1 files changed, 231 insertions, 0 deletions
diff --git a/include/lib/ubjson/ubj.h b/include/lib/ubjson/ubj.h
new file mode 100644
index 0000000..f3d5ac8
--- /dev/null
+++ b/include/lib/ubjson/ubj.h
@@ -0,0 +1,231 @@
+#ifndef UBJ_H
+#define UBJ_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include<inttypes.h>
+#include<stdio.h>
+
+typedef enum
+{
+	UBJ_MIXED=0,			//NOT a type...or the type is mixed
+
+	UBJ_NULLTYPE,
+	UBJ_NOOP,
+	UBJ_BOOL_TRUE,
+	UBJ_BOOL_FALSE,
+	
+	UBJ_CHAR,
+	UBJ_STRING,
+	UBJ_HIGH_PRECISION,
+
+	UBJ_INT8,
+	UBJ_UINT8 ,
+	UBJ_INT16,
+	UBJ_INT32,
+	UBJ_INT64,
+	UBJ_FLOAT32 ,
+	UBJ_FLOAT64,
+
+	UBJ_ARRAY,
+	UBJ_OBJECT,
+
+	UBJ_NUM_TYPES				//this is the size of how many types there are (chris' trick)
+} UBJ_TYPE;
+
+
+
+//////////here is the declarations for the writer API////////////////////////////////////
+
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+struct ubjw_context_t_s;
+typedef struct ubjw_context_t_s ubjw_context_t;
+
+ubjw_context_t* ubjw_open_callback(void* userdata,
+	size_t(*write_cb)(const void* data, size_t size, size_t count, void* userdata),
+	int(*close_cb)(void* userdata),
+	void(*error_cb)(const char* error_msg)
+	);
+ubjw_context_t* ubjw_open_file(FILE*);
+ubjw_context_t* ubjw_open_memory(uint8_t* dst_b, uint8_t* dst_e);
+
+size_t ubjw_close_context(ubjw_context_t* ctx);
+
+void ubjw_write_string(ubjw_context_t* dst, const char* out);
+void ubjw_write_char(ubjw_context_t* dst, char out);
+
+void ubjw_write_uint8(ubjw_context_t* dst, uint8_t out);
+void ubjw_write_int8(ubjw_context_t* dst, int8_t out);
+void ubjw_write_int16(ubjw_context_t* dst, int16_t out);
+void ubjw_write_int32(ubjw_context_t* dst, int32_t out);
+void ubjw_write_int64(ubjw_context_t* dst, int64_t out);
+void ubjw_write_high_precision(ubjw_context_t* dst, const char* hp);
+
+void ubjw_write_integer(ubjw_context_t* dst, int64_t out);
+UBJ_TYPE ubjw_min_integer_type(int64_t in);
+
+void ubjw_write_float32(ubjw_context_t* dst, float out);
+void ubjw_write_float64(ubjw_context_t* dst, double out);
+
+void ubjw_write_floating_point(ubjw_context_t* dst, double out);
+
+void ubjw_write_noop(ubjw_context_t* dst);
+void ubjw_write_null(ubjw_context_t* dst);
+void ubjw_write_bool(ubjw_context_t* dst, uint8_t out);
+
+void ubjw_begin_array(ubjw_context_t* dst, UBJ_TYPE type, size_t count);
+
+void ubjw_begin_object(ubjw_context_t* dst, UBJ_TYPE type, size_t count);
+void ubjw_write_key(ubjw_context_t* dst, const char* key);
+void ubjw_end(ubjw_context_t* dst);
+
+//output an efficient buffer of types
+void ubjw_write_buffer(ubjw_context_t* dst, const uint8_t* data, UBJ_TYPE type, size_t count);
+
+//Proposal for N-D arrays
+void ubjw_begin_ndarray(ubjw_context_t* dst, UBJ_TYPE type, const size_t* dims, uint8_t ndims);
+void ubjw_write_ndbuffer(ubjw_context_t* dst,const uint8_t* data, UBJ_TYPE type, const size_t* dims, uint8_t ndims);
+
+
+//////////here is the declarations for the reader API////////////////////////////////////
+
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
+struct ubjr_context_t_s;
+typedef struct ubjr_context_t_s ubjr_context_t;
+
+//Open up a reader context for reading using a custom calllback
+ubjr_context_t* ubjr_open_callback(void* userdata,
+	size_t(*read_cb)(void* data, size_t size, size_t count, void* userdata),
