| /* ------------------------------------------------------------------ |
| * Copyright (C) 2008 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| // -*- c++ -*- |
| // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = |
| |
| // O S C L _ U T F 8 C O N V |
| |
| // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = |
| |
| /*! \addtogroup osclutil OSCL Util |
| * |
| * @{ |
| */ |
| |
| |
| /** \file oscl_utf8conv.h |
| \brief Utilities to convert unicode to utf8. |
| */ |
| |
| |
| /******************************************************************************** |
| UTF-8 Bit Distribution |
| |
| UTF-16 1st Byte 2nd Byte 3rd Byte 4th Byte |
| -------- -------- -------- -------- -------- -------- -------- -------- |
| 00000000 0xxxxxxx 0xxxxxxx |
| 00000yyy yyxxxxxx 110yyyyy 10xxxxxx |
| zzzzyyyy yyxxxxxx 1110zzzz 10yyyyyy 10xxxxxx |
| 110110ww wwzzzzyy 110111yy yyxxxxxx 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx |
| |
| NOTE: |
| uuuuu = wwww+1 (to account for addition of 0x10000 as in Section 3.7, Surrogates) |
| |
| **********************************************************************************/ |
| |
| |
| #ifndef OSCL_UTF8CONV_H |
| #define OSCL_UTF8CONV_H |
| |
| #ifndef OSCL_BASE_INCLUDED_H |
| #include "oscl_base.h" |
| #endif |
| |
| /**********************************************************************************/ |
| /* */ |
| /* Function: oscl_UnicodeToUTF8 */ |
| /* Description: Convert UTF8 byte sequence to Unicode string */ |
| /* */ |
| /* Parameters: szSrc - UTF8 byte sequence to be converted */ |
| /* nSrcLen - Length of szSrc */ |
| /* strDest - unicode char buffer for */ |
| /* nDestLen - size (in characters) of buffer */ |
| /* */ |
| /* Returns: On success, the number of characters in the destination buffer */ |
| /* 0 on failure due to insufficient buffer size */ |
| /* */ |
| /* History: Created {DATE] {BY} {NAME} {PRODUCT REV} */ |
| /* Modified {DATE] {BY} {NAME} {PRODUCT REV} */ |
| /* */ |
| /**********************************************************************************/ |
| |
| OSCL_IMPORT_REF int32 oscl_UTF8ToUnicode(const char *input, int32 inLength, oscl_wchar *output, int32 outLength); |
| |
| |
| /**********************************************************************************/ |
| /* */ |
| /* Function: oscl_UnicodeToUTF8 */ |
| /* Description: Convert Unicode string to UTF8 byte sequence */ |
| /* *//* */ |
| /* Parameters: szSrc - Unicode string to be converted */ |
| /* nSrcLen - Length of szSrc */ |
| /* strDest - char buffer for UTF8 text */ |
| /* nDestLen - size (in characters) of buffer */ |
| /* */ |
| /* Returns: On success, the number of bytes in the destination buffer */ |
| /* 0 on failure due to insufficient buffer size */ |
| /* */ |
| /* History: Created {DATE] {BY} {NAME} {PRODUCT REV} */ |
| /* Modified {DATE] {BY} {NAME} {PRODUCT REV} */ |
| /* */ |
| /**********************************************************************************/ |
| |
| OSCL_IMPORT_REF int32 oscl_UnicodeToUTF8(const oscl_wchar *input, int32 inLength, char *output, int32 outLength); |
| |
| #endif /* OSCL_UTF8CONV_H */ |
| |
| /*! @} */ |
