forked from KolibriOS/kolibrios
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
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/*
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* This file is part of Hubbub.
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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 2007-8 John-Mark Bell <jmb@netsurf-browser.org>
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*/
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#ifndef hubbub_parser_h_
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#define hubbub_parser_h_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdbool.h>
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#include <inttypes.h>
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#include <hubbub/errors.h>
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#include <hubbub/functypes.h>
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#include <hubbub/tree.h>
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#include <hubbub/types.h>
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typedef struct hubbub_parser hubbub_parser;
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/**
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* Hubbub parser option types
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*/
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typedef enum hubbub_parser_opttype {
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HUBBUB_PARSER_TOKEN_HANDLER,
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HUBBUB_PARSER_ERROR_HANDLER,
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HUBBUB_PARSER_CONTENT_MODEL,
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HUBBUB_PARSER_TREE_HANDLER,
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HUBBUB_PARSER_DOCUMENT_NODE,
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HUBBUB_PARSER_ENABLE_SCRIPTING,
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HUBBUB_PARSER_PAUSE
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} hubbub_parser_opttype;
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/**
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* Hubbub parser option parameters
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*/
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typedef union hubbub_parser_optparams {
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struct {
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hubbub_token_handler handler;
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void *pw;
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} token_handler; /**< Token handling callback */
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struct {
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hubbub_error_handler handler;
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void *pw;
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} error_handler; /**< Error handling callback */
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struct {
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hubbub_content_model model;
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} content_model; /**< Current content model */
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hubbub_tree_handler *tree_handler; /**< Tree handling callbacks */
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void *document_node; /**< Document node */
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bool enable_scripting; /**< Whether to enable scripting */
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bool pause_parse; /**< Pause parsing */
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} hubbub_parser_optparams;
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/* Create a hubbub parser */
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hubbub_error hubbub_parser_create(const char *enc, bool fix_enc,
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hubbub_allocator_fn alloc, void *pw, hubbub_parser **parser);
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/* Destroy a hubbub parser */
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hubbub_error hubbub_parser_destroy(hubbub_parser *parser);
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/* Configure a hubbub parser */
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hubbub_error hubbub_parser_setopt(hubbub_parser *parser,
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hubbub_parser_opttype type,
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hubbub_parser_optparams *params);
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/* Pass a chunk of data to a hubbub parser for parsing */
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/* This data is encoded in the input charset */
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hubbub_error hubbub_parser_parse_chunk(hubbub_parser *parser,
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const uint8_t *data, size_t len);
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/**
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* Insert a chunk of data into a hubbub parser input stream
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*
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* This data is encoded in the input charset
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*
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* Inserts the given data into the input stream ready for parsing but
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* does not cause any additional processing of the input. This is
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* useful to allow hubbub callbacks to add computed data to the input.
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*
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* \param parser Parser instance to use
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* \param data Data to parse (encoded in the input charset)
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* \param len Length, in bytes, of data
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* \return HUBBUB_OK on success, appropriate error otherwise
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*/
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hubbub_error hubbub_parser_insert_chunk(hubbub_parser *parser,
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const uint8_t *data, size_t len);
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/* Inform the parser that the last chunk of data has been parsed */
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hubbub_error hubbub_parser_completed(hubbub_parser *parser);
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/* Read the document charset */
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const char *hubbub_parser_read_charset(hubbub_parser *parser,
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hubbub_charset_source *source);
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#ifdef __cplusplus
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}
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#endif
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#endif
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