2009-07-24 03:05:34 +04:00
|
|
|
/*
|
|
|
|
* Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
|
|
|
|
*
|
|
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
|
|
*
|
|
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; version 2 of the License.
|
|
|
|
*
|
|
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <assert.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <strings.h>
|
|
|
|
|
|
|
|
#include "content/urldb.h"
|
2014-01-10 18:32:29 +04:00
|
|
|
#include "desktop/system_colour.h"
|
2013-05-26 01:46:27 +04:00
|
|
|
#include "utils/nsoption.h"
|
2012-07-22 18:48:55 +04:00
|
|
|
#include "utils/corestrings.h"
|
2009-10-12 21:38:22 +04:00
|
|
|
#include "utils/log.h"
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
#include "internal.h"
|
|
|
|
#include "hints.h"
|
|
|
|
#include "select.h"
|
2014-05-09 13:15:42 +04:00
|
|
|
|
2011-03-12 20:51:59 +03:00
|
|
|
static css_error node_name(void *pw, void *node, css_qname *qname);
|
2009-07-29 13:59:29 +04:00
|
|
|
static css_error node_classes(void *pw, void *node,
|
2010-03-28 16:56:39 +04:00
|
|
|
lwc_string ***classes, uint32_t *n_classes);
|
|
|
|
static css_error node_id(void *pw, void *node, lwc_string **id);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error named_parent_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **parent);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error named_sibling_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **sibling);
|
2011-01-31 11:49:39 +03:00
|
|
|
static css_error named_generic_sibling_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **sibling);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error parent_node(void *pw, void *node, void **parent);
|
|
|
|
static css_error sibling_node(void *pw, void *node, void **sibling);
|
|
|
|
static css_error node_has_name(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, bool *match);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error node_has_class(void *pw, void *node,
|
|
|
|
lwc_string *name, bool *match);
|
|
|
|
static css_error node_has_id(void *pw, void *node,
|
|
|
|
lwc_string *name, bool *match);
|
|
|
|
static css_error node_has_attribute(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, bool *match);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error node_has_attribute_equal(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match);
|
|
|
|
static css_error node_has_attribute_dashmatch(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match);
|
|
|
|
static css_error node_has_attribute_includes(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match);
|
2011-01-31 11:49:39 +03:00
|
|
|
static css_error node_has_attribute_prefix(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match);
|
|
|
|
static css_error node_has_attribute_suffix(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match);
|
|
|
|
static css_error node_has_attribute_substring(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match);
|
|
|
|
static css_error node_is_root(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_count_siblings(void *pw, void *node,
|
|
|
|
bool same_name, bool after, int32_t *count);
|
|
|
|
static css_error node_is_empty(void *pw, void *node, bool *match);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error node_is_link(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_hover(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_active(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_focus(void *pw, void *node, bool *match);
|
2011-01-31 11:49:39 +03:00
|
|
|
static css_error node_is_enabled(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_disabled(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_checked(void *pw, void *node, bool *match);
|
|
|
|
static css_error node_is_target(void *pw, void *node, bool *match);
|
2009-07-24 03:05:34 +04:00
|
|
|
static css_error node_is_lang(void *pw, void *node,
|
|
|
|
lwc_string *lang, bool *match);
|
|
|
|
static css_error ua_default_for_property(void *pw, uint32_t property,
|
|
|
|
css_hint *hint);
|
2013-12-14 00:25:08 +04:00
|
|
|
static css_error set_libcss_node_data(void *pw, void *node,
|
|
|
|
void *libcss_node_data);
|
|
|
|
static css_error get_libcss_node_data(void *pw, void *node,
|
|
|
|
void **libcss_node_data);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
static css_error nscss_compute_font_size(void *pw, const css_hint *parent,
|
|
|
|
css_hint *size);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Selection callback table for libcss
|
|
|
|
*/
|
|
|
|
static css_select_handler selection_handler = {
|
2011-03-13 12:32:13 +03:00
|
|
|
CSS_SELECT_HANDLER_VERSION_1,
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
node_name,
|
2009-07-29 13:59:29 +04:00
|
|
|
node_classes,
|
|
|
|
node_id,
|
2009-07-24 03:05:34 +04:00
|
|
|
named_ancestor_node,
|
|
|
|
named_parent_node,
|
|
|
|
named_sibling_node,
|
2011-01-31 11:49:39 +03:00
|
|
|
named_generic_sibling_node,
|
2009-07-24 03:05:34 +04:00
|
|
|
parent_node,
|
|
|
|
sibling_node,
|
|
|
|
node_has_name,
|
|
|
|
node_has_class,
|
|
|
|
node_has_id,
|
|
|
|
node_has_attribute,
|
|
|
|
node_has_attribute_equal,
|
|
|
|
node_has_attribute_dashmatch,
|
|
|
|
node_has_attribute_includes,
|
2011-01-31 11:49:39 +03:00
|
|
|
node_has_attribute_prefix,
|
|
|
|
node_has_attribute_suffix,
|
|
|
|
node_has_attribute_substring,
|
|
|
|
node_is_root,
|
|
|
|
node_count_siblings,
|
|
|
|
node_is_empty,
|
2009-07-24 03:05:34 +04:00
|
|
|
node_is_link,
|
|
|
|
node_is_visited,
|
|
|
|
node_is_hover,
|
|
|
|
node_is_active,
|
|
|
|
node_is_focus,
|
2011-01-31 11:49:39 +03:00
|
|
|
node_is_enabled,
|
|
|
|
node_is_disabled,
|
|
|
|
node_is_checked,
|
|
|
|
node_is_target,
|
2009-07-24 03:05:34 +04:00
|
|
|
node_is_lang,
|
|
|
|
node_presentational_hint,
|
|
|
|
ua_default_for_property,
|
2013-12-14 00:25:08 +04:00
|
|
|
nscss_compute_font_size,
|
|
|
|
set_libcss_node_data,
|
|
|
|
get_libcss_node_data
|
2009-07-24 03:05:34 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create an inline style
|
|
|
|
*
|
|
|
|
* \param data Source data
|
|
|
|
* \param len Length of data in bytes
|
|
|
|
* \param charset Charset of data, or NULL if unknown
|
2014-09-18 21:07:52 +04:00
|
|
|
* \param url Base URL of document containing data
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param allow_quirks True to permit CSS parsing quirks
|
|
|
|
* \return Pointer to stylesheet, or NULL on failure.
