ini文件纯C++读写代码

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：

////////////////////////////////////////////////////////////////
////
//ConfigurefileReaderforVATLVersion2.0//
////
//Author:Wang.Ping//
////
//Ver1.42//
////
//Date:18/08/99//
////
//(c)CopyrightV.A.T.LDevelopmentWorkgroup//
////
//!ReadMaxLineLength=2048//
//----------------------------------------------------------//
//Funciton://
////
//char*GetStrTitle(char*Str,char*Compstr);
//intGet1Par(intNum,char*Par,char*ParStr);//
//intGet1Par(intNum,long*Par,char*ParStr);//
//intGet1Par(intNum,int*Par,char*ParStr);//
//intGet1Par(intNum,float*Par,char*ParStr);//
//intGet1Par(intNum,unsignedint*Par,char*ParStr);//
////
//intGetField(char*FileName,char*Group,char*Item,//
//char*OutStr);//
//intGetField(char*FileName,char*Group,char*Item,//
//intPostion,char*OutStr);//
//intGetField(char*FileName,char*Group,char*Item,//
//intPostion,int&OutStr);//
//intGetField(char*FileName,char*Group,char*Item,//
//intPostion,float&OutStr);//
//intGetField(char*FileName,char*Group,char*Item,//
//intPostion,long&OutStr);//
//intGetField(char*FileName,char*Group,char*Item,//
//intPostion,unsignedlong&OutStr);//
////
//intWriteField(char*FileName,char*Group,char*Item,//
//char*OutStr,intMode=NEW);//
//intWriteField(char*FileName,char*Group,char*Item,//
//int&OutStr,intMode=NEW);//
//intWriteField(char*FileName,char*Group,char*Item,//
//float&OutStr,intMode=NEW);//
//intWriteField(char*FileName,char*Group,char*Item,//
//long&OutStr,intMode=NEW);//
//intWriteField(char*FileName,char*Group,char*Item,//
//unsignedlong&OutStr,intMode=NEW);//
////
//intCreatGroupName(char*FileName,char*Group);//
//intModifyGroupName(char*FileName,char*Group,//
//char*NewGroup,intMode=NEW);//
////
//intDeleteGroup(char*FileName,char*Group);//
//intDeleteField(char*FileName,char*Group,//
//char*Item);//
////
//intFindGroupName(char*FileName,char*Group);//
////
//char*READINI::GetVersion();//
////
////////////////////////////////////////////////////////////////

#if!defined(_READINI_H)
#define_READINI_H

#defineNEW0
#defineMODIFY1
#definePreMemorySize512
#defineNumricSize256

enumBL{READINIOFF=0,READINION=1};

classREADINI
{
longGetFileLen(char*FileName);
//-1:FileNotFound
//-2:Cancle
//-3:NotEnoughmemory
intCopyFile(char*OldName,char*NewName);
BLAutoBackup;
public:
READINI();
//Mode=0','
//Mode=1';'
intSplitMode;
voidSetSplitMode(intMode);

voidSetAutoBackup(BLAuto=READINIOFF);

voidGetZero(char*Buf);
voidGetZeroR(char*Buf);
//ReturnTitle
//Str=Str-Title
//NULL=notfoundorNotenoughmemory
char*GetStrTitle(char*Str,char*Compstr);
//return0:OK
//-1:CannotgetintParameters
//-2:Notenoughmemory
intGet1Par(intNum,char*Par,char*ParStr);
intGet1Par(intNum,long*Par,char*ParStr);
intGet1Par(intNum,int*Par,char*ParStr);
intGet1Par(intNum,float*Par,char*ParStr);
intGet1Par(intNum,unsignedint*Par,char*ParStr);
//ReadDataFrom"FileName"
//0:OK
//-1:Cannotopenfile
//-2:Nomatchfieldfound
//-3:Notenoughmemory
intGetField(char*FileName,char*Group,char*Item,char*OutStr);
intGetField(char*FileName,char*Group,char*Item,intPostion,char*OutStr);
intGetField(char*FileName,char*Group,char*Item,intPostion,int&OutStr);
//intGetField(char*FileName,char*Group,char*Item,intPostion,unsignedint&OutStr);
intGetField(char*FileName,char*Group,char*Item,intPostion,float&OutStr);
intGetField(char*FileName,char*Group,char*Item,intPostion,long&OutStr);
intGetField(char*FileName,char*Group,char*Item,intPostion,unsignedlong&OutStr);
//ModifyDatato"FileName"
//-1:FileNotFound
//-3:NotEnoughmemory
intWriteField(char*FileName,char*Group,char*Item,char*OutStr,intMode=NEW);
intWriteField(char*FileName,char*Group,char*Item,int&OutStr,intMode=NEW);
intWriteField(char*FileName,char*Group,char*Item,unsigned&OutStr,intMode=NEW);
intWriteField(char*FileName,char*Group,char*Item,float&OutStr,intMode=NEW);
intWriteField(char*FileName,char*Group,char*Item,long&OutStr,intMode=NEW);
intWriteField(char*FileName,char*Group,char*Item,unsignedlong&OutStr,intMode=NEW);
//
intCreatGroupName(char*FileName,char*Group);
intModifyGroupName(char*FileName,char*Group,char*NewGroup,intMode=NEW);
//
intDeleteGroup(char*FileName,char*Group);
intDeleteField(char*FileName,char*Group,char*Item);
//
intFindGroupName(char*FileName,char*Group);
//GetVersioninformation
char*GetVersion();
intGetVer();
};

externREADINIReadIni;
#endif

这是具体实现代码：

////////////////////////////////////////////////////////////////
////
//ConfigurefileReaderforVATLVersion2.0//
////
//Author:Wang.Ping//
////
//Ver1.3//
////
//Date:23/10/97//
////
//(c)CopyrightV.A.T.LDevelopmentWorkgroup//
////
////////////////////////////////////////////////////////////////
#include<string.h>
#include<stdio.h>
#include<stdlib.h>
#include<dir.h>

#include"readini.h"
#defineMAXBUFFER200

READINIReadIni;

READINI::READINI()
{
}

voidREADINI::GetZero(char*Buf)
{
inti=0,j=0;
intLen=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