lyx_mirror/lib/lyx2lyx/lyx_2_5.py
2024-06-15 10:06:06 +01:00

242 lines
6.9 KiB
Python

# This file is part of lyx2lyx
# Copyright (C) 2024 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 2.5"""
import re
# Uncomment only what you need to import, please.
from parser_tools import find_end_of_inset, find_token, find_re, get_value
# count_pars_in_inset, del_complete_lines, del_token, find_end_of,
# find_end_of_layout,
# find_token_backwards, find_token_exact, get_bool_value,
# get_containing_inset, get_containing_layout, get_option_value,
# get_quoted_value, is_in_inset,
# del_value,
# find_complete_lines,
# find_re, find_substring,
# set_bool_value
# find_tokens, check_token
from lyx2lyx_tools import add_to_preamble, latex_length
# put_cmd_in_ert, insert_to_preamble, lyx2latex,
# revert_language, revert_flex_inset, str2bool,
# revert_font_attrs,
# get_ert, lyx2verbatim, length_in_bp, convert_info_insets
# revert_flex_inset, hex2ratio
####################################################################
# Private helper functions
###############################################################################
###
### Conversion and reversion routines
###
###############################################################################
def convert_url_escapes(document):
"""Unescape # and % in URLs with hyperref."""
hyperref = find_token(document.header, "\\use_hyperref true", 0) != -1
beamer = document.textclass in [
"beamer",
"scrarticle-beamer",
"beamerposter",
"article-beamer",
]
if not hyperref and not beamer:
return
rurl = re.compile(r"^[%#].*")
i = 0
while True:
i = find_token(document.body, "\\begin_inset Flex URL", i)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Could not find end of URL inset.")
i += 1
continue
while True:
surl = find_re(document.body, rurl, i, j)
if surl == -1:
i = j
break
if document.body[surl - 1] == "\\backslash":
del document.body[surl - 1]
i = surl
def revert_url_escapes(document):
"""Unescape # and % in URLs with hyperref."""
hyperref = find_token(document.header, "\\use_hyperref true", 0) != -1
beamer = document.textclass in [
"beamer",
"scrarticle-beamer",
"beamerposter",
"article-beamer",
]
if not hyperref and not beamer:
return
rurl = re.compile(r"^(.*)([%#].*)")
i = 0
while True:
i = find_token(document.body, "\\begin_inset Flex URL", i)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Could not find end of URL inset.")
i += 1
continue
while True:
surl = find_re(document.body, rurl, i, j)
if surl == -1:
i = j
break
m = rurl.match(document.body[surl])
if m:
if m.group(1) == "" and document.body[surl - 1] == "\\backslash":
break
document.body[surl : surl + 1] = [m.group(1), "\\backslash", m.group(2)]
i = surl
def convert_url_escapes2(document):
"""Unescape backslashes in URLs with hyperref."""
i = find_token(document.header, "\\use_hyperref true", 0)
if i == -1 and document.textclass not in [
"beamer",
"scrarticle-beamer",
"beamerposter",
"article-beamer",
]:
return
i = 0
while True:
i = find_token(document.body, "\\begin_inset Flex URL", i + 1)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Could not find end of URL inset.")
i += 1
continue
while True:
bs = find_token(document.body, "\\backslash", i, j)
if bs == -1:
break
if document.body[bs + 2] == "\\backslash":
del document.body[bs + 2]
i = bs + 1
def revert_url_escapes2(document):
"""Escape backslashes in URLs with hyperref."""
i = find_token(document.header, "\\use_hyperref true", 0)
if i == -1 and document.textclass not in [
"beamer",
"scrarticle-beamer",
"beamerposter",
"article-beamer",
]:
return
i = 0
while True:
i = find_token(document.body, "\\begin_inset Flex URL", i + 1)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning("Malformed LyX document: Could not find end of URL inset.")
i += 1
continue
while True:
bs = find_token(document.body, "\\backslash", i, j)
if bs == -1:
break
document.body[bs] = "\\backslash\\backslash"
i = bs + 1
def revert_glue_parskip(document):
"""Revert parskip with glue length to user preamble."""
i = find_token(document.header, "\\paragraph_separation skip", 0)
if i == -1:
return
j = find_token(document.header, "\\defskip", 0)
if j == -1:
document.warning("Malformed LyX document! Missing \\defskip.")
return
val = get_value(document.header, "\\defskip", j)
if val.find("+") == -1 and val.find("-", 1) == -1:
# not a glue length
return
add_to_preamble(document, ["\\usepackage[skip={" + latex_length(val)[1] + "}]{parskip}"])
document.header[i] = "\\paragraph_separation indent"
document.header[j] = "\\paragraph_indentation default"
def convert_he_letter(document):
"""Convert hebrew letter to letter document class"""
if document.textclass == "heb-letter":
document.textclass = "letter"
##
# Conversion hub
#
supported_versions = ["2.5.0", "2.5"]
convert = [
[621, [convert_url_escapes, convert_url_escapes2]],
[622, []],
[623, [convert_he_letter]],
]
revert = [
[622, []],
[621, [revert_glue_parskip]],
[620, [revert_url_escapes2, revert_url_escapes]],
]
if __name__ == "__main__":
pass