Merge pull request 'Development' (#7) from development into main

Reviewed-on: #7

.gitea/workflows/build-macos.yml

@@ -112,6 +112,8 @@ jobs:
             -scheme TargetPrint \
             -destination "platform=macOS" \
             -only-testing:TargetPrintTests \
+            -jobs "$(sysctl -n hw.ncpu 2>/dev/null || echo 4)" \
+            -parallelizeTargets \
             CODE_SIGNING_ALLOWED=NO \
             ONLY_ACTIVE_ARCH=YES
 

Bridging-Header.h

@@ -4,3 +4,13 @@
 
 #import <cups/cups.h>
 #import <cups/ppd.h>
+
+// The Swift CUPS overlay marks cupsGetPPD unavailable ("use cupsCopyDestInfo").
+// SPEC §10 still requires the PPD file for AirPrint detection and vendor
+// colour-bypass keys, so we call the C symbol through this wrapper.
+static inline const char *TPCupsGetPPD(const char *name) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+    return cupsGetPPD(name);
+#pragma clang diagnostic pop
+}

README.md

@@ -28,7 +28,7 @@ This directory is the **native AppKit implementation** of [`SPEC.md`](SPEC.md).
 
 | Item | Value |
 |------|--------|
-| macOS | 10.15 Catalina → 26+ Tahoe |
+| macOS | Intel **10.15** Catalina · Apple Silicon **11.0** Big Sur → 26+ Tahoe |
 | Architecture | Universal 2 (Intel + Apple Silicon) |
 | Xcode | Command Line Tools / full Xcode (Swift 5) |
 | Sandbox | Hardened Runtime **on**, App Sandbox **off** |

Scripts/build_macos.sh

@@ -31,7 +31,11 @@ if xcodebuild_works; then
     SCHEME="TargetPrint"
     OUT_DIR="$ROOT/build/apps/$ARCH"
     DD_DIR="$ROOT/build/derived-$ARCH"
-    echo "==> Building TargetPrint ($CONFIGURATION, $ARCH) with $XCODEBUILD"
+    # shellcheck source=lib.sh
+    source "$SCRIPTS/lib.sh"
+    JOBS="$(cpu_jobs)"
+    MIN_OS="$(min_os_for_arch "$ARCH")"
+    echo "==> Building TargetPrint ($CONFIGURATION, $ARCH, min $MIN_OS) with $XCODEBUILD (-jobs $JOBS)"
     rm -rf "$OUT_DIR"
     mkdir -p "$OUT_DIR" "$DD_DIR"
     "$XCODEBUILD" \
@@ -39,19 +43,21 @@ if xcodebuild_works; then
         -scheme "$SCHEME" \
         -configuration "$CONFIGURATION" \
         -arch "$ARCH" \
+        -jobs "$JOBS" \
+        -parallelizeTargets \
         -derivedDataPath "$DD_DIR" \
         CONFIGURATION_BUILD_DIR="$OUT_DIR" \
         ONLY_ACTIVE_ARCH=NO \
+        MACOSX_DEPLOYMENT_TARGET="$MIN_OS" \
         CODE_SIGN_IDENTITY="${MACOS_CODESIGN_IDENTITY:--}" \
         CODE_SIGNING_ALLOWED=YES \
         ENABLE_HARDENED_RUNTIME=YES \
+        SWIFT_USE_PARALLEL_WHOLE_MODULE_OPTIMIZATION=YES \
         build
     APP="$OUT_DIR/TargetPrint.app"
     test -d "$APP"
     BIN="$APP/Contents/MacOS/TargetPrint"
     test -x "$BIN"
-    # shellcheck source=lib.sh
-    source "$SCRIPTS/lib.sh"
     sign_app "$APP" "$ROOT/TargetPrint.entitlements"
     echo "==> lipo -info"
     lipo -info "$BIN"

Scripts/build_universal.sh

@@ -1,13 +1,26 @@
 #!/bin/bash
 # SPEC §12 — build x86_64, arm64, and Universal 2 TargetPrint.app
+# x86_64 and arm64 compile concurrently; then lipo.
 set -euo pipefail
 
 CONFIGURATION="${1:-Release}"
 ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 SCRIPTS="$(dirname "$0")"
 
-"$SCRIPTS/build_macos.sh" x86_64 "$CONFIGURATION"
+echo "==> Compiling x86_64 and arm64 in parallel"
-"$SCRIPTS/build_macos.sh" arm64 "$CONFIGURATION"
+"$SCRIPTS/build_macos.sh" x86_64 "$CONFIGURATION" &
+pid_x86=$!
+"$SCRIPTS/build_macos.sh" arm64 "$CONFIGURATION" &
+pid_arm=$!
+
+status=0
+wait "$pid_x86" || status=1
+wait "$pid_arm" || status=1
+if [ "$status" -ne 0 ]; then
+    echo "error: one or both architecture builds failed" >&2
+    exit 1
+fi
+
 "$SCRIPTS/make_universal.sh"
 
 echo "==> All architectures:"

Scripts/lib.sh

@@ -31,6 +31,23 @@ sign_app() {
     codesign --verify --verbose=2 "$app" || true
 }
 
+cpu_jobs() {
+    if [ -n "${JOBS:-}" ]; then
+        echo "$JOBS"
+        return
+    fi
+    sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo 4
+}
+
+# Intel: Catalina 10.15. Apple Silicon did not exist until Big Sur 11.0.
+min_os_for_arch() {
+    case "$1" in
+        x86_64) echo "${MACOSX_DEPLOYMENT_TARGET_X86_64:-10.15}" ;;
+        arm64)  echo "${MACOSX_DEPLOYMENT_TARGET_ARM64:-11.0}" ;;
+        *) echo "10.15" ;;
+    esac
+}
+
 zip_app() {
     local app="$1"
     local dest="$2"

Scripts/swiftc_build.sh

@@ -20,13 +20,17 @@ BIN="$MACOS_DIR/TargetPrint"
 
 SDKROOT="${SDKROOT:-$(xcrun --sdk macosx --show-sdk-path)}"
 SWIFT="${SWIFT:-$(xcrun --find swiftc)}"
-TARGET="${ARCH}-apple-macos10.15"
-MIN_OS="10.15"
 
-echo "==> swiftc build ($CONFIGURATION, $ARCH)"
+# shellcheck source=lib.sh
+source "$(dirname "$0")/lib.sh"
+JOBS="$(cpu_jobs)"
+MIN_OS="$(min_os_for_arch "$ARCH")"
+TARGET="${ARCH}-apple-macos${MIN_OS}"
+
+echo "==> swiftc build ($CONFIGURATION, $ARCH, $JOBS threads)"
 echo "    SDKROOT=$SDKROOT"
 echo "    SWIFT=$SWIFT"
-echo "    TARGET=$TARGET"
+echo "    TARGET=$TARGET  (min $MIN_OS)"
 
 rm -rf "$APP"
 mkdir -p "$MACOS_DIR" "$RES_DIR"
@@ -40,7 +44,7 @@ if [ "${#SOURCES[@]}" -eq 0 ]; then
     exit 1
 fi
 
-OPT_FLAGS=(-O)
+OPT_FLAGS=(-O -whole-module-optimization)
 if [ "$CONFIGURATION" != "Release" ]; then
     OPT_FLAGS=(-Onone -g)
 fi
@@ -50,7 +54,8 @@ fi
     -target "$TARGET" \
     -swift-version 5 \
     "${OPT_FLAGS[@]}" \
-    -whole-module-optimization \
+    -num-threads "$JOBS" \
+    -j "$JOBS" \
     -module-name TargetPrint \
     -import-objc-header "$ROOT/Bridging-Header.h" \
     -Xcc "-I${SDKROOT}/usr/include" \
@@ -83,9 +88,10 @@ if [ -f "$ICON_SRC" ] && command -v sips >/dev/null 2>&1; then
     for pair in 16:icon_16x16 32:icon_32x32 128:icon_128x128 256:icon_256x256 512:icon_512x512; do
         size="${pair%%:*}"
         name="${pair##*:}"
-        sips -z "$size" "$size" "$ICON_SRC" --out "$ICONSET/AppIcon.iconset/${name}.png" >/dev/null
+        sips -z "$size" "$size" "$ICON_SRC" --out "$ICONSET/AppIcon.iconset/${name}.png" >/dev/null &
-        sips -z $((size * 2)) $((size * 2)) "$ICON_SRC" --out "$ICONSET/AppIcon.iconset/${name}@2x.png" >/dev/null
+        sips -z $((size * 2)) $((size * 2)) "$ICON_SRC" --out "$ICONSET/AppIcon.iconset/${name}@2x.png" >/dev/null &
     done
+    wait
     if command -v iconutil >/dev/null 2>&1 && iconutil -c icns "$ICONSET/AppIcon.iconset" -o "$RES_DIR/AppIcon.icns" 2>/dev/null; then
         echo "    AppIcon.icns"
     else
@@ -94,8 +100,6 @@ if [ -f "$ICON_SRC" ] && command -v sips >/dev/null 2>&1; then
     rm -rf "$ICONSET"
 fi
 
-# shellcheck source=lib.sh
-source "$(dirname "$0")/lib.sh"
 sign_app "$APP" "$ROOT/TargetPrint.entitlements"
 
 echo "==> lipo -info"

Scripts/test_runner.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+# Standalone test runner for Command Line Tools (no Xcode.app required)
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+SDKROOT="${SDKROOT:-$(xcrun --sdk macosx --show-sdk-path)}"
+SWIFT="${SWIFT:-$(xcrun --find swiftc)}"
+ARCH="$(uname -m)"
+
+SOURCES=()
+while IFS= read -r src; do
+    if [[ "$(basename "$src")" != "main.swift" ]]; then
+        SOURCES+=("$src")
+    fi
+done < <(find "$ROOT/Sources" -name '*.swift' | LC_ALL=C sort)
+
+SOURCES+=("$ROOT/Tests/TestRunnerMain.swift")
+
+BIN="$(mktemp -t tp-test-XXXXXX)"
+trap 'rm -f "$BIN"' EXIT
+
+"$SWIFT" \
+    -sdk "$SDKROOT" \
+    -target "${ARCH}-apple-macos10.15" \
+    -swift-version 5 \
+    -Onone -g \
+    -import-objc-header "$ROOT/Bridging-Header.h" \
+    -Xcc "-I${SDKROOT}/usr/include" \
+    -framework AppKit \
+    -framework Foundation \
+    -framework CoreGraphics \
+    -framework ImageIO \
+    -framework ApplicationServices \
+    -lcups \
+    -o "$BIN" \
+    "${SOURCES[@]}"
+
+"$BIN"

Sources/AppError.swift

@@ -19,7 +19,7 @@ enum AppError: Error, CustomStringConvertible {
         switch self {
         case .invalidJob: return .invalidJob
         case .unreadableTarget: return .unreadableTarget
-        case .printer: return .printer
+        case .printer: return .printerError
         case .internalFatal: return .internalFatal
         }
     }

Sources/Controllers/PreviewWindowController.swift

@@ -1,4 +1,5 @@
 import AppKit
+import UniformTypeIdentifiers
 
 /// SPEC §9 — three-pane window: thumbnails | canvas | inspector.
 
