Add dot-syntax support.

Bolts.xcodeproj/project.pbxproj

@@ -7,6 +7,12 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		1FA01DD018A0651600D20BDC /* BFTask+DotSyntax.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */; };
+		1FA01DD118A0651600D20BDC /* BFTask+DotSyntax.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */; };
+		1FA01DD218A0651600D20BDC /* BFTask+DotSyntax.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */; };
+		1FA01DD318A0651600D20BDC /* BFTask+DotSyntax.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */; };
+		1FA01DD718A06A5400D20BDC /* DotSyntaxedTaskTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DD418A06A5400D20BDC /* DotSyntaxedTaskTests.m */; };
+		1FA01DD818A06A5400D20BDC /* DotSyntaxedTaskTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 1FA01DD418A06A5400D20BDC /* DotSyntaxedTaskTests.m */; };
 		8E0B5CD817E139660066379B /* BFTask.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = 8E9C3D1E17DEA35700427E62 /* BFTask.h */; };
 		8E0B5CD917E1396C0066379B /* BFTaskCompletionSource.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = 8E9C3D2017DEA35700427E62 /* BFTaskCompletionSource.h */; };
 		8E17EC261805D0960049E862 /* Bolts.m in Sources */ = {isa = PBXBuildFile; fileRef = 8EA6BF661805CED500337041 /* Bolts.m */; };
@@ -105,6 +111,9 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		1FA01DCE18A0651600D20BDC /* BFTask+DotSyntax.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "BFTask+DotSyntax.h"; sourceTree = "<group>"; };
+		1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "BFTask+DotSyntax.m"; sourceTree = "<group>"; };
+		1FA01DD418A06A5400D20BDC /* DotSyntaxedTaskTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DotSyntaxedTaskTests.m; sourceTree = "<group>"; };
 		8E0B5CDA17E13B4C0066379B /* BoltsVersion.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BoltsVersion.h; sourceTree = "<group>"; };
 		8E8C8ED217F23C3B00E3F1C7 /* XCTest.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = XCTest.framework; path = Library/Frameworks/XCTest.framework; sourceTree = DEVELOPER_DIR; };
 		8E8C8ED917F23C3B00E3F1C7 /* BoltsTests-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "BoltsTests-Info.plist"; sourceTree = "<group>"; };
@@ -173,6 +182,7 @@
 			children = (
 				8EA6BF681805CF5600337041 /* BoltsTests.m */,
 				8E9C3D1C17DE9F6500427E62 /* TaskTests.m */,
+				1FA01DD418A06A5400D20BDC /* DotSyntaxedTaskTests.m */,
 				8E8C8ED817F23C3B00E3F1C7 /* Supporting Files */,
 			);
 			path = BoltsTests;
@@ -229,6 +239,8 @@
 				8EB2CB411805DDDB00323385 /* BFExecutor.m */,
 				8E9C3D1E17DEA35700427E62 /* BFTask.h */,
 				8E9C3D1F17DEA35700427E62 /* BFTask.m */,
+				1FA01DCE18A0651600D20BDC /* BFTask+DotSyntax.h */,
+				1FA01DCF18A0651600D20BDC /* BFTask+DotSyntax.m */,
 				8E9C3D2017DEA35700427E62 /* BFTaskCompletionSource.h */,
 				8E9C3D2117DEA35700427E62 /* BFTaskCompletionSource.m */,
 				8E9C3CEF17DE9DE000427E62 /* Supporting Files */,
@@ -380,6 +392,8 @@
 			files = (
 				8EA6BF691805CF5600337041 /* BoltsTests.m in Sources */,
 				8E8C8EFB17F23E5F00E3F1C7 /* TaskTests.m in Sources */,
+				1FA01DD718A06A5400D20BDC /* DotSyntaxedTaskTests.m in Sources */,
+				1FA01DD218A0651600D20BDC /* BFTask+DotSyntax.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -389,6 +403,8 @@
 			files = (
 				8E17EC271805D0A40049E862 /* BoltsTests.m in Sources */,
 				8E8C8F2917F241FF00E3F1C7 /* TaskTests.m in Sources */,
+				1FA01DD818A06A5400D20BDC /* DotSyntaxedTaskTests.m in Sources */,
+				1FA01DD318A0651600D20BDC /* BFTask+DotSyntax.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -398,6 +414,7 @@
 			files = (
 				8EA6BF671805CED500337041 /* Bolts.m in Sources */,
 				8E9C3D2217DEA35700427E62 /* BFTask.m in Sources */,
+				1FA01DD018A0651600D20BDC /* BFTask+DotSyntax.m in Sources */,
 				8EB2CB421805DDDB00323385 /* BFExecutor.m in Sources */,
 				8E9C3D2417DEA35700427E62 /* BFTaskCompletionSource.m in Sources */,
 			);
@@ -409,6 +426,7 @@
 			files = (
 				8E42701E1805E59A000B84ED /* BFExecutor.m in Sources */,
 				8E17EC261805D0960049E862 /* Bolts.m in Sources */,
+				1FA01DD118A0651600D20BDC /* BFTask+DotSyntax.m in Sources */,
 				8EDDA62D17E17DDC00655F8A /* BFTask.m in Sources */,
 				8EDDA62E17E17DDC00655F8A /* BFTaskCompletionSource.m in Sources */,
 			);

