Move libxml_utils from chrome/common to third_party/libxml/chromium.

chrome/common/libxml_utils.cc

Index: chrome/common/libxml_utils.cc
diff --git a/chrome/common/libxml_utils.cc b/chrome/common/libxml_utils.cc
deleted file mode 100644
index 61d4237a0089f4b6a631111a41013dbe46978444..0000000000000000000000000000000000000000
--- a/chrome/common/libxml_utils.cc
+++ /dev/null
@@ -1,153 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/common/libxml_utils.h"
-
-#include "base/compiler_specific.h"
-#include "base/file_path.h"
-#include "base/logging.h"
-#include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
-
-#include "libxml/xmlreader.h"
-
-std::string XmlStringToStdString(const xmlChar* xmlstring) {
-  // xmlChar*s are UTF-8, so this cast is safe.
-  if (xmlstring)
-    return std::string(reinterpret_cast<const char*>(xmlstring));
-  else
-    return "";
-}
-
-XmlReader::XmlReader()
-    : reader_(NULL),
-      ALLOW_THIS_IN_INITIALIZER_LIST(
-          error_func_(this, &XmlReader::GenericErrorCallback)) {
-}
-
-XmlReader::~XmlReader() {
-  if (reader_)
-    xmlFreeTextReader(reader_);
-}
-
-// static
-void XmlReader::GenericErrorCallback(void* context, const char* msg, ...) {
-  va_list args;
-  va_start(args, msg);
-
-  XmlReader* reader = static_cast<XmlReader*>(context);
-  reader->errors_.append(base::StringPrintV(msg, args));
-  va_end(args);
-}
-
-bool XmlReader::Load(const std::string& input) {
-  const int kParseOptions = XML_PARSE_RECOVER |  // recover on errors
-                            XML_PARSE_NONET;     // forbid network access
-  // TODO(evanm): Verify it's OK to pass NULL for the URL and encoding.
-  // The libxml code allows for these, but it's unclear what effect is has.
-  reader_ = xmlReaderForMemory(input.data(), static_cast<int>(input.size()),
-                               NULL, NULL, kParseOptions);
-  return reader_ != NULL;
-}
-
-bool XmlReader::LoadFile(const FilePath& file_path) {
-  const int kParseOptions = XML_PARSE_RECOVER |  // recover on errors
-                            XML_PARSE_NONET;     // forbid network access
-  reader_ = xmlReaderForFile(
-#if defined(OS_WIN)
-      // libxml takes UTF-8 paths on Windows; search the source for
-      // xmlWrapOpenUtf8 to see it converting UTF-8 back to wide
-      // characters.
-      WideToUTF8(file_path.value()).c_str(),
-#else
-      file_path.value().c_str(),
-#endif
-      NULL, kParseOptions);
-  return reader_ != NULL;
-}
-
-bool XmlReader::NodeAttribute(const char* name, std::string* out) {
-  xmlChar* value = xmlTextReaderGetAttribute(reader_, BAD_CAST name);
-  if (!value)
-    return false;
-  *out = XmlStringToStdString(value);
-  xmlFree(value);
-  return true;
-}
-
-bool XmlReader::ReadElementContent(std::string* content) {
-  DCHECK(NodeType() == XML_READER_TYPE_ELEMENT);
-  const int start_depth = Depth();
-
-  if (xmlTextReaderIsEmptyElement(reader_)) {
-    // Empty tag.  We succesfully read the content, but it's
-    // empty.
-    *content = "";
-    // Advance past this empty tag.
-    if (!Read())
-      return false;
-    return true;
-  }
-
-  // Advance past opening element tag.
-  if (!Read())
-    return false;
-
-  // Read the content.  We read up until we hit a closing tag at the
-  // same level as our starting point.
-  while (NodeType() != XML_READER_TYPE_END_ELEMENT || Depth() != start_depth) {
-    *content += XmlStringToStdString(xmlTextReaderConstValue(reader_));
-    if (!Read())
-      return false;
-  }
-
-  // Advance past ending element tag.
-  DCHECK_EQ(NodeType(), XML_READER_TYPE_END_ELEMENT);
-  if (!Read())
-    return false;
-
-  return true;
-}
-
-bool XmlReader::SkipToElement() {
-  do {
-    switch (NodeType()) {
-    case XML_READER_TYPE_ELEMENT:
-      return true;
-    case XML_READER_TYPE_END_ELEMENT:
-      return false;
-    default:
-      // Skip all other node types.
-      continue;
-    }
-  } while (Read());
-  return false;
-}
-
-
-// XmlWriter functions
-
-XmlWriter::XmlWriter()
-    : writer_(NULL),
-      buffer_(NULL) {}
-
-XmlWriter::~XmlWriter() {
-  if (writer_)
-    xmlFreeTextWriter(writer_);
-  if (buffer_)
-    xmlBufferFree(buffer_);
-}
-
-void XmlWriter::StartWriting() {
-  buffer_ = xmlBufferCreate();
-  writer_ = xmlNewTextWriterMemory(buffer_, 0);
-  xmlTextWriterSetIndent(writer_, 1);
-  xmlTextWriterStartDocument(writer_, NULL, NULL, NULL);
-}
-
-void XmlWriter::StopWriting() {
-  xmlTextWriterEndDocument(writer_);
-  xmlFreeTextWriter(writer_);
-  writer_ = NULL;
-}