C++标准库实现INI文件的读写操作类

本类是在网络上的一个标准ini读写类修改扩展而来&＃xff0c;新增了获取当前可执行文件路径&＃xff0c;宽字节转多字节功能

IniFileSTL.h&＃xff1a;

#ifndef _FISH_INI_FILE_
#define _FISH_INI_FILE_#include
#include namespace fish
{
using namespace std;class IniFileSTL
{
public:explicit IniFileSTL(const string &fileName);~IniFileSTL(void);bool ReadFile(void);string ReadString( const string §ion, const string &key, const string &value );int ReadInt( const string §ion, const string &key, int value );bool WriteString( const string §ion, const string &key, const string &value );bool WriteInt( const string §ion, const string &key, int value );bool RemoveSection( const string §ion );bool RemoveKey( const string §ion, const string &key );bool WriteFile(void);//获取当前可执行文件的路径&＃xff08;不包含EXE文件名&＃xff09;static string GetExeDir();//宽字节转多字节(wchar-char)static char* WcharToChar(const wchar_t* wp);//多字节转宽字节&＃xff08;char-wchar&＃xff09;static wchar_t* CharToWchar(const char* cp);
private:static string Trim( const string &str );static string LTrim( const string &str );static string RTrim( const string &str );
private:string m_fileName;vector m_vctLine;
};}#endif//简单使用例子
//#include
//#include
//#include "IniFile.h"
//
//using namespace fish;
//
//int main(int argc, char **argv)
//{
// IniFile ini("./test.ini");
// cout<// cout<// return 0;
//}


IniFileSTL.cpp&＃xff1a;

#include "stdafx.h"
#include "IniFileSTL.h"
#include
#include
#include
namespace fish
{IniFileSTL::IniFileSTL(const string &fileName)
:m_fileName(fileName)
{ReadFile();
}IniFileSTL::~IniFileSTL(void)
{WriteFile();
}//获取当前可执行文件的路径&＃xff08;不包含EXE文件名&＃xff09;
string IniFileSTL::GetExeDir()
{wchar_t exeFullPath[MAX_PATH]; // Full path string StrPath&＃61;" "; GetModuleFileName(NULL, exeFullPath, MAX_PATH); StrPath&＃61;(string)WcharToChar(exeFullPath); // Get full path of the file int leng &＃61; StrPath.length();int pos &＃61; StrPath.find_last_of(&＃39;\\&＃39;, StrPath.length()); StrPath&＃61;StrPath.substr(0, pos); return StrPath.substr(0, pos); // Return the directory without the file name
}//宽字节转多字节(wchar-char)
char* IniFileSTL::WcharToChar(const wchar_t* wp)
{locale old_loc &＃61; locale::global(locale(""));size_t len &＃61; wcslen(wp)*sizeof(wchar_t);size_t converted&＃61;0;char*CStr;CStr&＃61;(char*)malloc(len);wcstombs_s(&converted,CStr,len,wp,_TRUNCATE);locale::global(old_loc);return CStr;
}//多字节转宽字节&＃xff08;char-wchar&＃xff09;
wchar_t* IniFileSTL::CharToWchar(const char* cp)
{locale old_loc &＃61; locale::global(locale(""));size_t len &＃61; strlen(cp)*sizeof(char);size_t converted&＃61;0;wchar_t *WStr;WStr&＃61;(wchar_t*)malloc(2*len);mbstowcs_s(&converted,WStr,len,cp,_TRUNCATE);locale::global(old_loc);return WStr;
}bool IniFileSTL::ReadFile( void )
{ifstream in(m_fileName.c_str());bool bopen &＃61; in.is_open();string line;while( getline(in,line) ){m_vctLine.push_back(line);}return true;
}string IniFileSTL::ReadString( const string §ion, const string &key, const string &value )
{for( size_t i &＃61; 0;i }bool IniFileSTL::WriteString( const string §ion, const string &key, const string &value )
{for( size_t i &＃61; 0;i }bool IniFileSTL::RemoveSection( const string §ion )
{for( size_t i &＃61; 0;i }bool IniFileSTL::RemoveKey( const string §ion, const string &key )
{for( size_t i &＃61; 0;i }bool IniFileSTL::WriteFile( void )
{ofstream out(m_fileName.c_str());for( size_t i &＃61; 0; i }int IniFileSTL::ReadInt( const string §ion, const string &key, int value )
{string str &＃61; ReadString( section, key, "" );if( "" &＃61;&＃61; str ){return value;}istrstream in( str.c_str() );int ret &＃61; 0;in>>ret;return ret;
}bool IniFileSTL::WriteInt( const string §ion, const string &key, int value )
{ostrstream out;out<}string IniFileSTL::LTrim( const string &str )
{size_t pos &＃61; 0;while( pos !&＃61; str.size() ){if( &＃39; &＃39; &＃61;&＃61; str[pos] ){&＃43;&＃43;pos;}else{break;}}return str.substr(pos);
}string IniFileSTL::RTrim( const string &str )
{size_t pos &＃61; str.size() - 1;while( pos >&＃61; 0 ){if(&＃39; &＃39; &＃61;&＃61; str[pos]){--pos;}else{break;}}return str.substr( 0, pos &＃43; 1 );
}string IniFileSTL::Trim(const string &str)
{return LTrim( RTrim(str) );
}}


简单使用案例&＃xff1a;

string str;fish::IniFileSTL ini(fish::IniFileSTL::GetExeDir()&＃43;"\\cfglocal.ini");str&＃61;ini.ReadString("OccMarkShow","Showflag","0");

参考文件&＃xff1a;csdn下载资源