[gtk/wip/otte/css: 34/48] css: Get rid of GtkCssMatcher
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/otte/css: 34/48] css: Get rid of GtkCssMatcher
- Date: Tue, 28 Jan 2020 01:20:11 +0000 (UTC)
commit 8b93ea9238bcbb99f6caadca9f6ef1d422926a35
Author: Benjamin Otte <otte redhat com>
Date: Thu Jan 23 03:34:25 2020 +0100
css: Get rid of GtkCssMatcher
gtk/gtkcssmatcher.c | 190 -----------------------------------------
gtk/gtkcssmatcherprivate.h | 131 ----------------------------
gtk/gtkcssprovider.c | 15 ++--
gtk/gtkcssselector.c | 203 +++++++++++++++++++++++++++-----------------
gtk/gtkcssselectorprivate.h | 8 +-
gtk/gtkcsstypesprivate.h | 1 -
gtk/meson.build | 1 -
7 files changed, 137 insertions(+), 412 deletions(-)
---
diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index a98af871bc..d7f64b76ab 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -392,8 +392,8 @@ gtk_css_provider_init (GtkCssProvider *css_provider)
static void
verify_tree_match_results (GtkCssProvider *provider,
- const GtkCssMatcher *matcher,
- GPtrArray *tree_rules)
+ GtkCssNode *node,
+ GPtrArray *tree_rules)
{
#ifdef VERIFY_TREE
GtkCssProviderPrivate *priv = gtk_css_provider_get_instance_private (provider);
@@ -415,7 +415,7 @@ verify_tree_match_results (GtkCssProvider *provider,
break;
}
}
- should_match = _gtk_css_selector_matches (ruleset->selector, matcher);
+ should_match = _gtk_css_selector_matches (ruleset->selector, node);
if (found != !!should_match)
{
g_error ("expected rule '%s' to %s, but it %s",
@@ -456,7 +456,6 @@ gtk_css_style_provider_lookup (GtkStyleProvider *provider,
GtkCssProvider *css_provider = GTK_CSS_PROVIDER (provider);
GtkCssProviderPrivate *priv = gtk_css_provider_get_instance_private (css_provider);
GtkCssRuleset *ruleset;
- GtkCssMatcher matcher;
guint j;
int i;
GPtrArray *tree_rules;
@@ -464,12 +463,10 @@ gtk_css_style_provider_lookup (GtkStyleProvider *provider,
if (_gtk_css_selector_tree_is_empty (priv->tree))
return;
- _gtk_css_matcher_node_init (&matcher, node);
-
- tree_rules = _gtk_css_selector_tree_match_all (priv->tree, &matcher);
+ tree_rules = _gtk_css_selector_tree_match_all (priv->tree, node);
if (tree_rules)
{
- verify_tree_match_results (css_provider, &matcher, tree_rules);
+ verify_tree_match_results (css_provider, node, tree_rules);
for (i = tree_rules->len - 1; i >= 0; i--)
{
@@ -500,7 +497,7 @@ gtk_css_style_provider_lookup (GtkStyleProvider *provider,
}
if (change)
- *change = _gtk_css_selector_tree_get_change_all (priv->tree, &matcher);
+ *change = _gtk_css_selector_tree_get_change_all (priv->tree, node);
}
static void
diff --git a/gtk/gtkcssselector.c b/gtk/gtkcssselector.c
index a27c111e93..1e7da07305 100644
--- a/gtk/gtkcssselector.c
+++ b/gtk/gtkcssselector.c
@@ -49,7 +49,7 @@ typedef enum {
typedef struct _GtkCssSelectorClass GtkCssSelectorClass;
typedef gboolean (* GtkCssSelectorForeachFunc) (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
gpointer data);
struct _GtkCssSelectorClass {
@@ -58,18 +58,18 @@ struct _GtkCssSelectorClass {
void (* print) (const GtkCssSelector *selector,
GString *string);
- /* NULL or an iterator that calls func with each submatcher of @matcher.
- * Potentially no submatcher exists.
+ /* NULL or an iterator that calls func with each subnode of @node.
+ * Potentially no subnode exists.
