lyx_mirror/lib/lyx2lyx/lyx_2_3.py

# -*- coding: utf-8 -*-
# This file is part of lyx2lyx
# -*- coding: utf-8 -*-
# Copyright (C) 2016 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 2.3"""

import re, string
import unicodedata
import sys, os

# Uncomment only what you need to import, please.

from parser_tools import find_end_of, find_token_backwards, find_end_of_layout, \
    find_token, find_end_of_inset, get_value,  get_bool_value, \
    get_containing_layout, get_quoted_value, del_token
#  find_tokens, find_token_exact, is_in_inset, \
#  check_token, get_option_value

from lyx2lyx_tools import add_to_preamble, put_cmd_in_ert
#  get_ert, lyx2latex, \
#  lyx2verbatim, length_in_bp, convert_info_insets
#  insert_to_preamble, latex_length, revert_flex_inset, \
#  revert_font_attrs, hex2ratio, str2bool

####################################################################
# Private helper functions



###############################################################################
###
### Conversion and reversion routines
###
###############################################################################

def convert_microtype(document):
    " Add microtype settings. "
    i = find_token(document.header, "\\font_tt_scale" , 0)
    if i == -1:
        document.warning("Malformed LyX document: Can't find \\font_tt_scale.")
        i = len(document.header) - 1

    j = find_token(document.preamble, "\\usepackage{microtype}", 0)
    if j == -1:
        document.header.insert(i + 1, "\\use_microtype false")
    else:
        document.header.insert(i + 1, "\\use_microtype true")
        del document.preamble[j]


def revert_microtype(document):
    " Remove microtype settings. "
    i = find_token(document.header, "\\use_microtype", 0)
    if i == -1:
        return
    use_microtype = get_bool_value(document.header, "\\use_microtype" , i)
    del document.header[i]
    if use_microtype:
        add_to_preamble(document, ["\\usepackage{microtype}"])


def convert_dateinset(document):
    ' Convert date external inset to ERT '
    i = 0
    while True:
        i = find_token(document.body, "\\begin_inset External", i)
        if i == -1:
            return
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Malformed lyx document: Missing '\\end_inset' in convert_dateinset.")
            i += 1
            continue
        if get_value(document.body, 'template', i, j) == "Date":
            document.body[i : j + 1] = put_cmd_in_ert("\\today ")
        i += 1
        continue


def convert_inputenc(document):
    " Replace no longer supported input encoding settings. "
    i = find_token(document.header, "\\inputenc", 0)
    if i == -1:
        return
    if get_value(document.header, "\\inputencoding", i) == "pt254":
        document.header[i] = "\\inputencoding pt154"
    

def convert_ibranches(document):
    ' Add "inverted 0" to branch insets'
    i = 0
    while True:
        i = find_token(document.body, "\\begin_inset Branch", i)
        if i == -1:
            return
        document.body.insert(i + 1, "inverted 0")
        i += 1


def revert_ibranches(document):
    ' Convert inverted branches to explicit anti-branches'
    # Get list of branches
    ourbranches = {}
    i = 0
    while True:
        i = find_token(document.header, "\\branch", i)
        if i == -1:
            break
        branch = document.header[i][8:].strip()
        if document.header[i+1].startswith("\\selected "):
            #document.warning(document.header[i+1])
            #document.warning(document.header[i+1][10])
            selected = int(document.header[i+1][10])
        else:
            document.warning("Malformed LyX document: No selection indicator for branch " + branch)
            selected = 1
            
        # the value tells us whether the branch is selected
        ourbranches[document.header[i][8:].strip()] = selected
        i += 1