|
|
|
|
*/
|
|
|
|
css_stylesheet *nscss_create_inline_style(const uint8_t *data, size_t len,
|
2013-12-14 00:25:08 +04:00
|
|
|
const char *charset, const char *url, bool allow_quirks)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2011-01-29 17:53:18 +03:00
|
|
|
css_stylesheet_params params;
|
2009-07-24 03:05:34 +04:00
|
|
|
css_stylesheet *sheet;
|
|
|
|
css_error error;
|
|
|
|
|
2011-03-13 12:32:13 +03:00
|
|
|
params.params_version = CSS_STYLESHEET_PARAMS_VERSION_1;
|
2011-01-29 17:53:18 +03:00
|
|
|
params.level = CSS_LEVEL_DEFAULT;
|
|
|
|
params.charset = charset;
|
|
|
|
params.url = url;
|
|
|
|
params.title = NULL;
|
|
|
|
params.allow_quirks = allow_quirks;
|
|
|
|
params.inline_style = true;
|
|
|
|
params.resolve = nscss_resolve_url;
|
|
|
|
params.resolve_pw = NULL;
|
|
|
|
params.import = NULL;
|
|
|
|
params.import_pw = NULL;
|
2014-01-10 18:32:29 +04:00
|
|
|
params.color = ns_system_colour;
|
2011-01-29 17:53:18 +03:00
|
|
|
params.color_pw = NULL;
|
2011-02-03 12:31:11 +03:00
|
|
|
params.font = NULL;
|
|
|
|
params.font_pw = NULL;
|
2011-01-29 17:53:18 +03:00
|
|
|
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_stylesheet_create(¶ms, &sheet);
|
2009-10-12 21:38:22 +04:00
|
|
|
if (error != CSS_OK) {
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("Failed creating sheet: %d", error);
|
2009-07-24 03:05:34 +04:00
|
|
|
return NULL;
|
2009-10-12 21:38:22 +04:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
error = css_stylesheet_append_data(sheet, data, len);
|
|
|
|
if (error != CSS_OK && error != CSS_NEEDDATA) {
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("failed appending data: %d", error);
|
2009-07-24 03:05:34 +04:00
|
|
|
css_stylesheet_destroy(sheet);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
error = css_stylesheet_data_done(sheet);
|
|
|
|
if (error != CSS_OK) {
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("failed completing parse: %d", error);
|
2009-07-24 03:05:34 +04:00
|
|
|
css_stylesheet_destroy(sheet);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return sheet;
|
|
|
|
}
|
|
|
|
|
2013-12-14 00:25:08 +04:00
|
|
|
/* Handler for libcss_node_data, stored as libdom node user data */
|
2013-12-01 23:15:14 +04:00
|
|
|
static void nscss_dom_user_data_handler(dom_node_operation operation,
|
|
|
|
dom_string *key, void *data, struct dom_node *src,
|
|
|
|
struct dom_node *dst)
|
|
|
|
{
|
2013-12-14 00:25:08 +04:00
|
|
|
css_error error;
|
2013-12-01 23:15:14 +04:00
|
|
|
|
2014-01-04 20:26:02 +04:00
|
|
|
if (dom_string_isequal(corestring_dom___ns_key_libcss_node_data,
|
|
|
|
key) == false || data == NULL) {
|
2013-12-01 23:15:14 +04:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (operation) {
|
|
|
|
case DOM_NODE_CLONED:
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_libcss_node_data_handler(&selection_handler,
|
|
|
|
CSS_NODE_CLONED,
|
|
|
|
NULL, src, dst, data);
|
|
|
|
if (error != CSS_OK)
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("Failed to clone libcss_node_data.");
|
2013-12-14 00:25:08 +04:00
|
|
|
break;
|
|
|
|
|
2013-12-01 23:15:14 +04:00
|
|
|
case DOM_NODE_RENAMED:
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_libcss_node_data_handler(&selection_handler,
|
|
|
|
CSS_NODE_MODIFIED,
|
|
|
|
NULL, src, NULL, data);
|
|
|
|
if (error != CSS_OK)
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("Failed to update libcss_node_data.");
|
2013-12-14 00:25:08 +04:00
|
|
|
break;
|
|
|
|
|
|
|
|
case DOM_NODE_IMPORTED:
|
2013-12-01 23:15:14 +04:00
|
|
|
case DOM_NODE_ADOPTED:
|
|
|
|
case DOM_NODE_DELETED:
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_libcss_node_data_handler(&selection_handler,
|
|
|
|
CSS_NODE_DELETED,
|
|
|
|
NULL, src, NULL, data);
|
|
|
|
if (error != CSS_OK)
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("Failed to delete libcss_node_data.");
|
2013-12-01 23:15:14 +04:00
|
|
|
break;
|
2013-12-14 00:25:08 +04:00
|
|
|
|
2013-12-01 23:15:14 +04:00
|
|
|
default:
|
2015-05-28 18:08:46 +03:00
|
|
|
LOG("User data operation not handled.");
|
2013-12-01 23:15:14 +04:00
|
|
|
assert(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
/**
|
2013-12-19 18:21:15 +04:00
|
|
|
* Get style selection results for an element
|
2009-07-24 03:05:34 +04:00
|
|
|
*
|
2011-05-07 00:40:09 +04:00
|
|
|
* \param ctx CSS selection context
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param n Element to select for
|
|
|
|
* \param media Permitted media types
|
|
|
|
* \param inline_style Inline style associated with element, or NULL
|
2013-12-19 18:21:15 +04:00
|
|
|
* \return Pointer to selection results (containing computed styles),
|
2011-01-05 22:36:05 +03:00
|
|
|
* or NULL on failure
|
2009-07-24 03:05:34 +04:00
|
|
|
*/
|
2012-03-24 22:48:14 +04:00
|
|
|
css_select_results *nscss_get_style(nscss_select_ctx *ctx, dom_node *n,
|
2013-12-14 00:25:08 +04:00
|
|
|
uint64_t media, const css_stylesheet *inline_style)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2011-01-05 22:36:05 +03:00
|
|
|
css_select_results *styles;
|
2013-12-19 18:21:15 +04:00
|
|
|
int pseudo_element;
|
2009-07-24 03:05:34 +04:00
|
|
|
css_error error;
|
|
|
|
|
2013-12-01 23:15:14 +04:00
|
|
|
/* Select style for node */
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_select_style(ctx->ctx, n, media, inline_style,
|
2011-05-07 00:40:09 +04:00
|
|
|
&selection_handler, ctx, &styles);
|
2013-12-19 18:21:15 +04:00
|
|
|
|
|
|
|
if (error != CSS_OK || styles == NULL) {
|
|
|
|
/* Failed selecting partial style -- bail out */
|
2009-07-24 03:05:34 +04:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
/* If there's a parent style, compose with partial to obtain
|
2013-12-19 18:21:15 +04:00
|
|
|
* complete computed style for element */
|
|
|
|
if (ctx->parent_style != NULL) {
|
|
|
|
/* Complete the computed style, by composing with the parent
|
|
|
|
* element's style */
|
|
|
|
error = css_computed_style_compose(ctx->parent_style,
|
|
|
|
styles->styles[CSS_PSEUDO_ELEMENT_NONE],
|
|
|
|
nscss_compute_font_size, NULL,
|
|
|
|
styles->styles[CSS_PSEUDO_ELEMENT_NONE]);
|
|
|
|
if (error != CSS_OK) {
|
|
|
|
css_select_results_destroy(styles);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (pseudo_element = CSS_PSEUDO_ELEMENT_NONE + 1;
|
|
|
|
pseudo_element < CSS_PSEUDO_ELEMENT_COUNT;
|
|
|
|
pseudo_element++) {
|
|
|
|
|
|
|
|
if (pseudo_element == CSS_PSEUDO_ELEMENT_FIRST_LETTER ||
|
|
|
|
pseudo_element == CSS_PSEUDO_ELEMENT_FIRST_LINE)
