XmlConfig::XmlConfigData::XmlConfigData(const char *file) :
doc_(NULL), filename_(file) {
namespace fs = boost::filesystem;
std::string file_str;
#ifdef BOOST_FILESYSTEM_VERSION
#if BOOST_FILESYSTEM_VERSION == 3
fs::path path(file);
file_str = path.native();
#else
fs::path path(file, fs::no_check);
file_str = path.native_file_string();
#endif
#else
fs::path path(file, fs::no_check);
file_str = path.native_file_string();
#endif
if (!fs::exists(path)) {
std::stringstream stream;
stream << "can not read " << file_str;
throw std::runtime_error(stream.str());
}
doc_ = XmlDocHelper(xmlParseFile(file_str.c_str()));
XmlUtils::throwUnless(NULL != doc_.get());
if (NULL == xmlDocGetRootElement(doc_.get())) {
throw std::logic_error("got empty config");
}
XmlUtils::throwUnless(xmlXIncludeProcess(doc_.get()) >= 0);
findVariables(doc_);
}
XmlConfig::XmlConfig(const char *file)
: doc_(nullptr), regex_("\\$\\{([A-Za-z][A-Za-z0-9\\-]*)\\}") {
try {
std::ifstream f(file);
if (!f) {
throw std::runtime_error(std::string("can not open ").append(file));
}
setFilename(file);
doc_ = XmlDocHelper(xmlParseFile(file));
XmlUtils::throwUnless(nullptr != doc_.get());
if (nullptr == xmlDocGetRootElement(doc_.get())) {
throw std::logic_error("got empty config");
}
XmlUtils::throwUnless(xmlXIncludeProcess(doc_.get()) >= 0);
findVariables(doc_);
} catch (const std::ios::failure &e) {
throw std::runtime_error(std::string("can not read ").append(file));
}
}