/** ******************************************************************************* * @file EdnBuf.h * @brief Editeur De N'ours : Buffer for internal Data (header) * @author Edouard DUPIN * @date 23/03/2011 * @par Project * Edn * * @par Copyright * Copyright 2010 Edouard DUPIN, all right reserved * * This software is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY. * * Licence summary : * You can modify and redistribute the sources code and binaries. * You can send me the bug-fix * You can not earn money with this Software (if the source extract from Edn * represent less than 50% of original Sources) * Term of the licence in in the file licence.txt. * ******************************************************************************* */ #ifndef __EDN_BUF_H__ #define __EDN_BUF_H__ /* Maximum length in characters of a tab or control character expansion of a single buffer character */ #define MAX_EXP_CHAR_LEN 20*4 class EdnBuf; #include "EdnVectorBuf.h" #include "EdnBufHistory.h" #include "HighlightManager.h" #include "charset.h" /* rectStart rectStart start ************* ************* ********** * xxxx*xxxxxx * * ******** xxxx*xxxxxxxxxxx*xxxxx end *************** ************* rectEnd rectEnd */ typedef struct { bool selected; //!< True if the selection is active bool rectangular; //!< True if the selection is rectangular bool zeroWidth; //!< Width 0 selections aren't "real" selections, but they can be useful when creating rectangular selections from the keyboard. int32_t start; //!< Pos. of start of selection, or if rectangular start of line containing it. int32_t end; //!< Pos. of end of selection, or if rectangular end of line containing it. int32_t rectStart; //!< Indent of left edge of rect. selection int32_t rectEnd; //!< Indent of right edge of rect. selection } selection; typedef enum{ SELECTION_PRIMARY, SELECTION_SECONDARY, SELECTION_HIGHTLIGHT, SELECTION_SIZE }selectionType_te; typedef struct { std::vector HLData; int32_t idSequence; int32_t posHLPass1; int32_t posHLPass2; }displayHLData_ts; class EdnBuf { public: // constructer EdnBuf(void); // destructer ~EdnBuf(void); // public function : void GetAll( EdnVectorBin &text); void SetAll( EdnVectorBin &text); void GetRange( int32_t start, int32_t end, EdnVectorBin &output); bool DumpIn( FILE *myFile); bool DumpFrom( FILE *myFile); // replace with operator [] ... int8_t operator[] (int32_t); void Insert( int32_t pos, EdnVectorBin &insertText); void Replace( int32_t start, int32_t end, EdnVectorBin &insertText); void Remove( int32_t start, int32_t end); int32_t Indent( selectionType_te select); int32_t UnIndent( selectionType_te select); void GetLineText( int32_t pos, EdnVectorBin &text); int32_t StartOfLine( int32_t pos); int32_t EndOfLine( int32_t pos); int32_t GetExpandedChar( int32_t &pos, int32_t indent, char outUTF8[MAX_EXP_CHAR_LEN], uint32_t ¤tChar); int32_t ExpandCharacter( char c, int32_t indent, char outUTF8[MAX_EXP_CHAR_LEN]); // TODO : rework this int32_t CharWidth( char c, int32_t indent); // TODO : rework this int32_t CountDispChars( int32_t lineStartPos, int32_t targetPos); int32_t CountForwardDispChars( int32_t lineStartPos, int32_t nChars); int32_t CountLines( int32_t startPos, int32_t endPos); int32_t CountLines( void); int32_t CountLines( EdnVectorBin &data); int32_t CountForwardNLines( int32_t startPos, int32_t nLines); int32_t CountBackwardNLines( int32_t startPos, int32_t nLines); bool SearchForward( int32_t startPos, EdnVectorBin &searchVect, int32_t *foundPos, bool caseSensitive = true); bool SearchBackward( int32_t startPos, EdnVectorBin &searchVect, int32_t *foundPos, bool caseSensitive = true); bool SearchForward( int32_t startPos, char searchChar, int32_t *foundPos); bool SearchBackward( int32_t startPos, char searchChar, int32_t *foundPos); bool SelectAround( int32_t startPos, int32_t &beginPos, int32_t &endPos); // Buffer Size system : int32_t Size(void) { return m_data.Size(); }; int32_t NumberOfLines(void) {return m_nbLine;}; // ----------------------------------------- // selection