libdom.c File Reference

libdom utilities (implementation). More...

#include <assert.h>
#include <string.h>
#include <dom/dom.h>
#include "utils/config.h"
#include "utils/log.h"
#include "utils/libdom.h"

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Macros
#define	BUF_SIZE   512

Functions
dom_node *	libdom_find_first_element (dom_node *parent, lwc_string *element_name)
	Search children of a node for first named element. More...
nserror	libdom_iterate_child_elements (dom_node *parent, libdom_iterate_cb cb, void *ctx)
nserror	libdom_hubbub_error_to_nserror (dom_hubbub_error error)
	Convert libdom hubbub binding errors to nserrors. More...
static void	ignore_dom_msg (uint32_t severity, void *ctx, const char *msg,...)
static bool	dump_dom_element_attribute (dom_node *node, FILE *f, const char *attribute)
	Dump attribute/value for an element node. More...
static bool	dump_dom_element (dom_node *node, FILE *f, int depth)
	Print a line in a DOM structure dump for an element. More...
nserror	libdom_dump_structure (dom_node *node, FILE *f, int depth)
	Walk though a DOM (sub)tree, in depth first order, printing DOM structure. More...
nserror	libdom_parse_file (const char *filename, const char *encoding, dom_document **doc)

Detailed Description

libdom utilities (implementation).

Definition in file libdom.c.

Macro Definition Documentation

BUF_SIZE

#define BUF_SIZE   512

Function Documentation

dump_dom_element()

static bool dump_dom_element ( dom_node *  node, FILE *  f, int  depth  )

static

Print a line in a DOM structure dump for an element.

Parameters

node	The node to dump
f	file handle to dump to.
depth	The node's depth

Returns

true on success, or false on error

Definition at line 261 of file libdom.c.

References dump_dom_element_attribute(), node_name(), and type.

Referenced by libdom_dump_structure().

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dump_dom_element_attribute()

static bool dump_dom_element_attribute ( dom_node *  node, FILE *  f, const char *  attribute  )

static

Dump attribute/value for an element node.

Parameters

node	The element node to dump attribute details for
f	file handle to dump to.
attribute	The attribute to dump

Returns

true on success, or false on error

Definition at line 199 of file libdom.c.

References type.

Referenced by dump_dom_element().

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ignore_dom_msg()

static void ignore_dom_msg ( uint32_t  severity, void *  ctx, const char *  msg,   ...  )

static

Definition at line 185 of file libdom.c.

Referenced by libdom_parse_file().

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libdom_dump_structure()

nserror libdom_dump_structure	(	dom_node *	node,
		FILE *	f,
		int	depth
	)

Walk though a DOM (sub)tree, in depth first order, printing DOM structure.

Parameters

node	The root node to start from.
f	The file to write output into.
depth	The depth of 'node' in the (sub)tree.

Definition at line 331 of file libdom.c.

References dump_dom_element(), libdom_dump_structure(), NSERROR_DOM, and NSERROR_OK.

Referenced by html_debug_dump(), and libdom_dump_structure().

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libdom_find_first_element()

dom_node * libdom_find_first_element	(	dom_node *	parent,
		lwc_string *	element_name
	)

Search children of a node for first named element.

Parameters

parent	dom_node to search children of, or NULL
element_name	name of element to find

Returns

first child of node which is an element and matches name, or NULL if not found or parameter node is NULL

Definition at line 33 of file libdom.c.

References next_node(), node_name(), and parent.

Referenced by hotlist_load(), and hotlist_load_entry().

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libdom_hubbub_error_to_nserror()

nserror libdom_hubbub_error_to_nserror

(

dom_hubbub_error

error

)

Convert libdom hubbub binding errors to nserrors.

Parameters

error

The hubbub binding error to convert

Returns

The appropriate nserror

Todo:

better error handling and reporting

Definition at line 122 of file libdom.c.

References NSERROR_BAD_ENCODING, NSERROR_BAD_PARAMETER, NSERROR_DOM, NSERROR_ENCODING_CHANGE, NSERROR_INVALID, NSERROR_NEED_DATA, NSERROR_NOMEM, NSERROR_NOT_FOUND, NSERROR_OK, and NSERROR_UNKNOWN.

Referenced by html_begin_conversion(), html_create_html_data(), html_process_data(), html_process_encoding_change(), and libdom_parse_file().

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libdom_iterate_child_elements()

nserror libdom_iterate_child_elements	(	dom_node *	parent,
		libdom_iterate_cb	cb,
		void *	ctx
	)

Definition at line 76 of file libdom.c.

References NSERROR_NOMEM, NSERROR_OK, parent, and type.

Referenced by hotlist_load_directory().

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libdom_parse_file()

nserror libdom_parse_file	(	const char *	filename,
		const char *	encoding,
		dom_document **	doc
	)

Definition at line 381 of file libdom.c.

References BUF_SIZE, ignore_dom_msg(), libdom_hubbub_error_to_nserror(), NSERROR_DOM, NSERROR_NOT_FOUND, and NSERROR_OK.

Referenced by hotlist_load().

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