/*
**********************************************************************
* Copyright (C) 2005-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*/
#include "unicode/utypes.h"
#include "unicode/ucsdet.h"
#include "unicode/ucnv.h"
#include "unicode/unistr.h"
#include "unicode/putil.h"
#include "unicode/uniset.h"
#include "intltest.h"
#include "csdetest.h"
#include "xmlparser.h"
#include <stdlib.h>
#include <string.h>
#ifdef DEBUG_DETECT
#include <stdio.h>
#endif
#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
#define NEW_ARRAY(type,count) (type *) /*uprv_*/malloc((count) * sizeof(type))
#define DELETE_ARRAY(array) /*uprv_*/free((void *) (array))
#define CH_SPACE 0x0020
#define CH_SLASH 0x002F
//---------------------------------------------------------------------------
//
// Test class boilerplate
//
//---------------------------------------------------------------------------
CharsetDetectionTest::CharsetDetectionTest()
{
}
CharsetDetectionTest::~CharsetDetectionTest()
{
}
void CharsetDetectionTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
if (exec) logln("TestSuite CharsetDetectionTest: ");
switch (index) {
case 0: name = "ConstructionTest";
if (exec) ConstructionTest();
break;
case 1: name = "UTF8Test";
if (exec) UTF8Test();
break;
case 2: name = "UTF16Test";
if (exec) UTF16Test();
break;
case 3: name = "C1BytesTest";
if (exec) C1BytesTest();
break;
case 4: name = "InputFilterTest";
if (exec) InputFilterTest();
break;
case 5: name = "DetectionTest";
if (exec) DetectionTest();
break;
#if !UCONFIG_NO_LEGACY_CONVERSION
case 6: name = "IBM424Test";
if (exec) IBM424Test();
break;
case 7: name = "IBM420Test";
if (exec) IBM420Test();
break;
#else
case 6:
case 7: name = "skip"; break;
#endif
case 8: name = "Ticket6394Test";
if (exec) Ticket6394Test();
break;
default: name = "";
break; //needed to end loop
}
}
static UnicodeString *split(const UnicodeString &src, UChar ch, int32_t &splits)
{
int32_t offset = -1;
splits = 1;
while((offset = src.indexOf(ch, offset + 1)) >= 0) {
splits += 1;
}
UnicodeString *result = new UnicodeString[splits];
int32_t start = 0;
int32_t split = 0;
int32_t end;
while((end = src.indexOf(ch, start)) >= 0) {
src.extractBetween(start, end, result[split++]);
start = end + 1;
}
src.extractBetween(start, src.length(), result[split]);
return result;
}
static char *extractBytes(const UnicodeString &source, const char *codepage, int32_t &length)
{
int32_t sLength = source.length();
char *bytes = NULL;
length = source.extract(0, sLength, NULL, codepage);
if (length > 0) {
bytes = NEW_ARRAY(char, length + 1);
source.extract(0, sLength, bytes, codepage);
}
return bytes;
}
static void freeBytes(char *bytes)
{
DELETE_ARRAY(bytes);
}
void CharsetDetectionTest::checkEncoding(const UnicodeString &testString, const UnicodeString &encoding, const UnicodeString &id)
{
int32_t splits = 0;
int32_t testLength = testString.length();
UnicodeString *eSplit = split(encoding, CH_SLASH, splits);
UErrorCode status = U_ZERO_ERROR;
int32_t cpLength = eSplit[0].length();
char codepage[64];
u_UCharsToChars(eSplit[0].getBuffer(), codepage, cpLength);
codepage[cpLength] = '\0';
LocalUCharsetDetectorPointer csd(ucsdet_open(&status));
int32_t byteLength = 0;
char *bytes = extractBytes(testString, codepage, byteLength);
if (bytes == NULL) {
#if !UCONFIG_NO_LEGACY_CONVERSION
dataerrln("Can't open a " + encoding + " converter for " + id);
#endif
return;
}
ucsdet_setText(csd.getAlias(), bytes, byteLength, &status);
int32_t matchCount = 0;
const UCharsetMatch **matches = ucsdet_detectAll(csd.getAlias(), &matchCount, &status);
UnicodeString name(ucsdet_getName(matches[0], &status));
UnicodeString lang(ucsdet_getLanguage(matches[0], &status));
UChar *decoded = NULL;
int32_t dLength = 0;
if (matchCount == 0) {
errln("Encoding detection failure for " + id + ": expected " + eSplit[0] + ", got no matches");
goto bail;
}
if (name.compare(eSplit[0]) != 0) {
errln("Encoding detection failure for " + id + ": expected " + eSplit[0] + ", got " + name);
#ifdef DEBUG_DETECT
for (int32_t m = 0; m < matchCount; m += 1) {
