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Fix lyx2lyx conversion of dashes.
This commit is contained in:
Günter Milde
parent
291d2f1037
commit
586d16a49c
@ -659,6 +659,12 @@ def convert_dashes(document):
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def revert_dashes(document):
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"convert \\twohyphens and \\threehyphens to -- and ---"
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# eventually remove preamble code from 2.3->2.2 conversion:
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for i, line in enumerate(document.preamble):
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if i > 1 and line == r'\renewcommand{\textemdash}{---}':
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if (document.preamble[i-1] == r'\renewcommand{\textendash}{--}'
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and document.preamble[i-2] == '% Added by lyx2lyx'):
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del document.preamble[i-2:i+1]
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i = 0
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while i < len(document.body):
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words = document.body[i].split()
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@ -1841,58 +1841,63 @@ def revert_chapterbib(document):
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def convert_dashligatures(document):
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" Remove a zero-length space (U+200B) after en- and em-dashes. "
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i = find_token(document.header, "\\use_microtype", 0)
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if i != -1:
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if document.initial_format > 474 and document.initial_format < 509:
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# This was created by LyX 2.2
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document.header[i+1:i+1] = ["\\use_dash_ligatures false"]
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else:
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# This was created by LyX 2.1 or earlier
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document.header[i+1:i+1] = ["\\use_dash_ligatures true"]
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i = 0
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while i < len(document.body):
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words = document.body[i].split()
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"Set 'use_dash_ligatures' according to content."
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use_dash_ligatures = None
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# eventually remove preamble code from 2.3->2.2 conversion:
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for i, line in enumerate(document.preamble):
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if i > 1 and line == r'\renewcommand{\textemdash}{---}':
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if (document.preamble[i-1] == r'\renewcommand{\textendash}{--}'
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and document.preamble[i-2] == '% Added by lyx2lyx'):
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del document.preamble[i-2:i+1]
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use_dash_ligatures = True
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if use_dash_ligatures is None:
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# Look for dashes:
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# (Documents by LyX 2.1 or older have "\twohyphens\n" or "\threehyphens\n"
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# as interim representation for dash ligatures in 2.2.)
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has_literal_dashes = False
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has_ligature_dashes = False
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j = 0
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for i, line in enumerate(document.body):
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# Skip some document parts where dashes are not converted
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if (i < j) or line.startswith("\\labelwidthstring"):
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continue
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words = line.split()
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if len(words) > 1 and words[0] == "\\begin_inset" and \
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words[1] in ["CommandInset", "ERT", "External", "Formula", \
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words[1] in ["CommandInset", "ERT", "External", "Formula",
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"FormulaMacro", "Graphics", "IPA", "listings"]:
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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: Can't find end of " \
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+ words[1] + " inset at line " + str(i))
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i += 1
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else:
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i = j
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document.warning("Malformed LyX document: "
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"Can't find end of %s inset at line %d" % (words[1],i))
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continue
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if len(words) > 0 and words[0] in ["\\leftindent", \
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"\\paragraph_spacing", "\\align", "\\labelwidthstring"]:
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i += 1
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continue
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start = 0
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while True:
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j = document.body[i].find(u"\u2013", start) # en-dash
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k = document.body[i].find(u"\u2014", start) # em-dash
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if j == -1 and k == -1:
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break
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if j == -1 or (k != -1 and k < j):
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j = k
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after = document.body[i][j+1:]
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if after.startswith(u"\u200B"):
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document.body[i] = document.body[i][:j+1] + after[1:]
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else:
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if len(after) == 0 and document.body[i+1].startswith(u"\u200B"):
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document.body[i+1] = document.body[i+1][1:]
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break
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start = j+1
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i += 1
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# literal dash followed by a word or no-break space:
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if re.search(u"[\u2013\u2014]([\w\u00A0]|$)", line,
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flags=re.UNICODE):
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has_literal_dashes = True
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# ligature dash followed by word or no-break space on next line:
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if re.search(ur"(\\twohyphens|\\threehyphens)", line,
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flags=re.UNICODE) and re.match(u"[\w\u00A0]",
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document.body[i+1], flags=re.UNICODE):
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has_ligature_dashes = True
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if has_literal_dashes and has_ligature_dashes:
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# TODO: insert a warning note in the document?
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document.warning('This document contained both literal and '
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'"ligature" dashes.\n Line breaks may have changed. '
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'See UserGuide chapter 3.9.1 for details.')
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elif has_literal_dashes:
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use_dash_ligatures = False
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elif has_ligature_dashes:
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use_dash_ligatures = True
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# insert the setting if there is a preferred value
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if use_dash_ligatures is not None:
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i = find_token(document.header, "\\use_microtype", 0)
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if i != -1:
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document.header.insert(i+1, "\\use_dash_ligatures %s"
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% str(use_dash_ligatures).lower())
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def revert_dashligatures(document):
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" Remove font ligature settings for en- and em-dashes. "
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"""Remove font ligature settings for en- and em-dashes.
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Revert conversion of \twodashes or \threedashes to literal dashes."""
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i = find_token(document.header, "\\use_dash_ligatures", 0)
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if i == -1:
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return
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@ -1902,42 +1907,34 @@ def revert_dashligatures(document):
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i = find_token(document.header, "\\use_non_tex_fonts", 0)
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if i != -1:
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use_non_tex_fonts = get_bool_value(document.header, "\\use_non_tex_fonts", i)
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if not use_dash_ligatures or use_non_tex_fonts:
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if not use_dash_ligatures or document.backend != "latex":
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return
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# Add a zero-length space (U+200B) after en- and em-dashes
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i = 0
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while i < len(document.body):
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words = document.body[i].split()
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j = 0
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new_body = []
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for i, line in enumerate(document.body):
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# Skip some document parts where dashes are not converted
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if (i < j) or line.startswith("\\labelwidthstring"):
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new_body.append(line)
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continue
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words = line.split()
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if len(words) > 1 and words[0] == "\\begin_inset" and \
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words[1] in ["CommandInset", "ERT", "External", "Formula", \
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words[1] in ["CommandInset", "ERT", "External", "Formula",
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"FormulaMacro", "Graphics", "IPA", "listings"]:
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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: Can't find end of " \
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document.warning("Malformed LyX document: Can't find end of "
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+ words[1] + " inset at line " + str(i))
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i += 1
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else:
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i = j
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new_body.append(line)
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continue
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if len(words) > 0 and words[0] in ["\\leftindent", \
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"\\paragraph_spacing", "\\align", "\\labelwidthstring"]:
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i += 1
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continue
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start = 0
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while True:
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j = document.body[i].find(u"\u2013", start) # en-dash
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k = document.body[i].find(u"\u2014", start) # em-dash
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if j == -1 and k == -1:
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break
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if j == -1 or (k != -1 and k < j):
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j = k
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after = document.body[i][j+1:]
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document.body[i] = document.body[i][:j+1] + u"\u200B" + after
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start = j+1
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i += 1
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line = line.replace(u'\u2013', '\\twohyphens\n')
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line = line.replace(u'\u2014', '\\threehyphens\n')
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lines = line.split('\n')
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new_body.extend(line.split('\n'))
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document.body = new_body
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# redefine the dash LICRs to use ligature dashes:
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add_to_preamble(document, [r'\renewcommand{\textendash}{--}',
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r'\renewcommand{\textemdash}{---}'])
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def revert_noto(document):
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