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Allow printing css matchers

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This can help in debugging css matching.
This commit is contained in:
Matthias Clasen 2020-01-15 02:03:08 -05:00
parent 007713c0ba
commit 7588655a42
2 changed files with 61 additions and 5 deletions
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59
gtk/gtkcssmatcher.c
View File

@ -23,6 +23,21 @@
#include "gtkcssnodeprivate.h"
#include "gtkwidgetpath.h"
void
gtk_css_matcher_print (const GtkCssMatcher *matcher,
GString *string)
{
matcher->klass->print (matcher, string);
}
char *
gtk_css_matcher_to_string (const GtkCssMatcher *matcher)
{
GString *string = g_string_new ("");
gtk_css_matcher_print (matcher, string);
return g_string_free (string, FALSE);
}
/* GTK_CSS_MATCHER_WIDGET_PATH */
static gboolean
@ -158,6 +173,15 @@ gtk_css_matcher_widget_path_has_position (const GtkCssMatcher *matcher,
return x / a >= 0;
}
static void
gtk_css_matcher_widget_path_print (const GtkCssMatcher *matcher,
GString *string)
{
char *s = gtk_widget_path_to_string (matcher->path.path);
g_string_append (string, s);
g_free (s);
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_WIDGET_PATH = {
GTK_CSS_MATCHER_TYPE_WIDGET_PATH,
gtk_css_matcher_widget_path_get_parent,
@ -166,7 +190,8 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_WIDGET_PATH = {
gtk_css_matcher_widget_path_has_name,
gtk_css_matcher_widget_path_has_class,
gtk_css_matcher_widget_path_has_id,
gtk_css_matcher_widget_path_has_position
gtk_css_matcher_widget_path_has_position,
gtk_css_matcher_widget_path_print
};
gboolean
@ -334,6 +359,13 @@ gtk_css_matcher_node_has_position (const GtkCssMatcher *matcher,
a, b);
}
static void
gtk_css_matcher_node_print (const GtkCssMatcher *matcher,
GString *string)
{
gtk_css_node_print (matcher->node.node, 0, string, 0);
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_NODE = {
GTK_CSS_MATCHER_TYPE_NODE,
gtk_css_matcher_node_get_parent,
@ -342,7 +374,8 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_NODE = {
gtk_css_matcher_node_has_name,
gtk_css_matcher_node_has_class,
gtk_css_matcher_node_has_id,
gtk_css_matcher_node_has_position
gtk_css_matcher_node_has_position,
gtk_css_matcher_node_print
};
void
@ -429,6 +462,13 @@ gtk_css_matcher_any_has_position (const GtkCssMatcher *matcher,
return TRUE;
}
static void
gtk_css_matcher_any_print (const GtkCssMatcher *matcher,
GString *string)
{
g_string_append (string, "ANY");
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_ANY = {
GTK_CSS_MATCHER_TYPE_ANY,
gtk_css_matcher_any_get_parent,
@ -437,7 +477,8 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_ANY = {
gtk_css_matcher_any_has_name,
gtk_css_matcher_any_has_class,
gtk_css_matcher_any_has_id,
gtk_css_matcher_any_has_position
gtk_css_matcher_any_has_position,
gtk_css_matcher_any_print
};
void
@ -517,6 +558,15 @@ gtk_css_matcher_superset_has_position (const GtkCssMatcher *matcher,
return TRUE;
}
static void
gtk_css_matcher_superset_print (const GtkCssMatcher *matcher,
GString *string)
{
g_string_append (string, "SUPERSET(");
gtk_css_matcher_print (matcher->superset.subset, string);
g_string_append (string, ")");
}
static const GtkCssMatcherClass GTK_CSS_MATCHER_SUPERSET = {
GTK_CSS_MATCHER_TYPE_SUPERSET,
gtk_css_matcher_superset_get_parent,
@ -525,7 +575,8 @@ static const GtkCssMatcherClass GTK_CSS_MATCHER_SUPERSET = {
gtk_css_matcher_superset_has_name,
gtk_css_matcher_superset_has_class,
gtk_css_matcher_superset_has_id,
gtk_css_matcher_superset_has_position
gtk_css_matcher_superset_has_position,
gtk_css_matcher_superset_print
};
void

7
gtk/gtkcssmatcherprivate.h
View File

@ -54,6 +54,8 @@ struct _GtkCssMatcherClass {
gboolean forward,
int a,
int b);
void (* print) (const GtkCssMatcher *matcher,
GString *string);
};
struct _GtkCssMatcherWidgetPath {
@ -95,6 +97,10 @@ void _gtk_css_matcher_any_init (GtkCssMatcher *match
void _gtk_css_matcher_superset_init (GtkCssMatcher *matcher,
const GtkCssMatcher *subset);
void gtk_css_matcher_print (const GtkCssMatcher *matcher,
GString *string);
char * gtk_css_matcher_to_string (const GtkCssMatcher *matcher);
static inline gboolean
_gtk_css_matcher_get_parent (GtkCssMatcher *matcher,
@ -152,7 +158,6 @@ _gtk_css_matcher_matches_any (const GtkCssMatcher *matcher)
return matcher->klass->type == GTK_CSS_MATCHER_TYPE_ANY;
}
G_END_DECLS
#endif /* __GTK_CSS_MATCHER_PRIVATE_H__ */