_inset Separator", i)
if i == -1:
return
lay = get_containing_layout(document.body, i)
if lay == False:
document.warning("Malformed LyX document: Can't convert separator inset at line " + str(i))
i = i + 1
continue
layoutname = lay[0]
beg = lay[1]
end = lay[2]
kind = get_value(document.body, "\\begin_inset Separator", i, i+1, "plain").split()[1]
before = document.body[beg+1:i]
something_before = len(before) > 0 and len("".join(before)) > 0
j = find_end_of_inset(document.body, i)
after = document.body[j+1:end]
something_after = len(after) > 0 and len("".join(after)) > 0
if kind == "plain":
beg = beg + len(before) + 1
elif something_before:
document.body[i:i] = ["\\end_layout", ""]
i = i + 2
j = j + 2
beg = i
end = end + 2
if kind == "plain":
if something_after:
document.body[beg:j+1] = empert
i = i + len(empert)
else:
document.body[beg:j+1] = comert
i = i + len(comert)
else:
if something_after:
if layoutname == "Standard":
if not something_before:
document.body[beg:j+1] = parsep
i = i + len(parsep)
document.body[i:i] = ["", "\\begin_layout Standard"]
i = i + 2
else:
document.body[beg:j+1] = ["\\begin_layout Standard"]
i = i + 1
else:
document.body[beg:j+1] = ["\\begin_deeper"]
i = i + 1
end = end + 1 - (j + 1 - beg)
if not something_before:
document.body[i:i] = parsep
i = i + len(parsep)
end = end + len(parsep)
document.body[i:i] = ["\\begin_layout Standard"]
document.body[end+2:end+2] = ["", "\\end_deeper", ""]
i = i + 4
else:
next_par_is_aligned = False
k = find_nonempty_line(document.body, end+1)
if k != -1 and check_token(document.body[k], "\\begin_layout"):
lay = get_containing_layout(document.body, k)
next_par_is_aligned = lay != False and \
find_token(document.body, "\\align", lay[1], lay[2]) != -1
if k != -1 and not next_par_is_aligned \
and not check_token(document.body[k], "\\end_deeper") \
and not check_token(document.body[k], "\\begin_deeper"):
if layoutname == "Standard":
document.body[beg:j+1] = [beglaysep]
i = i + 1
else:
document.body[beg:j+1] = ["\\begin_deeper", beglaysep]
end = end + 2 - (j + 1 - beg)
document.body[end+1:end+1] = ["", "\\end_deeper", ""]
i = i + 3
else:
if something_before:
del document.body[i:end+1]
else:
del document.body[i:end-1]
i = i + 1
def revert_smash(document):
" Set amsmath to on if smash commands are used "
commands = ["smash[t]", "smash[b]", "notag"]
i = find_token(document.header, "\\use_package amsmath", 0)
if i == -1:
document.warning("Malformed LyX document: Can't find \\use_package amsmath.")
return;
value = get_value(document.header, "\\use_package amsmath", i).split()[1]
if value != "1":
# nothing to do if package is not auto but on or off
return;
j = 0
while True:
j = find_token(document.body, '\\begin_inset Formula', j)
if j == -1:
return
k = find_end_of_inset(document.body, j)
if k == -1:
document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(j))
j += 1
continue
code = "\n".join(document.body[j:k])
for c in commands:
if code.find("\\%s" % c) != -1:
# set amsmath to on, since it is loaded by the newer format
document.header[i] = "\\use_package amsmath 2"
return
j = k
def revert_swissgerman(document):
" Set language german-ch-old to german "
i = 0
if document.language == "german-ch-old":
document.language = "german"
i = find_token(document.header, "\\language", 0)
if i != -1:
document.header[i] = "\\language german"
j = 0
while True:
j = find_token(document.body, "\\lang german-ch-old", j)
if j == -1:
return
document.body[j] = document.body[j].replace("\\lang german-ch-old", "\\lang german")
j = j + 1
##
# Conversion hub
#
supported_versions = ["2.2.0","2.2"]
convert = [
[475, [convert_separator]],
# nothing to do for 476: We consider it a bug that older versions
# did not load amsmath automatically for these commands, and do not
# want to hardcode amsmath off.
[476, []],
[477, []],
]
revert = [
[476, [revert_swissgerman]],
[475, [revert_smash]],
[474, [revert_separator]]
]
if __name__ == "__main__":
pass