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/* Title: Pure/Thy/present.scala
Author: Makarius
HTML/PDF presentation of theory documents.
*/
package isabelle
import scala.collection.immutable.SortedMap
object Presentation
{
/** HTML documents **/
val fonts_path = Path.explode("fonts")
sealed case class HTML_Document(title: String, content: String)
def html_context(fonts_url: String => String = HTML.fonts_url()): HTML_Context =
new HTML_Context(fonts_url)
final class HTML_Context private[Presentation](fonts_url: String => String)
{
def init_fonts(dir: Path)
{
val fonts_dir = Isabelle_System.make_directory(dir + fonts_path)
for (entry <- Isabelle_Fonts.fonts(hidden = true))
File.copy(entry.path, fonts_dir)
}
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))))
}
def output_document(title: String, body: XML.Body): String =
HTML.output_document(
List(
HTML.style(HTML.fonts_css(fonts_url) + "\n\n" + File.read(HTML.isabelle_css)),
HTML.title(title)),
List(HTML.source(body)), css = "", structural = false)
def html_document(title: String, body: XML.Body): HTML_Document =
HTML_Document(title, output_document(title, body))
}
/* 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))
val elements2: Elements =
Elements(
html = elements1.html ++ Rendering.markdown_elements,
language = Markup.Elements(Markup.Language.DOCUMENT))
/* HTML */
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(
elements: Elements,
entity_link: (Properties.T, XML.Body) => Option[XML.Tree],
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): XML.Body =
xml_body flatMap {
case XML.Wrapped_Elem(markup, _, body) => html_body(List(XML.Elem(markup, body)))
case XML.Elem(Markup(Markup.ENTITY, props @ Markup.Kind(kind)), body) =>
val body1 = html_body(body)
if (elements.entity(kind)) {
entity_link(props, body1) match {
case Some(link) => List(link)
case None => body1
}
}
else body1
case XML.Elem(Markup(Markup.LANGUAGE, Markup.Name(name)), body) =>
html_class(if (elements.language(name)) name else "", html_body(body))
case XML.Elem(Markup(Markup.MARKDOWN_PARAGRAPH, _), body) =>
List(HTML.par(html_body(body)))
case XML.Elem(Markup(Markup.MARKDOWN_ITEM, _), body) =>
List(HTML.item(html_body(body)))
case XML.Elem(Markup(Markup.Markdown_Bullet.name, _), _) => Nil
case XML.Elem(Markup.Markdown_List(kind), body) =>
if (kind == Markup.ENUMERATE) List(HTML.enum(html_body(body)))
else List(HTML.list(html_body(body)))
case XML.Elem(markup, body) =>
val name = markup.name
val html =
markup.properties match {
case Markup.Kind(kind) if kind == Markup.COMMAND || kind == Markup.KEYWORD =>
html_class(kind, html_body(body))
case _ =>
html_body(body)
}
Rendering.foreground.get(name) orElse Rendering.text_color.get(name) match {
case Some(c) => html_class(c.toString, html)
case None => html_class(name, html)
}
case XML.Text(text) =>
HTML.text(Symbol.decode(text))
}
html_body(xml)
}
/* PIDE HTML document */
def html_document(
resources: Resources,
snapshot: Document.Snapshot,
html_context: HTML_Context,
elements: Elements,
plain_text: Boolean = false): 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)
}
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 body = make_html(elements, (_, _) => None, snapshot.xml_markup(elements = elements.html))
html_context.html_document(title, body)
}
}
}
/** PDF LaTeX documents **/
/* document info */
abstract class Document_Name
{
def name: String
def path: Path = Path.basic(name)
override def toString: String = name
}
object Document_Variant
{
def parse(name: String, tags: String): Document_Variant =
Document_Variant(name, Library.space_explode(',', tags))
