| /* Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* |
| * This file defines the <code>PPB_CharSet_Trusted</code> interface. |
| */ |
| |
| label Chrome { |
| M18 = 1.0 |
| }; |
| |
| [assert_size(4)] enum PP_CharSet_Trusted_ConversionError { |
| /** |
| * Causes the entire conversion to fail if an error is encountered. The |
| * conversion function will return NULL. |
| */ |
| PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL, |
| |
| /** |
| * Silently skips over errors. Unrepresentable characters and input encoding |
| * errors will be removed from the output. |
| */ |
| PP_CHARSET_TRUSTED_CONVERSIONERROR_SKIP, |
| |
| /** |
| * Replaces the error or unrepresentable character with a substitution |
| * character. When converting to a Unicode character set (UTF-8 or UTF-16) it |
| * will use the unicode "substitution character" U+FFFD. When converting to |
| * another character set, the character will be charset-specific. For many |
| * languages this will be the representation of the '?' character. |
| */ |
| PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE |
| }; |
| |
| /** |
| * The <code>PPB_CharSet_Trusted</code> interface provides functions for |
| * converting between character sets. |
| * |
| * This inteface is provided for trusted plugins only since in Native Client it |
| * would require an expensive out-of-process IPC call for each conversion, |
| * which makes performance unacceptable. Native Client plugins should include |
| * ICU or some other library if they need this feature. |
| */ |
| interface PPB_CharSet_Trusted { |
| /** |
| * Converts the UTF-16 string pointed to by |*utf16| to an 8-bit string in |
| * the specified code page. |utf16_len| is measured in UTF-16 units, not |
| * bytes. This value may not be NULL. |
| * |
| * The given output buffer will be filled up to output_length bytes with the |
| * result. output_length will be updated with the number of bytes required |
| * for the given string. The output buffer may be null to just retrieve the |
| * required buffer length. |
| * |
| * This function will return PP_FALSE if there was an error converting the |
| * string and you requested PP_CHARSET_CONVERSIONERROR_FAIL, or the output |
| * character set was unknown. Otherwise, it will return PP_TRUE. |
| */ |
| PP_Bool UTF16ToCharSet([in, size_as=utf16_len] uint16_t[] utf16, |
| [in] uint32_t utf16_len, |
| [in] str_t output_char_set, |
| [in] PP_CharSet_Trusted_ConversionError on_error, |
| [out] str_t output_buffer, |
| [inout] uint32_t output_length); |
| |
| /** |
| * Same as UTF16ToCharSet except converts in the other direction. The input |
| * is in the given charset, and the |input_len| is the number of bytes in |
| * the |input| string. |
| * |
| * Note that the output_utf16_length is measured in UTF-16 characters. |
| * |
| * Since UTF16 can represent every Unicode character, the only time the |
| * replacement character will be used is if the encoding in the input string |
| * is incorrect. |
| */ |
| PP_Bool CharSetToUTF16([in] str_t input, |
| [in] uint32_t input_len, |
| [in] str_t input_char_set, |
| [in] PP_CharSet_Trusted_ConversionError on_error, |
| [out] uint16_t output_buffer, |
| [inout] uint32_t output_utf16_length); |
| |
| /** |
| * Returns a string var representing the current multi-byte character set of |
| * the current system. |
| * |
| * WARNING: You really shouldn't be using this function unless you're dealing |
| * with legacy data. You should be using UTF-8 or UTF-16 and you don't have |
| * to worry about the character sets. |
| */ |
| PP_Var GetDefaultCharSet([in] PP_Instance instance); |
| }; |