    # Figure out what inverted branches, if any, have been used
    # and convert them to "Anti-OldBranch"
    ibranches = {}
    i = 0
    while True:
        i = find_token(document.body, "\\begin_inset Branch", i)
        if i == -1:
            break
        if not document.body[i+1].startswith("inverted "):
            document.warning("Malformed LyX document: Missing 'inverted' tag!")
            i += 1
            continue
        inverted = document.body[i+1][9]
        #document.warning(document.body[i+1])

        if inverted == "1":
            branch = document.body[i][20:].strip()
            #document.warning(branch)
            if not branch in ibranches:
                antibranch = "Anti-" + branch
                while antibranch in ibranches:
                    antibranch = "x" + antibranch
                ibranches[branch] = antibranch
            else:
                antibranch = ibranches[branch]
            #document.warning(antibranch)
            document.body[i] = "\\begin_inset Branch " + antibranch

        # remove "inverted" key
        del document.body[i+1]
        i += 1

    # now we need to add the new branches to the header
    for old, new in ibranches.iteritems():
        i = find_token(document.header, "\\branch " + old, 0)
        if i == -1:
            document.warning("Can't find branch %s even though we found it before!" % (old))
            continue
        j = find_token(document.header, "\\end_branch", i)
        if j == -1:
            document.warning("Malformed LyX document! Can't find end of branch " + old)
            continue
        # ourbranches[old] - 1 inverts the selection status of the old branch
        lines = ["\\branch " + new,
                 "\\selected " + str(ourbranches[old] - 1)]
        # these are the old lines telling us color, etc.
        lines += document.header[i+2 : j+1]
        document.header[i:i] = lines


def revert_beamer_article_styles(document):
    " Include (scr)article styles in beamer article "

    beamer_articles = ["article-beamer", "scrarticle-beamer"]
    if document.textclass not in beamer_articles:
        return

    inclusion = "article.layout"
    if document.textclass == "scrarticle-beamer":
        inclusion = "scrartcl.layout"

    i = find_token(document.header, "\\begin_local_layout", 0)
    if i == -1:
        k = find_token(document.header, "\\language", 0)
        if k == -1:
            # this should not happen
            document.warning("Malformed LyX document! No \\language header found!")
            return
        document.header[k-1 : k-1] = ["\\begin_local_layout", "\\end_local_layout"]
        i = k - 1

    j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
    if j == -1:
        # this should not happen
        document.warning("Malformed LyX document: Can't find end of local layout!")
        return

    document.header[i+1 : i+1] = [
        "### Inserted by lyx2lyx (more [scr]article styles) ###",
        "Input " + inclusion,
        "Input beamer.layout",
        "Provides geometry 0",
        "Provides hyperref 0",
        "DefaultFont",
        "     Family                Roman",
        "     Series                Medium",
        "     Shape                 Up",
        "     Size                  Normal",
        "     Color                 None",
        "EndFont",
        "Preamble",
        "     \\usepackage{beamerarticle,pgf}",
        "     % this default might be overridden by plain title style",
        "     \\newcommand\makebeamertitle{\\frame{\\maketitle}}%",
        "     \\AtBeginDocument{",
        "             \\let\\origtableofcontents=\\tableofcontents",
        "             \\def\\tableofcontents{\\@ifnextchar[{\\origtableofcontents}{\\gobbletableofcontents}}",
        "             \\def\\gobbletableofcontents#1{\\origtableofcontents}",
        "     }",
        "EndPreamble",
        "### End of insertion by lyx2lyx (more [scr]article styles) ###"
    ]


def convert_beamer_article_styles(document):
    " Remove included (scr)article styles in beamer article "

    beamer_articles = ["article-beamer", "scrarticle-beamer"]
    if document.textclass not in beamer_articles:
        return

    i = find_token(document.header, "\\begin_local_layout", 0)
    if i == -1:
        return

    j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
    if j == -1:
        # this should not happen
        document.warning("Malformed LyX document: Can't find end of local layout!")
        return

    k = find_token(document.header, "### Inserted by lyx2lyx (more [scr]article styles) ###", i, j)
    if k != -1:
        l = find_token(document.header, "### End of insertion by lyx2lyx (more [scr]article styles) ###", i, j)
        if l == -1:
            # this should not happen
            document.warning("End of lyx2lyx local layout insertion not found!")
            return

