// trainStation.cpp : 定義控制臺應用程序的入口點。
//

#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <list>
#include <string>
#include <cmath>
#include <atlbase.h>
#include <atlapp.h>	// for CTempBuffer
#include <atlenc.h>
#include <atlconv.h>
using namespace std;
struct Station
{
	char* bStation;
	char* eStation;
	char* mStation;
	char* strLen;
	char* trainNum;
};

struct FileHeader
{
	char* strStation;
	int filePos;
	int rowsNum;
};
string Unicode2Utf8(const wchar_t* pcszToConvert)
{
	ATL::CTempBuffer<CHAR, _WTL_STACK_ALLOC_THRESHOLD>	buff;
	int	nLen = ::lstrlenW(pcszToConvert);
	if (! nLen)
		return string();

	int	nBuffSize = nLen * 3 + 1;	// 發現 * 2 + 1 buffer 大小可能不夠!
	CHAR*	szUnicodeReturn = buff.Allocate(nBuffSize);
	if (szUnicodeReturn != NULL)
	{
		// WideCharToMultiByte does not support UTF8 in Win98! ::WideCharToMultiByte(CP_UTF8, 0, iBf, nInLen, aBf, nInLen * 3 + 1, NULL, NULL);
		int	nCnt = ATL::AtlUnicodeToUTF8(pcszToConvert, nLen, szUnicodeReturn, nBuffSize);
		if (nCnt != 0)
		{
			return string(szUnicodeReturn, nCnt);
		}
	}

	return string();
}

void Acsii2Utf8(string& strUtf,const char* strChange)
{
	wchar_t* temp=new wchar_t;
	int charLen=::MultiByteToWideChar(CP_ACP,0,strChange,-1,NULL,0);
	::MultiByteToWideChar(CP_ACP,0,strChange,-1,temp,charLen);
	strUtf=Unicode2Utf8(temp);
}
void initStation( Station& fileRecords)
{
	fileRecords.bStation=new char;
	fileRecords.eStation=new char;
	fileRecords.mStation=new char;
	fileRecords.strLen=new char;
	fileRecords.trainNum=new char;
}

void initFileHeader(FileHeader& indexof)
{
	indexof.strStation=new char;
	indexof.rowsNum=0;
	indexof.filePos=0;
}

int countRowsNum(int posFile,int rowsNum)
{
	bool flgPos=true;
	bool flgNum=true;
	int posLen;
	int numLen;
	for(int e=1;e<100;e++)
	{
		if(flgPos==false&&flgNum==false)
		{
			break;
		}
		int intOperon=int(pow(10.0,e));
		if(flgPos)
		{
			if(posFile/intOperon==0)
			{
				flgPos=false;
				posLen=e;
			}
		}
		if(flgNum)
		{
			if(rowsNum/intOperon==0)
			{
				flgNum=false;
				numLen=e;
			}
		}
	}
	return numLen+posLen;
}


int _tmain(int argc, _TCHAR* argv[])
{
	list<Station> listStation;
	list<Station>::iterator next;
	/*char* name="周行行";
	wchar_t* outstr=new wchar_t;
	USES_CONVERSION; 
	outstr=A2W(name);*/
	list<FileHeader> listIndexof;
	list<FileHeader>::iterator indexofNext;
	int rowsNum=1;
	ifstream fileRead("f://a.txt",ios_base::in);
	int n=0;
	while(!fileRead.eof())
	{	
		n++;
		Station Records;
		initStation(Records);
		fileRead>>Records.bStation>>Records.eStation>>Records.mStation>>Records.strLen>>Records.trainNum;
		cout<<Records.bStation<<Records.eStation<<Records.mStation<<Records.strLen<<Records.trainNum<<endl;
		if(strcmp(Records.bStation," ")!=0)
		{
			listStation.push_back(Records);
		}
	}
	fileRead.close();
	FileHeader indexof;
	int fileLen=0;
	int indexofFileLen=0;
	for(next=listStation.begin();next!=listStation.end();next++)//算法
	{
		if(rowsNum==1)
		{
			initFileHeader(indexof);
			strcpy(indexof.strStation,next->eStation);
		}
		if(strcmp(indexof.strStation,next->eStation)==0)
		{
			indexof.rowsNum+=1;
			//indexof.filePos=fileLen;
		}
		else
		{
			

			int intLen=countRowsNum(indexof.filePos,indexof.rowsNum);
			indexofFileLen+=strlen(indexof.strStation)+intLen+4;
			listIndexof.push_back(indexof);
			initFileHeader(indexof);
			strcpy(indexof.strStation,next->eStation);
			indexof.rowsNum+=1;
			//indexof.filePos=(rowsNum-1)*(strlen(next->bStation)+strlen(next->eStation)+strlen(next->mStation)+strlen(next->strLen)+strlen(next->trainNum)+6);
			indexof.filePos=fileLen;
			

		}
		fileLen+=strlen(next->bStation)+strlen(next->eStation)+strlen(next->mStation)+strlen(next->strLen)+strlen(next->trainNum)+6;
		//cout<<fileLen<<endl;
		rowsNum++;

	}
	indexofFileLen+=strlen(indexof.strStation)+countRowsNum(indexof.filePos,indexof.rowsNum)+4;
	listIndexof.push_back(indexof);
	//cout<<fileLen;
	ofstream fileWrite("f://yes.txt",ios_base::out|ios_base::app);
	fileWrite<<indexofFileLen<<'\n';
	for(indexofNext=listIndexof.begin();indexofNext!=listIndexof.end();indexofNext++)
	{
		cout<<indexofNext->strStation<<" "<<indexofNext->filePos<<" "<<indexofNext->rowsNum<<endl;
		fileWrite<<indexofNext->strStation<<" "<<indexofNext->filePos<<" "<<indexofNext->rowsNum<<'\n';
	}
	for(next=listStation.begin();next!=listStation.end();next++)
	{
		fileWrite<<next->bStation<<" "<<next->eStation<<" "<<next->mStation<<" "<<next->strLen<<" "<<next->trainNum<<'\n';
	}
	fileWrite.close();
	cin.get();
	return 0;
}