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Add the necessary bits to build gecko on ICS
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * 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. | ||
| */ | ||
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| #ifndef ANDROID_UNICODE_H | ||
| #define ANDROID_UNICODE_H | ||
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| #define __STDC_LIMIT_MACROS 1 | ||
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| #include <sys/types.h> | ||
| #include <stdint.h> | ||
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| extern "C" { | ||
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| // char32_t and char16_t are built-in types as of c++0x. | ||
| #if !defined(__GXX_EXPERIMENTAL_CXX0X__) && __cplusplus < 201103L | ||
| typedef uint32_t char32_t; | ||
| typedef uint16_t char16_t; | ||
| #endif | ||
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| // 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); | ||
|
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| // 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); | ||
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| // 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); | ||
|
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| // Standard string functions on char32_t strings. | ||
| size_t strlen32(const char32_t *); | ||
| size_t strnlen32(const char32_t *, size_t); | ||
|
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| /** | ||
| * 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); | ||
|
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| /** | ||
| * 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); | ||
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| /** | ||
| * 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); | ||
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| /** | ||
| * Returns the UTF-8 length of UTF-16 string "src". | ||
| */ | ||
| ssize_t utf16_to_utf8_length(const char16_t *src, size_t src_len); | ||
|
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| /** | ||
| * 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); | ||
|
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| /** | ||
| * 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); | ||
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| /** | ||
| * Measure the length of a UTF-32 string. | ||
| */ | ||
| size_t utf8_to_utf32_length(const char *src, size_t src_len); | ||
|
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| /** | ||
| * 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); | ||
|
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| /** | ||
| * Returns the UTF-16 length of UTF-8 string "src". | ||
| */ | ||
| ssize_t utf8_to_utf16_length(const uint8_t* src, size_t srcLen); | ||
|
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| /** | ||
| * 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); | ||
|
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| /** | ||
| * 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); | ||
|
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| } | ||
|
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| #undef __STDC_LIMIT_MACROS | ||
| #endif |
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Submodule toolchains
added at
70cd8f