KWQXmlSimpleReader.h [plain text]
#ifndef KWQXMLSIMPLEREADER_H
#define KWQXMLSIMPLEREADER_H
#include "KWQString.h"
#include "KWQPtrStack.h"
struct KWQXmlNamespace {
QString m_prefix;
QString m_uri;
KWQXmlNamespace* m_parent;
int m_ref;
KWQXmlNamespace() :m_parent(0), m_ref(0) {}
KWQXmlNamespace(const QString& p, const QString& u, KWQXmlNamespace* parent)
:m_prefix(p),
m_uri(u),
m_parent(parent),
m_ref(0)
{
if (m_parent) m_parent->ref();
}
QString uriForPrefix(const QString& prefix) {
if (prefix == m_prefix)
return m_uri;
if (m_parent)
return m_parent->uriForPrefix(prefix);
return "";
}
void ref() { m_ref++; }
void deref() { if (--m_ref == 0) { if (m_parent) m_parent->deref(); delete this; } }
};
class QXmlAttributes;
class QXmlInputSource {
public:
void setData(const QString &data) { _data = data; }
QString data() const { return _data; }
private:
QString _data;
};
class QXmlParseException {
public:
QXmlParseException(const QString &m, int c, int l) : m_message(m), m_column(c), m_line(l) { }
QString message() const { return m_message; }
int columnNumber() const { return m_column; }
int lineNumber() const { return m_line; }
private:
QString m_message;
int m_column;
int m_line;
};
class QXmlContentHandler {
public:
virtual bool startDocument() = 0;
virtual bool endDocument() = 0;
virtual bool startPrefixMapping(const QString &prefix, const QString &URI) = 0;
virtual bool endPrefixMapping(const QString &prefix) = 0;
virtual bool startElement(const QString &namespaceURI, const QString &localName, const QString &qName, const QXmlAttributes &attributes) = 0;
virtual bool endElement(const QString &namespaceURI, const QString &localName, const QString &qName) = 0;
virtual bool characters(const QString &characters) = 0;
virtual bool ignorableWhitespace(const QString &characters) = 0;
virtual bool processingInstruction(const QString &target, const QString &data) = 0;
virtual bool skippedEntity(const QString &name) = 0;
virtual QString errorString() = 0;
};
class QXmlLexicalHandler {
public:
virtual bool startDTD(const QString &name, const QString &publicId, const QString &systemId) = 0;
virtual bool endDTD() = 0;
virtual bool startEntity(const QString &name) = 0;
virtual bool endEntity(const QString &name) = 0;
virtual bool startCDATA() = 0;
virtual bool endCDATA() = 0;
virtual bool comment(const QString &characters) = 0;
virtual QString errorString() = 0;
};
class QXmlErrorHandler {
public:
virtual bool warning(const QXmlParseException &exception) = 0;
virtual bool error(const QXmlParseException &exception) = 0;
virtual bool fatalError(const QXmlParseException &exception) = 0;
virtual QString errorString() = 0;
};
class QXmlDeclHandler {
public:
virtual bool attributeDecl(const QString &entityName, const QString &attributeName, const QString &type, const QString &valueDefault, const QString &value) = 0;
virtual bool externalEntityDecl(const QString &name, const QString &publicId, const QString &systemId) = 0;
virtual bool internalEntityDecl(const QString &name, const QString &value) = 0;
};
class QXmlDTDHandler {
public:
virtual bool notationDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
virtual bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName) = 0;
virtual QString errorString() = 0;
};
class QXmlSimpleReader {
public:
QXmlSimpleReader();
void setContentHandler(QXmlContentHandler *handler) { _contentHandler = handler; }
void setDeclHandler(QXmlDeclHandler *handler) { _declarationHandler= handler; }
void setDTDHandler(QXmlDTDHandler *handler) { _DTDHandler = handler; }
void setErrorHandler(QXmlErrorHandler *handler) { _errorHandler = handler; }
void setLexicalHandler(QXmlLexicalHandler *handler) { _lexicalHandler = handler; }
QXmlContentHandler *contentHandler() const { return _contentHandler; }
QXmlErrorHandler *errorHandler() const { return _errorHandler; }
QXmlLexicalHandler *lexicalHandler() const { return _lexicalHandler; }
bool parse(const QXmlInputSource &input);
KWQXmlNamespace* pushNamespaces(QXmlAttributes& attributes);
KWQXmlNamespace* popNamespaces();
KWQXmlNamespace* xmlNamespace() { return m_namespaceStack.current(); }
bool parserStopped() const { return m_parserStopped; }
void stopParsing();
bool sawError() const { return m_sawError; }
void recordError() { m_sawError = true; }
int lineNumber() const;
int columnNumber() const;
private:
QXmlContentHandler *_contentHandler;
QXmlDeclHandler *_declarationHandler;
QXmlDTDHandler *_DTDHandler;
QXmlErrorHandler *_errorHandler;
QXmlLexicalHandler *_lexicalHandler;
QPtrStack<KWQXmlNamespace> m_namespaceStack;
struct _xmlParserCtxt *m_context;
bool m_parserStopped : 1;
bool m_sawError : 1;
};
#endif