select.h File Reference

#include <stdint.h>
#include <dom/dom.h>
#include <libcss/libcss.h>

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Data Structures
struct	nscss_select_ctx
	Selection context. More...

Typedefs
typedef struct nscss_select_ctx	nscss_select_ctx
	Selection context. More...

Functions
css_stylesheet *	nscss_create_inline_style (const uint8_t *data, size_t len, const char *charset, const char *url, bool allow_quirks)
	Create an inline style. More...
css_select_results *	nscss_get_style (nscss_select_ctx *ctx, dom_node *n, const css_media *media, const css_unit_ctx *unit_len_ctx, const css_stylesheet *inline_style)
	Get style selection results for an element. More...
css_computed_style *	nscss_get_blank_style (nscss_select_ctx *ctx, const css_unit_ctx *unit_len_ctx, const css_computed_style *parent)
	Get a blank style. More...
css_error	named_ancestor_node (void *pw, void *node, const css_qname *qname, void **ancestor)
	Callback to find a named ancestor node. More...
css_error	node_is_visited (void *pw, void *node, bool *match)
	Callback to determine if a node is a linking element whose target has been visited. More...

Typedef Documentation

nscss_select_ctx

typedef struct nscss_select_ctx nscss_select_ctx

Selection context.

Function Documentation

named_ancestor_node()

css_error named_ancestor_node	(	void *	pw,
		void *	node,
		const css_qname *	qname,
		void **	ancestor
	)

Callback to find a named ancestor node.

Parameters

pw	HTML document
node	DOM node
qname	Node name to search for
ancestor	Pointer to location to receive ancestor

Returns

CSS_OK.

Postcondition

ancestor will contain the result, or NULL if there is no match

Definition at line 471 of file select.c.

Referenced by css_hint_anchor_color(), and css_hint_table_cell_border_padding().

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node_is_visited()

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

Callback to determine if a node is a linking element whose target has been visited.

Parameters

pw	HTML document
node	DOM node
match	Pointer to location to receive result

Returns

CSS_OK.

Postcondition

match will contain true if the node matches and false otherwise.

Definition at line 1471 of file select.c.

References nscss_select_ctx::base_url, NSERROR_OK, nsurl_join(), nsurl_unref(), urldb_get_url_data(), and url_data::visits.

Referenced by css_hint_anchor_color().

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nscss_create_inline_style()

css_stylesheet * nscss_create_inline_style	(	const uint8_t *	data,
		size_t	len,
		const char *	charset,
		const char *	url,
		bool	allow_quirks
	)

Create an inline style.

Parameters

data	Source data
len	Length of data in bytes
charset	Charset of data, or NULL if unknown
url	Base URL of document containing data
allow_quirks	True to permit CSS parsing quirks

Returns

Pointer to stylesheet, or NULL on failure.

Definition at line 148 of file select.c.

References ns_system_colour(), nscss_resolve_url(), and NSLOG.

Referenced by box_get_style().

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nscss_get_blank_style()

css_computed_style * nscss_get_blank_style	(	nscss_select_ctx *	ctx,
		const css_unit_ctx *	unit_len_ctx,
		const css_computed_style *	parent
	)

Get a blank style.

Parameters

ctx	CSS selection context
unit_unit_len_ctx	Unit length conversion context
parent	Parent style to cascade inherited properties from

Returns

Pointer to blank style, or NULL on failure

Definition at line 334 of file select.c.

References nscss_select_ctx::ctx, parent, and selection_handler.

Referenced by box_normalise_block(), box_normalise_flex(), box_normalise_table(), box_normalise_table_row(), box_normalise_table_row_group(), and box_normalise_table_spans().

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nscss_get_style()

css_select_results * nscss_get_style	(	nscss_select_ctx *	ctx,
		dom_node *	n,
		const css_media *	media,
		const css_unit_ctx *	unit_len_ctx,
		const css_stylesheet *	inline_style
	)

Get style selection results for an element.

Parameters

ctx	CSS selection context
n	Element to select for
media	Permitted media types
unit_unit_len_ctx	Unit length conversion context
inline_style	Inline style associated with element, or NULL

Returns

Pointer to selection results (containing computed styles), or NULL on failure

Definition at line 253 of file select.c.

References nscss_select_ctx::ctx, nscss_select_ctx::parent_style, and selection_handler.

Referenced by box_get_style().

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