conffile.h

股票分析系统

#ifndef CONFFILE
#define CONFFILE
#include <iostream>
#include <string>
#include <vector>
#include <fstream>
#include <sstream>

using namespace std ;

class ZConfSection
{
	
public:
	vector<string> Lines;
	
	friend ostream& operator<<(ostream& ostr,ZConfSection& zc)
	{
//		ostr <<"["<<zc.name<<"]"<<endl;
        	for (unsigned int i = 0; i<zc.Lines.size()-1; i++)  ostr << zc.Lines[i] << endl;
		ostr <<zc.Lines[zc.Lines.size()-1];
        	return ostr;
	}
	friend istream& operator>>(istream& istr,ZConfSection& zc)
	{
		string line;
		getline(istr,line);
		zc.Lines.push_back(line);
		return istr;	
	}
	void addLine(string s){Lines.push_back(s);}
	int find(string s)
	{
		string name;string value;
		
        	for (unsigned int i = 1; i<Lines.size()-1; i++)
		{
			unsigned int b=Lines[i].find_first_of("=",1);
			if(b!=string::npos)
			{
				name=getName(i);
				value=getValue(i);
				if(s==name)return(i);
			}
		}
		return(0);	
	}
	
	string getSectionName()
	{
		unsigned int b=Lines[0].find_first_of("[");
		unsigned int e=Lines[0].find_first_of("]");
		if(b==string::npos || e==string::npos || e<b+1)
			return("");
		return(Lines[0].substr(b+1,e-b-1));
		
	}	
	string getName(int i)
	{
		int b=Lines[i].find_first_of("=",1);
		return(Lines[i].substr(0,b));
	}

	string getValue(int i)
	{
		int b=Lines[i].find_first_of("=",1);
		return(Lines[i].substr(b+1,Lines[i].size()-b-1));
	}
	

 };

class ZConfFile
{
	string FileName;
	vector<ZConfSection> Sections;
public:
	ZConfFile(string FileName)
	{
		this->FileName=FileName;
		ifstream confFile(FileName.c_str());
		if (confFile.fail())
		{
			cout<<"Couldn't open file:"<<FileName<<endl;
			return;
		}
		string line;
		ZConfSection zchead;
		Sections.push_back(zchead);
		while(!confFile.eof())
		{
			
			
			getline(confFile,line);
			unsigned int b=line.find_first_of("[",0);
			unsigned int e=line.find_first_of("]",0);
			if((b!=string::npos) && (e!=string::npos) && e>(b+1) )
			{
				ZConfSection zc;
				Sections.push_back(zc);
				//line.substr(b+1,e-b-1));
			}
			Sections[Sections.size()-1].addLine(line);
			
//			cout<<line;
			//confFile >> sc;
					
		}
		
		confFile.close();
		
	}
	
	void write()
	{
		ofstream confFile(FileName.c_str());
		if (confFile.fail())
		{
			cout<<"Couldn't open file to Write:"<<FileName<<endl;
			return;
		}
		confFile << *this;
		
		
	}
	
	friend ostream& operator<<(ostream& ostr,ZConfFile& zc)
	{
		int size=zc.Sections.size();
		if(size==0)return(ostr);
		for(int i=0;i<size-1;i++)
		{
			ostr<<zc.Sections[i]<<endl;
			
		} 
		ostr<<zc.Sections[size-1];
		
        	return(ostr);
	}
	//void writeInt(string section,string line,int i);
	//void writeFloat(string section,string line,float f);
	//void writeString(string section,string line,string s);

        int readInt(string section,string line,int DefaultValue)
	{
		int s=findSection(section);
		if(s==0)return(DefaultValue);
//		cout<<"Section find success!" <<endl;
		int l=Sections[s].find(line);
		if(l==0)return(DefaultValue);
//		return(Sections[s].getValue(l).toInt());
		stringstream stream;
		stream<<Sections[s].getValue(l);
		int i;
		stream>>i;
		return(i);
		
	}
        float readFloat(string section,string line,float DefaultValue)
	{
		int s=findSection(section);
		if(s==0)return(DefaultValue);
		int l=Sections[s].find(line);
		if(l==0)return(DefaultValue);
//		return(Sections[s].getValue(l).toInt());
		stringstream stream;
		stream<<Sections[s].getValue(l);
		float f;
		stream>>f;
		return(f);
		
	}
        string readString(string section,string line,string DefaultValue)
 	{
		int s=findSection(section);
		if(s==0)return(DefaultValue);
		int l=Sections[s].find(line);
		if(l==0)return(DefaultValue);
		return(Sections[s].getValue(l));
		
	}
 

	//~ZConfFile();
	int findSection(string s)
	{
//		cout<<"to be find section:"<<s<<endl;
//		cout<<"Sections="<<Sections.size()<<endl;
		for( unsigned int i=1;i<Sections.size();i++)
		{
			if(s==Sections[i].getSectionName())
			{
//				cout<<"Section"<<i<<"="<<Sections[i].getSectionName()<<endl; 
				return(i);
			}
		}
		return(0);
		
	}
	
};

#endif