20210310

Author: clwi

.gitignore

@@ -12,5 +12,4 @@ cwpackModuleTest
 json2cwpack2json
 
 # Data files
-*.msgpack
 *.msgpack.json

README.md

@@ -77,3 +77,15 @@ CWPack has no dependencies to other libraries.
 ## Test
 
 Included in the test folder are a module test and a performance test and shell scripts to run them.
+
+# Objective-C
+
+CWPack also contains an Objective-C interface. The MessagePack home page example would look as:
+
+```C
+CWPackContext *pc = [CWPackContext newWithContext:my_cw_pack_context];
+[pc packObject:@{@"compact":@YES, @"schema":@0}];
+
+CWUnpackContext *uc = [CWUnpackContext newWithContext:my_cw_unpack_context];
+NSDictionary *dict = [uc unpackNextObject];
+```

goodies/dump/README.md

@@ -7,7 +7,7 @@ Syntax:
 cwpack_dump [-t 9] [-v][-r] [-h] < msgpackFile > humanReadableFile  
 -t 9 Tab size  
 -v   Version  
--r   Recognize records
+-r   Recognize records  
 -h   Help  
 
 Each topmost msgpack item in the file starts on a new line. Each line starts with a file offset (hex) of the first item on the line.
@@ -39,11 +39,15 @@ and  `cwpack_dump -t 4 < testdump.msgpack` prints:
 The -r option makes dump recognize Objective-C objects.  `cwpack_dump < testdump2.msgpack` prints:
 
 ```
-     0  [(127,<01>) "MyClass" [(127,<02>) "MyClass" [(127,<01>)]]]
+     0  [(127,<ff>) [[(127,<ff>)]]]
+     9  [(127,<01>) "MyClass" 10 [(127,<02>) "MyClass" 20 [(127,<01>)]]]
+    27  
 ```
 and `cwpack_dump  -r < testdump2.msgpack` prints
 
 ```
-     0  1->MyClass(2->MyClass(->1))
+     0  -1->[->-1]
+     9  1->MyClass(10 2->MyClass(20 ->1))
+    27  
 ```
 

goodies/dump/cwpack_dump

@@ -1,4 +1,6 @@
-/*      CWPack/goodies - cwpack_dump.c   */
+
+/*      CWPack/goodies/dump - cwpack_dump.c   */
+
 /*
  The MIT License (MIT)
 
@@ -30,20 +32,22 @@
 char tabString[21] = "                     ";
 bool recognizeObjects = false;
 
-#define NEW_LINE {printf ("\n%6x  ",(unsigned)(context->current - context->start)); for (ti=0; ti<tabLevel; ti++) printf ("%s",tabString);}
-#define CHECK_NEW_LINE if(*tabString) NEW_LINE else if (i) printf(" ")
+#define NEW_LINE(tablevel) {printf ("\n%6x  ",(unsigned)(context->current - context->start)); for (ti=0; ti<tablevel; ti++) printf ("%s",tabString);}
+#define CHECK_NEW_LINE if(*tabString) NEW_LINE(tabLevel) else if (i) printf(" ")
 
 /*******************************   DUMP NEXT ITEM   **********************************/
 
 static void dump_as_hex(const void* area, long length)
 {
     unsigned int i;
     unsigned char c;
+    printf("<");
     for (i=0; i < length; i++)
     {
         c = ((unsigned char*)area)[i];
         printf("%02x",c);
     }
+    printf(">");
 }
 static void dump_item( cw_unpack_context* context, int tabLevel);
 
@@ -62,8 +66,6 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
     struct tm tm;
     char    s[128];
 
