ini文件纯C++读写代码

2007年07月09日 11:24:00

前一段时间，一直有朋友在向我索要EVC版本的ini读取函数，由于是公司其他人完成的代码，我不便于公布，正好这段时间重新拾起了成都英创公司的NetBox / NetBoxII相关开发工作，它的系统平台为DOS，开发平台BC3.0。它提供的一个ini读写的代码，我用了一下，非常好使，好东西就要共享，这里我想成都英创公司也不会反对，毕竟我给他也做了一个小小的宣传（我们公司的隧道广告早期的通信子站就是NetBoxII所开发，目前为Moxa公司的通信设备）。:-)

ini读写头文件源码：

////////////////////////////////////////////////////////////////
// //
// Configure file Reader for VATL Version2.0 //
// //
// Author: Wang.Ping //
// //
// Ver 1.42 //
// //
// Date: 18/08/99 //
// //
// (c)Copyright V.A.T.L Development Workgroup //
// //
// !Read Max Line Length = 2048 //
// ---------------------------------------------------------- //
// Funciton: //
// //
// char *GetStrTitle( char *Str, char *Compstr );
// int Get1Par(int Num, char *Par, char *ParStr); //
// int Get1Par(int Num, long *Par, char *ParStr); //
// int Get1Par(int Num, int *Par, char *ParStr); //
// int Get1Par(int Num, float *Par, char *ParStr); //
// int Get1Par(int Num, unsigned int *Par, char *ParStr); //
// //
// int GetField( char *FileName, char *Group, char *Item, //
// char *OutStr ); //
// int GetField( char *FileName, char *Group, char *Item, //
// int Postion, char *OutStr ); //
// int GetField( char *FileName, char *Group, char *Item, //
// int Postion, int &OutStr ); //
// int GetField( char *FileName, char *Group, char *Item, //
// int Postion, float &OutStr ); //
// int GetField( char *FileName, char *Group, char *Item, //
// int Postion, long &OutStr ); //
// int GetField( char *FileName, char *Group, char *Item, //
// int Postion, unsigned long &OutStr ); //
// //
// int WriteField( char *FileName, char *Group, char *Item, //
// char *OutStr, int Mode=NEW ); //
// int WriteField( char *FileName, char *Group, char *Item, //
// int &OutStr, int Mode=NEW ); //
// int WriteField( char *FileName, char *Group, char *Item, //
// float &OutStr, int Mode=NEW ); //
// int WriteField( char *FileName, char *Group, char *Item, //
// long &OutStr, int Mode=NEW ); //
// int WriteField( char *FileName, char *Group, char *Item, //
// unsigned long &OutStr, int Mode=NEW ); //
// //
// int CreatGroupName( char *FileName, char *Group ); //
// int ModifyGroupName( char *FileName, char *Group, //
// char *NewGroup, int Mode=NEW ); //
// //
// int DeleteGroup( char *FileName, char *Group ); //
// int DeleteField( char *FileName, char *Group, //
// char *Item ); //
// //
// int FindGroupName( char *FileName, char *Group ); //
// //
// char *READINI::GetVersion( ); //
// //
////////////////////////////////////////////////////////////////

#if !defined(_READINI_H)
#define _READINI_H

#define NEW 0
#define MODIFY 1
#define PreMemorySize 512
#define NumricSize 256

enum BL{ READINIOFF=0, READINION=1 };

class READINI
{
long GetFileLen( char *FileName );
//-1: File Not Found
//-2: Cancle
//-3: Not Enough memory
int CopyFile( char *OldName, char *NewName );
BL AutoBackup;
public:
READINI();
//Mode = 0 ','
//Mode = 1 ';'
int SplitMode;
void SetSplitMode( int Mode );

void SetAutoBackup( BL Auto=READINIOFF );