        if k == i + 1 and l == j - 1:
            # that was all the local layout there was
            document.header[i : j + 1] = []
        else:
            document.header[k : l + 1] = []


def revert_bosnian(document):
    "Set the document language to English but assure Bosnian output"

    if document.language == "bosnian":
        document.language = "english"
        i = find_token(document.header, "\\language bosnian", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package babel"
        k = find_token(document.header, "\\options", 0)
        if k != -1:
            document.header[k] = document.header[k].replace("\\options", "\\options bosnian,")
        else:
            l = find_token(document.header, "\\use_default_options", 0)
            document.header.insert(l + 1, "\\options bosnian")


def revert_friulan(document):
    "Set the document language to English but assure Friulan output"

    if document.language == "friulan":
        document.language = "english"
        i = find_token(document.header, "\\language friulan", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package babel"
        k = find_token(document.header, "\\options", 0)
        if k != -1:
            document.header[k] = document.header[k].replace("\\options", "\\options friulan,")
        else:
            l = find_token(document.header, "\\use_default_options", 0)
            document.header.insert(l + 1, "\\options friulan")


def revert_macedonian(document):
    "Set the document language to English but assure Macedonian output"

    if document.language == "macedonian":
        document.language = "english"
        i = find_token(document.header, "\\language macedonian", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package babel"
        k = find_token(document.header, "\\options", 0)
        if k != -1:
            document.header[k] = document.header[k].replace("\\options", "\\options macedonian,")
        else:
            l = find_token(document.header, "\\use_default_options", 0)
            document.header.insert(l + 1, "\\options macedonian")


def revert_piedmontese(document):
    "Set the document language to English but assure Piedmontese output"

    if document.language == "piedmontese":
        document.language = "english"
        i = find_token(document.header, "\\language piedmontese", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package babel"
        k = find_token(document.header, "\\options", 0)
        if k != -1:
            document.header[k] = document.header[k].replace("\\options", "\\options piedmontese,")
        else:
            l = find_token(document.header, "\\use_default_options", 0)
            document.header.insert(l + 1, "\\options piedmontese")


def revert_romansh(document):
    "Set the document language to English but assure Romansh output"

    if document.language == "romansh":
        document.language = "english"
        i = find_token(document.header, "\\language romansh", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package babel"
        k = find_token(document.header, "\\options", 0)
        if k != -1:
            document.header[k] = document.header[k].replace("\\options", "\\options romansh,")
        else:
            l = find_token(document.header, "\\use_default_options", 0)
            document.header.insert(l + 1, "\\options romansh")


def revert_amharic(document):
    "Set the document language to English but assure Amharic output"

    if document.language == "amharic":
        document.language = "english"
        i = find_token(document.header, "\\language amharic", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{amharic}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{amharic}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_asturian(document):
    "Set the document language to English but assure Asturian output"

    if document.language == "asturian":
        document.language = "english"
        i = find_token(document.header, "\\language asturian", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{asturian}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{asturian}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_kannada(document):
    "Set the document language to English but assure Kannada output"

    if document.language == "kannada":
        document.language = "english"
        i = find_token(document.header, "\\language kannada", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{kannada}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{kannada}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_khmer(document):
    "Set the document language to English but assure Khmer output"

    if document.language == "khmer":
        document.language = "english"
        i = find_token(document.header, "\\language khmer", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{khmer}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{khmer}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_urdu(document):
    "Set the document language to English but assure Urdu output"

    if document.language == "urdu":
        document.language = "english"
        i = find_token(document.header, "\\language urdu", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{urdu}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{urdu}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_syriac(document):
    "Set the document language to English but assure Syriac output"