const char *name = ucsdet_getName(matches[m], &status);
const char *lang = ucsdet_getLanguage(matches[m], &status);
int32_t confidence = ucsdet_getConfidence(matches[m], &status);
printf("%s (%s) %d\n", name, lang, confidence);
}
#endif
goto bail;
}
if (splits > 1 && lang.compare(eSplit[1]) != 0) {
errln("Language detection failure for " + id + ", " + eSplit[0] + ": expected " + eSplit[1] + ", got " + lang);
goto bail;
}
decoded = NEW_ARRAY(UChar, testLength);
dLength = ucsdet_getUChars(matches[0], decoded, testLength, &status);
if (testString.compare(decoded, dLength) != 0) {
errln("Round-trip error for " + id + ", " + eSplit[0] + ": getUChars() didn't yeild the original string.");
#ifdef DEBUG_DETECT
for(int32_t i = 0; i < testLength; i += 1) {
if(testString[i] != decoded[i]) {
printf("Strings differ at byte %d\n", i);
break;
}
}
#endif
}
DELETE_ARRAY(decoded);
bail:
freeBytes(bytes);
delete[] eSplit;
}
const char *CharsetDetectionTest::getPath(char buffer[2048], const char *filename) {
UErrorCode status = U_ZERO_ERROR;
const char *testDataDirectory = IntlTest::getSourceTestData(status);
if (U_FAILURE(status)) {
errln("ERROR: getPath() failed - %s", u_errorName(status));
return NULL;
}
strcpy(buffer, testDataDirectory);
strcat(buffer, filename);
return buffer;
}
void CharsetDetectionTest::ConstructionTest()
{
IcuTestErrorCode status(*this, "ConstructionTest");
LocalUCharsetDetectorPointer csd(ucsdet_open(status));
LocalUEnumerationPointer e(ucsdet_getAllDetectableCharsets(csd.getAlias(), status));
int32_t count = uenum_count(e.getAlias(), status);
#ifdef DEBUG_DETECT
printf("There are %d recognizers.\n", count);
#endif
for(int32_t i = 0; i < count; i += 1) {
int32_t length;
const char *name = uenum_next(e.getAlias(), &length, status);
if(name == NULL || length <= 0) {
errln("ucsdet_getAllDetectableCharsets() returned a null or empty name!");
}
#ifdef DEBUG_DETECT
printf("%s\n", name);
#endif
}
}
void CharsetDetectionTest::UTF8Test()
{
UErrorCode status = U_ZERO_ERROR;
UnicodeString ss = "This is a string with some non-ascii characters that will "
"be converted to UTF-8, then shoved through the detection process. "
"\\u0391\\u0392\\u0393\\u0394\\u0395"
"Sure would be nice if our source could contain Unicode directly!";
UnicodeString s = ss.unescape();
int32_t byteLength = 0, sLength = s.length();
char *bytes = extractBytes(s, "UTF-8", byteLength);
UCharsetDetector *csd = ucsdet_open(&status);
const UCharsetMatch *match;
UChar *detected = NEW_ARRAY(UChar, sLength);
ucsdet_setText(csd, bytes, byteLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Detection failure for UTF-8: got no matches.");
goto bail;
}
ucsdet_getUChars(match, detected, sLength, &status);
if (s.compare(detected, sLength) != 0) {
errln("Round-trip test failed!");
}
ucsdet_setDeclaredEncoding(csd, "UTF-8", 5, &status); /* for coverage */
bail:
DELETE_ARRAY(detected);
freeBytes(bytes);
ucsdet_close(csd);
}
void CharsetDetectionTest::UTF16Test()
{
UErrorCode status = U_ZERO_ERROR;
/* Notice the BOM on the start of this string */
UChar chars[] = {
0xFEFF, 0x0623, 0x0648, 0x0631, 0x0648, 0x0628, 0x0627, 0x002C,
0x0020, 0x0628, 0x0631, 0x0645, 0x062c, 0x064a, 0x0627, 0x062a,
0x0020, 0x0627, 0x0644, 0x062d, 0x0627, 0x0633, 0x0648, 0x0628,
0x0020, 0x002b, 0x0020, 0x0627, 0x0646, 0x062a, 0x0631, 0x0646,
0x064a, 0x062a, 0x0000};
UnicodeString s(chars);
int32_t beLength = 0, leLength = 0;
char *beBytes = extractBytes(s, "UTF-16BE", beLength);
char *leBytes = extractBytes(s, "UTF-16LE", leLength);
UCharsetDetector *csd = ucsdet_open(&status);
const UCharsetMatch *match;
const char *name;
int32_t conf;
ucsdet_setText(csd, beBytes, beLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Encoding detection failure for UTF-16BE: got no matches.");
goto try_le;
}
name = ucsdet_getName(match, &status);
conf = ucsdet_getConfidence(match, &status);
if (strcmp(name, "UTF-16BE") != 0) {
errln("Encoding detection failure for UTF-16BE: got %s", name);
goto try_le; // no point in looking at confidence if we got the wrong character set.
