-/* $Id$ */
-
-/* Copyright (c) 2006 Darina Dimitrova, Arnaud Legrand.
- All rights reserved. */
+/* Copyright (c) 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef _XBT_GRAPH_H
#define _XBT_GRAPH_H
-#include "xbt/misc.h" /* SG_BEGIN_DECL */
-
+#include "xbt/misc.h" /* SG_BEGIN_DECL */
+#include "xbt/dynar.h"
SG_BEGIN_DECL()
+ /** @addtogroup XBT_graph
+ * @brief A graph data type with several interesting algorithms
+ *
+ * @{
+ */
typedef struct xbt_node *xbt_node_t;
-typedef struct xbt_edge *xbt_edge_t;
-typedef struct xbt_graph *xbt_graph_t;
+typedef struct xbt_edge *xbt_edge_t;
+typedef struct xbt_graph *xbt_graph_t;
/* API */
-xbt_graph_t xbt_graph_new_graph(const char *name,
- unsigned short int directed, void *data);
-xbt_node_t xbt_graph_new_node(xbt_graph_t g,const char *name, void *data);
-xbt_edge_t xbt_graph_new_edge(xbt_graph_t g,const char *name,
- xbt_node_t src, xbt_node_t dst, void *data);
-
-void xbt_graph_remove_node(xbt_graph_t g, xbt_node_t n,
- void_f_pvoid_t *free_function);
-void xbt_graph_remove_edge(xbt_graph_t g, xbt_edge_t e,
- void_f_pvoid_t *free_function);
-void xbt_graph_free_graph(xbt_graph_t g,
- void_f_pvoid_t *node_free_function,
- void_f_pvoid_t *edge_free_function,
- void_f_pvoid_t *graph_free_function);
+XBT_PUBLIC(xbt_graph_t) xbt_graph_new_graph(unsigned short int directed,
+ void *data);
+XBT_PUBLIC(xbt_node_t) xbt_graph_new_node(xbt_graph_t g, void *data);
+XBT_PUBLIC(xbt_edge_t) xbt_graph_new_edge(xbt_graph_t g, xbt_node_t src,
+ xbt_node_t dst, void *data);
+XBT_PUBLIC(void *) xbt_graph_node_get_data(xbt_node_t node);
+XBT_PUBLIC(void) xbt_graph_node_set_data(xbt_node_t node, void *data);
+XBT_PUBLIC(void *) xbt_graph_edge_get_data(xbt_edge_t edge);
+XBT_PUBLIC(void) xbt_graph_edge_set_data(xbt_edge_t edge, void *data);
+
+XBT_PUBLIC(xbt_edge_t) xbt_graph_get_edge(xbt_graph_t g, xbt_node_t src,
+ xbt_node_t dst);
+
+XBT_PUBLIC(void) xbt_graph_edge_set_length(xbt_edge_t e, double length);
+XBT_PUBLIC(double) xbt_graph_edge_get_length(xbt_edge_t e);
+XBT_PUBLIC(double *) xbt_graph_get_length_matrix(xbt_graph_t g);
+
+XBT_PUBLIC(void) xbt_graph_free_node(xbt_graph_t g, xbt_node_t n,
+ void_f_pvoid_t node_free_function,
+ void_f_pvoid_t edge_free_function);
+XBT_PUBLIC(void) xbt_graph_free_edge(xbt_graph_t g, xbt_edge_t e,
+ void_f_pvoid_t free_function);
+XBT_PUBLIC(void) xbt_graph_free_graph(xbt_graph_t g,
+ void_f_pvoid_t node_free_function,
+ void_f_pvoid_t edge_free_function,
+ void_f_pvoid_t graph_free_function);
+
+XBT_PUBLIC(int) __xbt_find_in_dynar(xbt_dynar_t dynar, void *p);
+
+XBT_PUBLIC(xbt_dynar_t) xbt_graph_get_nodes(xbt_graph_t g);
+XBT_PUBLIC(xbt_dynar_t) xbt_graph_get_edges(xbt_graph_t g);
+XBT_PUBLIC(xbt_dynar_t) xbt_graph_node_get_outedges(xbt_node_t n);
+XBT_PUBLIC(xbt_node_t) xbt_graph_edge_get_source(xbt_edge_t e);
+XBT_PUBLIC(xbt_node_t) xbt_graph_edge_get_target(xbt_edge_t e);
+XBT_PUBLIC(xbt_graph_t) xbt_graph_read(const char *filename, void
+ *(node_label_and_data) (xbt_node_t,
+ const char
+ *,
+ const char
+ *), void
+ *(edge_label_and_data) (xbt_edge_t,
+ const char
+ *,
+ const char
+ *)
+ );
+
+XBT_PUBLIC(void) xbt_graph_export_graphviz(xbt_graph_t g,
+ const char *filename, const char
+ *(node_name) (xbt_node_t), const char
+ *(edge_name) (xbt_edge_t));
+XBT_PUBLIC(void) xbt_graph_export_graphxml(xbt_graph_t g,
+ const char *filename, const char
+ *(node_name) (xbt_node_t), const char
+ *(edge_name) (xbt_edge_t), const char
+ *(node_data_print) (void *), const char
+ *(edge_data_print) (void *));
+XBT_PUBLIC(xbt_graph_t) xbt_graph_load (const char *filename);
+XBT_PUBLIC(void) xbt_graph_save (xbt_graph_t span,
+ const char *filename,
+ const char *(nname) (xbt_node_t),
+ const char *(ename) (xbt_edge_t));
/* Not implemented yet ! */
-void xbt_export_graphviz(xbt_graph_t g, const char *filename,
- const char *(node_name)(xbt_node_t),
- const char *(edge_name)(xbt_edge_t)
- );
+/* void *xbt_graph_to_array(xbt_graph_t g); */
+XBT_PUBLIC(xbt_node_t *) xbt_graph_shortest_paths(xbt_graph_t g);
+
-void xbt_graph_export_surfxml(xbt_graph_t g,
- const char *filename,
- const char *(node_name)(xbt_node_t),
- const char *(edge_name)(xbt_edge_t)
- );
-void *xbt_graph_to_array(xbt_graph_t g);
-void xbt_graph_shortest_paths(xbt_graph_t g);
-void xbt_graph_topological_sort(xbt_graph_t g);
+/** @brief transforms the network structure of a directed acyclic graph given into a linear structure
+ @return: an array containing the nodes of the graph sorted in order reverse to the path of exploration
+ if a cycle is detected an exception is raised
+ */
+
+XBT_PUBLIC(xbt_node_t *) xbt_graph_topo_sort(xbt_graph_t g);
+
+XBT_PUBLIC(xbt_edge_t *) xbt_graph_spanning_tree_prim(xbt_graph_t g);
SG_END_DECL()
-
-#endif /* _XBT_GRAPH_H */
-
-
-
-
-
-
+#endif /* _XBT_GRAPH_H */
+/** @} */
