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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 

 */

#ifndef libcss_select_h_

#define libcss_select_h_

#ifdef __cplusplus

extern "C"

{

#endif

#include 

#include 

#include 

#include 

#include 

typedef enum css_pseudo_element {

	CSS_PSEUDO_ELEMENT_NONE         = 0,

	CSS_PSEUDO_ELEMENT_FIRST_LINE   = 1,

	CSS_PSEUDO_ELEMENT_FIRST_LETTER = 2,

	CSS_PSEUDO_ELEMENT_BEFORE       = 3,

	CSS_PSEUDO_ELEMENT_AFTER        = 4,

	CSS_PSEUDO_ELEMENT_COUNT	= 5	/**< Number of pseudo elements */

} css_pseudo_element;

/**

 * Style selection result set

 */

typedef struct css_select_results {

	css_allocator_fn alloc;

	void *pw;

	/**

	 * Array of pointers to computed styles,

	 * indexed by css_pseudo_element. If there

	 * was no styling for a given pseudo element,

	 * then no computed style will be created and

	 * the corresponding pointer will be set to NULL

	 */

	css_computed_style *styles[CSS_PSEUDO_ELEMENT_COUNT];

} css_select_results;

typedef enum css_select_handler_version {

	CSS_SELECT_HANDLER_VERSION_1 = 1

} css_select_handler_version;

typedef struct css_select_handler {

	/** ABI version of this structure */

	uint32_t handler_version;

	css_error (*node_name)(void *pw, void *node,

			css_qname *qname);

	css_error (*node_classes)(void *pw, void *node,

			lwc_string ***classes,

			uint32_t *n_classes);

	css_error (*node_id)(void *pw, void *node,

			lwc_string **id);

	css_error (*named_ancestor_node)(void *pw, void *node,

			const css_qname *qname, void **ancestor);

	css_error (*named_parent_node)(void *pw, void *node,

			const css_qname *qname, void **parent);

	css_error (*named_sibling_node)(void *pw, void *node,

			const css_qname *qname, void **sibling);

	css_error (*named_generic_sibling_node)(void *pw, void *node,

			const css_qname *qname, void **sibling);

	css_error (*parent_node)(void *pw, void *node, void **parent);

	css_error (*sibling_node)(void *pw, void *node, void **sibling);

	css_error (*node_has_name)(void *pw, void *node,

			const css_qname *qname, bool *match);

	css_error (*node_has_class)(void *pw, void *node,

			lwc_string *name, bool *match);

	css_error (*node_has_id)(void *pw, void *node,

			lwc_string *name, bool *match);

	css_error (*node_has_attribute)(void *pw, void *node,

			const css_qname *qname, bool *match);

	css_error (*node_has_attribute_equal)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_has_attribute_dashmatch)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_has_attribute_includes)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_has_attribute_prefix)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_has_attribute_suffix)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_has_attribute_substring)(void *pw, void *node,

			const css_qname *qname, lwc_string *value,

			bool *match);

	css_error (*node_is_root)(void *pw, void *node, bool *match);

	css_error (*node_count_siblings)(void *pw, void *node,

			bool same_name, bool after, int32_t *count);

	css_error (*node_is_empty)(void *pw, void *node, bool *match);

	css_error (*node_is_link)(void *pw, void *node, bool *match);

	css_error (*node_is_visited)(void *pw, void *node, bool *match);

	css_error (*node_is_hover)(void *pw, void *node, bool *match);

	css_error (*node_is_active)(void *pw, void *node, bool *match);

	css_error (*node_is_focus)(void *pw, void *node, bool *match);

	css_error (*node_is_enabled)(void *pw, void *node, bool *match);

	css_error (*node_is_disabled)(void *pw, void *node, bool *match);

	css_error (*node_is_checked)(void *pw, void *node, bool *match);

	css_error (*node_is_target)(void *pw, void *node, bool *match);

	css_error (*node_is_lang)(void *pw, void *node,

			lwc_string *lang, bool *match);

	css_error (*node_presentational_hint)(void *pw, void *node,

			uint32_t property, css_hint *hint);

	css_error (*ua_default_for_property)(void *pw, uint32_t property,

			css_hint *hint);

	css_error (*compute_font_size)(void *pw, const css_hint *parent,

			css_hint *size);

} css_select_handler;

/**

 * Font face selection result set

 */

typedef struct css_select_font_faces_results {

	css_allocator_fn alloc;

	void *pw;

	/**

	 * Array of pointers to computed font faces.

	 */

	css_font_face **font_faces;

	uint32_t n_font_faces;

} css_select_font_faces_results;

css_error css_select_ctx_create(css_allocator_fn alloc, void *pw,

		css_select_ctx **result);

css_error css_select_ctx_destroy(css_select_ctx *ctx);

css_error css_select_ctx_append_sheet(css_select_ctx *ctx,

		const css_stylesheet *sheet,

		css_origin origin, uint64_t media);

css_error css_select_ctx_insert_sheet(css_select_ctx *ctx,

		const css_stylesheet *sheet, uint32_t index,

		css_origin origin, uint64_t media);

css_error css_select_ctx_remove_sheet(css_select_ctx *ctx,

		const css_stylesheet *sheet);

css_error css_select_ctx_count_sheets(css_select_ctx *ctx, uint32_t *count);

css_error css_select_ctx_get_sheet(css_select_ctx *ctx, uint32_t index,

		const css_stylesheet **sheet);

css_error css_select_style(css_select_ctx *ctx, void *node,

		uint64_t media, const css_stylesheet *inline_style,

		css_select_handler *handler, void *pw,

		css_select_results **result);

css_error css_select_results_destroy(css_select_results *results);

css_error css_select_font_faces(css_select_ctx *ctx,

		uint64_t media, lwc_string *font_family,

		css_select_font_faces_results **result);

css_error css_select_font_faces_results_destroy(

		css_select_font_faces_results *results);

#ifdef __cplusplus

}

#endif

#endif