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Scala example source code file (EmitManPage.scala)
The EmitManPage.scala Scala example source code/* NSC -- new Scala compiler * Copyright 2005-2013 LAMP/EPFL * @author Stephane Micheloud * Adapted from Lex Spoon's sbaz manual */ package scala.tools.docutil // For help on man pages see: // - http://www.linuxfocus.org/English/November2003/article309.shtml // - http://www.schweikhardt.net/man_page_howto.html object EmitManPage { import ManPage._ val out = Console def escape(text: String) = text.replaceAll("-", "\\-") def emitSection(section: Section, depth: Int) { def emitPara(text: AbstractText) { emitText(text) out println "\n.IP" } def emitText(text: AbstractText) { text match { case seq:SeqText => seq.components foreach emitText case seq:SeqPara => seq.components foreach emitPara case Text(text) => out print escape(text) case BSlash => out print "\\e" case NDash | MDash => out print "\\-" case Bold(text) => out print "\\fB" emitText(text) out print "\\fR" case Italic(text) => out print "\\fI" emitText(text) out print "\\fR" case Emph(text) => out.print("\\fI") emitText(text) out.print("\\fI") case Mono(text) => out.print("") emitText(text) out.print("") case Quote(text) => out.print("\"") emitText(text) out.print("\"") case DefinitionList(definitions @ _*) => var n = definitions.length for (d <- definitions) { out println ".TP" emitText(d.term) out.println emitText(d.description) if (n > 1) { out.println; n -= 1 } } case Link(label, url) => emitText(label) case _ => sys.error("unknown text node: " + text) } } def emitParagraph(para: Paragraph) { para match { case TextParagraph(text) => out println ".PP" emitText(text) out.println case BlockQuote(text) => out println ".TP" emitText(text) out.println case CodeSample(text) => out println "\n.nf" out.print(text) out println "\n.fi" case lst:BulletList => for (item <- lst.items) { out println ".IP" emitText(item) out.println } case lst:NumberedList => for { idx <- List.range(0, lst.items.length) } { val item = lst.items(idx) out.println(".IP \" " + (idx+1) + ".\"") emitText(item) out.println } case TitledPara(title, text) => out println ".PP" out print "\\fB" emitText(title) out print "\\fR" emitText(text) case EmbeddedSection(sect) => emitSection(sect, depth + 1) case _ => sys.error("unknown paragraph node: " + para) } } out println ".\\\"" out.println(".\\\" ############################## " + section.title + " ###############################") out println ".\\\"" val tag = if (depth > 1) ".SS" else ".SH" val title = if (section.title.indexOf(" ") > 0) "\"" + section.title + "\"" else section.title out.println(tag + " " + title) section.paragraphs foreach emitParagraph } def emitDocument(doc: Document) { out println ".\\\" ##########################################################################" out println ".\\\" # __ #" out println ".\\\" # ________ ___ / / ___ Scala 2 On-line Manual Pages #" out println ".\\\" # / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL #" out println ".\\\" # __\\ \\/ /__/ __ |/ /__/ __ | #" out println ".\\\" # /____/\\___/_/ |_/____/_/ | | http://scala-lang.org/ #" out println ".\\\" # |/ #" out println ".\\\" ##########################################################################" out println ".\\\"" out println ".\\\" Process this file with nroff -man scala.1" out println ".\\\"" out.println(".TH " + doc.title + " " + doc.category.id + " \"" + doc.date + "\" \"version " + doc.version + "\" \"" + doc.category + "\"") doc.sections foreach (s => emitSection(s, 1)) } def main(args: Array[String]) = args match{ case Array(classname) => emitManPage(classname) case Array(classname, file, _*) => emitManPage(classname, new java.io.FileOutputStream(file)) case _ => sys.exit(1) } def emitManPage(classname: String, outStream: java.io.OutputStream = out.out) { if(outStream != out.out) out setOut outStream try { val cl = this.getClass.getClassLoader() val clasz = cl loadClass classname val meth = clasz getDeclaredMethod "manpage" val doc = meth.invoke(null).asInstanceOf[Document] emitDocument(doc) } catch { case ex: Exception => ex.printStackTrace() System.err println "Error in EmitManPage" sys.exit(1) } } } Other Scala source code examplesHere is a short list of links related to this Scala EmitManPage.scala source code file: |
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