* If any @invocation of @func returns %TRUE, the function will immediately
* return %TRUE itself. If @func never returns %TRUE (or isn't called at all),
* %FALSE will be returned.
*/
gboolean (* foreach_matcher) (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data);
gboolean (* match_one) (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher);
+ GtkCssNode *node);
GtkCssChange (* get_change) (const GtkCssSelector *selector,
GtkCssChange previous_change);
void (* add_specificity) (const GtkCssSelector *selector,
@@ -188,18 +188,18 @@ gtk_css_selector_tree_found_match (const GtkCssSelectorTree *tree,
static inline gboolean
gtk_css_selector_match (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
- return selector->class->match_one (selector, matcher);
+ return selector->class->match_one (selector, node);
}
static inline gboolean
gtk_css_selector_foreach (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- return selector->class->foreach_matcher (selector, matcher, func, data);
+ return selector->class->foreach_matcher (selector, node, func, data);
}
static int
@@ -260,16 +260,16 @@ gtk_css_selector_default_add_specificity (const GtkCssSelector *selector,
static gboolean
gtk_css_selector_default_foreach_matcher (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- return func (selector, matcher, data);
+ return func (selector, node, data);
}
static gboolean
gtk_css_selector_default_match_one (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
return TRUE;
}
@@ -298,17 +298,17 @@ gtk_css_selector_descendant_print (const GtkCssSelector *selector,
static gboolean
gtk_css_selector_descendant_foreach_matcher (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- GtkCssMatcher ancestor;
+ GtkCssNode *parent;
- while (_gtk_css_matcher_get_parent (&ancestor, matcher))
+ for (parent = gtk_css_node_get_parent (node);
+ parent;
+ parent = gtk_css_node_get_parent (parent))
{
- matcher = &ancestor;
-
- if (func (selector, &ancestor, data))
+ if (func (selector, parent, data))
return TRUE;
}
@@ -344,16 +344,17 @@ gtk_css_selector_child_print (const GtkCssSelector *selector,
static gboolean
gtk_css_selector_child_foreach_matcher (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- GtkCssMatcher parent;
+ GtkCssNode *parent;
- if (!_gtk_css_matcher_get_parent (&parent, matcher))
+ parent = gtk_css_node_get_parent (node);
+ if (parent == NULL)
return FALSE;
- return func (selector, &parent, data);
+ return func (selector, parent, data);
}
static GtkCssChange
@@ -383,19 +384,39 @@ gtk_css_selector_sibling_print (const GtkCssSelector *selector,
g_string_append (string, " ~ ");
}
+static GtkCssNode *
+get_previous_visible_sibling (GtkCssNode *node)
+{
+ do {
+ node = gtk_css_node_get_previous_sibling (node);
+ } while (node && !gtk_css_node_get_visible (node));
+
+ return node;
+}
+
+static GtkCssNode *
+get_next_visible_sibling (GtkCssNode *node)
+{
+ do {
+ node = gtk_css_node_get_next_sibling (node);
+ } while (node && !gtk_css_node_get_visible (node));
+
+ return node;
+}
+
static gboolean
gtk_css_selector_sibling_foreach_matcher (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- GtkCssMatcher previous;
+ GtkCssNode *prev;
- while (_gtk_css_matcher_get_previous (&previous, matcher))
+ for (prev = get_previous_visible_sibling (node);
+ prev;
+ prev = get_previous_visible_sibling (prev))
{
- matcher = &previous;
-
- if (func (selector, matcher, data))
+ if (func (selector, prev, data))
return TRUE;
}
@@ -431,16 +452,17 @@ gtk_css_selector_adjacent_print (const GtkCssSelector *selector,
static gboolean
gtk_css_selector_adjacent_foreach_matcher (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
GtkCssSelectorForeachFunc func,
gpointer data)
{
- GtkCssMatcher previous;
+ GtkCssNode *prev;
- if (!_gtk_css_matcher_get_previous (&previous, matcher))
+ prev = get_previous_visible_sibling (node);
+ if (prev == NULL)
return FALSE;
-
- return func (selector, &previous, data);
+
+ return func (selector, prev, data);
}
static GtkCssChange
@@ -491,9 +513,9 @@ gtk_css_selector_not_ ## n ## _print (const GtkCssSelector *selector, \
\
static gboolean \
gtk_css_selector_not_ ## n ## _match_one (const GtkCssSelector *selector, \
