Scanner::Scanner(const std::string& filename, int type, bool md5 /* = false */)
: m_filename(filename), m_stream(nullptr), m_source(nullptr), m_len(0), m_pos(0),
m_state(Start), m_type(type), m_yyscanner(nullptr), m_token(nullptr),
m_loc(nullptr), m_lastToken(-1), m_isHHFile(0), m_lookaheadLtDepth(0),
m_listener(nullptr) {
#ifdef _MSC_VER
// I really don't know why this doesn't work properly with MSVC,
// but I know this fixes the problem, so use it instead.
std::ifstream ifs =
std::ifstream(m_filename, std::ifstream::in | std::ifstream::binary);
if (ifs.fail()) {
throw FileOpenException(m_filename);
}
std::stringstream ss;
ss << ifs.rdbuf();
m_stream = new std::istringstream(ss.str());
m_streamOwner = true;
#else
m_stream = new std::ifstream(m_filename);
m_streamOwner = true;
if (m_stream->fail()) {
delete m_stream; m_stream = nullptr;
throw FileOpenException(m_filename);
}
#endif
if (md5) computeMd5();
init();
}
Scanner::Scanner(std::istream &stream, int type,
const char *fileName /* = "" */,
bool md5 /* = false */)
: m_filename(fileName), m_source(nullptr), m_len(0), m_pos(0),
m_state(Start), m_type(type), m_yyscanner(nullptr), m_token(nullptr),
m_loc(nullptr), m_lastToken(-1), m_isStrictMode(0), m_lookaheadLtDepth(0) {
m_stream = &stream;
m_streamOwner = false;
if (md5) computeMd5();
init();
}
Scanner::Scanner(const char *filename, int type, bool md5 /* = false */)
: m_filename(filename), m_stream(nullptr), m_source(nullptr), m_len(0), m_pos(0),
m_state(Start), m_type(type), m_yyscanner(nullptr), m_token(nullptr),
m_loc(nullptr), m_lastToken(-1), m_isStrictMode(0), m_lookaheadLtDepth(0) {
m_stream = new std::ifstream(filename);
m_streamOwner = true;
if (m_stream->fail()) {
delete m_stream; m_stream = nullptr;
throw FileOpenException(filename);
}
if (md5) computeMd5();
init();
}
Scanner::Scanner(const char *source, int len, int type,
const char *fileName /* = "" */, bool md5 /* = false */)
: m_filename(fileName), m_stream(nullptr), m_source(source), m_len(len),
m_pos(0), m_state(Start), m_type(type), m_yyscanner(nullptr),
m_token(nullptr), m_loc(nullptr), m_lastToken(-1), m_isHHFile(0),
m_lookaheadLtDepth(0), m_listener(nullptr) {
assert(m_source);
m_streamOwner = false;
if (md5) {
m_stream = new std::istringstream(std::string(source, len));
m_streamOwner = true;
computeMd5();
}
init();
}
