使用vector和strchr快速分割字符串

你的名字 2022-09-19 00:18 177阅读 0赞

#include <stdio.h>
    #include <tchar.h>
    #include <iostream>
    #include <vector>
    using namespace std;
    #include <string.h>
    #include <intsafe.h>
    
    template<typename CharType,typename EleType
    	,typename SpliteEleFunType,SpliteEleFunType SpliteEleFun
    	,EleType(__cdecl*ToEleFun)(const CharType*) >
    class spliteVectorImp:public std::vector<EleType>
    {
    public:
    	spliteVectorImp(const CharType* lpszData,const CharType c, size_t nMayMaxCount=100)
    	{
    		__super::reserve(nMayMaxCount);
    		for(CharType *str = (CharType*)lpszData;str && *str;)
    		{
    			if(*str != c)push_back(ToEleFun(str));
    			if(str = SpliteEleFun(str,c))++str;
    		}
    	}
    };
    typedef spliteVectorImp<char	,int,char*(__CRTDECL*)(char*,int),			::strchr,::atoi> spliteIntVectorA;
    typedef spliteVectorImp<wchar_t	,int,wchar_t*(__CRTDECL*)(wchar_t*,wchar_t),::wcschr,::_wtoi> spliteIntVectorW;
    #ifdef _UNICODE
    	typedef spliteIntVectorW spliteIntVector;
    #else
    	typedef spliteIntVectorA spliteIntVector;
    #endif
    int _tmain(int argc, _TCHAR* argv[])
    {
    	const TCHAR sz2[][26] = 
    	{
    		_T(""),_T("#"),_T("%"),
    		_T("123"),_T("123#"),_T("123#456"),_T("123#456#")
    		,_T("123#456#789"),_T("123#456#789##"),_T("###123#456#789##"),_T("###123#456+789##88")
    	};
    	for (int i(0);i<_countof(sz2);++i)
    	{
    		auto &sz = sz2[i];
    		wcout<<L"-----------["<<sz <<L"]-----------"<< endl;
    		spliteIntVector v(sz,_T('#'),100);
    		for (auto pos = v.begin(); pos!=v.end();++pos)
    		{
    			cout << (*pos) << endl;
    		}
    	}
    	return 0;
    }

![Image 1][]测试效果 ![SouthEast][]

[Image 1]: 
[SouthEast]: /images/20220828/3de6a1b8a38245049e4955b2672ec3c9.png