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#!/usr/bin/env python3
__doc__ = 'export anchor data from UFO to XML file'
__url__ = 'https://github.com/silnrsi/pysilfont'
__copyright__ = 'Copyright (c) 2015,2016 SIL International (https://www.sil.org)'
__license__ = 'Released under the MIT License (https://opensource.org/licenses/MIT)'
__author__ = 'David Rowe'
from silfont.core import execute
from silfont.etutil import ETWriter
from xml.etree import ElementTree as ET
argspec = [
('ifont',{'help': 'Input UFO'}, {'type': 'infont'}),
('output',{'help': 'Output file exported anchor data in XML format', 'nargs': '?'}, {'type': 'outfile', 'def': '_anc.xml'}),
('-r','--report',{'help': 'Set reporting level for log', 'type':str, 'choices':['X','S','E','P','W','I','V']},{}),
('-l','--log',{'help': 'Set log file name'}, {'type': 'outfile', 'def': '_anc.log'}),
('-g','--gid',{'help': 'Include GID attribute in <glyph> elements', 'action': 'store_true'},{}),
('-s','--sort',{'help': 'Sort by public.glyphOrder in lib.plist', 'action': 'store_true'},{}),
('-u','--Uprefix',{'help': 'Include U+ prefix on UID attribute in <glyph> elements', 'action': 'store_true'},{}),
('-p','--params',{'help': 'XML formatting parameters: indentFirst, indentIncr, attOrder','action': 'append'}, {'type': 'optiondict'})
]
def doit(args) :
logfile = args.logger
if args.report: logfile.loglevel = args.report
infont = args.ifont
prefix = "U+" if args.Uprefix else ""
if hasattr(infont, 'lib') and 'public.glyphOrder' in infont.lib:
glyphorderlist = [s.text for s in infont.lib['public.glyphOrder'][1].findall('string')]
else:
glyphorderlist = []
if args.gid:
logfile.log("public.glyphOrder is absent; ignoring --gid option", "E")
args.gid = False
glyphorderset = set(glyphorderlist)
if len(glyphorderlist) != len(glyphorderset):
logfile.log("At least one duplicate name in public.glyphOrder", "W")
# count of duplicate names is len(glyphorderlist) - len(glyphorderset)
actualglyphlist = [g for g in infont.deflayer.keys()]
actualglyphset = set(actualglyphlist)
listorder = []
gid = 0
for g in glyphorderlist:
if g in actualglyphset:
listorder.append( (g, gid) )
gid += 1
actualglyphset.remove(g)
glyphorderset.remove(g)
else:
logfile.log(g + " in public.glyphOrder list but absent from UFO", "W")
if args.sort: listorder.sort()
for g in sorted(actualglyphset): # if any glyphs remaining
listorder.append( (g, None) )
logfile.log(g + " in UFO but not in public.glyphOrder list", "W")
if 'postscriptFontName' in infont.fontinfo:
postscriptFontName = infont.fontinfo['postscriptFontName'][1].text
else:
if 'styleMapFamilyName' in infont.fontinfo:
family = infont.fontinfo['styleMapFamilyName'][1].text
elif 'familyName' in infont.fontinfo:
family = infont.fontinfo['familyName'][1].text
else:
family = "UnknownFamily"
if 'styleMapStyleName' in infont.fontinfo:
style = infont.fontinfo['styleMapStyleName'][1].text.capitalize()
elif 'styleName' in infont.fontinfo:
style = infont.fontinfo['styleName'][1].text
else:
style = "UnknownStyle"
postscriptFontName = '-'.join((family,style)).replace(' ','')
fontElement= ET.Element('font', upem=infont.fontinfo['unitsPerEm'][1].text, name=postscriptFontName)
for g, i in listorder:
attrib = {'PSName': g}
if args.gid and i != None: attrib['GID'] = str(i)
u = infont.deflayer[g]['unicode']
if len(u)>0: attrib['UID'] = prefix + u[0].element.get('hex')
glyphElement = ET.SubElement(fontElement, 'glyph', attrib)
anchorlist = []
for a in infont.deflayer[g]['anchor']:
anchorlist.append( (a.element.get('name'), int(float(a.element.get('x'))), int(float(a.element.get('y'))) ) )
anchorlist.sort()
for a, x, y in anchorlist:
anchorElement = ET.SubElement(glyphElement, 'point', attrib = {'type': a})
locationElement = ET.SubElement(anchorElement, 'location', attrib = {'x': str(x), 'y': str(y)})
# instead of simple serialization with: ofile.write(ET.tostring(fontElement))
# create ETWriter object and specify indentation and attribute order to get normalized output
ofile = args.output
indentFirst = args.params.get('indentFirst', "")
indentIncr = args.params.get('indentIncr', " ")
attOrder = args.params.get('attOrder', "name,upem,PSName,GID,UID,type,x,y")
x = attOrder.split(',')
attributeOrder = dict(zip(x,range(len(x))))
etwobj=ETWriter(fontElement, indentFirst=indentFirst, indentIncr=indentIncr, attributeOrder=attributeOrder)
ofile.write(etwobj.serialize_xml())
def cmd() : execute("UFO",doit,argspec)
if __name__ == "__main__": cmd()
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