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[simgrid.git] / include / xbt / graph.h
index 310d7a2..534472d 100644 (file)
 #include "xbt/dynar.h"
 SG_BEGIN_DECL()
 
-typedef struct xbt_node *xbt_node_t;
+  /** @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_graph *xbt_graph_t;
 
 /* API */
-xbt_graph_t xbt_graph_new_graph(unsigned short int directed, void *data);
-xbt_node_t xbt_graph_new_node(xbt_graph_t g, void *data);
-xbt_edge_t xbt_graph_new_edge(xbt_graph_t g, xbt_node_t src, xbt_node_t dst, 
+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);
-void xbt_graph_edge_set_length(xbt_edge_t e, double length);
-double xbt_graph_edge_get_length(xbt_edge_t e);
-double* xbt_graph_get_length_matrix(xbt_graph_t g);
+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);
 
-void xbt_graph_free_node(xbt_graph_t g, xbt_node_t n, 
-                          void_f_pvoid_t *free_function);
-void xbt_graph_free_edge(xbt_graph_t g, xbt_edge_t e, 
+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);
-void xbt_graph_free_graph(xbt_graph_t g, 
+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_dynar_t xbt_graph_get_nodes(xbt_graph_t g);
-xbt_dynar_t xbt_graph_get_edges(xbt_graph_t g);
-xbt_node_t xbt_graph_edge_get_source(xbt_edge_t e);
-xbt_node_t xbt_graph_edge_get_target(xbt_edge_t e);
-xbt_graph_t xbt_graph_read(const char *filename);
+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_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 *));
 
 /* 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);  */
-xbt_node_t* 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);
 
 
 
@@ -76,7 +102,7 @@ void xbt_graph_topological_sort(xbt_graph_t g);
 SG_END_DECL()
 
 #endif                         /* _XBT_GRAPH_H */
-
+/** @} */