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hub / github.com/DeusData/codebase-memory-mcp / handle_query_graph

Function handle_query_graph

src/mcp/mcp.c:3805–3934  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

3803}
3804
3805static char *handle_query_graph(cbm_mcp_server_t *srv, const char *args) {
3806 char *query = cbm_mcp_get_string_arg(args, "query");
3807 char *project = get_project_arg(args);
3808 cbm_store_t *store = resolve_store(srv, project);
3809 int max_rows = cbm_mcp_get_int_arg(args, "max_rows", 0);
3810
3811 /* graph="missed" (#963): run the SAME cypher against the derived
3812 * miss-graph view (shadow project "<project>::missed") instead of the
3813 * code graph — file structure of not-fully-indexed files only. */
3814 char *graph_arg = cbm_mcp_get_string_arg(args, "graph");
3815 bool missed_graph = graph_arg && strcmp(graph_arg, "missed") == 0;
3816 free(graph_arg);
3817
3818 if (!query) {
3819 free(project);
3820 return cbm_mcp_text_result("query is required", true);
3821 }
3822 if (missed_graph && !project) {
3823 free(query);
3824 return cbm_mcp_text_result("project is required when graph=\"missed\"", true);
3825 }
3826 if (!store) {
3827 char *_err = build_project_list_error("project not found or not indexed");
3828 char *_res = cbm_mcp_text_result(_err, true);
3829 free(_err);
3830 free(project);
3831 free(query);
3832 return _res;
3833 }
3834
3835 char *not_indexed = verify_project_indexed(store, project);
3836 if (not_indexed) {
3837 free(project);
3838 free(query);
3839 return not_indexed;
3840 }
3841
3842 char covproj[CBM_SZ_512];
3843 const char *cypher_project = project;
3844 if (missed_graph) {
3845 cbm_store_coverage_shadow_project(covproj, sizeof(covproj), project);
3846 cypher_project = covproj;
3847 }
3848
3849 cbm_cypher_result_t result = {0};
3850 int rc = cbm_cypher_execute(store, query, cypher_project, max_rows, &result);
3851
3852 if (rc < 0) {
3853 char *err_msg = result.error ? result.error : "query execution failed";
3854 char *resp = cbm_mcp_text_result(err_msg, true);
3855 cbm_cypher_result_free(&result);
3856 free(query);
3857 free(project);
3858 return resp;
3859 }
3860
3861 /* Response encoding: TOON table by default (the columns double as the
3862 * table header); format:"json" restores the legacy columns/rows arrays. */

Callers 1

dispatch_toolFunction · 0.85

Calls 15

cbm_mcp_get_string_argFunction · 0.85
get_project_argFunction · 0.85
resolve_storeFunction · 0.85
cbm_mcp_get_int_argFunction · 0.85
cbm_mcp_text_resultFunction · 0.85
build_project_list_errorFunction · 0.85
verify_project_indexedFunction · 0.85
cbm_cypher_executeFunction · 0.85
cbm_cypher_result_freeFunction · 0.85
cbm_sb_initFunction · 0.85
cbm_tree_table_headerFunction · 0.85

Tested by

no test coverage detected