/* Title: Pure/Thy/presentation.scala
Author: Makarius
HTML presentation of PIDE document content.
*/
package isabelle
import scala.annotation.tailrec
import scala.collection.immutable.SortedMap
import scala.collection.mutable
object Presentation {
/** HTML documents **/
/* HTML context */
def html_context(
sessions_structure: Sessions.Structure,
elements: Elements,
root_dir: Path = Path.current,
document_info: Document_Info = Document_Info.empty
): HTML_Context = new HTML_Context(sessions_structure, elements, root_dir, document_info)
class HTML_Context private[Presentation](
sessions_structure: Sessions.Structure,
val elements: Elements,
val root_dir: Path,
val document_info: Document_Info
) {
/* directory structure and resources */
def theory_by_name(session: String, theory: String): Option[Document_Info.Theory] =
document_info.theory_by_name(session, theory)
def theory_by_file(session: String, file: String): Option[Document_Info.Theory] =
document_info.theory_by_file(session, file)
def session_dir(session: String): Path =
root_dir + Path.explode(sessions_structure(session).chapter_session)
def theory_html(theory: Document_Info.Theory): Path =
Path.explode(theory.print_short).html
def file_html(theory: Document_Info.Theory, file: Path): Path =
Path.explode(theory.print_short) + file.squash.html
def smart_html(theory: Document_Info.Theory, file: Path): Path =
if (File.is_thy(file.file_name)) theory_html(theory)
else file_html(theory, file: Path)
def relative_link(dir: Path, file: Path): String =
try { File.path(dir.java_path.relativize(file.java_path).toFile).implode }
catch {
case _: IllegalArgumentException =>
error("Cannot relativize " + file + " wrt. " + dir)
}
/* HTML content */
def head(title: String, rest: XML.Body = Nil): XML.Tree =
HTML.div("head", HTML.chapter(title) :: rest)
def source(body: XML.Body): XML.Tree = HTML.pre("source", body)
def contents(
heading: String,
items: List[XML.Body],
css_class: String = "contents"
) : List[XML.Elem] = {
if (items.isEmpty) Nil
else List(HTML.div(css_class, List(HTML.section(heading), HTML.itemize(items))))
}
val isabelle_css: String = File.read(HTML.isabelle_css)
def html_document(title: String, body: XML.Body, fonts_css: String): HTML_Document = {
val content =
HTML.output_document(
List(
HTML.style(fonts_css + "\n\n" + isabelle_css),
HTML.title(title)),
List(HTML.source(body)), css = "", structural = false)
HTML_Document(title, content)
}
}
sealed case class HTML_Document(title: String, content: String)
/* presentation elements */
sealed case class Elements(
html: Markup.Elements = Markup.Elements.empty,
entity: Markup.Elements = Markup.Elements.empty,
language: Markup.Elements = Markup.Elements.empty)
val elements1: Elements =
Elements(
html = Rendering.foreground_elements ++ Rendering.text_color_elements +
Markup.NUMERAL + Markup.COMMENT + Markup.ENTITY + Markup.LANGUAGE,
entity = Markup.Elements(Markup.THEORY, Markup.TYPE_NAME, Markup.CONSTANT, Markup.FACT,
Markup.CLASS, Markup.LOCALE, Markup.FREE))
val elements2: Elements =
Elements(
html = elements1.html ++ Rendering.markdown_elements,
language = Markup.Elements(Markup.Language.DOCUMENT))
/* formal entities */
object Theory_Ref {
def unapply(props: Properties.T): Option[String] =
(props, props) match {
case (Markup.Kind(Markup.THEORY), Markup.Name(theory)) => Some(theory)
case _ => None
}
}
object Entity_Ref {
def unapply(props: Properties.T): Option[(String, String, String)] =
(props, props, props, props) match {
case (Markup.Entity.Ref.Prop(_), Position.Def_File(file), Markup.Kind(kind), Markup.Name(name)) =>
Some((file, kind, name))
case _ => None
}
}
object Entity_Context {
val empty: Entity_Context = new Entity_Context
def make(
html_context: HTML_Context,
session_name: String,
theory_name: String,
file_name: String
): Entity_Context =
new Entity_Context {
private val session_dir = html_context.session_dir(session_name)
private val file_dir = Path.explode(file_name).dir
private val seen_ranges: mutable.Set[Symbol.Range] = mutable.Set.empty
override def make_def(range: Symbol.Range, body: XML.Body): Option[XML.Elem] =
body match {
case List(XML.Elem(Markup("span", List("id" -> _)), _)) => None
case _ =>
for (theory <- html_context.theory_by_name(session_name, theory_name))
yield {
val body1 =
if (seen_ranges.contains(range)) {
HTML.entity_def(HTML.span(HTML.id(offset_id(range)), body))
}
else HTML.span(body)
theory.get_defs(file_name, range).foldLeft(body1) {
