Basic project creation (#3)

This PR contains the work done to create a new *Hummingbird* project with very basic configuration from the _colibri_ executable, just like the project you could create with the [Hummingbird template](https://github.com/hummingbird-project/template) project in Github. Reviewed-on: #3 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
2025-01-28 00:07:24 +00:00
parent b8c354e614
commit 9be8fa4a31
52 changed files with 1936 additions and 475 deletions
@@ -0,0 +1,75 @@
+import Foundation
+
+struct RunProcessTask {
+    
+    // MARK: Type aliases
+    
+    typealias Output = String
+    
+    // MARK: Properties
+    
+    private var process: Processable
+    
+    // MARK: Initialisers
+    
+    init(process: Processable) {
+        self.process = process
+    }
+    
+    // MARK: Functions
+    
+    @discardableResult
+    mutating func callAsFunction(
+        path: String, arguments: [String] = []
+    ) async throws (RunProcessError) -> Output {
+        process.executableURL = URL(at: path)
+        process.arguments = arguments
+        
+        let pipeError = Pipe()
+        let pipeOutput = Pipe()
+        
+        process.standardError = pipeError
+        process.standardOutput = pipeOutput
+        
+        async let streamOutput = pipeOutput.availableData.append()
+        async let streamError = pipeError.availableData.append()
+        
+        do {
+            try process.run()
+            
+            let dataOutput = await streamOutput
+            let dataError = await streamError
+            
+            guard dataError.isEmpty else {
+                guard let errorOutput = String(data: dataError, encoding: .utf8) else {
+                    throw RunProcessError.unexpected
+                }
+                
+                throw RunProcessError.output(errorOutput)
+            }
+            
+            guard let output = String(data: dataOutput, encoding: .utf8) else {
+                throw RunProcessError.unexpected
+            }
+            
+            return await withCheckedContinuation { continuation in
+                process.terminationHandler = { _ in
+                    continuation.resume(returning: output)
+                }
+            }
+        } catch let error as RunProcessError {
+            throw error
+        } catch {
+            throw RunProcessError.captured(error.localizedDescription)
+        }
+    }
+    
+}
+
+// MARK: - Errors
+
+public enum RunProcessError: Error, Equatable {
+    case captured(_ output: String)
+    case output(_ output: String)
+    case unexpected
+}