}
if (conf != 100) {
errln("Did not get 100%% confidence for UTF-16BE: got %d", conf);
}
try_le:
ucsdet_setText(csd, leBytes, leLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Encoding detection failure for UTF-16LE: got no matches.");
goto bail;
}
name = ucsdet_getName(match, &status);
conf = ucsdet_getConfidence(match, &status);
if (strcmp(name, "UTF-16LE") != 0) {
errln("Enconding detection failure for UTF-16LE: got %s", name);
goto bail; // no point in looking at confidence if we got the wrong character set.
}
if (conf != 100) {
errln("Did not get 100%% confidence for UTF-16LE: got %d", conf);
}
bail:
freeBytes(leBytes);
freeBytes(beBytes);
ucsdet_close(csd);
}
void CharsetDetectionTest::InputFilterTest()
{
UErrorCode status = U_ZERO_ERROR;
UnicodeString ss = "<a> <lot> <of> <English> <inside> <the> <markup> Un tr\\u00E8s petit peu de Fran\\u00E7ais. <to> <confuse> <the> <detector>";
UnicodeString s = ss.unescape();
int32_t byteLength = 0;
char *bytes = extractBytes(s, "ISO-8859-1", byteLength);
UCharsetDetector *csd = ucsdet_open(&status);
const UCharsetMatch *match;
const char *lang, *name;
ucsdet_enableInputFilter(csd, TRUE);
if (!ucsdet_isInputFilterEnabled(csd)) {
errln("ucsdet_enableInputFilter(csd, TRUE) did not enable input filter!");
}
ucsdet_setText(csd, bytes, byteLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Turning on the input filter resulted in no matches.");
goto turn_off;
}
name = ucsdet_getName(match, &status);
if (name == NULL || strcmp(name, "ISO-8859-1") != 0) {
errln("Turning on the input filter resulted in %s rather than ISO-8859-1.", name);
} else {
lang = ucsdet_getLanguage(match, &status);
if (lang == NULL || strcmp(lang, "fr") != 0) {
errln("Input filter did not strip markup!");
}
}
turn_off:
ucsdet_enableInputFilter(csd, FALSE);
ucsdet_setText(csd, bytes, byteLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Turning off the input filter resulted in no matches.");
goto bail;
}
name = ucsdet_getName(match, &status);
if (name == NULL || strcmp(name, "ISO-8859-1") != 0) {
errln("Turning off the input filter resulted in %s rather than ISO-8859-1.", name);
} else {
lang = ucsdet_getLanguage(match, &status);
if (lang == NULL || strcmp(lang, "en") != 0) {
errln("Unfiltered input did not detect as English!");
}
}
bail:
freeBytes(bytes);
ucsdet_close(csd);
}
void CharsetDetectionTest::C1BytesTest()
{
#if !UCONFIG_NO_LEGACY_CONVERSION
UErrorCode status = U_ZERO_ERROR;
UnicodeString sISO = "This is a small sample of some English text. Just enough to be sure that it detects correctly.";
UnicodeString ssWindows("This is another small sample of some English text. Just enough to be sure that it detects correctly. It also includes some \\u201CC1\\u201D bytes.", -1, US_INV);
UnicodeString sWindows = ssWindows.unescape();
