strings.cpp

#pragma warning (disable:4786) 
#include <map>
#include <string>
using namespace std;
typedef map<string, int, less<string> > MapStringInt;
#include "strings.h"
struct Private_Data
{
	MapStringInt theMap;
	MapStringInt::iterator pos;

};
#define THE_MAP ( (*((Private_Data*)data)).theMap)
#define THE_POS ( (*((Private_Data*)data)).pos)
StringFinder::StringFinder()
{
	data = new Private_Data;
}

StringFinder::~StringFinder()
{
	delete (Private_Data*)data;
}

void StringFinder::clear()
{
	THE_MAP.clear();
}

void StringFinder::add(const char* str, int num)
{
	if (!str || !*str) { return; }
	typedef MapStringInt::value_type Entry;
	THE_MAP.insert(Entry(str, num));
}

void StringFinder::erase(const char* str)
{
	MapStringInt::iterator foundPos = THE_MAP.find(std::string(str));
	if (foundPos != THE_MAP.end())
	{
		THE_MAP.erase(foundPos);
	}
}

bool StringFinder::find(const char* str)
{
	if (!str || !*str) { return false; }

	MapStringInt::iterator foundPos = THE_MAP.find(std::string(str));

	if (foundPos == THE_MAP.end())
	{
		return false;
	}
	else
	{
		num = (*foundPos).second;
		return true;
	}
}

void StringFinder::it_start()
{
	THE_POS = THE_MAP.begin();
	num = THE_POS->second;
	str = THE_POS->first.c_str();
}

bool StringFinder::it_running()
{
	return (THE_POS != THE_MAP.end());
}

void StringFinder::it_next()
{
	++THE_POS;
	num = THE_POS->second;
	str = THE_POS->first.c_str();
}