Bolts/BFTask+DotSyntax.h

@@ -0,0 +1,26 @@
+//
+//  BFTask+DotSyntax.h
+//  Bolts
+//
+//  Created by Yasuhiro Inami on 2014/02/04.
+//  Copyright (c) 2014年 Parse Inc. All rights reserved.
+//
+
+#import "BFTask.h"
+
+@interface BFTask (DotSyntax)
+
++ (BFTask * (^)(id result))taskWithResult;
++ (BFTask * (^)(NSError *error))taskWithError;
++ (BFTask * (^)(NSException *exception))taskWithException;
++ (BFTask * (^)(NSArray *result))taskForCompletionOfAllTasks;
++ (BFTask * (^)(int millis))taskWithDelay;
+
+- (BFTask * (^)(BFContinuationBlock block))continueWithBlock;
+- (BFTask * (^)(BFContinuationBlock block))continueWithSuccessBlock;
+
+- (BFTask * (^)(BFExecutor *executor))continueWithExecutor;
+- (BFTask * (^)(BFContinuationBlock block))withBlock;
+- (BFTask * (^)(BFContinuationBlock block))withSuccessBlock;
+
+@end

Bolts/BFTask+DotSyntax.m

@@ -0,0 +1,80 @@
+//
+//  BFTask+DotSyntax.m
+//  Bolts
+//
+//  Created by Yasuhiro Inami on 2014/02/04.
+//  Copyright (c) 2014年 Parse Inc. All rights reserved.
+//
+
+#import "BFTask+DotSyntax.h"
+
+@implementation BFTask (DotSyntax)
+
++ (BFTask * (^)(id))taskWithResult
+{
+    return ^BFTask*(id result) {
+        return [self taskWithResult:result];
+    };
+}
+
++ (BFTask * (^)(NSError *))taskWithError
+{
+    return ^BFTask*(NSError *error) {
+        return [self taskWithError:error];
+    };
+}
+
++ (BFTask * (^)(NSException *))taskWithException
+{
+    return ^BFTask*(NSException *exception) {
+        return [self taskWithException:exception];
+    };
+}
+
++ (BFTask * (^)(NSArray *))taskForCompletionOfAllTasks
+{
+    return ^BFTask*(NSArray *result) {
+        return [self taskForCompletionOfAllTasks:result];
+    };
+}
+
++ (BFTask * (^)(int))taskWithDelay
+{
+    return ^BFTask*(int millis) {
+        return [self taskWithDelay:millis];
+    };
+}
+
+- (BFTask * (^)(BFContinuationBlock block))continueWithBlock
+{
+    return ^BFTask*(BFContinuationBlock block) {
+        return [self continueWithBlock:block];
+    };
+}
+
+- (BFTask * (^)(BFContinuationBlock block))continueWithSuccessBlock
+{
+    return ^BFTask*(BFContinuationBlock block) {
+        return [self continueWithSuccessBlock:block];
+    };
+}
+
+- (BFTask * (^)(BFExecutor *executor))continueWithExecutor
+{
+    return ^BFTask*(BFExecutor *executor) {
+        self.executor = executor;
+        return self;
+    };
+}
+
+- (BFTask * (^)(BFContinuationBlock block))withBlock
+{
+    return self.continueWithBlock;
+}
+
+- (BFTask * (^)(BFContinuationBlock block))withSuccessBlock
+{
+    return self.continueWithSuccessBlock;
+}
+
+@end