def parse(opt: String): Document_Variant =
Library.space_explode('=', opt) match {
case List(name) => Document_Variant(name, Nil)
case List(name, tags) => parse(name, tags)
case _ => error("Malformed document variant: " + quote(opt))
}
}
sealed case class Document_Variant(name: String, tags: List[String]) extends Document_Name
{
def print_tags: String = tags.mkString(",")
def print: String = if (tags.isEmpty) name else name + "=" + print_tags
def latex_sty: String =
Library.terminate_lines(
tags.map(tag =>
tag.toList match {
case '/' :: cs => "\\isafoldtag{" + cs.mkString + "}"
case '-' :: cs => "\\isadroptag{" + cs.mkString + "}"
case '+' :: cs => "\\isakeeptag{" + cs.mkString + "}"
case cs => "\\isakeeptag{" + cs.mkString + "}"
}))
}
sealed case class Document_Input(name: String, sources: SHA1.Digest)
extends Document_Name
sealed case class Document_Output(name: String, sources: SHA1.Digest, log_xz: Bytes, pdf: Bytes)
extends Document_Name
{
def log: String = log_xz.uncompress().text
def log_lines: List[String] = split_lines(log)
def write(db: SQL.Database, session_name: String): Unit =
write_document(db, session_name, this)
}
/* SQL data model */
object Data
{
val session_name = SQL.Column.string("session_name").make_primary_key
val name = SQL.Column.string("name").make_primary_key
val sources = SQL.Column.string("sources")
val log_xz = SQL.Column.bytes("log_xz")
val pdf = SQL.Column.bytes("pdf")
val table = SQL.Table("isabelle_documents", List(session_name, name, sources, log_xz, pdf))
def where_equal(session_name: String, name: String = ""): SQL.Source =
"WHERE " + Data.session_name.equal(session_name) +
(if (name == "") "" else " AND " + Data.name.equal(name))
}
def read_documents(db: SQL.Database, session_name: String): List[Document_Input] =
{
val select = Data.table.select(List(Data.name, Data.sources), Data.where_equal(session_name))
db.using_statement(select)(stmt =>
stmt.execute_query().iterator(res =>
{
val name = res.string(Data.name)
val sources = res.string(Data.sources)
Document_Input(name, SHA1.fake(sources))
}).toList)
}
def read_document(db: SQL.Database, session_name: String, name: String): Option[Document_Output] =
{
val select = Data.table.select(sql = Data.where_equal(session_name, name))
db.using_statement(select)(stmt =>
{
val res = stmt.execute_query()
if (res.next()) {
val name = res.string(Data.name)
val sources = res.string(Data.sources)
val log_xz = res.bytes(Data.log_xz)
val pdf = res.bytes(Data.pdf)
Some(Document_Output(name, SHA1.fake(sources), log_xz, pdf))
}
else None
})
}
def write_document(db: SQL.Database, session_name: String, doc: Document_Output)
{
db.using_statement(Data.table.insert())(stmt =>
{
stmt.string(1) = session_name
stmt.string(2) = doc.name
stmt.string(3) = doc.sources.toString
stmt.bytes(4) = doc.log_xz
stmt.bytes(5) = doc.pdf
stmt.execute()
})
}
/* 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
def dir(store: Sessions.Store, info: Sessions.Info): Path =
dir(store) + Path.explode(info.chapter_session)
}
/** HTML presentation **/
/* 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
}
private def write_sessions(dir: Path, sessions: List[(String, String)])
{
import XML.Encode._
File.write(dir + sessions_path, YXML.string_of_body(list(pair(string, string))(sessions)))
}
def update_chapter_index(browser_info: Path, chapter: String, new_sessions: List[(String, String)])
{
val dir = Isabelle_System.make_directory(browser_info + Path.basic(chapter))
val sessions0 =
try { read_sessions(dir) }
catch { case _: XML.Error => Nil }
val sessions = (SortedMap.empty[String, String] ++ sessions0 ++ new_sessions).toList