    if document.language == "syriac":
        document.language = "english"
        i = find_token(document.header, "\\language syriac", 0)
        if i != -1:
            document.header[i] = "\\language english"
        j = find_token(document.header, "\\language_package default", 0)
        if j != -1:
            document.header[j] = "\\language_package default"
        add_to_preamble(document, ["\\AtBeginDocument{\setotherlanguage{syriac}}"])
        document.body[2 : 2] = ["\\begin_layout Standard",
                                "\\begin_inset ERT", "status open", "",
                                "\\begin_layout Plain Layout", "", "",
                                "\\backslash",
                                "resetdefaultlanguage{syriac}",
                                "\\end_layout", "", "\\end_inset", "", "",
                                "\\end_layout", ""]


def revert_quotes(document):
    " Revert Quote Insets in verbatim or Hebrew context to plain quotes "

    # First handle verbatim insets
    i = 0
    j = 0
    while i < len(document.body):
        words = document.body[i].split()
        if len(words) > 1 and words[0] == "\\begin_inset" and \
           ( words[1] in ["ERT", "listings"] or ( len(words) > 2 and words[2] in ["URL", "Chunk", "Sweave", "S/R"]) ):
            j = find_end_of_inset(document.body, i)
            if j == -1:
                document.warning("Malformed LyX document: Can't find end of " + words[1] + " inset at line " + str(i))
                i += 1
                continue
            while True:
                k = find_token(document.body, '\\begin_inset Quotes', i, j)
                if k == -1:
                    i += 1
                    break
                l = find_end_of_inset(document.body, k)
                if l == -1:
                    document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
                    i = k
                    continue
                replace = "\""
                if document.body[k].endswith("s"):
                    replace = "'"
                document.body[k:l+1] = [replace]
        else:
            i += 1
            continue

    # Now verbatim layouts
    i = 0
    j = 0
    while i < len(document.body):
        words = document.body[i].split()
        if len(words) > 1 and words[0] == "\\begin_layout" and \
           words[1] in ["Verbatim", "Verbatim*", "Code", "Author_Email", "Author_URL"]:
            j = find_end_of_layout(document.body, i)
            if j == -1:
                document.warning("Malformed LyX document: Can't find end of " + words[1] + " layout at line " + str(i))
                i += 1
                continue
            while True:
                k = find_token(document.body, '\\begin_inset Quotes', i, j)
                if k == -1:
                    i += 1
                    break
                l = find_end_of_inset(document.body, k)
                if l == -1:
                    document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
                    i = k
                    continue
                replace = "\""
                if document.body[k].endswith("s"):
                    replace = "'"
                document.body[k:l+1] = [replace]
        else:
            i += 1
            continue

    # Now handle Hebrew
    if not document.language == "hebrew" and find_token(document.body, '\\lang hebrew', 0) == -1:
        return

    i = 0
    j = 0
    while True:
        k = find_token(document.body, '\\begin_inset Quotes', i)
        if k == -1:
            return
        l = find_end_of_inset(document.body, k)
        if l == -1:
            document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
            i = k
            continue
        hebrew = False
        parent = get_containing_layout(document.body, k)
        ql = find_token_backwards(document.body, "\\lang", k)
        if ql == -1 or ql < parent[1]:
            hebrew = document.language == "hebrew"
        elif document.body[ql] == "\\lang hebrew":
            hebrew = True
        if hebrew:
            replace = "\""
            if document.body[k].endswith("s"):
                replace = "'"
            document.body[k:l+1] = [replace]
        i = l
    

def revert_iopart(document):
    " Input new styles via local layout "
    if document.textclass != "iopart":
        return

    i = find_token(document.header, "\\begin_local_layout", 0)
    if i == -1:
        k = find_token(document.header, "\\language", 0)
        if k == -1:
            # this should not happen
            document.warning("Malformed LyX document! No \\language header found!")
            return
        document.header[k-1 : k-1] = ["\\begin_local_layout", "\\end_local_layout"]
        i = k-1

    j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
    if j == -1:
        # this should not happen
        document.warning("Malformed LyX document! Can't find end of local layout!")
        return

