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Fix lyx2lyx unicodesymbols escaping

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The escaping of symbols read from unicodesymbols was inconsistent, which lead
to wrong replacements (bug 9559). Now the escaping is consistent: unicode_reps
contains unescaped LaTeX commands, the needed escaping for LyX files is
applied in put_cmd_in_ert() and lyx2latex().
This commit is contained in:
Georg Baum 2015-06-14 12:44:44 +02:00
parent aa4d41d282
commit a2f127f8c3
4 changed files with 18 additions and 10 deletions
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4
lib/lyx2lyx/lyx2lyx_tools.py
View File

@ -125,7 +125,7 @@ def put_cmd_in_ert(arg):
else:
s = arg
for rep in unicode_reps:
s = s.replace(rep[1], rep[0].replace('\\\\', '\\'))
s = s.replace(rep[1], rep[0])
s = s.replace('\\', "\\backslash\n")
ret += s.splitlines()
ret += ["\\end_layout", "", "\\end_inset"]
@ -254,7 +254,7 @@ def lyx2latex(document, lines):
# Do the LyX text --> LaTeX conversion
for rep in unicode_reps:
line = line.replace(rep[1], rep[0] + "{}")
line = line.replace(rep[1], rep[0])
line = line.replace(r'\backslash', r'\textbackslash{}')
line = line.replace(r'\series bold', r'\bfseries{}').replace(r'\series default', r'\mdseries{}')
line = line.replace(r'\shape italic', r'\itshape{}').replace(r'\shape smallcaps', r'\scshape{}')

1
lib/lyx2lyx/lyx_1_5.py
View File

@ -343,6 +343,7 @@ def revert_utf8(document):
convert_multiencoding(document, False)
# FIXME: Use the version in unicode_symbols.py which has some bug fixes
def read_unicodesymbols():
" Read the unicodesymbols list of unicode characters and corresponding commands."
pathname = os.path.abspath(os.path.dirname(sys.argv[0]))

1
lib/lyx2lyx/lyx_1_6.py
View File

@ -145,6 +145,7 @@ def set_option(document, m, option, value):
return l
# FIXME: Use the version in unicode_symbols.py which has some bug fixes
def read_unicodesymbols():
" Read the unicodesymbols list of unicode characters and corresponding commands."
pathname = os.path.abspath(os.path.dirname(sys.argv[0]))

22
lib/lyx2lyx/unicode_symbols.py
View File

@ -31,30 +31,36 @@ def read_unicodesymbols():
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
# A backslash, 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 or even \" u.
r = re.compile(r'\\\\(\W)\{(\w)\}')
# The two backslashes in the string literal are needed to specify a literal
# backslash in the regex. Without r prefix, these would be four backslashes.
r = re.compile(r'\\(\W)\{(\w)\}')
for line in fp.readlines():
if line[0] != '#' and line.strip() != "":
# Note: backslashes in the string literals with r prefix are not escaped,
# so one backslash in the source file equals one backslash in memory.
# Without r prefix backslahses are escaped, so two backslashes in the
# source file equal one backslash in memory.
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)
line=line.replace(r'\"','"') # unescape "
line=line.replace(r'\\','\\') # unescape \
try:
[ucs4,command,dead] = line.split(None,2)
if command[0:1] != "\\":
continue
if (line.find("notermination=text") < 0 and
line.find("notermination=both") < 0 and command[-1] != "}"):
command = command + "{}"
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 = "\\"
commandbl = command
command += m.group(1) + m.group(2)
commandbl += m.group(1) + ' ' + m.group(2)