Extract concepts subsystem

CMakeLists.txt

@@ -24,7 +24,8 @@ target_link_libraries(amduat_federation
   PRIVATE amduat_asl amduat_enc amduat_util amduat_fed
 )
 
-set(amduatd_sources src/amduatd.c src/amduatd_caps.c src/amduatd_space.c)
+set(amduatd_sources src/amduatd.c src/amduatd_caps.c src/amduatd_space.c
+                    src/amduatd_concepts.c)
 if(AMDUATD_ENABLE_UI)
   list(APPEND amduatd_sources src/amduatd_ui.c)
 endif()

src/amduatd_concepts.h

@@ -0,0 +1,61 @@
+#ifndef AMDUATD_CONCEPTS_H
+#define AMDUATD_CONCEPTS_H
+
+#include "amduat/asl/collection.h"
+#include "amduatd_space.h"
+#include "amduatd_ui.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  amduat_reference_t record_ref;
+  amduat_reference_t src_ref;
+  amduat_reference_t dst_ref;
+  char *rel;
+} amduatd_edge_entry_t;
+
+typedef struct {
+  amduatd_edge_entry_t *items;
+  size_t len;
+  size_t cap;
+} amduatd_edge_list_t;
+
+typedef struct amduatd_concepts_t {
+  const char *root_path;
+  char edges_path[1024];
+  char *edge_collection_name;
+  amduat_reference_t rel_aliases_ref;
+  amduat_reference_t rel_materializes_ref;
+  amduat_reference_t rel_represents_ref;
+  amduat_reference_t rel_requires_key_ref;
+  amduat_reference_t rel_within_domain_ref;
+  amduat_reference_t rel_computed_by_ref;
+  amduat_reference_t rel_has_provenance_ref;
+  amduat_asl_collection_store_t edge_collection;
+  amduatd_edge_list_t edges;
+} amduatd_concepts_t;
+
+bool amduatd_concepts_init(amduatd_concepts_t *c,
+                           amduat_asl_store_t *store,
+                           const amduatd_space_t *space,
+                           const char *root_path,
+                           bool enable_migrations);
+
+void amduatd_concepts_free(amduatd_concepts_t *c);
+
+bool amduatd_concepts_can_handle(const amduatd_http_req_t *req);
+
+bool amduatd_concepts_handle(amduatd_ctx_t *ctx,
+                             const amduatd_http_req_t *req,
+                             amduatd_http_resp_t *resp);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* AMDUATD_CONCEPTS_H */