1 | #ifndef GRAPH_H |
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2 | #define GRAPH_H |
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3 | |
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4 | typedef char *gGeneric; |
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5 | |
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6 | typedef struct graph_struct { |
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7 | gGeneric user_data; |
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8 | } graph_t; |
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9 | |
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10 | typedef struct vertex_struct { |
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11 | gGeneric user_data; |
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12 | } vertex_t; |
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13 | |
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14 | typedef struct edge_struct { |
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15 | gGeneric user_data; |
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16 | } edge_t; |
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17 | |
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18 | typedef void (*GRAPH_PFV)(gGeneric); |
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19 | typedef gGeneric (*GRAPH_PFG)(gGeneric); |
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20 | |
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21 | EXTERN graph_t *g_alloc ARGS((void)); |
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22 | EXTERN void g_free ARGS((graph_t *, void(*)(gGeneric), void(*)(gGeneric), void(*)(gGeneric))); |
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23 | EXTERN void g_check ARGS((graph_t *)); |
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24 | EXTERN graph_t *g_dup ARGS((graph_t *, gGeneric(*)(gGeneric), gGeneric(*)(gGeneric), gGeneric(*)(gGeneric))); |
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25 | |
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26 | EXTERN lsList g_get_vertices ARGS((graph_t *)); |
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27 | |
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28 | #define foreach_vertex(g, lgen, v) \ |
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29 | for (lgen = lsStart(g_get_vertices(g)); \ |
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30 | lsNext(lgen, &v, LS_NH) == LS_OK \ |
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31 | || ((void) lsFinish(lgen), 0); ) |
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32 | |
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33 | #define foreach_edge(g, lgen, e) \ |
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34 | for (lgen = lsStart(g_get_edges(g)); \ |
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35 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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36 | || ((void) lsFinish(lgen), 0); ) |
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37 | |
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38 | EXTERN vertex_t *g_add_vertex ARGS((graph_t *)); |
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39 | EXTERN void g_delete_vertex ARGS((vertex_t *, void (*)(gGeneric), void (*)(gGeneric))); |
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40 | EXTERN graph_t *g_vertex_graph ARGS((vertex_t *)); |
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41 | |
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42 | EXTERN lsList g_get_edges ARGS((graph_t *)); |
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43 | EXTERN lsList g_get_in_edges ARGS((vertex_t *)); |
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44 | EXTERN lsList g_get_out_edges ARGS((vertex_t *)); |
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45 | |
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46 | #define foreach_in_edge(v, lgen, e) \ |
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47 | for (lgen = lsStart(g_get_in_edges(v)); \ |
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48 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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49 | || ((void) lsFinish(lgen), 0); ) |
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50 | |
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51 | #define foreach_out_edge(v, lgen, e) \ |
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52 | for (lgen = lsStart(g_get_out_edges(v)); \ |
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53 | lsNext(lgen, &e, LS_NH) == LS_OK \ |
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54 | || ((void) lsFinish(lgen), 0); ) |
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55 | |
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56 | EXTERN edge_t *g_add_edge ARGS((vertex_t *, vertex_t *)); |
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57 | EXTERN void g_delete_edge ARGS((edge_t *, void (*)(gGeneric))); |
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58 | EXTERN graph_t *g_edge_graph ARGS((edge_t *)); |
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59 | EXTERN vertex_t *g_e_source ARGS((edge_t *)); |
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60 | EXTERN vertex_t *g_e_dest ARGS((edge_t *)); |
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61 | |
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62 | EXTERN array_t *g_dfs ARGS((graph_t *)); |
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63 | EXTERN int g_is_acyclic ARGS((graph_t *)); |
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64 | EXTERN array_t *g_graph_sort ARGS((graph_t *, int (*)(const void *, const void *))); |
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65 | |
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66 | EXTERN st_table *g_reachable ARGS((graph_t *, st_table *)); |
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67 | EXTERN st_table *g_EF ARGS((graph_t *, st_table *)); |
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68 | EXTERN st_table *g_SCC ARGS((graph_t *, st_table *)); |
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69 | |
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70 | #endif |
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