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/* NSC -- new Scala compiler
* Copyright 2005-2011 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 _ =>
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 _ =>
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) 2002-2011, 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]) {
try {
val cl = this.getClass.getClassLoader()
val clasz = cl.loadClass(args(0))
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")
exit(1)
}
}
def emitManPage(classname: String, outStream: java.io.OutputStream) {
out.setOut(outStream)
main(Array(classname))
}
}
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