mirror of
https://git.lyx.org/repos/lyx.git
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237 lines
7.0 KiB
Python
237 lines
7.0 KiB
Python
# This file is part of lyx2lyx
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# Copyright (C) 2024 The LyX team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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"""Convert files to the file format generated by lyx 2.5"""
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import re
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# Uncomment only what you need to import, please (lyx2lyx_tools):
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# convert_info_insets, get_ert, hex2ratio, insert_to_preamble,
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# length_in_bp, lyx2latex, lyx2verbatim, put_cmd_in_ert,
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# revert_flex_inset, revert_flex_inset, revert_font_attrs,
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# revert_language, str2bool
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from lyx2lyx_tools import add_to_preamble, latex_length
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# Uncomment only what you need to import, please (parser_tools):
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# check_token, count_pars_in_inset, del_complete_lines, del_token,
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# del_value, find_complete_lines, find_end_of, find_end_of_layout,
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# find_re, find_substring, find_token_backwards, find_token_exact,
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# find_tokens, get_bool_value, get_containing_inset,
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# get_containing_layout, get_option_value, get_quoted_value,
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# is_in_inset, set_bool_value
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from parser_tools import find_end_of_inset, find_re, find_token, get_value
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####################################################################
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# Private helper functions
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###############################################################################
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###
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### Conversion and reversion routines
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###
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###############################################################################
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def convert_url_escapes(document):
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"""Unescape # and % in URLs with hyperref."""
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hyperref = find_token(document.header, "\\use_hyperref true", 0) != -1
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beamer = document.textclass in [
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"beamer",
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"scrarticle-beamer",
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"beamerposter",
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"article-beamer",
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]
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if not hyperref and not beamer:
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return
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rurl = re.compile(r"^[%#].*")
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i = 0
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while True:
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i = find_token(document.body, "\\begin_inset Flex URL", i)
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if i == -1:
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return
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j = find_end_of_inset(document.body, i)
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if j == -1:
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document.warning("Malformed LyX document: Could not find end of URL inset.")
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i += 1
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continue
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while True:
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surl = find_re(document.body, rurl, i, j)
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if surl == -1:
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i = j
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break
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if document.body[surl - 1] == "\\backslash":
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del document.body[surl - 1]
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i = surl
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def revert_url_escapes(document):
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"""Unescape # and % in URLs with hyperref."""
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hyperref = find_token(document.header, "\\use_hyperref true", 0) != -1
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beamer = document.textclass in [
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"beamer",
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"scrarticle-beamer",
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"beamerposter",
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"article-beamer",
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]
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if not hyperref and not beamer:
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return
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rurl = re.compile(r"^(.*)([%#].*)")
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i = 0
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while True:
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i = find_token(document.body, "\\begin_inset Flex URL", i)
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if i == -1:
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return
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j = find_end_of_inset(document.body, i)
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if j == -1:
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document.warning("Malformed LyX document: Could not find end of URL inset.")
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i += 1
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continue
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while True:
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surl = find_re(document.body, rurl, i, j)
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if surl == -1:
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i = j
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break
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m = rurl.match(document.body[surl])
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if m:
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if m.group(1) == "" and document.body[surl - 1] == "\\backslash":
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break
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document.body[surl : surl + 1] = [m.group(1), "\\backslash", m.group(2)]
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i = surl
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def convert_url_escapes2(document):
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"""Unescape backslashes in URLs with hyperref."""
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i = find_token(document.header, "\\use_hyperref true", 0)
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if i == -1 and document.textclass not in [
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"beamer",
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"scrarticle-beamer",
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"beamerposter",
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"article-beamer",
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]:
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return
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i = 0
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while True:
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i = find_token(document.body, "\\begin_inset Flex URL", i + 1)
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if i == -1:
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return
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j = find_end_of_inset(document.body, i)
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if j == -1:
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document.warning("Malformed LyX document: Could not find end of URL inset.")
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i += 1
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continue
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while True:
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bs = find_token(document.body, "\\backslash", i, j)
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if bs == -1:
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break
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if document.body[bs + 2] == "\\backslash":
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del document.body[bs + 2]
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i = bs + 1
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def revert_url_escapes2(document):
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"""Escape backslashes in URLs with hyperref."""
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i = find_token(document.header, "\\use_hyperref true", 0)
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if i == -1 and document.textclass not in [
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"beamer",
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"scrarticle-beamer",
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"beamerposter",
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"article-beamer",
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]:
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return
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i = 0
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while True:
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i = find_token(document.body, "\\begin_inset Flex URL", i + 1)
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if i == -1:
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return
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j = find_end_of_inset(document.body, i)
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if j == -1:
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document.warning("Malformed LyX document: Could not find end of URL inset.")
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i += 1
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continue
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while True:
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bs = find_token(document.body, "\\backslash", i, j)
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if bs == -1:
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break
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document.body[bs] = "\\backslash\\backslash"
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i = bs + 1
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def revert_glue_parskip(document):
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"""Revert parskip with glue length to user preamble."""
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i = find_token(document.header, "\\paragraph_separation skip", 0)
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if i == -1:
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return
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j = find_token(document.header, "\\defskip", 0)
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if j == -1:
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document.warning("Malformed LyX document! Missing \\defskip.")
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return
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val = get_value(document.header, "\\defskip", j)
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if val.find("+") == -1 and val.find("-", 1) == -1:
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# not a glue length
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return
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add_to_preamble(document, ["\\usepackage[skip={" + latex_length(val)[1] + "}]{parskip}"])
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document.header[i] = "\\paragraph_separation indent"
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document.header[j] = "\\paragraph_indentation default"
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def convert_he_letter(document):
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"""Convert hebrew letter to letter document class"""
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if document.textclass == "heb-letter":
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document.textclass = "letter"
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##
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# Conversion hub
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#
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supported_versions = ["2.5.0", "2.5"]
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convert = [
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[621, [convert_url_escapes, convert_url_escapes2]],
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[622, []],
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[623, [convert_he_letter]],
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]
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revert = [
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[622, []],
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[621, [revert_glue_parskip]],
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[620, [revert_url_escapes2, revert_url_escapes]],
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]
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if __name__ == "__main__":
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pass
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