Initial commit

Author: Chris Hulbert

MessagePack.h

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+// Copyright 2011 Media Innovations
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// MessagePack.h
+// This file is to be your main include point for access to this framework
+#import "NSData+MessagePack.h"

MessagePackParser.h

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+// Copyright 2011 Media Innovations
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  MessagePackParser.h
+//  Created by Chris Hulbert on 23/06/11.
+
+#import <Foundation/Foundation.h>
+
+@interface MessagePackParser : NSObject
+
++ (id)parseData:(NSData*)data;
+
+@end

MessagePackParser.m

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+// Copyright 2011 Media Innovations
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  MessagePackParser.m
+//  Created by Sugendran Ganess and Chris Hulbert
+
+#import "MessagePackParser.h"
+#include "msgpack_src/msgpack.h"
+
+@implementation MessagePackParser
+
+// This function returns a parsed object that you have the responsibility to release/autorelease (see 'create rule' in apple docs)
++(id) createUnpackedObject:(msgpack_object)obj {
+    switch (obj.type) {
+        case MSGPACK_OBJECT_BOOLEAN:
+            return [[NSNumber alloc] initWithBool:obj.via.boolean];
+            break;
+        case MSGPACK_OBJECT_POSITIVE_INTEGER:
+            return [[NSNumber alloc] initWithUnsignedLongLong:obj.via.u64];
+            break;
+        case MSGPACK_OBJECT_NEGATIVE_INTEGER:
+            return [[NSNumber alloc] initWithLongLong:obj.via.i64];
+            break;
+        case MSGPACK_OBJECT_DOUBLE:
+            return [[NSNumber alloc] initWithDouble:obj.via.dec];
+            break;
+        case MSGPACK_OBJECT_RAW:
+            return [[NSString alloc] initWithBytes:obj.via.raw.ptr length:obj.via.raw.size encoding:NSUTF8StringEncoding];
+            break;
+        case MSGPACK_OBJECT_ARRAY:
+        {
+            NSMutableArray *arr = [[NSMutableArray alloc] initWithCapacity:obj.via.array.size];
+            msgpack_object* const pend = obj.via.array.ptr + obj.via.array.size;
+            for(msgpack_object *p= obj.via.array.ptr;p < pend;p++){
+				id newArrayItem = [self createUnpackedObject:*p];
+                [arr addObject:newArrayItem];
+				[newArrayItem release];
+            }
+            return arr;
+        }
+            break;
+        case MSGPACK_OBJECT_MAP:
+        {
+            NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithCapacity:obj.via.map.size];
+            msgpack_object_kv* const pend = obj.via.map.ptr + obj.via.map.size;
+            for(msgpack_object_kv* p = obj.via.map.ptr; p < pend; p++){
+                id key = [self createUnpackedObject:p->key];
+                id val = [self createUnpackedObject:p->val];
+                [dict setValue:val forKey:key];
+				[key release];
+				[val release];
+            }
+            return dict;
+        }
+            break;
+        case MSGPACK_OBJECT_NIL:
+        default:
+            return [NSNull null]; // Since nsnull is a system singleton, we don't have to worry about ownership of it
+            break;
+    }
+}
+
+// Parse the given messagepack data into a NSDictionary or NSArray typically
++ (id)parseData:(NSData*)data {
+	msgpack_unpacked msg;
+	msgpack_unpacked_init(&msg);
+	bool success = msgpack_unpack_next(&msg, data.bytes, data.length, NULL); // Parse it into C-land
+	id results = success ? [self createUnpackedObject:msg.data] : nil; // Convert from C-land to Obj-c-land
+	msgpack_unpacked_destroy(&msg); // Free the parser
+	return [results autorelease];
+}
+
+@end

NSData+MessagePack.h

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+// Copyright 2011 Media Innovations
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  NSData+MessagePack.h
+//  Created by Chris Hulbert on 23/06/11.
+
+#import <Foundation/Foundation.h>
+
+// Adds MessagePack parsing to NSData
+@interface NSData (NSData_MessagePack)
+
+// Parses the receiver's data into a message pack array or dictionary
+- (id)messagePackParse;
+
+@end

NSData+MessagePack.m

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+// Copyright 2011 Media Innovations
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  NSData+MessagePack.m
+//  Created by Chris Hulbert on 23/06/11.
+
+#import "NSData+MessagePack.h"
+#import "MessagePackParser.h"
+
+@implementation NSData (NSData_MessagePack)
+
+-(id)messagePackParse {
+	return [MessagePackParser parseData:self];
+}
+
+@end

msgpack_src/msgpack.h

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+/*
+ * MessagePack for C
+ *
+ * Copyright (C) 2008-2009 FURUHASHI Sadayuki
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+/**
+ * @defgroup msgpack MessagePack C
+ * @{
+ * @}
+ */
+#include "msgpack/object.h"
+#include "msgpack/zone.h"
+#include "msgpack/pack.h"
+#include "msgpack/unpack.h"
+#include "msgpack/sbuffer.h"
+#include "msgpack/vrefbuffer.h"
+#include "msgpack/version.h"
+

msgpack_src/msgpack/object.h

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+/*
+ * MessagePack for C dynamic typing routine
+ *
+ * Copyright (C) 2008-2009 FURUHASHI Sadayuki
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+#ifndef MSGPACK_OBJECT_H__
+#define MSGPACK_OBJECT_H__
+
+#include "zone.h"
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup msgpack_object Dynamically typed object
+ * @ingroup msgpack
+ * @{
+ */
+
+typedef enum {
+	MSGPACK_OBJECT_NIL					= 0x00,
+	MSGPACK_OBJECT_BOOLEAN				= 0x01,
+	MSGPACK_OBJECT_POSITIVE_INTEGER		= 0x02,
+	MSGPACK_OBJECT_NEGATIVE_INTEGER		= 0x03,
+	MSGPACK_OBJECT_DOUBLE				= 0x04,
+	MSGPACK_OBJECT_RAW					= 0x05,
+	MSGPACK_OBJECT_ARRAY				= 0x06,
+	MSGPACK_OBJECT_MAP					= 0x07,
+} msgpack_object_type;
+
+
+struct msgpack_object;
+struct msgpack_object_kv;
+
+typedef struct {
+	uint32_t size;
+	struct msgpack_object* ptr;
+} msgpack_object_array;
+
+typedef struct {
+	uint32_t size;
+	struct msgpack_object_kv* ptr;
+} msgpack_object_map;
+
+typedef struct {
+	uint32_t size;
+	const char* ptr;
+} msgpack_object_raw;
+
+typedef union {
+	bool boolean;
+	uint64_t u64;
+	int64_t  i64;
+	double   dec;
+	msgpack_object_array array;
+	msgpack_object_map map;
+	msgpack_object_raw raw;
+} msgpack_object_union;
+
+typedef struct msgpack_object {
+	msgpack_object_type type;
+	msgpack_object_union via;
+} msgpack_object;
+
+typedef struct msgpack_object_kv {
+	msgpack_object key;
+	msgpack_object val;
+} msgpack_object_kv;
+
+
+void msgpack_object_print(FILE* out, msgpack_object o);
+
+bool msgpack_object_equal(const msgpack_object x, const msgpack_object y);
+
+/** @} */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* msgpack/object.h */
+