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Diffstat (limited to 'addon/doxmlparser/src/basehandler.h')
| -rw-r--r-- | addon/doxmlparser/src/basehandler.h | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/addon/doxmlparser/src/basehandler.h b/addon/doxmlparser/src/basehandler.h deleted file mode 100644 index 1772d8a..0000000 --- a/addon/doxmlparser/src/basehandler.h +++ /dev/null @@ -1,325 +0,0 @@ -/****************************************************************************** - * - * $Id$ - * - * - * Copyright (C) 1997-2015 by Dimitri van Heesch. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation under the terms of the GNU General Public License is hereby - * granted. No representations are made about the suitability of this software - * for any purpose. It is provided "as is" without express or implied warranty. - * See the GNU General Public License for more details. - * - */ - -#ifndef _BASEHANDLER_H -#define _BASEHANDLER_H - -#include <qxml.h> -#include <qdict.h> -#include <qstring.h> - -#include "debug.h" - -//----------------------------------------------------------------------------- - -class IBaseHandler -{ - public: - virtual void setDelegate(QXmlDefaultHandler *delegate) = 0; - virtual QXmlDefaultHandler *delegate() const = 0; - virtual ~IBaseHandler() {} -}; - -//----------------------------------------------------------------------------- - -class IFallBackHandler -{ - public: - virtual bool handleStartElement(const QString & name, - const QXmlAttributes & attrib) = 0; - virtual bool handleEndElement(const QString &name) = 0; - virtual ~IFallBackHandler() {} -}; - -//----------------------------------------------------------------------------- - -template<class T> class ElementMapper -{ - class StartElementHandler - { - typedef void (T::*Handler)(const QXmlAttributes &attrib); - public: - StartElementHandler() : m_parent(0) {} - StartElementHandler(T *parent, Handler h) - : m_parent(parent), m_handler(h) {} - void operator()(const QXmlAttributes &attrib) - { if (m_parent) (m_parent->*m_handler)(attrib); } - private: - T *m_parent = 0; - Handler m_handler; - }; - - class EndElementHandler - { - typedef void (T::*Handler)(); - public: - EndElementHandler() : m_parent(0) {} - EndElementHandler(T *parent, Handler h) - : m_parent(parent), m_handler(h) {} - void operator()() - { if (m_parent) (m_parent->*m_handler)(); } - private: - T *m_parent = 0; - Handler m_handler; - }; - - public: - typedef StartElementHandler StartElementHandlerT; - typedef EndElementHandler EndElementHandlerT; - - ElementMapper() : m_startHandlers(67), m_endHandlers(67) - { - m_startHandlers.setAutoDelete(TRUE); - m_endHandlers.setAutoDelete(TRUE); - } - virtual ~ElementMapper() - { - } - - void addStartHandler(const char *key) - { - m_startHandlers.insert(key,new StartElementHandlerT); - } - - void addStartHandler(const char *key, T *obj, void (T::*handler)(const QXmlAttributes &)) - { - m_startHandlers.insert(key,new StartElementHandlerT(obj,handler)); - } - - void addEndHandler(const char *key) - { - m_endHandlers.insert(key,new EndElementHandlerT); - } - - void addEndHandler(const char *key, T *obj, void (T::*handler)()) - { - m_endHandlers.insert(key,new EndElementHandlerT(obj,handler)); - } - - - protected: - QDict<StartElementHandlerT> m_startHandlers; - QDict<EndElementHandlerT> m_endHandlers; -}; - -//----------------------------------------------------------------------------- - -struct LocatorContainer -{ - static QXmlLocator *s_theLocator; -}; - -//----------------------------------------------------------------------------- - -template<class T> class BaseHandler : public QXmlDefaultHandler, - public ElementMapper<T>, - public LocatorContainer, - public IBaseHandler -{ - public: - typedef typename ElementMapper<T>::StartElementHandlerT StartElementHandlerT; - typedef typename ElementMapper<T>::EndElementHandlerT EndElementHandlerT; - - BaseHandler() : m_skipCount(0), m_delegateHandler(0), m_fallBackHandler(0) - { - } - - virtual ~BaseHandler() - { - ASSERT(m_delegateHandler==0); - } - - virtual