int32_t lISO = 0, lWindows = 0;
char *bISO = extractBytes(sISO, "ISO-8859-1", lISO);
char *bWindows = extractBytes(sWindows, "windows-1252", lWindows);
UCharsetDetector *csd = ucsdet_open(&status);
const UCharsetMatch *match;
const char *name;
ucsdet_setText(csd, bWindows, lWindows, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errcheckln(status, "English test with C1 bytes got no matches. - %s", u_errorName(status));
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "windows-1252") != 0) {
errln("English text with C1 bytes does not detect as windows-1252, but as %s", name);
}
ucsdet_setText(csd, bISO, lISO, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("English text without C1 bytes got no matches.");
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "ISO-8859-1") != 0) {
errln("English text without C1 bytes does not detect as ISO-8859-1, but as %s", name);
}
bail:
freeBytes(bWindows);
freeBytes(bISO);
ucsdet_close(csd);
#endif
}
void CharsetDetectionTest::DetectionTest()
{
#if !UCONFIG_NO_REGULAR_EXPRESSIONS
UErrorCode status = U_ZERO_ERROR;
char path[2048];
const char *testFilePath = getPath(path, "csdetest.xml");
if (testFilePath == NULL) {
return; /* Couldn't get path: error message already output. */
}
UXMLParser *parser = UXMLParser::createParser(status);
if (U_FAILURE(status)) {
dataerrln("FAIL: UXMLParser::createParser (%s)", u_errorName(status));
return;
}
UXMLElement *root = parser->parseFile(testFilePath, status);
if (!assertSuccess( "parseFile",status)) return;
UnicodeString test_case = UNICODE_STRING_SIMPLE("test-case");
UnicodeString id_attr = UNICODE_STRING_SIMPLE("id");
UnicodeString enc_attr = UNICODE_STRING_SIMPLE("encodings");
const UXMLElement *testCase;
int32_t tc = 0;
while((testCase = root->nextChildElement(tc)) != NULL) {
if (testCase->getTagName().compare(test_case) == 0) {
const UnicodeString *id = testCase->getAttribute(id_attr);
const UnicodeString *encodings = testCase->getAttribute(enc_attr);
const UnicodeString text = testCase->getText(TRUE);
int32_t encodingCount;
UnicodeString *encodingList = split(*encodings, CH_SPACE, encodingCount);
for(int32_t e = 0; e < encodingCount; e += 1) {
checkEncoding(text, encodingList[e], *id);
}
delete[] encodingList;
}
}
delete root;
delete parser;
#endif
}
void CharsetDetectionTest::IBM424Test()
{
UErrorCode status = U_ZERO_ERROR;
static const UChar chars[] = {
0x05D4, 0x05E4, 0x05E8, 0x05E7, 0x05DC, 0x05D9, 0x05D8, 0x0020, 0x05D4, 0x05E6, 0x05D1, 0x05D0, 0x05D9, 0x0020, 0x05D4, 0x05E8,
0x05D0, 0x05E9, 0x05D9, 0x002C, 0x0020, 0x05EA, 0x05EA, 0x0020, 0x05D0, 0x05DC, 0x05D5, 0x05E3, 0x0020, 0x05D0, 0x05D1, 0x05D9,
0x05D7, 0x05D9, 0x0020, 0x05DE, 0x05E0, 0x05D3, 0x05DC, 0x05D1, 0x05DC, 0x05D9, 0x05D8, 0x002C, 0x0020, 0x05D4, 0x05D5, 0x05E8,
