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-rw-r--r--deps/gyp/pylib/gyp/xml_fix.py69
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diff --git a/deps/gyp/pylib/gyp/xml_fix.py b/deps/gyp/pylib/gyp/xml_fix.py
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+# Copyright (c) 2011 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Applies a fix to CR LF TAB handling in xml.dom.
+
+Fixes this: http://code.google.com/p/chromium/issues/detail?id=76293
+Working around this: http://bugs.python.org/issue5752
+TODO(bradnelson): Consider dropping this when we drop XP support.
+"""
+
+
+import xml.dom.minidom
+
+
+def _Replacement_write_data(writer, data, is_attrib=False):
+ """Writes datachars to writer."""
+ data = data.replace("&", "&amp;").replace("<", "&lt;")
+ data = data.replace("\"", "&quot;").replace(">", "&gt;")
+ if is_attrib:
+ data = data.replace(
+ "\r", "&#xD;").replace(
+ "\n", "&#xA;").replace(
+ "\t", "&#x9;")
+ writer.write(data)
+
+
+def _Replacement_writexml(self, writer, indent="", addindent="", newl=""):
+ # indent = current indentation
+ # addindent = indentation to add to higher levels
+ # newl = newline string
+ writer.write(indent+"<" + self.tagName)
+
+ attrs = self._get_attributes()
+ a_names = attrs.keys()
+ a_names.sort()
+
+ for a_name in a_names:
+ writer.write(" %s=\"" % a_name)
+ _Replacement_write_data(writer, attrs[a_name].value, is_attrib=True)
+ writer.write("\"")
+ if self.childNodes:
+ writer.write(">%s" % newl)
+ for node in self.childNodes:
+ node.writexml(writer, indent + addindent, addindent, newl)
+ writer.write("%s</%s>%s" % (indent, self.tagName, newl))
+ else:
+ writer.write("/>%s" % newl)
+
+
+class XmlFix(object):
+ """Object to manage temporary patching of xml.dom.minidom."""
+
+ def __init__(self):
+ # Preserve current xml.dom.minidom functions.
+ self.write_data = xml.dom.minidom._write_data
+ self.writexml = xml.dom.minidom.Element.writexml
+ # Inject replacement versions of a function and a method.
+ xml.dom.minidom._write_data = _Replacement_write_data
+ xml.dom.minidom.Element.writexml = _Replacement_writexml
+
+ def Cleanup(self):
+ if self.write_data:
+ xml.dom.minidom._write_data = self.write_data
+ xml.dom.minidom.Element.writexml = self.writexml
+ self.write_data = None
+
+ def __del__(self):
+ self.Cleanup()