write_sessions(dir, sessions)
val title = "Isabelle/" + chapter + " sessions"
HTML.write_document(dir, "index.html",
List(HTML.title(title + " (" + Distribution.version + ")")),
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)))) })))))))
}
def make_global_index(browser_info: Path)
{
if (!(browser_info + Path.explode("index.html")).is_file) {
Isabelle_System.make_directory(browser_info)
File.copy(Path.explode("~~/lib/logo/isabelle.gif"),
browser_info + Path.explode("isabelle.gif"))
File.write(browser_info + Path.explode("index.html"),
File.read(Path.explode("~~/lib/html/library_index_header.template")) +
File.read(Path.explode("~~/lib/html/library_index_content.template")) +
File.read(Path.explode("~~/lib/html/library_index_footer.template")))
}
}
/* present session */
val session_graph_path = Path.explode("session_graph.pdf")
val readme_path = Path.explode("README.html")
val files_path = Path.explode("files")
def html_name(name: Document.Node.Name): String = name.theory_base_name + ".html"
def theory_link(deps: Sessions.Deps, session0: String,
name: Document.Node.Name, body: XML.Body): Option[XML.Tree] =
{
val session1 = deps(session0).theory_qualifier(name)
val info0 = deps.sessions_structure.get(session0)
val info1 = deps.sessions_structure.get(session1)
if (info0.isDefined && info1.isDefined) {
Some(HTML.link(info0.get.relative_path(info1.get) + html_name(name), body))
}
else None
}
def session_html(
resources: Resources,
session: String,
deps: Sessions.Deps,
db_context: Sessions.Database_Context,
progress: Progress = new Progress,
verbose: Boolean = false,
html_context: HTML_Context,
elements: Elements,
presentation: Context)
{
val info = deps.sessions_structure(session)
val options = info.options
val base = deps(session)
val session_dir = presentation.dir(db_context.store, info)
html_context.init_fonts(session_dir)
Bytes.write(session_dir + session_graph_path,
graphview.Graph_File.make_pdf(options, base.session_graph_display))
val documents =
for {
doc <- info.document_variants
document <- db_context.input_database(session)(read_document(_, _, doc.name))
} yield {
if (verbose) progress.echo("Presenting document " + session + "/" + doc.name)
Bytes.write(session_dir + doc.path.pdf, document.pdf)
doc
}
val view_links =
{
val deps_link =
HTML.link(session_graph_path, HTML.text("theory dependencies"))
val readme_links =
if ((info.dir + readme_path).is_file) {
File.copy(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
}
val theories: List[XML.Body] =
{
var seen_files = List.empty[(Path, String, Document.Node.Name)]
def entity_link(props: Properties.T, body: XML.Body): Option[XML.Tree] =
(props, props, props) match {
case (Markup.Kind(Markup.THEORY), Markup.Name(theory), Position.Def_File(thy_file)) =>
val node_name = resources.file_node(Path.explode(thy_file), theory = theory)
theory_link(deps, session, node_name, body)
case _ => None
}
sealed case class Theory(
name: Document.Node.Name,
command: Command,
files_html: List[(Path, XML.Tree)],
html: XML.Tree)
def read_theory(name: Document.Node.Name): Option[Theory] =
{
progress.expose_interrupt()
if (verbose) progress.echo("Presenting theory " + name)
for (command <- Build_Job.read_theory(db_context, resources, session, name.theory))
yield {
val snapshot = Document.State.init.snippet(command)
val files_html =
for {
(src_path, xml) <- snapshot.xml_markup_blobs(elements = elements.html)
if xml.nonEmpty
}
yield {
progress.expose_interrupt()
if (verbose) progress.echo("Presenting file " + src_path)
(src_path, html_context.source(make_html(elements, entity_link, xml)))
}
val html =
html_context.source(
