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Diffstat (limited to 'src/parsers/qhtmlstream.h')
| -rw-r--r-- | src/parsers/qhtmlstream.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/src/parsers/qhtmlstream.h b/src/parsers/qhtmlstream.h new file mode 100644 index 0000000..330f9d5 --- /dev/null +++ b/src/parsers/qhtmlstream.h @@ -0,0 +1,286 @@ +/*************************************************************************** + * Copyright (C) 2003 by Sylvain Joyeux * + * [email protected] * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ +#ifndef QHtmlStream_H +#define QHtmlStream_H + +#include <qtextstream.h> +#include <qstringlist.h> + +class QHtmlStream; +class QHtmlStreamManip; + +/** +@author Sylvain Joyeux +*/ + +class QHtmlStreamManip +{ +protected: + virtual void apply(QHtmlStream& stream) const = 0; + +public: + virtual ~QHtmlStreamManip() {}; + void operator () (QHtmlStream& stream) const + { apply(stream); } +}; + +class QHtmlStream +{ + QTextOStream m_stream; + + enum States + { + NORMAL_FLOW, + TAG, + BLOCK, + PARAM + }; + int m_state, m_enclosing_state; + + bool m_newline; + QString m_indent; + QStringList m_blockstack; + + void finalize_open() + { + if (m_state == PARAM) + m_state = m_enclosing_state; + + if (m_state == BLOCK) + m_stream << ">"; + else if (m_state == TAG) + m_stream << " />"; + + m_state = NORMAL_FLOW; + } + + void indent() + { + if (m_newline) + { + m_stream << m_indent; + m_newline = false; + } + } + + template<class T> + QHtmlStream& output(const T& o) + { + indent(); + + if (m_state == PARAM) + { + m_stream << "=\"" << o << "\""; + m_state = m_enclosing_state; + return *this; + } + + if (m_state == BLOCK) + { + m_stream << ">"; + m_state = NORMAL_FLOW; + } + else if (m_state == TAG) + { + m_stream << "/>"; + m_state = NORMAL_FLOW; + } + m_stream << o; + + return *this; + } + +public: + QHtmlStream(QString* buffer) + : m_stream(buffer), m_state(NORMAL_FLOW), m_newline(true) {} + ~QHtmlStream() {} + + void tag(const QString& name, const QString& cl, const QString& id) + { + finalize_open(); + indent(); + + m_stream << '<' << name; + m_state = TAG; + + if (!cl.isEmpty()) + m_stream << " class=\"" << cl << "\""; + if (!id.isEmpty()) + m_stream << " id=\"" << id << "\""; + } + + void block(const QString& name, const QString& cl, const QString& id) + { + finalize_open(); + indent(); + + m_stream << '<' << name; + m_indent += '\t'; + m_blockstack.push_front(name); + m_state = BLOCK; + + if (!cl.isEmpty()) + m_stream << " class=\"" << cl << "\""; + if (!id.isEmpty()) + m_stream << " id=\"" << id << "\""; + } + + void parameter(const QString& param_name) + { + if (m_state == NORMAL_FLOW) return; + + m_stream << " " << param_name; + m_enclosing_state = m_state; + m_state = PARAM; + } + + void close() + { + finalize_open(); + + m_indent.truncate(m_indent.length() - 1); + indent(); + m_stream << "</" << m_blockstack.first() << ">"; + m_blockstack.pop_front(); + } + void close_all(bool indent) + { + while( ! m_blockstack.empty() ) + { + if (indent) + (*this) << endl; + close(); + } + } + + void data() + { + finalize_open(); + } + + QHtmlStream & operator<< ( QChar c ) { return output(c); } + QHtmlStream & operator<< ( char c ) { return output(c); } + QHtmlStream & operator<< ( signed short i ) { return output(i); } + QHtmlStream & operator<< ( unsigned short i ) { return output(i); } + QHtmlStream & operator<< ( signed int i ) { return output(i); } + QHtmlStream & operator<< ( unsigned int i ) { return output(i); } + QHtmlStream & operator<< ( signed long i ) { return output(i); } + QHtmlStream & operator<< ( unsigned long i ) { return output(i); } + QHtmlStream & operator<< ( float f ) { return output(f); } + QHtmlStream & operator<< ( double f ) { return output(f); } + QHtmlStream & operator<< ( const char * s ) { return output(s); } + QHtmlStream & operator<< ( const QString & s ) { return output(s); } + QHtmlStream & operator<< ( const QCString & s ) { return output(s); } + + QHtmlStream & operator<< ( const QHtmlStreamManip& op ) + { + op(*this); + return *this; + } + + QHtmlStream & operator<< (QTSManip m) + { + finalize_open(); + m_stream << m; + return (*this); + } + + QHtmlStream & operator<< (QTSFUNC f) + { + finalize_open(); + int old_flags = m_stream.flags(); + m_stream << f; + if (old_flags == m_stream.flags()) + m_newline = true; + return (*this); + } +}; + +/*************************************************************************************** +* Stream manipulators +*/ + +class QHtmlStreamManip0 : public QHtmlStreamManip +{ +public: + typedef void (QHtmlStream::*Method)(); + +private: + Method m_method; + + void apply (QHtmlStream& stream) const + { (stream.*m_method)(); } + +public: + QHtmlStreamManip0(Method m) + : m_method(m) {} +}; + +class QHtmlStreamManip1 : public QHtmlStreamManip +{ +public: + typedef void (QHtmlStream::*Method)(const QString& param); + +private: + Method m_method; + QString m_param; + + void apply(QHtmlStream& stream) const + { (stream.*m_method)(m_param); } + +public: + QHtmlStreamManip1(Method m, const QString& param) + : m_method(m), m_param(param) {} +}; + +class QHtmlStreamManip3 : public QHtmlStreamManip +{ +public: + typedef void (QHtmlStream::*Method)(const QString& param0, const QString& param1, const QString& param2); + +private: + Method m_method; + QString m_param0, m_param1, m_param2; + + void apply(QHtmlStream& stream) const + { (stream.*m_method)(m_param0, m_param1, m_param2); } + +public: + QHtmlStreamManip3(Method m, const QString& param0, const QString& param1, const QString& param2) + : m_method(m), + m_param0(param0), m_param1(param1), m_param2(param2) {} +}; + +class CloseAll : public QHtmlStreamManip +{ +private: + bool m_indent; + void apply(QHtmlStream& stream) const + { stream.close_all(m_indent); } +public: + CloseAll(bool indent) : m_indent(indent) {} +}; + +inline QHtmlStreamManip3 tag(const QString& name, const QString& cl = QString::null, const QString& id = QString::null) +{ return QHtmlStreamManip3(&QHtmlStream::tag, name, cl, id); } +inline QHtmlStreamManip3 block(const QString& name, const QString& cl = QString::null, const QString& id = QString::null) +{ return QHtmlStreamManip3(&QHtmlStream::block, name, cl, id); } + +inline QHtmlStreamManip1 param(const QString& name) +{ return QHtmlStreamManip1(&QHtmlStream::parameter, name); } + +inline QHtmlStreamManip0 close() +{ return QHtmlStreamManip0(&QHtmlStream::close); } +inline QHtmlStreamManip0 data() +{ return QHtmlStreamManip0(&QHtmlStream::data); } +inline CloseAll close_all(bool indent = true) +{ return CloseAll(indent); } + +#endif |