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/* NSC -- new Scala compiler
* Copyright 2007-2011 LAMP/EPFL
* @author David Bernard, Manohar Jonnalagedda
*/
package scala.tools.nsc
package doc
package html
import model._
import comment._
import xml.{XML, NodeSeq}
import xml.dtd.{DocType, PublicID}
import scala.collection._
import scala.reflect.NameTransformer
import java.nio.channels.Channels
/** An html page that is part of a Scaladoc site.
* @author David Bernard
* @author Gilles Dubochet */
abstract class HtmlPage extends Page { thisPage =>
/** The title of this page. */
protected def title: String
/** Additional header elements (links, scripts, meta tags, etc.) required for this page. */
protected def headers: NodeSeq
/** The body of this page. */
def body: NodeSeq
def writeFor(site: HtmlFactory) {
val doctype =
DocType("html", PublicID("-//W3C//DTD XHTML 1.1//EN", "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"), Nil)
val html =
<html>
<head>
<title>{ title }</title>
<meta http-equiv="content-type" content={ "text/html; charset=" + site.encoding }/>
{ headers }
</head>
{ body }
</html>
val fos = createFileOutputStream(site)
val w = Channels.newWriter(fos.getChannel, site.encoding)
try {
w.write("<?xml version='1.0' encoding='" + site.encoding + "'?>\n")
w.write(doctype.toString + "\n")
w.write(xml.Xhtml.toXhtml(html))
}
finally {
w.close()
fos.close()
}
//XML.save(pageFile.getPath, html, site.encoding, xmlDecl = false, doctype = doctype)
}
/** Transforms an optional comment into an styled HTML tree representing its body if it is defined, or into an empty
* node sequence if it is not. */
def commentToHtml(comment: Option[Comment]): NodeSeq =
(comment map (commentToHtml(_))) getOrElse NodeSeq.Empty
/** Transforms a comment into an styled HTML tree representing its body. */
def commentToHtml(comment: Comment): NodeSeq =
bodyToHtml(comment.body)
def bodyToHtml(body: Body): NodeSeq =
body.blocks flatMap (blockToHtml(_))
def blockToHtml(block: Block): NodeSeq = block match {
case Title(in, 1) => <h3>{ inlineToHtml(in) }</h3>
case Title(in, 2) => <h4>{ inlineToHtml(in) }</h4>
case Title(in, 3) => <h5>{ inlineToHtml(in) }</h5>
case Title(in, _) => <h6>{ inlineToHtml(in) }</h6>
case Paragraph(in) => <p>{ inlineToHtml(in) }</p>
case Code(data) =>
<pre>{ SyntaxHigh(data) }</pre> //<pre>{ xml.Text(data) }</pre>
case UnorderedList(items) =>
<ul>{ listItemsToHtml(items) }</ul>
case OrderedList(items, listStyle) =>
<ol class={ listStyle }>{ listItemsToHtml(items) }</ol>
case DefinitionList(items) =>
<dl>{items map { case (t, d) => <dt>{ inlineToHtml(t) }</dt><dd>{ blockToHtml(d) }</dd> } }</dl>
case HorizontalRule() =>
<hr/>
}
def listItemsToHtml(items: Seq[Block]) =
items.foldLeft(xml.NodeSeq.Empty){ (xmlList, item) =>
item match {
case OrderedList(_, _) | UnorderedList(_) => // html requires sub ULs to be put into the last LI
xmlList.init ++ <li>{ xmlList.last.child ++ blockToHtml(item) }</li>
case Paragraph(inline) =>
xmlList :+ <li>{ inlineToHtml(inline) }</li> // LIs are blocks, no need to use Ps
case block =>
xmlList :+ <li>{ blockToHtml(block) }</li>
}
}
def inlineToHtml(inl: Inline): NodeSeq = inl match {
case Chain(items) => items flatMap (inlineToHtml(_))
case Italic(in) => <i>{ inlineToHtml(in) }</i>
case Bold(in) => <b>{ inlineToHtml(in) }</b>
case Underline(in) => <u>{ inlineToHtml(in) }</u>
case Superscript(in) => <sup>{ inlineToHtml(in) }</sup>
case Subscript(in) => <sub>{ inlineToHtml(in) }</sub>