|
|
|
|
/* TODO: Handle first-line and first-letter pseudo
|
|
|
|
* element computed style completion */
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (styles->styles[pseudo_element] == NULL)
|
|
|
|
/* There were no rules concerning this pseudo element */
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Complete the pseudo element's computed style, by composing
|
|
|
|
* with the base element's style */
|
|
|
|
error = css_computed_style_compose(
|
|
|
|
styles->styles[CSS_PSEUDO_ELEMENT_NONE],
|
|
|
|
styles->styles[pseudo_element],
|
|
|
|
nscss_compute_font_size, NULL,
|
|
|
|
styles->styles[pseudo_element]);
|
|
|
|
if (error != CSS_OK) {
|
|
|
|
/* TODO: perhaps this shouldn't be quite so
|
|
|
|
* catastrophic? */
|
|
|
|
css_select_results_destroy(styles);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-01-05 22:36:05 +03:00
|
|
|
return styles;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get an initial style
|
|
|
|
*
|
2011-05-07 00:40:09 +04:00
|
|
|
* \param ctx CSS selection context
|
2009-07-24 03:05:34 +04:00
|
|
|
* \return Pointer to partial computed style, or NULL on failure
|
|
|
|
*/
|
2013-12-19 18:21:15 +04:00
|
|
|
static css_computed_style *nscss_get_initial_style(nscss_select_ctx *ctx)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
|
|
|
css_computed_style *style;
|
|
|
|
css_error error;
|
|
|
|
|
2013-12-14 00:25:08 +04:00
|
|
|
error = css_computed_style_create(&style);
|
2009-07-24 03:05:34 +04:00
|
|
|
if (error != CSS_OK)
|
|
|
|
return NULL;
|
|
|
|
|
2011-05-07 00:40:09 +04:00
|
|
|
error = css_computed_style_initialise(style, &selection_handler, ctx);
|
2009-07-24 03:05:34 +04:00
|
|
|
if (error != CSS_OK) {
|
|
|
|
css_computed_style_destroy(style);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return style;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get a blank style
|
|
|
|
*
|
2011-05-07 00:40:09 +04:00
|
|
|
* \param ctx CSS selection context
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param parent Parent style to cascade inherited properties from
|
|
|
|
* \return Pointer to blank style, or NULL on failure
|
|
|
|
*/
|
2011-05-07 00:40:09 +04:00
|
|
|
css_computed_style *nscss_get_blank_style(nscss_select_ctx *ctx,
|
2013-12-14 00:25:08 +04:00
|
|
|
const css_computed_style *parent)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
|
|
|
css_computed_style *partial;
|
|
|
|
css_error error;
|
|
|
|
|
2013-12-14 00:25:08 +04:00
|
|
|
partial = nscss_get_initial_style(ctx);
|
2009-07-24 03:05:34 +04:00
|
|
|
if (partial == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
error = css_computed_style_compose(parent, partial,
|
|
|
|
nscss_compute_font_size, NULL, partial);
|
|
|
|
if (error != CSS_OK) {
|
|
|
|
css_computed_style_destroy(partial);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return partial;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Font size computation callback for libcss
|
|
|
|
*
|
|
|
|
* \param pw Computation context
|
|
|
|
* \param parent Parent font size (absolute)
|
|
|
|
* \param size Font size to compute
|
|
|
|
* \return CSS_OK on success
|
|
|
|
*
|
|
|
|
* \post \a size will be an absolute font size
|
|
|
|
*/
|
|
|
|
css_error nscss_compute_font_size(void *pw, const css_hint *parent,
|
|
|
|
css_hint *size)
|
|
|
|
{
|
|
|
|
/**
|
|
|
|
* Table of font-size keyword scale factors
|
|
|
|
*
|
|
|
|
* These are multiplied by the configured default font size
|
|
|
|
* to produce an absolute size for the relevant keyword
|
|
|
|
*/
|
|
|
|
static const css_fixed factors[] = {
|
|
|
|
FLTTOFIX(0.5625), /* xx-small */
|
|
|
|
FLTTOFIX(0.6250), /* x-small */
|
|
|
|
FLTTOFIX(0.8125), /* small */
|
|
|
|
FLTTOFIX(1.0000), /* medium */
|
|
|
|
FLTTOFIX(1.1250), /* large */
|
|
|
|
FLTTOFIX(1.5000), /* x-large */
|
|
|
|
FLTTOFIX(2.0000) /* xx-large */
|
|
|
|
};
|
|
|
|
css_hint_length parent_size;
|
|
|
|
|
|
|
|
/* Grab parent size, defaulting to medium if none */
|
|
|
|
if (parent == NULL) {
|
2011-03-12 20:46:11 +03:00
|
|
|
parent_size.value = FDIV(FMUL(factors[CSS_FONT_SIZE_MEDIUM - 1],
|
2013-12-01 23:15:14 +04:00
|
|
|
INTTOFIX(nsoption_int(font_size))),
|
|
|
|
INTTOFIX(10));
|
2009-07-24 03:05:34 +04:00
|
|
|
parent_size.unit = CSS_UNIT_PT;
|
|
|
|
} else {
|
|
|
|
assert(parent->status == CSS_FONT_SIZE_DIMENSION);
|
|
|
|
assert(parent->data.length.unit != CSS_UNIT_EM);
|
|
|
|
assert(parent->data.length.unit != CSS_UNIT_EX);
|
|
|
|
assert(parent->data.length.unit != CSS_UNIT_PCT);
|
|
|
|
|
|
|
|
parent_size = parent->data.length;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert(size->status != CSS_FONT_SIZE_INHERIT);
|
|
|
|
|
|
|
|
if (size->status < CSS_FONT_SIZE_LARGER) {
|
|
|
|
/* Keyword -- simple */
|
2011-03-12 20:46:11 +03:00
|
|
|
size->data.length.value = FDIV(FMUL(factors[size->status - 1],
|
2013-12-01 23:15:14 +04:00
|
|
|
INTTOFIX(nsoption_int(font_size))), F_10);
|
2009-07-24 03:05:34 +04:00
|
|
|
size->data.length.unit = CSS_UNIT_PT;
|
|
|
|
} else if (size->status == CSS_FONT_SIZE_LARGER) {
|
|
|
|
/** \todo Step within table, if appropriate */
|
|
|
|
size->data.length.value =
|
|
|
|
FMUL(parent_size.value, FLTTOFIX(1.2));
|
|
|
|
size->data.length.unit = parent_size.unit;
|
|
|
|
} else if (size->status == CSS_FONT_SIZE_SMALLER) {
|
|
|
|
/** \todo Step within table, if appropriate */
|
|
|
|
size->data.length.value =
|
|
|
|
FDIV(parent_size.value, FLTTOFIX(1.2));
|
|
|
|
size->data.length.unit = parent_size.unit;
|
|
|
|
} else if (size->data.length.unit == CSS_UNIT_EM ||
|
|
|
|
size->data.length.unit == CSS_UNIT_EX) {
|
|
|
|
size->data.length.value =
|
|
|
|
FMUL(size->data.length.value, parent_size.value);
|
|
|
|
|
|
|
|
if (size->data.length.unit == CSS_UNIT_EX) {
|
|
|
|
/* 1ex = 0.6em in NetSurf */
|
|
|
|
size->data.length.value = FMUL(size->data.length.value,
|
|
|
|
FLTTOFIX(0.6));
|
|
|
|
}
|
|
|
|
|
|
|
|
size->data.length.unit = parent_size.unit;
|
|
|
|
} else if (size->data.length.unit == CSS_UNIT_PCT) {
|
|
|
|
size->data.length.value = FDIV(FMUL(size->data.length.value,
|
|
|
|
parent_size.value), INTTOFIX(100));
|
|
|
|
size->data.length.unit = parent_size.unit;
|
|
|
|
}
|
|
|
|
|
|
|
|
size->status = CSS_FONT_SIZE_DIMENSION;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
* Style selection callbacks *
|
|
|
|
******************************************************************************/
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to retrieve a node's name.
