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#!/usr/bin/env python
'''Process font documentation .md files for use on product sites '''
__url__ = 'http://github.com/silnrsi/fontdocs'
__copyright__ = 'Copyright (c) 2021-2023 SIL International (http://www.sil.org)'
__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
__author__ = 'Victor Gaultney'
import re
from silfont.core import execute
argspec = [
('infile', {'help': 'Input .md filename'}, {'type': 'infile'}),
('outfile',{'help': 'Output .md filename'}, {'type': 'outfile'})
]
def doit(args):
infile = args.infile
outfile = args.outfile
firstline = True
inheader = False
inpsonly = False
infontsc = False
classes = []
temptext = ""
# remove YAML header and uncomment the [font] shortcode
for line in infile:
if firstline:
firstline = False
inheader = True
continue
if inheader:
if line.startswith("---"):
inheader = False
continue
if line.startswith("<!-- PRODUCT SITE ONLY"):
inpsonly = True
continue
if inpsonly:
if line.startswith("-->"):
inpsonly = False
continue
if line.startswith("[font") and infontsc == False:
infontsc = True
fontscre = re.compile(r"\[font id='(\w+)'(.+)\]")
fontsc = fontscre.match(line)
fontscid = fontsc.group(1)
fontscend = fontsc.group(2)
temptext = temptext + line
# reconfigure image markup
mdimage = re.compile(r"!\[(.*?)\]\((\S+\.\w+)\)\{\.(\S+)\}\n?<!--\sPRODUCT\sSITE\sIMAGE\sSRC\s(\S+)\s-->")
temptext = mdimage.sub(r"<img class='\3' alt='\1' src='\4' />", temptext)
mdimagecap = re.compile(r"<figcaption>(.*?)<\/figcaption>")
temptext = mdimagecap.sub(r"[caption]<em>\1</em>[/caption]", temptext)
# replace local links with site references
temptext = temptext.replace(".md","")
# replace links to external markdown files
temptext = temptext.replace(".rawmd",".md")
# replace escaped @ in link texts
temptext = temptext.replace("[\@","[@")
# make a list of new classes needed for font shortcode
# separate searches for spans with 1, 2, or 3 settings
fontclass1 = re.compile(r"style='font-feature-settings:\s\"(\w+\d*)\"\s(\d+)'")
fontclass2 = re.compile(r"style='font-feature-settings:\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+)'")
fontclass3 = re.compile(r"style='font-feature-settings:\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+)'")
for match in fontclass1.finditer(temptext):
classes.append(("-" + match.group(1) + "-" + match.group(2), match.group(1) + " " + match.group(2)))
for match in fontclass2.finditer(temptext):
classes.append(("-" + match.group(1) + "-" + match.group(2) + "-" + match.group(3) + "-" + match.group(4), match.group(1) + " " + match.group(2) + ", " + match.group(3) + " " + match.group(4)))
for match in fontclass3.finditer(temptext):
classes.append(("-" + match.group(1) + "-" + match.group(2) + "-" + match.group(3) + "-" + match.group(4) + "-" + match.group(5) + "-" + match.group(6), match.group(1) + " " + match.group(2) + ", " + match.group(3) + " " + match.group(4) + ", " + match.group(5) + " " + match.group(6)))
# transform explicit font feature settings into classes
# separate searches for spans with 1, 2, or 3 settings
fontspan1 = re.compile(r"class='(\w+)+-(\w+)+\snormal'\sstyle='font-feature-settings:\s\"(\w+\d*)\"\s(\d+)'>")
fontspan2 = re.compile(r"class='(\w+)+-(\w+)+\snormal'\sstyle='font-feature-settings:\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+)'>")
fontspan3 = re.compile(r"class='(\w+)+-(\w+)+\snormal'\sstyle='font-feature-settings:\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+),\s\"(\w+\d*)\"\s(\d+)'>")
temptext = fontspan1.sub(r"class='\1-\3-\4-\2 normal'>", temptext)
temptext = fontspan2.sub(r"class='\1-\3-\4-\5-\6-\2 normal'>", temptext)
temptext = fontspan3.sub(r"class='\1-\3-\4-\5-\6-\7-\8-\2 normal'>", temptext)
# add new font sortcodes for added classes
for c in classes:
temptext = temptext + "[font id='" + fontscid + c[0] + "'" + fontscend + " feats='" + c[1] + "']\n"
outfile.write(temptext)
return
def cmd() : execute(None,doit, argspec)
if __name__ == "__main__": cmd()
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