up follow livre

venv/lib/python3.13/site-packages/fontTools/misc/xmlReader.py

@@ -0,0 +1,188 @@
+from fontTools import ttLib
+from fontTools.misc.textTools import safeEval
+from fontTools.ttLib.tables.DefaultTable import DefaultTable
+import sys
+import os
+import logging
+
+
+log = logging.getLogger(__name__)
+
+
+class TTXParseError(Exception):
+    pass
+
+
+BUFSIZE = 0x4000
+
+
+class XMLReader(object):
+    def __init__(
+        self, fileOrPath, ttFont, progress=None, quiet=None, contentOnly=False
+    ):
+        if fileOrPath == "-":
+            fileOrPath = sys.stdin
+        if not hasattr(fileOrPath, "read"):
+            self.file = open(fileOrPath, "rb")
+            self._closeStream = True
+        else:
+            # assume readable file object
+            self.file = fileOrPath
+            self._closeStream = False
+        self.ttFont = ttFont
+        self.progress = progress
+        if quiet is not None:
+            from fontTools.misc.loggingTools import deprecateArgument
+
+            deprecateArgument("quiet", "configure logging instead")
+            self.quiet = quiet
+        self.root = None
+        self.contentStack = []
+        self.contentOnly = contentOnly
+        self.stackSize = 0
+
+    def read(self, rootless=False):
+        if rootless:
+            self.stackSize += 1
+        if self.progress:
+            self.file.seek(0, 2)
+            fileSize = self.file.tell()
+            self.progress.set(0, fileSize // 100 or 1)
+            self.file.seek(0)
+        self._parseFile(self.file)
+        if self._closeStream:
+            self.close()
+        if rootless:
+            self.stackSize -= 1
+
+    def close(self):
+        self.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):
+        if self.stackSize == 1 and self.contentOnly:
+            # We already know the table we're parsing, skip
+            # parsing the table tag and continue to
+            # stack '2' which begins parsing content
+            self.contentStack.append([])
+            self.stackSize = 2
+            return
+        stackSize = self.stackSize
+        self.stackSize = stackSize + 1
+        subFile = attrs.get("src")
+        if subFile is not None:
+            if hasattr(self.file, "name"):
+                # if file has a name, get its parent directory
+                dirname = os.path.dirname(self.file.name)
+            else:
+                # else fall back to using the current working directory
+                dirname = os.getcwd()
+            subFile = os.path.join(dirname, subFile)
+        if not stackSize:
+            if name != "ttFont":
+                raise TTXParseError("illegal root tag: %s" % name)
+            if self.ttFont.reader is None and not self.ttFont.tables:
+                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:
+            if subFile is not None:
+                subReader = XMLReader(subFile, self.ttFont, self.progress)
+                subReader.read()
+                self.contentStack.append([])
+                return
+            tag = ttLib.xmlToTag(name)
+            msg = "Parsing '%s' table..." % tag
+            if self.progress:
+                self.progress.setLabel(msg)
+            log.info(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 and subFile is not None:
+            subReader = XMLReader(subFile, self.ttFont, self.progress, contentOnly=True)
+            subReader.read()
+            self.contentStack.append([])
+            self.root = subReader.root
+        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:
+            # parser parses in chunks, so we may get multiple calls
+            # for the same text node; thus we need to append the data
+            # to the last item in the content stack:
+            # https://github.com/fonttools/fonttools/issues/2614
+            if (
+                data != "\n"
+                and self.contentStack[-1]
+                and isinstance(self.contentStack[-1][-1], str)
+                and self.contentStack[-1][-1] != "\n"
+            ):
+                self.contentStack[-1][-1] += data
+            else:
+                self.contentStack[-1].append(data)
+
+    def _endElementHandler(self, name):
+        self.stackSize = self.stackSize - 1
+        del self.contentStack[-1]
+        if not self.contentOnly:
+            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)