0x05D4, 0x0020, 0x05E2, 0x05DC, 0x0020, 0x05E4, 0x05EA, 0x05D9, 0x05D7, 0x05EA, 0x0020, 0x05D7, 0x05E7, 0x05D9, 0x05E8, 0x05EA,
0x0020, 0x05DE, 0x05E6, 0x0022, 0x05D7, 0x0020, 0x05D1, 0x05E2, 0x05E7, 0x05D1, 0x05D5, 0x05EA, 0x0020, 0x05E2, 0x05D3, 0x05D5,
0x05D9, 0x05D5, 0x05EA, 0x0020, 0x05D7, 0x05D9, 0x05D9, 0x05DC, 0x05D9, 0x0020, 0x05E6, 0x05D4, 0x0022, 0x05DC, 0x0020, 0x05DE,
0x05DE, 0x05D1, 0x05E6, 0x05E2, 0x0020, 0x05E2, 0x05D5, 0x05E4, 0x05E8, 0x05EA, 0x0020, 0x05D9, 0x05E6, 0x05D5, 0x05E7, 0x05D4,
0x0020, 0x05D1, 0x002B, 0x0020, 0x05E8, 0x05E6, 0x05D5, 0x05E2, 0x05EA, 0x0020, 0x05E2, 0x05D6, 0x05D4, 0x002E, 0x0020, 0x05DC,
0x05D3, 0x05D1, 0x05E8, 0x05D9, 0x0020, 0x05D4, 0x05E4, 0x05E6, 0x0022, 0x05E8, 0x002C, 0x0020, 0x05DE, 0x05D4, 0x05E2, 0x05D3,
0x05D5, 0x05D9, 0x05D5, 0x05EA, 0x0020, 0x05E2, 0x05D5, 0x05DC, 0x05D4, 0x0020, 0x05EA, 0x05DE, 0x05D5, 0x05E0, 0x05D4, 0x0020,
0x05E9, 0x05DC, 0x0020, 0x0022, 0x05D4, 0x05EA, 0x05E0, 0x05D4, 0x05D2, 0x05D5, 0x05EA, 0x0020, 0x05E4, 0x05E1, 0x05D5, 0x05DC,
0x05D4, 0x0020, 0x05DC, 0x05DB, 0x05D0, 0x05D5, 0x05E8, 0x05D4, 0x0020, 0x05E9, 0x05DC, 0x0020, 0x05D7, 0x05D9, 0x05D9, 0x05DC,
0x05D9, 0x05DD, 0x0020, 0x05D1, 0x05DE, 0x05D4, 0x05DC, 0x05DA, 0x0020, 0x05DE, 0x05D1, 0x05E6, 0x05E2, 0x0020, 0x05E2, 0x05D5,
0x05E4, 0x05E8, 0x05EA, 0x0020, 0x05D9, 0x05E6, 0x05D5, 0x05E7, 0x05D4, 0x0022, 0x002E, 0x0020, 0x05DE, 0x05E0, 0x05D3, 0x05DC,
0x05D1, 0x05DC, 0x05D9, 0x05D8, 0x0020, 0x05E7, 0x05D9, 0x05D1, 0x05DC, 0x0020, 0x05D0, 0x05EA, 0x0020, 0x05D4, 0x05D7, 0x05DC,
0x05D8, 0x05EA, 0x05D5, 0x0020, 0x05DC, 0x05D0, 0x05D7, 0x05E8, 0x0020, 0x05E9, 0x05E2, 0x05D9, 0x05D9, 0x05DF, 0x0020, 0x05D1,
0x05EA, 0x05DE, 0x05DC, 0x05D9, 0x05DC, 0x0020, 0x05D4, 0x05E2, 0x05D3, 0x05D5, 0x05D9, 0x05D5, 0x05EA, 0x0000
};
static const UChar chars_reverse[] = {
0x05EA, 0x05D5, 0x05D9, 0x05D5, 0x05D3, 0x05E2, 0x05D4, 0x0020, 0x05DC, 0x05D9, 0x05DC, 0x05DE, 0x05EA,
0x05D1, 0x0020, 0x05DF, 0x05D9, 0x05D9, 0x05E2, 0x05E9, 0x0020, 0x05E8, 0x05D7, 0x05D0, 0x05DC, 0x0020, 0x05D5, 0x05EA, 0x05D8,
0x05DC, 0x05D7, 0x05D4, 0x0020, 0x05EA, 0x05D0, 0x0020, 0x05DC, 0x05D1, 0x05D9, 0x05E7, 0x0020, 0x05D8, 0x05D9, 0x05DC, 0x05D1,
0x05DC, 0x05D3, 0x05E0, 0x05DE, 0x0020, 0x002E, 0x0022, 0x05D4, 0x05E7, 0x05D5, 0x05E6, 0x05D9, 0x0020, 0x05EA, 0x05E8, 0x05E4,
0x05D5, 0x05E2, 0x0020, 0x05E2, 0x05E6, 0x05D1, 0x05DE, 0x0020, 0x05DA, 0x05DC, 0x05D4, 0x05DE, 0x05D1, 0x0020, 0x05DD, 0x05D9,
0x05DC, 0x05D9, 0x05D9, 0x05D7, 0x0020, 0x05DC, 0x05E9, 0x0020, 0x05D4, 0x05E8, 0x05D5, 0x05D0, 0x05DB, 0x05DC, 0x0020, 0x05D4,
0x05DC, 0x05D5, 0x05E1, 0x05E4, 0x0020, 0x05EA, 0x05D5, 0x05D2, 0x05D4, 0x05E0, 0x05EA, 0x05D4, 0x0022, 0x0020, 0x05DC, 0x05E9,
0x0020, 0x05D4, 0x05E0, 0x05D5, 0x05DE, 0x05EA, 0x0020, 0x05D4, 0x05DC, 0x05D5, 0x05E2, 0x0020, 0x05EA, 0x05D5, 0x05D9, 0x05D5,