- const GtkCssMatcher *matcher) \
+ GtkCssNode *node) \
{ \
- return !match_func (selector, matcher); \
+ return !match_func (selector, node); \
} \
\
static GtkCssChange \
@@ -557,7 +579,7 @@ print_any (const GtkCssSelector *selector,
static gboolean
match_any (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
return TRUE;
}
@@ -580,9 +602,9 @@ print_name (const GtkCssSelector *selector,
static gboolean
match_name (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
- return _gtk_css_matcher_has_name (matcher, selector->name.name);
+ return gtk_css_node_get_name (node) == selector->name.name;
}
static guint
@@ -613,9 +635,9 @@ print_class (const GtkCssSelector *selector,
static gboolean
match_class (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
- return _gtk_css_matcher_has_class (matcher, selector->style_class.style_class);
+ return gtk_css_node_has_class (node, selector->style_class.style_class);
}
static guint
@@ -650,9 +672,9 @@ print_id (const GtkCssSelector *selector,
static gboolean
match_id (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
- return _gtk_css_matcher_has_id (matcher, selector->id.name);
+ return gtk_css_node_get_id (node) == selector->id.name;
}
static guint
@@ -686,9 +708,9 @@ print_pseudoclass_state (const GtkCssSelector *selector,
static gboolean
match_pseudoclass_state (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
- return _gtk_css_matcher_has_state (matcher, selector->state.state);
+ return (gtk_css_node_get_state (node) & selector->state.state) == selector->state.state;
}
static guint
@@ -809,23 +831,57 @@ print_pseudoclass_position (const GtkCssSelector *selector,
}
}
+static gboolean
+match_position (GtkCssNode *node,
+ GtkCssNode *(* prev_node_func) (GtkCssNode *),
+ int a,
+ int b)
+{
+ int pos, x;
+
+ /* special-case the common "first-child" and "last-child" */
+ if (a == 0)
+ {
+ while (b > 0 && node != NULL)
+ {
+ b--;
+ node = prev_node_func (node);
+ }
+
+ return b == 0 && node == NULL;
+ }
+
+ /* count nodes */
+ for (pos = 0; node != NULL; pos++)
+ node = prev_node_func (node);
+
+ /* solve pos = a * X + b
+ * and return TRUE if X is integer >= 0 */
+ x = pos - b;
+
+ if (x % a)
+ return FALSE;
+
+ return x / a >= 0;
+}
+
static gboolean
match_pseudoclass_position (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
switch (selector->position.type)
{
case POSITION_FORWARD:
- if (!_gtk_css_matcher_has_position (matcher, TRUE, selector->position.a, selector->position.b))
+ if (!match_position (node, get_previous_visible_sibling, selector->position.a, selector->position.b))
return FALSE;
break;
case POSITION_BACKWARD:
- if (!_gtk_css_matcher_has_position (matcher, FALSE, selector->position.a, selector->position.b))
+ if (!match_position (node, get_next_visible_sibling, selector->position.a, selector->position.b))
return FALSE;
break;
case POSITION_ONLY:
- if (!_gtk_css_matcher_has_position (matcher, TRUE, 0, 1) ||
- !_gtk_css_matcher_has_position (matcher, FALSE, 0, 1))
+ if (get_previous_visible_sibling (node) ||
+ get_next_visible_sibling (node))
return FALSE;
break;
default:
@@ -1645,7 +1701,7 @@ _gtk_css_selector_to_string (const GtkCssSelector *selector)
static gboolean
gtk_css_selector_foreach_match (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
gpointer unused)
{
selector = gtk_css_selector_previous (selector);
@@ -1653,38 +1709,33 @@ gtk_css_selector_foreach_match (const GtkCssSelector *selector,
if (selector == NULL)
return TRUE;
- if (!gtk_css_selector_match (selector, matcher))
+ if (!gtk_css_selector_match (selector, node))
return FALSE;
- return gtk_css_selector_foreach (selector, matcher, gtk_css_selector_foreach_match, NULL);
+ return gtk_css_selector_foreach (selector, node, gtk_css_selector_foreach_match, NULL);
}
/**
* _gtk_css_selector_matches:
* @selector: the selector
- * @path: the path to check
- * @state: The state to match
+ * @node: The node to match
*
- * Checks if the @selector matches the given @path. If @length is
- * smaller than the number of elements in @path, it is assumed that
- * only the first @length element of @path are valid and the rest
- * does not exist. This is useful for doing parent matches for the
- * 'inherit' keyword.