|
|
|
|
*
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param qname Pointer to location to receive node name
|
2009-07-24 03:05:34 +04:00
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*/
|
2011-03-12 20:51:59 +03:00
|
|
|
css_error node_name(void *pw, void *node, css_qname *qname)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
err = dom_node_get_node_name(n, &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2011-03-12 20:51:59 +03:00
|
|
|
qname->ns = NULL;
|
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_string_intern(name, &qname->name);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_string_unref(name);
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_string_unref(name);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2011-10-08 04:21:59 +04:00
|
|
|
return CSS_OK;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
|
|
|
|
2009-07-29 13:59:29 +04:00
|
|
|
/**
|
|
|
|
* Callback to retrieve a node's classes.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param classes Pointer to location to receive class name array
|
|
|
|
* \param n_classes Pointer to location to receive length of class name array
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
2009-09-05 19:49:09 +04:00
|
|
|
* \note The returned array will be destroyed by libcss. Therefore, it must
|
|
|
|
* be allocated using the same allocator as used by libcss during style
|
2009-07-29 13:59:29 +04:00
|
|
|
* selection.
|
|
|
|
*/
|
2016-05-26 13:18:41 +03:00
|
|
|
css_error node_classes(void *pw, void *node,
|
2010-03-28 16:56:39 +04:00
|
|
|
lwc_string ***classes, uint32_t *n_classes)
|
2009-07-29 13:59:29 +04:00
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_exception err;
|
2009-07-29 13:59:29 +04:00
|
|
|
|
|
|
|
*classes = NULL;
|
|
|
|
*n_classes = 0;
|
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_element_get_classes(n, classes, n_classes);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
2009-07-29 13:59:29 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to retrieve a node's ID.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param id Pointer to location to receive id value
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*/
|
2010-03-28 16:56:39 +04:00
|
|
|
css_error node_id(void *pw, void *node, lwc_string **id)
|
2009-07-29 13:59:29 +04:00
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *attr;
|
|
|
|
dom_exception err;
|
2009-07-29 13:59:29 +04:00
|
|
|
|
|
|
|
*id = NULL;
|
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
/** \todo Assumes an HTML DOM */
|
|
|
|
err = dom_html_element_get_id(n, &attr);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
if (attr != NULL) {
|
|
|
|
err = dom_string_intern(attr, id);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_string_unref(attr);
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
2012-07-23 00:50:58 +04:00
|
|
|
dom_string_unref(attr);
|
2012-03-24 22:48:14 +04:00
|
|
|
}
|
2009-07-29 13:59:29 +04:00
|
|
|
|
2011-10-08 04:21:59 +04:00
|
|
|
return CSS_OK;
|
2009-07-29 13:59:29 +04:00
|
|
|
}
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
/**
|
|
|
|
* Callback to find a named ancestor node.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Node name to search for
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param ancestor Pointer to location to receive ancestor
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a ancestor will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error named_ancestor_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **ancestor)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-28 16:49:39 +04:00
|
|
|
dom_element_named_ancestor_node(node, qname->name,
|
|
|
|
(struct dom_element **)ancestor);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to find a named parent node
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Node name to search for
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param parent Pointer to location to receive parent
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a parent will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error named_parent_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **parent)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-28 16:49:39 +04:00
|
|
|
dom_element_named_parent_node(node, qname->name,
|
|
|
|
(struct dom_element **)parent);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to find a named sibling node.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Node name to search for
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param sibling Pointer to location to receive sibling
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a sibling will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error named_sibling_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **sibling)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_node *prev;
|
|
|
|
dom_exception err;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
*sibling = NULL;
|
|
|
|
|
2011-02-01 01:31:47 +03:00
|
|
|
/* Find sibling element */
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_node_get_previous_sibling(n, &n);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_OK;
|
|
|
|
|
|
|
|
while (n != NULL) {
|
|
|
|
dom_node_type type;
|
|
|
|
|
|
|
|
err = dom_node_get_node_type(n, &type);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (type == DOM_ELEMENT_NODE)
|
2011-02-01 01:31:47 +03:00
|
|
|
break;
|
2012-03-24 22:48:14 +04:00
|
|
|
|
|
|
|
err = dom_node_get_previous_sibling(n, &prev);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_node_unref(n);
|
|
|
|
n = prev;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
if (n != NULL) {
|
|
|
|
dom_string *name;
|
2011-10-08 04:21:59 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_node_get_node_name(n, &name);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2011-10-08 04:21:59 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node_unref(n);
|
|
|
|
|
|
|
|
if (dom_string_caseless_lwc_isequal(name, qname->name)) {
|
|
|
|
*sibling = n;
|
|
|
|
}
|
2012-07-23 00:22:05 +04:00
|
|
|
|
|
|
|
dom_string_unref(name);
|
2012-03-24 22:48:14 +04:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
/**
|
|
|
|
* Callback to find a named generic sibling node.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Node name to search for
|
2011-01-31 11:49:39 +03:00
|
|
|
* \param sibling Pointer to location to receive ancestor
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a sibling will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error named_generic_sibling_node(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, void **sibling)
|
2011-01-31 11:49:39 +03:00
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_node *prev;
|
|
|
|
dom_exception err;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
|
|
|
*sibling = NULL;
|
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_node_get_previous_sibling(n, &n);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_OK;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
while (n != NULL) {
|
|
|
|
dom_node_type type;
|
|
|
|
dom_string *name;
|
2011-10-08 04:21:59 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_node_get_node_type(n, &type);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
2011-01-31 11:49:39 +03:00
|
|
|
}
|
2012-03-24 22:48:14 +04:00
|
|
|
|
|
|
|
if (type == DOM_ELEMENT_NODE) {
|
|
|
|
err = dom_node_get_node_name(n, &name);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
if (dom_string_caseless_lwc_isequal(name,
|
2012-03-24 22:48:14 +04:00
|
|
|
qname->name)) {
|
2012-07-23 16:21:57 +04:00
|
|
|
dom_string_unref(name);
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node_unref(n);
|
|
|
|
*sibling = n;
|
|
|
|
break;
|
|
|
|
}
|
2012-07-23 16:21:57 +04:00
|
|
|
dom_string_unref(name);
|
2012-03-24 22:48:14 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
err = dom_node_get_previous_sibling(n, &prev);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_node_unref(n);
|
|
|
|
n = prev;
|
