/******************************************************************************
*
* utf8arshaping - SWFilter decendant to perform Arabic shaping on
* UTF-8 text
*/
#ifdef _ICU_
#include <stdlib.h>
#include <string.h>
#ifdef __GNUC__
#include <unixstr.h>
#endif
#include <utf8arshaping.h>
SWORD_NAMESPACE_START
UTF8arShaping::UTF8arShaping() {
conv = ucnv_open("UTF-8", &err);
}
UTF8arShaping::~UTF8arShaping() {
ucnv_close(conv);
}
char UTF8arShaping::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module)
{
UChar *ustr, *ustr2;
if ((unsigned long)key < 2) // hack, we're en(1)/de(0)ciphering
return -1;
int32_t len = strlen(text);
ustr = new UChar[len];
ustr2 = new UChar[len];
// Convert UTF-8 string to UTF-16 (UChars)
len = ucnv_toUChars(conv, ustr, len, text, -1, &err);
len = u_shapeArabic(ustr, len, ustr2, len, U_SHAPE_LETTERS_SHAPE | U_SHAPE_DIGITS_EN2AN, &err);
ucnv_fromUChars(conv, text, maxlen, ustr2, len, &err);
delete [] ustr2;
delete [] ustr;
return 0;
}
SWORD_NAMESPACE_END
#endif