1 files changed, 46 insertions, 0 deletions
diff --git a/lib/toolbox/stream/stream_i.h b/lib/toolbox/stream/stream_i.h
new file mode 100644
index 00000000..a62e174c
--- /dev/null
+++ b/lib/toolbox/stream/stream_i.h
@@ -0,0 +1,46 @@
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+#include "stream.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STREAM_CACHE_SIZE 512
+
+typedef struct StreamVTable StreamVTable;
+
+typedef void (*StreamFreeFn)(Stream* stream);
+typedef bool (*StreamEOFFn)(Stream* stream);
+typedef void (*StreamCleanFn)(Stream* stream);
+typedef bool (*StreamSeekFn)(Stream* stream, int32_t offset, StreamOffset offset_type);
+typedef size_t (*StreamTellFn)(Stream* stream);
+typedef size_t (*StreamSizeFn)(Stream* stream);
+typedef size_t (*StreamWriteFn)(Stream* stream, const uint8_t* data, size_t size);
+typedef size_t (*StreamReadFn)(Stream* stream, uint8_t* data, size_t count);
+typedef bool (*StreamDeleteAndInsertFn)(
+    Stream* stream,
+    size_t delete_size,
+    StreamWriteCB write_cb,
+    const void* ctx);
+
+struct StreamVTable {
+    const StreamFreeFn free;
+    const StreamEOFFn eof;
+    const StreamCleanFn clean;
+    const StreamSeekFn seek;
+    const StreamTellFn tell;
+    const StreamSizeFn size;
+    const StreamWriteFn write;
+    const StreamReadFn read;
+    const StreamDeleteAndInsertFn delete_and_insert;
+};
+
+struct Stream {
+    const StreamVTable* vtable;
+};
+
+#ifdef __cplusplus
+}
+#endif