a79e6a7cf1
Change-Id: If0a848c64ce8077d1681661873629c83307cf8b2 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107736 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
235 lines
9 KiB
C++
235 lines
9 KiB
C++
/* -*- 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/util/XCloneable.hpp>
|
|
|
|
#include <cppuhelper/implbase.hxx>
|
|
#include <sax/saxdllapi.h>
|
|
|
|
#include <string_view>
|
|
#include <vector>
|
|
|
|
namespace com::sun::star::xml::sax { class XFastTokenHandler; }
|
|
namespace com::sun::star::xml { struct Attribute; }
|
|
namespace com::sun::star::xml { struct FastAttribute; }
|
|
|
|
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;
|
|
};
|
|
|
|
/// A native C++ interface to tokenisation
|
|
class SAX_DLLPUBLIC FastTokenHandlerBase :
|
|
public cppu::WeakImplHelper< css::xml::sax::XFastTokenHandler >
|
|
{
|
|
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 token lookup interface
|
|
* @pStr - string buffer to lookup
|
|
* @nLength - optional length of chars in that buffer
|
|
*
|
|
* @return Tokenized form of pStr
|
|
*/
|
|
static sal_Int32 getTokenFromChars(
|
|
const FastTokenHandlerBase *pTokenHandler,
|
|
const char *pStr, size_t nLength );
|
|
};
|
|
|
|
|
|
class SAX_DLLPUBLIC FastAttributeList final : public cppu::WeakImplHelper< css::xml::sax::XFastAttributeList, css::util::XCloneable >
|
|
{
|
|
public:
|
|
FastAttributeList( FastTokenHandlerBase *pTokenHandler );
|
|
FastAttributeList( const css::uno::Reference< css::xml::sax::XFastAttributeList > & xAttrList );
|
|
virtual ~FastAttributeList() override;
|
|
|
|
void clear();
|
|
void reserve( sal_Int32 nNumTokens )
|
|
{
|
|
maAttributeValues.reserve(nNumTokens+1);
|
|
maAttributeTokens.reserve(nNumTokens);
|
|
}
|
|
void add( const FastAttributeList& );
|
|
void add( const css::uno::Reference<css::xml::sax::XFastAttributeList>& );
|
|
void add( sal_Int32 nToken, const char* pValue );
|
|
void add( sal_Int32 nToken, const char* pValue, size_t nValueLength );
|
|
void add( sal_Int32 nToken, const OString& rValue );
|
|
void addNS( sal_Int32 nNamespaceToken, sal_Int32 nToken, const OString& rValue );
|
|
// note: rQName is *namespace-prefixed*
|
|
void addUnknown( const OUString& rNamespaceURL, const OString& rQName, 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; }
|
|
size_t size() const { return maAttributeValues.size(); }
|
|
|
|
// performance sensitive shortcuts to avoid allocation ...
|
|
bool getAsInteger( sal_Int32 nToken, sal_Int32 &rInt) const;
|
|
bool getAsDouble( sal_Int32 nToken, double &rDouble) const;
|
|
bool getAsChar( sal_Int32 nToken, const char*& rPos ) const;
|
|
sal_Int32 getAsIntegerByIndex( sal_Int32 nTokenIndex ) const;
|
|
const char* getAsCharByIndex( sal_Int32 nTokenIndex ) const;
|
|
OUString getValueByIndex( sal_Int32 nTokenIndex ) const;
|
|
|
|
// XFastAttributeList
|
|
virtual sal_Bool SAL_CALL hasAttribute( ::sal_Int32 Token ) override;
|
|
virtual ::sal_Int32 SAL_CALL getValueToken( ::sal_Int32 Token ) override;
|
|
virtual ::sal_Int32 SAL_CALL getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default ) override;
|
|
virtual OUString SAL_CALL getValue( ::sal_Int32 Token ) override;
|
|
virtual OUString SAL_CALL getOptionalValue( ::sal_Int32 Token ) override;
|
|
virtual css::uno::Sequence< css::xml::Attribute > SAL_CALL getUnknownAttributes( ) override;
|
|
virtual css::uno::Sequence< css::xml::FastAttribute > SAL_CALL getFastAttributes() override;
|
|
|
|
// XCloneable
|
|
virtual ::css::uno::Reference< ::css::util::XCloneable > SAL_CALL createClone() override;
|
|
|
|
sal_Int32 getAttributeIndex( ::sal_Int32 Token )
|
|
{
|
|
for (size_t i=0; i<maAttributeTokens.size(); ++i)
|
|
if (maAttributeTokens[i] == Token)
|
|
return i;
|
|
return -1;
|
|
}
|
|
|
|
/// Use for fast iteration and conversion of attributes
|
|
class FastAttributeIter {
|
|
const FastAttributeList &mrList;
|
|
size_t mnIdx;
|
|
|
|
public:
|
|
FastAttributeIter(const FastAttributeList &rList, size_t nIdx)
|
|
: mrList(rList), mnIdx(nIdx)
|
|
{
|
|
}
|
|
|
|
FastAttributeIter& operator++ ()
|
|
{
|
|
mnIdx++;
|
|
return *this;
|
|
}
|
|
bool operator!=( const FastAttributeIter& rhs ) const
|
|
{
|
|
return mnIdx != rhs.mnIdx;
|
|
}
|
|
|
|
const FastAttributeIter& operator*() const
|
|
{
|
|
return *this;
|
|
}
|
|
|
|
sal_Int32 getToken() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return mrList.maAttributeTokens[mnIdx];
|
|
}
|
|
bool isEmpty() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return mrList.AttributeValueLength(mnIdx) < 1;
|
|
}
|
|
sal_Int32 toInt32() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return rtl_str_toInt32(mrList.getFastAttributeValue(mnIdx), 10);
|
|
}
|
|
double toDouble() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return rtl_str_toDouble(mrList.getFastAttributeValue(mnIdx));
|
|
}
|
|
bool toBoolean() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return rtl_str_toBoolean(mrList.getFastAttributeValue(mnIdx));
|
|
}
|
|
OUString toString() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return OUString(mrList.getFastAttributeValue(mnIdx),
|
|
mrList.AttributeValueLength(mnIdx),
|
|
RTL_TEXTENCODING_UTF8);
|
|
}
|
|
const char* toCString() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return mrList.getFastAttributeValue(mnIdx);
|
|
}
|
|
sal_Int32 getLength() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return mrList.AttributeValueLength(mnIdx);
|
|
}
|
|
std::string_view toView() const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return std::string_view(mrList.getFastAttributeValue(mnIdx), mrList.AttributeValueLength(mnIdx));
|
|
}
|
|
bool isString(const char *str) const
|
|
{
|
|
assert(mnIdx < mrList.maAttributeTokens.size());
|
|
return !strcmp(str, mrList.getFastAttributeValue(mnIdx));
|
|
}
|
|
};
|
|
FastAttributeIter begin() const { return FastAttributeIter(*this, 0); }
|
|
FastAttributeIter end() const { return FastAttributeIter(*this, maAttributeTokens.size()); }
|
|
FastAttributeIter find( sal_Int32 nToken ) const;
|
|
|
|
private:
|
|
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;
|
|
std::vector< UnknownAttribute > maUnknownAttributes;
|
|
FastTokenHandlerBase * mpTokenHandler;
|
|
};
|
|
|
|
inline FastAttributeList& castToFastAttributeList(
|
|
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
|
|
{
|
|
assert( dynamic_cast <FastAttributeList *> ( xAttrList.get() ) != nullptr );
|
|
return *static_cast <FastAttributeList *> ( xAttrList.get() );
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|