2011-01-31 11:49:39 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
/**
|
|
|
|
* Callback to retrieve the parent of a node.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param parent Pointer to location to receive parent
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a parent will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error parent_node(void *pw, void *node, void **parent)
|
|
|
|
{
|
2012-03-28 16:49:39 +04:00
|
|
|
dom_element_parent_node(node, (struct dom_element **)parent);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to retrieve the preceding sibling of a node.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param sibling Pointer to location to receive sibling
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a sibling will contain the result, or NULL if there is no match
|
|
|
|
*/
|
|
|
|
css_error sibling_node(void *pw, void *node, void **sibling)
|
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_node *prev;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
*sibling = NULL;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2011-02-01 01:31:47 +03:00
|
|
|
/* Find sibling element */
|
2012-03-24 22:48:14 +04:00
|
|
|
err = dom_node_get_previous_sibling(n, &n);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_OK;
|
|
|
|
|
|
|
|
while (n != NULL) {
|
|
|
|
dom_node_type type;
|
|
|
|
|
|
|
|
err = dom_node_get_node_type(n, &type);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (type == DOM_ELEMENT_NODE)
|
2011-02-01 01:31:47 +03:00
|
|
|
break;
|
2012-03-24 22:48:14 +04:00
|
|
|
|
|
|
|
err = dom_node_get_previous_sibling(n, &prev);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_node_unref(n);
|
|
|
|
n = prev;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
if (n != NULL) {
|
|
|
|
/** \todo Sort out reference counting */
|
|
|
|
dom_node_unref(n);
|
|
|
|
|
|
|
|
*sibling = n;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has the given name.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_name(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, bool *match)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2011-10-08 04:21:59 +04:00
|
|
|
nscss_select_ctx *ctx = pw;
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-11-28 15:29:22 +04:00
|
|
|
if (lwc_string_isequal(qname->name, ctx->universal, match) ==
|
|
|
|
lwc_error_ok && *match == false) {
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_string *name;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
err = dom_node_get_node_name(n, &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_OK;
|
|
|
|
|
2011-03-12 21:29:40 +03:00
|
|
|
/* Element names are case insensitive in HTML */
|
2012-03-24 22:48:14 +04:00
|
|
|
*match = dom_string_caseless_lwc_isequal(name, qname->name);
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has the given class.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param name Name to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_class(void *pw, void *node,
|
|
|
|
lwc_string *name, bool *match)
|
|
|
|
{
|
2012-03-24 22:48:14 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_exception err;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
/** \todo: Ensure that libdom performs case-insensitive
|
2012-03-24 22:48:14 +04:00
|
|
|
* matching in quirks mode */
|
|
|
|
err = dom_element_has_class(n, name, match);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-24 22:48:14 +04:00
|
|
|
assert(err == DOM_NO_ERR);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has the given id.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param name Name to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_id(void *pw, void *node,
|
|
|
|
lwc_string *name, bool *match)
|
|
|
|
{
|
2012-03-24 23:40:06 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *attr;
|
|
|
|
dom_exception err;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
2012-03-24 23:40:06 +04:00
|
|
|
/** \todo Assumes an HTML DOM */
|
|
|
|
err = dom_html_element_get_id(n, &attr);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_OK;
|
|
|
|
|
|
|
|
if (attr != NULL) {
|
|
|
|
*match = dom_string_lwc_isequal(attr, name);
|
|
|
|
|
|
|
|
dom_string_unref(attr);
|
2012-03-22 13:34:34 +04:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with the given name.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, bool *match)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-24 23:40:06 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-24 23:40:06 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
2009-09-05 19:49:09 +04:00
|
|
|
|
2012-03-24 23:40:06 +04:00
|
|
|
err = dom_element_has_attribute(n, name, match);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_string_unref(name);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with given name and value.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_equal(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
|
|
|
|
2011-02-01 01:31:47 +03:00
|
|
|
size_t vlen = lwc_string_length(value);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
if (vlen == 0) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 01:35:02 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
|
|
|
|
*match = dom_string_caseless_lwc_isequal(atr_val, value);
|
|
|
|
|
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with the given name whose
|
|
|
|
* value dashmatches that given.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_dashmatch(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
|
|
|
|
2011-02-01 01:31:47 +03:00
|
|
|
size_t vlen = lwc_string_length(value);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
if (vlen == 0) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 01:35:02 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
/* check for exact match */
|
|
|
|
*match = dom_string_caseless_lwc_isequal(atr_val, value);
|
|
|
|
|
|
|
|
/* check for dashmatch */
|
|
|
|
if (*match == false) {
|
|
|
|
const char *vdata = lwc_string_data(value);
|
|
|
|
const char *data = (const char *) dom_string_data(atr_val);
|
|
|
|
size_t len = dom_string_byte_length(atr_val);
|
|
|
|
|
|
|
|
if (len > vlen && data[vlen] == '-' &&
|
|
|
|
strncasecmp(data, vdata, vlen) == 0) {
|
|
|
|
*match = true;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with the given name whose
|
|
|
|
* value includes that given.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_includes(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2009-07-24 03:05:34 +04:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
2009-07-24 03:05:34 +04:00
|
|
|
size_t vlen = lwc_string_length(value);
|
2012-03-25 01:35:02 +04:00
|
|
|
const char *p;
|
|
|
|
const char *start;
|
|
|
|
const char *end;
|
|
|
|
|
2012-08-07 18:16:50 +04:00
|
|
|
*match = false;
|
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
if (vlen == 0) {
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 01:35:02 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
|
|
|
|
|
|
|
/* check for match */
|
|
|
|
start = (const char *) dom_string_data(atr_val);
|
|
|
|
end = start + dom_string_byte_length(atr_val);
|
|
|
|
|
|
|
|
for (p = start; p <= end; p++) {
|
|
|
|
if (*p == ' ' || *p == '\0') {
|
|
|
|
if ((size_t) (p - start) == vlen &&
|
|
|
|
strncasecmp(start,
|
|
|
|
lwc_string_data(value),
|
|
|
|
vlen) == 0) {
|
|
|
|
*match = true;
|
|
|
|
break;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
start = p + 1;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
}
|
|
|
|
|
2012-03-25 01:35:02 +04:00
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with the given name whose
|
|
|
|
* value has the prefix given.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2011-01-31 11:49:39 +03:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_prefix(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
size_t vlen = lwc_string_length(value);
|
|
|
|
|
|
|
|
if (vlen == 0) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 02:21:25 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
|
|
|
|
|
|
|
/* check for exact match */
|
|
|
|
