166 lines
5.9 KiB
C++
166 lines
5.9 KiB
C++
/*
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* Copyright (c) 2001-2008
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2008
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* Oracle. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Id: XPath2Utils.hpp,v 1.17 2008/01/29 02:25:34 jpcs Exp $
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*/
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#ifndef _XPATH2UTILS_HPP
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#define _XPATH2UTILS_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <vector>
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class XPath2MemoryManager;
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#include <xercesc/util/XMLString.hpp>
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#include <xercesc/framework/XMLBuffer.hpp>
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#include <xercesc/dom/DOMNode.hpp>
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#include <xercesc/dom/DOMDocument.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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class InputSource;
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class BinInputStream;
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XERCES_CPP_NAMESPACE_END
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/**class with methods that are used by v2 that are DOM related*/
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class XQILLA_API XPath2Utils
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{
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public:
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/**
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* Escape a URI. Boolean says escape reserved chars.
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*
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* NOTE: The returned buffer is dynamically allocated and is the
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* responsibility of the caller to delete it when not longer needed.
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*/
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static const XMLCh* escapeURI(const XMLCh* const str, bool escapeRes, XPath2MemoryManager* memMgr);
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static bool isValidURI(const XMLCh* const str, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr);
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static const XMLCh* concatStrings(const XMLCh* src1, const XMLCh srcChar, XPath2MemoryManager* memMgr);
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static const XMLCh* concatStrings(const XMLCh* src1, const XMLCh* src2, XPath2MemoryManager* memMgr);
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static const XMLCh* concatStrings(const XMLCh* src1 ,const XMLCh* src2, const XMLCh* src3, XPath2MemoryManager* memMgr);
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static const XMLCh* asStr(const XMLCh src, XPath2MemoryManager* memMgr);
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static void numToBuf(unsigned int n, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &buf);
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static void numToBuf(int n, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &buf);
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static bool equals(const XMLCh *const str1, const XMLCh *const str2);
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static int compare(const XMLCh *str1, const XMLCh *str2);
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/**
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* Return the specified substring.
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*/
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static const XMLCh* subString( const XMLCh* srcStr, unsigned int offset, unsigned int count, XPath2MemoryManager* memMgr);
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static const XMLCh* deleteData( const XMLCh* const target, unsigned int offset, unsigned int count, XPath2MemoryManager* memMgr );
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static const XMLCh* toLower(const XMLCh* const target, XPath2MemoryManager* memMgr);
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static const XMLCh* toUpper(const XMLCh* const target, XPath2MemoryManager* memMgr);
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static const XMLCh* toCollapsedWS(const XMLCh* const target, XPath2MemoryManager* memMgr);
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static const XMLCh* normalizeEOL(const XMLCh* const src, XPath2MemoryManager* memMgr);
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/***
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* Extract the individual values from a list of whitespace separated
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* values (values) and puts them into valList.
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*/
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static std::vector<const XMLCh*> getVal(const XMLCh* values, XPath2MemoryManager* memMgr);
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/* Determine whether or not an XMLCh* is contained within a vector of XMLCh's */
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static bool containsString(std::vector<const XMLCh*> values, const XMLCh* val);
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/** Gets the owner document for the given node */
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static const XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *getOwnerDoc(const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node);
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static bool readSource(const XERCES_CPP_NAMESPACE_QUALIFIER InputSource &src, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *mm,
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XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &result, bool sniffEncoding = false);
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static void readSource(XERCES_CPP_NAMESPACE_QUALIFIER BinInputStream *stream, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *mm,
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XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &result, const XMLCh *encoding = 0, bool sniffEncoding = false);
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};
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inline bool XPath2Utils::equals(const XMLCh *const str1, const XMLCh *const str2) {
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if(str1 == str2) return true;
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if(str1 == 0) return *str2 == 0; // str2 == 0 is handled by the first line
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if(str2 == 0) return *str1 == 0; // str1 == 0 is handled by the first line
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register const XMLCh* psz1 = str1;
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register const XMLCh* psz2 = str2;
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while(*psz1 == *psz2) {
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// If either has ended, then they both ended, so equal
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if(*psz1 == 0)
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return true;
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// Move upwards for the next round
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++psz1;
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++psz2;
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}
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return false;
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}
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inline int XPath2Utils::compare(const XMLCh *str1, const XMLCh *str2) {
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if(str1 == str2) return 0;
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if(str1 == 0) return -*str2; // str2 == 0 is handled by the first line
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if(str2 == 0) return *str1; // str1 == 0 is handled by the first line
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register int cmp;
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while((cmp = *str1 - *str2) == 0) {
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// If either has ended, then they both ended, so equal
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if(*str1 == 0) break;
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// Move upwards for the next round
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++str1;
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++str2;
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}
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return cmp;
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}
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inline const XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *XPath2Utils::getOwnerDoc(const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node) {
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if(node->getNodeType() == XERCES_CPP_NAMESPACE_QUALIFIER DOMNode::DOCUMENT_NODE) {
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return (XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument*)node;
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}
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else {
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return node->getOwnerDocument();
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}
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}
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inline void XPath2Utils::numToBuf(unsigned int n, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &buf)
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{
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if(n >= 10) numToBuf(n / 10, buf);
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buf.append('0' + (n % 10));
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}
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inline void XPath2Utils::numToBuf(int n, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &buf)
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{
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if(n < 0) {
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buf.append('-');
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numToBuf((unsigned int)-n, buf);
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} else {
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numToBuf((unsigned int)n, buf);
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}
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}
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#endif
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