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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SAX_FASTATTRIBS_HXX
#define INCLUDED_SAX_FASTATTRIBS_HXX
#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
#include <com/sun/star/xml/Attribute.hpp>
#include <com/sun/star/xml/FastAttribute.hpp>
#include <cppuhelper/implbase1.hxx>
#include <sax/saxdllapi.h>
#include <map>
#include <vector>
namespace sax_fastparser
{
struct UnknownAttribute
{
OUString maNamespaceURL;
OString maName;
OString maValue;
UnknownAttribute( const OUString& rNamespaceURL, const OString& rName, const OString& value );
UnknownAttribute( const OString& rName, const OString& value );
void FillAttribute( css::xml::Attribute* pAttrib ) const;
};
typedef std::vector< UnknownAttribute > UnknownAttributeList;
/// A native C++ interface to tokenisation
class SAX_DLLPUBLIC FastTokenHandlerBase
{
public:
virtual ~FastTokenHandlerBase();
virtual sal_Int32 getTokenDirect( const char *pToken, sal_Int32 nLength ) const = 0;
/**
* Client method to attempt the use of this interface if possible.
* @xTokenHandler - the UNO handle for the token lookup interface
* @pTokenHandler - a dynamic_cast version of @xTokenHandler to this interface
* @pStr - string buffer to lookup
* @nLength - optional length of chars in that buffer
*
* @return Tokenized form of pStr
*/
static sal_Int32 getTokenFromChars(
const css::uno::Reference<
css::xml::sax::XFastTokenHandler > &xTokenHandler,
FastTokenHandlerBase *pTokenHandler /* can be NULL */,
const char *pStr, size_t nLength = 0 );
};
class SAX_DLLPUBLIC FastAttributeList : public ::cppu::WeakImplHelper1< css::xml::sax::XFastAttributeList >
{
public:
FastAttributeList( const css::uno::Reference< css::xml::sax::XFastTokenHandler >& xTokenHandler,
FastTokenHandlerBase *pOptHandlerBase = nullptr );
virtual ~FastAttributeList() override;
void clear();
void add( sal_Int32 nToken, const sal_Char* pValue );
void add( sal_Int32 nToken, const sal_Char* pValue, size_t nValueLength );
void add( sal_Int32 nToken, const OString& rValue );
void addNS( sal_Int32 nNamespaceToken, sal_Int32 nToken, const OString& rValue );
void addUnknown( const OUString& rNamespaceURL, const OString& rName, const OString& value );
void addUnknown( const OString& rName, const OString& value );
const std::vector< sal_Int32 >& getFastAttributeTokens() const { return maAttributeTokens; }
const char* getFastAttributeValue(size_t nIndex) const { return mpChunk + maAttributeValues[nIndex]; }
sal_Int32 AttributeValueLength(size_t i) const { return maAttributeValues[i + 1] - maAttributeValues[i] - 1; }
// performance sensitive shortcuts to avoid allocation ...
bool getAsInteger( sal_Int32 nToken, sal_Int32 &rInt);
bool getAsDouble( sal_Int32 nToken, double &rDouble);
bool getAsChar( sal_Int32 nToken, const char*& rPos ) const;
// XFastAttributeList
virtual sal_Bool SAL_CALL hasAttribute( ::sal_Int32 Token ) throw (css::uno::RuntimeException, std::exception) override;
virtual ::sal_Int32 SAL_CALL getValueToken( ::sal_Int32 Token ) throw (css::xml::sax::SAXException, css::uno::RuntimeException, std::exception) override;
virtual ::sal_Int32 SAL_CALL getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default ) throw (css::uno::RuntimeException, std::exception) override;
virtual OUString SAL_CALL getValue( ::sal_Int32 Token ) throw (css::xml::sax::SAXException, css::uno::RuntimeException, std::exception) override;
virtual OUString SAL_CALL getOptionalValue( ::sal_Int32 Token ) throw (css::uno::RuntimeException, std::exception) override;
virtual css::uno::Sequence< css::xml::Attribute > SAL_CALL getUnknownAttributes( ) throw (css::uno::RuntimeException, std::exception) override;
virtual css::uno::Sequence< css::xml::FastAttribute > SAL_CALL getFastAttributes() throw (css::uno::RuntimeException, std::exception) override;
private:
sal_Char *mpChunk; ///< buffer to store all attribute values - null terminated strings
sal_Int32 mnChunkLength; ///< size of allocated memory for mpChunk
// maAttributeValues stores pointers, relative to mpChunk, for each attribute value string
// length of the string is maAttributeValues[n+1] - maAttributeValues[n] - 1
// maAttributeValues[0] == 0
std::vector< sal_Int32 > maAttributeValues;
std::vector< sal_Int32 > maAttributeTokens;
UnknownAttributeList maUnknownAttributes;
css::uno::Reference< css::xml::sax::XFastTokenHandler > mxTokenHandler;
FastTokenHandlerBase *mpTokenHandler;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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