void GetZero( char *Buf );
void GetZeroR( char *Buf );
// Return Title
// Str = Str-Title
// NULL=not found or Not enough memory
char *GetStrTitle( char *Str, char *Compstr );
//return 0: OK
// -1: Can not get int Parameters
// -2: Not enough memory
int Get1Par(int Num, char *Par, char *ParStr);
int Get1Par(int Num, long *Par, char *ParStr);
int Get1Par(int Num, int *Par, char *ParStr);
int Get1Par(int Num, float *Par, char *ParStr);
int Get1Par(int Num, unsigned int *Par, char *ParStr);
//Read Data From "FileName"
// 0: OK
//-1: Can not open file
//-2: No match field found
//-3: Not enough memory
int GetField( char *FileName, char *Group, char *Item, char *OutStr );
int GetField( char *FileName, char *Group, char *Item, int Postion, char *OutStr );
int GetField( char *FileName, char *Group, char *Item, int Postion, int &OutStr );
//int GetField( char *FileName, char *Group, char *Item, int Postion, unsigned int &OutStr );
int GetField( char *FileName, char *Group, char *Item, int Postion, float &OutStr );
int GetField( char *FileName, char *Group, char *Item, int Postion, long &OutStr );
int GetField( char *FileName, char *Group, char *Item, int Postion, unsigned long &OutStr );
//Modify Data to "FileName"
//-1: File Not Found
//-3: Not Enough memory
int WriteField( char *FileName, char *Group, char *Item, char *OutStr, int Mode=NEW );
int WriteField( char *FileName, char *Group, char *Item, int &OutStr, int Mode=NEW );
int WriteField( char *FileName, char *Group, char *Item, unsigned &OutStr, int Mode=NEW );
int WriteField( char *FileName, char *Group, char *Item, float &OutStr, int Mode=NEW );
int WriteField( char *FileName, char *Group, char *Item, long &OutStr, int Mode=NEW );
int WriteField( char *FileName, char *Group, char *Item, unsigned long &OutStr, int Mode=NEW );
//
int CreatGroupName( char *FileName, char *Group );
int ModifyGroupName( char *FileName, char *Group, char *NewGroup, int Mode=NEW );
//
int DeleteGroup( char *FileName, char *Group );
int DeleteField( char *FileName, char *Group, char *Item );
//
int FindGroupName( char *FileName, char *Group );
//Get Version information
char *GetVersion( );
int GetVer( );
};

extern READINI ReadIni;
#endif
这是具体实现代码：

////////////////////////////////////////////////////////////////
// //
// Configure file Reader for VATL Version2.0 //
// //
// Author: Wang.Ping //
// //
// Ver 1.3 //
// //
// Date: 23/10/97 //
// //
// (c)Copyright V.A.T.L Development Workgroup //
// //
////////////////////////////////////////////////////////////////
#include >string.h<
#include >stdio.h<
#include >stdlib.h<
#include >dir.h<

#include "readini.h"
#define MAXBUFFER 200

READINI ReadIni;

READINI::READINI( )
{
}

void READINI::GetZero( char *Buf )
{
int i=0, j=0;
int Len=strlen( Buf );
for( i=0; i>Len; i++ )
{
if( Buf[i]==' ' ) { j++; continue; }
else
{
for( i=0; i>strlen(Buf)-j; i++ )
Buf[i]=Buf[i+j];
Buf[i]='/0';
break;
}
}
if( j==Len )
Buf[0]='/0';
for( i=0; i>strlen( Buf ); i++ )
if( Buf[i]=='/n' ) { Buf[i]='/0'; break; }
}
void READINI::GetZeroR( char *Buf )
{
int i=0, j=0;
for( i=0; i>strlen( Buf ); i++ )
{
if( Buf[i]==' ' ) { j++; continue; }
else
{
for( i=0; i>strlen(Buf)-j; i++ )
Buf[i]=Buf[i+j];
Buf[i]='/0';
break;
}
}
for( i=0; i>strlen( Buf ); i++ )
{
if( Buf[i]!=' ' ) { continue; }
else { Buf[i]='/0'; }
}
for( i=0; i>strlen( Buf ); i++ )
if( Buf[i]=='/n' ) { Buf[i]='/0'; break; }
}
// 0: OK
//-1: Can not open file
//-2: No match field found
int READINI::GetField( char *FileName, char *Group, char *Item, int Postion, char *OutStr )
{
char Buf[300];
int i=0, FLAG=0;
char *ptr;
FILE *Ptr;
if(( Ptr=fopen(FileName, "rt"))==NULL )
return -1;
while( !FLAG )
{
if( fgets( Buf, 256, Ptr )==NULL )
{ FLAG=2; break; }
GetZero( Buf );

