@craig-at-rsg add PSPDFThreadSafeMutableDictionary for iOS/macOS

PSPDFThreadSafeMutableDictionary.m from https://gist.github.com/steipete/5928916

ref: storesafe#716

LICENSE.md

@@ -14,6 +14,8 @@ MIT only
 
 based on Phonegap-SQLitePlugin by @davibe (Davide Bertola <[email protected]>) and @joenoon (Joe Noon <[email protected]>)
 
+includes PSPDFThreadSafeMutableDictionary (PSPDFThreadSafeMutableDictionary.m <https://gist.github.com/steipete/5928916>) MIT license by @steipete (<https://gist.github.com/steipete>)
+
 ## REMOVED from this version branch: Windows (8.1/...) version
 
 MIT or Apache 2.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cordova-sqlite-legacy-express-core",
-  "version": "1.0.1",
+  "version": "1.0.2-pre00",
   "description": "Native interface to SQLite for PhoneGap/Cordova (legacy express core version)",
   "cordova": {
     "id": "cordova-sqlite-legacy-express-core",

plugin.xml

@@ -2,7 +2,7 @@
 <plugin xmlns="http://www.phonegap.com/ns/plugins/1.0"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="cordova-sqlite-legacy-express-core"
-    version="1.0.1">
+    version="1.0.2-pre00">
 
     <name>Cordova sqlite storage plugin - legacy express core version</name>
 

src/ios/PSPDFThreadSafeMutableDictionary.h

@@ -0,0 +1,28 @@
+// PSPDFThreadSafeMutableDictionary.h header copied from
+// PSPDFThreadSafeMutableDictionary.m
+//
+// Copyright (c) 2013 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
+//
+// 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>
+
+// Dictionary-Subclasss whose primitive operations are thread safe.
+@interface PSPDFThreadSafeMutableDictionary : NSMutableDictionary
+@end

src/ios/PSPDFThreadSafeMutableDictionary.m

@@ -0,0 +1,159 @@
+//
+// PSPDFThreadSafeMutableDictionary.m
+//
+// Copyright (c) 2013 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
+//
+// 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>
+
+// Dictionary-Subclasss whose primitive operations are thread safe.
+@interface PSPDFThreadSafeMutableDictionary : NSMutableDictionary
+@end
+
+// ----------------------------------------------------------------
+
+//
+//  PSPDFThreadSafeMutableDictionary.m
+//  PSPDFKit
+//
+//  Copyright (c) 2013 PSPDFKit GmbH. All rights reserved.
+//
+
+#import "PSPDFThreadSafeMutableDictionary.h"
+#import <libkern/OSAtomic.h>
+
+#define LOCKED(...) OSSpinLockLock(&_lock); \
+__VA_ARGS__; \
+OSSpinLockUnlock(&_lock);
+
+@implementation PSPDFThreadSafeMutableDictionary {
+    OSSpinLock _lock;
+    NSMutableDictionary *_dictionary; // Class Cluster!
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark - NSObject
+
+- (id)init {
+    return [self initWithCapacity:0];
+}
+
+- (id)initWithObjects:(NSArray *)objects forKeys:(NSArray *)keys {
+    if ((self = [self initWithCapacity:objects.count])) {
+        [objects enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+            _dictionary[keys[idx]] = obj;
+        }];
+    }
+    return self;
+}
+
+- (id)initWithCapacity:(NSUInteger)capacity {
+    if ((self = [super init])) {
+        _dictionary = [[NSMutableDictionary alloc] initWithCapacity:capacity];
+        _lock = OS_SPINLOCK_INIT;
+    }
+    return self;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark - NSMutableDictionary
+
+- (void)setObject:(id)anObject forKey:(id<NSCopying>)aKey {
+    LOCKED(_dictionary[aKey] = anObject)
+}
+
+- (void)addEntriesFromDictionary:(NSDictionary *)otherDictionary {
+    LOCKED([_dictionary addEntriesFromDictionary:otherDictionary]);
+}
+
+- (void)setDictionary:(NSDictionary *)otherDictionary {
+    LOCKED([_dictionary setDictionary:otherDictionary]);
+}
+
+- (void)removeObjectForKey:(id)aKey {
+    LOCKED([_dictionary removeObjectForKey:aKey])
+}
+
+- (void)removeAllObjects {
+    LOCKED([_dictionary removeAllObjects]);
+}
+
+- (NSUInteger)count {
+    LOCKED(NSUInteger count = _dictionary.count)
+    return count;
+}
+
+- (NSArray *)allKeys {
+    LOCKED(NSArray *allKeys = _dictionary.allKeys)
+    return allKeys;
+}
+
+- (NSArray *)allValues {
+    LOCKED(NSArray *allValues = _dictionary.allValues)
+    return allValues;
+}
+
+- (id)objectForKey:(id)aKey {
+    LOCKED(id obj = _dictionary[aKey])
+    return obj;
+}
+
+- (NSEnumerator *)keyEnumerator {
+    LOCKED(NSEnumerator *keyEnumerator = [_dictionary keyEnumerator])
+    return keyEnumerator;
+}
+
+- (id)copyWithZone:(NSZone *)zone {
+    return [self mutableCopyWithZone:zone];
+}
+
+- (id)mutableCopyWithZone:(NSZone *)zone {
+    LOCKED(id copiedDictionary = [[self.class allocWithZone:zone] initWithDictionary:_dictionary])
+    return copiedDictionary;
+}
+
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
+                                  objects:(id __unsafe_unretained [])stackbuf
+                                    count:(NSUInteger)len {
+    LOCKED(NSUInteger count = [[_dictionary copy] countByEnumeratingWithState:state objects:stackbuf count:len]);
+    return count;
+}
+
+- (void)performLockedWithDictionary:(void (^)(NSDictionary *dictionary))block {
+    if (block) LOCKED(block(_dictionary));
+}
+
+- (BOOL)isEqual:(id)object {
+    if (object == self) return YES;
+
+    if ([object isKindOfClass:PSPDFThreadSafeMutableDictionary.class]) {
+        PSPDFThreadSafeMutableDictionary *other = object;
+        __block BOOL isEqual = NO;
+        [other performLockedWithDictionary:^(NSDictionary *dictionary) {
+            [self performLockedWithDictionary:^(NSDictionary *otherDictionary) {
+                isEqual = [dictionary isEqual:otherDictionary];
+            }];
+        }];
+        return isEqual;
+    }
+    return NO;
+}
+
+@end