#include "common/utils/SplitString.h"

SplitString::SplitString(const char* str) : entries(0) {
    for(uint i = 0; str[i] != '\0'; i++) {
        if(str[i] == '"') {
            if(i >= 1 && str[i - 1] != ' ') {
                return;
            }
            data.append('"');
            i++;
            while(str[i] != '"') {
                if(str[i] == '\0') {
                    return;
                }
                data.append(str[i++]);
            }
            if(str[i + 1] != '\0' && str[i + 1] != ' ') {
                return;
            }
            data.append('\0');
            continue;
        }
        data.append(str[i] == ' ' ? '\0' : str[i]);
    }
    uint last = 0;
    for(uint i = 0; i < data.getLength() + 1; i++) {
        if(data[i] != '\0' && data[i] != '"') {
            continue;
        }
        if(i - last > 0 || (i >= 1 && data[i - 1] == '"')) {
            starts[entries++] = last;
        }
        last = i + 1;
    }
}

uint SplitString::getLength() const {
    return entries;
}

const char* SplitString::operator[](uint index) const {
    return data + starts[index];
}