#!/usr/bin/env python3
from lxml import etree
from utils.misc import downloadWithProgressBar, UnicodeXMLURL
from utils import mathfont
# Retrieve the unicode.xml file if necessary.
unicodeXML = downloadWithProgressBar(UnicodeXMLURL)
# Extract the mathvariants transformation.
xsltTransform = etree.XSLT(etree.XML('''\
'''))
# Put the mathvariant transforms into a Python structure.
mathvariantTransforms = {}
root = xsltTransform(etree.parse(unicodeXML)).getroot()
def parseCodePoint(aHexaString):
return int("0x%s" % aHexaString[1:], 16)
for entry in root:
mathvariant = entry.get("mathvariant")
baseChar = parseCodePoint(entry.get("baseChar"))
transformedChar = parseCodePoint(entry.get("transformedChar"))
if mathvariant not in mathvariantTransforms:
mathvariantTransforms[mathvariant] = {}
mathvariantTransforms[mathvariant][baseChar] = transformedChar
# There is no "isolated" mathvariant.
del mathvariantTransforms["isolated"]
# Automatic mathvariant uses the same transform as italic.
# It is handled specially (see below).
mathvariantTransforms["auto"] = mathvariantTransforms["italic"]
# Create a WOFF font for each mathvariant.
for mathvariant in mathvariantTransforms:
if mathvariant == "auto":
continue
font = mathfont.create("mathvariant-%s" % mathvariant, "Copyright (c) 2016 MathML Association")
for baseChar in mathvariantTransforms[mathvariant]:
if baseChar not in font:
mathfont.createGlyphFromValue(font, baseChar)
transformedChar = mathvariantTransforms[mathvariant][baseChar]
mathfont.createGlyphFromValue(font, transformedChar)
mathfont.save(font)
# Create a MathML and CSS test for each mathvariant.
for mathvariant in mathvariantTransforms:
print("Generating tests for %s..." % mathvariant, end="")
reftest = open("../relations/css-styling/mathvariant-%s.html" % mathvariant, "w")
reftestReference = open("../relations/css-styling/mathvariant-%s-ref.html" % mathvariant, "w")
CSSreftest = open("../../css/css-text/text-transform/math/text-transform-math-%s-001.tentative.html" % mathvariant, "w")
CSSreftestReference = open("../../css/css-text/text-transform/math/text-transform-math-%s-001.tentative-ref.html" % mathvariant, "w")
source = '\
\n\
\n\
\n\
\n\
%s\n'
reftest.write(source % ("mathvariant %s" % mathvariant))
reftestReference.write(source % ("mathvariant %s (reference)" % mathvariant))
CSSreftest.write(source % ("text-transform math-%s" % mathvariant))
CSSreftestReference.write(source % ("text-transform math-%s (reference)" % mathvariant))
if mathvariant == "auto":
mathAssert = "Verify that a single-char is equivalent to an with the transformed italic unicode character."
mapping = "italic"
else:
mathAssert = "Verify that a single-char with a %s mathvariant is equivalent to an with the transformed unicode character." % mathvariant
mapping = mathvariant
source ='\
\n\
\n\
\n\
\n\
\n\
\n'
reftest.write(source % (mapping, mathvariant, mathAssert))
source = '\
\n\
\n\
\n\
\n\
\n'
CSSreftest.write(source % (mapping, mathvariant, mathvariant))
WOFFfont = "mathvariant-%s.woff" % mapping
source = '\
\n\
\n\
\n\