/*  Title:      Pure/General/markup.scala

     Author:     Makarius

 Common markup elements.

 */

 package isabelle

 object Markup

 {

   /* plain values */

   object Int

   {

     def apply(x: scala.Int): String = x.toString

     def unapply(s: String): Option[scala.Int] =

       try { Some(Integer.parseInt(s)) }

       catch { case _: NumberFormatException => None }

   }

   object Long

   {

     def apply(x: scala.Long): String = x.toString

     def unapply(s: String): Option[scala.Long] =

       try { Some(java.lang.Long.parseLong(s)) }

       catch { case _: NumberFormatException => None }

   }

   object Double

   {

     def apply(x: scala.Double): String = x.toString

     def unapply(s: String): Option[scala.Double] =

       try { Some(java.lang.Double.parseDouble(s)) }

       catch { case _: NumberFormatException => None }

   }

   /* named properties */

   class Property(val name: String)

   {

     def apply(value: String): List[(String, String)] = List((name, value))

     def unapply(props: List[(String, String)]): Option[String] =

       props.find(_._1 == name).map(_._2)

   }

   class Int_Property(name: String)

   {

     def apply(value: scala.Int): List[(String, String)] = List((name, Int(value)))

     def unapply(props: List[(String, String)]): Option[Int] =

       props.find(_._1 == name) match {

         case None => None

         case Some((_, value)) => Int.unapply(value)

       }

   }

   class Long_Property(name: String)

   {

     def apply(value: scala.Long): List[(String, String)] = List((name, Long(value)))

     def unapply(props: List[(String, String)]): Option[Long] =

       props.find(_._1 == name) match {

         case None => None

         case Some((_, value)) => Long.unapply(value)

       }

   }

   class Double_Property(name: String)

   {

     def apply(value: scala.Double): List[(String, String)] = List((name, Double(value)))

     def unapply(props: List[(String, String)]): Option[Double] =

       props.find(_._1 == name) match {

         case None => None

         case Some((_, value)) => Double.unapply(value)

       }

   }

   /* empty */

   val Empty = Markup("", Nil)

   /* misc properties */

   val NAME = "name"

   val Name = new Property(NAME)

   val KIND = "kind"

   val Kind = new Property(KIND)

   /* formal entities */

   val BINDING = "binding"

   val ENTITY = "entity"

   val DEF = "def"

   val REF = "ref"

   object Entity

   {

     def unapply(markup: Markup): Option[(String, String)] =

       markup match {

         case Markup(ENTITY, props @ Kind(kind)) =>

           props match {

             case Name(name) => Some(kind, name)

             case _ => None

           }

         case _ => None

       }

   }

   /* position */

   val LINE = "line"

   val COLUMN = "column"

   val OFFSET = "offset"

   val END_OFFSET = "end_offset"

   val FILE = "file"

   val ID = "id"

   val DEF_LINE = "def_line"

   val DEF_COLUMN = "def_column"

   val DEF_OFFSET = "def_offset"

   val DEF_END_OFFSET = "def_end_offset"

   val DEF_FILE = "def_file"

   val DEF_ID = "def_id"

   val POSITION_PROPERTIES = Set(LINE, COLUMN, OFFSET, END_OFFSET, FILE, ID)

   val POSITION = "position"

   /* path */

   val PATH = "path"

   object Path

   {

     def unapply(markup: Markup): Option[String] =

       markup match {

         case Markup(PATH, Name(name)) => Some(name)

         case _ => None

       }

   }

   /* pretty printing */

   val Indent = new Int_Property("indent")

   val BLOCK = "block"

   val Width = new Int_Property("width")

   val BREAK = "break"

   /* hidden text */

   val HIDDEN = "hidden"

   /* logical entities */

   val CLASS = "class"

   val TYPE = "type"

   val FIXED = "fixed"

   val CONSTANT = "constant"

   val DYNAMIC_FACT = "dynamic_fact"