@@ -102,6 +103,7 @@ final class PreviewWindowController: NSWindowController {
         engine.mediaSize = parsed.printSettings.mediaSize
         engine.mediaType = parsed.printSettings.mediaType
         engine.paperSource = parsed.printSettings.paperSource
+        engine.printQuality = parsed.printSettings.printQuality
         engine.resolution = parsed.printSettings.resolution
         engine.scaling = parsed.printSettings.scaling
         engine.centered = parsed.printSettings.centered
@@ -211,7 +213,15 @@ final class PreviewWindowController: NSWindowController {
         let panel = NSOpenPanel()
         panel.allowsMultipleSelection = true
         panel.canChooseDirectories = false
+        if #available(macOS 12.0, *) {
+            var types: [UTType] = [.tiff, .json]
+            if let jobType = UTType(filenameExtension: "targetjob") {
+                types.append(jobType)
+            }
+            panel.allowedContentTypes = types
+        } else {
             panel.allowedFileTypes = ["tif", "tiff", "targetjob", "json"]
+        }
         panel.begin { result in
             if result == .OK { completion(panel.urls) }
         }

Sources/Models/TargetJob.swift

@@ -8,9 +8,32 @@ struct PrintSettings: Equatable {
     var mediaType: String?
     var paperSource: String?
     var resolution: String?
+    var printQuality: String?
     var scaling: Double
     var centered: Bool
     var forceUnmanagedColor: Bool
+
+    init(
+        printerName: String,
+        mediaSize: String,
+        mediaType: String? = nil,
+        paperSource: String? = nil,
+        resolution: String? = nil,
+        printQuality: String? = nil,
+        scaling: Double,
+        centered: Bool,
+        forceUnmanagedColor: Bool
+    ) {
+        self.printerName = printerName
+        self.mediaSize = mediaSize
+        self.mediaType = mediaType
+        self.paperSource = paperSource
+        self.resolution = resolution
+        self.printQuality = printQuality
+        self.scaling = scaling
+        self.centered = centered
+        self.forceUnmanagedColor = forceUnmanagedColor
+    }
 }
 
 struct UIPolicy: Equatable {
@@ -117,6 +140,7 @@ enum TargetJobParser {
             mediaType: stringValue(obj["mediaType"]),
             paperSource: stringValue(obj["paperSource"]),
             resolution: stringValue(obj["resolution"]),
+            printQuality: stringValue(obj["printQuality"]),
             scaling: scaling,
             centered: centered,
             forceUnmanagedColor: force
@@ -144,6 +168,7 @@ enum TargetJobParser {
         if let v = job.printSettings.mediaType { ps["mediaType"] = v }
         if let v = job.printSettings.paperSource { ps["paperSource"] = v }
         if let v = job.printSettings.resolution { ps["resolution"] = v }
+        if let v = job.printSettings.printQuality { ps["printQuality"] = v }
         let obj: [String: Any] = [
             "version": 1,
             "jobTitle": job.jobTitle,

Sources/Printing/CUPSManager.swift

@@ -4,6 +4,11 @@ import Darwin
 
 /// SPEC §10 — libcups queue inspection, AirPrint detection, vendor PPD injection.
 
+struct PPDChoice: Equatable, Hashable {
+    var name: String    // Computer-readable identifier (e.g. "13", "2", "Plain")
+    var title: String   // Human-readable display label (e.g. "Epson Premium Glossy", "Cassette 1")
+}
+
 struct PrinterQueue: Equatable {
     var name: String
     var instance: String?
@@ -14,9 +19,58 @@ struct PrinterQueue: Equatable {
     var isAirPrint: Bool
     var mediaSizes: [String]
     var mediaTypes: [String]
+    var mediaTypeChoices: [PPDChoice]
+    var mediaTypeKeyword: String?
     var trays: [String]
+    var trayChoices: [PPDChoice]
+    var trayKeyword: String?
+    var qualityChoices: [PPDChoice]
+    var qualityKeyword: String?
     var resolutions: [String]
+    var resolutionChoices: [PPDChoice]
     var ppdText: String
+
+    init(
+        name: String,
+        instance: String? = nil,
+        displayName: String,
+        uri: String,
+        make: String,
+        model: String,
+        isAirPrint: Bool,
+        mediaSizes: [String],
+        mediaTypes: [String],
+        mediaTypeChoices: [PPDChoice] = [],
+        mediaTypeKeyword: String? = nil,
+        trays: [String],
+        trayChoices: [PPDChoice] = [],
+        trayKeyword: String? = nil,
+        qualityChoices: [PPDChoice] = [],
+        qualityKeyword: String? = nil,
+        resolutions: [String],
+        resolutionChoices: [PPDChoice] = [],
+        ppdText: String
+    ) {
+        self.name = name
+        self.instance = instance
+        self.displayName = displayName
+        self.uri = uri
+        self.make = make
+        self.model = model
+        self.isAirPrint = isAirPrint
+        self.mediaSizes = mediaSizes
+        self.mediaTypes = mediaTypes
+        self.mediaTypeChoices = mediaTypeChoices
+        self.mediaTypeKeyword = mediaTypeKeyword
+        self.trays = trays
+        self.trayChoices = trayChoices
+        self.trayKeyword = trayKeyword
+        self.qualityChoices = qualityChoices
+        self.qualityKeyword = qualityKeyword
+        self.resolutions = resolutions
+        self.resolutionChoices = resolutionChoices
+        self.ppdText = ppdText
+    }
 }
 
 enum CUPSManager {
@@ -62,8 +116,15 @@ enum CUPSManager {
                 isAirPrint: air,
                 mediaSizes: options.pageSizes,
                 mediaTypes: options.mediaTypes,
+                mediaTypeChoices: options.mediaTypeChoices,
+                mediaTypeKeyword: options.mediaTypeKeyword,
                 trays: options.trays,
+                trayChoices: options.trayChoices,
+                trayKeyword: options.trayKeyword,
+                qualityChoices: options.qualityChoices,
+                qualityKeyword: options.qualityKeyword,
                 resolutions: options.resolutions,
+                resolutionChoices: options.resolutionChoices,
                 ppdText: ppdText
             ))
         }
@@ -77,9 +138,11 @@ enum CUPSManager {
     // MARK: - PPD
 
     static func ppdPath(forQueue name: String) -> String? {
-        guard let cPath = cupsGetPPD(name) else { return nil }
+        name.withCString { cName in
+            guard let cPath = TPCupsGetPPD(cName) else { return nil }
             return String(cString: cPath)
         }
+    }
 
     static func ppdContents(forQueue name: String) -> String? {
         guard let path = ppdPath(forQueue: name) else { return nil }
@@ -90,17 +153,50 @@ enum CUPSManager {
     struct PPDOptions {
         var pageSizes: [String] = []
         var mediaTypes: [String] = []
+        var mediaTypeChoices: [PPDChoice] = []
+        var mediaTypeKeyword: String? = nil
         var trays: [String] = []
+        var trayChoices: [PPDChoice] = []
+        var trayKeyword: String? = nil
+        var qualityChoices: [PPDChoice] = []
+        var qualityKeyword: String? = nil
         var resolutions: [String] = []
+        var resolutionChoices: [PPDChoice] = []
         var colorChoices: [(keyword: String, choice: String)] = []
     }
 
     static func discoverPPDOptions(_ ppdText: String) -> PPDOptions {
         var out = PPDOptions()
         out.pageSizes = optionChoices(in: ppdText, keyword: "PageSize")
-        out.mediaTypes = optionChoices(in: ppdText, keyword: "MediaType")
+
-        out.trays = optionChoices(in: ppdText, keyword: "InputSlot")
+        let media = discoverOptionChoices(
-        out.resolutions = optionChoices(in: ppdText, keyword: "Resolution")
+            in: ppdText,
+            candidateKeywords: ["MediaType", "CNIJMediaType"],
+            openUITargets: ["media type", "mediatype"]
+        )
+        out.mediaTypeKeyword = media.keyword
+        out.mediaTypeChoices = media.choices
+        out.mediaTypes = media.choices.map { $0.title }
+
+        let trays = discoverOptionChoices(
+            in: ppdText,
+            candidateKeywords: ["InputSlot", "EPIJ_FdSo", "CNIJMediaSupply"],
+            openUITargets: ["paper source", "media source", "input slot", "paper feed", "feed source"]
+        )
+        out.trayKeyword = trays.keyword
+        out.trayChoices = trays.choices
+        out.trays = trays.choices.map { $0.title }
+
+        let quality = discoverOptionChoices(
+            in: ppdText,
+            candidateKeywords: ["CNIJPrintQuality", "EPIJ_Qual", "cupsPrintQuality", "PrintQuality", "CNIJPrintMode2", "Quality", "StpQuality"],
+            openUITargets: ["print quality", "quality"]
+        )
+        out.qualityKeyword = quality.keyword
+        out.qualityChoices = quality.choices
+
+        out.resolutionChoices = optionDetails(in: ppdText, keyword: "Resolution")
+        out.resolutions = out.resolutionChoices.map { $0.name }
         // Walk every *OpenUI for Colour/Color keys (SPEC §10.3 generic).
         let lines = ppdText.split(whereSeparator: \.isNewline)
         var currentKeyword: String?
@@ -174,22 +270,127 @@ enum CUPSManager {
         return ("", makeModel)
     }
 
