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Diffstat (limited to 'media/omx-plugin/include/ics/utils/Unicode.h')
-rw-r--r-- | media/omx-plugin/include/ics/utils/Unicode.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/media/omx-plugin/include/ics/utils/Unicode.h b/media/omx-plugin/include/ics/utils/Unicode.h deleted file mode 100644 index 90a82763b..000000000 --- a/media/omx-plugin/include/ics/utils/Unicode.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (C) 2005 The Android Open Source Project - * - * 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. - */ - -#ifndef ANDROID_UNICODE_H -#define ANDROID_UNICODE_H - -#include <sys/types.h> -#include <stdint.h> - -extern "C" { - -#if !defined(__cplusplus) || __cplusplus == 199711L // C or C++98 -typedef uint32_t char32_t; -typedef uint16_t char16_t; -#endif - -// Standard string functions on char16_t strings. -int strcmp16(const char16_t *, const char16_t *); -int strncmp16(const char16_t *s1, const char16_t *s2, size_t n); -size_t strlen16(const char16_t *); -size_t strnlen16(const char16_t *, size_t); -char16_t *strcpy16(char16_t *, const char16_t *); -char16_t *strncpy16(char16_t *, const char16_t *, size_t); - -// Version of comparison that supports embedded nulls. -// This is different than strncmp() because we don't stop -// at a nul character and consider the strings to be different -// if the lengths are different (thus we need to supply the -// lengths of both strings). This can also be used when -// your string is not nul-terminated as it will have the -// equivalent result as strcmp16 (unlike strncmp16). -int strzcmp16(const char16_t *s1, size_t n1, const char16_t *s2, size_t n2); - -// Version of strzcmp16 for comparing strings in different endianness. -int strzcmp16_h_n(const char16_t *s1H, size_t n1, const char16_t *s2N, size_t n2); - -// Standard string functions on char32_t strings. -size_t strlen32(const char32_t *); -size_t strnlen32(const char32_t *, size_t); - -/** - * Measure the length of a UTF-32 string in UTF-8. If the string is invalid - * such as containing a surrogate character, -1 will be returned. - */ -ssize_t utf32_to_utf8_length(const char32_t *src, size_t src_len); - -/** - * Stores a UTF-8 string converted from "src" in "dst", if "dst_length" is not - * large enough to store the string, the part of the "src" string is stored - * into "dst" as much as possible. See the examples for more detail. - * Returns the size actually used for storing the string. - * dst" is not null-terminated when dst_len is fully used (like strncpy). - * - * Example 1 - * "src" == \u3042\u3044 (\xE3\x81\x82\xE3\x81\x84) - * "src_len" == 2 - * "dst_len" >= 7 - * -> - * Returned value == 6 - * "dst" becomes \xE3\x81\x82\xE3\x81\x84\0 - * (note that "dst" is null-terminated) - * - * Example 2 - * "src" == \u3042\u3044 (\xE3\x81\x82\xE3\x81\x84) - * "src_len" == 2 - * "dst_len" == 5 - * -> - * Returned value == 3 - * "dst" becomes \xE3\x81\x82\0 - * (note that "dst" is null-terminated, but \u3044 is not stored in "dst" - * since "dst" does not have enough size to store the character) - * - * Example 3 - * "src" == \u3042\u3044 (\xE3\x81\x82\xE3\x81\x84) - * "src_len" == 2 - * "dst_len" == 6 - * -> - * Returned value == 6 - * "dst" becomes \xE3\x81\x82\xE3\x81\x84 - * (note that "dst" is NOT null-terminated, like strncpy) - */ -void utf32_to_utf8(const char32_t* src, size_t src_len, char* dst); - -/** - * Returns the unicode value at "index". - * Returns -1 when the index is invalid (equals to or more than "src_len"). - * If returned value is positive, it is able to be converted to char32_t, which - * is unsigned. Then, if "next_index" is not NULL, the next index to be used is - * stored in "next_index". "next_index" can be NULL. - */ -int32_t utf32_from_utf8_at(const char *src, size_t src_len, size_t index, size_t *next_index); - - -/** - * Returns the UTF-8 length of UTF-16 string "src". - */ -ssize_t utf16_to_utf8_length(const char16_t *src, size_t src_len); - -/** - * Converts a UTF-16 string to UTF-8. The destination buffer must be large - * enough to fit the UTF-16 as measured by utf16_to_utf8_length with an added - * NULL terminator. - */ -void utf16_to_utf8(const char16_t* src, size_t src_len, char* dst); - -/** - * Returns the length of "src" when "src" is valid UTF-8 string. - * Returns 0 if src is NULL or 0-length string. Returns -1 when the source - * is an invalid string. - * - * This function should be used to determine whether "src" is valid UTF-8 - * characters with valid unicode codepoints. "src" must be null-terminated. - * - * If you are going to use other utf8_to_... functions defined in this header - * with string which may not be valid UTF-8 with valid codepoint (form 0 to - * 0x10FFFF), you should use this function before calling others, since the - * other functions do not check whether the string is valid UTF-8 or not. - * - * If you do not care whether "src" is valid UTF-8 or not, you should use - * strlen() as usual, which should be much faster. - */ -ssize_t utf8_length(const char *src); - -/** - * Measure the length of a UTF-32 string. - */ -size_t utf8_to_utf32_length(const char *src, size_t src_len); - -/** - * Stores a UTF-32 string converted from "src" in "dst". "dst" must be large - * enough to store the entire converted string as measured by - * utf8_to_utf32_length plus space for a NULL terminator. - */ -void utf8_to_utf32(const char* src, size_t src_len, char32_t* dst); - -/** - * Returns the UTF-16 length of UTF-8 string "src". - */ -ssize_t utf8_to_utf16_length(const uint8_t* src, size_t srcLen); - -/** - * Convert UTF-8 to UTF-16 including surrogate pairs. - * Returns a pointer to the end of the string (where a null terminator might go - * if you wanted to add one). - */ -char16_t* utf8_to_utf16_no_null_terminator(const uint8_t* src, size_t srcLen, char16_t* dst); - -/** - * Convert UTF-8 to UTF-16 including surrogate pairs. The destination buffer - * must be large enough to hold the result as measured by utf8_to_utf16_length - * plus an added NULL terminator. - */ -void utf8_to_utf16(const uint8_t* src, size_t srcLen, char16_t* dst); - -} - -#endif |