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A performance improvement for the HTML syntax highlighter

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This commit is contained in:
Kovid Goyal 2014-02-19 15:16:41 +05:30
parent f52f6e4147
commit 3c0a6499a3
1 changed files with 2 additions and 1 deletions
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3
src/calibre/gui2/tweak_book/editor/syntax/html.py
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@ -21,7 +21,7 @@ from html5lib.constants import cdataElements, rcdataElements
cdata_tags = cdataElements | rcdataElements
bold_tags = {'b', 'strong'} | {'h%d' % d for d in range(1, 7)}
italic_tags = {'i', 'em'}
normal_pat = re.compile(r'[^<>&]')
normal_pat = re.compile(r'[^<>&]+')
entity_pat = re.compile(r'&#{0,1}[a-zA-Z0-9]{1,8};')
tag_name_pat = re.compile(r'/{0,1}[a-zA-Z0-9:]+')
space_chars = ' \t\r\n\u000c'
@ -132,6 +132,7 @@ def mark_nbsp(state, text, nbsp_format):
last = 0
for m in nbsp_pat.finditer(text):
ans.extend([(m.start() - last, fmt), (m.end() - m.start(), nbsp_format)])
last = m.end()
if not ans:
ans = [(len(text), fmt)]
return ans