http1parser.cpp

#include "http1parser.h"
#include <iostream>
char *HTTP1_Parser::get_filename(const char *excutive_file)
{
    int length = strlen(excutive_file);
    static char buf[1024]={};
    readlink( "/proc/self/exe", buf, sizeof(buf)-1 );
    int buf_length = strlen(buf);
    for(int i = 0; i <= length; i++){
       buf[buf_length-i-1] = 0;
    }
    return buf;
}

std::string HTTP1_Parser::argv_path_analyzer(std::string request_path, const char *path, const char *executive_file) {
    std::string path_string;
    if(strcmp(path,"") == 0){
        if (request_path == std::string("/")) {
           path_string = std::string(HTTP1_Parser::get_filename(executive_file)) + std::string("/index.html");
        }
        else {
            int judge = request_path.rfind(".",20);
            if (judge >= 0 ) {
                path_string = std::string(HTTP1_Parser::get_filename(executive_file)) + request_path;
            } else {
                path_string = std::string(HTTP1_Parser::get_filename(executive_file)) + request_path + std::string("/index.html");
            }
        }
    }
    else {
         int judge = request_path.rfind(".",20);
            if (judge >= 0 ) {
                path_string = std::string(path) + request_path;
            } else {
                path_string = std::string(path) + request_path + std::string("/index.html");
            }

    }
    return path_string;
}

std::string HTTP1_Parser::get_requestline_path(char _pbuf[BUF_SIZE]) {
    int space_num = 0;
    char path_buffer[32];
    int current_point = 0;
    std::string path_string;
    for (int i = 0; i < BUF_SIZE; i++) {
        if(space_num == 2){
            path_buffer[current_point] = 0;
            path_string = std::string(path_buffer);
            return path_string;
        }
        if(space_num == 1){
            if(_pbuf[i] != ' '){
                path_buffer[current_point++] = _pbuf[i];
            }
        }
        if(_pbuf[i] == ' '){
            ++space_num;
        }
    }
    return "";
}