Add Example App

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Assets.xcassets/AccentColor.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/CodeEditSourceEditorExample.entitlements

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.app-sandbox</key>
+    <true/>
+    <key>com.apple.security.files.user-selected.read-write</key>
+    <true/>
+</dict>
+</plist>

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/CodeEditSourceEditorExampleApp.swift

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+//
+//  CodeEditSourceEditorExampleApp.swift
+//  CodeEditSourceEditorExample
+//
+//  Created by Khan Winter on 2/24/24.
+//
+
+import SwiftUI
+
+@main
+struct CodeEditSourceEditorExampleApp: App {
+    var body: some Scene {
+        DocumentGroup(newDocument: CodeEditSourceEditorExampleDocument()) { file in
+            ContentView(document: file.$document, fileURL: file.fileURL)
+        }
+    }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Documents/CodeEditSourceEditorExampleDocument.swift

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+//
+//  CodeEditSourceEditorExampleDocument.swift
+//  CodeEditSourceEditorExample
+//
+//  Created by Khan Winter on 2/24/24.
+//
+
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct CodeEditSourceEditorExampleDocument: FileDocument {
+    var text: String
+
+    init(text: String = "") {
+        self.text = text
+    }
+
+    static var readableContentTypes: [UTType] {
+        [
+            .sourceCode,
+            .plainText,
+            .delimitedText,
+            .script
+        ]
+    }
+
+    init(configuration: ReadConfiguration) throws {
+        guard let data = configuration.file.regularFileContents,
+              let string = String(data: data, encoding: .utf8)
+        else {
+            throw CocoaError(.fileReadCorruptFile)
+        }
+        text = string
+    }
+
+    func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper {
+        let data = text.data(using: .utf8)!
+        return .init(regularFileWithContents: data)
+    }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Extensions/EditorTheme+Default.swift

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+//
+//  EditorTheme+Default.swift
+//  CodeEditSourceEditorExample
+//
+//  Created by Khan Winter on 2/24/24.
+//
+
+import Foundation
+import AppKit
+import CodeEditSourceEditor
+
+extension EditorTheme {
+    static var standard: EditorTheme {
+        EditorTheme(
+            text: .init(hex: "000000"),
+            insertionPoint: .init(hex: "000000"),
+            invisibles: .init(hex: "D6D6D6"),
+            background: .init(hex: "FFFFFF"),
+            lineHighlight: .init(hex: "ECF5FF"),
+            selection: .init(hex: "B2D7FF"),
+            keywords: .init(hex: "9B2393"),
+            commands: .init(hex: "326D74"),
+            types: .init(hex: "0B4F79"),
+            attributes: .init(hex: "815F03"),
+            variables: .init(hex: "0F68A0"),
+            values: .init(hex: "6C36A9"),
+            numbers: .init(hex: "1C00CF"),
+            strings: .init(hex: "C41A16"),
+            characters: .init(hex: "1C00CF"),
+            comments: .init(hex: "267507")
+        )
+    }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Extensions/NSColor+Hex.swift

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+//
+//  NSColor+Hex.swift
+//  CodeEditSourceEditorExample
+//
+//  Created by Khan Winter on 2/24/24.
+//
+
+import AppKit
+
+extension NSColor {
+
+    /// Initializes a `NSColor` from a HEX String (e.g.: `#1D2E3F`) and an optional alpha value.
+    /// - Parameters:
+    ///   - hex: A String of a HEX representation of a color (format: `#1D2E3F`)
+    ///   - alpha: A Double indicating the alpha value from `0.0` to `1.0`
+    convenience init(hex: String, alpha: Double = 1.0) {
+        let hex = hex.trimmingCharacters(in: .alphanumerics.inverted)
+        var int: UInt64 = 0
+        Scanner(string: hex).scanHexInt64(&int)
+        self.init(hex: Int(int), alpha: alpha)
+    }
+
+    /// Initializes a `NSColor` from an Int  (e.g.: `0x1D2E3F`)and an optional alpha value.
+    /// - Parameters:
+    ///   - hex: An Int of a HEX representation of a color (format: `0x1D2E3F`)
+    ///   - alpha: A Double indicating the alpha value from `0.0` to `1.0`
+    convenience init(hex: Int, alpha: Double = 1.0) {
+        let red = (hex >> 16) & 0xFF
+        let green = (hex >> 8) & 0xFF
+        let blue = hex & 0xFF
+        self.init(srgbRed: Double(red) / 255, green: Double(green) / 255, blue: Double(blue) / 255, alpha: alpha)
+    }
+
+    /// Returns an Int representing the `NSColor` in hex format (e.g.: 0x112233)
+    var hex: Int {
+        guard let components = cgColor.components, components.count >= 3 else { return 0 }
+
+        let red = lround((Double(components[0]) * 255.0)) << 16
+        let green = lround((Double(components[1]) * 255.0)) << 8
+        let blue = lround((Double(components[2]) * 255.0))
+
+        return red | green | blue
+    }
+
+    /// Returns a HEX String representing the `NSColor` (e.g.: #112233)
+    var hexString: String {
+        let color = self.hex
+
+        return "#" + String(format: "%06x", color)
+    }
+}

Example/CodeEditSourceEditorExample/CodeEditSourceEditorExample/Extensions/String+Lines.swift

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+//
+//  String+Lines.swift
+//  CodeEditSourceEditorExample
+//
+//  Created by Khan Winter on 2/24/24.
+//
+
+import Foundation
+
+extension String {
+    /// Calculates the first `n` lines and returns them as a new string.
+    /// - Parameters:
+    ///   - lines: The number of lines to return.
+    ///   - maxLength: The maximum number of characters to copy.
+    /// - Returns: A new string containing the lines.
+    func getFirstLines(_ lines: Int = 1, maxLength: Int = 512) -> String {
+        var string = ""
+        var foundLines = 0
+        var totalLength = 0
+        for char in self.lazy {
+            if char.isNewline {
+                foundLines += 1
+            }
+            totalLength += 1
+            if foundLines >= lines || totalLength >= maxLength {
+                break
+            }
+            string.append(char)
+        }
+        return string
+    }
+
+    /// Calculates the last `n` lines and returns them as a new string.
+    /// - Parameters:
+    ///   - lines: The number of lines to return.
+    ///   - maxLength: The maximum number of characters to copy.
+    /// - Returns: A new string containing the lines.
+    func getLastLines(_ lines: Int = 1, maxLength: Int = 512) -> String {
+        var string = ""
+        var foundLines = 0
+        var totalLength = 0
+        for char in self.lazy.reversed() {
+            if char.isNewline {
+                foundLines += 1
+            }
+            totalLength += 1
+            if foundLines >= lines || totalLength >= maxLength {
+                break
+            }
+            string = String(char) + string
+        }
+        return string
+    }
+}