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Viewing changes to plugins/spit/qgsdbfbase.h

  • Committer: Bazaar Package Importer
  • Author(s): Steve Halasz
  • Date: 2004-12-21 09:46:27 UTC
  • Revision ID: james.westby@ubuntu.com-20041221094627-r9lb6mlz2o3yp8gn
Tags: upstream-0.6.0
Import upstream version 0.6.0

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plugins/spit/qgsdbfbase.h
 
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/***************************************************************************
 
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    qgsbdfbase.h - Dbase IV Header
 
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     --------------------------------------
 
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    Date                 : 25-Dec-2003
 
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    Copyright            : (C) 2003 by Gary E.Sherman
 
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    email                : sherman at mrcc.com
 
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 ***************************************************************************
 
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 *                                                                         *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) any later version.                                   *
 
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 *                                                                         *
 
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 ***************************************************************************/
 
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/* $Id: qgsdbfbase.h,v 1.3 2004/02/14 16:44:16 gsherman Exp $ */
 
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// Dbase header structure
 
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struct DbaseHeader {
 
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    unsigned char valid_dbf;
 
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    char year;
 
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    char month;
 
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    char day;
 
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    long num_recs;
 
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    short size_hdr;
 
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    short size_rec;
 
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    char reserved[3];
 
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    char lan[13];
 
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    char reserved2[4];
 
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};
 
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// Field descriptor array - defines a field and its attributes (type,
 
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// length, etc.
 
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struct FieldDescriptorArray {
 
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        char field_name[11];
 
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        char field_type;
 
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        long field_addr;  /* used only in memory */
 
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        unsigned char field_length;
 
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        unsigned char field_decimal;
 
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        char reserved[2];
 
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        char work_area;
 
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        char lan[2];
 
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        char set_fields;
 
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        char reserved2[8];
 
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};
 
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// Typedefs
 
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typedef struct FieldDescriptorArray Fda;
 
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typedef struct DbaseHeader DbH;
 
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// Field Array class
 
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class DbaseFieldArray {
 
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public:
 
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        DbaseFieldArray(int numberOfFields);
 
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        void addField(char *name, char type, unsigned char length,
 
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                        unsigned char decimal);
 
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        int getNumFields();
 
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        Fda  *getField(int index);
 
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private:
 
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        struct FieldDescriptorArray *fda;
 
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        unsigned int fieldCount;
 
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        int numFields;
 
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};
 
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// Dbase file class (incomplete implementation)
 
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class DbaseFile {
 
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public:
 
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    DbaseFile(char *fileName, int numRecords, int recordSize, DbaseFieldArray &fda);
 
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        void writeHeader();
 
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        void writeFieldDescriptors();
 
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        void writeRecord(const char *data);
 
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        void closeFile();
 
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        struct DbaseHeader header;
 
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private:
 
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        char * fileName;
 
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        int numRecords;
 
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        int recordSize;
 
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        DbaseFieldArray fieldArray;
 
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        long pos;
 
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        bool firstRecord;
 
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};