#include "Utility.h"
#include <fstream>

unsigned long sa::ws::Utility::getFileSize(const std::string &filepath) throw(boost::filesystem::filesystem_error)
{
    boost::filesystem::path p(filepath, boost::filesystem::native);
    return boost::filesystem::file_size(p);
}

sa::ws::SharedCharArray_t sa::ws::Utility::loadFile(const std::string &filename) throw(boost::filesystem::filesystem_error)
{
    SharedCharArray_t buf;
    unsigned long size = getFileSize(filename);
    if (!size)
        return buf;

    std::ifstream is(filename.c_str(), std::ios::in | std::ios::binary);
    if (!is)
        return buf;

    char *buffer(NULL);
    buffer = new char[size];
    if (!buffer) {
        is.close();
        return buf;
    }

    is.read(buffer, size);
    if (is.fail()) {
        delete [] buffer;
        return buf;
    }

    is.close();
    buf.reset(buffer);
    return buf;
}