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113 lines
2.5 KiB
113 lines
2.5 KiB
/* This file is part of the KDE project
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Copyright (C) 2002, Dirk Schönberger <dirk.schoenberger@sz-online.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef PSCOMMENTLEXER_H
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#define PSCOMMENTLEXER_H
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#include <tqiodevice.h>
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#include <tqstring.h>
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/**
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*@author Dirk Schönberger
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*/
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typedef enum {
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State_Comment=0,
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State_CommentEncodedChar,
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State_Start
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} State;
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typedef enum {
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Action_Copy=1,
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Action_CopyOutput,
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Action_Output,
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Action_Ignore,
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Action_Abort,
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Action_OutputUnget,
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Action_InitTemp,
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Action_CopyTemp,
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Action_DecodeUnget,
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Action_ByteArraySpecial
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} Action;
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class StringBuffer {
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public:
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StringBuffer ();
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virtual ~StringBuffer ();
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void append (char c);
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void clear();
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TQString toString() const;
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uint length();
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double toFloat();
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int toInt();
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const char *latin1();
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TQString mid( uint index, uint len=0xffffffff) const;
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private:
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char *m_buffer;
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uint m_length;
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int m_capacity;
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void ensureCapacity (int p_capacity);
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};
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class PSCommentLexer {
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public:
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PSCommentLexer();
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virtual ~PSCommentLexer();
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virtual bool parse (TQIODevice& fin);
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private:
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State m_curState;
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StringBuffer m_buffer;
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StringBuffer m_temp;
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void nextStep (char c, State* newState, Action* newAction);
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void doOutput ();
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uchar decode();
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protected:
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virtual void parsingStarted();
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virtual void parsingFinished();
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virtual void parsingAborted();
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virtual void gotComment (const char *value);
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};
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class BoundingBoxExtractor : public PSCommentLexer
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{
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public:
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BoundingBoxExtractor();
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virtual ~BoundingBoxExtractor();
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int llx() { return m_llx; }
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int lly() { return m_lly; }
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int urx() { return m_urx; }
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int ury() { return m_ury; }
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private:
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int m_llx, m_lly, m_urx, m_ury;
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bool getRectangle (const char* input, int &llx, int &lly, int &urx, int &ury);
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protected:
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void gotComment (const char *value);
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};
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#endif
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