#include <iostream>
#include <fstream>
#include <string>
#include <unistd.h>
#include "PropertiesParser.h"
#include "PropertiesUtils.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

namespace cppproperties {

PropertiesParser::PropertiesParser() {
}

PropertiesParser::~PropertiesParser() {
}

//读取配置文件参数放入map                        // fpga.correctColor.BOffset = 119,119,119,119,119,119
//路径 ：/usr/local/huago/fpga.properties       //key                           //val
Properties PropertiesParser::Read(const std::string& file) {
    Properties properties;
    std::ifstream is;
    is.open(file.c_str());
    if (is.is_open()) {
		try {
        size_t linenr = 0;
        std::string line;
        while (getline(is, line)) {
            if (PropertiesUtils::IsEmptyLine(line) || PropertiesUtils::IsComment(line)) {
                // ignore it
            } else if (PropertiesUtils::IsProperty(line)) {
                std::pair<std::string, std::string> prop = PropertiesUtils::ParseProperty(line);
                properties.AddProperty(prop.first, prop.second); 
                // if(prop.first == "fpga.correctColor.BOffset")
                // printf("uuuuuuuuuuuuuuuuuuuu  %s\r\n",prop.second.c_str());
            } 
            ++linenr;
        }
        is.close();
    	} catch (...) {
       		// don't forget to close the ifstream
        	is.close();
   		}
    }
    return properties;
}
    
//写入配置文件
void PropertiesParser::Write(const std::string& file, const Properties& props) {
    std::ofstream os;
    os.open(file.c_str());
    if (!os.is_open()) {
        throw PropertiesException("PropertiesParser::Write(" + file + "): Unable to open file for writing.");
    }
    try {
        const std::vector<std::string>& keys = props.GetPropertyNames();
        for (std::vector<std::string>::const_iterator i = keys.begin();
            i != keys.end(); ++i) {
            os << *i << " = " << props.GetProperty(*i) << std::endl;
        }
        os.close();
    } catch (...) {
        // don't forget to close the ofstream
        os.close();
        throw;
    }
	int fd = open(file.c_str(), O_RDONLY);
	if (fd > 0)
	{
		fchmod(fd,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
		close(fd);
	}
	
	
}

} /* namespace cppproperties */