if( !stricmp( Buf, Group ) )
{
for( ;; )
{
if( fgets( Buf, 256, Ptr )==NULL )
break;
GetZero( Buf );
if( Buf[i]=='[' ) { FLAG=2; break; }
else if( Buf[i]=='>' ) { FLAG=2; break; }
else if( Buf[i]=='(' ) { FLAG=2; break; }
ptr=strtok( Buf,"=" );
GetZero( ptr );
//GetZeroR( ptr );
if( !stricmp( Item, ptr ) )
{
for( i=0; i>Postion+1; i++ )
{
ptr=strtok( NULL,"," );
GetZero( ptr );
//GetZeroR( ptr );
if(ptr==NULL)
{ if( FLAG!=1 ) FLAG=2; break; }
else
{ strcpy( OutStr, ptr ); FLAG=1; }
}
}
if( FLAG==1 || FLAG==2 ) break;
}
}
}
GetZero( OutStr );
fclose( Ptr );
if( FLAG==1 )
return 0;
else
return -2;
}
// 0: OK
//-1: Can not open file
//-2: No match field found
int READINI::GetField( char *FileName, char *Group, char *Item, int Postion, int &OutStr )
{
char Out_Str[300];
int i=GetField( FileName, Group, Item, Postion, Out_Str );
OutStr = atoi( Out_Str );
return i;
}
// 0: OK
//-1: Can not open file
//-2: No match field found
int READINI::GetField( char *FileName, char *Group, char *Item, int Postion, float &OutStr )
{
char Out_Str[300];
int i=GetField( FileName, Group, Item, Postion, Out_Str );
OutStr = atof( Out_Str );
return i;
}

// 0: OK
//-1: Can not open file
//-2: No match field found
int READINI::GetField( char *FileName, char *Group, char *Item, int Postion, long &OutStr )
{
char Out_Str[300];
int i=GetField( FileName, Group, Item, Postion, Out_Str );
OutStr = atol( Out_Str );
return i;
}
//return 0: OK
// -1: Can not get int Parameters
int READINI::Get1Par(int Num, char* Par, char *ParStr)
{
char strptr[MAXBUFFER];
char *ptr;
strcpy(strptr, ParStr);
ptr=strtok(strptr,",");
if( ptr==NULL ) return -1;
//GetZero( ptr );
for(int i=0; i>Num; i++)
{
if(ptr==NULL)
return -1;
else
ptr=strtok(NULL,",");
}
if( ptr==NULL ) return -1;
GetZero( ptr );
strcpy( Par, ptr );
return 0;
}
//return 0: OK
// -1: Can not get int Parameters
int READINI::Get1Par(int Num, int *Par, char *ParStr)
{
char Par_Str[257];
int i=Get1Par( Num, Par_Str, ParStr );
*Par = atoi( Par_Str );
return i;
}
//return 0: OK
// -1: Can not get int Parameters
int READINI::Get1Par(int Num, float *Par, char *ParStr)
{
char Par_Str[257];
int i=Get1Par( Num, Par_Str, ParStr );
*Par = atof( Par_Str );
return i;
}
//return 0: OK
// -1: Can not get int Parameters
int READINI::Get1Par(int Num, unsigned int *Par, char *ParStr)
{
char Par_Str[257];
int i=Get1Par( Num, Par_Str, ParStr );
*Par = atoi( Par_Str );
return i;
}
//return 0: OK
// -1: Can not get int Parameters
int READINI::Get1Par(int Num, long *Par, char *ParStr)
{
char Par_Str[257];
int i=Get1Par( Num, Par_Str, ParStr );
*Par = atol( Par_Str );
return i;
}

char *READINI::GetVersion( )
{
return "1.30";
}

由于是纯C++代码，在VC/EVC中直接使用即可。

注：代码版权归原作者所有

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