case (elem, entity) =>
HTML.entity_def(HTML.span(HTML.id(entity.kname), List(elem)))
}
}
}
private def offset_id(range: Text.Range): String =
"offset_" + range.start + ".." + range.stop
override def make_ref(props: Properties.T, body: XML.Body): Option[XML.Elem] = {
props match {
case Theory_Ref(thy_name) =>
for (theory <- html_context.theory_by_name(session_name, thy_name))
yield {
val html_path = session_dir + html_context.theory_html(theory)
val html_link = html_context.relative_link(file_dir, html_path)
HTML.link(html_link, body)
}
case Entity_Ref(def_file, kind, name) =>
def logical_ref(theory: Document_Info.Theory): Option[String] =
theory.get_def(def_file, kind, name).map(_.kname)
def physical_ref(theory: Document_Info.Theory): Option[String] =
props match {
case Position.Def_Range(range) if theory.name == theory_name =>
seen_ranges += range
Some(offset_id(range))
case _ => None
}
for {
theory <- html_context.theory_by_file(session_name, def_file)
html_ref <- logical_ref(theory) orElse physical_ref(theory)
}
yield {
val html_path = session_dir + html_context.smart_html(theory, Path.explode(def_file))
val html_link = html_context.relative_link(file_dir, html_path)
HTML.entity_ref(HTML.link(html_link + "#" + html_ref, body))
}
case _ => None
}
}
}
}
class Entity_Context {
def make_def(range: Symbol.Range, body: XML.Body): Option[XML.Elem] = None
def make_ref(props: Properties.T, body: XML.Body): Option[XML.Elem] = None
}
/* HTML output */
private val div_elements =
Set(HTML.div.name, HTML.pre.name, HTML.par.name, HTML.list.name, HTML.`enum`.name,
HTML.descr.name)
def make_html(
entity_context: Entity_Context,
elements: Elements,
xml: XML.Body
): XML.Body = {
def html_div(html: XML.Body): Boolean =
html exists {
case XML.Elem(markup, body) => div_elements.contains(markup.name) || html_div(body)
case XML.Text(_) => false
}
def html_class(c: String, html: XML.Body): XML.Body =
if (c == "") html
else if (html_div(html)) List(HTML.div(c, html))
else List(HTML.span(c, html))
def html_body(xml_body: XML.Body, end_offset: Symbol.Offset): (XML.Body, Symbol.Offset) =
xml_body.foldRight((List.empty[XML.Tree], end_offset)) { case (tree, (res, end_offset1)) =>
val (res1, offset) = html_body_single(tree, end_offset1)
(res1 ++ res, offset)
}
@tailrec
def html_body_single(xml_tree: XML.Tree, end_offset: Symbol.Offset): (XML.Body, Symbol.Offset) =
xml_tree match {
case XML.Wrapped_Elem(markup, _, body) => html_body_single(XML.Elem(markup, body), end_offset)
case XML.Elem(Markup(Markup.ENTITY, props @ Markup.Kind(kind)), body) =>
val (body1, offset) = html_body(body, end_offset)
if (elements.entity(kind)) {
entity_context.make_ref(props, body1) match {
case Some(link) => (List(link), offset)
case None => (body1, offset)
}
}
else (body1, offset)
case XML.Elem(Markup(Markup.LANGUAGE, Markup.Name(name)), body) =>
val (body1, offset) = html_body(body, end_offset)
(html_class(if (elements.language(name)) name else "", body1), offset)
case XML.Elem(Markup(Markup.MARKDOWN_PARAGRAPH, _), body) =>
val (body1, offset) = html_body(body, end_offset)
(List(HTML.par(body1)), offset)
case XML.Elem(Markup(Markup.MARKDOWN_ITEM, _), body) =>
val (body1, offset) = html_body(body, end_offset)
(List(HTML.item(body1)), offset)
case XML.Elem(Markup(Markup.Markdown_Bullet.name, _), text) =>
(Nil, end_offset - XML.symbol_length(text))
case XML.Elem(Markup.Markdown_List(kind), body) =>
val (body1, offset) = html_body(body, end_offset)
if (kind == Markup.ENUMERATE) (List(HTML.`enum`(body1)), offset)
else (List(HTML.list(body1)), offset)
case XML.Elem(markup, body) =>
val name = markup.name
val (body1, offset) = html_body(body, end_offset)
val html =
markup.properties match {
case Markup.Kind(kind) if kind == Markup.COMMAND || kind == Markup.KEYWORD =>
html_class(kind, body1)
case _ =>
body1
}
Rendering.foreground.get(name) orElse Rendering.text_color.get(name) match {
case Some(c) => (html_class(c.toString, html), offset)
case None => (html_class(name, html), offset)
}
case XML.Text(text) =>
val offset = end_offset - Symbol.length(text)
val body = HTML.text(Symbol.decode(text))
entity_context.make_def(Text.Range(offset, end_offset), body) match {
case Some(body1) => (List(body1), offset)
case None => (body, offset)
}
}
html_body(xml, XML.symbol_length(xml) + 1)._1
}
/* PIDE HTML document */
def html_document(
snapshot: Document.Snapshot,
html_context: HTML_Context,
