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RTF Output: Add support for unicode characters

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This commit is contained in:
Kovid Goyal 2010-01-07 13:14:04 -07:00
parent c1681c59b4
commit 92f66311c6
1 changed files with 20 additions and 3 deletions
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23
src/calibre/ebooks/rtf/rtfml.py
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@ -23,6 +23,7 @@ from calibre.ebooks.oeb.base import XHTML, XHTML_NS, barename, namespace, \
OEB_RASTER_IMAGES
from calibre.ebooks.oeb.stylizer import Stylizer
from calibre.ebooks.metadata import authors_to_string
from calibre.utils.filenames import ascii_text
TAGS = {
'b': '\\b',
@ -77,6 +78,22 @@ TODO:
* Tables
* Fonts
'''
def txt2rtf(text):
if not isinstance(text, unicode):
return text
buf = cStringIO.StringIO()
for x in text:
val = ord(x)
if val <= 127:
buf.write(x)
else:
repl = ascii_text(x)
c = r'\uc{2}\u{0:d}{1}'.format(val, repl, len(repl))
buf.write(c)
return buf.getvalue()
class RTFMLizer(object):
def __init__(self, log):
@ -217,7 +234,7 @@ class RTFMLizer(object):
# Proccess tags that contain text.
if hasattr(elem, 'text') and elem.text != None and elem.text.strip() != '':
text += '%s' % elem.text
text += txt2rtf(elem.text)
for item in elem:
text += self.dump_text(item, stylizer, tag_stack)
@ -233,8 +250,8 @@ class RTFMLizer(object):
if hasattr(elem, 'tail') and elem.tail != None and elem.tail.strip() != '':
if 'block' in tag_stack:
text += '%s ' % elem.tail
text += '%s ' % txt2rtf(elem.tail)
else:
text += '{\\par \\pard \\hyphpar %s}' % elem.tail
text += '{\\par \\pard \\hyphpar %s}' % txt2rtf(elem.tail)
return text