1 files changed, 132 insertions, 0 deletions
diff --git a/Lib/fontTools/misc/xmlReader.py b/Lib/fontTools/misc/xmlReader.py
new file mode 100644
index 00000000..85dd4410
--- /dev/null
+++ b/Lib/fontTools/misc/xmlReader.py
@@ -0,0 +1,132 @@
+from __future__ import print_function, division, absolute_import
+from fontTools.misc.py23 import *
+from fontTools import ttLib
+from fontTools.misc.textTools import safeEval
+from fontTools.ttLib.tables.DefaultTable import DefaultTable
+import os
+
+
+class TTXParseError(Exception): pass
+
+BUFSIZE = 0x4000
+
+
+class XMLReader(object):
+	
+	def __init__(self, fileName, ttFont, progress=None, quiet=False):
+		self.ttFont = ttFont
+		self.fileName = fileName
+		self.progress = progress
+		self.quiet = quiet
+		self.root = None
+		self.contentStack = []
+		self.stackSize = 0
+	
+	def read(self):
+		if self.progress:
+			import stat
+			self.progress.set(0, os.stat(self.fileName)[stat.ST_SIZE] // 100 or 1)
+		file = open(self.fileName)
+		self._parseFile(file)
+		file.close()
+	
+	def _parseFile(self, file):
+		from xml.parsers.expat import ParserCreate
+		parser = ParserCreate()
+		parser.StartElementHandler = self._startElementHandler
+		parser.EndElementHandler = self._endElementHandler
+		parser.CharacterDataHandler = self._characterDataHandler
+		
+		pos = 0
+		while True:
+			chunk = file.read(BUFSIZE)
+			if not chunk:
+				parser.Parse(chunk, 1)
+				break
+			pos = pos + len(chunk)
+			if self.progress:
+				self.progress.set(pos // 100)
+			parser.Parse(chunk, 0)
+	
+	def _startElementHandler(self, name, attrs):
+		stackSize = self.stackSize
+		self.stackSize = stackSize + 1
+		if not stackSize:
+			if name != "ttFont":
+				raise TTXParseError("illegal root tag: %s" % name)
+			sfntVersion = attrs.get("sfntVersion")
+			if sfntVersion is not None:
+				if len(sfntVersion) != 4:
+					sfntVersion = safeEval('"' + sfntVersion + '"')
+				self.ttFont.sfntVersion = sfntVersion
+			self.contentStack.append([])
+		elif stackSize == 1:
+			subFile = attrs.get("src")
+			if subFile is not None:
+				subFile = os.path.join(os.path.dirname(self.fileName), subFile)
+				subReader = XMLReader(subFile, self.ttFont, self.progress, self.quiet)
+				subReader.read()
+				self.contentStack.append([])
+				return
+			tag = ttLib.xmlToTag(name)
+			msg = "Parsing '%s' table..." % tag
+			if self.progress:
+				self.progress.setlabel(msg)
+			elif self.ttFont.verbose:
+				ttLib.debugmsg(msg)
+			else:
+				if not self.quiet:
+					print(msg)
+			if tag == "GlyphOrder":
+				tableClass = ttLib.GlyphOrder
+			elif "ERROR" in attrs or ('raw' in attrs and safeEval(attrs['raw'])):
+				tableClass = DefaultTable
+			else:
+				tableClass = ttLib.getTableClass(tag)
+				if tableClass is None:
+					tableClass = DefaultTable
+			if tag == 'loca' and tag in self.ttFont:
+				# Special-case the 'loca' table as we need the
+				#    original if the 'glyf' table isn't recompiled.
+				self.currentTable = self.ttFont[tag]
+			else:
+				self.currentTable = tableClass(tag)
+				self.ttFont[tag] = self.currentTable
+			self.contentStack.append([])
+		elif stackSize == 2:
+			self.contentStack.append([])
+			self.root = (name, attrs, self.contentStack[-1])
+		else:
+			l = []
+			self.contentStack[-1].append((name, attrs, l))
+			self.contentStack.append(l)
+	
+	def _characterDataHandler(self, data):
+		if self.stackSize > 1:
+			self.contentStack[-1].append(data)
+	
+	def _endElementHandler(self, name):
+		self.stackSize = self.stackSize - 1
+		del self.contentStack[-1]
+		if self.stackSize == 1:
+			self.root = None
+		elif self.stackSize == 2:
+			name, attrs, content = self.root
+			self.currentTable.fromXML(name, attrs, content, self.ttFont)
+			self.root = None
+
+
+class ProgressPrinter(object):
+	
+	def __init__(self, title, maxval=100):
+		print(title)
+	
+	def set(self, val, maxval=None):
+		pass
+	
+	def increment(self, val=1):
+		pass
+	
+	def setLabel(self, text):
+		print(text)
+