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match_attribute_selectors(): Factor out matching of values to own function

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This commit is contained in:
Jonas Fonseca 2005-12-23 00:11:25 +01:00 committed by Jonas Fonseca
parent 262856273e
commit 07fc481607
1 changed files with 46 additions and 35 deletions
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81
src/document/dom/select.c
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@ -16,6 +16,8 @@
#include "util/string.h"
/* Selector parsing: */
/* Maps the content of a scanner token to a pseudo-class or -element ID. */
static enum dom_select_pseudo
get_dom_select_pseudo(struct scanner_token *token)
@ -555,6 +557,8 @@ done_dom_select(struct dom_select *select)
}
/* DOM node selection: */
/* This struct stores data related to the 'application' of a DOM selector
* on a DOM tree or stream. */
struct dom_select_data {
@ -605,6 +609,47 @@ get_child_dom_select_node(struct dom_select_node *selector,
#define has_attribute_match(selector, name) \
((selector)->match.attribute & (name))
static int
match_attribute_value(struct dom_select_node *selector, struct dom_node *node)
{
struct dom_string *selvalue = &selector->node.data.attribute.value;
struct dom_string *value = &attr->data.attribute.value;
/* The attribute selector value should atleast be contained in the
* attribute value. */
if (value->length < selvalue->length)
return 0;
/* FIXME: Combine the 3 following to use an offset to specify where in
* value, selvalue should match. */
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_EXACT)
&& dom_string_casecmp(value, selvalue))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_BEGIN))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_END))
return 0;
/* FIXME: Combine the 3 following to simply strstr()-search the value
* and based on a char group check if it is separated either by
* begining, end or the values in the char group: '-' for
* DOM_SELECT_ATTRIBUTE_HYPHEN_LIST, etc. */
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_SPACE_LIST))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_HYPHEN_LIST))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_CONTAINS))
return 0;
return 1;
}
/* Match the attribute of an element @node against attribute selector nodes
* of a given @base. */
static int
@ -629,8 +674,6 @@ match_attribute_selectors(struct dom_select_node *base, struct dom_node *node)
foreach_dom_node (selnodes, selnode, index) {
struct dom_select_node *selector = (void *) selnode;
struct dom_node *attr;
struct dom_string *value;
struct dom_string *selvalue;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_ID)) {
size_t idindex;
@ -656,39 +699,7 @@ match_attribute_selectors(struct dom_select_node *base, struct dom_node *node)
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_ANY))
continue;
value = &attr->data.attribute.value;
selvalue = &selnode->data.attribute.value;
/* The attribute selector value should atleast be contained in
* the attribute value. */
if (value->length < selvalue->length)
return 0;
/* FIXME: Combine the 3 following to use an offset to specify
* where in value, selvalue should match. */
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_EXACT)
&& dom_string_casecmp(value, selvalue))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_BEGIN))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_END))
return 0;
/* FIXME: Combine the 3 following to simply strstr()-search the
* value and based on a char group check if it is separated
* either by begining, end or the values in the char group:
* '-' for DOM_SELECT_ATTRIBUTE_HYPHEN_LIST, etc. */
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_SPACE_LIST))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_HYPHEN_LIST))
return 0;
if (has_attribute_match(selector, DOM_SELECT_ATTRIBUTE_CONTAINS))
if (!match_attribute_value(selector, attr))
return 0;
}