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#!/usr/bin/python
from __future__ import print_function
from lxml import etree
from utils.misc import downloadWithProgressBar
from utils import mathfont
import json
# Retrieve the unicode.xml file if necessary.
unicodeXML = downloadWithProgressBar("http://www.w3.org/2003/entities/2007xml/unicode.xml")
# Extract the mathvariants transformation.
xsltTransform = etree.XSLT(etree.XML('''\
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="charlist">
<root><xsl:apply-templates select="character"/></root>
</xsl:template>
<xsl:template match="character">
<xsl:if test="surrogate">
<entry>
<xsl:attribute name="mathvariant">
<xsl:value-of select="surrogate/@mathvariant"/>
</xsl:attribute>
<xsl:attribute name="baseChar">
<xsl:value-of select="surrogate/@ref"/>
</xsl:attribute>
<xsl:attribute name="transformedChar">
<xsl:choose>
<xsl:when test="bmp">
<xsl:value-of select="bmp/@ref"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@id"/>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
</entry>
</xsl:if>
</xsl:template>
</xsl:stylesheet>'''))
# 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"]
# Create a WOFF font for each mathvariant.
for mathvariant in mathvariantTransforms:
font = mathfont.create("mathvariant-%s" % mathvariant)
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 test font for each mathvariant.
for mathvariant in mathvariantTransforms:
print("Generating test 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")
source = '\
<!DOCTYPE html>\n\
<html>\n\
<head>\n\
<meta charset="utf-8"/>\n\
<title>mathvariant %s</title>\n'
reftest.write(source % mathvariant)
reftestReference.write(source % ("%s (reference)" % mathvariant))
source ='\
<link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S2.html#SS3.SSS1.tab2"/>\n\
<link rel="match" href="mathvariant-%s-ref.html"/>\n\
<meta name="assert" content="Verify that a single-char <mtext> with a %s mathvariant is equivalent to an <mtext> with the transformed unicode character.">\n'
reftest.write(source % (mathvariant, mathvariant))
source = '\
<style>\n\
@font-face {\n\
font-family: TestFont;\n\
src: url("/fonts/math/mathvariant-%s.woff");\n\
}\n\
body > span {\n\
padding: 10px;\n\
}\n\
span > span {\n\
font-family: monospace;\n\
font-size: 10px;\n\
}\n\
math {\n\
font-family: TestFont;\n\
font-size: 10px;\n\
}\n\
</style>\n\
<body>\n\
<!-- Generated by mathml/tools/mathvariant.py; DO NOT EDIT. -->\n\
<p>Test passes if all the equalities below are true.</p>\n' % mathvariant
reftest.write(source)
reftestReference.write(source)
charIndex = 0
for baseChar in mathvariantTransforms[mathvariant]:
transformedChar = mathvariantTransforms[mathvariant][baseChar]
reftest.write(' <span><math><mtext mathvariant="%s">&#x%0X;</mtext></math>=<span>%05X</span></span>' % (mathvariant, baseChar, transformedChar))
reftestReference.write(' <span><math><mtext>&#x%0X;</mtext></math>=<span>%05X</span></span>' % (transformedChar, transformedChar))
charIndex += 1
if charIndex % 10 == 0:
reftest.write('<br/>')
reftestReference.write('<br/>')
reftest.write('\n')
reftestReference.write('\n')
source = '</body>\n</html>\n'
reftest.write(source)
reftestReference.write(source)
reftest.close()
reftestReference.close()
print(" done.")
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