void QCharsetDetector::setDeclaredEncoding(const QString &encoding)
{
Q_D(QCharsetDetector);
clearError();
d->_declaredEncoding = encoding;
if (d->_declaredEncoding == QLatin1String("GB2312"))
d->_declaredEncoding = QLatin1String("GB18030");
ucsdet_setDeclaredEncoding(d->_uCharsetDetector,
d->_declaredEncoding.toLatin1().constData(),
int32_t(-1),
&(d->_status));
if(hasError())
qWarning() << __PRETTY_FUNCTION__ << errorString();
}
void c_EncodingDetector::t_setdeclaredencoding(const String& text) {
UErrorCode status = U_ZERO_ERROR;
m_declaredencoding = text;
ucsdet_setDeclaredEncoding(
m_encoding_detector,
m_declaredencoding.data(),
m_declaredencoding.length(),
&status);
if (U_FAILURE(status)) {
throw Exception(
"Could not set encoding detector declared encoding to [%s], error %d (%s)",
text.c_str(), status, u_errorName(status));
}
}
void c_EncodingDetector::t_setdeclaredencoding(CStrRef text) {
INSTANCE_METHOD_INJECTION_BUILTIN(EncodingDetector, EncodingDetector::setdeclaredencoding);
UErrorCode status = U_ZERO_ERROR;
ucsdet_setDeclaredEncoding(
m_encoding_detector,
text.data(),
text.length(),
&status);
if (U_FAILURE(status)) {
throw Exception(
"Could not set encoding detector declared encoding to [%s], error %d (%s)",
text.c_str(), status, u_errorName(status));
}
}
static void
set_declared_encoding(VALUE self, VALUE declared_encoding)
{
if (!NIL_P(declared_encoding)){
declared_encoding = StringValue(declared_encoding);
UErrorCode status = U_ZERO_ERROR;
UCharsetDetector *detector;
Data_Get_Struct(self, UCharsetDetector, detector);
ucsdet_setDeclaredEncoding(detector, StringValuePtr(declared_encoding), RSTRING_LEN(declared_encoding), &status);
ensure(status);
UCharsetDetector_set_declared_encoding(self, declared_encoding);
}
}
/*
* Attempt to detect the encoding of this string
*
* str - a String, what you want to detect the encoding of
* hint_enc - an optional String (like "UTF-8"), the encoding name which will
* be used as an additional hint to the charset detector
*
* Returns: a dict with encoding, language, type and confidence parameters
*/
PyObject *
charlockholmes_encoding_detect(PyObject *self, PyObject *args)
{
PyObject *content;
UErrorCode status = U_ZERO_ERROR;
const UCharsetMatch *match;
const char *mname;
const char *mlang;
const char *hint_enc = NULL;
int mconfidence;
if (!PyArg_ParseTuple(args, "S|s", &content, &hint_enc)) {
return NULL;
}
if (detect_binary_content(content)) {
return Py_BuildValue("{ss,si}", "type", "binary", "confidence", 100);
}
if (hint_enc != NULL) {
ucsdet_setDeclaredEncoding(ch_ucd, hint_enc, strlen(hint_enc), &status);
}
ucsdet_setText(ch_ucd, PyString_AsString(content), (int32_t)PyString_Size(content), &status);
match = ucsdet_detect(ch_ucd, &status);
if (match) {
mname = ucsdet_getName(match, &status);
mlang = ucsdet_getLanguage(match, &status);
mconfidence = ucsdet_getConfidence(match, &status);
if (mlang && mlang[0])
return Py_BuildValue("{ss,ss,si,ss}",
"type", "text",
"encoding", mname,
"confidence", mconfidence,
"language", mlang);
else
return Py_BuildValue("{ss,ss,si}",
"type", "text",
"encoding", mname,
"confidence", mconfidence);
}
Py_INCREF(Py_None);
return Py_None;
}
/*
* Attempt to detect the encoding of this string, and return
* a list with all the possible encodings that match it.
