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/*
* ast-model.h
*
* Copyright (C) 2010 Christopher Li.
*
*/
#ifndef _ast_model_h_
#define _ast_model_h_
#include <stdint.h>
#include <gtk/gtk.h>
#include "lib.h"
#define AST_TYPE_NODE (ast_get_type ())
#define AST_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), AST_TYPE_NODE, AstNode))
#define AST_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), AST_TYPE_NODE, AstNodeClass))
#define AST_IS_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AST_TYPE_NODE))
#define AST_IS_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), AST_TYPE_NODE))
#define AST_NODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), AST_TYPE_NODE, AstNodeClass))
enum
{
AST_COL_RECORD = 0,
AST_COL_NAME,
AST_N_COLUMNS,
} ;
typedef struct AstNode AstNode;
typedef struct AstNodeClass AstNodeClass;
/* AstNode: this structure contains everything we need for our
* model implementation. You can add extra fields to
* this structure, e.g. hashtables to quickly lookup
* rows or whatever else you might need, but it is
* crucial that 'parent' is the first member of the
* structure. */
struct AstNode
{
GObject base; /* this MUST be the first member */
AstNode *parent;
int index;
const gchar *text;
void (*inspect)(struct AstNode* node);
void *ptr;
GArray *childnodes;
gint stamp;
};
/* AstNodeClass: more boilerplate GObject stuff */
struct AstNodeClass
{
GObjectClass base_class;
};
GType ast_get_type(void);
AstNode* ast_new(AstNode *parent, int index, const char *prefix, void *ptr, void (*expand)(AstNode*));
static inline
AstNode* ast_append_child(AstNode *parent, const char *text,
void *ptr, void (*inspect)(AstNode*))
{
if (ptr) {
AstNode *child = ast_new(parent, parent->childnodes->len,
text, ptr, inspect);
g_array_append_val(parent->childnodes, child);
return child;
}
return NULL;
}
static inline
void ast_append_attribute(AstNode *parent, const char *text)
{
AstNode *child = ast_new(parent, parent->childnodes->len, text, NULL, NULL);
g_array_append_val(parent->childnodes, child);
}
#endif /* _ast_h_*/
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