textparser.h

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/***************************************************************************
 textparser.h
 Superclass for parsing text, used for importing list of values
 -------------------
 copyright : (C) 2007 CREALP Lucien Schreiber
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 TEXTPARSER_H
#define TEXTPARSER_H
 
// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>
 
// Include wxWidgets' headers
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
#include <wx/filename.h>
#include <wx/textfile.h>
#include <wx/tokenzr.h>
 
#define TEXTPARSER_TYPE_TXTFILE _("Text file parser")
 
enum TEXTPARSER_TYPE {
    TXTFILE_COMMA = 0,
    TXTFILE_TAB = 1
};
 
static wxString TEXTPARSER_WILDCARDS[] = {wxTRANSLATE("Semi-colon delimited text files (*.csv)|*.csv"),
                                          wxTRANSLATE("Tab delimited text files (*.txt)|*.txt")};
 
static wxString TEXTPARSER_NAME[] = {wxTRANSLATE("Semi-colon delimited text files"),
                                     wxTRANSLATE("Tab delimited text files")};
 
/***************************************************************************/ 
class TextParser : public wxObject {
  protected:
    wxString m_ParseFileType;
    wxFileName m_ParseFileName;
    static int m_iActualLine;
    int m_LineCount;
    int m_NbFieldToParse;
 
    bool CheckParseFileExist();
 
  public:
    TextParser();
 
    ~TextParser();
 
    wxString GetParserType() {
        return m_ParseFileType;
    }
 
    void SetParseFileName(const wxString& myFileName);
 
    void SetParseFileName(const wxFileName& myFileName);
 
    virtual bool OpenParseFile(bool bCreate = FALSE);
 
    virtual int ParseNextLine(wxArrayString& myValues);
 
    virtual bool WriteNextLine(const wxArrayString& myValues) {
        return TRUE;
    }
 
    virtual bool CloseParseFile();
 
    int GetActualLineNumber() {
        return m_iActualLine;
    }
 
    void InitActualLineNumber() {
        m_iActualLine = 0;
    }
 
    inline void IncrementActualLineNumber(int iIncrement = 1);
 
    int GetLineCount() {
        return m_LineCount;
    }
 
    static wxString GetAllSupportedParserWildCards();
 
    static TextParser* CreateParserBasedOnType(const int& textparser_index, const wxFileName& filename);
 
    virtual bool CheckFileToParse() {
        return TRUE;
    }
 
    void SetNumberOfFields(int inbfield);
};
 
/***************************************************************************/ 
class TextParserTxtFile : public TextParser {
  protected:
    wxTextFile* m_File;
    wxString m_TextSeparator;
 
    virtual void InitParserValue();
 
    bool m_WriteMode;
 
  public:
    TextParserTxtFile();
 
    TextParserTxtFile(const wxString& filename);
 
    TextParserTxtFile(const wxFileName& filename);
 
    ~TextParserTxtFile();
 
    virtual bool OpenParseFile(bool bCreate = FALSE);
 
    virtual bool CloseParseFile();
 
    virtual int ParseNextLine(wxArrayString& myValues);
 
    virtual bool WriteNextLine(const wxArrayString& myValues);
 
    virtual bool CheckFileToParse();
};
 
class TextParserTxtFileComma : public TextParserTxtFile {
  protected:
    virtual void InitParserValue();
 
  public:
    TextParserTxtFileComma();
 
    TextParserTxtFileComma(const wxString& filename);
 
    ~TextParserTxtFileComma() {
        ;
    }
};
 
class TextParserTxtFileTab : public TextParserTxtFile {
  protected:
    virtual void InitParserValue();
 
  public:
    TextParserTxtFileTab();
 
    TextParserTxtFileTab(const wxString& filename);
 
    ~TextParserTxtFileTab() {
        ;
    }
};
 
#endif