    document.header[i+1 : i+1] = [
        "### Inserted by lyx2lyx (stdlayouts) ###",
        "Input stdlayouts.inc",
        "### End of insertion by lyx2lyx (stdlayouts) ###"
    ]


def convert_iopart(document):
    " Remove local layout we added, if it is there "
    if document.textclass != "iopart":
        return

    i = find_token(document.header, "\\begin_local_layout", 0)
    if i == -1:
        return

    j = find_end_of(document.header, i, "\\begin_local_layout", "\\end_local_layout")
    if j == -1:
        # this should not happen
        document.warning("Malformed LyX document! Can't find end of local layout!")
        return

    k = find_token(document.header, "### Inserted by lyx2lyx (stdlayouts) ###", i, j)
    if k != -1:
        l = find_token(document.header, "### End of insertion by lyx2lyx (stdlayouts) ###", i, j)
        if l == -1:
            # this should not happen
            document.warning("End of lyx2lyx local layout insertion not found!")
            return
        if k == i + 1 and l == j - 1:
            # that was all the local layout there was
            document.header[i : j + 1] = []
        else:
            document.header[k : l + 1] = []


def convert_quotestyle(document):
    " Convert \\quotes_language to \\quotes_style "
    i = find_token(document.header, "\\quotes_language", 0)
    if i == -1:
        document.warning("Malformed LyX document! Can't find \\quotes_language!")
        return
    val = get_value(document.header, "\\quotes_language", i)
    document.header[i] = "\\quotes_style " + val


def revert_quotestyle(document):
    " Revert \\quotes_style to \\quotes_language "
    i = find_token(document.header, "\\quotes_style", 0)
    if i == -1:
        document.warning("Malformed LyX document! Can't find \\quotes_style!")
        return
    val = get_value(document.header, "\\quotes_style", i)
    document.header[i] = "\\quotes_language " + val


def revert_plainquote(document):
    " Revert plain quote insets "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style plain", 0)
    if i != -1:
        document.header[i] = "\\quotes_style english"

    # now the insets
    i = 0
    j = 0
    while True:
        k = find_token(document.body, '\\begin_inset Quotes q', i)
        if k == -1:
            return
        l = find_end_of_inset(document.body, k)
        if l == -1:
            document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
            i = k
            continue
        replace = "\""
        if document.body[k].endswith("s"):
            replace = "'"
        document.body[k:l+1] = [replace]
        i = l


def convert_frenchquotes(document):
    " Convert french quote insets to swiss "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style french", 0)
    if i != -1:
        document.header[i] = "\\quotes_style swiss"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes f', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        newval = val.replace("f", "c", 1)
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_swissquotes(document):
    " Revert swiss quote insets to french "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style swiss", 0)
    if i != -1:
        document.header[i] = "\\quotes_style french"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes c', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        newval = val.replace("c", "f", 1)
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_britishquotes(document):
    " Revert british quote insets to english "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style british", 0)
    if i != -1:
        document.header[i] = "\\quotes_style english"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes b', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        newval = val.replace("b", "e", 1)
        if val[2] == "d":
            # opening mark
            newval = newval.replace("d", "s")
        else:
            # closing mark
            newval = newval.replace("s", "d")
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_swedishgquotes(document):
    " Revert swedish quote insets "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style swedishg", 0)
    if i != -1:
        document.header[i] = "\\quotes_style danish"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes w', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        if val[2] == "d":
            # outer marks
            newval = val.replace("w", "a", 1).replace("r", "l")
        else:
            # inner marks
            newval = val.replace("w", "s", 1)
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_frenchquotes(document):
    " Revert french inner quote insets "

    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes f', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        if val[2] == "s":
            # inner marks
            newval = val.replace("f", "e", 1).replace("s", "d")
            document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_frenchinquotes(document):
    " Revert inner frenchin quote insets "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style frenchin", 0)
    if i != -1:
        document.header[i] = "\\quotes_style french"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes i', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        newval = val.replace("i", "f", 1)
        if val[2] == "s":
            # inner marks
            newval = newval.replace("s", "d")
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_russianquotes(document):
    " Revert russian quote insets "

