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Use the unicodesymbols file for the latex2lyx conversion.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25495 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -114,32 +114,56 @@ def set_option(document, m, option, value):
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return l
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# To convert and revert indices, we need to convert between LaTeX
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# strings and LyXText. Here we do a minimal conversion to prevent
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# crashes and data loss. Manual patch-up may be needed.
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replacements = [
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[r'\\\"a', u'ä'],
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[r'\\\"o', u'ö'],
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[r'\\\"u', u'ü'],
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[r'\\\'a', u'á'],
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[r'\\\'e', u'é'],
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[r'\\\'i', u'í'],
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[r'\\\'o', u'ó'],
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[r'\\\'u', u'ú']
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]
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def read_unicodesymbols():
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" Read the unicodesymbols list of unicode characters and corresponding commands."
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pathname = os.path.abspath(os.path.dirname(sys.argv[0]))
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fp = open(os.path.join(pathname.strip('lyx2lyx'), 'unicodesymbols'))
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spec_chars = []
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# Two backslashes, followed by some non-word character, and then a character
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# in brackets. The idea is to check for constructs like: \"{u}, which is how
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# they are written in the unicodesymbols file; but they can also be written
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# as: \"u.
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r = re.compile(r'\\\\(\W)\{(\w)\}')
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for line in fp.readlines():
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if line[0] != '#' and line.strip() != "":
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line=line.replace(' "',' ') # remove all quotation marks with spaces before
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line=line.replace('" ',' ') # remove all quotation marks with spaces after
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line=line.replace(r'\"','"') # replace \" by " (for characters with diaeresis)
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try:
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[ucs4,command,dead] = line.split(None,2)
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spec_chars.append([command, unichr(eval(ucs4))])
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except:
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continue
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m = r.match(command)
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if m != None:
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command = "\\\\"
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# If the character is a double-quote, then we need to escape it, too,
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# since it is done that way in the LyX file.
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if m.group(1) == "\"":
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command += "\\"
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command += m.group(1) + m.group(2)
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spec_chars.append([command, unichr(eval(ucs4))])
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fp.close()
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return spec_chars
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def latex2lyx(data):
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'''Takes a string, possibly multi-line, and returns the result of
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converting LaTeX constructs into LyX constructs. Returns a list of
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lines, suitable for insertion into document.body.'''
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# Do the LaTeX --> LyX text conversion
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r2 = re.compile('^(.*?)(\$.*?\$)(.*)')
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mathre = re.compile('^(.*?)(\$.*?\$)(.*)')
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retval = []
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# Convert LaTeX to Unicode
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# FIXME This should probably use the list we have elsewhere
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for rep in replacements:
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reps = read_unicodesymbols()
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for rep in reps:
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try:
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data = data.replace(rep[0], rep[1])
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except:
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# There seems to be a character in the unicodesymbols file
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# that causes problems, namely, 0x2109.
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pass
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# Generic, \" -> ":
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data = wrap_into_ert(data, r'\"', '"')
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# Math:
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@ -149,8 +173,8 @@ def latex2lyx(data):
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#document.warning(str(i) + ":" + document.body[i])
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#document.warning("LAST: " + document.body[-1])
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g = line
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while r2.match(g):
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m = r2.match(g)
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while mathre.match(g):
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m = mathre.match(g)
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s = m.group(1)
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f = m.group(2).replace('\\\\', '\\')
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g = m.group(3)
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