0x05D3, 0x05E2, 0x05D4, 0x05DE, 0x0020, 0x002C, 0x05E8, 0x0022, 0x05E6, 0x05E4, 0x05D4, 0x0020, 0x05D9, 0x05E8, 0x05D1, 0x05D3,
0x05DC, 0x0020, 0x002E, 0x05D4, 0x05D6, 0x05E2, 0x0020, 0x05EA, 0x05E2, 0x05D5, 0x05E6, 0x05E8, 0x0020, 0x002B, 0x05D1, 0x0020,
0x05D4, 0x05E7, 0x05D5, 0x05E6, 0x05D9, 0x0020, 0x05EA, 0x05E8, 0x05E4, 0x05D5, 0x05E2, 0x0020, 0x05E2, 0x05E6, 0x05D1, 0x05DE,
0x05DE, 0x0020, 0x05DC, 0x0022, 0x05D4, 0x05E6, 0x0020, 0x05D9, 0x05DC, 0x05D9, 0x05D9, 0x05D7, 0x0020, 0x05EA, 0x05D5, 0x05D9,
0x05D5, 0x05D3, 0x05E2, 0x0020, 0x05EA, 0x05D5, 0x05D1, 0x05E7, 0x05E2, 0x05D1, 0x0020, 0x05D7, 0x0022, 0x05E6, 0x05DE, 0x0020,
0x05EA, 0x05E8, 0x05D9, 0x05E7, 0x05D7, 0x0020, 0x05EA, 0x05D7, 0x05D9, 0x05EA, 0x05E4, 0x0020, 0x05DC, 0x05E2, 0x0020, 0x05D4,
0x05E8, 0x05D5, 0x05D4, 0x0020, 0x002C, 0x05D8, 0x05D9, 0x05DC, 0x05D1, 0x05DC, 0x05D3, 0x05E0, 0x05DE, 0x0020, 0x05D9, 0x05D7,
0x05D9, 0x05D1, 0x05D0, 0x0020, 0x05E3, 0x05D5, 0x05DC, 0x05D0, 0x0020, 0x05EA, 0x05EA, 0x0020, 0x002C, 0x05D9, 0x05E9, 0x05D0,
0x05E8, 0x05D4, 0x0020, 0x05D9, 0x05D0, 0x05D1, 0x05E6, 0x05D4, 0x0020, 0x05D8, 0x05D9, 0x05DC, 0x05E7, 0x05E8, 0x05E4, 0x05D4,
0x0000
};
int32_t bLength = 0, brLength = 0;
UnicodeString s1(chars);
UnicodeString s2(chars_reverse);
char *bytes = extractBytes(s1, "IBM424", bLength);
char *bytes_r = extractBytes(s2, "IBM424", brLength);
UCharsetDetector *csd = ucsdet_open(&status);
if (U_FAILURE(status)) {
errln("Error opening charset detector. - %s", u_errorName(status));
}
const UCharsetMatch *match;
const char *name;
ucsdet_setText(csd, bytes, bLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errcheckln(status, "Encoding detection failure for IBM424_rtl: got no matches. - %s", u_errorName(status));
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "IBM424_rtl") != 0) {
errln("Encoding detection failure for IBM424_rtl: got %s", name);
}
ucsdet_setText(csd, bytes_r, brLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Encoding detection failure for IBM424_ltr: got no matches.");
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "IBM424_ltr") != 0) {
errln("Encoding detection failure for IBM424_ltr: got %s", name);
}
bail:
freeBytes(bytes);
freeBytes(bytes_r);
ucsdet_close(csd);
}
void CharsetDetectionTest::IBM420Test()
{
UErrorCode status = U_ZERO_ERROR;
static const UChar chars[] = {
0x0648, 0x064F, 0x0636, 0x0639, 0x062A, 0x0020, 0x0648, 0x0646, 0x064F, 0x0641, 0x0630, 0x062A, 0x0020, 0x0628, 0x0631, 0x0627,
0x0645, 0x062C, 0x0020, 0x062A, 0x0623, 0x0645, 0x064A, 0x0646, 0x0020, 0x0639, 0x062F, 0x064A, 0x062F, 0x0629, 0x0020, 0x0641,
0x064A, 0x0020, 0x0645, 0x0624, 0x0633, 0x0633, 0x0629, 0x0020, 0x0627, 0x0644, 0x062A, 0x0623, 0x0645, 0x064A, 0x0646, 0x0020,
0x0627, 0x0644, 0x0648, 0x0637, 0x0646, 0x064A, 0x002C, 0x0020, 0x0645, 0x0639, 0x0020, 0x0645, 0x0644, 0x0627, 0x0626, 0x0645,