    # First, revert style setting
    i = find_token(document.header, "\\quotes_style russian", 0)
    if i != -1:
        document.header[i] = "\\quotes_style french"

    # now the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes r', i)
        if i == -1:
            return
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        newval = val
        if val[2] == "s":
            # inner marks
            newval = val.replace("r", "g", 1).replace("s", "d")
        else:
            # outer marks
            newval = val.replace("r", "f", 1)
        document.body[i] = document.body[i].replace(val, newval)
        i += 1


def revert_dynamicquotes(document):
    " Revert dynamic quote insets "

    # First, revert header
    i = find_token(document.header, "\\dynamic_quotes", 0)
    if i != -1:
        del document.header[i]

    # Get global style
    style = "english"
    i = find_token(document.header, "\\quotes_style", 0)
    if i == -1:
        document.warning("Malformed document! Missing \\quotes_style")
    else:
        style = get_value(document.header, "\\quotes_style", i)

    s = "e"
    if style == "english":
        s = "e"
    elif style == "swedish":
        s = "s"
    elif style == "german":
        s = "g"
    elif style == "polish":
        s = "p"
    elif style == "swiss":
        s = "c"
    elif style == "danish":
        s = "a"
    elif style == "plain":
        s = "q"
    elif style == "british":
        s = "b"
    elif style == "swedishg":
        s = "w"
    elif style == "french":
        s = "f"
    elif style == "frenchin":
        s = "i"
    elif style == "russian":
        s = "r"

    # now transform the insets
    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset Quotes x', i)
        if i == -1:
            return
        document.body[i] = document.body[i].replace("x", s)
        i += 1


def revert_cjkquotes(document):
    " Revert cjk quote insets "

    # Get global style
    style = "english"
    i = find_token(document.header, "\\quotes_style", 0)
    if i == -1:
        document.warning("Malformed document! Missing \\quotes_style")
    else:
        style = get_value(document.header, "\\quotes_style", i)

    global_cjk = style.find("cjk") != -1

    if global_cjk:
        document.header[i] = "\\quotes_style english"
        # transform dynamic insets
        s = "j"
        if style == "cjkangle":
            s = "k"
        i = 0
        while True:
            i = find_token(document.body, '\\begin_inset Quotes x', i)
            if i == -1:
                break
            document.body[i] = document.body[i].replace("x", s)
            i += 1

    cjk_langs = ["chinese-simplified", "chinese-traditional", "japanese", "japanese-cjk", "korean"]

    i = 0
    j = 0
    while True:
        k = find_token(document.body, '\\begin_inset Quotes j', i)
        if k == -1:
            break
        l = find_end_of_inset(document.body, k)
        if l == -1:
            document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
            i = k
            continue
        cjk = False
        parent = get_containing_layout(document.body, k)
        ql = find_token_backwards(document.body, "\\lang", k)
        if ql == -1 or ql < parent[1]:
            cjk = document.language in cjk_langs
        elif document.body[ql].split()[1] in cjk_langs:
            cjk = True
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        replace = []
        if val[2] == "s":
            # inner marks
            if val[1] == "l":
                # inner opening mark
                if cjk:
                    replace = [u"\u300E"]
                else:
                    replace = ["\\begin_inset Formula $\\llceil$", "\\end_inset"]
            else:
                # inner closing mark
                if cjk:
                    replace = [u"\u300F"]
                else:
                    replace = ["\\begin_inset Formula $\\rrfloor$", "\\end_inset"]
        else:
            # outer marks
            if val[1] == "l":
                # outer opening mark
                if cjk:
                    replace = [u"\u300C"]
                else:
                    replace = ["\\begin_inset Formula $\\lceil$", "\\end_inset"]
            else:
                # outer closing mark
                if cjk:
                    replace = [u"\u300D"]
                else:
                    replace = ["\\begin_inset Formula $\\rfloor$", "\\end_inset"]