+ * Checks if the @selector matches the given @node.
*
- * Returns: %TRUE if the selector matches @path
+ * Returns: %TRUE if the selector matches @node
**/
gboolean
_gtk_css_selector_matches (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
g_return_val_if_fail (selector != NULL, FALSE);
- g_return_val_if_fail (matcher != NULL, FALSE);
+ g_return_val_if_fail (node != NULL, FALSE);
- if (!gtk_css_selector_match (selector, matcher))
+ if (!gtk_css_selector_match (selector, node))
return FALSE;
- return gtk_css_selector_foreach (selector, matcher, gtk_css_selector_foreach_match, NULL);
+ return gtk_css_selector_foreach (selector, node, gtk_css_selector_foreach_match, NULL);
}
/* Computes specificity according to CSS 2.1.
@@ -1821,13 +1872,13 @@ gtk_css_selectors_skip_initial_selector (GtkCssSelector *selector, const GtkCssS
static gboolean
gtk_css_selector_tree_match_foreach (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher,
+ GtkCssNode *node,
gpointer res)
{
const GtkCssSelectorTree *tree = (const GtkCssSelectorTree *) selector;
const GtkCssSelectorTree *prev;
- if (!gtk_css_selector_match (selector, matcher))
+ if (!gtk_css_selector_match (selector, node))
return FALSE;
gtk_css_selector_tree_found_match (tree, res);
@@ -1835,20 +1886,20 @@ gtk_css_selector_tree_match_foreach (const GtkCssSelector *selector,
for (prev = gtk_css_selector_tree_get_previous (tree);
prev != NULL;
prev = gtk_css_selector_tree_get_sibling (prev))
- gtk_css_selector_foreach (&prev->selector, matcher, gtk_css_selector_tree_match_foreach, res);
+ gtk_css_selector_foreach (&prev->selector, node, gtk_css_selector_tree_match_foreach, res);
return FALSE;
}
GPtrArray *
_gtk_css_selector_tree_match_all (const GtkCssSelectorTree *tree,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
GPtrArray *array = NULL;
for (; tree != NULL;
tree = gtk_css_selector_tree_get_sibling (tree))
- gtk_css_selector_foreach (&tree->selector, matcher, gtk_css_selector_tree_match_foreach, &array);
+ gtk_css_selector_foreach (&tree->selector, node, gtk_css_selector_tree_match_foreach, &array);
return array;
}
@@ -1860,12 +1911,12 @@ _gtk_css_selector_tree_match_all (const GtkCssSelectorTree *tree,
static gboolean
gtk_css_selector_match_for_change (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
if (selector->class->category != GTK_CSS_SELECTOR_CATEGORY_SIMPLE_RADICAL)
return TRUE;
- return selector->class->match_one (selector, matcher);
+ return selector->class->match_one (selector, node);
}
/* When checking for changes via the tree we need to know if a rule further
@@ -1897,12 +1948,12 @@ gtk_css_selector_tree_collect_change (const GtkCssSelectorTree *tree)
static GtkCssChange
gtk_css_selector_tree_get_change (const GtkCssSelectorTree *tree,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
GtkCssChange change = 0;
const GtkCssSelectorTree *prev;
- if (!gtk_css_selector_match_for_change (&tree->selector, matcher))
+ if (!gtk_css_selector_match_for_change (&tree->selector, node))
return 0;
if (!gtk_css_selector_is_simple (&tree->selector))
@@ -1911,7 +1962,7 @@ gtk_css_selector_tree_get_change (const GtkCssSelectorTree *tree,
