102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
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* This file is part of libdom.
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* Licensed under the MIT License,
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* http://www.opensource.org/licenses/mit-license.php
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* Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org>
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*/
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#ifndef dom_hubbub_parser_h_
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#define dom_hubbub_parser_h_
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#include <stddef.h>
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#include <inttypes.h>
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#include <hubbub/errors.h>
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#include <dom/dom.h>
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#include "errors.h"
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/**
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* Type of script completion function
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*/
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typedef dom_hubbub_error (*dom_script)(void *ctx, struct dom_node *node);
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typedef struct dom_hubbub_parser dom_hubbub_parser;
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/* The encoding source of the document */
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typedef enum dom_hubbub_encoding_source {
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DOM_HUBBUB_ENCODING_SOURCE_HEADER,
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DOM_HUBBUB_ENCODING_SOURCE_DETECTED,
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DOM_HUBBUB_ENCODING_SOURCE_META
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} dom_hubbub_encoding_source;
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/* The recommended way to use the parser is:
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*
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* dom_hubbub_parser_create(...);
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* dom_hubbub_parser_parse_chunk(...);
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* call _parse_chunk for all chunks of data
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*
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* After you have parsed the data,
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*
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* dom_hubbub_parser_completed(...);
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* dom_hubbub_parser_destroy(...);
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*
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* Clients must ensure that these function calls above are called in
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* the order shown. dom_hubbub_parser_create() will pass the ownership
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* of the document to the client. After that, the parser should be destroyed.
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* The client must not call any method of this parser after destruction.
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*/
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/**
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* Parameter block for dom_hubbub_parser_create
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*/
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typedef struct dom_hubbub_parser_params {
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const char *enc; /**< Source charset, or NULL */
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bool fix_enc; /**< Whether fix the encoding */
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bool enable_script; /**< Whether scripting should be enabled. */
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dom_script script; /**< Script callback function */
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dom_msg msg; /**< Informational message function */
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void *ctx; /**< Pointer to client-specific private data */
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/** default action fetcher function */
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dom_events_default_action_fetcher daf;
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} dom_hubbub_parser_params;
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/* Create a Hubbub parser instance */
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dom_hubbub_error dom_hubbub_parser_create(dom_hubbub_parser_params *params,
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dom_hubbub_parser **parser,
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dom_document **document);
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/* Destroy a Hubbub parser instance */
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void dom_hubbub_parser_destroy(dom_hubbub_parser *parser);
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/* Parse a chunk of data */
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dom_hubbub_error dom_hubbub_parser_parse_chunk(dom_hubbub_parser *parser,
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const uint8_t *data, size_t len);
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/* insert data into the parse stream but do not parse it */
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dom_hubbub_error dom_hubbub_parser_insert_chunk(dom_hubbub_parser *parser,
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const uint8_t *data, size_t length);
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/* Notify parser that datastream is empty */
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dom_hubbub_error dom_hubbub_parser_completed(dom_hubbub_parser *parser);
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/* Retrieve the document's encoding */
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const char *dom_hubbub_parser_get_encoding(dom_hubbub_parser *parser,
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dom_hubbub_encoding_source *source);
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/**
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* Set the Parse pause state.
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*
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* \param parser The parser object
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* \param pause The pause state to set.
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* \return DOM_HUBBUB_OK on success,
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* DOM_HUBBUB_HUBBUB_ERR | <hubbub_error> on failure
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*/
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dom_hubbub_error dom_hubbub_parser_pause(dom_hubbub_parser *parser, bool pause);
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#endif
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