make_html(elements, entity_link, snapshot.xml_markup(elements = elements.html)))
Theory(name, command, files_html, html)
}
}
for (thy <- Par_List.map(read_theory, base.session_theories).flatten)
yield {
val files =
for { (src_path, file_html) <- thy.files_html }
yield {
val file_name = (files_path + src_path.squash.html).implode
seen_files.find(p => p._1 == src_path || p._2 == file_name) match {
case None => seen_files ::= (src_path, file_name, thy.name)
case Some((_, _, thy_name1)) =>
error("Incoherent use of file name " + src_path + " as " + quote(file_name) +
" in theory " + thy_name1 + " vs. " + thy.name)
}
val file_path = session_dir + Path.explode(file_name)
html_context.init_fonts(file_path.dir)
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))
List(HTML.link(file_name, HTML.text(file_title)))
}
val thy_title = "Theory " + thy.name.theory_base_name
HTML.write_document(session_dir, html_name(thy.name),
List(HTML.title(thy_title)), List(html_context.head(thy_title), thy.html))
List(HTML.link(html_name(thy.name),
HTML.text(thy.name.theory_base_name) :::
(if (files.isEmpty) Nil else List(HTML.itemize(files)))))
}
}
val title = "Session " + session
HTML.write_document(session_dir, "index.html",
List(HTML.title(title + " (" + Distribution.version + ")")),
html_context.head(title, List(HTML.par(view_links))) ::
html_context.contents("Theories", theories))
}
/** build documents **/
val session_tex_path = Path.explode("session.tex")
def tex_name(name: Document.Node.Name): String = name.theory_base_name + ".tex"
def document_tex_name(name: Document.Node.Name): String = "document/" + tex_name(name)
class Build_Error(val log_lines: List[String], val message: String)
extends Exn.User_Error(message)
def build_documents(
session: String,
deps: Sessions.Deps,
db_context: Sessions.Database_Context,
progress: Progress = new Progress,
output_sources: Option[Path] = None,
output_pdf: Option[Path] = None,
verbose: Boolean = false,
verbose_latex: Boolean = false): List[Document_Output] =
{
/* session info */
val info = deps.sessions_structure(session)
val hierarchy = deps.sessions_structure.hierarchy(session)
val options = info.options
val base = deps(session)
val graph_pdf = graphview.Graph_File.make_pdf(options, base.session_graph_display)
/* prepare document directory */
lazy val tex_files =
for (name <- base.session_theories ::: base.document_theories)
yield {
val entry = db_context.get_export(hierarchy, name.theory, document_tex_name(name))
Path.basic(tex_name(name)) -> entry.uncompressed
}
def prepare_dir1(dir: Path, doc: Document_Variant): (Path, String) =
{
val doc_dir = dir + Path.basic(doc.name)
Isabelle_System.make_directory(doc_dir)
Isabelle_System.bash("isabelle latex -o sty", cwd = doc_dir.file).check
File.write(doc_dir + Path.explode("isabelletags.sty"), doc.latex_sty)
for ((base_dir, src) <- info.document_files) File.copy_base(info.dir + base_dir, src, doc_dir)
File.write(doc_dir + session_tex_path,
Library.terminate_lines(
base.session_theories.map(name => "\\input{" + tex_name(name) + "}")))
for ((path, tex) <- tex_files) Bytes.write(doc_dir + path, tex)
val root1 = "root_" + doc.name
val root = if ((doc_dir + Path.explode(root1).tex).is_file) root1 else "root"
(doc_dir, root)
}
def prepare_dir2(dir: Path, doc: Document_Variant): Unit =
{
val doc_dir = dir + Path.basic(doc.name)
// non-deterministic, but irrelevant
Bytes.write(doc_dir + session_graph_path, graph_pdf)
}
/* produce documents */
val documents =
for (doc <- info.documents)
yield {
Isabelle_System.with_tmp_dir("document")(tmp_dir =>
{
progress.echo("Preparing " + session + "/" + doc.name + " ...")
