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We use the following rules: * grn_ctx::errbuf: grn_encoding * grn_logger_put: grn_encoding * mruby: UTF-8 * path: locale
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| /* -*- c-basic-offset: 2 -*- */ | ||
| /* | ||
| Copyright(C) 2018 Brazil | ||
| This library is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU Lesser General Public | ||
| License version 2.1 as published by the Free Software Foundation. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public | ||
| License along with this library; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
|
|
||
| #include "grn.h" | ||
| #include "grn_ctx.h" | ||
| #include "grn_encoding.h" | ||
| #include "grn_windows.h" | ||
|
|
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| #include <string.h> | ||
|
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| #ifdef WIN32 | ||
| static const char * | ||
| grn_encoding_convert(grn_ctx *ctx, | ||
| const char *context, | ||
| UINT from_code_page, | ||
| UINT to_code_page, | ||
| const char *from_string, | ||
| ssize_t from_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| char *converted_string = NULL; | ||
|
|
||
| if (from_string_size < 0) { | ||
| from_string_size = strlen(from_string); | ||
| } | ||
|
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| if (from_code_page == to_code_page) { | ||
| goto exit; | ||
| } | ||
|
|
||
| { | ||
| WCHAR *utf16_string; | ||
| DWORD n_utf16_chars; | ||
| size_t converted_string_size_; | ||
|
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| n_utf16_chars = MultiByteToWideChar(from_code_page, | ||
| 0, | ||
| from_string, | ||
| from_string_size, | ||
| NULL, | ||
| 0); | ||
| if (n_utf16_chars == 0) { | ||
| SERR("%s failed to estimate the number of UTF-16 characters", | ||
| context); | ||
| goto exit; | ||
| } | ||
| utf16_string = GRN_MALLOCN(WCHAR, n_utf16_chars); | ||
| n_utf16_chars = MultiByteToWideChar(from_code_page, | ||
| 0, | ||
| from_string, | ||
| from_string_size, | ||
| utf16_string, | ||
| n_utf16_chars); | ||
| if (n_utf16_chars == 0) { | ||
| SERR("%s failed to convert to UTF-16 characters", | ||
| context); | ||
| GRN_FREE(utf16_string); | ||
| goto exit; | ||
| } | ||
|
|
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| converted_string_size_ = WideCharToMultiByte(to_code_page, | ||
| 0, | ||
| utf16_string, | ||
| n_utf16_chars, | ||
| NULL, | ||
| 0, | ||
| NULL, | ||
| NULL); | ||
| if (converted_string_size_ == 0) { | ||
| SERR("%s failed to estimate required buffer size for converted string", | ||
| context); | ||
| GRN_FREE(utf16_string); | ||
| goto exit; | ||
| } | ||
|
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| converted_string = GRN_MALLOCN(char, *converted_string_size + 1); | ||
| converted_string_size_ = WideCharToMultiByte(to_code_page, | ||
| 0, | ||
| utf16_string, | ||
| n_utf16_chars, | ||
| converted_string, | ||
| converted_string_size_, | ||
| NULL, | ||
| NULL); | ||
| GRN_FREE(utf16_string); | ||
| if (converted_string_size_ == 0) { | ||
| SERR("%s failed to estimate required buffer size for converted string", | ||
| context); | ||
| GRN_FREE(converted_string); | ||
| converted_string = NULL; | ||
| goto exit; | ||
| } | ||
| converted_string[converted_string_size_] = '\0'; | ||
| if (converted_string_size) { | ||
| *converted_string_size = converted_string_size_; | ||
| } | ||
| } | ||
|
|
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| exit : | ||
| if (!converted_string) { | ||
| converted_string = GRN_MALLOCN(char, from_string_size + 1); | ||
| if (converted_string) { | ||
| grn_memcpy(converted_string, from_string, from_string_size); | ||
| converted_string[from_string_size] = '\0'; | ||
| if (converted_string_size) { | ||
| *converted_string_size = from_string_size; | ||
| } | ||
| } else { | ||
| ERR(ctx->rc, | ||
| "%s failed to allocate a buffer for converted string", | ||
| context); | ||
| if (converted_string_size) { | ||
| *converted_string_size = 0; | ||
| } | ||
| } | ||
| } | ||
|
|
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| return converted_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_locale(grn_ctx *ctx, | ||
| const char *grn_encoding_string, | ||
| ssize_t grn_encoding_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][grn->locale]", | ||
| CP_ACP, | ||
| grn_windows_encoding_to_code_page(ctx->encoding), | ||
| grn_encoding_string, | ||
| grn_encoding_string_size, | ||
| converted_string_size); | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_utf8(grn_ctx *ctx, | ||
| const char *grn_encoding_string, | ||