Bolts/BFTask.h

@@ -58,6 +58,8 @@ typedef id(^BFContinuationBlock)(BFTask *task);
  */
 + (BFTask *)taskWithDelay:(int)millis;
 
+@property (nonatomic) BFExecutor *executor;
+
 // Properties that will be set on the task once it is completed.
 
 /*!

Bolts/BFTask.m

@@ -41,6 +41,7 @@ - (id)init {
         self.lock = [[NSObject alloc] init];
         self.condition = [[NSCondition alloc] init];
         self.callbacks = [NSMutableArray array];
+        self.executor = [BFExecutor defaultExecutor];
     }
     return self;
 }
@@ -264,11 +265,12 @@ - (void)runContinuations {
 
 - (BFTask *)continueWithExecutor:(BFExecutor *)executor
                        withBlock:(BFContinuationBlock)block {
+    self.executor = executor;
     BFTaskCompletionSource *tcs = [BFTaskCompletionSource taskCompletionSource];
 
     // Capture all of the state that needs to used when the continuation is complete.
     void (^wrappedBlock)() = ^() {
-        [executor execute:^{
+        [self.executor execute:^{
             id result = nil;
             @try {
                 result = block(self);

Bolts/Bolts.h

@@ -11,6 +11,7 @@
 #import "BoltsVersion.h"
 #import "BFExecutor.h"
 #import "BFTask.h"
+#import "BFTask+DotSyntax.h"
 #import "BFTaskCompletionSource.h"
 
 /*! @abstract 80175001: There were multiple errors. */

BoltsTests/DotSyntaxedTaskTests.m

@@ -0,0 +1,64 @@
+/*
+ *  Copyright (c) 2014, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+#import <XCTest/XCTest.h>
+
+#import "Bolts.h"
+
+@interface DotSyntaxedTaskTests : XCTestCase
+@end
+
+@implementation DotSyntaxedTaskTests
+
+- (void)setUp {
+    [super setUp];
+}
+
+- (void)tearDown {
+    [super tearDown];
+}
+
+- (void)testPassOnError {
+    NSError *originalError = [NSError errorWithDomain:@"Bolts" code:30 userInfo:nil];
+    [BFTask.taskWithError(originalError).continueWithSuccessBlock(^id(BFTask *task) {
+        XCTFail(@"This callback should be skipped.");
+        return nil;
+    }).continueWithSuccessBlock(^id(BFTask *task) {
+        XCTFail(@"This callback should be skipped.");
+        return nil;
+    }).continueWithBlock(^id(BFTask *task) {
+        XCTAssertNotNil(task.error);
+        XCTAssertEqual((NSInteger)30, task.error.code);
+        NSError *newError = [NSError errorWithDomain:@"Bolts" code:31 userInfo:nil];
+        return BFTask.taskWithError(newError);
+    }).continueWithSuccessBlock(^id(BFTask *task) {
+        XCTFail(@"This callback should be skipped.");
+        return nil;
+    }).continueWithBlock(^id(BFTask *task) {
+        XCTAssertNotNil(task.error);
+        XCTAssertEqual((NSInteger)31, task.error.code);
+        return BFTask.taskWithResult(@"okay");
+    }).continueWithSuccessBlock(^id(BFTask *task) {
+        XCTAssertEqualObjects(@"okay", task.result);
+        return nil;
+    }) waitUntilFinished];
+}
+
+- (void)testExecuteImmediately {
+    XCTAssertTrue([NSThread isMainThread]);
+    BFTask *task = [BFTask taskWithResult:nil];
+    task = task.continueWithExecutor([BFExecutor immediateExecutor]).withBlock(^id(BFTask *task) {
+        XCTAssertTrue([NSThread isMainThread]);
+        return nil;
+    });
+    XCTAssertTrue(task.isCompleted);
+}
+
+@end