-    static func optionChoices(in ppdText: String, keyword: String) -> [String] {
+    /// Decodes Adobe PPD hex escape sequences (e.g. `<2F>` -> `/`, `<2E>` -> `.`, `<3A>` -> `:`).
-        var choices: [String] = []
+    static func decodePPDString(_ s: String) -> String {
+        var result = ""
+        var idx = s.startIndex
+        while idx < s.endIndex {
+            if s[idx] == "<" {
+                if let closeIdx = s[idx...].firstIndex(of: ">") {
+                    let hexContent = s[s.index(after: idx)..<closeIdx]
+                    let cleanHex = hexContent.filter { $0.isHexDigit }
+                    if !cleanHex.isEmpty && cleanHex.count % 2 == 0 {
+                        var bytes: [UInt8] = []
+                        var hexIdx = cleanHex.startIndex
+                        var valid = true
+                        while hexIdx < cleanHex.endIndex {
+                            let nextHexIdx = cleanHex.index(hexIdx, offsetBy: 2)
+                            let byteStr = cleanHex[hexIdx..<nextHexIdx]
+                            if let b = UInt8(byteStr, radix: 16) {
+                                bytes.append(b)
+                            } else {
+                                valid = false
+                                break
+                            }
+                            hexIdx = nextHexIdx
+                        }
+                        if valid, let decoded = String(bytes: bytes, encoding: .utf8) ?? String(bytes: bytes, encoding: .isoLatin1) {
+                            result.append(decoded)
+                            idx = s.index(after: closeIdx)
+                            continue
+                        }
+                    }
+                }
+            }
+            result.append(s[idx])
+            idx = s.index(after: idx)
+        }
+        return result
+    }
+
+    /// Parses option lines for a keyword, extracting both internal choice code (`name`) and human-readable label (`title`).
+    static func optionDetails(in ppdText: String, keyword: String) -> [PPDChoice] {
+        var choices: [PPDChoice] = []
         let prefix = "*\(keyword) "
         for raw in ppdText.split(whereSeparator: \.isNewline) {
-            let line = String(raw)
+            let line = String(raw).trimmingCharacters(in: .whitespaces)
             guard line.hasPrefix(prefix) else { continue }
-            let rest = String(line.dropFirst(prefix.count))
+            let rest = String(line.dropFirst(prefix.count)).trimmingCharacters(in: .whitespaces)
-            let token = rest.split(whereSeparator: { $0 == "/" || $0 == ":" || $0 == " " }).first
+            guard let colonIdx = rest.firstIndex(of: ":") else { continue }
-            if let token = token {
+            let choicePart = rest[..<colonIdx].trimmingCharacters(in: .whitespaces)
-                let name = String(token)
+            let name: String
-                if !choices.contains(name) { choices.append(name) }
+            let title: String
+            if let slashIdx = choicePart.firstIndex(of: "/") {
+                name = String(choicePart[..<slashIdx]).trimmingCharacters(in: .whitespaces)
+                var rawTitle = String(choicePart[choicePart.index(after: slashIdx)...]).trimmingCharacters(in: .whitespaces)
+                if rawTitle.hasPrefix("\"") && rawTitle.hasSuffix("\"") && rawTitle.count >= 2 {
+                    rawTitle = String(rawTitle.dropFirst().dropLast()).trimmingCharacters(in: .whitespaces)
+                }
+                let decoded = decodePPDString(rawTitle).trimmingCharacters(in: .whitespaces)
+                title = decoded.isEmpty ? name : decoded
+            } else {
+                name = choicePart
+                title = choicePart
+            }
+            guard !name.isEmpty else { continue }
+            if !choices.contains(where: { $0.name == name }) {
+                choices.append(PPDChoice(name: name, title: title))
             }
         }
         return choices
     }
 
+    static func optionChoices(in ppdText: String, keyword: String) -> [String] {
+        optionDetails(in: ppdText, keyword: keyword).map { $0.name }
+    }
+
+    static func discoverOptionChoices(
+        in ppdText: String,
+        candidateKeywords: [String],
+        openUITargets: [String] = []
+    ) -> (keyword: String?, choices: [PPDChoice]) {
+        for kw in candidateKeywords {
+            let choices = optionDetails(in: ppdText, keyword: kw)
+            if !choices.isEmpty {
+                return (kw, choices)
+            }
+        }
+        // If not found in candidate keywords, scan *OpenUI for matching translations
+        let lines = ppdText.split(whereSeparator: \.isNewline)
+        for raw in lines {
+            let s = String(raw).trimmingCharacters(in: .whitespaces)
+            guard s.hasPrefix("*OpenUI") else { continue }
+            guard let (kw, trans) = openUIKeywordAndTranslation(s) else { continue }
+            let lowerTrans = trans.lowercased()
+            let lowerKw = kw.lowercased()
+            if openUITargets.contains(where: { lowerTrans.contains($0) || lowerKw.contains($0) }) {
+                let choices = optionDetails(in: ppdText, keyword: kw)
+                if !choices.isEmpty {
+                    return (kw, choices)
+                }
+            }
+        }
+        return (nil, [])
+    }
+
+    private static func openUIKeywordAndTranslation(_ line: String) -> (keyword: String, translation: String)? {
+        // e.g. *OpenUI *PageSize/Media Size: PickOne
+        guard let star = line.firstIndex(of: "*") else { return nil }
+        let afterFirstStar = line[star...].dropFirst()
+        guard let secondStar = afterFirstStar.firstIndex(of: "*") else { return nil }
+        let rest = afterFirstStar[secondStar...].dropFirst()
+        guard let colonIdx = rest.firstIndex(of: ":") else { return nil }
+        let target = rest[..<colonIdx].trimmingCharacters(in: .whitespaces)
+        if let slashIdx = target.firstIndex(of: "/") {
+            let kw = String(target[..<slashIdx]).trimmingCharacters(in: .whitespaces)
+            let trans = decodePPDString(String(target[target.index(after: slashIdx)...]).trimmingCharacters(in: .whitespaces))
+            return (kw, trans)
+        } else {
+            let kw = String(target)
+            return (kw, kw)
+        }
+    }
+
     private static func openUIKeyword(_ line: String) -> String? {
         // *OpenUI *PageSize/Media Size: PickOne
         guard let star = line.firstIndex(of: "*") else { return nil }

Sources/Printing/ColorMatching.swift

@@ -80,14 +80,19 @@ enum ColorMatching {
     }
 
     static func stripColorMatchingAccessories(from panel: NSPrintPanel) {
-        let accessories = panel.accessoryControllers()
+        let accessories = panel.accessoryControllers
         for ac in accessories {
-            let title = (ac.title ?? "") + " " + (ac.nibName ?? "")
+            let cls = NSStringFromClass(type(of: ac))
+            let title = (ac.title ?? "") + " " + (ac.nibName ?? "") + " " + cls
             let hay = title.lowercased()
             if hay.contains("color matching") || hay.contains("colour matching") || hay.contains("colormatch") {
-                panel.removeAccessoryController(ac)
+                // SDK types this as NSViewController; removeAccessoryController
+                // requires NSPrintPanelAccessorizing (SPEC §7.2).
+                if let accessor = ac as? (NSViewController & NSPrintPanelAccessorizing) {
+                    panel.removeAccessoryController(accessor)
                     TPLog.info("Removed print-panel accessory: \(title)")
                 }
             }
         }
+    }
 }

Sources/Printing/PrintEngine.swift

@@ -10,6 +10,7 @@ final class PrintEngine {
     var mediaSize: String
     var mediaType: String?
     var paperSource: String?
+    var printQuality: String?
     var resolution: String?
     var scaling: Double
     var centered: Bool
@@ -24,6 +25,7 @@ final class PrintEngine {
         mediaSize = job.printSettings.mediaSize
         mediaType = job.printSettings.mediaType
         paperSource = job.printSettings.paperSource
+        printQuality = job.printSettings.printQuality
         resolution = job.printSettings.resolution
         scaling = job.printSettings.scaling
         centered = job.printSettings.centered
@@ -39,6 +41,7 @@ final class PrintEngine {
         mediaSize = "A4"
         mediaType = nil
         paperSource = nil
+        printQuality = nil
         resolution = nil
         scaling = 1.0
         centered = true
@@ -48,6 +51,7 @@ final class PrintEngine {
         allowBasicDriverChanges = true
     }
 
+    /// Configures `NSPrintInfo` for `NSPrintOperation` (SPEC §4.4, §10.3).
     func makePrintInfo() throws -> NSPrintInfo {
         let info = NSPrintInfo.shared.copy() as! NSPrintInfo
         info.jobDisposition = .spool
@@ -72,8 +76,10 @@ final class PrintEngine {
 
         ColorMatching.apply(colorMode, to: info)
 
