Add path API

1 files changed, 31 insertions, 0 deletions

diff --git a/src/path_iter.h b/src/path_iter.h
new file mode 100644
index 0000000..b3b23e8
--- /dev/null
+++ b/src/path_iter.h
@@ -0,0 +1,31 @@
+// Copyright 2022 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#ifndef ZIX_PATH_ITER_H
+#define ZIX_PATH_ITER_H
+
+#include "index_range.h"
+
+#include "zix/attributes.h"
+
+typedef enum {
+  ZIX_PATH_ROOT_NAME,
+  ZIX_PATH_ROOT_DIRECTORY,
+  ZIX_PATH_FILE_NAME,
+  ZIX_PATH_END,
+} ZixPathIterState;
+
+typedef struct {
+  ZixIndexRange    range;
+  ZixPathIterState state;
+} ZixPathIter;
+
+ZIX_PURE_FUNC
+ZixPathIter
+zix_path_begin(const char* ZIX_NULLABLE path);
+
+ZIX_PURE_FUNC
+ZixPathIter
+zix_path_next(const char* ZIX_NONNULL path, ZixPathIter iter);
+
+#endif // ZIX_PATH_ITER_H