*match = dom_string_caseless_lwc_isequal(atr_val, value);
|
|
|
|
|
|
|
|
/* check for prefix match */
|
|
|
|
if (*match == false) {
|
|
|
|
const char *data = (const char *) dom_string_data(atr_val);
|
|
|
|
size_t len = dom_string_byte_length(atr_val);
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
if ((len >= vlen) &&
|
2012-03-25 02:21:25 +04:00
|
|
|
(strncasecmp(data, lwc_string_data(value), vlen) == 0)) {
|
|
|
|
*match = true;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2011-01-31 11:49:39 +03:00
|
|
|
* Callback to determine if a node has an attribute with the given name whose
|
|
|
|
* value has the suffix given.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2011-01-31 11:49:39 +03:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_suffix(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
size_t vlen = lwc_string_length(value);
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
if (vlen == 0) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 02:21:25 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
|
|
|
|
|
|
|
/* check for exact match */
|
|
|
|
*match = dom_string_caseless_lwc_isequal(atr_val, value);
|
|
|
|
|
|
|
|
/* check for prefix match */
|
|
|
|
if (*match == false) {
|
|
|
|
const char *data = (const char *) dom_string_data(atr_val);
|
|
|
|
size_t len = dom_string_byte_length(atr_val);
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
const char *start = (char *) data + len - vlen;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
if ((len >= vlen) &&
|
2012-03-25 02:21:25 +04:00
|
|
|
(strncasecmp(start, lwc_string_data(value), vlen) == 0)) {
|
|
|
|
*match = true;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2012-03-25 02:21:25 +04:00
|
|
|
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
}
|
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has an attribute with the given name whose
|
|
|
|
* value contains the substring given.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
2011-03-12 20:51:59 +03:00
|
|
|
* \param qname Name to match
|
2011-01-31 11:49:39 +03:00
|
|
|
* \param value Value to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_NOMEM on memory exhaustion.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_has_attribute_substring(void *pw, void *node,
|
2011-03-12 20:51:59 +03:00
|
|
|
const css_qname *qname, lwc_string *value,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool *match)
|
|
|
|
{
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *name;
|
|
|
|
dom_string *atr_val;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
size_t vlen = lwc_string_length(value);
|
|
|
|
|
|
|
|
if (vlen == 0) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = dom_string_create_interned(
|
2016-05-26 13:18:41 +03:00
|
|
|
(const uint8_t *) lwc_string_data(qname->name),
|
2012-03-25 02:21:25 +04:00
|
|
|
lwc_string_length(qname->name), &name);
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
err = dom_element_get_attribute(n, name, &atr_val);
|
2012-03-25 02:42:14 +04:00
|
|
|
if ((err != DOM_NO_ERR) || (atr_val == NULL)) {
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(name);
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
dom_string_unref(name);
|
|
|
|
|
|
|
|
/* check for exact match */
|
|
|
|
*match = dom_string_caseless_lwc_isequal(atr_val, value);
|
|
|
|
|
|
|
|
/* check for prefix match */
|
|
|
|
if (*match == false) {
|
|
|
|
const char *vdata = lwc_string_data(value);
|
|
|
|
const char *start = (const char *) dom_string_data(atr_val);
|
|
|
|
size_t len = dom_string_byte_length(atr_val);
|
|
|
|
const char *last_start = start + len - vlen;
|
|
|
|
|
|
|
|
if (len >= vlen) {
|
|
|
|
while (start <= last_start) {
|
2016-05-26 13:18:41 +03:00
|
|
|
if (strncasecmp(start, vdata,
|
2012-03-25 02:21:25 +04:00
|
|
|
vlen) == 0) {
|
|
|
|
*match = true;
|
|
|
|
break;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
start++;
|
|
|
|
}
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
}
|
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_string_unref(atr_val);
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is the root node of the document.
|
2009-07-24 03:05:34 +04:00
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
2011-01-31 11:49:39 +03:00
|
|
|
css_error node_is_root(void *pw, void *node, bool *match)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-25 02:21:25 +04:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_node *parent;
|
|
|
|
dom_node_type type;
|
|
|
|
dom_exception err;
|
|
|
|
|
|
|
|
err = dom_node_get_parent_node(n, &parent);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
if (parent != NULL) {
|
|
|
|
err = dom_node_get_node_type(parent, &type);
|
|
|
|
|
|
|
|
dom_node_unref(parent);
|
|
|
|
|
|
|
|
if (err != DOM_NO_ERR)
|
|
|
|
return CSS_NOMEM;
|
|
|
|
|
|
|
|
if (type != DOM_DOCUMENT_NODE) {
|
|
|
|
*match = false;
|
|
|
|
return CSS_OK;
|
2016-05-26 13:18:41 +03:00
|
|
|
}
|
2012-03-25 02:21:25 +04:00
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 02:21:25 +04:00
|
|
|
*match = true;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
static int
|
|
|
|
node_count_siblings_check(dom_node *node,
|
|
|
|
bool check_name,
|
2012-03-25 13:26:39 +04:00
|
|
|
dom_string *name)
|
2012-03-25 13:23:41 +04:00
|
|
|
{
|
|
|
|
dom_node_type type;
|
|
|
|
int ret = 0;
|
2012-03-25 13:26:39 +04:00
|
|
|
dom_exception exc;
|
2012-03-25 13:23:41 +04:00
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
if (node == NULL)
|
2012-03-25 13:23:41 +04:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
exc = dom_node_get_node_type(node, &type);
|
|
|
|
if ((exc != DOM_NO_ERR) || (type != DOM_ELEMENT_NODE)) {
|
|
|
|
return 0;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
if (check_name) {
|
2012-03-25 13:26:39 +04:00
|
|
|
dom_string *node_name = NULL;
|
2012-03-25 13:23:41 +04:00
|
|
|
exc = dom_node_get_node_name(node, &node_name);
|
|
|
|
|
|
|
|
if ((exc == DOM_NO_ERR) && (node_name != NULL)) {
|
|
|
|
|
2016-05-26 13:18:41 +03:00
|
|
|
if (dom_string_caseless_isequal(name,
|
2012-03-25 13:23:41 +04:00
|
|
|
node_name)) {
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
dom_string_unref(node_name);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ret = 1;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
return ret;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
/**
|
|
|
|
* Callback to count a node's siblings.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
2014-11-09 18:28:03 +03:00
|
|
|
* \param n DOM node
|
2011-01-31 11:49:39 +03:00
|
|
|
* \param same_name Only count siblings with the same name, or all
|
|
|
|
* \param after Count anteceding instead of preceding siblings
|
|
|
|
* \param count Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a count will contain the number of siblings
|
|
|
|
*/
|
2012-03-25 13:23:41 +04:00
|
|
|
css_error node_count_siblings(void *pw, void *n, bool same_name,
|
2011-01-31 11:49:39 +03:00
|
|
|
bool after, int32_t *count)
|
|
|
|
{
|
|
|
|
int32_t cnt = 0;
|
2012-03-25 13:23:41 +04:00
|
|
|
dom_exception exc;
|
2012-03-25 13:26:39 +04:00
|
|
|
dom_string *node_name = NULL;
|
2011-01-31 11:49:39 +03:00
|
|
|
|
2011-10-08 04:21:59 +04:00
|
|
|
if (same_name) {
|
2012-03-25 13:23:41 +04:00
|
|
|
dom_node *node = n;
|
|
|
|
exc = dom_node_get_node_name(node, &node_name);
|
|
|
|
if ((exc != DOM_NO_ERR) || (node_name == NULL)) {
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
if (after) {
|
|
|
|
dom_node *node = dom_node_ref(n);
|
|
|
|
dom_node *next;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2011-10-08 04:21:59 +04:00
|
|
|
do {
|
2012-03-25 13:23:41 +04:00
|
|
|
exc = dom_node_get_next_sibling(node, &next);
|
|
|
|
if ((exc != DOM_NO_ERR))
|
|
|
|
break;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
dom_node_unref(node);
|
|
|
|
node = next;
|
2011-10-08 04:21:59 +04:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
cnt += node_count_siblings_check(node, same_name, node_name);
|
|
|
|
} while (node != NULL);
|
2011-10-08 04:21:59 +04:00
|
|
|
} else {
|
2012-03-25 13:23:41 +04:00