val start = Time.now()
// prepare sources
val (doc_dir, root) = prepare_dir1(tmp_dir, doc)
val digests = File.find_files(doc_dir.file, follow_links = true).map(SHA1.digest)
val sources = SHA1.digest_set(digests)
prepare_dir2(tmp_dir, doc)
for (dir <- output_sources) {
prepare_dir1(dir, doc)
prepare_dir2(dir, doc)
}
// old document from database
val old_document =
for {
old_doc <- db_context.input_database(session)(read_document(_, _, doc.name))
if old_doc.sources == sources
}
yield {
Bytes.write(doc_dir + doc.path.pdf, old_doc.pdf)
old_doc
}
old_document getOrElse {
// bash scripts
def root_bash(ext: String): String = Bash.string(root + "." + ext)
def latex_bash(fmt: String = "pdf", ext: String = "tex"): String =
"isabelle latex -o " + Bash.string(fmt) + " " + Bash.string(root + "." + ext)
def bash(items: String*): Process_Result =
progress.bash(items.mkString(" && "), cwd = doc_dir.file,
echo = verbose_latex, watchdog = Time.seconds(0.5))
// prepare document
val result =
if ((doc_dir + Path.explode("build")).is_file) {
bash("./build pdf " + Bash.string(doc.name))
}
else {
bash(
latex_bash(),
"{ [ ! -f " + root_bash("bib") + " ] || " + latex_bash("bbl") + "; }",
"{ [ ! -f " + root_bash("idx") + " ] || " + latex_bash("idx") + "; }",
latex_bash(),
latex_bash())
}
// result
val root_pdf = Path.basic(root).pdf
val result_path = doc_dir + root_pdf
val log_lines = result.out_lines ::: result.err_lines
if (!result.ok) {
val message =
Exn.cat_message(
Library.trim_line(result.err),
cat_lines(Latex.latex_errors(doc_dir, root) ::: Bibtex.bibtex_errors(doc_dir, root)),
"Failed to build document " + quote(doc.name))
throw new Build_Error(log_lines, message)
}
else if (!result_path.is_file) {
val message = "Bad document result: expected to find " + root_pdf
throw new Build_Error(log_lines, message)
}
else {
val stop = Time.now()
val timing = stop - start
progress.echo("Finished " + session + "/" + doc.name +
" (" + timing.message_hms + " elapsed time)")
val log_xz = Bytes(cat_lines(log_lines)).compress()
val pdf = Bytes.read(result_path)
Document_Output(doc.name, sources, log_xz, pdf)
}
}
})
}
for (dir <- output_pdf; doc <- documents) {
Isabelle_System.make_directory(dir)
val path = dir + doc.path.pdf
Bytes.write(path, doc.pdf)
progress.echo("Document at " + path.absolute)
}
documents
}
/* Isabelle tool wrapper */
val isabelle_tool =
Isabelle_Tool("document", "prepare session theory document", Scala_Project.here, args =>
{
var output_sources: Option[Path] = None
var output_pdf: Option[Path] = None
var verbose_latex = false
var dirs: List[Path] = Nil
var options = Options.init()
var verbose_build = false
val getopts = Getopts(
"""
Usage: isabelle document [OPTIONS] SESSION
Options are:
-O DIR output directory for LaTeX sources and resulting PDF
-P DIR output directory for resulting PDF
-S DIR output directory for LaTeX sources
-V verbose latex
-d DIR include session directory
-o OPTION override Isabelle system OPTION (via NAME=VAL or NAME)
-v verbose build
Prepare the theory document of a session.
""",
"O:" -> (arg =>
{
val dir = Path.explode(arg)
output_sources = Some(dir)
output_pdf = Some(dir)
}),
"P:" -> (arg => { output_pdf = Some(Path.explode(arg)) }),
"S:" -> (arg => { output_sources = Some(Path.explode(arg)) }),
"V" -> (_ => verbose_latex = true),
"d:" -> (arg => dirs = dirs ::: List(Path.explode(arg))),
"o:" -> (arg => options = options + arg),
"v" -> (_ => verbose_build = true))
val more_args = getopts(args)
val session =
more_args match {
case List(a) => a
case _ => getopts.usage()
}
val progress = new Console_Progress(verbose = verbose_build)
val store = Sessions.store(options)
progress.interrupt_handler {
val res =
Build.build(options, selection = Sessions.Selection.session(session),
dirs = dirs, progress = progress, verbose = verbose_build)
if (!res.ok) error("Failed to build session " + quote(session))
val deps =
Sessions.load_structure(options + "document=pdf", dirs = dirs).
selection_deps(Sessions.Selection.session(session))
if (output_sources.isEmpty && output_pdf.isEmpty) {
progress.echo_warning("No output directory")
}
using(store.open_database_context())(db_context =>
build_documents(session, deps, db_context, progress = progress,
output_sources = output_sources, output_pdf = output_pdf,
verbose = true, verbose_latex = verbose_latex))
}
})
}
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