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4cea2efe21
This is mainly needed to reduce the amount of ERT if you convert AMS example documents with tex2lyx. No GUI support is needed, since \notag is equivalent to \nonumber.
299 lines
11 KiB
Python
299 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of lyx2lyx
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# -*- coding: utf-8 -*-
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# Copyright (C) 2011 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 2.2"""
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import re, string
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import unicodedata
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import sys, os
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# Uncomment only what you need to import, please.
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#from parser_tools import find_token, find_end_of, find_tokens, \
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# find_token_exact, find_end_of_inset, find_end_of_layout, \
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# find_token_backwards, is_in_inset, get_value, get_quoted_value, \
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# del_token, check_token, get_option_value
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#from lyx2lyx_tools import add_to_preamble, insert_to_preamble, \
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# put_cmd_in_ert, lyx2latex, latex_length, revert_flex_inset, \
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# revert_font_attrs, hex2ratio, str2bool
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from parser_tools import find_token, find_token_backwards, find_re, \
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find_end_of_inset, find_end_of_layout, find_nonempty_line, \
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get_containing_layout, get_value, check_token
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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_separator(document):
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"""
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Convert layout separators to separator insets and add (LaTeX) paragraph
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breaks in order to mimic previous LaTeX export.
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"""
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parins = ["\\begin_inset Separator parbreak", "\\end_inset", ""]
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parlay = ["\\begin_layout Standard", "\\begin_inset Separator parbreak",
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"\\end_inset", "", "\\end_layout", ""]
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sty_dict = {
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"family" : "default",
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"series" : "default",
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"shape" : "default",
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"size" : "default",
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"bar" : "default",
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"color" : "inherit"
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}
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i = 0
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while 1:
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i = find_token(document.body, "\\begin_deeper", i)
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if i == -1:
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break
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j = find_token_backwards(document.body, "\\end_layout", i-1)
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if j != -1:
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# reset any text style before inserting the inset
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lay = get_containing_layout(document.body, j-1)
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if lay != False:
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content = "\n".join(document.body[lay[1]:lay[2]])
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for val in sty_dict.keys():
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if content.find("\\%s" % val) != -1:
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document.body[j:j] = ["\\%s %s" % (val, sty_dict[val])]
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i = i + 1
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j = j + 1
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document.body[j:j] = parins
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i = i + len(parins) + 1
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else:
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i = i + 1
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i = 0
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while 1:
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i = find_token(document.body, "\\align", i)
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if i == -1:
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break
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lay = get_containing_layout(document.body, i)
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if lay != False and lay[0] == "Plain Layout":
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i = i + 1
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continue
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j = find_token_backwards(document.body, "\\end_layout", i-1)
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if j != -1:
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lay = get_containing_layout(document.body, j-1)
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if lay != False and lay[0] == "Standard" \
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and find_token(document.body, "\\align", lay[1], lay[2]) == -1 \
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and find_token(document.body, "\\begin_inset VSpace", lay[1], lay[2]) == -1:
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# reset any text style before inserting the inset
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content = "\n".join(document.body[lay[1]:lay[2]])
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for val in sty_dict.keys():
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if content.find("\\%s" % val) != -1:
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document.body[j:j] = ["\\%s %s" % (val, sty_dict[val])]
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i = i + 1
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j = j + 1
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document.body[j:j] = parins
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i = i + len(parins) + 1
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else:
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i = i + 1
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else:
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i = i + 1
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regexp = re.compile(r'^\\begin_layout (?:(-*)|(\s*))(Separator|EndOfSlide)(?:(-*)|(\s*))$', re.IGNORECASE)
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i = 0
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while 1:
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i = find_re(document.body, regexp, i)
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if i == -1:
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return
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j = find_end_of_layout(document.body, i)
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if j == -1:
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document.warning("Malformed LyX document: Missing `\\end_layout'.")