plain_text: Boolean = false,
fonts_css: String = HTML.fonts_css()
): HTML_Document = {
require(!snapshot.is_outdated, "document snapshot outdated")
val name = snapshot.node_name
if (plain_text) {
val title = "File " + Symbol.cartouche_decoded(name.path.file_name)
val body = HTML.text(snapshot.node.source)
html_context.html_document(title, body, fonts_css)
}
else {
Resources.html_document(snapshot) getOrElse {
val title =
if (name.is_theory) "Theory " + quote(name.theory_base_name)
else "File " + Symbol.cartouche_decoded(name.path.file_name)
val xml = snapshot.xml_markup(elements = html_context.elements.html)
val body = make_html(Entity_Context.empty, html_context.elements, xml)
html_context.html_document(title, body, fonts_css)
}
}
}
/** HTML presentation **/
/* presentation context */
object Context {
val none: Context = new Context { def enabled: Boolean = false }
val standard: Context = new Context { def enabled: Boolean = true }
def dir(path: Path): Context =
new Context {
def enabled: Boolean = true
override def dir(store: Sessions.Store): Path = path
}
def make(s: String): Context =
if (s == ":") standard else dir(Path.explode(s))
}
abstract class Context private {
def enabled: Boolean
def enabled(info: Sessions.Info): Boolean = enabled || info.browser_info
def dir(store: Sessions.Store): Path = store.presentation_dir
}
/* maintain chapter index */
private val sessions_path = Path.basic(".sessions")
private def read_sessions(dir: Path): List[(String, String)] = {
val path = dir + sessions_path
if (path.is_file) {
import XML.Decode._
list(pair(string, string))(Symbol.decode_yxml(File.read(path)))
}
else Nil
}
def update_chapter(
presentation_dir: Path,
chapter: String,
new_sessions: List[(String, String)]
): Unit = {
val dir = Isabelle_System.make_directory(presentation_dir + Path.basic(chapter))
val sessions0 =
try { read_sessions(dir) }
catch { case _: XML.Error => Nil }
val sessions = (SortedMap.empty[String, String] ++ sessions0 ++ new_sessions).toList
File.write(dir + sessions_path,
{
import XML.Encode._
YXML.string_of_body(list(pair(string, string))(sessions))
})
val title = "Isabelle/" + chapter + " sessions"
HTML.write_document(dir, "index.html",
List(HTML.title(title + Isabelle_System.isabelle_heading())),
HTML.chapter(title) ::
(if (sessions.isEmpty) Nil
else
List(HTML.div("sessions",
List(HTML.description(
sessions.map({ case (name, description) =>
val descr = Symbol.trim_blank_lines(description)
(List(HTML.link(name + "/index.html", HTML.text(name))),
if (descr == "") Nil
else HTML.break ::: List(HTML.pre(HTML.text(descr)))) })))))),
base = Some(presentation_dir))
}
def update_root(presentation_dir: Path): Unit = {
Isabelle_System.make_directory(presentation_dir)
HTML.init_fonts(presentation_dir)
Isabelle_System.copy_file(Path.explode("~~/lib/logo/isabelle.gif"),
presentation_dir + Path.explode("isabelle.gif"))
val title = "The " + XML.text(Isabelle_System.isabelle_name()) + " Library"
File.write(presentation_dir + Path.explode("index.html"),
HTML.header +
"""
<head>
""" + HTML.head_meta + """
<title>""" + title + """</title>
</head>
<body text="#000000" bgcolor="#FFFFFF" link="#0000FF" vlink="#000099" alink="#404040">
<center>
<table width="100%" border="0" cellspacing="10" cellpadding="0">
<tr>
<td width="20%" valign="middle" align="center"><a href="https://isabelle.in.tum.de/"><img align="bottom" src="isabelle.gif" width="100" height="86" alt="[Isabelle]" border="0" /></a></td>
<td width="80%" valign="middle" align="center">
<table width="90%" border="0" cellspacing="0" cellpadding="20">
<tr>
<td valign="middle" align="center" bgcolor="#AACCCC"><font face="Helvetica,Arial" size="+2">""" + title + """</font></td>
</tr>
</table>
</td>
</tr>
</table>
</center>
<hr />
""" + File.read(Path.explode("~~/lib/html/library_index_content.template")) +
"""
</body>
""" + HTML.footer)
}
/* present session */
val session_graph_path: Path = Path.explode("session_graph.pdf")
val readme_path: Path = Path.explode("README.html")
def session_html(
html_context: HTML_Context,
session_context: Export.Session_Context,
progress: Progress = new Progress,
verbose: Boolean = false,
): Unit = {
val session_name = session_context.session_name
val session_info = session_context.sessions_structure(session_name)
val session_dir =
Isabelle_System.make_directory(html_context.session_dir(session_name)).expand
progress.echo("Presenting " + session_name + " in " + session_dir + " ...")
