Added SPM support

.github/workflows/ci.yaml

@@ -32,13 +32,22 @@ jobs:
     name: CocoaPods
     runs-on: macOS-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Lint
         run: make cocoapods
   carthage:
     name: Carthage
     runs-on: macOS-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: carthage
         run: make carthage
+  swift-package-manager:
+    runs-on: macos-latest
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_12.app/Contents/Developer
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Verify that PINCache can be build by SPM
+        run: make spm

.gitignore

@@ -23,3 +23,8 @@ xcuserdata
 /.buckd
 
 Carthage/Build
+
+# SPM
+.swiftpm/
+.build/
+Package.resolved

Makefile

@@ -2,7 +2,7 @@ PLATFORM="platform=iOS Simulator,name=iPhone 8"
 SDK="iphonesimulator"
 SHELL=/bin/bash -o pipefail
 
-.PHONY: all cocoapods test carthage analyze
+.PHONY: all cocoapods test carthage analyze spm
 
 cocoapods:
 	pod lib lint
@@ -25,4 +25,10 @@ carthage:
 	carthage update --no-use-binaries --no-build
 	carthage build --no-skip-current
 
-all: carthage cocoapods test analyze
+spm:
+# For now just check whether we can assemble it
+# TODO: replace it with "swift test --enable-test-discovery --sanitize=thread" when swiftPM resource-related bug would be fixed.
+# https://bugs.swift.org/browse/SR-13560
+	swift build
+
+all: carthage cocoapods test analyze spm

Package.swift

@@ -0,0 +1,47 @@
+// swift-tools-version:5.3
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "PINCache",
+    platforms: [
+        .macOS(.v10_10),
+        .iOS(.v9),
+        .watchOS(.v2),
+        .tvOS(.v9)
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "PINCache",
+            targets: ["PINCache"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+        .package(url: "https://github.com/pinterest/PINOperation.git", from: "1.2.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "PINCache",
+            dependencies: ["PINOperation"],
+            path: "Source",
+            exclude: ["Carthage", "docs",
+                      "build_docs.sh", "Cartfile",
+                      "Cartfile.resolved", "Makefile",
+                      "PINCache.podspec", "Info.plist"],
+            publicHeadersPath: "."),
+        .testTarget(
+            name: "PINCacheTests",
+            dependencies: ["PINCache"],
+            path: "Tests",
+            exclude: ["Info.plist"],
+            resources: [.process("[email protected]")],
+            cSettings: [
+                .define("TEST_AS_SPM"),
+            ]),
+    ]
+)

Source/PINCache.h

@@ -4,10 +4,10 @@
 
 #import <Foundation/Foundation.h>
 
-#import <PINCache/PINCacheMacros.h>
-#import <PINCache/PINCaching.h>
-#import <PINCache/PINDiskCache.h>
-#import <PINCache/PINMemoryCache.h>
+#import "PINCacheMacros.h"
+#import "PINCaching.h"
+#import "PINDiskCache.h"
+#import "PINMemoryCache.h"
 
 NS_ASSUME_NONNULL_BEGIN
 

Source/PINCache.m

@@ -4,7 +4,7 @@
 
 #import "PINCache.h"
 
-#import <PINOperation/PINOperation.h>
+@import PINOperation;
 
 static NSString * const PINCachePrefix = @"com.pinterest.PINCache";
 static NSString * const PINCacheSharedName = @"PINCacheShared";

Source/PINDiskCache.h

@@ -4,9 +4,9 @@
 
 #import <Foundation/Foundation.h>
 
-#import <PINCache/PINCacheMacros.h>
-#import <PINCache/PINCaching.h>
-#import <PINCache/PINCacheObjectSubscripting.h>
+#import "PINCacheMacros.h"
+#import "PINCaching.h"
+#import "PINCacheObjectSubscripting.h"
 
 NS_ASSUME_NONNULL_BEGIN
 

Source/PINDiskCache.m

@@ -11,7 +11,7 @@
 #import <pthread.h>
 #import <sys/xattr.h>
 
-#import <PINOperation/PINOperation.h>
+@import PINOperation;
 
 #define PINDiskCacheError(error) if (error) { NSLog(@"%@ (%d) ERROR: %@", \
 [[NSString stringWithUTF8String:__FILE__] lastPathComponent], \

Source/PINMemoryCache.h

@@ -4,9 +4,9 @@
 
 #import <Foundation/Foundation.h>
 
-#import <PINCache/PINCacheMacros.h>
-#import <PINCache/PINCaching.h>
-#import <PINCache/PINCacheObjectSubscripting.h>
+#import "PINCacheMacros.h"
+#import "PINCaching.h"
+#import "PINCacheObjectSubscripting.h"
 
 NS_ASSUME_NONNULL_BEGIN
 

Source/PINMemoryCache.m

@@ -5,7 +5,7 @@
 #import "PINMemoryCache.h"
 
 #import <pthread.h>
-#import <PINOperation/PINOperation.h>
+@import PINOperation;
 
 #if __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_4_0
 #import <UIKit/UIKit.h>

Tests/PINCacheTests.m

@@ -2,11 +2,12 @@
 //  Modifications by Garrett Moon
 //  Copyright (c) 2015 Pinterest. All rights reserved.
 
+@import PINCache;
+@import PINOperation;
+
 #import "PINCacheTests.h"
 #import "NSDate+PINCacheTests.h"
 #import "PINDiskCache+PINCacheTests.h"
-#import <PINCache/PINCache.h>
-#import <PINOperation/PINOperation.h>
 
 
 #if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
@@ -79,8 +80,14 @@ - (PINImage *)image
     static PINImage *image = nil;
 
     if (!image) {
+#ifdef TEST_AS_SPM
+        NSBundle *bun = SWIFTPM_MODULE_BUNDLE;
+#else
+        NSBundle *bun = [NSBundle bundleForClass:self.class];
+
+#endif
+        NSURL *imageURL = [bun URLForResource:@"Default-568h@2x" withExtension:@"png"];
         NSError *error = nil;
-        NSURL *imageURL = [[NSBundle bundleForClass:self.class] URLForResource:@"Default-568h@2x" withExtension:@"png"];
         NSData *imageData = [[NSData alloc] initWithContentsOfURL:imageURL
                                                           options:NSDataReadingUncached
                                                             error:&error];

Tests/PINDiskCache+PINCacheTests.h

@@ -1,4 +1,4 @@
-#import <PINCache/PINCache.h>
+#import "PINCache.h"
 
 @interface PINDiskCache (PINCacheTests)
 

Tests/PINDiskCache+PINCacheTests.m

@@ -15,7 +15,7 @@ @implementation PINDiskCache (PINCacheTests)
 - (void)setTtlCacheSync:(BOOL)ttlCache
 {
     [self lock];
-        self->_ttlCache = ttlCache;
+    [self setValue:@(ttlCache) forKey:@"_ttlCache"];
     [self unlock];
 }