+	int(*peek_cb)(void* userdata),
+	int(*close_cb)(void* userdata),
+	void(*error_cb)(const char* error_msg)
+	);
+
+//Open a context initialized to a UBJ file
+ubjr_context_t* ubjr_open_file(FILE*);
+
+//Open up a context initialized to a memory dump of a UBJ file (or a segment of a UBJ file)
+ubjr_context_t* ubjr_open_memory(const uint8_t* dst_b, const uint8_t* dst_e);
+
+//Close a reader context 
+size_t ubjr_close_context(ubjr_context_t* ctx);
+
+typedef char* ubjr_string_t;
+
+//An array that you read from the stream
+typedef struct ubjr_array_t_s
+{
+	uint8_t originally_sized;
+	UBJ_TYPE type;	
+	size_t size;	//total number of elements
+	void* values;
+	uint8_t num_dims;
+	size_t* dims;	//this could be faster if it was constant size, but would also make the size of the dynamic object a LOT bigger
+
+} ubjr_array_t;
+
+//a map that you read from the stream
+typedef struct ubjr_object_t_s
+{
+	uint8_t originally_sized;
+	UBJ_TYPE type;
+	size_t size;
+	void* values;
+	ubjr_string_t* keys;
+	void* metatable;		//don't use this..only useful for computing object_lookup
+} ubjr_object_t;
+
+//a dynamic type that you parsed.
+typedef struct ubjr_dynamic_t_s
+{
+	UBJ_TYPE type;
+	union
+	{
+		uint8_t boolean;
+		double real;
+		int64_t integer;
+		ubjr_string_t string;
+		ubjr_array_t container_array;
+		ubjr_object_t container_object;
+	};
+} ubjr_dynamic_t;
+
+//Parse a dynamic object from the stream
+ubjr_dynamic_t ubjr_read_dynamic(ubjr_context_t* ctx);
+void ubjr_cleanup_dynamic(ubjr_dynamic_t* dyn);
+
+ubjr_dynamic_t ubjr_object_lookup(ubjr_object_t* obj, const char* key);
+size_t ubjr_local_type_size(UBJ_TYPE typ);//should be equivalent to sizeof()
+size_t ubjr_ndarray_index(const ubjr_array_t* arr, const size_t* indices);
+
+
+//output an efficient buffer of types
+///void ubjr_read_buffer(struct ubjr_context_t* dst, const uint8_t* data, UBJ_TYPE type, size_t count);
+
+void ubjr_cleanup_dynamic(ubjr_dynamic_t* dyn);
+void ubjr_cleanup_array(ubjr_array_t* arr);
+void ubjr_cleanup_object(ubjr_object_t* obj);
+
+
+
+///////UBJ_RW api
+
+void ubjrw_write_dynamic(ubjw_context_t* ctx, ubjr_dynamic_t dobj,uint8_t optimize);
+//ubjrw_append_object(ubjw_context_t* ctx, ubjr_dynamic_t dobj);
+//ubjrw_append_array(ubjw_context_t* ctx, ubjr_dynamic_t dobj);
+
+#ifdef __cplusplus
+}
+
+/*
+#include<iostream>
+
+static size_t write_os(const void* data, size_t size, size_t count, void* userdata)
+{
+	size_t n = size*count;
+	reinterpret_cast<std::ostream*>(userdata)->write(data, n);
+	return n;
+}
+static void close_os(void* userdata)
+{
+	reinterpret_cast<std::ostream*>(userdata)->close();
+}
+
+static size_t read_is(void* data, size_t size, size_t count, void* userdata)
+{
+	size_t n = size*count;
+	reinterpret_cast<std::istream*>(userdata)->read(data, n);
+	return n;
+}
+static int peek_is(void* userdata)
+{
+	return reinterpret_cast<std::istream*>(userdata)->peek();
+}
+static void close_is(void* userdata)
+{
+	reinterpret_cast<std::istream*>(userdata)->close();
+}
+
+static ubjw_context_t* ubjw_open_stream(std::ostream& outstream)
+{
+	return ubjw_open_callback((void*)&outstream, write_os, close_os, NULL);
+}
+
+static ubjr_context_t* ubjr_open_stream(std::istream& instream)
+{
+	return ubjr_open_callback((void*)&instream, read_is, peek_is, close_is, NULL);
+}
+*/
+
+
+#endif
+
+#endif