+        var resolvedQueue: PrinterQueue? = nil
         do {
-            if let queue = try CUPSManager.namedQueue(printerName) ?? try CUPSManager.listQueues().first(where: { $0.name == printerName }) {
+            if let queue = try CUPSManager.namedQueue(printerName) {
+                resolvedQueue = queue
                 let bypass = CUPSManager.vendorColorBypass(make: queue.make, model: queue.model, ppdText: queue.ppdText)
                 CUPSManager.applyVendorBypass(bypass, to: info)
             }
@@ -82,14 +88,66 @@ final class PrintEngine {
             throw AppError.printer(String(describing: error))
         }
 
-        applyOptionalPPDKeys(to: info)
+        applyOptionalPPDKeys(to: info, queue: resolvedQueue)
         return info
     }
 
-    private func applyOptionalPPDKeys(to info: NSPrintInfo) {
+    func applyOptionalPPDKeys(to info: NSPrintInfo, queue: PrinterQueue?) {
         var extras: [String: String] = [:]
-        if let mediaType = mediaType { extras["MediaType"] = mediaType }
+        if let mediaType = mediaType {
-        if let paperSource = paperSource { extras["InputSlot"] = paperSource }
+            let key = queue?.mediaTypeKeyword ?? "MediaType"
+            if let match = queue?.mediaTypeChoices.first(where: { $0.name == mediaType || $0.title.caseInsensitiveCompare(mediaType) == .orderedSame }) {
+                extras[key] = match.name
+            } else {
+                extras[key] = mediaType
+            }
+        }
+        if let paperSource = paperSource {
+            let key = queue?.trayKeyword ?? "InputSlot"
+            if let match = queue?.trayChoices.first(where: { $0.name == paperSource || $0.title.caseInsensitiveCompare(paperSource) == .orderedSame }) {
+                extras[key] = match.name
+            } else if paperSource.lowercased() != "auto" || key == "InputSlot" {
+                extras[key] = paperSource
+            }
+        }
+        if let printQuality = printQuality {
+            let key = queue?.qualityKeyword ?? "PrintQuality"
+            let resolvedCode: String
+            if let match = queue?.qualityChoices.first(where: { $0.name == printQuality || $0.title.caseInsensitiveCompare(printQuality) == .orderedSame }) {
+                resolvedCode = match.name
+            } else {
+                resolvedCode = printQuality
+            }
+
+            if key == "CNIJPrintQuality" {
+                switch resolvedCode {
+                case "0": // Super Fine (notch 5 — Custom mode)
+                    extras["CNIJPrintQuality"] = "0"
+                    extras["CNIJPrintMode2"] = "5"
+                    extras["CNIJPQualitySlider"] = "5"
+                case "5": // Fine (notch 4 — High preset)
+                    extras["CNIJPrintQuality"] = "5"
+                    extras["CNIJPrintMode2"] = "1"
+                    extras["CNIJPQualitySlider"] = "4"
+                case "10": // Normal(Fine) (notch 3 — Standard preset)
+                    extras["CNIJPrintQuality"] = "10"
+                    extras["CNIJPrintMode2"] = "2"
+                    extras["CNIJPQualitySlider"] = "3"
+                case "15": // Normal(Fast) (notch 2)
+                    extras["CNIJPrintQuality"] = "15"
+                    extras["CNIJPrintMode2"] = "5"
+                    extras["CNIJPQualitySlider"] = "2"
+                case "20": // Fast (notch 1 — Fast preset)
+                    extras["CNIJPrintQuality"] = "20"
+                    extras["CNIJPrintMode2"] = "3"
+                    extras["CNIJPQualitySlider"] = "1"
+                default:
+                    extras["CNIJPrintQuality"] = resolvedCode
+                }
+            } else if resolvedCode.lowercased() != "auto" || key == "cupsPrintQuality" {
+                extras[key] = resolvedCode
+            }
+        }
         if let resolution = resolution { extras["Resolution"] = resolution }
         if extras.isEmpty { return }
         CUPSManager.applyVendorBypass(extras, to: info)

Sources/Views/InspectorView.swift

@@ -22,6 +22,7 @@ final class InspectorView: NSView {
     let mediaPop = NSPopUpButton()
     let typePop = NSPopUpButton()
     let trayPop = NSPopUpButton()
+    let qualityPop = NSPopUpButton()
     let resolutionPop = NSPopUpButton()
     let scaleSlider = NSSlider()
     let scaleLabel = NSTextField(labelWithString: "100%")
@@ -46,6 +47,7 @@ final class InspectorView: NSView {
         mediaPop.target = self; mediaPop.action = #selector(changed)
         typePop.target = self; typePop.action = #selector(changed)
         trayPop.target = self; trayPop.action = #selector(changed)
+        qualityPop.target = self; qualityPop.action = #selector(changed)
         resolutionPop.target = self; resolutionPop.action = #selector(changed)
         scaleSlider.minValue = 0.5
         scaleSlider.maxValue = 1.5
@@ -79,6 +81,7 @@ final class InspectorView: NSView {
             section("Media size", mediaPop),
             section("Media type", typePop),
             section("Tray", trayPop),
+            section("Print quality", qualityPop),
             section("Resolution", resolutionPop),
             section("Scale", scaleRow()),
             centeredCheck,
@@ -101,6 +104,7 @@ final class InspectorView: NSView {
             mediaPop.widthAnchor.constraint(equalTo: stack.widthAnchor),
             typePop.widthAnchor.constraint(equalTo: stack.widthAnchor),
             trayPop.widthAnchor.constraint(equalTo: stack.widthAnchor),
+            qualityPop.widthAnchor.constraint(equalTo: stack.widthAnchor),
             resolutionPop.widthAnchor.constraint(equalTo: stack.widthAnchor),
             colorSeg.widthAnchor.constraint(equalTo: stack.widthAnchor),
         ])
@@ -124,8 +128,9 @@ final class InspectorView: NSView {
         }
         refreshDependent()
         select(mediaPop, engine.mediaSize)
-        if let t = engine.mediaType { select(typePop, t) }
+        if let t = engine.mediaType { selectChoice(typePop, t) }
-        if let t = engine.paperSource { select(trayPop, t) }
+        if let t = engine.paperSource { selectChoice(trayPop, t) }
+        if let q = engine.printQuality { selectChoice(qualityPop, q) }
         if let r = engine.resolution { select(resolutionPop, r) }
         scaleSlider.doubleValue = engine.scaling
         scaleLabel.stringValue = String(format: "%.0f%%", engine.scaling * 100)
@@ -143,8 +148,9 @@ final class InspectorView: NSView {
     func push(into engine: PrintEngine) {
         if let q = selectedQueue { engine.printerName = q.name }
         engine.mediaSize = mediaPop.titleOfSelectedItem ?? engine.mediaSize
-        engine.mediaType = emptyToNil(typePop.titleOfSelectedItem)
+        engine.mediaType = (typePop.selectedItem?.representedObject as? String) ?? emptyToNil(typePop.titleOfSelectedItem)
-        engine.paperSource = emptyToNil(trayPop.titleOfSelectedItem)
+        engine.paperSource = (trayPop.selectedItem?.representedObject as? String) ?? emptyToNil(trayPop.titleOfSelectedItem)
+        engine.printQuality = (qualityPop.selectedItem?.representedObject as? String) ?? emptyToNil(qualityPop.titleOfSelectedItem)
         engine.resolution = emptyToNil(resolutionPop.titleOfSelectedItem)
         engine.scaling = scaleSlider.doubleValue
         engine.centered = centeredCheck.state == .on
@@ -161,6 +167,7 @@ final class InspectorView: NSView {
         mediaPop.isEnabled = mediaEnabled
         typePop.isEnabled = mediaEnabled
         trayPop.isEnabled = mediaEnabled
+        qualityPop.isEnabled = mediaEnabled && (selectedQueue?.qualityChoices.isEmpty == false)
         resolutionPop.isEnabled = !jobLocked
         landscapeCheck.isEnabled = mediaEnabled
         scaleSlider.isEnabled = !jobLocked
@@ -184,8 +191,13 @@ final class InspectorView: NSView {
     private func refreshDependent() {
         let q = selectedQueue
         refill(mediaPop, q?.mediaSizes.isEmpty == false ? q!.mediaSizes : Geometry.papers.map { $0.name })
-        refill(typePop, q?.mediaTypes ?? ["Plain"])
+        let mediaChoices = (q?.mediaTypeChoices.isEmpty == false) ? q!.mediaTypeChoices : [PPDChoice(name: "Plain", title: "Plain")]
-        refill(trayPop, q?.trays ?? ["Auto"])
+        refillChoices(typePop, mediaChoices)
+        let trayChoices = (q?.trayChoices.isEmpty == false) ? q!.trayChoices : [PPDChoice(name: "Auto", title: "Auto")]
+        refillChoices(trayPop, trayChoices)
+        let qualityChoices = (q?.qualityChoices.isEmpty == false) ? q!.qualityChoices : [PPDChoice(name: "Auto", title: "Auto")]
+        refillChoices(qualityPop, qualityChoices)
+        qualityPop.isEnabled = allowBasicDriverChanges && !jobLocked && (q?.qualityChoices.isEmpty == false)
         refill(resolutionPop, q?.resolutions ?? [])
         updateAirPrint()
     }
@@ -206,6 +218,33 @@ final class InspectorView: NSView {
         if let current = current { pop.selectItem(withTitle: current) }
     }
 