| ssize_t grn_encoding_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][grn->utf8]", | ||
| CP_UTF8, | ||
| grn_windows_encoding_to_code_page(ctx->encoding), | ||
| grn_encoding_string, | ||
| grn_encoding_string_size, | ||
| converted_string_size); | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_from_locale(grn_ctx *ctx, | ||
| const char *locale_string, | ||
| ssize_t locale_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][locale->grn]", | ||
| grn_windows_encoding_to_code_page(ctx->encoding), | ||
| CP_ACP, | ||
| locale_string, | ||
| locale_string_size, | ||
| converted_string_size); | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_from_utf8(grn_ctx *ctx, | ||
| const char *utf8_string, | ||
| ssize_t utf8_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][utf8->grn]", | ||
| grn_windows_encoding_to_code_page(ctx->encoding), | ||
| CP_UTF8, | ||
| utf8_string, | ||
| utf8_string_size, | ||
| converted_string_size); | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_utf8_from_locale(grn_ctx *ctx, | ||
| const char *locale_string, | ||
| ssize_t locale_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][locale->utf8]", | ||
| CP_ACP, | ||
| CP_UTF8, | ||
| locale_string, | ||
| locale_string_size, | ||
| converted_string_size); | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_locale_from_utf8(grn_ctx *ctx, | ||
| const char *utf8_string, | ||
| ssize_t utf8_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| return grn_encoding_convert(ctx, | ||
| "[encoding][convert][utf8->locale]", | ||
| CP_UTF8, | ||
| CP_ACP, | ||
| utf8_string, | ||
| utf8_string_size, | ||
| converted_string_size); | ||
| } | ||
|
|
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| void | ||
| grn_encoding_converted_free(grn_ctx *ctx, const char *converted_string) | ||
| { | ||
| GRN_FREE((char *)converted_string); | ||
| } | ||
| #else /* WIN32 */ | ||
| const char * | ||
| grn_encoding_convert_to_locale(grn_ctx *ctx, | ||
| const char *grn_encoding_string, | ||
| ssize_t grn_encoding_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (grn_encoding_string_size < 0) { | ||
| *converted_string_size = strlen(grn_encoding_string); | ||
| } else { | ||
| *converted_string_size = grn_encoding_string_size; | ||
| } | ||
| } | ||
| return grn_encoding_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_utf8(grn_ctx *ctx, | ||
| const char *grn_encoding_string, | ||
| ssize_t grn_encoding_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (grn_encoding_string_size < 0) { | ||
| *converted_string_size = strlen(grn_encoding_string); | ||
| } else { | ||
| *converted_string_size = grn_encoding_string_size; | ||
| } | ||
| } | ||
| return grn_encoding_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_from_locale(grn_ctx *ctx, | ||
| const char *locale_string, | ||
| ssize_t locale_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (locale_string_size < 0) { | ||
| *converted_string_size = strlen(locale_string); | ||
| } else { | ||
| *converted_string_size = locale_string_size; | ||
| } | ||
| } | ||
| return locale_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_from_utf8(grn_ctx *ctx, | ||
| const char *utf8_string, | ||
| ssize_t utf8_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (utf8_string_size < 0) { | ||
| *converted_string_size = strlen(utf8_string); | ||
| } else { | ||
| *converted_string_size = utf8_string_size; | ||
| } | ||
| } | ||
| return utf8_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_utf8_from_locale(grn_ctx *ctx, | ||
| const char *locale_string, | ||
| ssize_t locale_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (locale_string_size < 0) { | ||
| *converted_string_size = strlen(locale_string); | ||
| } else { | ||
| *converted_string_size = locale_string_size; | ||
| } | ||
| } | ||
| return locale_string; | ||
| } | ||
|
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| const char * | ||
| grn_encoding_convert_to_locale_from_utf8(grn_ctx *ctx, | ||
| const char *utf8_string, | ||
| ssize_t utf8_string_size, | ||
| size_t *converted_string_size) | ||
| { | ||
| if (converted_string_size) { | ||
| if (utf8_string_size < 0) { | ||
| *converted_string_size = strlen(utf8_string); | ||
| } else { | ||
| *converted_string_size = utf8_string_size; | ||
| } | ||
| } | ||
| return utf8_string; | ||
| } | ||
|
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| void | ||
| grn_encoding_converted_free(grn_ctx *ctx, const char *converted_string) | ||
| { | ||
| } | ||
| #endif /* WIN32 */ |
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