/*
* Class: fr_umlv_unitex_jni_UnitexJni
* Method: getUnitexFileData
* Signature: (Ljava/lang/String;)[B
*/
JNIEXPORT jbyteArray JNICALL Java_fr_umlv_unitex_jni_UnitexJni_getUnitexFileData
(JNIEnv *env, jclass, jstring filename)
{
jstringToCUtf jstc_filename;
jstc_filename.initJString(env,filename);
UNITEXFILEMAPPED *amf;
const void*buffer;
size_t size_file;
GetUnitexFileReadBuffer(jstc_filename.getJString(),&amf, &buffer,&size_file);
jbyteArray jarrRet=env->NewByteArray((jsize)size_file);
if (jarrRet != NULL)
env->SetByteArrayRegion(jarrRet,0,(jsize)size_file,(const jbyte*)buffer);
CloseUnitexFileReadBuffer(amf, buffer, size_file);
return jarrRet;
}
/*
* Class: fr_umlv_unitex_jni_UnitexJni
* Method: getUnitexFileString
* Signature: (Ljava/lang/String;)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_fr_umlv_unitex_jni_UnitexJni_getUnitexFileString
(JNIEnv *env, jclass, jstring filename)
{
jstringToCUtf jstc_filename;
jstc_filename.initJString(env,filename);
jstring jstrRet=NULL;
UNITEXFILEMAPPED *amf;
const void*buffer;
size_t size_file;
GetUnitexFileReadBuffer(jstc_filename.getJString(),&amf, &buffer,&size_file);
const unsigned char* bufchar=(const unsigned char*)buffer;
size_t size_bom=0;
bool is_utf16_native_endianess=false;
bool is_utf16_swap_endianess = false;
if (size_file>1)
if (((*(bufchar))==0xff) && ((*(bufchar+1))==0xfe))
{
// little endian
is_utf16_native_endianess = is_little_endian();
is_utf16_swap_endianess = ! is_utf16_native_endianess;
size_bom = 2;
}
if (size_file>1)
if (((*(bufchar))==0xfe) && ((*(bufchar+1))==0xff))
{
// big endian
is_utf16_native_endianess = ! is_little_endian();
is_utf16_swap_endianess = ! is_utf16_native_endianess;
size_bom = 2;
}
if (size_file>2)
if (((*(bufchar))==0xef) && ((*(bufchar+1))==0xbb) && ((*(bufchar+2))==0xbf))
{
size_bom = 3;
}
if (is_utf16_native_endianess)
{
jstrRet = env->NewString((const jchar*)(bufchar+size_bom), (jsize)((size_file - size_bom) / sizeof(jchar)));
}
else
if (is_utf16_swap_endianess)
{
unsigned char* returnedUTF16buffer = (unsigned char*)malloc(size_file);
if (returnedUTF16buffer != NULL)
{
for (size_t i=0;i<size_file;i+=2)
{
unsigned char c1 = *(bufchar+i);
unsigned char c2 = *(bufchar+i+1);
*(returnedUTF16buffer+i) = c2;
*(returnedUTF16buffer+i+1) = c1;
}
jstrRet = env->NewString((const jchar*)(returnedUTF16buffer+size_bom), (jsize)((size_file - size_bom) / sizeof(jchar)));
free(returnedUTF16buffer);
}
}
else
{
char* stringUtf = (char*)malloc(size_file+1);
memcpy(stringUtf,bufchar+size_bom,size_file-size_bom);
*(stringUtf+size_file-size_bom)='\0';
jstrRet = env->NewStringUTF(stringUtf);
free(stringUtf);
}
CloseUnitexFileReadBuffer(amf, buffer, size_file);
return jstrRet;
}
/// <summary>
/// Gets the whole contents of a (virtual) file into a Unicode string.
/// </summary>
/// <param name='fileName'>The file name.</param>
/// <param name='uString'>The Unicode string where to store the file contents.</param>
/// <returns>1 if ok, 0 if failed.</returns>
UNITEX_FUNC int UNITEX_CALL GetUnicodeStringFromUnitexFile(const char* filename, UnicodeString& uString)
{
uString.remove();
UNITEXFILEMAPPED* pFileHandle;
const void* buffer = NULL;
size_t bufferSize = 0;
GetUnitexFileReadBuffer(filename, &pFileHandle, &buffer, &bufferSize);
if (pFileHandle != NULL) {
if (bufferSize > 0) {
const unsigned char* bufchar= (const unsigned char*) buffer;
size_t size_bom = 0;
bool is_utf16_native_endianess = false;
bool is_utf16_swap_endianess = false;
if (bufferSize > 1) {
UChar UTF16Bom = *((const UChar*)buffer);
if (UTF16Bom == 0xfeff)
{
// native endian
is_utf16_native_endianess = true;
size_bom = 2;
}
if (UTF16Bom == 0xfffe)
{
// reverse endian
is_utf16_swap_endianess = true;
size_bom = 2;
}
}
if (bufferSize > 2) {
if (((*(bufchar)) == 0xef) && ((*(bufchar + 1)) == 0xbb) && ((*(bufchar + 2)) == 0xbf))
{
size_bom = 3;
}
}
if (is_utf16_native_endianess)
{
const UChar* uBuffer = (const UChar*)(bufchar + size_bom);
size_t uSize = (bufferSize - size_bom) / U_SIZEOF_UCHAR;
uString.setTo(uBuffer, uSize);
}
else if (is_utf16_swap_endianess)
{
unsigned char* returnedUTF16buffer = new unsigned char [bufferSize];
if (returnedUTF16buffer != NULL)
{
for (size_t i = 0; i<bufferSize; i += 2)
{
unsigned char c1 = *(bufchar + i);
unsigned char c2 = *(bufchar + i + 1);
*(returnedUTF16buffer + i) = c2;
*(returnedUTF16buffer + i + 1) = c1;
}
const UChar* uBuffer = (const UChar*)(returnedUTF16buffer + size_bom);
size_t uSize = (bufferSize - size_bom) / U_SIZEOF_UCHAR;
uString.setTo(uBuffer, uSize);
delete [] returnedUTF16buffer;
}
}
else
{
size_t len_buf_UChar = bufferSize+1+1;
UChar* stringUChar = new UChar[len_buf_UChar + 1];
size_t nb_written = 0;
unpack_utf8_string(stringUChar,len_buf_UChar,&nb_written,bufchar + size_bom, bufferSize - size_bom);
uString.setTo((const UChar*)stringUChar, nb_written);
delete [] stringUChar;
}
}
CloseUnitexFileReadBuffer(pFileHandle, buffer, bufferSize);
return 1;
}
return 0;
}