   /* inner syntax */

   val TFREE = "tfree"

   val TVAR = "tvar"

   val FREE = "free"

   val SKOLEM = "skolem"

   val BOUND = "bound"

   val VAR = "var"

   val NUM = "num"

   val FLOAT = "float"

   val XNUM = "xnum"

   val XSTR = "xstr"

   val LITERAL = "literal"

   val DELIMITER = "delimiter"

   val INNER_STRING = "inner_string"

   val INNER_COMMENT = "inner_comment"

   val TOKEN_RANGE = "token_range"

   val SORT = "sort"

   val TYP = "typ"

   val TERM = "term"

   val PROP = "prop"

   val ATTRIBUTE = "attribute"

   val METHOD = "method"

   /* embedded source text */

   val ML_SOURCE = "ML_source"

   val DOC_SOURCE = "doc_source"

   val ANTIQ = "antiq"

   val ML_ANTIQUOTATION = "ML antiquotation"

   val DOCUMENT_ANTIQUOTATION = "document antiquotation"

   val DOCUMENT_ANTIQUOTATION_OPTION = "document antiquotation option"

   /* ML syntax */

   val ML_KEYWORD = "ML_keyword"

   val ML_DELIMITER = "ML_delimiter"

   val ML_IDENT = "ML_ident"

   val ML_TVAR = "ML_tvar"

   val ML_NUMERAL = "ML_numeral"

   val ML_CHAR = "ML_char"

   val ML_STRING = "ML_string"

   val ML_COMMENT = "ML_comment"

   val ML_MALFORMED = "ML_malformed"

   val ML_DEF = "ML_def"

   val ML_OPEN = "ML_open"

   val ML_STRUCT = "ML_struct"

   val ML_TYPING = "ML_typing"

   /* outer syntax */

   val KEYWORD_DECL = "keyword_decl"

   val COMMAND_DECL = "command_decl"

   val KEYWORD = "keyword"

   val OPERATOR = "operator"

   val COMMAND = "command"

   val IDENT = "ident"

   val STRING = "string"

   val ALTSTRING = "altstring"

   val VERBATIM = "verbatim"

   val COMMENT = "comment"

   val CONTROL = "control"

   val MALFORMED = "malformed"

   val COMMAND_SPAN = "command_span"

   val IGNORED_SPAN = "ignored_span"

   val MALFORMED_SPAN = "malformed_span"

   /* timing */

   val TIMING = "timing"

   val ELAPSED = "elapsed"

   val CPU = "cpu"

   val GC = "gc"

   object Timing

   {

     def apply(timing: isabelle.Timing): Markup =

       Markup(TIMING, List(

         (ELAPSED, Double(timing.elapsed.seconds)),

         (CPU, Double(timing.cpu.seconds)),

         (GC, Double(timing.gc.seconds))))

     def unapply(markup: Markup): Option[isabelle.Timing] =

       markup match {

         case Markup(TIMING, List(

           (ELAPSED, Double(elapsed)), (CPU, Double(cpu)), (GC, Double(gc)))) =>

             Some(new isabelle.Timing(Time.seconds(elapsed), Time.seconds(cpu), Time.seconds(gc)))

         case _ => None

       }

   }

   /* toplevel */

   val SUBGOALS = "subgoals"

   val PROOF_STATE = "proof_state"

   val STATE = "state"

   val SUBGOAL = "subgoal"

   val SENDBACK = "sendback"

   val HILITE = "hilite"

   /* command status */

   val TASK = "task"

   val FORKED = "forked"

   val JOINED = "joined"

   val FAILED = "failed"

   val FINISHED = "finished"

   /* interactive documents */

   val VERSION = "version"

   val EXEC = "exec"

   val ASSIGN = "assign"

   val EDIT = "edit"

   /* messages */

   val Serial = new Long_Property("serial")

   val MESSAGE = "message"

   val INIT = "init"

   val STATUS = "status"

   val REPORT = "report"

   val WRITELN = "writeln"

   val TRACING = "tracing"

   val WARNING = "warning"

   val ERROR = "error"

   val SYSTEM = "system"

   val STDOUT = "stdout"

   val EXIT = "exit"

   val NO_REPORT = "no_report"

   val BAD = "bad"

   val READY = "ready"

   /* system data */

   val Data = Markup("data", Nil)

 }

 sealed case class Markup(name: String, properties: List[(String, String)])