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
This commit is contained in:
Richard Heck 2008-07-07 20:31:06 +00:00
parent 59553ea2c7
commit bdb72502aa

View File

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