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#!/usr/bin/python3
import argparse
'''
Generate the font config file for Noto CJK fonts
genfontconf.py "lang list" "common font name" "font name" "fallback font name" "prepend latin font" ...
like
genfontconf.py --fallback-font --prepend-latin-font "zh-cn:zh-sg" "monospace" "Source Han Sans CN" "Source Han Sans TW" "DejaVu Sans Mono" "zh-cn:zh-sg" "serif" "Source Han Sans CN" "Source Han Sans TW" "" "zh-cn:zh-sg" "sans-serif" "Source Han Sans CN" "Source Han Sans TW" ""
genfontconf.py "zh-cn:zh-sg" "monospace" "Noto Sans Mono CJK SC" "zh-cn:zh-sg" "serif" "Noto Serif CJK SC" "zh-cn:zh-sg" "sans-serif" "Noto Sans CJK SC"
The above information is in variable length array.
'''
'''
Some Noto CJK fonts may not need "fallback font name"
Skip the "fallback font name" argument if not needed.
'''
fallback_font_name = False
'''
Noto CJK may not need "prepend latin font".
Skip the "prepend latin font" argument if not needed.
'''
prepend_latin_font = False
class FontConfRecord:
@staticmethod
def renderRecord(langlist, common, font, fallback=None, latin=None):
for lang in langlist.split(":"):
FontConfRecord.renderMatch(lang, common, font, fallback, latin)
print()
FontConfRecord.renderAlias(font, common)
print()
@staticmethod
def renderMatch(lang, common, font, fallback, latin):
print('<match>')
FontConfRecord.renderTestLang(lang)
FontConfRecord.renderTestFamily(common)
FontConfRecord.renderEditFamily(font, fallback)
FontConfRecord.renderEditLatinFamily(latin)
print('</match>')
@staticmethod
def renderTestLang(lang):
print('<test name="lang">')
print('<string>{0}</string>'.format(lang))
print('</test>')
@staticmethod
def renderTestFamily(common):
print('<test name="family">')
print('<string>{0}</string>'.format(common))
print('</test>')
@staticmethod
def renderEditFamily(font, fallback):
print('<edit name="family" mode="prepend">')
print('<string>{0}</string>'.format(font))
if fallback:
print('<string>{0}</string>'.format(fallback))
print('</edit>')
@staticmethod
def renderEditLatinFamily(latin):
if not latin:
return
print('<edit name="family" mode="prepend" binding="strong">')
print('<string>{0}</string>'.format(latin))
print('</edit>')
@staticmethod
def renderAlias(font, common):
print('<alias>')
print('<family>{0}</family>'.format(font))
print('<default>')
print('<family>{0}</family>'.format(common))
print('</default>')
print('</alias>')
class FontConfFile:
@staticmethod
def renderFile(strings):
FontConfFile.renderHeader()
FontConfFile.renderBody(strings)
FontConfFile.renderFooter()
@staticmethod
def renderHeader():
print('<?xml version="1.0"?>')
print('<!DOCTYPE fontconfig SYSTEM "fonts.dtd">')
print('<fontconfig>')
@staticmethod
def renderBody(strings):
num = 3
if fallback_font_name:
num += 1
if prepend_latin_font:
num += 1
while len(strings):
items = strings[0:num]
strings = strings[num:]
if num == 3:
FontConfRecord.renderRecord(items[0], items[1], items[2])
if num == 4:
if fallback_font_name:
FontConfRecord.renderRecord \
(items[0], items[1], items[2], items[3])
if prepend_latin_font:
FontConfRecord.renderRecord \
(items[0], items[1], items[2], None, items[3])
if num == 5:
FontConfRecord.renderRecord \
(items[0], items[1], items[2], items[3], items[4])
@staticmethod
def renderFooter():
print('</fontconfig>')
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Generate font config.')
parser.add_argument('strings', metavar='string', type=str, nargs='+',
help='strings')
parser.add_argument('--fallback-font', dest='fallback_font', action='store_true')
parser.add_argument('--disable-fallback-font', dest='fallback_font', action='store_false')
parser.set_defaults(fallback_font=False)
parser.add_argument('--prepend-latin-font', dest='prepend_latin_font', action='store_true')
parser.add_argument('--disable-prepend-latin-font', dest='prepend_latin_font', action='store_false')
parser.set_defaults(prepend_latin_font=False)
args = parser.parse_args()
#print(args)
fallback_font_name = args.fallback_font
prepend_latin_font = args.prepend_latin_font
FontConfFile.renderFile(args.strings)
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