|
|
|
dom_node *node = dom_node_ref(n);
|
|
|
|
dom_node *next;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2011-10-08 04:21:59 +04:00
|
|
|
do {
|
2012-03-25 13:23:41 +04:00
|
|
|
exc = dom_node_get_previous_sibling(node, &next);
|
|
|
|
if ((exc != DOM_NO_ERR))
|
|
|
|
break;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
dom_node_unref(node);
|
|
|
|
node = next;
|
2011-10-08 04:21:59 +04:00
|
|
|
|
2012-03-25 13:23:41 +04:00
|
|
|
cnt += node_count_siblings_check(node, same_name, node_name);
|
|
|
|
|
|
|
|
} while (node != NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (node_name != NULL) {
|
2016-05-26 13:18:41 +03:00
|
|
|
dom_string_unref(node_name);
|
2011-10-08 04:21:59 +04:00
|
|
|
}
|
2011-01-31 11:49:39 +03:00
|
|
|
|
|
|
|
*count = cnt;
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is empty.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node is empty and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_empty(void *pw, void *node, bool *match)
|
|
|
|
{
|
2012-03-25 12:55:27 +04:00
|
|
|
dom_node *n = node, *next;
|
|
|
|
dom_exception err;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2011-02-01 01:31:47 +03:00
|
|
|
*match = true;
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 12:55:27 +04:00
|
|
|
err = dom_node_get_first_child(n, &n);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
return CSS_BADPARM;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 12:55:27 +04:00
|
|
|
while (n != NULL) {
|
|
|
|
dom_node_type ntype;
|
|
|
|
err = dom_node_get_node_type(n, &ntype);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_BADPARM;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 12:55:27 +04:00
|
|
|
if (ntype == DOM_ELEMENT_NODE ||
|
|
|
|
ntype == DOM_TEXT_NODE) {
|
2011-02-01 01:31:47 +03:00
|
|
|
*match = false;
|
2012-03-25 12:55:27 +04:00
|
|
|
dom_node_unref(n);
|
2011-02-01 01:31:47 +03:00
|
|
|
break;
|
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2012-03-25 12:55:27 +04:00
|
|
|
err = dom_node_get_next_sibling(n, &next);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
dom_node_unref(n);
|
|
|
|
return CSS_BADPARM;
|
|
|
|
}
|
|
|
|
dom_node_unref(n);
|
|
|
|
n = next;
|
2011-02-01 01:31:47 +03:00
|
|
|
}
|
2016-05-26 13:18:41 +03:00
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is a linking element.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
2012-03-25 15:14:19 +04:00
|
|
|
* \param n DOM node
|
2009-07-24 03:05:34 +04:00
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
2012-03-25 15:14:19 +04:00
|
|
|
css_error node_is_link(void *pw, void *n, bool *match)
|
2009-07-24 03:05:34 +04:00
|
|
|
{
|
2012-03-25 15:14:19 +04:00
|
|
|
dom_node *node = n;
|
|
|
|
dom_exception exc;
|
|
|
|
dom_string *node_name = NULL;
|
|
|
|
|
|
|
|
exc = dom_node_get_node_name(node, &node_name);
|
|
|
|
if ((exc != DOM_NO_ERR) || (node_name == NULL)) {
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
|
|
|
|
2012-07-22 18:48:55 +04:00
|
|
|
if (dom_string_caseless_lwc_isequal(node_name, corestring_lwc_a)) {
|
2012-03-25 15:14:19 +04:00
|
|
|
bool has_href;
|
2012-07-22 18:48:55 +04:00
|
|
|
exc = dom_element_has_attribute(node, corestring_dom_href,
|
2016-05-26 13:18:41 +03:00
|
|
|
&has_href);
|
2012-03-25 15:14:19 +04:00
|
|
|
if ((exc == DOM_NO_ERR) && (has_href)) {
|
|
|
|
*match = true;
|
|
|
|
} else {
|
|
|
|
*match = false;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
*match = false;
|
|
|
|
}
|
|
|
|
dom_string_unref(node_name);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2009-09-05 19:49:09 +04:00
|
|
|
* Callback to determine if a node is a linking element whose target has been
|
2009-07-24 03:05:34 +04:00
|
|
|
* visited.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_visited(void *pw, void *node, bool *match)
|
|
|
|
{
|
2011-05-07 00:40:09 +04:00
|
|
|
nscss_select_ctx *ctx = pw;
|
2013-05-16 21:18:06 +04:00
|
|
|
nsurl *url;
|
|
|
|
nserror error;
|
|
|
|
const struct url_data *data;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
dom_exception exc;
|
|
|
|
dom_node *n = node;
|
|
|
|
dom_string *s = NULL;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-12-07 04:08:52 +04:00
|
|
|
*match = false;
|
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
exc = dom_node_get_node_name(n, &s);
|
|
|
|
if ((exc != DOM_NO_ERR) || (s == NULL)) {
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
if (!dom_string_caseless_lwc_isequal(s, corestring_lwc_a)) {
|
|
|
|
/* Can't be visited; not ancher element */
|
|
|
|
dom_string_unref(s);
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
/* Finished with node name string */
|
|
|
|
dom_string_unref(s);
|
|
|
|
s = NULL;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
exc = dom_element_get_attribute(n, corestring_dom_href, &s);
|
|
|
|
if ((exc != DOM_NO_ERR) || (s == NULL)) {
|
|
|
|
/* Can't be visited; not got a URL */
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
/* Make href absolute */
|
|
|
|
/* TODO: this duplicates what we do for box->href
|
|
|
|
* should we put the absolute URL on the dom node? */
|
|
|
|
error = nsurl_join(ctx->base_url, dom_string_data(s), &url);
|
|
|
|
|
|
|
|
/* Finished with href string */
|
|
|
|
dom_string_unref(s);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2013-05-16 21:18:06 +04:00
|
|
|
if (error != NSERROR_OK) {
|
|
|
|
/* Couldn't make nsurl object */
|
|
|
|
return CSS_NOMEM;
|
2009-07-24 03:05:34 +04:00
|
|
|
}
|
2013-05-16 21:18:06 +04:00
|
|
|
|
|
|
|
data = urldb_get_url_data(url);
|
|
|
|
|
|
|
|
/* Visited if in the db and has
|
|
|
|
* non-zero visit count */
|
|
|
|
if (data != NULL && data->visits > 0)
|
|
|
|
*match = true;
|
|
|
|
|
|
|
|
nsurl_unref(url);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is currently being hovered over.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_hover(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support hovering */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is currently activated.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_active(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support active nodes */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node has the input focus.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_focus(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support focussed nodes */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2011-01-31 11:49:39 +03:00
|
|
|
/**
|
|
|
|
* Callback to determine if a node is enabled.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match with contain true if the node is enabled and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_enabled(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support enabled nodes */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is disabled.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match with contain true if the node is disabled and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_disabled(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support disabled nodes */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is checked.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match with contain true if the node is checked and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_checked(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support checked nodes */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Callback to determine if a node is the target of the document URL.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match with contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_target(void *pw, void *node, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support target */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2009-07-24 03:05:34 +04:00
|
|
|
/**
|
|
|
|
* Callback to determine if a node has the given language
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param node DOM node
|
|
|
|
* \param lang Language specifier to match
|
|
|
|
* \param match Pointer to location to receive result
|
|
|
|
* \return CSS_OK.
