/*
 * Copyright (c) 2011, Peter Thorson. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the WebSocket++ Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

#include "wscmd.hpp"

#include <map>
#include <string>

wscmd::cmd wscmd::parse(const std::string& m) {
    cmd command;
    std::string::size_type start;
    std::string::size_type end;
    
    start = m.find(":",0);
    
    if (start != std::string::npos) {
        command.command = m.substr(0,start);
        
        start++; // skip the colon
        end = m.find(";",start);
        
        // find all semicolons
        while (end != std::string::npos) {
            std::string arg;
            std::string val;
            
            std::string::size_type sep = m.find("=",start);
            
            if (sep != std::string::npos) {
                arg = m.substr(start,sep-start);
                val = m.substr(sep+1,end-sep-1);
            } else {
                arg = m.substr(start,end-start);
                val = "";
            }
            
            command.args[arg] = val;
            
            start = end+1;
            end = m.find(";",start);
        }
    }
    
    return command;
}

bool wscmd::extract_string(wscmd::cmd command,const std::string& key,std::string& val) {
    if (command.args[key] != "") {
        val = command.args[key];
       return true;
    } else {
        return false;
    }
}