+    private func refillChoices(_ pop: NSPopUpButton, _ choices: [PPDChoice]) {
+        let currentChoice = (pop.selectedItem?.representedObject as? String) ?? pop.titleOfSelectedItem
+        pop.removeAllItems()
+        for choice in choices {
+            pop.addItem(withTitle: choice.title)
+            pop.lastItem?.representedObject = choice.name
+        }
+        if let current = currentChoice,
+           choices.contains(where: { $0.name == current || $0.title == current }) {
+            selectChoice(pop, current)
+        }
+    }
+
+    private func selectChoice(_ pop: NSPopUpButton, _ value: String) {
+        if let item = pop.itemArray.first(where: { ($0.representedObject as? String) == value }) {
+            pop.select(item)
+            return
+        }
+        if let item = pop.itemArray.first(where: { $0.title == value }) {
+            pop.select(item)
+            return
+        }
+        pop.addItem(withTitle: value)
+        pop.lastItem?.representedObject = value
+        pop.selectItem(withTitle: value)
+    }
+
     private func select(_ pop: NSPopUpButton, _ title: String) {
         pop.selectItem(withTitle: title)
         if pop.indexOfSelectedItem < 0 {

TargetPrint.xcodeproj/project.pbxproj

@@ -26,6 +26,7 @@
 		6CC9ACBD3E08666338305F82 /* TargetJobTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 240466A1B8F60F23F51D0A75 /* TargetJobTests.swift */; };
 		37A78C4C83D7DB7ED2278F1E /* GeometryTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 79A6DBFC8F9430081786B20C /* GeometryTests.swift */; };
 		C723596BBFFD3559C97683FA /* AirPrintTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A4F405305D559131407E062C /* AirPrintTests.swift */; };
+		F812A34B2CA7679A4143984A /* PPDOptionsTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = E812A34F2CA7679A4143984B /* PPDOptionsTests.swift */; };
 		627BBC9C62B0C159B656E415 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 9CCD11486CB5CFFBAC839C56 /* Assets.xcassets */; };
 		177F2AAF9AFD18C5EAF84162 /* ICCery-logo.svg in Resources */ = {isa = PBXBuildFile; fileRef = FEF2A34F2CA7679A4143984A /* ICCery-logo.svg */; };
 		FC7AF16B3A0F19874BD56B43 /* app-icon.svg in Resources */ = {isa = PBXBuildFile; fileRef = 0E068D0260049363CDFEBCFD /* app-icon.svg */; };
@@ -59,6 +60,7 @@
 		240466A1B8F60F23F51D0A75 /* TargetJobTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TargetJobTests.swift; sourceTree = "<group>"; };
 		79A6DBFC8F9430081786B20C /* GeometryTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeometryTests.swift; sourceTree = "<group>"; };
 		A4F405305D559131407E062C /* AirPrintTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AirPrintTests.swift; sourceTree = "<group>"; };
+		E812A34F2CA7679A4143984B /* PPDOptionsTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PPDOptionsTests.swift; sourceTree = "<group>"; };
 		1507F021100E808DBE2FAA00 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		67629214EEC199752DF68F2F /* TargetPrint.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = TargetPrint.entitlements; sourceTree = "<group>"; };
 		096EF18F1A2CF6F3694EDF95 /* Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; fileEncoding = 4; path = Bridging-Header.h; sourceTree = "<group>"; };
@@ -159,6 +161,7 @@
 				240466A1B8F60F23F51D0A75 /* TargetJobTests.swift */,
 				79A6DBFC8F9430081786B20C /* GeometryTests.swift */,
 				A4F405305D559131407E062C /* AirPrintTests.swift */,
+				E812A34F2CA7679A4143984B /* PPDOptionsTests.swift */,
 			);
 			path = Tests;
 			sourceTree = "<group>";
@@ -325,6 +328,7 @@
 				6CC9ACBD3E08666338305F82 /* TargetJobTests.swift in Sources */,
 				37A78C4C83D7DB7ED2278F1E /* GeometryTests.swift in Sources */,
 				C723596BBFFD3559C97683FA /* AirPrintTests.swift in Sources */,
+				F812A34B2CA7679A4143984A /* PPDOptionsTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Tests/PPDOptionsTests.swift

