diff options
Diffstat (limited to 'src/charset/codec.c')
| -rw-r--r-- | src/charset/codec.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/charset/codec.c b/src/charset/codec.c deleted file mode 100644 index 727d600..0000000 --- a/src/charset/codec.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * This file is part of Hubbub. - * Licensed under the MIT License, - * http://www.opensource.org/licenses/mit-license.php - * Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org> - */ - -#include <string.h> - -#include "charset/aliases.h" - -#include "codec_impl.h" - -extern hubbub_charsethandler hubbub_iconv_codec_handler; -extern hubbub_charsethandler hubbub_utf8_codec_handler; -extern hubbub_charsethandler hubbub_utf16_codec_handler; - -static hubbub_charsethandler *handler_table[] = { - &hubbub_utf8_codec_handler, - &hubbub_utf16_codec_handler, - &hubbub_iconv_codec_handler, - NULL, -}; - -/** - * Create a charset codec - * - * \param charset Target charset - * \param alloc Memory (de)allocation function - * \param pw Pointer to client-specific private data (may be NULL) - * \return Pointer to codec instance, or NULL on failure - */ -hubbub_charsetcodec *hubbub_charsetcodec_create(const char *charset, - hubbub_alloc alloc, void *pw) -{ - hubbub_charsetcodec *codec; - hubbub_charsethandler **handler; - const hubbub_aliases_canon * canon; - - if (charset == NULL || alloc == NULL) - return NULL; - - /* Canonicalise charset name. */ - canon = hubbub_alias_canonicalise(charset, strlen(charset)); - if (canon == NULL) - return NULL; - - /* Search for handler class */ - for (handler = handler_table; *handler != NULL; handler++) { - if ((*handler)->handles_charset(canon->name)) - break; - } - - /* None found */ - if ((*handler) == NULL) - return NULL; - - /* Instantiate class */ - codec = (*handler)->create(canon->name, alloc, pw); - if (codec == NULL) - return NULL; - - /* and initialise it */ - codec->mibenum = canon->mib_enum; - - codec->filter = NULL; - codec->filter_pw = NULL; - - codec->errormode = HUBBUB_CHARSETCODEC_ERROR_LOOSE; - - codec->alloc = alloc; - codec->alloc_pw = pw; - - return codec; -} - -/** - * Destroy a charset codec - * - * \param codec The codec to destroy - */ -void hubbub_charsetcodec_destroy(hubbub_charsetcodec *codec) -{ - if (codec == NULL) - return; - - codec->handler.destroy(codec); - - codec->alloc(codec, 0, codec->alloc_pw); -} - -/** - * Configure a charset codec - * - * \param codec The codec to configure - * \parem type The codec option type to configure - * \param params Option-specific parameters - * \return HUBBUB_OK on success, appropriate error otherwise - */ -hubbub_error hubbub_charsetcodec_setopt(hubbub_charsetcodec *codec, - hubbub_charsetcodec_opttype type, - hubbub_charsetcodec_optparams *params) -{ - if (codec == NULL || params == NULL) - return HUBBUB_BADPARM; - - switch (type) { - case HUBBUB_CHARSETCODEC_FILTER_FUNC: - codec->filter = params->filter_func.filter; - codec->filter_pw = params->filter_func.pw; - break; - - case HUBBUB_CHARSETCODEC_ERROR_MODE: - codec->errormode = params->error_mode.mode; - break; - } - - return HUBBUB_OK; -} - -/** - * Encode a chunk of UCS4 data into a codec's charset - * - * \param codec The codec to use - * \param source Pointer to pointer to source data - * \param sourcelen Pointer to length (in bytes) of source data - * \param dest Pointer to pointer to output buffer - * \param destlen Pointer to length (in bytes) of output buffer - * \return HUBBUB_OK on success, appropriate error otherwise. - * - * source, sourcelen, dest and destlen will be updated appropriately on exit - */ -hubbub_error hubbub_charsetcodec_encode(hubbub_charsetcodec *codec, - const uint8_t **source, size_t *sourcelen, - uint8_t **dest, size_t *destlen) -{ - if (codec == NULL || source == NULL || *source == NULL || - sourcelen == NULL || dest == NULL || *dest == NULL || - destlen == NULL) - return HUBBUB_BADPARM; - - return codec->handler.encode(codec, source, sourcelen, dest, destlen); -} - -/** - * Decode a chunk of data in a codec's charset into UCS4 - * - * \param codec The codec to use - * \param source Pointer to pointer to source data - * \param sourcelen Pointer to length (in bytes) of source data - * \param dest Pointer to pointer to output buffer - * \param destlen Pointer to length (in bytes) of output buffer - * \return HUBBUB_OK on success, appropriate error otherwise. - * - * source, sourcelen, dest and destlen will be updated appropriately on exit - * - * Call this with a source length of 0 to flush any buffers. - */ -hubbub_error hubbub_charsetcodec_decode(hubbub_charsetcodec *codec, - const uint8_t **source, size_t *sourcelen, - uint8_t **dest, size_t *destlen) -{ - if (codec == NULL || source == NULL || *source == NULL || - sourcelen == NULL || dest == NULL || *dest == NULL || - destlen == NULL) - return HUBBUB_BADPARM; - - return codec->handler.decode(codec, source, sourcelen, dest, destlen); -} - -/** - * Clear a charset codec's encoding state - * - * \param codec The codec to reset - * \return HUBBUB_OK on success, appropriate error otherwise - */ -hubbub_error hubbub_charsetcodec_reset(hubbub_charsetcodec *codec) -{ - if (codec == NULL) - return HUBBUB_BADPARM; - - /* Reset filter */ - if (codec->filter) - codec->filter(HUBBUB_CHARSETCODEC_NULL, NULL, NULL, NULL); - - return codec->handler.reset(codec); -} - |