remember... // ----------------------------------------- public: bool SelectHasSelection( selectionType_te select); void Select( selectionType_te select, int32_t start, int32_t end); void Unselect( selectionType_te select); void RectSelect( selectionType_te select, int32_t start, int32_t end, int32_t rectStart, int32_t rectEnd); bool GetSelectionPos( selectionType_te select, int32_t &start, int32_t &end, bool &isRect, int32_t &rectStart, int32_t &rectEnd); void GetSelectionText( selectionType_te select, EdnVectorBin &text); void RemoveSelected( selectionType_te select); void ReplaceSelected( selectionType_te select, EdnVectorBin &text); private: // current selection of the buffer selection m_selectionList[SELECTION_SIZE]; //!< Selection area of the buffer void UpdateSelection( selectionType_te select, int32_t pos, int32_t nDeleted, int32_t nInserted); void UpdateSelections( int32_t pos, int32_t nDeleted, int32_t nInserted); // ----------------------------------------- // History section : // ----------------------------------------- public: int32_t Undo( void); int32_t Redo( void); private: bool m_isUndoProcessing; bool m_isRedoProcessing; EdnVectorBin m_historyUndo; EdnVectorBin m_historyRedo; // ----------------------------------------- // hightlight section : // ----------------------------------------- private: Highlight * m_Highlight; //!< internal link with the Highlight system std::vector m_HLDataPass1; //!< colorisation position in the current buffer pass 1 int32_t m_HLDataSequence; //!< position of the start of line requested by the screen viewer void RegenerateHighLightAt(int32_t pos, int32_t nbDeleted, int32_t nbAdded); void GenerateHighLightAt(int32_t pos, int32_t endPos, int32_t addinPos=0); void CleanHighLight(void); void FindMainHighLightPosition(int32_t startPos, int32_t endPos, int32_t &startId, int32_t &stopId, bool backPreviousNotEnded); public: void SetHLSystem( Highlight * newHLSystem); void HightlightGenerateLines(displayHLData_ts & MData, int32_t startPos, int32_t nbLines); colorInformation_ts * GetElementColorAtPosition(displayHLData_ts & MData, int32_t pos); private: colorInformation_ts * GetElementColorAtPosition(int32_t pos, int32_t &starPos); private: EdnVectorBuf m_data; //!< buffer of the data in the mode int8_t void CountNumberOfLines(void); int32_t m_nbLine; //!< Number of line in the biffer // ----------------------------------------- // Display property and charset ... // ----------------------------------------- public: int32_t GetTabDistance(void) { return m_tabDist; } ; void SetTabDistance(int32_t tabDist) { m_tabDist = tabDist; }; charset_te GetCharsetType(void) { return m_charsetType; }; void SetCharsetType(charset_te newOne) { m_charsetType = newOne; if (EDN_CHARSET_UTF8==newOne){m_isUtf8=true;} else {m_isUtf8=false;} }; bool GetUTF8Mode(void) { return m_isUtf8; }; void SetUTF8Mode(bool newOne) { m_isUtf8 = newOne; m_charsetType=EDN_CHARSET_UTF8; }; private: // Special mode of the buffer : bool m_isUtf8; //!< true if we are in UTF8 mode ==> if true the size of a char is 0, otherwise .. 1->4 ( TODO : not now) charset_te m_charsetType; //!< if UTF8 mode is at false : the charset type of the buffer // Local Tabulation policies int32_t m_tabDist; //!< equiv. number of characters in a tab bool m_useTabs; //!< True if buffer routines are allowed to use tabs for padding in rectangular operations // ----------------------------------------- // Local function : // ----------------------------------------- private: void findRectSelBoundariesForCopy( int32_t lineStartPos, int32_t rectStart, int32_t rectEnd, int32_t *selStart, int32_t *selEnd); char *getSelectionText( selection &sel); void removeSelected( selection &sel); void replaceSelected( selection &sel, const char *text); void eventModification( int32_t pos, int32_t nInserted, EdnVectorBin &deletedText); int32_t insert( int32_t pos, EdnVectorBin &insertText); bool charMatch( char first, char second, bool caseSensitive = true); }; #endif