feat: Adds generate commands that call to pandoc to generate pdf, latex, and html files from a project.

Sources/hpa/GenerateCommands/GenerateCommand.swift

@@ -0,0 +1,14 @@
+import ArgumentParser
+
+struct GenerateCommand: AsyncParsableCommand {
+  static let commandName = "generate"
+
+  static let configuration = CommandConfiguration(
+    commandName: commandName,
+    subcommands: [
+      GeneratePdfCommand.self,
+      GenerateLatexCommand.self,
+      GenerateHtmlCommand.self
+    ]
+  )
+}

Sources/hpa/GenerateCommands/GenerateHtmlCommand.swift

@@ -0,0 +1,24 @@
+import ArgumentParser
+import CliClient
+import Dependencies
+
+// TODO: Need to add a step to build prior to generating file.
+struct GenerateHtmlCommand: AsyncParsableCommand {
+  static let commandName = "html"
+
+  static let configuration = CommandConfiguration(
+    commandName: commandName
+  )
+
+  @OptionGroup var globals: GenerateOptions
+
+  mutating func run() async throws {
+    @Dependency(\.cliClient) var cliClient
+
+    try await cliClient.runPandocCommand(
+      globals.pandocOptions(.html),
+      logging: globals.loggingOptions(commandName: Self.commandName)
+    )
+  }
+
+}

Sources/hpa/GenerateCommands/GenerateLatexCommand.swift

@@ -0,0 +1,23 @@
+import ArgumentParser
+import CliClient
+import Dependencies
+
+// TODO: Need to add a step to build prior to generating file.
+struct GenerateLatexCommand: AsyncParsableCommand {
+  static let commandName = "latex"
+
+  static let configuration = CommandConfiguration(
+    commandName: commandName
+  )
+
+  @OptionGroup var globals: GenerateOptions
+
+  mutating func run() async throws {
+    @Dependency(\.cliClient) var cliClient
+
+    try await cliClient.runPandocCommand(
+      globals.pandocOptions(.latex),
+      logging: globals.loggingOptions(commandName: Self.commandName)
+    )
+  }
+}

Sources/hpa/GenerateCommands/GenerateOptions.swift

@@ -0,0 +1,87 @@
+import ArgumentParser
+import CliClient
+
+@dynamicMemberLookup
+struct GenerateOptions: ParsableArguments {
+
+  @OptionGroup var basic: BasicGlobalOptions
+
+  @Option(
+    name: [.short, .customLong("file")],
+    help: "Files used to generate the output, can be specified multiple times.",
+    completion: .file()
+  )
+  var files: [String] = []
+
+  @Option(
+    name: [.customShort("H"), .long],
+    help: "Files to include in the header, can be specified multiple times.",
+    completion: .file()
+  )
+  var includeInHeader: [String] = []
+
+  @Flag(
+    help: "Do not build the project prior to generating the output."
+  )
+  var noBuild: Bool = false
+
+  @Option(
+    name: .shortAndLong,
+    help: "The project directory.",
+    completion: .directory
+  )
+  var projectDirectory: String?
+
+  @Option(
+    name: .shortAndLong,
+    help: "The output directory",
+    completion: .directory
+  )
+  var outputDirectory: String?
+
+  @Option(
+    name: [.customShort("n"), .customLong("name")],
+    help: "Name of the output file."
+  )
+  var outputFileName: String?
+
+  // NOTE: This must be last, both here and in the commands, so if the commands have options of their
+  //       own, they must be declared ahead of using the global options.
+
+  @Argument(
+    help: "Extra arguments / options to pass to the underlying pandoc command."
+  )
+  var extraOptions: [String] = []
+
+  subscript<T>(dynamicMember keyPath: WritableKeyPath<BasicGlobalOptions, T>) -> T {
+    get { basic[keyPath: keyPath] }
+    set { basic[keyPath: keyPath] = newValue }
+  }
+
+  subscript<T>(dynamicMember keyPath: KeyPath<BasicGlobalOptions, T>) -> T {
+    basic[keyPath: keyPath]
+  }
+}
+
+extension GenerateOptions {
+
+  func loggingOptions(commandName: String) -> CliClient.LoggingOptions {
+    basic.loggingOptions(commandName: commandName)
+  }
+
+  func pandocOptions(
+    _ fileType: CliClient.PandocOptions.FileType
+  ) -> CliClient.PandocOptions {
+    .init(
+      files: files.count > 0 ? files : nil,
+      includeInHeader: includeInHeader.count > 0 ? includeInHeader : nil,
+      outputDirectory: outputDirectory,
+      outputFileName: outputFileName,
+      outputFileType: fileType,
+      projectDirectory: projectDirectory,
+      quiet: basic.quiet,
+      shell: basic.shell,
+      shouldBuild: !noBuild
+    )
+  }
+}

Sources/hpa/GenerateCommands/GeneratePdfCommand.swift

@@ -0,0 +1,32 @@
+import ArgumentParser
+import CliClient
+import Dependencies
+
+// TODO: Need to add a step to build prior to generating file.
+
+struct GeneratePdfCommand: AsyncParsableCommand {
+  static let commandName = "pdf"
+
+  static let configuration = CommandConfiguration(
+    commandName: commandName
+  )
+
+  @Option(
+    name: [.customShort("e"), .customLong("engine")],
+    help: "The pdf engine to use."
+  )
+  var pdfEngine: String?
+
+  @OptionGroup var globals: GenerateOptions
+
+  mutating func run() async throws {
+    @Dependency(\.cliClient) var cliClient
+
+    let output = try await cliClient.runPandocCommand(
+      globals.pandocOptions(.pdf(engine: pdfEngine)),
+      logging: globals.loggingOptions(commandName: Self.commandName)
+    )
+
+    print(output)
+  }
+}