0x062A, 0x0647, 0x0627, 0x0020, 0x062F, 0x0627, 0x0626, 0x0645, 0x0627, 0x064B, 0x0020, 0x0644, 0x0644, 0x0627, 0x062D, 0x062A,
0x064A, 0x0627, 0x062C, 0x0627, 0x062A, 0x0020, 0x0627, 0x0644, 0x0645, 0x062A, 0x063A, 0x064A, 0x0631, 0x0629, 0x0020, 0x0644,
0x0644, 0x0645, 0x062C, 0x062A, 0x0645, 0x0639, 0x0020, 0x0648, 0x0644, 0x0644, 0x062F, 0x0648, 0x0644, 0x0629, 0x002E, 0x0020,
0x062A, 0x0648, 0x0633, 0x0639, 0x062A, 0x0020, 0x0648, 0x062A, 0x0637, 0x0648, 0x0631, 0x062A, 0x0020, 0x0627, 0x0644, 0x0645,
0x0624, 0x0633, 0x0633, 0x0629, 0x0020, 0x0628, 0x0647, 0x062F, 0x0641, 0x0020, 0x0636, 0x0645, 0x0627, 0x0646, 0x0020, 0x0634,
0x0628, 0x0643, 0x0629, 0x0020, 0x0623, 0x0645, 0x0627, 0x0646, 0x0020, 0x0644, 0x0633, 0x0643, 0x0627, 0x0646, 0x0020, 0x062F,
0x0648, 0x0644, 0x0629, 0x0020, 0x0627, 0x0633, 0x0631, 0x0627, 0x0626, 0x064A, 0x0644, 0x0020, 0x0628, 0x0648, 0x062C, 0x0647,
0x0020, 0x0627, 0x0644, 0x0645, 0x062E, 0x0627, 0x0637, 0x0631, 0x0020, 0x0627, 0x0644, 0x0627, 0x0642, 0x062A, 0x0635, 0x0627,
0x062F, 0x064A, 0x0629, 0x0020, 0x0648, 0x0627, 0x0644, 0x0627, 0x062C, 0x062A, 0x0645, 0x0627, 0x0639, 0x064A, 0x0629, 0x002E,
0x0000
};
static const UChar chars_reverse[] = {
0x002E, 0x0629, 0x064A, 0x0639, 0x0627, 0x0645, 0x062A, 0x062C, 0x0627, 0x0644, 0x0627, 0x0648, 0x0020, 0x0629, 0x064A, 0x062F,
0x0627, 0x0635, 0x062A, 0x0642, 0x0627, 0x0644, 0x0627, 0x0020, 0x0631, 0x0637, 0x0627, 0x062E, 0x0645, 0x0644, 0x0627, 0x0020,
0x0647, 0x062C, 0x0648, 0x0628, 0x0020, 0x0644, 0x064A, 0x0626, 0x0627, 0x0631, 0x0633, 0x0627, 0x0020, 0x0629, 0x0644, 0x0648,
0x062F, 0x0020, 0x0646, 0x0627, 0x0643, 0x0633, 0x0644, 0x0020, 0x0646, 0x0627, 0x0645, 0x0623, 0x0020, 0x0629, 0x0643, 0x0628,
0x0634, 0x0020, 0x0646, 0x0627, 0x0645, 0x0636, 0x0020, 0x0641, 0x062F, 0x0647, 0x0628, 0x0020, 0x0629, 0x0633, 0x0633, 0x0624,
0x0645, 0x0644, 0x0627, 0x0020, 0x062A, 0x0631, 0x0648, 0x0637, 0x062A, 0x0648, 0x0020, 0x062A, 0x0639, 0x0633, 0x0648, 0x062A,
0x0020, 0x002E, 0x0629, 0x0644, 0x0648, 0x062F, 0x0644, 0x0644, 0x0648, 0x0020, 0x0639, 0x0645, 0x062A, 0x062C, 0x0645, 0x0644,
0x0644, 0x0020, 0x0629, 0x0631, 0x064A, 0x063A, 0x062A, 0x0645, 0x0644, 0x0627, 0x0020, 0x062A, 0x0627, 0x062C, 0x0627, 0x064A,
0x062A, 0x062D, 0x0627, 0x0644, 0x0644, 0x0020, 0x064B, 0x0627, 0x0645, 0x0626, 0x0627, 0x062F, 0x0020, 0x0627, 0x0647, 0x062A,
0x0645, 0x0626, 0x0627, 0x0644, 0x0645, 0x0020, 0x0639, 0x0645, 0x0020, 0x002C, 0x064A, 0x0646, 0x0637, 0x0648, 0x0644, 0x0627,
0x0020, 0x0646, 0x064A, 0x0645, 0x0623, 0x062A, 0x0644, 0x0627, 0x0020, 0x0629, 0x0633, 0x0633, 0x0624, 0x0645, 0x0020, 0x064A,
0x0641, 0x0020, 0x0629, 0x062F, 0x064A, 0x062F, 0x0639, 0x0020, 0x0646, 0x064A, 0x0645, 0x0623, 0x062A, 0x0020, 0x062C, 0x0645,