case Link(raw, title) => <a href={ raw }>{ inlineToHtml(title) }</a>
case EntityLink(entity) => templateToHtml(entity)
case Monospace(in) => <code>{ inlineToHtml(in) }</code>
case Text(text) => xml.Text(text)
case Summary(in) => inlineToHtml(in)
case HtmlTag(tag) => xml.Unparsed(tag)
}
def typeToHtml(tpe: model.TypeEntity, hasLinks: Boolean): NodeSeq = {
val string = tpe.name
def toLinksOut(inPos: Int, starts: List[Int]): NodeSeq = {
if (starts.isEmpty && (inPos == string.length))
NodeSeq.Empty
else if (starts.isEmpty)
xml.Text(string.slice(inPos, string.length))
else if (inPos == starts.head)
toLinksIn(inPos, starts)
else {
xml.Text(string.slice(inPos, starts.head)) ++ toLinksIn(starts.head, starts)
}
}
def toLinksIn(inPos: Int, starts: List[Int]): NodeSeq = {
val (tpl, width) = tpe.refEntity(inPos)
(tpl match {
case dtpl:DocTemplateEntity if hasLinks =>
<a href={ relativeLinkTo(dtpl) } class="extype" name={ dtpl.qualifiedName }>{
string.slice(inPos, inPos + width)
}</a>
case tpl =>
<span class="extype" name={ tpl.qualifiedName }>{ string.slice(inPos, inPos + width) }</span>
}) ++ toLinksOut(inPos + width, starts.tail)
}
if (hasLinks)
toLinksOut(0, tpe.refEntity.keySet.toList)
else
xml.Text(string)
}
def typesToHtml(tpess: List[model.TypeEntity], hasLinks: Boolean, sep: NodeSeq): NodeSeq = tpess match {
case Nil => NodeSeq.Empty
case tpe :: Nil => typeToHtml(tpe, hasLinks)
case tpe :: tpes => typeToHtml(tpe, hasLinks) ++ sep ++ typesToHtml(tpes, hasLinks, sep)
}
def hasPage(e: DocTemplateEntity) = {
e.isPackage || e.isTrait || e.isClass || e.isObject || e.isCaseClass
}
/** Returns the HTML code that represents the template in `tpl` as a hyperlinked name. */
def templateToHtml(tpl: TemplateEntity) = tpl match {
case dTpl: DocTemplateEntity =>
if (hasPage(dTpl)) {
<a href={ relativeLinkTo(dTpl) } class="extype" name={ dTpl.qualifiedName }>{ dTpl.name }</a>
} else {
xml.Text(dTpl.name)
}
case ndTpl: NoDocTemplate =>
xml.Text(ndTpl.name)
}
/** Returns the HTML code that represents the templates in `tpls` as a list of hyperlinked names. */
def templatesToHtml(tplss: List[TemplateEntity], sep: NodeSeq): NodeSeq = tplss match {
case Nil => NodeSeq.Empty
case tpl :: Nil => templateToHtml(tpl)
case tpl :: tpls => templateToHtml(tpl) ++ sep ++ templatesToHtml(tpls, sep)
}
/** Returns the _big image name corresponding to the DocTemplate Entity (upper left icon) */
def docEntityKindToBigImage(ety: DocTemplateEntity) =
if (ety.isTrait && !ety.companion.isEmpty && ety.companion.get.visibility.isPublic && ety.companion.get.inSource != None) "trait_to_object_big.png"
else if (ety.isTrait) "trait_big.png"
else if (ety.isClass && !ety.companion.isEmpty && ety.companion.get.visibility.isPublic && ety.companion.get.inSource != None) "class_to_object_big.png"
else if (ety.isClass) "class_big.png"
else if (ety.isObject && !ety.companion.isEmpty && ety.companion.get.visibility.isPublic && ety.companion.get.inSource != None && ety.companion.get.isClass) "object_to_class_big.png"
else if (ety.isObject && !ety.companion.isEmpty && ety.companion.get.visibility.isPublic && ety.companion.get.inSource != None && ety.companion.get.isTrait) "object_to_trait_big.png"
else if (ety.isObject) "object_big.png"
else if (ety.isPackage) "package_big.png"
else "class_big.png" // FIXME: an entity *should* fall into one of the above categories, but AnyRef is somehow not
}
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