Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / markdown / nodes / Node.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Node.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Node.java
new file mode 100644 (file)
index 0000000..7c91cea
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/markdown/nodes/Node.java
@@ -0,0 +1,89 @@
+package org.simantics.scl.compiler.markdown.nodes;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.simantics.scl.compiler.markdown.internal.ExtensionNodeHandler;
+import org.simantics.scl.compiler.markdown.internal.MarkdownParser;
+
+
+public abstract class Node {
+    public Node next;
+    public Node prev;
+    public Node parent;
+    public Node firstChild;
+    public Node lastChild;
+    public boolean open = true;
+    public boolean lastLineBlank = false;
+    public StringBuilder stringContent;
+    public int lineNumber;
+    
+    public void setLastLineBlank(boolean value) {
+        if(MarkdownParser.DEBUG)
+            System.out.println("    " + getClass().getSimpleName() + "@" + hashCode() + " lastLineBlank: " +
+                    lastLineBlank + " -> " + value);
+        this.lastLineBlank = value;
+    }
+    
+    public boolean canContain(Node node) {
+        return false;
+    }
+
+    public boolean acceptLines() {
+        return false;
+    }
+    
+    public void toHtml(StringBuilder b) {
+        for(Node child = firstChild; child != null; child = child.next)
+            child.toHtml(b);
+    }
+    
+    public List<HeaderNode> extractHeaders() {
+        ArrayList<HeaderNode> result = new ArrayList<HeaderNode>();
+        for(Node child = firstChild; child != null; child = child.next)
+            if(child instanceof HeaderNode)
+                result.add((HeaderNode)child);
+        return result;
+    }
+    
+    public String toHtml() {
+        StringBuilder b = new StringBuilder();
+        toHtml(b);
+        int len = b.length();
+        if(len > 0 && b.charAt(len-1) == '\n')
+            b.delete(len-1, len);
+        return b.toString();
+    }
+    
+    public void toPlainText(StringBuilder b) {
+        for(Node child = firstChild; child != null; child = child.next)
+            child.toPlainText(b);
+    }
+    
+    public void remove() {
+        if(prev == null)
+            parent.firstChild = next;
+        else
+            prev.next = next;
+        if(next == null)
+            parent.lastChild = prev;
+        else
+            next.prev = prev;
+    }
+    
+    public void processExtensionNodes(ExtensionNodeHandler handler) {
+        for(Node child = firstChild; child != null; child = child.next)
+            child.processExtensionNodes(handler);
+    }
+
+    public void addChild(Node child) {
+        child.parent = this;
+        if(lastChild == null)
+           firstChild = child; 
+        else {
+            lastChild.next = child;
+            child.prev = lastChild;
+        }
+        lastChild = child;
+    }
+}