diff options
Diffstat (limited to 'lib/ephy-node-filter.h')
| -rw-r--r-- | lib/ephy-node-filter.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/ephy-node-filter.h b/lib/ephy-node-filter.h new file mode 100644 index 000000000..1aedc16c6 --- /dev/null +++ b/lib/ephy-node-filter.h @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2002 Olivier Martin <omartin@ifrance.com> + * (C) 2002 Jorn Baayen <jorn@nl.linux.org> + * + * This program 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Id$ + */ + +#ifndef EPHY_NODE_FILTER_H +#define EPHY_NODE_FILTER_H + +#include <glib-object.h> + +#include "ephy-node.h" + +G_BEGIN_DECLS + +#define EPHY_TYPE_NODE_FILTER (ephy_node_filter_get_type ()) +#define EPHY_NODE_FILTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EPHY_TYPE_NODE_FILTER, EphyNodeFilter)) +#define EPHY_NODE_FILTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EPHY_TYPE_NODE_FILTER, EphyNodeFilterClass)) +#define EPHY_IS_NODE_FILTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EPHY_TYPE_NODE_FILTER)) +#define EPHY_IS_NODE_FILTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EPHY_TYPE_NODE_FILTER)) +#define EPHY_NODE_FILTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EPHY_TYPE_NODE_FILTER, EphyNodeFilterClass)) + +typedef struct EphyNodeFilterPrivate EphyNodeFilterPrivate; + +typedef struct +{ + GObject parent; + + EphyNodeFilterPrivate *priv; +} EphyNodeFilter; + +typedef struct +{ + GObjectClass parent; + + void (*changed) (EphyNodeFilter *filter); +} EphyNodeFilterClass; + +typedef enum +{ + EPHY_NODE_FILTER_EXPRESSION_ALWAYS_TRUE, /* args: none */ + EPHY_NODE_FILTER_EXPRESSION_NODE_EQUALS, /* args: EphyNode *a, EphyNode *b */ + EPHY_NODE_FILTER_EXPRESSION_EQUALS, /* args: EphyNode *node */ + EPHY_NODE_FILTER_EXPRESSION_HAS_PARENT, /* args: EphyNode *parent */ + EPHY_NODE_FILTER_EXPRESSION_HAS_CHILD, /* args: EphyNode *child */ + EPHY_NODE_FILTER_EXPRESSION_NODE_PROP_EQUALS, /* args: int prop_id, EphyNode *node */ + EPHY_NODE_FILTER_EXPRESSION_CHILD_PROP_EQUALS, /* args: int prop_id, EphyNode *node */ + EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_CONTAINS, /* args: int prop_id, const char *string */ + EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_EQUALS, /* args: int prop_id, const char *string */ + EPHY_NODE_FILTER_EXPRESSION_KEY_PROP_CONTAINS, /* args: int prop_id, const char *string */ + EPHY_NODE_FILTER_EXPRESSION_KEY_PROP_EQUALS, /* args: int prop_id, const char *string */ + EPHY_NODE_FILTER_EXPRESSION_INT_PROP_EQUALS, /* args: int prop_id, int int */ + EPHY_NODE_FILTER_EXPRESSION_INT_PROP_BIGGER_THAN, /* args: int prop_id, int int */ + EPHY_NODE_FILTER_EXPRESSION_INT_PROP_LESS_THAN /* args: int prop_id, int int */ +} EphyNodeFilterExpressionType; + +typedef struct EphyNodeFilterExpression EphyNodeFilterExpression; + +/* The filter starts iterating over all expressions at level 0, + * if one of them is TRUE it continues to level 1, etc. + * If it still has TRUE when there are no more expressions at the + * next level, the result is TRUE. Otherwise, it's FALSE. + */ + +GType ephy_node_filter_get_type (void); + +EphyNodeFilter *ephy_node_filter_new (void); + +void ephy_node_filter_add_expression (EphyNodeFilter *filter, + EphyNodeFilterExpression *expression, + int level); + +void ephy_node_filter_empty (EphyNodeFilter *filter); + +void ephy_node_filter_done_changing (EphyNodeFilter *filter); + +gboolean ephy_node_filter_evaluate (EphyNodeFilter *filter, + EphyNode *node); + +EphyNodeFilterExpression *ephy_node_filter_expression_new (EphyNodeFilterExpressionType, + ...); +/* no need to free unless you didn't add the expression to a filter */ +void ephy_node_filter_expression_free (EphyNodeFilterExpression *expression); + +G_END_DECLS + +#endif /* EPHY_NODE_FILTER_H */ |