        document.body[k:l+1] = replace
        i = l

    i = 0
    j = 0
    while True:
        k = find_token(document.body, '\\begin_inset Quotes k', i)
        if k == -1:
            return
        l = find_end_of_inset(document.body, k)
        if l == -1:
            document.warning("Malformed LyX document: Can't find end of Quote inset at line " + str(k))
            i = k
            continue
        cjk = False
        parent = get_containing_layout(document.body, k)
        ql = find_token_backwards(document.body, "\\lang", k)
        if ql == -1 or ql < parent[1]:
            cjk = document.language in cjk_langs
        elif document.body[ql].split()[1] in cjk_langs:
            cjk = True
        val = get_value(document.body, "\\begin_inset Quotes", i)[7:]
        replace = []
        if val[2] == "s":
            # inner marks
            if val[1] == "l":
                # inner opening mark
                if cjk:
                    replace = [u"\u3008"]
                else:
                    replace = ["\\begin_inset Formula $\\langle$", "\\end_inset"]
            else:
                # inner closing mark
                if cjk:
                    replace = [u"\u3009"]
                else:
                    replace = ["\\begin_inset Formula $\\rangle$", "\\end_inset"]
        else:
            # outer marks
            if val[1] == "l":
                # outer opening mark
                if cjk:
                    replace = [u"\u300A"]
                else:
                    replace = ["\\begin_inset Formula $\\langle\\kern -2.5pt\\langle$", "\\end_inset"]
            else:
                # outer closing mark
                if cjk:
                    replace = [u"\u300B"]
                else:
                    replace = ["\\begin_inset Formula $\\rangle\\kern -2.5pt\\rangle$", "\\end_inset"]

        document.body[k:l+1] = replace
        i = l


def revert_crimson(document):
    " Revert native Cochineal/Crimson font definition to LaTeX " 

    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1:
        preamble = ""
        i = find_token(document.header, "\\font_roman \"cochineal\"", 0)
        if i != -1:
            osf = False
            j = find_token(document.header, "\\font_osf true", 0)
            if j != -1:
                osf = True
            preamble = "\\usepackage"
            if osf:
                document.header[j] = "\\font_osf false"
                preamble += "[proportional,osf]"
            preamble += "{cochineal}"
            add_to_preamble(document, [preamble])
            document.header[i] = document.header[i].replace("cochineal", "default")


def revert_cochinealmath(document):
    " Revert cochineal newtxmath definitions to LaTeX " 

    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
        i = find_token(document.header, "\\font_math \"cochineal-ntxm\"", 0)
        if i != -1:
            add_to_preamble(document, "\\usepackage[cochineal]{newtxmath}")
            document.header[i] = document.header[i].replace("cochineal-ntxm", "auto")


def revert_labelonly(document):
    " Revert labelonly tag for InsetRef "
    i = 0
    while (True):
        i = find_token(document.body, "\\begin_inset CommandInset ref", i)
        if i == -1:
            return
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Can't find end of reference inset at line %d!!" %(i))
            i += 1
            continue
        k = find_token(document.body, "LatexCommand labelonly", i, j)
        if k == -1:
            i = j
            continue
        label = get_quoted_value(document.body, "reference", i, j)
        if not label:
            document.warning("Can't find label for reference at line %d!" %(i))
            i = j + 1
            continue
        document.body[i:j+1] = put_cmd_in_ert([label])
        i += 1


def revert_plural_refs(document):
    " Revert plural and capitalized references "
    i = find_token(document.header, "\\use_refstyle 1", 0)
    use_refstyle = (i != 0)

    i = 0
    while (True):
        i = find_token(document.body, "\\begin_inset CommandInset ref", i)
        if i == -1:
            return
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Can't find end of reference inset at line %d!!" %(i))
            i += 1
            continue

        plural = caps = suffix = False
        k = find_token(document.body, "LaTeXCommand formatted", i, j)
        if k != -1 and use_refstyle:
            plural = get_bool_value(document.body, "plural", i, j, False)
            caps   = get_bool_value(document.body, "caps", i, j, False)
            label  = get_quoted_value(document.body, "reference", i, j)
            if label:
                try:
                    (prefix, suffix) = label.split(":", 1)
                except:
                    document.warning("No `:' separator in formatted reference at line %d!" % (i))
            else:
                document.warning("Can't find label for reference at line %d!" % (i))

