TZGyn
2d031e58a4
Drag files in Finder, hold a modifier, and drop on a wheel of outputs. Conversions run entirely on-device through ImageIO, PDFKit, AVFoundation, the bundled CLI tools, and optional ffmpeg/LibreOffice. Includes a --self-test suite (41 checks) and a --convert CLI mode so the conversion matrix can be verified without the UI.
67 lines
3.0 KiB
Swift
67 lines
3.0 KiB
Swift
import Foundation
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/// Where a produced file goes, and what it is called.
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enum OutputNaming {
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/// ``name.pdf`` for ``photo.jpg`` — appends ``-2``, ``-3`` … when the
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/// target already exists (unless the user asked to overwrite).
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static func destination(for source: URL, format: Format, settings: Settings = .shared) -> URL {
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let base = source.deletingPathExtension().lastPathComponent
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let directory: URL
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switch settings.outputLocation {
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case .besideOriginal:
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directory = source.deletingLastPathComponent()
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case .chosenFolder:
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let folder = settings.resolvedOutputFolder
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directory = FileManager.default.fileExists(atPath: folder.path)
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? folder
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: source.deletingLastPathComponent()
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}
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let candidate = directory.appendingPathComponent(base).appendingPathExtension(format.ext)
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return settings.conflictPolicy == .overwrite ? candidate : availableURL(for: candidate)
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}
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/// A sibling of any output a tool produces (e.g. ``photo-compressed.jpg``).
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static func sibling(for source: URL, suffix: String, extension ext: String? = nil) -> URL {
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let base = source.deletingPathExtension().lastPathComponent
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let directory = source.deletingLastPathComponent()
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let resolvedExtension = ext ?? source.pathExtension
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return availableURL(
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for: directory.appendingPathComponent(base + suffix).appendingPathExtension(resolvedExtension)
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)
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}
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/// A working directory for multi-file outputs (split pages, extracted
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/// images, unarchived trees).
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static func artifactDirectory(for source: URL, suffix: String) -> URL {
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let base = source.deletingPathExtension().lastPathComponent
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let directory = source.deletingLastPathComponent()
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let url = directory.appendingPathComponent(base + suffix, isDirectory: true)
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var candidate = url
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var index = 2
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while FileManager.default.fileExists(atPath: candidate.path) {
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candidate = directory.appendingPathComponent("\(base + suffix) \(index)", isDirectory: true)
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index += 1
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}
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return candidate
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}
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/// ``foo 2.txt``, ``foo 3.txt`` … until the name is free.
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static func availableURL(for url: URL) -> URL {
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guard FileManager.default.fileExists(atPath: url.path) else { return url }
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let directory = url.deletingLastPathComponent()
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let ext = url.pathExtension
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let base = url.deletingPathExtension().lastPathComponent
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var index = 2
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while true {
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let name = ext.isEmpty ? "\(base) \(index)" : "\(base) \(index).\(ext)"
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let candidate = directory.appendingPathComponent(name)
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if !FileManager.default.fileExists(atPath: candidate.path) { return candidate }
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index += 1
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}
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}
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static func uniqueChild(of directory: URL, suggestedName: String) -> URL {
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availableURL(for: directory.appendingPathComponent(suggestedName))
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}
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}
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