chore: added Xcodegen and GitHub Action workflow for Carthage integration

.github/workflows/tests.yml

@@ -74,3 +74,51 @@ jobs:
             .build/debug/TPPDFPackageTests.xctest/Contents/MacOS/TPPDFPackageTests \
             --instr-profile .build/debug/codecov/default.profdata \
             --format="lcov" > coverage.lcov
+
+  carthage-integration:
+    name: Test Carthage Integration
+    runs-on: macos-14
+    timeout-minutes: 30
+    defaults:
+      run:
+        working-directory: Example iOS-Carthage
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+
+      - name: Patch Cartfile to pull request branch
+        if: github.event_name == 'pull_request'
+        run: |
+          ESCAPED_REF_NAME=$(echo "${{ github.head_ref }}" | sed 's/[\/&]/\\&/g')
+          sed  -i.bak "s/main/$ESCAPED_REF_NAME/g" Cartfile
+
+      - name: Carthage Update
+        env:
+          GITHUB_ACCESS_TOKEN: ${{ github.token }}
+        run: |
+          set -o pipefail && \
+          env NSUnbufferedIO=YES \
+          carthage update \
+            --no-use-binaries \
+            --use-xcframeworks \
+            --verbose | xcbeautify \
+            --preserve-unbeautified
+
+      - name: Carthage Build
+        env:
+          GITHUB_ACCESS_TOKEN: ${{ github.token }}
+        run: |
+          set -o pipefail && \
+          env NSUnbufferedIO=YES \
+          carthage build \
+            --verbose | xcbeautify \
+            --preserve-unbeautified
+
+      - name: Build for iOS
+        run: |
+          set -o pipefail && \
+          env NSUnbufferedIO=YES \
+          xcodebuild \
+            -project Example_iOS-Carthage.xcodeproj \
+            CODE_SIGNING_ALLOWED="NO" \
+            build 2>&1 | xcbeautify

Example iOS-Carthage/Example_iOS-Carthage.xcodeproj/project.pbxproj

@@ -42,7 +42,7 @@
 		D49855562461FB9A00D54270 /* Examples.swift in Sources */ = {isa = PBXBuildFile; fileRef = D49855552461FB9A00D54270 /* Examples.swift */; };
 		D49B06002658E7FD0084A0B7 /* DocumentSettingsExampleFactory.swift in Sources */ = {isa = PBXBuildFile; fileRef = D49B05FF2658E7FD0084A0B7 /* DocumentSettingsExampleFactory.swift */; };
 		D4D28D2323AA1A6D00028D5A /* ExamplesListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D4D28D2223AA1A6D00028D5A /* ExamplesListViewController.swift */; };
-		D4FF9A28249A488A006FF2ED /* TPPDF.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D4FF9A27249A488A006FF2ED /* TPPDF.framework */; };
+		D4E49EE92BF110EF00BC7B0A /* TPPDF.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D4FF9A27249A488A006FF2ED /* TPPDF.framework */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -91,7 +91,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				D4FF9A28249A488A006FF2ED /* TPPDF.framework in Frameworks */,
+				D4E49EE92BF110EF00BC7B0A /* TPPDF.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -343,7 +343,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/usr/local/bin/carthage copy-frameworks\n";
+			shellScript = "if [[ \"$(uname -m)\" == arm64 ]]; then\n    export PATH=\"/opt/homebrew/bin:$PATH\"\nfi\n\ncarthage copy-frameworks\n";
 		};
 /* End PBXShellScriptBuildPhase section */
 

Source/API/Document/PDFDocumentBackground.swift

@@ -1,3 +1,9 @@
+#if canImport(UIKit)
+import UIKit
+#elseif canImport(AppKit)
+import AppKit
+#endif
+
 /// Document background configuration
 public struct PDFDocumentBackground {
     /**

Source/API/Graphics/PDFBezierPath+Copying.swift

@@ -5,11 +5,7 @@
 //  Created by Philip Niedertscheider on 03.06.19.
 //
 
-#if os(iOS)
-    import UIKit
-#elseif os(macOS)
-    import AppKit
-#endif
+import Foundation
 
 // MARK: - PDFBezierPath + NSCopying