        # this effectively tests also for use_refstyle and a formatted reference
        # we do this complicated test because we would otherwise do this erasure
        # over and over and over
        if not ((plural or caps) and suffix):
            del_token(document.body, "plural", i, j)
            del_token(document.body, "caps", i, j - 1) # since we deleted a line
            i = j - 1
            continue

        if caps:
            prefix = prefix[0].title() + prefix[1:]
        cmd = "\\" + prefix + "ref"
        if plural:
            cmd += "[s]"
        cmd += "{" + suffix + "}"
        document.body[i:j+1] = put_cmd_in_ert([cmd])
        i += 1


def revert_noprefix(document):
    " Revert labelonly tags with 'noprefix' set "
    i = 0
    while (True):
        i = find_token(document.body, "\\begin_inset CommandInset ref", i)
        if i == -1:
            return
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Can't find end of reference inset at line %d!!" %(i))
            i += 1
            continue
        k = find_token(document.body, "LatexCommand labelonly", i, j)
        if k == -1:
            i = j
            continue
        noprefix = get_bool_value(document.body, "noprefix", i, j)
        if not noprefix:
            del_token(document.body, "noprefix", i, j)
            i = j
            continue
        label = get_quoted_value(document.body, "reference", i, j)
        if not label:
            document.warning("Can't find label for reference at line %d!" %(i))
            i = j + 1
            continue
        try:
            (prefix, suffix) = label.split(":", 1)
        except:
            document.warning("No `:' separator in formatted reference at line %d!" % (i))
            # we'll leave this as an ordinary labelonly reference
            del_token(document.body, "noprefix", i, j)
            i = j
            continue
        document.body[i:j+1] = put_cmd_in_ert([suffix])
        i += 1


##
# Conversion hub
#

supported_versions = ["2.3.0", "2.3"]
convert = [
           [509, [convert_microtype]],
           [510, [convert_dateinset]],
           [511, [convert_ibranches]],
           [512, [convert_beamer_article_styles]],
           [513, []],
           [514, []],
           [515, []],
           [516, [convert_inputenc]],
           [517, []],
           [518, [convert_iopart]],
           [519, [convert_quotestyle]],
           [520, []],
           [521, [convert_frenchquotes]],
           [522, []],
           [523, []],
           [524, []],
           [525, []],
           [526, []],
           [527, []]
          ]

revert =  [
           [526, [revert_noprefix]],
           [525, [revert_plural_refs]],
           [524, [revert_labelonly]],
           [523, [revert_crimson, revert_cochinealmath]],
           [522, [revert_cjkquotes]],
           [521, [revert_dynamicquotes]],
           [520, [revert_britishquotes, revert_swedishgquotes, revert_frenchquotes, revert_frenchinquotes, revert_russianquotes, revert_swissquotes]],
           [519, [revert_plainquote]],
           [518, [revert_quotestyle]],
           [517, [revert_iopart]],
           [516, [revert_quotes]],
           [515, []],
           [514, [revert_urdu, revert_syriac]],
           [513, [revert_amharic, revert_asturian, revert_kannada, revert_khmer]],
           [512, [revert_bosnian, revert_friulan, revert_macedonian, revert_piedmontese, revert_romansh]],
           [511, [revert_beamer_article_styles]],
           [510, [revert_ibranches]],
           [509, []],
           [508, [revert_microtype]]
          ]


if __name__ == "__main__":
    pass