|
|
|
|
*
|
|
|
|
* \post \a match will contain true if the node matches and false otherwise.
|
|
|
|
*/
|
|
|
|
css_error node_is_lang(void *pw, void *node,
|
|
|
|
lwc_string *lang, bool *match)
|
|
|
|
{
|
|
|
|
/** \todo Support languages */
|
|
|
|
|
|
|
|
*match = false;
|
|
|
|
|
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
/**
|
|
|
|
* Callback to retrieve the User-Agent defaults for a CSS property.
|
|
|
|
*
|
|
|
|
* \param pw HTML document
|
|
|
|
* \param property Property to retrieve defaults for
|
|
|
|
* \param hint Pointer to hint object to populate
|
|
|
|
* \return CSS_OK on success,
|
|
|
|
* CSS_INVALID if the property should not have a user-agent default.
|
|
|
|
*/
|
|
|
|
css_error ua_default_for_property(void *pw, uint32_t property, css_hint *hint)
|
2012-03-25 18:38:37 +04:00
|
|
|
{
|
2015-05-03 18:10:15 +03:00
|
|
|
if (property == CSS_PROP_COLOR) {
|
|
|
|
hint->data.color = 0xff000000;
|
|
|
|
hint->status = CSS_COLOR_COLOR;
|
|
|
|
} else if (property == CSS_PROP_FONT_FAMILY) {
|
|
|
|
hint->data.strings = NULL;
|
|
|
|
switch (nsoption_int(font_default)) {
|
|
|
|
case PLOT_FONT_FAMILY_SANS_SERIF:
|
|
|
|
hint->status = CSS_FONT_FAMILY_SANS_SERIF;
|
|
|
|
break;
|
|
|
|
case PLOT_FONT_FAMILY_SERIF:
|
|
|
|
hint->status = CSS_FONT_FAMILY_SERIF;
|
|
|
|
break;
|
|
|
|
case PLOT_FONT_FAMILY_MONOSPACE:
|
|
|
|
hint->status = CSS_FONT_FAMILY_MONOSPACE;
|
|
|
|
break;
|
|
|
|
case PLOT_FONT_FAMILY_CURSIVE:
|
|
|
|
hint->status = CSS_FONT_FAMILY_CURSIVE;
|
|
|
|
break;
|
|
|
|
case PLOT_FONT_FAMILY_FANTASY:
|
|
|
|
hint->status = CSS_FONT_FAMILY_FANTASY;
|
|
|
|
break;
|
2009-08-21 21:05:22 +04:00
|
|
|
}
|
2015-05-03 18:10:15 +03:00
|
|
|
} else if (property == CSS_PROP_QUOTES) {
|
|
|
|
/** \todo Not exactly useful :) */
|
|
|
|
hint->data.strings = NULL;
|
|
|
|
hint->status = CSS_QUOTES_NONE;
|
|
|
|
} else if (property == CSS_PROP_VOICE_FAMILY) {
|
|
|
|
/** \todo Fix this when we have voice-family done */
|
|
|
|
hint->data.strings = NULL;
|
|
|
|
hint->status = 0;
|
2012-03-25 18:38:37 +04:00
|
|
|
} else {
|
2015-05-03 18:10:15 +03:00
|
|
|
return CSS_INVALID;
|
2012-03-25 18:38:37 +04:00
|
|
|
}
|
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
return CSS_OK;
|
2012-03-25 18:38:37 +04:00
|
|
|
}
|
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
css_error set_libcss_node_data(void *pw, void *node, void *libcss_node_data)
|
2012-03-25 18:38:37 +04:00
|
|
|
{
|
2015-05-03 18:10:15 +03:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_exception err;
|
|
|
|
void *old_node_data;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
/* Set this node's node data */
|
|
|
|
err = dom_node_set_user_data(n,
|
|
|
|
corestring_dom___ns_key_libcss_node_data,
|
|
|
|
libcss_node_data, nscss_dom_user_data_handler,
|
|
|
|
(void *) &old_node_data);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
return CSS_NOMEM;
|
2012-03-25 18:38:37 +04:00
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
assert(old_node_data == NULL);
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 18:38:37 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
css_error get_libcss_node_data(void *pw, void *node, void **libcss_node_data)
|
2012-03-25 18:38:37 +04:00
|
|
|
{
|
2015-05-03 18:10:15 +03:00
|
|
|
dom_node *n = node;
|
|
|
|
dom_exception err;
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2015-05-03 18:10:15 +03:00
|
|
|
/* Get this node's node data */
|
|
|
|
err = dom_node_get_user_data(n,
|
|
|
|
corestring_dom___ns_key_libcss_node_data,
|
|
|
|
libcss_node_data);
|
|
|
|
if (err != DOM_NO_ERR) {
|
|
|
|
return CSS_NOMEM;
|
|
|
|
}
|
2009-07-24 03:05:34 +04:00
|
|
|
|
2012-03-25 18:38:37 +04:00
|
|
|
return CSS_OK;
|
|
|
|
}
|