hash.h

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/*
 * This file is part of LibCSS
 * Licensed under the MIT License,
 *                http://www.opensource.org/licenses/mit-license.php
 * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
 */
 
#ifndef css_select_hash_h_
#define css_select_hash_h_
 
#include <libwapcaplet/libwapcaplet.h>
 
#include <libcss/unit.h>
#include <libcss/errors.h>
#include <libcss/functypes.h>
 
#include "select/bloom.h"
#include "select/strings.h"
 
/* Ugh. We need this to avoid circular includes. Happy! */
struct css_selector;
 
typedef struct css_selector_hash css_selector_hash;
 
struct css_hash_selection_requirments {
        css_qname qname;                /* Element name, or universal "*" */
        lwc_string *class;              /* Name of class, or NULL */
        lwc_string *id;                 /* Name of id, or NULL */
        const css_select_strings *str;  /* Selection strings */
        const css_media *media;         /* Media spec we're selecting for */
        const css_unit_ctx *unit_ctx;   /* Document unit conversion context. */
        const css_bloom *node_bloom;    /* Node's bloom filter */
};
 
typedef css_error (*css_selector_hash_iterator)(
                const struct css_hash_selection_requirments *req,
                const struct css_selector **current,
                const struct css_selector ***next);
 
css_error css__selector_hash_create(css_selector_hash **hash);
css_error css__selector_hash_destroy(css_selector_hash *hash);
 
css_error css__selector_hash_insert(css_selector_hash *hash,
                const struct css_selector *selector);
css_error css__selector_hash_remove(css_selector_hash *hash,
                const struct css_selector *selector);
 
css_error css__selector_hash_find(css_selector_hash *hash,
                const struct css_hash_selection_requirments *req,
                css_selector_hash_iterator *iterator,
                const struct css_selector ***matched);
css_error css__selector_hash_find_by_class(css_selector_hash *hash,
                const struct css_hash_selection_requirments *req,
                css_selector_hash_iterator *iterator,
                const struct css_selector ***matched);
css_error css__selector_hash_find_by_id(css_selector_hash *hash,
                const struct css_hash_selection_requirments *req,
                css_selector_hash_iterator *iterator,
                const struct css_selector ***matched);
css_error css__selector_hash_find_universal(css_selector_hash *hash,
                const struct css_hash_selection_requirments *req,
                css_selector_hash_iterator *iterator,
                const struct css_selector ***matched);
 
css_error css__selector_hash_size(css_selector_hash *hash, size_t *size);
 
#endif