-    if (!tabLevel) NEW_LINE;
-
     switch (context->item.type)
     {
         case CWP_ITEM_NIL:
@@ -121,9 +123,7 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
             break;}
 
         case CWP_ITEM_BIN:
-            printf("<");
             dump_as_hex (context->item.as.bin.start, context->item.as.bin.length);
-            printf(">");
             break;
 
         case CWP_ITEM_ARRAY:
@@ -148,7 +148,7 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
                     break;
                 }
                 if (label)
-                    printf("%ld->",labs(label));
+                    printf("%ld->",label);
                 if (!userObject)
                 {
                     if (dim != 2)
@@ -168,19 +168,20 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
                 }
                 printf("%.*s(",context->item.as.str.length, context->item.as.str.start);
                 tabLevel++;
-                for (i = 2; i < dim; i++)
+                for (i = 0; i < dim-2; i++)
                 {
                     CHECK_NEW_LINE;
                     dump_next_item(context,tabLevel);
                 }
                 tabLevel--;
-                if(*tabString) NEW_LINE;
+                if(*tabString) NEW_LINE(tabLevel);
                 printf(")");
             }
             else
             {
                 printf("[");
                 tabLevel++;
+                i = 0;
                 CHECK_NEW_LINE;
                 dump_item(context,tabLevel);
                 for (i = 1; i < dim; i++)
@@ -189,7 +190,7 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
                     dump_next_item(context,tabLevel);
                 }
                 tabLevel--;
-                if(*tabString) NEW_LINE;
+                if(*tabString) NEW_LINE(tabLevel);
                 printf("]");
             }
             break;
@@ -203,11 +204,11 @@ static void dump_item( cw_unpack_context* context, int tabLevel)
             {
                 CHECK_NEW_LINE;
                 dump_next_item(context,tabLevel);
-                printf(": ");
+                printf(":");
                 dump_next_item(context,tabLevel);
             }
             tabLevel--;
-            if(*tabString) NEW_LINE;
+            if(*tabString) NEW_LINE(tabLevel);
             printf("}");
             break;
 
@@ -288,6 +289,8 @@ int main(int argc, const char * argv[])
 
     while (!context->return_code)
     {
+        int ti;
+        NEW_LINE(0);
         dump_next_item(context,0);
     }
     printf("\n");

goodies/dump/cwpack_dump.c

@@ -0,0 +1,2 @@
+���������
�MyClass
+���MyClass��

goodies/dump/testdump.msgpack

@@ -0,0 +1,97 @@
+
+/*      CWPack/goodies/ObjC - CWPackContext.h   */
+
+/*
+ The MIT License (MIT)
+
+ Copyright (c) 2021 Claes Wihlborg
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ software and associated documentation files (the "Software"), to deal in the Software
+ without restriction, including without limitation the rights to use, copy, modify,
+ merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+ persons to whom the Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#import <Foundation/Foundation.h>
+#include "cwpack.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+
+
+
+
+@interface CWPackContext : NSObject
+
+@property (readonly)    cw_pack_context         *context;
+@property (readwrite)   BOOL                    useLabels;          // default NO
+
++ (instancetype) newWithContext:(cw_pack_context*)context;
+- (void) packObject:(nullable NSObject*)object;
+
+@end
+
+
+
+
+
+@interface CWUnpackContext : NSObject
+
+@property (readonly)    cw_unpack_context     *context;
+
++ (instancetype) newWithContext:(cw_unpack_context*)context;
+- (id) unpackNextObject;
+
+@end
+
+
+
+
+@protocol CWPackable <NSObject>
+
+@required
+@property (readonly)    int     persistentAttributeCount;
+- (void) cwPackSub:(CWPackContext*)ctx;
+- (void) cwUnpackSub:(CWUnpackContext*)ctx remainingAttributes:(int)remainingAttributes;
+
+@optional
+- (instancetype) cwUnpackSubInit:(CWUnpackContext*)ctx remainingAttributes:(int)remainingAttributes;
+
+@end
+
+
+
+
+@interface CWPackExternalItem : NSObject
+
+@property (readonly)            int         type;
+@property (readwrite, strong)   NSData*     data;
+
++ (instancetype) itemWithType:(int)type data:(NSData*)data;
+
+@end
+
+
+
+
+@interface CWPackGenericClass : NSObject <CWPackable>
+
+@property (readwrite,strong)   NSString         *packerClassName;
+@property (readwrite,strong)   NSMutableArray   *attributes;
+
++ (instancetype) newWithClassName:(NSString*)className;
+@end
+
+
+NS_ASSUME_NONNULL_END