val session = html_context.document_info.the_session(session_name)
Bytes.write(session_dir + session_graph_path,
graphview.Graph_File.make_pdf(session_info.options,
session_context.session_base.session_graph_display))
val documents =
for {
doc <- session_info.document_variants
db <- session_context.session_db()
document <- Document_Build.read_document(db, session_name, doc.name)
}
yield {
val doc_path = session_dir + doc.path.pdf
if (verbose) progress.echo("Presenting document " + session_name + "/" + doc.name)
if (session_info.document_echo) progress.echo("Document at " + doc_path)
Bytes.write(doc_path, document.pdf)
doc
}
val view_links = {
val deps_link =
HTML.link(session_graph_path, HTML.text("theory dependencies"))
val readme_links =
if ((session_info.dir + readme_path).is_file) {
Isabelle_System.copy_file(session_info.dir + readme_path, session_dir + readme_path)
List(HTML.link(readme_path, HTML.text("README")))
}
else Nil
val document_links =
documents.map(doc => HTML.link(doc.path.pdf, HTML.text(doc.name)))
Library.separate(HTML.break ::: HTML.nl,
(deps_link :: readme_links ::: document_links).
map(link => HTML.text("View ") ::: List(link))).flatten
}
def present_theory(theory_name: String): Option[XML.Body] = {
progress.expose_interrupt()
for {
command <- Build_Job.read_theory(session_context.theory(theory_name))
theory <- html_context.theory_by_name(session_name, theory_name)
}
yield {
if (verbose) progress.echo("Presenting theory " + quote(theory_name))
val snapshot = Document.State.init.snippet(command)
val thy_elements = theory.elements(html_context.elements)
val thy_html =
html_context.source(
make_html(Entity_Context.make(html_context, session_name, theory_name, theory.thy_file),
thy_elements, snapshot.xml_markup(elements = thy_elements.html)))
val files_html =
for {
(src_path, xml) <- snapshot.xml_markup_blobs(elements = thy_elements.html)
if xml.nonEmpty
}
yield {
progress.expose_interrupt()
if (verbose) progress.echo("Presenting file " + src_path)
(src_path, html_context.source(make_html(Entity_Context.empty, thy_elements, xml)))
}
val files =
for {
(src_path, file_html) <- files_html
file_path = session_dir + html_context.file_html(theory, src_path)
rel_path <- File.relative_path(session_dir, file_path)
}
yield {
val file_title = "File " + Symbol.cartouche_decoded(src_path.implode_short)
HTML.write_document(file_path.dir, file_path.file_name,
List(HTML.title(file_title)), List(html_context.head(file_title), file_html),
base = Some(html_context.root_dir))
List(HTML.link(rel_path.implode, HTML.text(file_title)))
}
val thy_title = "Theory " + theory.print_short
HTML.write_document(session_dir, html_context.theory_html(theory).implode,
List(HTML.title(thy_title)), List(html_context.head(thy_title), thy_html),
base = Some(html_context.root_dir))
List(HTML.link(html_context.theory_html(theory),
HTML.text(theory.print_short) ::: (if (files.isEmpty) Nil else List(HTML.itemize(files)))))
}
}
val theories = session.used_theories.flatMap(present_theory)
val title = "Session " + session_name
HTML.write_document(session_dir, "index.html",
List(HTML.title(title + Isabelle_System.isabelle_heading())),
html_context.head(title, List(HTML.par(view_links))) ::
html_context.contents("Theories", theories),
base = Some(html_context.root_dir))
}
}