for (prev = gtk_css_selector_tree_get_previous (tree);
prev != NULL;
prev = gtk_css_selector_tree_get_sibling (prev))
- change |= gtk_css_selector_tree_get_change (prev, matcher);
+ change |= gtk_css_selector_tree_get_change (prev, node);
if (change || gtk_css_selector_tree_get_matches (tree))
change = tree->selector.class->get_change (&tree->selector, change & ~GTK_CSS_CHANGE_GOT_MATCH) |
GTK_CSS_CHANGE_GOT_MATCH;
@@ -1927,7 +1978,7 @@ _gtk_css_selector_tree_is_empty (const GtkCssSelectorTree *tree)
GtkCssChange
_gtk_css_selector_tree_get_change_all (const GtkCssSelectorTree *tree,
- const GtkCssMatcher *matcher)
+ GtkCssNode *node)
{
GtkCssChange change;
@@ -1936,7 +1987,7 @@ _gtk_css_selector_tree_get_change_all (const GtkCssSelectorTree *tree,
/* no need to foreach here because we abort for non-simple selectors */
for (; tree != NULL;
tree = gtk_css_selector_tree_get_sibling (tree))
- change |= gtk_css_selector_tree_get_change (tree, matcher);
+ change |= gtk_css_selector_tree_get_change (tree, node);
/* Never return reserved bit set */
return change & ~GTK_CSS_CHANGE_RESERVED_BIT;
diff --git a/gtk/gtkcssselectorprivate.h b/gtk/gtkcssselectorprivate.h
index b8673edda5..64a05b63f7 100644
--- a/gtk/gtkcssselectorprivate.h
+++ b/gtk/gtkcssselectorprivate.h
@@ -18,7 +18,7 @@
#ifndef __GTK_CSS_SELECTOR_PRIVATE_H__
#define __GTK_CSS_SELECTOR_PRIVATE_H__
-#include "gtk/gtkcssmatcherprivate.h"
+#include "gtk/gtkcsstypesprivate.h"
#include "gtk/gtkcssparserprivate.h"
G_BEGIN_DECLS
@@ -35,16 +35,16 @@ void _gtk_css_selector_print (const GtkCssSelector *sel
GString *str);
gboolean _gtk_css_selector_matches (const GtkCssSelector *selector,
- const GtkCssMatcher *matcher);
+ GtkCssNode *node);
GtkCssChange _gtk_css_selector_get_change (const GtkCssSelector *selector);
int _gtk_css_selector_compare (const GtkCssSelector *a,
const GtkCssSelector *b);
void _gtk_css_selector_tree_free (GtkCssSelectorTree *tree);
GPtrArray * _gtk_css_selector_tree_match_all (const GtkCssSelectorTree *tree,
- const GtkCssMatcher *matcher);
+ GtkCssNode *node);
GtkCssChange _gtk_css_selector_tree_get_change_all (const GtkCssSelectorTree *tree,
- const GtkCssMatcher *matcher);
+ GtkCssNode *node);
void _gtk_css_selector_tree_match_print (const GtkCssSelectorTree *tree,
GString *str);
gboolean _gtk_css_selector_tree_is_empty (const GtkCssSelectorTree *tree) G_GNUC_CONST;
diff --git a/gtk/gtkcsstypesprivate.h b/gtk/gtkcsstypesprivate.h
index 156e3763a8..af552e13fd 100644
--- a/gtk/gtkcsstypesprivate.h
+++ b/gtk/gtkcsstypesprivate.h
@@ -25,7 +25,6 @@
G_BEGIN_DECLS
-typedef union _GtkCssMatcher GtkCssMatcher;
typedef struct _GtkCssNode GtkCssNode;
typedef struct _GtkCssNodeDeclaration GtkCssNodeDeclaration;
typedef struct _GtkCssStyle GtkCssStyle;
diff --git a/gtk/meson.build b/gtk/meson.build
index 99b8b5cda3..4c42b008a0 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -72,7 +72,6 @@ gtk_private_sources = files([
'gtkcssinitialvalue.c',
'gtkcsskeyframes.c',
'gtkcsslookup.c',
- 'gtkcssmatcher.c',
'gtkcssnode.c',
'gtkcssnodedeclaration.c',
'gtkcssnodestylecache.c',
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