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/* NSC -- new Scala compiler
* Copyright 2005-2012 LAMP/EPFL
* @author Stephane Micheloud
* Adapted from Lex Spoon's sbaz manual
*/
package scala.tools.docutil
object EmitHtml {
import scala.xml.{Node, NodeBuffer, NodeSeq, XML}
import ManPage._
val out = Console
def escape(text: String) =
text.replaceAll("&", "&")
.replaceAll("<", "<")
.replaceAll(">", ">")
/* */
def emitSection(section: Section, depth: Int) {
def emitPara(text: AbstractText) {
out println "<div>"
emitText(text)
out println "\n</div>"
}
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 "\\"
case MDash =>
out print "—"
case NDash =>
out print "–"
case Bold(text) =>
out print "<b>"
emitText(text)
out print "</b>"
case Italic(text) =>
out print "<i>"
emitText(text)
out print "</i>"
case Emph(text) =>
out print "<em>"
emitText(text)
out print "</em>"
case Mono(text) =>
out print "<code>"
emitText(text)
out print "</code>"
case Quote(text) =>
out print "\""
emitText(text)
out print "\""
case DefinitionList(definitions @ _*) =>
out println "<ins><dl>"
for (d <- definitions) {
out println "<dt>"
emitText(d.term)
out println "\n</dt>"
out println "<dd>"
emitText(d.description)
out println "</dd>"
}
out println "</dl></ins>"
case Link(label, url) =>
out.print("<a href=\"" + url + "\">")
emitText(label)
out print "</a>"
case _ =>
sys.error("unknown text node: " + text)
}
}
def emitParagraph(para: Paragraph) {
para match {
case TextParagraph(text) =>
out println "<p>"
emitText(text)
out println "</p>"
case BlockQuote(text) =>
out println "<blockquote><p>"
emitText(text)
out println "</p></blockquote>"
case CodeSample(text) =>
out print "<pre>"
out print escape(text)
out println "</pre>"
case lst:BulletList =>
out println "<ul>"
for (item <- lst.items) {
out print "<li>"
emitText(item)
out println "</li>"
}
out println "</ul>"
case lst:NumberedList =>
out println "<ol>"
for (item <- lst.items) {
out print "<li>"
emitText(item)
}
out println "</ol>"
case TitledPara(title, text) =>
out.println("<p><strong>" + escape(title) + "</strong></p>")
emitText(text)
case EmbeddedSection(sect) =>
emitSection(sect, depth + 1)
case _ =>
sys.error("unknown paragraph node: " + para)
}
}
val name = section.title.replaceAll("\\p{Space}", "_").toLowerCase()
out.println("\n<h" + depth + " id=\"" + name + "\">" +
section.title +
"</h" + depth + ">")
section.paragraphs foreach emitParagraph
}
private def emit3columns(col1: String, col2: String, col3: String) {
out println "<div style=\"float:left;\">"
out println col1
out println "</div>"
out println "<div style=\"float:right;\">"
out println col3
out println "</div>"
out println "<div style=\"text-align:center;\">"
out println col2
out println "</div>"
}
private def emitHeader(col1: String, col2: String, col3: String) {
out println "<!-- header -->"
out println "<div style=\"margin: 0 0 2em 0;\">"
emit3columns(col1, col2, col3)
out println "</div>"
}
private def emitFooter(col1: String, col2: String, col3: String) {
out println "<!-- footer -->"
out println "<div style=\"margin: 2em 0 0 0;\">"
emit3columns(col1, col2, col3)
out println "</div>"
}
def emitDocument(document: Document) {
out.println("<?xml version=\"1.1\" encoding=\"" + document.encoding + "\"?>")
out.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">")
out.println("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n")
out println "<head>"
out.println("<title>" + document.title + " man page</title>")
out.println("<meta http-equiv=\"Content-Language\" content=\"en\"/>")
out.println("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=" +
document.encoding + "\"/>")
out.println("<meta name=\"Author\" content=\"" + document.author + "\"/>")
out println "<style type=\"text/css\">"
out println " <!--"
out println " blockquote, pre { margin:1em 4em 1em 4em; }"
out println " dt { margin: 0.6em 0 0 0; }"
out println " p { margin:0.6em 2em 0.6em 2em; text-align:justify; }"
out println " //-->"
out println "</style>"
out println "</head>\n"
out println "<body>"
val name = document.title + "(" + document.category.id + ")"
emitHeader(name, "" + document.category, name)
document.sections foreach (s => emitSection(s, 3))
emitFooter("version " + document.version, document.date, name)
out println "</body>"
out println "</html>"
}
def main(args: Array[String]) = args match{
case Array(classname) => emitHtml(classname)
case Array(classname, file, _*) => emitHtml(classname, new java.io.FileOutputStream(file))
case _ => sys.exit(1)
}
def emitHtml(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)
}
}
}
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