--- a/src/Pure/PIDE/markup_node.scala Wed Aug 18 14:04:13 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,104 +0,0 @@
-/* Title: Pure/PIDE/markup_node.scala
- Author: Fabian Immler, TU Munich
- Author: Makarius
-
-Text markup nodes.
-*/
-
-package isabelle
-
-
-import javax.swing.tree.DefaultMutableTreeNode
-
-
-
-case class Markup_Node(val range: Text.Range, val info: Any)
-
-case class Markup_Tree(val node: Markup_Node, val branches: List[Markup_Tree])
-{
- private def add(branch: Markup_Tree) = // FIXME avoid sort
- copy(branches = (branch :: branches).sortWith((a, b) => a.node.range.start < b.node.range.start))
-
- private def remove(bs: List[Markup_Tree]) =
- copy(branches = branches.filterNot(bs.contains(_)))
-
- def + (new_tree: Markup_Tree): Markup_Tree =
- {
- val new_node = new_tree.node
- if (node.range contains new_node.range) {
- var inserted = false
- val new_branches =
- branches.map(branch =>
- if ((branch.node.range contains new_node.range) && !inserted) {
- inserted = true
- branch + new_tree
- }
- else branch)
- if (!inserted) {
- // new_tree did not fit into children of this
- // -> insert between this and its branches
- val fitting = branches filter(new_node.range contains _.node.range)
- (this remove fitting) add ((new_tree /: fitting)(_ + _))
- }
- else copy(branches = new_branches)
- }
- else {
- System.err.println("Ignored nonfitting markup: " + new_node)
- this
- }
- }
-
- def flatten: List[Markup_Node] =
- {
- var next_x = node.range.start
- if (branches.isEmpty) List(this.node)
- else {
- val filled_gaps =
- for {
- child <- branches
- markups =
- if (next_x < child.node.range.start)
- new Markup_Node(Text.Range(next_x, child.node.range.start), node.info) :: child.flatten
- else child.flatten
- update = (next_x = child.node.range.stop)
- markup <- markups
- } yield markup
- if (next_x < node.range.stop)
- filled_gaps ::: List(new Markup_Node(Text.Range(next_x, node.range.stop), node.info))
- else filled_gaps
- }
- }
-}
-
-
-case class Markup_Text(val markup: List[Markup_Tree], val content: String)
-{
- private val root = new Markup_Tree(new Markup_Node(Text.Range(0, content.length), None), markup) // FIXME !?
-
- def + (new_tree: Markup_Tree): Markup_Text =
- new Markup_Text((root + new_tree).branches, content)
-
- def filter(pred: Markup_Node => Boolean): Markup_Text =
- {
- def filt(tree: Markup_Tree): List[Markup_Tree] =
- {
- val branches = tree.branches.flatMap(filt(_))
- if (pred(tree.node)) List(tree.copy(branches = branches))
- else branches
- }
- new Markup_Text(markup.flatMap(filt(_)), content)
- }
-
- def flatten: List[Markup_Node] = markup.flatMap(_.flatten)
-
- def swing_tree(swing_node: Markup_Node => DefaultMutableTreeNode): DefaultMutableTreeNode =
- {
- def swing(tree: Markup_Tree): DefaultMutableTreeNode =
- {
- val node = swing_node(tree.node)
- tree.branches foreach ((branch: Markup_Tree) => node.add(swing(branch)))
- node
- }
- swing(root)
- }
-}