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return
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lay = get_containing_layout(document.body, j-1)
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if lay != False:
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lines = document.body[lay[3]:lay[2]]
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else:
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lines = []
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document.body[i:j+1] = parlay
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if len(lines) > 0:
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document.body[i+1:i+1] = lines
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i = i + len(parlay) + len(lines) + 1
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def revert_separator(document):
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" Revert separator insets to layout separators "
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beamer_classes = ["beamer", "article-beamer", "scrarticle-beamer"]
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if document.textclass in beamer_classes:
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beglaysep = "\\begin_layout Separator"
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else:
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beglaysep = "\\begin_layout --Separator--"
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parsep = [beglaysep, "", "\\end_layout", ""]
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comert = ["\\begin_inset ERT", "status collapsed", "",
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"\\begin_layout Plain Layout", "%", "\\end_layout",
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"", "\\end_inset", ""]
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empert = ["\\begin_inset ERT", "status collapsed", "",
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"\\begin_layout Plain Layout", " ", "\\end_layout",
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"", "\\end_inset", ""]
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i = 0
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while 1:
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i = find_token(document.body, "\\begin_inset Separator", i)
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if i == -1:
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return
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lay = get_containing_layout(document.body, i)
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if lay == False:
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document.warning("Malformed LyX document: Can't convert separator inset at line " + str(i))
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i = i + 1
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continue
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layoutname = lay[0]
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beg = lay[1]
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end = lay[2]
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kind = get_value(document.body, "\\begin_inset Separator", i, i+1, "plain").split()[1]
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before = document.body[beg+1:i]
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something_before = len(before) > 0 and len("".join(before)) > 0
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j = find_end_of_inset(document.body, i)
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after = document.body[j+1:end]
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something_after = len(after) > 0 and len("".join(after)) > 0
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if kind == "plain":
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beg = beg + len(before) + 1
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elif something_before:
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document.body[i:i] = ["\\end_layout", ""]
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i = i + 2
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j = j + 2
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beg = i
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end = end + 2
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if kind == "plain":
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if something_after:
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document.body[beg:j+1] = empert
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i = i + len(empert)
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else:
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document.body[beg:j+1] = comert
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i = i + len(comert)
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else:
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if something_after:
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if layoutname == "Standard":
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if not something_before:
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document.body[beg:j+1] = parsep
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i = i + len(parsep)
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document.body[i:i] = ["", "\\begin_layout Standard"]
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i = i + 2
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else:
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document.body[beg:j+1] = ["\\begin_layout Standard"]
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i = i + 1
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else:
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document.body[beg:j+1] = ["\\begin_deeper"]
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i = i + 1
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end = end + 1 - (j + 1 - beg)
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if not something_before:
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document.body[i:i] = parsep
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i = i + len(parsep)
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end = end + len(parsep)
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document.body[i:i] = ["\\begin_layout Standard"]
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document.body[end+2:end+2] = ["", "\\end_deeper", ""]
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i = i + 4
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else:
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next_par_is_aligned = False
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k = find_nonempty_line(document.body, end+1)
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if k != -1 and check_token(document.body[k], "\\begin_layout"):
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lay = get_containing_layout(document.body, k)
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next_par_is_aligned = lay != False and \
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find_token(document.body, "\\align", lay[1], lay[2]) != -1
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if k != -1 and not next_par_is_aligned \
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and not check_token(document.body[k], "\\end_deeper") \
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and not check_token(document.body[k], "\\begin_deeper"):
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if layoutname == "Standard":
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document.body[beg:j+1] = [beglaysep]
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i = i + 1
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else:
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document.body[beg:j+1] = ["\\begin_deeper", beglaysep]
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end = end + 2 - (j + 1 - beg)
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document.body[end+1:end+1] = ["", "\\end_deeper", ""]
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i = i + 3
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else:
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if something_before:
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del document.body[i:end+1]
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else:
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del document.body[i:end-1]
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i = i + 1
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def revert_smash(document):
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" Set amsmath to on if smash commands are used "
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commands = ["smash[t]", "smash[b]", "notag"]
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i = find_token(document.header, "\\use_package amsmath", 0)
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if i == -1:
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document.warning("Malformed LyX document: Can't find \\use_package amsmath.")
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return;
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value = get_value(document.header, "\\use_package amsmath", i).split()[1]
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if value != "1":
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# nothing to do if package is not auto but on or off
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return;
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j = 0
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while True:
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j = find_token(document.body, '\\begin_inset Formula', j)
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if j == -1:
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return
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k = find_end_of_inset(document.body, j)
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if k == -1:
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document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(j))
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j += 1
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continue
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code = "\n".join(document.body[j:k])
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for c in commands:
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if code.find("\\%s" % c) != -1:
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# set amsmath to on, since it is loaded by the newer format
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document.header[i] = "\\use_package amsmath 2"
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return
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j = k
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##
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# Conversion hub
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#
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supported_versions = ["2.2.0","2.2"]
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convert = [
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[475, [convert_separator]],
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# nothing to do for 476: We consider it a bug that older versions
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# did not load amsmath automatically for these commands, and do not
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# want to hardcode amsmath off.
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[476, []],
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]
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revert = [
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[475, [revert_smash]],
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[474, [revert_separator]]
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]
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if __name__ == "__main__":
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pass
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