chaiscript字符串可以像lua一样拆分吗？

Question

我要把lua移植到chaiscript。原始的lua代码使用split

function string:split(delimiter)
    local result = { }
    local from  = 1
    local delim_from, delim_to = string.find( self, delimiter, from  )
    while delim_from do
        table.insert( result, string.sub( self, from , delim_from-1 ) )
        from  = delim_to + 1
        delim_from, delim_to = string.find( self, delimiter, from  )
    end
    table.insert( result, string.sub( self, from  ) )
    return result
end

但是我找不到chaiscript版本的split。chaiscript有split函数吗？

Answer 1

ChaiScript的string功能是C++、std::string中可用内容的直接映射。所以，没有内置的拆分功能。

Answer 2

你可以很容易地使用你自己的，就像这里找到的：Split a string in C++?

#include <string>
#include <sstream>
#include <vector>

void split(const std::string &s, char delim, std::vector<std::string> &elems) {
    std::stringstream ss;
    ss.str(s);
    std::string item;
    while (std::getline(ss, item, delim)) {
        elems.push_back(item);
    }
}


std::vector<std::string> split(const std::string &s, char delim) {
    std::vector<std::string> elems;
    split(s, delim, elems);
    return elems;
}