author | wenzelm |
Sun, 23 Oct 2016 12:30:57 +0200 | |
changeset 64355 | c6a1031cf925 |
parent 62113 | 16de2a9b5b3d |
child 64356 | ebbe7cf0c2b8 |
permissions | -rw-r--r-- |
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/* Title: Pure/Thy/html.scala |
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Author: Makarius |
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HTML presentation elements. |
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*/ |
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package isabelle |
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object HTML |
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{ |
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/* encode text with control symbols */ |
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val control = |
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Map( |
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Symbol.sub -> "sub", |
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Symbol.sub_decoded -> "sub", |
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Symbol.sup -> "sup", |
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Symbol.sup_decoded -> "sup", |
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parents:
60215
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Symbol.bold -> "b", |
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Symbol.bold_decoded -> "b") |
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wenzelm
parents:
36016
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changeset
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def output(text: String, s: StringBuilder) |
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parents:
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{ |
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def output_char(c: Char) = |
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c match { |
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case '<' => s ++= "<" |
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case '>' => s ++= ">" |
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case '&' => s ++= "&" |
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case '"' => s ++= """ |
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case '\'' => s ++= "'" |
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case '\n' => s ++= "<br/>" |
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case _ => s += c |
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} |
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def output_chars(str: String) = str.iterator.foreach(output_char(_)) |
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parents:
60215
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var ctrl = "" |
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for (sym <- Symbol.iterator(text)) { |
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wenzelm
parents:
60215
diff
changeset
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if (control.isDefinedAt(sym)) ctrl = sym |
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else { |
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clarified symbol insertion, depending on buffer encoding;
wenzelm
parents:
60215
diff
changeset
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control.get(ctrl) match { |
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case Some(elem) if Symbol.is_controllable(sym) && sym != "\"" => |
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s ++= ("<" + elem + ">") |
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output_chars(sym) |
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s ++= ("</" + elem + ">") |
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case _ => |
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output_chars(ctrl) |
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output_chars(sym) |
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} |
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wenzelm
parents:
60215
diff
changeset
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ctrl = "" |
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} |
37200
0f3edc64356a
added HTML.encode (in Scala), similar to HTML.output in ML;
wenzelm
parents:
36016
diff
changeset
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} |
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output_chars(ctrl) |
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} |
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def output(text: String): String = Library.make_string(output(text, _)) |
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/* output XML as HTML */ |
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def output(body: XML.Body, s: StringBuilder) |
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{ |
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def attrib(p: (String, String)): Unit = |
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{ s ++= " "; s ++= p._1; s ++= "=\""; output(p._2, s); s ++= "\"" } |
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def elem(markup: Markup): Unit = |
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{ s ++= markup.name; markup.properties.foreach(attrib) } |
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def tree(t: XML.Tree): Unit = |
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t match { |
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case XML.Elem(markup, Nil) => |
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s ++= "<"; elem(markup); s ++= "/>" |
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case XML.Elem(markup, ts) => |
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s ++= "<"; elem(markup); s ++= ">" |
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ts.foreach(tree) |
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s ++= "</"; s ++= markup.name; s ++= ">" |
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case XML.Text(txt) => output(txt, s) |
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} |
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body.foreach(tree) |
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added HTML.encode (in Scala), similar to HTML.output in ML;
wenzelm
parents:
36016
diff
changeset
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} |
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wenzelm
parents:
36016
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def output(body: XML.Body): String = Library.make_string(output(body, _)) |
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def output(tree: XML.Tree): String = output(List(tree)) |
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/* structured markup */ |
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def chapter(body: XML.Body): XML.Elem = XML.elem("h1", body) |
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def section(body: XML.Body): XML.Elem = XML.elem("h2", body) |
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def subsection(body: XML.Body): XML.Elem = XML.elem("h3", body) |
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def subsubsection(body: XML.Body): XML.Elem = XML.elem("h4", body) |
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def paragraph(body: XML.Body): XML.Elem = XML.elem("h5", body) |
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def subparagraph(body: XML.Body): XML.Elem = XML.elem("h6", body) |
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wenzelm
parents:
36016
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changeset
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/* document */ |
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wenzelm
parents:
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def begin_document(title: String): String = |
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"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n" + |
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" " + |
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"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" + |
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wenzelm
parents:
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"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n" + |
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parents:
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"<head>\n" + |
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"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>\n" + |
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"<title>" + output(title + " (" + Distribution.version + ")") + "</title>\n" + |
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parents:
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"<link media=\"all\" rel=\"stylesheet\" type=\"text/css\" href=\"isabelle.css\"/>\n" + |
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wenzelm
parents:
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"</head>\n" + |
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wenzelm
parents:
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"\n" + |
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parents:
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"<body>\n" + |
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wenzelm
parents:
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diff
changeset
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"<div class=\"head\">" + |
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"<h1>" + output(title) + "</h1>\n" |
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val end_document = "\n</div>\n</body>\n</html>\n" |
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parents:
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parents:
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wenzelm
parents:
50707
diff
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/* common markup elements */ |
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private def session_entry(entry: (String, String)): String = |
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val (name, description) = entry |
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val descr = |
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if (description == "") Nil |
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else List(XML.elem("br"), XML.elem("pre", List(XML.Text(description)))) |
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50707
5b2bf7611662
maintain session index on Scala side, for more determistic results;
wenzelm
parents:
50201
diff
changeset
|
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XML.string_of_tree( |
5b2bf7611662
maintain session index on Scala side, for more determistic results;
wenzelm
parents:
50201
diff
changeset
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XML.elem("li", |
5b2bf7611662
maintain session index on Scala side, for more determistic results;
wenzelm
parents:
50201
diff
changeset
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List(XML.Elem(Markup("a", List(("href", name + "/index.html"))), |
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List(XML.Text(name)))) ::: descr)) + "\n" |
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} |
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def chapter_index(chapter: String, sessions: List[(String, String)]): String = |
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parents:
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changeset
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{ |
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begin_document("Isabelle/" + chapter + " sessions") + |
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(if (sessions.isEmpty) "" |
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else "<div class=\"sessions\"><ul>\n" + sessions.map(session_entry(_)).mkString + "</ul>") + |
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end_document |
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} |
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} |