Add request parsing and related tests

[CGirls] / cgirls-test-pathinfo.c

diff --git a/cgirls-test-pathinfo.c b/cgirls-test-pathinfo.c
new file mode 100644 (file)
index 0000000..160797c
--- /dev/null
+++ b/cgirls-test-pathinfo.c
@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: 2025 Lady <https://www.ladys.computer/about/#lady>
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "aa.h"
+#include "request.h"
+
+// Read in lines from standard input, parse them as path info, and then
+// reserialize them to standard output.
+int cmd_main(int argc, [[maybe_unused]] const char* argv[argc+1]) {
+       char* lineptr[1] = { nullptr };
+       size_t linelen[1] = { 0 };
+       while (true) {
+               ssize_t readlen = getline(lineptr, linelen, stdin);
+               if (!feof(stdin) && readlen > 0) {
+                       char* line = nullptr;
+                       char* reline = nullptr;
+                       bool empty = false;
+                       if (readlen == 1) {
+                               line = "";
+                               empty = true;
+                       } else {
+                               line = strndup(lineptr[0], readlen - 1);
+                               if (!line) {
+                                       free(lineptr[0]);
+                                       fprintf(stderr, "Error: Failed to allocate string for line.\n");
+                                       return EXIT_FAILURE;
+                               }
+                       }
+                       cgirls_req req = cgirls_path2req(line);
+                       if (!empty) {
+                               free(line);
+                       }
+                       line = cgirls_req2path(req);
+                       cgirls_freereq(req);
+                       if (!line) {
+                               free(lineptr[0]);
+                               fprintf(stderr, "Error: Failed to allocate string for path.\n");
+                               return EXIT_FAILURE;
+                       }
+                       req = cgirls_path2req(line);
+                       reline = cgirls_req2path(req);
+                       cgirls_freereq(req);
+                       if (!reline) {
+                               free(lineptr[0]);
+                               free(line);
+                               fprintf(stderr, "Error: Failed to allocate another string for path.\n");
+                               return EXIT_FAILURE;
+                       }
+                       if (strcmp(line, reline) != 0) {
+                               free(lineptr[0]);
+                               fprintf(stderr, "Error: Path normalization was not idempotent for path <%s> (got <%s>).\n", line, reline);
+                               free(line);
+                               free(reline);
+                               return EXIT_FAILURE;
+                       }
+                       free(reline);
+                       fprintf(stdout, "%s\n", line);
+                       free(line);
+               } else if (!feof(stdin)) {
+                       free(lineptr[0]);
+                       fprintf(stderr, "Error: Got an error from trying to read from file.\n");
+                       return EXIT_FAILURE;
+               } else if (readlen > 0) {
+                       free(lineptr[0]);
+                       fprintf(stderr, "Error: Final line in file was not blank.\n");
+                       return EXIT_FAILURE;
+               } else {
+                       free(lineptr[0]);
+                       return EXIT_SUCCESS;
+               }
+       }
+}