1 files changed, 32 insertions, 0 deletions
diff --git a/source/kit/input_stream.h b/source/kit/input_stream.h
new file mode 100644
index 0000000..c59a720
--- /dev/null
+++ b/source/kit/input_stream.h
@@ -0,0 +1,32 @@
+#ifndef KIT_INPUT_STREAM_H
+#define KIT_INPUT_STREAM_H
+
+#include "allocator.h"
+#include "string_ref.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef ptrdiff_t (*is_read_fn)(void *state, out_str destination);
+
+struct is_handle {
+  void      *state;
+  is_read_fn read;
+};
+
+struct is_handle is_wrap_string(cstr                 string,
+                                struct kit_allocator alloc);
+
+void is_destroy(struct is_handle in);
+
+#define IS_WRAP_STRING(string) \
+  is_wrap_string((string), kit_alloc_default())
+
+#define IS_READ(in, destination) (in).read((in).state, (destination))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif