Scala example source code file (Template.scala)
The Template.scala Scala example source code/* NSC -- new Scala compiler
* Copyright 2007-2013 LAMP/EPFL
* @author David Bernard, Manohar Jonnalagedda
*/
package scala
package tools
package nsc
package doc
package html
package page
import base._
import base.comment._
import model._
import model.diagram._
import scala.xml.{Elem, NodeSeq, Text, UnprefixedAttribute}
import scala.language.postfixOps
import scala.collection.mutable. { Set, HashSet }
import model._
import model.diagram._
import diagram._
class Template(universe: doc.Universe, generator: DiagramGenerator, tpl: DocTemplateEntity) extends HtmlPage {
val path =
templateToPath(tpl)
def title = {
val s = universe.settings
tpl.name +
( if (!s.doctitle.isDefault) " - " + s.doctitle.value else "" ) +
( if (!s.docversion.isDefault) (" " + s.docversion.value) else "" ) +
" - " + tpl.qualifiedName
}
val headers =
<xml:group>
<link href={ relativeLinkTo{List("template.css", "lib")} } media="screen" type="text/css" rel="stylesheet"/>
<link href={ relativeLinkTo{List("diagrams.css", "lib")} } media="screen" type="text/css" rel="stylesheet" id="diagrams-css" />
<script type="text/javascript" src={ relativeLinkTo{List("jquery.js", "lib")} } id="jquery-js"></script>
<script type="text/javascript" src={ relativeLinkTo{List("jquery-ui.js", "lib")} }></script>
<script type="text/javascript" src={ relativeLinkTo{List("template.js", "lib")} }></script>
<script type="text/javascript" src={ relativeLinkTo{List("tools.tooltip.js", "lib")} }></script>
{ if (universe.settings.docDiagrams.value) {
<script type="text/javascript" src={ relativeLinkTo{List("modernizr.custom.js", "lib")} }></script>
<script type="text/javascript" src={ relativeLinkTo{List("diagrams.js", "lib")} } id="diagrams-js"></script>
} else NodeSeq.Empty }
<script type="text/javascript">
if(top === self) {{
var url = '{ val p = templateToPath(tpl); "../" * (p.size - 1) + "index.html" }';
var hash = '{ val p = templateToPath(tpl); (p.tail.reverse ::: List(p.head.replace(".html", ""))).mkString(".") }';
var anchor = window.location.hash;
var anchor_opt = '';
if (anchor.length { scala.xml.Unparsed(">=") /* unless we use Unparsed, it gets escaped and crashes the script */ } 1)
anchor_opt = '@' + anchor.substring(1);
window.location.href = url + '#' + hash + anchor_opt;
}}
</script>
</xml:group>
val valueMembers =
tpl.methods ++ tpl.values ++ tpl.templates.filter(x => x.isObject || x.isPackage) sorted
val (absValueMembers, nonAbsValueMembers) =
valueMembers partition (_.isAbstract)
val (deprValueMembers, nonDeprValueMembers) =
nonAbsValueMembers partition (_.deprecation.isDefined)
val (concValueMembers, shadowedImplicitMembers) =
nonDeprValueMembers partition (!_.isShadowedOrAmbiguousImplicit)
val typeMembers =
tpl.abstractTypes ++ tpl.aliasTypes ++ tpl.templates.filter(x => x.isTrait || x.isClass) sorted (implicitly[Ordering[MemberEntity]])
val constructors = (tpl match {
case cls: Class => (cls.constructors: List[MemberEntity]).sorted
case _ => Nil
})
/* for body, there is a special case for AnyRef, otherwise AnyRef appears
* like a package/object this problem should be fixed, this implementation
* is just a patch. */
val body = {
val templateName = if (tpl.isRootPackage) "root package" else tpl.name
val displayName = tpl.companion match {
case Some(companion) if (companion.visibility.isPublic && companion.inSource != None) =>
<a href={relativeLinkTo(companion)} title="Go to companion">{ templateName }</a>
case _ =>
templateName
}
val owner = {
if (tpl.isRootPackage || tpl.inTemplate.isRootPackage)
NodeSeq.Empty
else
<p id="owner">{ templatesToHtml(tpl.inTemplate.toRoot.reverse.tail, scala.xml.Text(".")) }</p>
}
<body class={ if (tpl.isType) "type" else "value" }>
<div id="definition">
{
tpl.companion match {
case Some(companion) if (companion.visibility.isPublic && companion.inSource != None) =>
<a href={relativeLinkTo(companion)} title="Go to companion"><img src={ relativeLinkTo(List(docEntityKindToBigImage(tpl), "lib")) }/></a>
case _ =>
<img src={ relativeLinkTo(List(docEntityKindToBigImage(tpl), "lib")) }/>
}}
{ owner }
<h1>{ displayName }</h1> { permalink(tpl) }
</div>
{ signature(tpl, isSelf = true) }
{ memberToCommentHtml(tpl, tpl.inTemplate, isSelf = true) }
<div id="mbrsel">
<div id='textfilter'><span class='pre'/><span class='input'><input id='mbrsel-input' type='text' accesskey='/'/></span><span class='post'/></div>
{ if (tpl.linearizationTemplates.isEmpty && tpl.conversions.isEmpty && (!universe.settings.docGroups.value || (tpl.members.map(_.group).distinct.length == 1)))
NodeSeq.Empty
else
<div id="order">
<span class="filtertype">Ordering</span>
<ol>
{
if (!universe.settings.docGroups.value || (tpl.members.map(_.group).distinct.length == 1))
NodeSeq.Empty
else
<li class="group out"><span>Grouped</span></li>
}
<li class="alpha in"><span>Alphabetic</span></li>
{
if (tpl.linearizationTemplates.isEmpty && tpl.conversions.isEmpty)
NodeSeq.Empty
else
<li class="inherit out"><span>By inheritance</span></li>
}
</ol>
</div>
}
{ if (tpl.linearizationTemplates.isEmpty && tpl.conversions.isEmpty) NodeSeq.Empty else
{
if (!tpl.linearizationTemplates.isEmpty)
<div id="ancestors">
<span class="filtertype">Inherited<br/>
</span>
<ol id="linearization">
{ (tpl :: tpl.linearizationTemplates).map(wte => <li class="in" name={ wte.qualifiedName }><span>{ wte.name }</span></li>) }
</ol>
</div>
else NodeSeq.Empty
} ++ {
if (!tpl.conversions.isEmpty)
<div id="ancestors">
<span class="filtertype">Implicitly<br/>
</span>
<ol id="implicits"> {
tpl.conversions.map { conv =>
val name = conv.conversionQualifiedName
val hide = universe.settings.hiddenImplicits(name)
<li class="in" name={ name } data-hidden={ hide.toString }><span>{ "by " + conv.conversionShortName }</span></li>
}
}
</ol>
</div>
else NodeSeq.Empty
} ++
<div id="ancestors">
<span class="filtertype"></span>
<ol>
<li class="hideall out"><span>Hide All</span></li>
<li class="showall in"><span>Show all</span></li>
</ol>
<a href="http://docs.scala-lang.org/overviews/scaladoc/usage.html#members" target="_blank">Learn more about member selection</a>
</div>
}
{
<div id="visbl">
<span class="filtertype">Visibility</span>
<ol><li class="public in"><span>Public</span></li><li class="all out"><span>All</span></li></ol>
</div>
}
</div>
<div id="template">
<div id="allMembers">
{ if (constructors.isEmpty) NodeSeq.Empty else
<div id="constructors" class="members">
<h3>Instance Constructors</h3>
<ol>{ constructors map (memberToHtml(_, tpl)) }</ol>
</div>
}
{ if (typeMembers.isEmpty) NodeSeq.Empty else
<div id="types" class="types members">
<h3>Type Members</h3>
<ol>{ typeMembers map (memberToHtml(_, tpl)) }</ol>
</div>
}
{ if (absValueMembers.isEmpty) NodeSeq.Empty else
<div id="values" class="values members">
<h3>Abstract Value Members</h3>
<ol>{ absValueMembers map (memberToHtml(_, tpl)) }</ol>
</div>
}
{ if (concValueMembers.isEmpty) NodeSeq.Empty else
<div id="values" class="values members">
<h3>{ if (absValueMembers.isEmpty) "Value Members" else "Concrete Value Members" }</h3>
<ol>{ concValueMembers map (memberToHtml(_, tpl)) }</ol>
</div>
}
{ if (shadowedImplicitMembers.isEmpty) NodeSeq.Empty else
<div id="values" class="values members">
<h3>Shadowed Implicit Value Members</h3>
<ol>{ shadowedImplicitMembers map (memberToHtml(_, tpl)) }</ol>
</div>
}
{ if (deprValueMembers.isEmpty) NodeSeq.Empty else
<div id="values" class="values members">
<h3>Deprecated Value Members</h3>
<ol>{ deprValueMembers map (memberToHtml(_, tpl)) }</ol>
</div>
}
</div>
<div id="inheritedMembers">
{
// linearization
NodeSeq fromSeq (for ((superTpl, superType) <- (tpl.linearizationTemplates zip tpl.linearizationTypes)) yield
<div class="parent" name={ superTpl.qualifiedName }>
<h3>Inherited from {
typeToHtmlWithStupidTypes(tpl, superTpl, superType)
}</h3>
</div>
)
}
{
// implicitly inherited
NodeSeq fromSeq (for (conversion <- (tpl.conversions)) yield
<div class="conversion" name={ conversion.conversionQualifiedName }>
<h3>Inherited by implicit conversion { conversion.conversionShortName } from
{ typeToHtml(tpl.resultType, hasLinks = true) } to { typeToHtml(conversion.targetType, hasLinks = true) }
</h3>
</div>
)
}
</div>
<div id="groupedMembers">
{
val allGroups = tpl.members.map(_.group).distinct
val orderedGroups = allGroups.map(group => (tpl.groupPriority(group), group)).sorted.map(_._2)
// linearization
NodeSeq fromSeq (for (group <- orderedGroups) yield
<div class="group" name={ group }>
<h3>{ tpl.groupName(group) }</h3>
{
tpl.groupDescription(group) match {
case Some(body) => <div class="comment cmt">{ bodyToHtml(body) }</div>
case _ => NodeSeq.Empty
}
}
</div>
)
}
</div>
</div>
<div id="tooltip" ></div>
{
if (Set("epfl", "EPFL").contains(tpl.universe.settings.docfooter.value))
<div id="footer">Scala programming documentation. Copyright (c) 2003-2013 <a href="http://www.epfl.ch" target="_top">EPFL</a>, with contributions from <a href="http://typesafe.com" target="_top">Typesafe</a>.</div>
else
<div id="footer"> { tpl.universe.settings.docfooter.value } </div>
}
</body>
}
def memberToHtml(mbr: MemberEntity, inTpl: DocTemplateEntity): NodeSeq = {
val memberComment = memberToCommentHtml(mbr, inTpl, isSelf = false)
<li name={ mbr.definitionName } visbl={ if (mbr.visibility.isProtected) "prt" else "pub" }
data-isabs={ mbr.isAbstract.toString }
fullComment={ if(memberComment.filter(_.label=="div").isEmpty) "no" else "yes" }
group={ mbr.group }>
<a id={ mbr.signature }/>
<a id={ mbr.signatureCompat }/>
{ signature(mbr, isSelf = false) }
{ memberComment }
</li>
}
def memberToCommentHtml(mbr: MemberEntity, inTpl: DocTemplateEntity, isSelf: Boolean): NodeSeq = {
mbr match {
case dte: DocTemplateEntity if isSelf =>
// comment of class itself
<xml:group>
<div id="comment" class="fullcommenttop">{ memberToCommentBodyHtml(mbr, inTpl, isSelf = true) }</div>
</xml:group>
case _ =>
// comment of non-class member or non-documentented inner class
val commentBody = memberToCommentBodyHtml(mbr, inTpl, isSelf = false)
if (commentBody.isEmpty)
NodeSeq.Empty
else {
val shortComment = memberToShortCommentHtml(mbr, isSelf)
val longComment = memberToUseCaseCommentHtml(mbr, isSelf) ++ memberToCommentBodyHtml(mbr, inTpl, isSelf)
val includedLongComment = if (shortComment.text.trim == longComment.text.trim)
NodeSeq.Empty
else
<div class="fullcomment">{ longComment }</div>
shortComment ++ includedLongComment
}
}
}
def memberToUseCaseCommentHtml(mbr: MemberEntity, isSelf: Boolean): NodeSeq = {
mbr match {
case nte: NonTemplateMemberEntity if nte.isUseCase =>
inlineToHtml(comment.Text("[use case] "))
case _ => NodeSeq.Empty
}
}
def memberToShortCommentHtml(mbr: MemberEntity, isSelf: Boolean): NodeSeq =
mbr.comment.fold(NodeSeq.Empty) { comment =>
<p class="shortcomment cmt">{ memberToUseCaseCommentHtml(mbr, isSelf) }{ inlineToHtml(comment.short) }</p>
}
def memberToInlineCommentHtml(mbr: MemberEntity, isSelf: Boolean): NodeSeq =
<p class="comment cmt">{ inlineToHtml(mbr.comment.get.short) }</p>
def memberToCommentBodyHtml(mbr: MemberEntity, inTpl: DocTemplateEntity, isSelf: Boolean, isReduced: Boolean = false): NodeSeq = {
val s = universe.settings
val memberComment =
if (mbr.comment.isEmpty) NodeSeq.Empty
else <div class="comment cmt">{ commentToHtml(mbr.comment) }</div>
val authorComment =
if (! s.docAuthor || mbr.comment.isEmpty ||
mbr.comment.isDefined && mbr.comment.get.authors.isEmpty) NodeSeq.Empty
else <div class="comment cmt">
{if (mbr.comment.get.authors.size > 1) <h6>Authors:</h6> else <h6>Author:</h6>}
{ mbr.comment.get.authors map bodyToHtml}
</div>
val paramComments = {
val prs: List[ParameterEntity] = mbr match {
case cls: Class => cls.typeParams ::: cls.valueParams.flatten
case trt: Trait => trt.typeParams
case dfe: Def => dfe.typeParams ::: dfe.valueParams.flatten
case ctr: Constructor => ctr.valueParams.flatten
case _ => Nil
}
def paramCommentToHtml(prs: List[ParameterEntity], comment: Comment): NodeSeq = prs match {
case (tp: TypeParam) :: rest =>
val paramEntry: NodeSeq = {
<dt class="tparam">{ tp.name }</dt><dd class="cmt">{ bodyToHtml(comment.typeParams(tp.name)) }</dd>
}
paramEntry ++ paramCommentToHtml(rest, comment)
case (vp: ValueParam) :: rest =>
val paramEntry: NodeSeq = {
<dt class="param">{ vp.name }</dt><dd class="cmt">{ bodyToHtml(comment.valueParams(vp.name)) }</dd>
}
paramEntry ++ paramCommentToHtml(rest, comment)
case _ =>
NodeSeq.Empty
}
mbr.comment.fold(NodeSeq.Empty) { comment =>
val cmtedPrs = prs filter {
case tp: TypeParam => comment.typeParams isDefinedAt tp.name
case vp: ValueParam => comment.valueParams isDefinedAt vp.name
}
if (cmtedPrs.isEmpty && comment.result.isEmpty) NodeSeq.Empty
else {
<dl class="paramcmts block">{
paramCommentToHtml(cmtedPrs, comment) ++ (
comment.result match {
case None => NodeSeq.Empty
case Some(cmt) =>
<dt>returns</dt><dd class="cmt">{ bodyToHtml(cmt) }</dd>
})
}</dl>
}
}
}
val implicitInformation = mbr.byConversion match {
case Some(conv) =>
<dt class="implicit">Implicit information</dt> ++
{
val targetType = typeToHtml(conv.targetType, hasLinks = true)
val conversionMethod = conv.convertorMethod match {
case Left(member) => Text(member.name)
case Right(name) => Text(name)
}
// strip off the package object endings, they make things harder to follow
val conversionOwnerQualifiedNane = conv.convertorOwner.qualifiedName.stripSuffix(".package")
val conversionOwner = templateToHtml(conv.convertorOwner, conversionOwnerQualifiedNane)
val constraintText = conv.constraints match {
case Nil =>
NodeSeq.Empty
case List(constraint) =>
scala.xml.Text("This conversion will take place only if ") ++ constraintToHtml(constraint) ++ scala.xml.Text(".")
case List(constraint1, constraint2) =>
scala.xml.Text("This conversion will take place only if ") ++ constraintToHtml(constraint1) ++
scala.xml.Text(" and at the same time ") ++ constraintToHtml(constraint2) ++ scala.xml.Text(".")
case constraints =>
<br/> ++ "This conversion will take place only if all of the following constraints are met:" ++ <br/> ++ {
var index = 0
constraints map { constraint => scala.xml.Text({ index += 1; index } + ". ") ++ constraintToHtml(constraint) ++ <br/> }
}
}
<dd>
This member is added by an implicit conversion from { typeToHtml(inTpl.resultType, hasLinks = true) } to
{ targetType } performed by method { conversionMethod } in { conversionOwner }.
{ constraintText }
</dd>
} ++ {
if (mbr.isShadowedOrAmbiguousImplicit) {
// These are the members that are shadowing or ambiguating the current implicit
// see ImplicitMemberShadowing trait for more information
val shadowingSuggestion = {
val params = mbr match {
case d: Def => d.valueParams map (_ map (_ name) mkString("(", ", ", ")")) mkString
case _ => "" // no parameters
}
<br/> ++ scala.xml.Text("To access this member you can use a ") ++
<a href="http://stackoverflow.com/questions/2087250/what-is-the-purpose-of-type-ascription-in-scala"
target="_blank">type ascription</a> ++ scala.xml.Text(":") ++
<br/> ++ <div class="cmt"><pre>{"(" + Template.lowerFirstLetter(tpl.name) + ": " + conv.targetType.name + ")." + mbr.name + params }</pre></div>
}
val shadowingWarning: NodeSeq =
if (mbr.isShadowedImplicit)
scala.xml.Text("This implicitly inherited member is shadowed by one or more members in this " +
"class.") ++ shadowingSuggestion
else if (mbr.isAmbiguousImplicit)
scala.xml.Text("This implicitly inherited member is ambiguous. One or more implicitly " +
"inherited members have similar signatures, so calling this member may produce an ambiguous " +
"implicit conversion compiler error.") ++ shadowingSuggestion
else NodeSeq.Empty
<dt class="implicit">Shadowing</dt> ++
<dd>{ shadowingWarning }</dd>
} else NodeSeq.Empty
}
case _ =>
NodeSeq.Empty
}
// --- start attributes block vals
val attributes: NodeSeq = {
val fvs: List[comment.Paragraph] = visibility(mbr).toList
if (fvs.isEmpty || isReduced) NodeSeq.Empty
else {
<dt>Attributes</dt>
<dd>{ fvs map { fv => { inlineToHtml(fv.text) ++ scala.xml.Text(" ") } } }</dd>
}
}
val definitionClasses: NodeSeq = {
val inDefTpls = mbr.inDefinitionTemplates
if ((inDefTpls.tail.isEmpty && (inDefTpls.head == inTpl)) || isReduced) NodeSeq.Empty
else {
<dt>Definition Classes</dt>
<dd>{ templatesToHtml(inDefTpls, scala.xml.Text(" → ")) }</dd>
}
}
val fullSignature: NodeSeq = {
mbr match {
case nte: NonTemplateMemberEntity if nte.isUseCase =>
<div class="full-signature-block toggleContainer">
<span class="toggle">Full Signature</span>
<div class="hiddenContent full-signature-usecase">{ signature(nte.useCaseOf.get,isSelf = true) }</div>
</div>
case _ => NodeSeq.Empty
}
}
val selfType: NodeSeq = mbr match {
case dtpl: DocTemplateEntity if (isSelf && !dtpl.selfType.isEmpty && !isReduced) =>
<dt>Self Type</dt>
<dd>{ typeToHtml(dtpl.selfType.get, hasLinks = true) }</dd>
case _ => NodeSeq.Empty
}
val annotations: NodeSeq = {
// A list of annotations which don't show their arguments, e. g. because they are shown separately.
val annotationsWithHiddenArguments = List("deprecated", "Deprecated", "migration")
def showArguments(annotation: Annotation) =
!(annotationsWithHiddenArguments.contains(annotation.qualifiedName))
if (!mbr.annotations.isEmpty) {
<dt>Annotations</dt>
<dd>{
mbr.annotations.map { annot =>
<xml:group>
<span class="name">@{ templateToHtml(annot.annotationClass) }</span>{
if (showArguments(annot)) argumentsToHtml(annot.arguments) else NodeSeq.Empty
}
</xml:group>
}
}
</dd>
} else NodeSeq.Empty
}
val sourceLink: NodeSeq = mbr match {
case dtpl: DocTemplateEntity if (isSelf && dtpl.sourceUrl.isDefined && dtpl.inSource.isDefined && !isReduced) =>
val (absFile, _) = dtpl.inSource.get
<dt>Source</dt>
<dd>{ <a href={ dtpl.sourceUrl.get.toString } target="_blank">{ Text(absFile.file.getName) }</a> }</dd>
case _ => NodeSeq.Empty
}
val deprecation: NodeSeq =
mbr.deprecation match {
case Some(deprecation) if !isReduced =>
<dt>Deprecated</dt>
<dd class="cmt">{ bodyToHtml(deprecation) }</dd>
case _ => NodeSeq.Empty
}
val migration: NodeSeq =
mbr.migration match {
case Some(migration) if !isReduced =>
<dt>Migration</dt>
<dd class="cmt">{ bodyToHtml(migration) }</dd>
case _ => NodeSeq.Empty
}
val mainComment: NodeSeq = mbr.comment match {
case Some(comment) if (! isReduced) =>
def orEmpty[T](it: Iterable[T])(gen: =>NodeSeq): NodeSeq =
if (it.isEmpty) NodeSeq.Empty else gen
val example =
orEmpty(comment.example) {
<div class="block">Example{ if (comment.example.length > 1) "s" else ""}:
<ol>{
val exampleXml: List[NodeSeq] = for (ex <- comment.example) yield
<li class="cmt">{ bodyToHtml(ex) }</li>
exampleXml.reduceLeft(_ ++ Text(", ") ++ _)
}</ol>
</div>
}
val version: NodeSeq =
orEmpty(comment.version) {
<dt>Version</dt>
<dd>{ for(body <- comment.version.toList) yield bodyToHtml(body) }</dd>
}
val sinceVersion: NodeSeq =
orEmpty(comment.since) {
<dt>Since</dt>
<dd>{ for(body <- comment.since.toList) yield bodyToHtml(body) }</dd>
}
val note: NodeSeq =
orEmpty(comment.note) {
<dt>Note</dt>
<dd>{
val noteXml: List[NodeSeq] = for(note <- comment.note ) yield <span class="cmt">{bodyToHtml(note)}</span>
noteXml.reduceLeft(_ ++ Text(", ") ++ _)
}</dd>
}
val seeAlso: NodeSeq =
orEmpty(comment.see) {
<dt>See also</dt>
<dd>{
val seeXml: List[NodeSeq] = for(see <- comment.see ) yield <span class="cmt">{bodyToHtml(see)}</span>
seeXml.reduceLeft(_ ++ _)
}</dd>
}
val exceptions: NodeSeq =
orEmpty(comment.throws) {
<dt>Exceptions thrown</dt>
<dd>{
val exceptionsXml: List[NodeSeq] =
for((name, body) <- comment.throws.toList.sortBy(_._1) ) yield
<span class="cmt">{Text(name) ++ bodyToHtml(body)}</span>
exceptionsXml.reduceLeft(_ ++ Text("") ++ _)
}</dd>
}
val todo: NodeSeq =
orEmpty(comment.todo) {
<dt>To do</dt>
<dd>{
val todoXml: List[NodeSeq] = (for(todo <- comment.todo ) yield <span class="cmt">{bodyToHtml(todo)}</span> )
todoXml.reduceLeft(_ ++ Text(", ") ++ _)
}</dd>
}
example ++ version ++ sinceVersion ++ exceptions ++ todo ++ note ++ seeAlso
case _ => NodeSeq.Empty
}
// end attributes block vals ---
val attributesInfo = implicitInformation ++ attributes ++ definitionClasses ++ fullSignature ++ selfType ++ annotations ++ deprecation ++ migration ++ sourceLink ++ mainComment
val attributesBlock =
if (attributesInfo.isEmpty)
NodeSeq.Empty
else
<dl class="attributes block"> { attributesInfo }</dl>
val linearization = mbr match {
case dtpl: DocTemplateEntity if isSelf && !isReduced && dtpl.linearizationTemplates.nonEmpty =>
<div class="toggleContainer block">
<span class="toggle">Linear Supertypes</span>
<div class="superTypes hiddenContent">{
typesToHtml(dtpl.linearizationTypes, hasLinks = true, sep = scala.xml.Text(", "))
}</div>
</div>
case _ => NodeSeq.Empty
}
val subclasses = mbr match {
case dtpl: DocTemplateEntity if isSelf && !isReduced =>
val subs: Set[DocTemplateEntity] = HashSet.empty
def transitive(dtpl: DocTemplateEntity) {
for (sub <- dtpl.directSubClasses if !(subs contains sub)) {
subs add sub
transitive(sub)
}
}
transitive(dtpl)
if (subs.nonEmpty)
<div class="toggleContainer block">
<span class="toggle">Known Subclasses</span>
<div class="subClasses hiddenContent">{
templatesToHtml(subs.toList.sortBy(_.name), scala.xml.Text(", "))
}</div>
</div>
else NodeSeq.Empty
case _ => NodeSeq.Empty
}
def createDiagram(f: DocTemplateEntity => Option[Diagram], description: String, id: String): NodeSeq =
if (s.docDiagrams.value) mbr match {
case dtpl: DocTemplateEntity if isSelf && !isReduced =>
val diagram = f(dtpl)
if (diagram.isDefined) {
val diagramSvg = generator.generate(diagram.get, tpl, this)
if (diagramSvg != NodeSeq.Empty) {
<div class="toggleContainer block diagram-container" id={ id + "-container"}>
<span class="toggle diagram-link">{ description }</span>
<a href="http://docs.scala-lang.org/overviews/scaladoc/usage.html#diagrams" target="_blank" class="diagram-help">Learn more about scaladoc diagrams</a>
<div class="diagram" id={ id }>{
diagramSvg
}</div>
</div>
} else NodeSeq.Empty
} else NodeSeq.Empty
case _ => NodeSeq.Empty
} else NodeSeq.Empty // diagrams not generated
val typeHierarchy = createDiagram(_.inheritanceDiagram, "Type Hierarchy", "inheritance-diagram")
val contentHierarchy = createDiagram(_.contentDiagram, "Content Hierarchy", "content-diagram")
memberComment ++ authorComment ++ paramComments ++ attributesBlock ++ linearization ++ subclasses ++ typeHierarchy ++ contentHierarchy
}
def boundsToHtml(hi: Option[TypeEntity], lo: Option[TypeEntity], hasLinks: Boolean): NodeSeq = {
def bound0(bnd: Option[TypeEntity], pre: String): NodeSeq = bnd match {
case None => NodeSeq.Empty
case Some(tpe) => scala.xml.Text(pre) ++ typeToHtml(tpe, hasLinks)
}
bound0(lo, " >: ") ++ bound0(hi, " <: ")
}
def visibility(mbr: MemberEntity): Option[comment.Paragraph] = {
import comment._
import comment.{ Text => CText }
mbr.visibility match {
case PrivateInInstance() =>
Some(Paragraph(CText("private[this]")))
case PrivateInTemplate(owner) if (owner == mbr.inTemplate) =>
Some(Paragraph(CText("private")))
case PrivateInTemplate(owner) =>
Some(Paragraph(Chain(List(CText("private["), EntityLink(comment.Text(owner.qualifiedName), LinkToTpl(owner)), CText("]")))))
case ProtectedInInstance() =>
Some(Paragraph(CText("protected[this]")))
case ProtectedInTemplate(owner) if (owner == mbr.inTemplate) =>
Some(Paragraph(CText("protected")))
case ProtectedInTemplate(owner) =>
Some(Paragraph(Chain(List(CText("protected["), EntityLink(comment.Text(owner.qualifiedName), LinkToTpl(owner)), CText("]")))))
case Public() =>
None
}
}
/** name, tparams, params, result */
def signature(mbr: MemberEntity, isSelf: Boolean, isReduced: Boolean = false): NodeSeq = {
def inside(hasLinks: Boolean, nameLink: String = ""): NodeSeq =
<xml:group>
<span class="modifier_kind">
<span class="modifier">{ mbr.flags.map(flag => inlineToHtml(flag.text) ++ scala.xml.Text(" ")) }</span>
<span class="kind">{ kindToString(mbr) }</span>
</span>
<span class="symbol">
{
val nameClass =
if (mbr.isImplicitlyInherited)
if (mbr.isShadowedOrAmbiguousImplicit)
"implicit shadowed"
else
"implicit"
else
"name"
val nameHtml = {
val value = if (mbr.isConstructor) tpl.name else mbr.name
val span = if (mbr.deprecation.isDefined)
<span class={ nameClass + " deprecated"} title={"Deprecated: "+bodyToStr(mbr.deprecation.get)}>{ value }</span>
else
<span class={ nameClass }>{ value }</span>
val encoded = scala.reflect.NameTransformer.encode(value)
if (encoded != value) {
span % new UnprefixedAttribute("title",
"gt4s: " + encoded +
span.attribute("title").map(
node => ". " + node
).getOrElse(""),
scala.xml.Null)
} else {
span
}
}
if (!nameLink.isEmpty)
<a href={nameLink}>{nameHtml}</a>
else nameHtml
}{
def tparamsToHtml(mbr: Any): NodeSeq = mbr match {
case hk: HigherKinded =>
val tpss = hk.typeParams
if (tpss.isEmpty) NodeSeq.Empty else {
def tparam0(tp: TypeParam): NodeSeq =
<span name={ tp.name }>{ tp.variance + tp.name }{ tparamsToHtml(tp) }{ boundsToHtml(tp.hi, tp.lo, hasLinks)}</span>
def tparams0(tpss: List[TypeParam]): NodeSeq = (tpss: @unchecked) match {
case tp :: Nil => tparam0(tp)
case tp :: tps => tparam0(tp) ++ Text(", ") ++ tparams0(tps)
}
<span class="tparams">[{ tparams0(tpss) }]</span>
}
case _ => NodeSeq.Empty
}
tparamsToHtml(mbr)
}{
if (isReduced) NodeSeq.Empty else {
def paramsToHtml(vlsss: List[List[ValueParam]]): NodeSeq = {
def param0(vl: ValueParam): NodeSeq =
// notice the }{ in the next lines, they are necessary to avoid an undesired withspace in output
<span name={ vl.name }>{
Text(vl.name)
}{ Text(": ") ++ typeToHtml(vl.resultType, hasLinks) }{
vl.defaultValue match {
case Some(v) => Text(" = ") ++ treeToHtml(v)
case None => NodeSeq.Empty
}
}</span>
def params0(vlss: List[ValueParam]): NodeSeq = vlss match {
case Nil => NodeSeq.Empty
case vl :: Nil => param0(vl)
case vl :: vls => param0(vl) ++ Text(", ") ++ params0(vls)
}
def implicitCheck(vlss: List[ValueParam]): NodeSeq = vlss match {
case vl :: vls => if(vl.isImplicit) { <span class="implicit">implicit </span> } else Text("")
case _ => Text("")
}
vlsss map { vlss => <span class="params">({implicitCheck(vlss) ++ params0(vlss) })</span> }
}
mbr match {
case cls: Class => paramsToHtml(cls.valueParams)
case ctr: Constructor => paramsToHtml(ctr.valueParams)
case dfe: Def => paramsToHtml(dfe.valueParams)
case _ => NodeSeq.Empty
}
}
}{ if (isReduced) NodeSeq.Empty else {
mbr match {
case tme: MemberEntity if (tme.isDef || tme.isVal || tme.isLazyVal || tme.isVar) =>
<span class="result">: { typeToHtml(tme.resultType, hasLinks) }</span>
case abt: MemberEntity with AbstractType =>
val b2s = boundsToHtml(abt.hi, abt.lo, hasLinks)
if (b2s != NodeSeq.Empty)
<span class="result">{ b2s }</span>
else NodeSeq.Empty
case alt: MemberEntity with AliasType =>
<span class="result"> = { typeToHtml(alt.alias, hasLinks) }</span>
case tpl: MemberTemplateEntity if !tpl.parentTypes.isEmpty =>
<span class="result"> extends { typeToHtml(tpl.parentTypes.map(_._2), hasLinks) }</span>
case _ => NodeSeq.Empty
}
}}
</span>
</xml:group>
mbr match {
case dte: DocTemplateEntity if !isSelf =>
<h4 class="signature">{ inside(hasLinks = true, nameLink = relativeLinkTo(dte)) }</h4> ++ permalink(dte, isSelf)
case _ if isSelf =>
<h4 id="signature" class="signature">{ inside(hasLinks = true) }</h4>
case _ =>
<h4 class="signature">{ inside(hasLinks = true) }</h4> ++ permalink(mbr)
}
}
/** */
def treeToHtml(tree: TreeEntity): NodeSeq = {
/** Makes text good looking in the html page : newlines and basic indentation,
* You must change this function if you want to improve pretty printing of default Values
*/
def codeStringToXml(text: String): NodeSeq = {
var goodLookingXml: NodeSeq = NodeSeq.Empty
var indent = 0
for (c <- text) c match {
case '{' => indent+=1
goodLookingXml ++= Text("{")
case '}' => indent-=1
goodLookingXml ++= Text("}")
case '\n' =>
goodLookingXml++= <br/> ++ indentation
case _ => goodLookingXml ++= Text(c.toString)
}
def indentation:NodeSeq = {
var indentXml = NodeSeq.Empty
for (x <- 1 to indent) indentXml ++= Text(" ")
indentXml
}
goodLookingXml
}
var index = 0
val str = tree.expression
val length = str.length
var myXml: NodeSeq = NodeSeq.Empty
for ((from, (member, to)) <- tree.refEntity.toSeq) {
if (index < from) {
myXml ++= codeStringToXml(str.substring(index,from))
index = from
}
if (index == from) {
member match {
case mbr: DocTemplateEntity =>
val link = relativeLinkTo(mbr)
myXml ++= <span class="name"><a href={link}>{str.substring(from, to)}</a></span>
case mbr: MemberEntity =>
val anchor = "#" + mbr.signature
val link = relativeLinkTo(mbr.inTemplate)
myXml ++= <span class="name"><a href={link ++ anchor}>{str.substring(from, to)}</a></span>
}
index = to
}
}
if (index <= length-1)
myXml ++= codeStringToXml(str.substring(index, length ))
if (length < 36)
<span class="symbol">{ myXml }</span>
else
<span class="defval" name={ myXml }>{ "..." }</span>
}
private def argumentsToHtml(argss: List[ValueArgument]): NodeSeq = {
def argumentsToHtml0(argss: List[ValueArgument]): NodeSeq = argss match {
case Nil => NodeSeq.Empty
case arg :: Nil => argumentToHtml(arg)
case arg :: args => argumentToHtml(arg) ++ scala.xml.Text(", ") ++ argumentsToHtml0(args)
}
<span class="args">({ argumentsToHtml0(argss) })</span>
}
private def argumentToHtml(arg: ValueArgument): NodeSeq = {
<span>
{
arg.parameter match {
case Some(param) => Text(param.name + " = ")
case None => NodeSeq.Empty
}
}
{ treeToHtml(arg.value) }
</span>
}
private def bodyToStr(body: comment.Body): String =
body.blocks flatMap (blockToStr(_)) mkString ""
private def blockToStr(block: comment.Block): String = block match {
case comment.Paragraph(in) => inlineToStr(in)
case _ => block.toString
}
private def inlineToStr(inl: comment.Inline): String = inl match {
case comment.Chain(items) => items flatMap (inlineToStr(_)) mkString ""
case comment.Italic(in) => inlineToStr(in)
case comment.Bold(in) => inlineToStr(in)
case comment.Underline(in) => inlineToStr(in)
case comment.Monospace(in) => inlineToStr(in)
case comment.Text(text) => text
case comment.Summary(in) => inlineToStr(in)
case _ => inl.toString
}
private def typeToHtmlWithStupidTypes(tpl: TemplateEntity, superTpl: TemplateEntity, superType: TypeEntity): NodeSeq =
if (tpl.universe.settings.useStupidTypes.value)
superTpl match {
case dtpl: DocTemplateEntity =>
val sig = signature(dtpl, isSelf = false, isReduced = true) \ "_"
sig
case tpl: TemplateEntity =>
Text(tpl.name)
}
else
typeToHtml(superType, hasLinks = true)
private def constraintToHtml(constraint: Constraint): NodeSeq = constraint match {
case ktcc: KnownTypeClassConstraint =>
scala.xml.Text(ktcc.typeExplanation(ktcc.typeParamName) + " (" + ktcc.typeParamName + ": ") ++
templateToHtml(ktcc.typeClassEntity) ++ scala.xml.Text(")")
case tcc: TypeClassConstraint =>
scala.xml.Text(tcc.typeParamName + " is ") ++
<a href="http://stackoverflow.com/questions/2982276/what-is-a-context-bound-in-scala" target="_blank">
context-bounded</a> ++ scala.xml.Text(" by " + tcc.typeClassEntity.qualifiedName + " (" + tcc.typeParamName + ": ") ++
templateToHtml(tcc.typeClassEntity) ++ scala.xml.Text(")")
case impl: ImplicitInScopeConstraint =>
scala.xml.Text("an implicit value of type ") ++ typeToHtml(impl.implicitType, hasLinks = true) ++ scala.xml.Text(" is in scope")
case eq: EqualTypeParamConstraint =>
scala.xml.Text(eq.typeParamName + " is " + eq.rhs.name + " (" + eq.typeParamName + " =:= ") ++
typeToHtml(eq.rhs, hasLinks = true) ++ scala.xml.Text(")")
case bt: BoundedTypeParamConstraint =>
scala.xml.Text(bt.typeParamName + " is a superclass of " + bt.lowerBound.name + " and a subclass of " +
bt.upperBound.name + " (" + bt.typeParamName + " >: ") ++
typeToHtml(bt.lowerBound, hasLinks = true) ++ scala.xml.Text(" <: ") ++
typeToHtml(bt.upperBound, hasLinks = true) ++ scala.xml.Text(")")
case lb: LowerBoundedTypeParamConstraint =>
scala.xml.Text(lb.typeParamName + " is a superclass of " + lb.lowerBound.name + " (" + lb.typeParamName + " >: ") ++
typeToHtml(lb.lowerBound, hasLinks = true) ++ scala.xml.Text(")")
case ub: UpperBoundedTypeParamConstraint =>
scala.xml.Text(ub.typeParamName + " is a subclass of " + ub.upperBound.name + " (" + ub.typeParamName + " <: ") ++
typeToHtml(ub.upperBound, hasLinks = true) ++ scala.xml.Text(")")
}
}
object Template {
/* Vlad: Lesson learned the hard way: don't put any stateful code that references the model here,
* it won't be garbage collected and you'll end up filling the heap with garbage */
def lowerFirstLetter(s: String) = if (s.length >= 1) s.substring(0,1).toLowerCase() + s.substring(1) else s
}
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