@@ -0,0 +1,325 @@
+import Foundation
+#if canImport(XCTest)
+import XCTest
+#endif
+@testable import TargetPrint
+
+#if canImport(XCTest)
+final class PPDOptionsTests: XCTestCase {
+
+    func testDecodePPDString() {
+        XCTAssertEqual(CUPSManager.decodePPDString("plain"), "plain")
+        XCTAssertEqual(CUPSManager.decodePPDString("CD<2F>DVD"), "CD/DVD")
+        XCTAssertEqual(CUPSManager.decodePPDString("Photo<20>Paper<2E> Glossy"), "Photo Paper. Glossy")
+        XCTAssertEqual(CUPSManager.decodePPDString("Colon<3A>Test"), "Colon:Test")
+        XCTAssertEqual(CUPSManager.decodePPDString("Unclosed<2F"), "Unclosed<2F")
+        XCTAssertEqual(CUPSManager.decodePPDString("Invalid<ZZ>"), "Invalid<ZZ>")
+    }
+
+    func testStandardPPDMediaTypeAndTray() {
+        let ppd = """
+        *OpenUI *PageSize/Media Size: PickOne
+        *PageSize A4/A4: ""
+        *PageSize Letter/US Letter: ""
+        *CloseUI: *PageSize
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType Plain/Plain Paper: ""
+        *MediaType Glossy/Photo Glossy: ""
+        *CloseUI: *MediaType
+        *OpenUI *InputSlot/Paper Source: PickOne
+        *InputSlot Auto/Automatic Selection: ""
+        *InputSlot Upper/Upper Cassette: ""
+        *CloseUI: *InputSlot
+        """
+        let options = CUPSManager.discoverPPDOptions(ppd)
+        XCTAssertEqual(options.pageSizes, ["A4", "Letter"])
+        XCTAssertEqual(options.mediaTypeKeyword, "MediaType")
+        XCTAssertEqual(options.mediaTypeChoices, [
+            PPDChoice(name: "Plain", title: "Plain Paper"),
+            PPDChoice(name: "Glossy", title: "Photo Glossy")
+        ])
+        XCTAssertEqual(options.mediaTypes, ["Plain Paper", "Photo Glossy"])
+
+        XCTAssertEqual(options.trayKeyword, "InputSlot")
+        XCTAssertEqual(options.trayChoices, [
+            PPDChoice(name: "Auto", title: "Automatic Selection"),
+            PPDChoice(name: "Upper", title: "Upper Cassette")
+        ])
+        XCTAssertEqual(options.trays, ["Automatic Selection", "Upper Cassette"])
+    }
+
+    func testEpsonPPDMediaTypeAndTray() {
+        let ppd = """
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType 0/plain papers: ""
+        *MediaType 13/Epson Premium Glossy: ""
+        *MediaType 26/CD<2F>DVD: ""
+        *CloseUI: *MediaType
+        *OpenUI *EPIJ_FdSo/Paper Source: PickOne
+        *EPIJ_FdSo 2/Cassette 1: ""
+        *EPIJ_FdSo 3/Cassette 2: ""
+        *EPIJ_FdSo 12/Rear Paper Feed Slot: ""
+        *CloseUI: *EPIJ_FdSo
+        """
+        let options = CUPSManager.discoverPPDOptions(ppd)
+        XCTAssertEqual(options.mediaTypeKeyword, "MediaType")
+        XCTAssertEqual(options.mediaTypeChoices, [
+            PPDChoice(name: "0", title: "plain papers"),
+            PPDChoice(name: "13", title: "Epson Premium Glossy"),
+            PPDChoice(name: "26", title: "CD/DVD")
+        ])
+        XCTAssertEqual(options.mediaTypes, ["plain papers", "Epson Premium Glossy", "CD/DVD"])
+
+        XCTAssertEqual(options.trayKeyword, "EPIJ_FdSo")
+        XCTAssertEqual(options.trayChoices, [
+            PPDChoice(name: "2", title: "Cassette 1"),
+            PPDChoice(name: "3", title: "Cassette 2"),
+            PPDChoice(name: "12", title: "Rear Paper Feed Slot")
+        ])
+        XCTAssertEqual(options.trays, ["Cassette 1", "Cassette 2", "Rear Paper Feed Slot"])
+    }
+
+    func testCanonPPDMediaTypeAndTray() {
+        let ppd = """
+        *OpenUI *CNIJMediaType/Media Type: PickOne
+        *CNIJMediaType 0/Plain Paper: ""
+        *CNIJMediaType 92/Photo Paper Plus Glossy II: ""
+        *CloseUI: *CNIJMediaType
+        *OpenUI *CNIJMediaSupply/Paper Source: PickOne
+        *CNIJMediaSupply 7/Rear Tray: ""
+        *CNIJMediaSupply 33/Manual Feed: ""
+        *CloseUI: *CNIJMediaSupply
+        """
+        let options = CUPSManager.discoverPPDOptions(ppd)
+        XCTAssertEqual(options.mediaTypeKeyword, "CNIJMediaType")
+        XCTAssertEqual(options.mediaTypeChoices, [
+            PPDChoice(name: "0", title: "Plain Paper"),
+            PPDChoice(name: "92", title: "Photo Paper Plus Glossy II")
+        ])
+        XCTAssertEqual(options.mediaTypes, ["Plain Paper", "Photo Paper Plus Glossy II"])
+
+        XCTAssertEqual(options.trayKeyword, "CNIJMediaSupply")
+        XCTAssertEqual(options.trayChoices, [
+            PPDChoice(name: "7", title: "Rear Tray"),
+            PPDChoice(name: "33", title: "Manual Feed")
+        ])
+        XCTAssertEqual(options.trays, ["Rear Tray", "Manual Feed"])
+    }
+
+    func testEmptyPPDYieldsNilKeywordsAndEmptyChoices() {
+        let options = CUPSManager.discoverPPDOptions("")
+        XCTAssertNil(options.mediaTypeKeyword)
+        XCTAssertTrue(options.mediaTypeChoices.isEmpty)
+        XCTAssertTrue(options.mediaTypes.isEmpty)
+        XCTAssertNil(options.trayKeyword)
+        XCTAssertTrue(options.trayChoices.isEmpty)
+        XCTAssertTrue(options.trays.isEmpty)
+    }
+
+    func testQuotesStrippedFromTranslation() {
+        let ppd = """
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType Custom/"My Custom Paper": ""
+        *CloseUI: *MediaType
+        """
+        let options = CUPSManager.discoverPPDOptions(ppd)
+        XCTAssertEqual(options.mediaTypeChoices, [
+            PPDChoice(name: "Custom", title: "My Custom Paper")
+        ])
+    }
+
+    func testChoiceWithoutTranslationDefaultsTitleToName() {
+        let ppd = """
+        *MediaType Plain: ""
+        """
+        let choices = CUPSManager.optionDetails(in: ppd, keyword: "MediaType")
+        XCTAssertEqual(choices, [
+            PPDChoice(name: "Plain", title: "Plain")
+        ])
+    }
+
+    func testPrintEngineDynamicPPDKeysAndResolution() {
+        let epsonPPD = """
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType 0/plain papers: ""
+        *MediaType 13/Epson Premium Glossy: ""
+        *CloseUI: *MediaType
+        *OpenUI *EPIJ_FdSo/Paper Source: PickOne
+        *EPIJ_FdSo 2/Cassette 1: ""
+        *EPIJ_FdSo 12/Rear Paper Feed Slot: ""
+        *CloseUI: *EPIJ_FdSo
+        """
+        let options = CUPSManager.discoverPPDOptions(epsonPPD)
+        let queue = PrinterQueue(
+            name: "TestEpson",
+            displayName: "Test Epson",
+            uri: "usb://epson",
+            make: "Epson",
+            model: "XP-55",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: options.mediaTypes,
+            mediaTypeChoices: options.mediaTypeChoices,
+            mediaTypeKeyword: options.mediaTypeKeyword,
+            trays: options.trays,
+            trayChoices: options.trayChoices,
+            trayKeyword: options.trayKeyword,
+            resolutions: [],
+            ppdText: epsonPPD
+        )
+
+        let engine = PrintEngine()
+        engine.mediaType = "Epson Premium Glossy" // passed by human display title
+        engine.paperSource = "Cassette 1"         // passed by human display title
+
+        let printInfo = NSPrintInfo()
+        engine.applyOptionalPPDKeys(to: printInfo, queue: queue)
+
+        let dict = printInfo.dictionary()
+        let settingsKey = NSPrintInfo.AttributeKey(rawValue: "com.apple.print.printSettings")
+        let settings = dict[settingsKey] as? NSDictionary
+
+        XCTAssertEqual(settings?["MediaType"] as? String, "13")
+        XCTAssertEqual(settings?["EPIJ_FdSo"] as? String, "2")
+
+        // Canon test
+        let canonPPD = """
+        *OpenUI *CNIJMediaType/Media Type: PickOne
+        *CNIJMediaType 92/Photo Paper Plus Glossy II: ""
+        *CloseUI: *CNIJMediaType
+        *OpenUI *CNIJMediaSupply/Paper Source: PickOne
+        *CNIJMediaSupply 7/Rear Tray: ""
+        *CloseUI: *CNIJMediaSupply
+        """
+        let canonOpts = CUPSManager.discoverPPDOptions(canonPPD)
+        let canonQueue = PrinterQueue(
+            name: "TestCanon",
+            displayName: "Test Canon",
+            uri: "usb://canon",
+            make: "Canon",
+            model: "Pro9500",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: canonOpts.mediaTypes,
+            mediaTypeChoices: canonOpts.mediaTypeChoices,
+            mediaTypeKeyword: canonOpts.mediaTypeKeyword,
+            trays: canonOpts.trays,
+            trayChoices: canonOpts.trayChoices,
+            trayKeyword: canonOpts.trayKeyword,
+            resolutions: [],
+            ppdText: canonPPD
+        )
+
+        let canonEngine = PrintEngine()
+        canonEngine.mediaType = "Photo Paper Plus Glossy II"
+        canonEngine.paperSource = "Rear Tray"
+
+        let canonPrintInfo = NSPrintInfo()
+        canonEngine.applyOptionalPPDKeys(to: canonPrintInfo, queue: canonQueue)
+
+        let canonSettings = canonPrintInfo.dictionary()[settingsKey] as? NSDictionary
+        XCTAssertEqual(canonSettings?["CNIJMediaType"] as? String, "92")
+        XCTAssertEqual(canonSettings?["CNIJMediaSupply"] as? String, "7")
+
+        // Canon 5-notch Custom quality tests
+        let canonQualityPPD = """
+        *OpenUI *CNIJPrintQuality/Print Quality: PickOne
+        *CNIJPrintQuality 0/Super Fine: ""
+        *CNIJPrintQuality 5/Fine: ""
+        *CNIJPrintQuality 10/Normal(Fine): ""
+        *CNIJPrintQuality 15/Normal(Fast): ""
+        *CNIJPrintQuality 20/Fast: ""
+        *CloseUI: *CNIJPrintQuality
+        """
+        let canonQOpts = CUPSManager.discoverPPDOptions(canonQualityPPD)
+        XCTAssertEqual(canonQOpts.qualityKeyword, "CNIJPrintQuality")
+        XCTAssertEqual(canonQOpts.qualityChoices, [
+            PPDChoice(name: "0", title: "Super Fine"),
+            PPDChoice(name: "5", title: "Fine"),
+            PPDChoice(name: "10", title: "Normal(Fine)"),
+            PPDChoice(name: "15", title: "Normal(Fast)"),
+            PPDChoice(name: "20", title: "Fast")
+        ])
+
+        let canonQQueue = PrinterQueue(
+            name: "TestCanonQ",
+            displayName: "Test Canon Quality",
+            uri: "usb://canon",
+            make: "Canon",
+            model: "Pro9500",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: [],
+            mediaTypeChoices: [],
+            mediaTypeKeyword: nil,
+            trays: [],
+            trayChoices: [],
+            trayKeyword: nil,
+            qualityChoices: canonQOpts.qualityChoices,
+            qualityKeyword: canonQOpts.qualityKeyword,
+            resolutions: [],
+            ppdText: canonQualityPPD
+        )
+
+        // Super Fine: custom mode 5, slider notch 5, quality 0
+        let superFineEngine = PrintEngine()
+        superFineEngine.printQuality = "Super Fine"
+        let superFineInfo = NSPrintInfo()
+        superFineEngine.applyOptionalPPDKeys(to: superFineInfo, queue: canonQQueue)
+        let superFineSettings = superFineInfo.dictionary()[settingsKey] as? NSDictionary
+        XCTAssertEqual(superFineSettings?["CNIJPrintQuality"] as? String, "0")
+        XCTAssertEqual(superFineSettings?["CNIJPrintMode2"] as? String, "5")
+        XCTAssertEqual(superFineSettings?["CNIJPQualitySlider"] as? String, "5")
+
+        // Fine: preset mode 1, slider notch 4, quality 5
+        let fineEngine = PrintEngine()
+        fineEngine.printQuality = "Fine"
+        let fineInfo = NSPrintInfo()
+        fineEngine.applyOptionalPPDKeys(to: fineInfo, queue: canonQQueue)
+        let fineSettings = fineInfo.dictionary()[settingsKey] as? NSDictionary
+        XCTAssertEqual(fineSettings?["CNIJPrintQuality"] as? String, "5")
+        XCTAssertEqual(fineSettings?["CNIJPrintMode2"] as? String, "1")
+        XCTAssertEqual(fineSettings?["CNIJPQualitySlider"] as? String, "4")
+
+        // Epson quality test
+        let epsonQualityPPD = """
+        *OpenUI *EPIJ_Qual/Quality: PickOne
+        *EPIJ_Qual 307/Best Quality: ""
+        *EPIJ_Qual 305/Quality: ""
+        *EPIJ_Qual 304/Fine: ""
+        *CloseUI: *EPIJ_Qual
+        """
+        let epsonQOpts = CUPSManager.discoverPPDOptions(epsonQualityPPD)
+        XCTAssertEqual(epsonQOpts.qualityKeyword, "EPIJ_Qual")
+        XCTAssertEqual(epsonQOpts.qualityChoices.count, 3)
+        XCTAssertEqual(epsonQOpts.qualityChoices.first?.name, "307")
+        XCTAssertEqual(epsonQOpts.qualityChoices.first?.title, "Best Quality")
+
+        let epsonQQueue = PrinterQueue(
+            name: "TestEpsonQ",
+            displayName: "Test Epson Quality",
+            uri: "usb://epson",
+            make: "Epson",
+            model: "XP-55",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: [],
+            mediaTypeChoices: [],
+            mediaTypeKeyword: nil,
+            trays: [],
+            trayChoices: [],
+            trayKeyword: nil,
+            qualityChoices: epsonQOpts.qualityChoices,
+            qualityKeyword: epsonQOpts.qualityKeyword,
+            resolutions: [],
+            ppdText: epsonQualityPPD
+        )
+        let epsonQEngine = PrintEngine()
+        epsonQEngine.printQuality = "Best Quality"
+        let epsonQInfo = NSPrintInfo()
+        epsonQEngine.applyOptionalPPDKeys(to: epsonQInfo, queue: epsonQQueue)
+        let epsonQSettings = epsonQInfo.dictionary()[settingsKey] as? NSDictionary
+        XCTAssertEqual(epsonQSettings?["EPIJ_Qual"] as? String, "307")
+    }
+}
+#endif