0x0627, 0x0631, 0x0628, 0x0020, 0x062A, 0x0630, 0x0641, 0x064F, 0x0646, 0x0648, 0x0020, 0x062A, 0x0639, 0x0636, 0x064F, 0x0648,
0x0000,
};
int32_t bLength = 0, brLength = 0;
UnicodeString s1(chars);
UnicodeString s2(chars_reverse);
char *bytes = extractBytes(s1, "IBM420", bLength);
char *bytes_r = extractBytes(s2, "IBM420", brLength);
UCharsetDetector *csd = ucsdet_open(&status);
if (U_FAILURE(status)) {
errln("Error opening charset detector. - %s", u_errorName(status));
}
const UCharsetMatch *match;
const char *name;
ucsdet_setText(csd, bytes, bLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errcheckln(status, "Encoding detection failure for IBM420_rtl: got no matches. - %s", u_errorName(status));
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "IBM420_rtl") != 0) {
errln("Encoding detection failure for IBM420_rtl: got %s\n", name);
}
ucsdet_setText(csd, bytes_r, brLength, &status);
match = ucsdet_detect(csd, &status);
if (match == NULL) {
errln("Encoding detection failure for IBM420_ltr: got no matches.\n");
goto bail;
}
name = ucsdet_getName(match, &status);
if (strcmp(name, "IBM420_ltr") != 0) {
errln("Encoding detection failure for IBM420_ltr: got %s\n", name);
}
bail:
freeBytes(bytes);
freeBytes(bytes_r);
ucsdet_close(csd);
}
void CharsetDetectionTest::Ticket6394Test() {
#if !UCONFIG_NO_CONVERSION
const char charText[] = "Here is some random English text that should be detected as ISO-8859-1."
"Ticket 6394 claims that ISO-8859-1 will appear in the array of detected "
"encodings more than once. The hop through UnicodeString is for platforms "
"where this char * string is be EBCDIC and needs conversion to Latin1.";
char latin1Text[sizeof(charText)];
UnicodeString(charText).extract(0, sizeof(charText)-2, latin1Text, sizeof(latin1Text), "ISO-8859-1");
UErrorCode status = U_ZERO_ERROR;
UCharsetDetector *csd = ucsdet_open(&status);
ucsdet_setText(csd, latin1Text, -1, &status);
if (U_FAILURE(status)) {
errln("Fail at file %s, line %d. status = %s", __FILE__, __LINE__, u_errorName(status));
return;
}
int32_t matchCount = 0;
const UCharsetMatch **matches = ucsdet_detectAll(csd, &matchCount, &status);
if (U_FAILURE(status)) {
errln("Fail at file %s, line %d. status = %s", __FILE__, __LINE__, u_errorName(status));
return;
}
UnicodeSet setOfCharsetNames; // UnicodSets can hold strings.
int32_t i;
for (i=0; i<matchCount; i++) {
UnicodeString charSetName(ucsdet_getName(matches[i], &status));
if (U_FAILURE(status)) {
errln("Fail at file %s, line %d. status = %s; i=%d", __FILE__, __LINE__, u_errorName(status), i);
status = U_ZERO_ERROR;
}
if (setOfCharsetNames.contains(charSetName)) {
errln("Fail at file %s, line %d ", __FILE__, __LINE__);
errln(UnicodeString(" Duplicate charset name = ") + charSetName);
}
setOfCharsetNames.add(charSetName);
}
ucsdet_close(csd);
#endif
}