inifile.h

用socket++,zthread,occi开发的连数据库处理业务的网络中间件服务器程序

#ifndef _INIFILE_H__
#define _INIFILE_H__
#include <map>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <fstream>

using namespace std;

typedef map<string, string, less<string> > strMap;
typedef strMap::iterator strMapIt;

const char*const MIDDLESTRING = "_____***_______";

struct analyzeini{
	string strsect;
	strMap *pmap;
	analyzeini(strMap & strmap):pmap(&strmap){}	
	void operator()( const string & strini)
	{
		int first =strini.find('[');
		int last = strini.rfind(']');
		if( first != string::npos && last != string::npos && first != last+1)
		{
					strsect = strini.substr(first+1,last-first-1);
					return ;
		}
		if(strsect.empty())
				return ;
		if((first=strini.find('='))== string::npos)
			return ;
		string strtmp1= strini.substr(0,first);
		string strtmp2=strini.substr(first+1, string::npos);
		first= strtmp1.find_first_not_of(" \t");
		last = strtmp1.find_last_not_of(" \t");
		if(first == string::npos || last == string::npos)
			return ;
		string strkey = strtmp1.substr(first, last-first+1);
		first = strtmp2.find_first_not_of(" \t");
    if(((last = strtmp2.find("\t#", first )) != -1) ||
            ((last = strtmp2.find(" #", first )) != -1) ||
            ((last = strtmp2.find("\t//", first )) != -1)||
            ((last = strtmp2.find(" //", first )) != -1))
    {
            strtmp2 = strtmp2.substr(0, last-first);
    }
    last = strtmp2.find_last_not_of(" \t");
    if(first == string::npos || last == string::npos)
    	return ;
    string value = strtmp2.substr(first, last-first+1);
	string mapkey = strsect + MIDDLESTRING;
	mapkey += strkey;
    (*pmap)[mapkey]=value;
    return ;
	}
};

class IniFile
{
public:
    IniFile( ){};
    ~IniFile( ){};
    bool open(const char* pinipath)
	{
		return do_open(pinipath);
	}
    string read(const char*psect, const char*pkey)
	{
		string mapkey = psect;
		mapkey += MIDDLESTRING;
		mapkey += pkey;
		strMapIt it = c_inimap.find(mapkey);
		if(it == c_inimap.end())
			return "";
		else
			return it->second;
	}
protected:
    bool do_open(const char* pinipath)
	{
		ifstream fin(pinipath);
		if(!fin.is_open())
			 return false;
		vector<string> strvect;
		while(!fin.eof())
		{
			string inbuf;
			getline(fin, inbuf,'\n');
			strvect.push_back(inbuf);
		}
		if(strvect.empty())
			return false;
		for_each(strvect.begin(), strvect.end(), analyzeini(c_inimap));
		return !c_inimap.empty();		
	}
    strMap    c_inimap;
};

#endif