Tests/TestRunnerMain.swift

@@ -0,0 +1,383 @@
+import Foundation
+import AppKit
+
+// Standalone CLI test runner for environments without full Xcode / XCTest.framework (e.g. Command Line Tools).
+
+func expect(_ condition: @autoclosure () -> Bool, _ message: String = "", file: StaticString = #file, line: UInt = #line) {
+    if !condition() {
+        fputs("❌ FAIL: \(file):\(line): condition was false. \(message)\n", stderr)
+        exit(1)
+    }
+}
+
+func expectEqual<T: Equatable>(_ actual: T, _ expected: T, _ message: String = "", file: StaticString = #file, line: UInt = #line) {
+    if actual != expected {
+        fputs("❌ FAIL: \(file):\(line): expected '\(expected)', got '\(actual)'. \(message)\n", stderr)
+        exit(1)
+    }
+}
+
+func expectNil<T>(_ actual: T?, _ message: String = "", file: StaticString = #file, line: UInt = #line) {
+    if let actual = actual {
+        fputs("❌ FAIL: \(file):\(line): expected nil, got '\(actual)'. \(message)\n", stderr)
+        exit(1)
+    }
+}
+
+@main
+struct TestRunner {
+    static func main() {
+        print("==> Running TargetPrint test suite...")
+
+        // MARK: - 1. PPD Options & Choice Tests (Issues #1 and #2)
+        print("--> PPDOptionsTests")
+        // Hex decoding
+        expectEqual(CUPSManager.decodePPDString("plain"), "plain")
+        expectEqual(CUPSManager.decodePPDString("CD<2F>DVD"), "CD/DVD")
+        expectEqual(CUPSManager.decodePPDString("Photo<20>Paper<2E> Glossy"), "Photo Paper. Glossy")
+        expectEqual(CUPSManager.decodePPDString("Colon<3A>Test"), "Colon:Test")
+        expectEqual(CUPSManager.decodePPDString("Unclosed<2F"), "Unclosed<2F")
+        expectEqual(CUPSManager.decodePPDString("Invalid<ZZ>"), "Invalid<ZZ>")
+
+        // Standard PPD
+        let stdPPD = """
+        *OpenUI *PageSize/Media Size: PickOne
+        *PageSize A4/A4: ""
+        *PageSize Letter/US Letter: ""
+        *CloseUI: *PageSize
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType Plain/Plain Paper: ""
+        *MediaType Glossy/Photo Glossy: ""
+        *CloseUI: *MediaType
+        *OpenUI *InputSlot/Paper Source: PickOne
+        *InputSlot Auto/Automatic Selection: ""
+        *InputSlot Upper/Upper Cassette: ""
+        *CloseUI: *InputSlot
+        """
+        let stdOpts = CUPSManager.discoverPPDOptions(stdPPD)
+        expectEqual(stdOpts.pageSizes, ["A4", "Letter"])
+        expectEqual(stdOpts.mediaTypeKeyword, "MediaType")
+        expectEqual(stdOpts.mediaTypeChoices, [
+            PPDChoice(name: "Plain", title: "Plain Paper"),
+            PPDChoice(name: "Glossy", title: "Photo Glossy")
+        ])
+        expectEqual(stdOpts.mediaTypes, ["Plain Paper", "Photo Glossy"])
+        expectEqual(stdOpts.trayKeyword, "InputSlot")
+        expectEqual(stdOpts.trayChoices, [
+            PPDChoice(name: "Auto", title: "Automatic Selection"),
+            PPDChoice(name: "Upper", title: "Upper Cassette")
+        ])
+        expectEqual(stdOpts.trays, ["Automatic Selection", "Upper Cassette"])
+
+        // Epson PPD
+        let epsonPPD = """
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType 0/plain papers: ""
+        *MediaType 13/Epson Premium Glossy: ""
+        *MediaType 26/CD<2F>DVD: ""
+        *CloseUI: *MediaType
+        *OpenUI *EPIJ_FdSo/Paper Source: PickOne
+        *EPIJ_FdSo 2/Cassette 1: ""
+        *EPIJ_FdSo 3/Cassette 2: ""
+        *EPIJ_FdSo 12/Rear Paper Feed Slot: ""
+        *CloseUI: *EPIJ_FdSo
+        """
+        let epsonOpts = CUPSManager.discoverPPDOptions(epsonPPD)
+        expectEqual(epsonOpts.mediaTypeKeyword, "MediaType")
+        expectEqual(epsonOpts.mediaTypeChoices, [
+            PPDChoice(name: "0", title: "plain papers"),
+            PPDChoice(name: "13", title: "Epson Premium Glossy"),
+            PPDChoice(name: "26", title: "CD/DVD")
+        ])
+        expectEqual(epsonOpts.mediaTypes, ["plain papers", "Epson Premium Glossy", "CD/DVD"])
+        expectEqual(epsonOpts.trayKeyword, "EPIJ_FdSo")
+        expectEqual(epsonOpts.trayChoices, [
+            PPDChoice(name: "2", title: "Cassette 1"),
+            PPDChoice(name: "3", title: "Cassette 2"),
+            PPDChoice(name: "12", title: "Rear Paper Feed Slot")
+        ])
+        expectEqual(epsonOpts.trays, ["Cassette 1", "Cassette 2", "Rear Paper Feed Slot"])
+
+        // Canon PPD
+        let canonPPD = """
+        *OpenUI *CNIJMediaType/Media Type: PickOne
+        *CNIJMediaType 0/Plain Paper: ""
+        *CNIJMediaType 92/Photo Paper Plus Glossy II: ""
+        *CloseUI: *CNIJMediaType
+        *OpenUI *CNIJMediaSupply/Paper Source: PickOne
+        *CNIJMediaSupply 7/Rear Tray: ""
+        *CNIJMediaSupply 33/Manual Feed: ""
+        *CloseUI: *CNIJMediaSupply
+        """
+        let canonOpts = CUPSManager.discoverPPDOptions(canonPPD)
+        expectEqual(canonOpts.mediaTypeKeyword, "CNIJMediaType")
+        expectEqual(canonOpts.mediaTypeChoices, [
+            PPDChoice(name: "0", title: "Plain Paper"),
+            PPDChoice(name: "92", title: "Photo Paper Plus Glossy II")
+        ])
+        expectEqual(canonOpts.mediaTypes, ["Plain Paper", "Photo Paper Plus Glossy II"])
+        expectEqual(canonOpts.trayKeyword, "CNIJMediaSupply")
+        expectEqual(canonOpts.trayChoices, [
+            PPDChoice(name: "7", title: "Rear Tray"),
+            PPDChoice(name: "33", title: "Manual Feed")
+        ])
+        expectEqual(canonOpts.trays, ["Rear Tray", "Manual Feed"])
+
+        // Empty PPD
+        let emptyOpts = CUPSManager.discoverPPDOptions("")
+        expectNil(emptyOpts.mediaTypeKeyword)
+        expect(emptyOpts.mediaTypeChoices.isEmpty)
+        expect(emptyOpts.mediaTypes.isEmpty)
+        expectNil(emptyOpts.trayKeyword)
+        expect(emptyOpts.trayChoices.isEmpty)
+        expect(emptyOpts.trays.isEmpty)
+
+        // Strip quotes & fallback
+        let quotePPD = """
+        *OpenUI *MediaType/Media Type: PickOne
+        *MediaType Custom/"My Custom Paper": ""
+        *MediaType Fallback: ""
+        *CloseUI: *MediaType
+        """
+        let quoteOpts = CUPSManager.discoverPPDOptions(quotePPD)
+        expectEqual(quoteOpts.mediaTypeChoices, [
+            PPDChoice(name: "Custom", title: "My Custom Paper"),
+            PPDChoice(name: "Fallback", title: "Fallback")
+        ])
+
+        // PrintEngine dynamic resolution and vendor keys
+        let epsonQueue = PrinterQueue(
+            name: "TestEpson",
+            displayName: "Test Epson",
+            uri: "usb://epson",
+            make: "Epson",
+            model: "XP-55",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: epsonOpts.mediaTypes,
+            mediaTypeChoices: epsonOpts.mediaTypeChoices,
+            mediaTypeKeyword: epsonOpts.mediaTypeKeyword,
+            trays: epsonOpts.trays,
+            trayChoices: epsonOpts.trayChoices,
+            trayKeyword: epsonOpts.trayKeyword,
+            resolutions: [],
+            ppdText: epsonPPD
+        )
+        let engine = PrintEngine()
+        engine.mediaType = "Epson Premium Glossy"
+        engine.paperSource = "Cassette 1"
+        let printInfo = NSPrintInfo()
+        engine.applyOptionalPPDKeys(to: printInfo, queue: epsonQueue)
+        let settingsKey = NSPrintInfo.AttributeKey(rawValue: "com.apple.print.printSettings")
+        let settings = printInfo.dictionary()[settingsKey] as? NSDictionary
+        expectEqual(settings?["MediaType"] as? String, Optional("13"))
+        expectEqual(settings?["EPIJ_FdSo"] as? String, Optional("2"))
+
+        let canonQueue = PrinterQueue(
+            name: "TestCanon",
+            displayName: "Test Canon",
+            uri: "usb://canon",
+            make: "Canon",
+            model: "Pro9500",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: canonOpts.mediaTypes,
+            mediaTypeChoices: canonOpts.mediaTypeChoices,
+            mediaTypeKeyword: canonOpts.mediaTypeKeyword,
+            trays: canonOpts.trays,
+            trayChoices: canonOpts.trayChoices,
+            trayKeyword: canonOpts.trayKeyword,
+            resolutions: [],
+            ppdText: canonPPD
+        )
+        let canonEngine = PrintEngine()
+        canonEngine.mediaType = "Photo Paper Plus Glossy II"
+        canonEngine.paperSource = "Rear Tray"
+        let canonPrintInfo = NSPrintInfo()
+        canonEngine.applyOptionalPPDKeys(to: canonPrintInfo, queue: canonQueue)
+        let canonSettings = canonPrintInfo.dictionary()[settingsKey] as? NSDictionary
