xslt_processor_libxslt.cc | Explore in Territory

/*
 * This file is part of the XSL implementation.
 *
 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved.
 * Copyright (C) 2005, 2006 Alexey Proskuryakov <[email protected]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/core/xml/xslt_processor.h"

#include <libxslt/imports.h>
#include <libxslt/security.h>
#include <libxslt/variables.h>
#include <libxslt/xsltutils.h>
#include "base/numerics/checked_math.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/transform_source.h"
#include "third_party/blink/renderer/core/editing/serializers/serialization.h"
#include "third_party/blink/renderer/core/frame/frame_console.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/core/xml/parser/xml_document_parser.h"
#include "third_party/blink/renderer/core/xml/parser/xml_document_parser_scope.h"
#include "third_party/blink/renderer/core/xml/xsl_style_sheet.h"
#include "third_party/blink/renderer/core/xml/xslt_extensions.h"
#include "third_party/blink/renderer/core/xml/xslt_unicode_sort.h"
#include "third_party/blink/renderer/platform/bindings/source_location.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/loader/fetch/fetch_initiator_type_names.h"
#include "third_party/blink/renderer/platform/loader/fetch/raw_resource.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_error.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_request.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_response.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
#include "third_party/blink/renderer/platform/wtf/allocator/partitions.h"
#include "third_party/blink/renderer/platform/wtf/shared_buffer.h"
#include "third_party/blink/renderer/platform/wtf/text/string_buffer.h"
#include "third_party/blink/renderer/platform/wtf/text/utf8.h"

namespace {

constexpr int kDoubleXsltMaxVars = …;

}

namespace blink {

void XSLTProcessor::GenericErrorFunc(void*, const char*, ...) { … }

void XSLTProcessor::ParseErrorFunc(void* user_data, const xmlError* error) { … }

// FIXME: There seems to be no way to control the ctxt pointer for loading here,
// thus we have globals.
static XSLTProcessor* g_global_processor = …;
static ResourceFetcher* g_global_resource_fetcher = …;

static xmlDocPtr DocLoaderFunc(const xmlChar* uri,
                               xmlDictPtr,
                               int options,
                               void* ctxt,
                               xsltLoadType type) { … }

static inline void SetXSLTLoadCallBack(xsltDocLoaderFunc func,
                                       XSLTProcessor* processor,
                                       ResourceFetcher* fetcher) { … }

static int WriteToStringBuilder(void* context, const char* buffer, int len) { … }

static bool SaveResultToString(xmlDocPtr result_doc,
                               xsltStylesheetPtr sheet,
                               String& result_string) { … }

static char* AllocateParameterArray(const char* data) { … }

static const char** XsltParamArrayFromParameterMap(
    XSLTProcessor::ParameterMap& parameters) { … }

static void FreeXsltParamArray(const char** params) { … }

static xsltStylesheetPtr XsltStylesheetPointer(
    Document* document,
    Member<XSLStyleSheet>& cached_stylesheet,
    Node* stylesheet_root_node) { … }

static inline xmlDocPtr XmlDocPtrFromNode(Node* source_node,
                                          bool& should_delete) { … }

static inline String ResultMIMEType(xmlDocPtr result_doc,
                                    xsltStylesheetPtr sheet) { … }

bool XSLTProcessor::TransformToString(Node* source_node,
                                      String& mime_type,
                                      String& result_string,
                                      String& result_encoding) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/xml/xslt_processor_libxslt.cc
