# 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 (lyx2lyx_tools): # convert_info_insets, get_ert, hex2ratio, insert_to_preamble, # length_in_bp, lyx2latex, lyx2verbatim, put_cmd_in_ert, # revert_flex_inset, revert_flex_inset, revert_font_attrs, # revert_language, str2bool from lyx2lyx_tools import add_to_preamble, latex_length # Uncomment only what you need to import, please (parser_tools): # check_token, count_pars_in_inset, del_complete_lines, del_token, # del_value, find_complete_lines, find_end_of, find_end_of_layout, # find_re, find_substring, find_token_backwards, find_token_exact, # find_tokens, get_bool_value, get_containing_inset, # get_containing_layout, get_option_value, get_quoted_value, # is_in_inset, set_bool_value from parser_tools import find_end_of_inset, find_re, find_token, get_value #################################################################### # 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