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Serialization of parsed fonts

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This commit is contained in:
Kovid Goyal 2016-06-30 13:49:43 +05:30
parent bbaf9875cc
commit bb4fe4d924
2 changed files with 20 additions and 1 deletions
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18
src/tinycss/fonts3.py
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@ -64,6 +64,24 @@ LEGACY_FONT_SPEC = frozenset('caption icon menu message-box small-caption status
GENERIC_FAMILIES = frozenset('serif sans-serif sansserif cursive fantasy monospace'.split()) GENERIC_FAMILIES = frozenset('serif sans-serif sansserif cursive fantasy monospace'.split())
SIMPLE_NAME_PAT = re.compile(r'[a-zA-Z][a-zA-Z0-9_-]*$') SIMPLE_NAME_PAT = re.compile(r'[a-zA-Z][a-zA-Z0-9_-]*$')
def serialize_font(font_dict):
ans = []
for x in 'style variant weight stretch'.split():
val = font_dict.get('font-' + x)
if val is not None:
ans.append(val)
val = font_dict.get('font-size')
if val is not None:
fs = val
val = font_dict.get('line-height')
if val is not None:
fs += '/' + val
ans.append(fs)
val = font_dict.get('font-family')
if val:
ans.append(serialize_font_family(val))
return ' '.join(ans)
def parse_font(css_string): def parse_font(css_string):
# See https://www.w3.org/TR/css-fonts-3/#font-prop # See https://www.w3.org/TR/css-fonts-3/#font-prop
style = variant = weight = stretch = size = height = None style = variant = weight = stretch = size = height = None

3
src/tinycss/tests/fonts3.py
View File

@ -6,7 +6,7 @@ from __future__ import (unicode_literals, division, absolute_import,
__license__ = 'GPL v3' __license__ = 'GPL v3'
__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>' __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
from tinycss.fonts3 import CSSFonts3Parser, parse_font_family, parse_font from tinycss.fonts3 import CSSFonts3Parser, parse_font_family, parse_font, serialize_font
from tinycss.tests import BaseTest from tinycss.tests import BaseTest
class TestFonts3(BaseTest): class TestFonts3(BaseTest):
@ -52,6 +52,7 @@ class TestFonts3(BaseTest):
def t(raw, **kw): def t(raw, **kw):
q = {('line' if k == 'height' else 'font') + '-' + k:v for k, v in kw.iteritems()} q = {('line' if k == 'height' else 'font') + '-' + k:v for k, v in kw.iteritems()}
self.ae(q, parse_font(raw)) self.ae(q, parse_font(raw))
self.ae(q, parse_font(serialize_font(q)))
t('caption', family=['sans-serif']) t('caption', family=['sans-serif'])
t('serif', family=['serif']) t('serif', family=['serif'])
t('12pt/14pt sans-serif', size='12pt', height='14pt', family=['sans-serif']) t('12pt/14pt sans-serif', size='12pt', height='14pt', family=['sans-serif'])