*
*
* str - a String, what you want to detect the encoding of
* hint_enc - an optional String (like "UTF-8"), the encoding name which will
* be used as an additional hint to the charset detector
*
* Returns: an list with zero or more dicts
* each one of them with with encoding, language, type and confidence
* parameters
*/
PyObject *
charlockholmes_encoding_detect_all(PyObject *self, PyObject *args)
{
PyObject *lst;
PyObject *content;
UErrorCode status = U_ZERO_ERROR;
const UCharsetMatch **matches;
const char *mname;
const char *mlang;
const char *hint_enc = NULL;
int mconfidence;
int i, match_count;
if (!PyArg_ParseTuple(args, "S|s", &content, &hint_enc)) {
return NULL;
}
if (detect_binary_content(content)) {
lst = PyList_New(1);
if (!lst)
return NULL;
content = Py_BuildValue("{ss,si}", "type", "binary", "confidence", 100);
PyList_SET_ITEM(lst, 0, content);
return lst;
}
if (hint_enc != NULL) {
ucsdet_setDeclaredEncoding(ch_ucd, hint_enc, strlen(hint_enc), &status);
}
ucsdet_setText(ch_ucd, PyString_AsString(content), (int32_t)PyString_Size(content), &status);
matches = ucsdet_detectAll(ch_ucd, &match_count, &status);
if (matches) {
lst = PyList_New(match_count);
if (!lst)
return NULL;
for (i = 0; i < match_count; ++i) {
mname = ucsdet_getName(matches[i], &status);
mlang = ucsdet_getLanguage(matches[i], &status);
mconfidence = ucsdet_getConfidence(matches[i], &status);
if (mlang && mlang[0])
content = Py_BuildValue("{ss,ss,si,ss}",
"type", "text",
"encoding", mname,
"confidence", mconfidence,
"language", mlang);
else
content = Py_BuildValue("{ss,ss,si}",
"type", "text",
"encoding", mname,
"confidence", mconfidence);
PyList_SET_ITEM(lst, i, content);
}
return lst;
}
Py_INCREF(Py_None);
return Py_None;
}
int main(int argc, char** argv)
{
UErrorCode e = U_ZERO_ERROR;
std::string filename = argc > 1 ? argv[1] : "main.hs";
std::ifstream file (filename, std::ios::in | std::ios::binary | std::ios::ate);
if (!file.is_open()) {
std::cerr << "I can't open that file. I hate you too." << std::endl;
return 1;
}
std::string raw;
raw.reserve(file.tellg());
file.seekg(0, std::ios::beg);
raw.assign((std::istreambuf_iterator<char>(file)),
std::istreambuf_iterator<char>());
file.close();
UCharsetDetector *ucd = ucsdet_open(&e);
ucsdet_setDeclaredEncoding(ucd, "UTF-8", -1, &e);
ucsdet_setText(ucd, raw.c_str(), raw.size(), &e);
const UCharsetMatch *ucm = ucsdet_detect(ucd, &e);
if (U_FAILURE(e))
{
std::cerr << "Charset detection error: " << u_errorName(e) << std::endl;
return e;
}
std::cout << "Charset detected: " << ucsdet_getName(ucm, &e) << " confidence: " << ucsdet_getConfidence(ucm, &e) << std::endl;
if (U_FAILURE(e))
{
std::cerr << "Charset detection error: " << u_errorName(e) << std::endl;
return e;
}
UChar *buf = new UChar[raw.size() + 1];
int out = ucsdet_getUChars(ucm, buf, raw.size(), &e);
if (U_FAILURE(e))
{
std::cerr << "Charset conversion error: " << u_errorName(e) << std::endl;
return e;
}
ucsdet_close(ucd);
buf[out] = 0;
icu::UnicodeString source(buf);
delete [] buf;
source.append("\n");
std::cout << "Read:" << std::endl << source << std::endl;
dhc::lexer::layout l(source);
while (!l.finished()) {
dhc::lexer::match_ptr token (l.next());
if (token) {
std::cout << token->flatten() << ' ';
} else {
std::cerr << filename << std::endl;
}
}
std::cout << std::endl;
dhc::parser::parser p(source);
std::cout << "Created parser" << std::endl;
if (!p.finished()) {
dhc::lexer::match_ptr token (p.parse());
if (token) {
print_tree(token, 0);
} else {
std::cerr << p.error(filename) << std::endl;
}
}
return 0;
}