bool startDocument() - { - return TRUE; - } - - virtual bool startElement( const QString & namespaceURI, - const QString & localName, - const QString & name, - const QXmlAttributes & attrib - ) - { - if (m_delegateHandler) - { - return m_delegateHandler->startElement(namespaceURI,localName,name,attrib); - } - if (!m_skipUntil.isEmpty()) // skip mode - { - if (m_skipUntil==name) m_skipCount++; - debug(1,"line %d, col %d: skipping start tag %s count=%d\n", - s_theLocator->lineNumber(),s_theLocator->columnNumber(), - name.data(),m_skipCount); - return TRUE; - } - - StartElementHandlerT *handler = ElementMapper<T>::m_startHandlers[name.utf8()]; - if (handler) - { - (*handler)(attrib); - //printf("found start tag %s\n",name.data()); - } - else if (!m_fallBackHandler || - !m_fallBackHandler->handleStartElement(name,attrib) - ) - { - debug(1,"line %d, col %d: found unexpected tag '%s', skipping until matching end tag\n", - s_theLocator->lineNumber(),s_theLocator->columnNumber(), - name.data()); - m_skipUntil = name; - m_skipCount=1; - } - return TRUE; - } - - virtual bool endElement( const QString& namespaceURI, const QString& localName, const QString& name ) - { - if (m_delegateHandler) - { - return m_delegateHandler->endElement(namespaceURI,localName,name); - } - - if (name==m_skipUntil) - { - m_skipCount--; - debug(1,"line %d, col %d: skipping end tag %s count=%d\n", - s_theLocator->lineNumber(),s_theLocator->columnNumber(), - name.data(),m_skipCount); - if (m_skipCount==0) - { - m_skipUntil=""; - } - //printf("found end tag %s\n",name.data()); - } - else if (m_skipUntil.isEmpty()) - { - EndElementHandlerT *handler = ElementMapper<T>::m_endHandlers[name.utf8()]; - if (handler) - { - (*handler)(); - //printf("found end tag %s\n",name.data()); - } - else if (m_fallBackHandler) - { - m_fallBackHandler->handleEndElement(name); - } - } - m_curString=""; - return TRUE; - } - - bool skippedEntity ( const QString &s ) - { - if (m_delegateHandler) - { - return m_delegateHandler->skippedEntity(s); - } - - debug(1,"line %d, col %d: Skipped unhandled entity %s\n", - s_theLocator->lineNumber(),s_theLocator->columnNumber(), - s.data()); - return TRUE; - } - - /*! called when a number of characters are received by the parser. - * \param ch the characters. - */ - virtual bool characters ( const QString & ch ) - { - if (m_delegateHandler) - { - return m_delegateHandler->characters(ch); - } - - //printf("Found characters \"%s\"\n",ch.data()); - m_curString+=ch; - return TRUE; - } - - void setDelegate(QXmlDefaultHandler *delegate) - { - m_delegateHandler = delegate; - } - - QXmlDefaultHandler *delegate() const - { - return m_delegateHandler; - } - - void setFallBackHandler(IFallBackHandler *h) - { - m_fallBackHandler = h; - } - - IFallBackHandler *fallBackHandler() const - { - return m_fallBackHandler; - } - - void setDocumentLocator( QXmlLocator * locator ) - { - debug(2,"setDocumentLocator(%p)\n",locator); - s_theLocator = locator; - } - - protected: - QString m_curString; - QString m_skipUntil; - int m_skipCount = 0; - QXmlDefaultHandler *m_delegateHandler = 0; - IFallBackHandler *m_fallBackHandler = 0; -}; - -//----------------------------------------------------------------------------- - -template<class T> class BaseFallBackHandler : public ElementMapper<T>, - public IFallBackHandler -{ - public: - typedef typename ElementMapper<T>::StartElementHandlerT StartElementHandlerT; - typedef typename ElementMapper<T>::EndElementHandlerT EndElementHandlerT; - - BaseFallBackHandler() - { - } - virtual ~BaseFallBackHandler() - { - } - - bool handleStartElement(const QString & name, - const QXmlAttributes & attrib) - { - StartElementHandlerT *handler = ElementMapper<T>::m_startHandlers[name.utf8()]; - if (handler) - { - (*handler)(attrib); - return TRUE; - } - return FALSE; - } - bool handleEndElement(const QString &name) - { - EndElementHandlerT *handler = ElementMapper<T>::m_endHandlers[name.utf8()]; - if (handler) - { - (*handler)(); - return TRUE; - } - return FALSE; - } -}; - - -#endif |