+        expectEqual(canonSettings?["CNIJMediaType"] as? String, Optional("92"))
+        expectEqual(canonSettings?["CNIJMediaSupply"] as? String, Optional("7"))
+
+        // Canon 5-notch Custom quality tests
+        let canonQualityPPD = """
+        *OpenUI *CNIJPrintQuality/Print Quality: PickOne
+        *CNIJPrintQuality 0/Super Fine: ""
+        *CNIJPrintQuality 5/Fine: ""
+        *CNIJPrintQuality 10/Normal(Fine): ""
+        *CNIJPrintQuality 15/Normal(Fast): ""
+        *CNIJPrintQuality 20/Fast: ""
+        *CloseUI: *CNIJPrintQuality
+        """
+        let canonQOpts = CUPSManager.discoverPPDOptions(canonQualityPPD)
+        expectEqual(canonQOpts.qualityKeyword, "CNIJPrintQuality")
+        expectEqual(canonQOpts.qualityChoices, [
+            PPDChoice(name: "0", title: "Super Fine"),
+            PPDChoice(name: "5", title: "Fine"),
+            PPDChoice(name: "10", title: "Normal(Fine)"),
+            PPDChoice(name: "15", title: "Normal(Fast)"),
+            PPDChoice(name: "20", title: "Fast")
+        ])
+
+        let canonQQueue = PrinterQueue(
+            name: "TestCanonQ",
+            displayName: "Test Canon Quality",
+            uri: "usb://canon",
+            make: "Canon",
+            model: "Pro9500",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: [],
+            mediaTypeChoices: [],
+            mediaTypeKeyword: nil,
+            trays: [],
+            trayChoices: [],
+            trayKeyword: nil,
+            qualityChoices: canonQOpts.qualityChoices,
+            qualityKeyword: canonQOpts.qualityKeyword,
+            resolutions: [],
+            ppdText: canonQualityPPD
+        )
+
+        // Super Fine: custom mode 5, slider notch 5, quality 0
+        let superFineEngine = PrintEngine()
+        superFineEngine.printQuality = "Super Fine"
+        let superFineInfo = NSPrintInfo()
+        superFineEngine.applyOptionalPPDKeys(to: superFineInfo, queue: canonQQueue)
+        let superFineSettings = superFineInfo.dictionary()[settingsKey] as? NSDictionary
+        expectEqual(superFineSettings?["CNIJPrintQuality"] as? String, Optional("0"))
+        expectEqual(superFineSettings?["CNIJPrintMode2"] as? String, Optional("5"))
+        expectEqual(superFineSettings?["CNIJPQualitySlider"] as? String, Optional("5"))
+
+        // Fine: preset mode 1, slider notch 4, quality 5
+        let fineEngine = PrintEngine()
+        fineEngine.printQuality = "Fine"
+        let fineInfo = NSPrintInfo()
+        fineEngine.applyOptionalPPDKeys(to: fineInfo, queue: canonQQueue)
+        let fineSettings = fineInfo.dictionary()[settingsKey] as? NSDictionary
+        expectEqual(fineSettings?["CNIJPrintQuality"] as? String, Optional("5"))
+        expectEqual(fineSettings?["CNIJPrintMode2"] as? String, Optional("1"))
+        expectEqual(fineSettings?["CNIJPQualitySlider"] as? String, Optional("4"))
+
+        // Epson quality test
+        let epsonQualityPPD = """
+        *OpenUI *EPIJ_Qual/Quality: PickOne
+        *EPIJ_Qual 307/Best Quality: ""
+        *EPIJ_Qual 305/Quality: ""
+        *EPIJ_Qual 304/Fine: ""
+        *CloseUI: *EPIJ_Qual
+        """
+        let epsonQOpts = CUPSManager.discoverPPDOptions(epsonQualityPPD)
+        expectEqual(epsonQOpts.qualityKeyword, "EPIJ_Qual")
+        expectEqual(epsonQOpts.qualityChoices.count, 3)
+        expectEqual(epsonQOpts.qualityChoices.first?.name, "307")
+        expectEqual(epsonQOpts.qualityChoices.first?.title, "Best Quality")
+
+        let epsonQQueue = PrinterQueue(
+            name: "TestEpsonQ",
+            displayName: "Test Epson Quality",
+            uri: "usb://epson",
+            make: "Epson",
+            model: "XP-55",
+            isAirPrint: false,
+            mediaSizes: ["A4"],
+            mediaTypes: [],
+            mediaTypeChoices: [],
+            mediaTypeKeyword: nil,
+            trays: [],
+            trayChoices: [],
+            trayKeyword: nil,
+            qualityChoices: epsonQOpts.qualityChoices,
+            qualityKeyword: epsonQOpts.qualityKeyword,
+            resolutions: [],
+            ppdText: epsonQualityPPD
+        )
+        let epsonQEngine = PrintEngine()
+        epsonQEngine.printQuality = "Best Quality"
+        let epsonQInfo = NSPrintInfo()
+        epsonQEngine.applyOptionalPPDKeys(to: epsonQInfo, queue: epsonQQueue)
+        let epsonQSettings = epsonQInfo.dictionary()[settingsKey] as? NSDictionary
+        expectEqual(epsonQSettings?["EPIJ_Qual"] as? String, Optional("307"))
+
+        print("    [PASS] PPDOptionsTests")
+
+        // MARK: - 2. AirPrintTests
+        print("--> AirPrintTests")
+        expect(AirPrintDetector.isAirPrint(uri: "apple-airprint://Brother%20HL._ipp._tcp.local/", ppdText: "", make: "Brother", model: "HL-L3270CDW"))
+        expect(AirPrintDetector.isAirPrint(uri: "ipps://living-room.local/ipp/print", ppdText: "*Manufacturer: Apple\n*APAirPrint: True\n", make: "Apple", model: "AirPrint Printer"))
+        expect(AirPrintDetector.isAirPrint(uri: "dnssd://Foo._ipp._tcp.local/", ppdText: "", make: "Apple", model: "Living Room AirPrint"))
+        expect(!AirPrintDetector.isAirPrint(uri: "usb://EPSON/XP-55%20Series?serial=X5R001", ppdText: "*Manufacturer: Epson\n*EPSONColorControls: Off\n", make: "Epson", model: "XP-55"))
+        expect(!AirPrintDetector.isAirPrint(uri: "ipps://office-printer.local/ipp/print", ppdText: "*Manufacturer: HP\n*HPColorControl: Off\n", make: "HP", model: "OfficeJet Pro 9010"))
+
+        let epsonBypass = CUPSManager.vendorColorBypass(make: "Epson", model: "XP-55", ppdText: "")
+        expectEqual(epsonBypass["ColorModel"], "RGB")
+        expectEqual(epsonBypass["EPSONColorControls"], "Off")
+
+        let canonBypass = CUPSManager.vendorColorBypass(make: "Canon", model: "PRO-100", ppdText: "")
+        expectEqual(canonBypass["CNColorMatching"], "None")
+
+        let hpBypass = CUPSManager.vendorColorBypass(make: "HP", model: "9010", ppdText: "")
+        expectEqual(hpBypass["HPColorControl"], "Off")
+
+        print("    [PASS] AirPrintTests")
+
+        // MARK: - 3. GeometryTests
+        print("--> GeometryTests")
+        let w = Geometry.physicalInches(pixels: 2400, dpi: 300)
+        let h = Geometry.physicalInches(pixels: 3000, dpi: 300)
+        expectEqual(w, 8.0)
+        expectEqual(h, 10.0)
+        expect(Geometry.geometricAccuracyPass(expectedWidthIn: 8, expectedHeightIn: 10, actualWidthIn: w, actualHeightIn: h))
+        expectEqual(Geometry.physicalInches(pixels: 720, dpi: 0), 10.0)
+        expectEqual(Geometry.physicalInches(pixels: 720, dpi: -3), 10.0)
+        expectEqual(Geometry.physicalInches(pixels: 72, dpi: 72), 1.0)
+        let letter = Geometry.paper(named: "Letter")
+        expect(abs(letter.widthPt - 612.0) < 0.01)
+        expect(abs(letter.heightPt - 792.0) < 0.01)
+        print("    [PASS] GeometryTests")
+
+        // MARK: - 4. TargetJobTests
+        print("--> TargetJobTests")
+        let validJSON = """
+        {
+          "version": 1,
+          "jobTitle": "Epson_XP55_IlfordLustre_Target_P1-2",
+          "files": ["/tmp/a.tif", "/tmp/b.tif"],
+          "printSettings": {
+            "printerName": "EPSON_XP_55_Series",
+            "mediaSize": "A4",
+            "mediaType": "PremiumGlossy",
+            "paperSource": "Auto",
+            "resolution": "5760x1440dpi",
+            "printQuality": "Super Fine",
+            "scaling": 1.0,
+            "centered": true,
+            "forceUnmanagedColor": true
+          },
+          "uiPolicy": {
+            "lockColorManagement": true,
+            "allowBasicDriverChanges": true
+          },
+          "unknownKey": "ignored"
+        }
+        """
+        do {
+            let parsed = try TargetJobParser.parse(text: validJSON)
+            expectEqual(parsed.version, 1)
+            expectEqual(parsed.jobTitle, "Epson_XP55_IlfordLustre_Target_P1-2")
+            expectEqual(parsed.files.count, 2)
+            expectEqual(parsed.printSettings.mediaType, "PremiumGlossy")
+            expectEqual(parsed.printSettings.printQuality, "Super Fine")
+            let serialized = try TargetJobParser.serialize(parsed)
+            let again = try TargetJobParser.parse(data: serialized)
+            expectEqual(parsed, again)
+            expectEqual(again.printSettings.printQuality, "Super Fine")
+        } catch {
+            fputs("TargetJob parsing error: \(error)\n", stderr)
+            exit(1)
+        }
+        print("    [PASS] TargetJobTests")
+
+        print("==> All test suites passed successfully! 🎉")
+    }
+}