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Diffstat (limited to 'autodoc/source/inc/tools/tkpchars.hxx')
| -rw-r--r-- | autodoc/source/inc/tools/tkpchars.hxx | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/autodoc/source/inc/tools/tkpchars.hxx b/autodoc/source/inc/tools/tkpchars.hxx new file mode 100644 index 000000000000..29caa3135a08 --- /dev/null +++ b/autodoc/source/inc/tools/tkpchars.hxx @@ -0,0 +1,210 @@ +/************************************************************************* + * + * $RCSfile: tkpchars.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: np $ $Date: 2002-03-08 14:45:28 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef ADC_TKPCHARS_HXX +#define ADC_TKPCHARS_HXX + +// USED SERVICES + // BASE CLASSES + // COMPONENTS + // PARAMETRS +#include <adc_cl.hxx> +#include <stack> + + + +/** @descr + + dpSource: + + 1||||||||||||||||||||||a||||||||||||b|||c||||||||||||||||||||... + + + 1 := first character of Sourcecode. + a := nLastTokenStart, there starts the last cut token. + b := nLastCut, there is a '\0'-char which marks the end of + the last cut token. The original character at b is stored + in cCharAtLastCut and will replace the '\0'-char, when the + next token is cut. + c := The current cursor position. + + + @needs cosv.lib + + @use This class can be used by any parser to get the chars of a + text one by one and separate them to tokens. +**/ + +class CharacterSource +{ + public: + // LIFECYCLE + CharacterSource(); + ~CharacterSource(); + + // OPERATIONS + /** Loads the complete contents of in_rSource into the classes private memory. + If in_rSource is a file, it has to be open of course. + After loading the text, the CurChar() is set on the begin of the text. + **/ + void LoadText( + csv::bstream & io_rSource); + /** Loads the complete contents of in_rSource into the classes private memory. + If in_rSource is a file, it has to be open of course. + After loading the text, the CurChar() is set on the begin of the text. + **/ + void LoadText( + const char * i_sSourceText ); + + void InsertTextAtCurPos( + const char * i_sText2Insert ); + + /// @return CurChar() after moving forward one char. + const char & MoveOn(); + /** @return + The token which starts at the char which was CurChar(), when + CutToken() was called the last time - or at the beginning of the text. + The token ends by the CurChar() being replaced by a '\0'. + + Value is valid until the next call of CutToken() or ~CharacterSource(). + **/ + const char * CutToken(); + + // INQUIRY + const char & CurChar() const; + /// @return The result of the last CutToken(). Or NULL, if there was none yet. + const char * CurToken() const; + + // INQUIRY + /// @return true, if + bool IsFinished() const; + + private: + struct S_SourceState + { + DYN char * dpSource; + intt nSourceSize; + + intt nCurPos; + intt nLastCut; + intt nLastTokenStart; + char cCharAtLastCut; + + S_SourceState( + DYN char * dpSource, + intt nSourceSize, + intt nCurPos, + intt nLastCut, + intt nLastTokenStart, + char cCharAtLastCut ); + }; + + void BeginSource(); + intt CurPos() const; + const char & MoveOn_OverStack(); + + // DATA + std::stack< S_SourceState > + aSourcesStack; + + DYN char * dpSource; + intt nSourceSize; + + intt nCurPos; + intt nLastCut; + intt nLastTokenStart; + char cCharAtLastCut; +}; + + +inline const char & +CharacterSource::MoveOn() + { +if (DEBUG_ShowText()) +{ + Cerr() << char(dpSource[nCurPos+1]) << Flush(); +} + if ( nCurPos < nSourceSize-1 ) + return dpSource[++nCurPos]; + else if ( aSourcesStack.size() > 0 ) + return MoveOn_OverStack(); + else + return dpSource[nCurPos = nSourceSize]; + } +inline const char & +CharacterSource::CurChar() const + { return nCurPos != nLastCut ? dpSource[nCurPos] : cCharAtLastCut; } +inline const char * +CharacterSource::CurToken() const + { return &dpSource[nLastTokenStart]; } +inline bool +CharacterSource::IsFinished() const + { return nCurPos >= nSourceSize; } +inline intt +CharacterSource::CurPos() const + { return nCurPos; } + + + + +#endif + + |