diff options
Diffstat (limited to 'src/modules/filters/utf8arshaping.cpp')
-rw-r--r-- | src/modules/filters/utf8arshaping.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/modules/filters/utf8arshaping.cpp b/src/modules/filters/utf8arshaping.cpp new file mode 100644 index 0000000..702fb62 --- /dev/null +++ b/src/modules/filters/utf8arshaping.cpp @@ -0,0 +1,51 @@ +/****************************************************************************** +* +* utf8arshaping - SWFilter descendant to perform Arabic shaping on +* UTF-8 text +*/ + +#ifdef _ICU_ + +#include <stdlib.h> + +#include <utilstr.h> + +#include <utf8arshaping.h> +#include <swbuf.h> + +SWORD_NAMESPACE_START + +UTF8arShaping::UTF8arShaping() { + conv = ucnv_open("UTF-8", &err); +} + +UTF8arShaping::~UTF8arShaping() { + ucnv_close(conv); +} + +char UTF8arShaping::processText(SWBuf &text, 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 = text.length(); + ustr = new UChar[len]; + ustr2 = new UChar[len]; + + // Convert UTF-8 string to UTF-16 (UChars) + len = ucnv_toUChars(conv, ustr, len, text.c_str(), -1, &err); + + len = u_shapeArabic(ustr, len, ustr2, len, U_SHAPE_LETTERS_SHAPE | U_SHAPE_DIGITS_EN2AN, &err); + + text.setSize(text.size()*2); + len = ucnv_fromUChars(conv, text.getRawData(), text.size(), ustr2, len, &err); + text.setSize(len); + + delete [] ustr2; + delete [] ustr; + return 0; +} + +SWORD_NAMESPACE_END +#endif |