1 files changed, 162 insertions, 0 deletions
diff --git a/src/main/java/com/sk89q/warmroast/StackNode.java b/src/main/java/com/sk89q/warmroast/StackNode.java
new file mode 100644
index 0000000..216ca5f
--- /dev/null
+++ b/src/main/java/com/sk89q/warmroast/StackNode.java
@@ -0,0 +1,162 @@
+/*
+ * WarmRoast
+ * Copyright (C) 2013 Albert Pham <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.warmroast;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class StackNode implements Comparable<StackNode> {
+    
+    private final String name;
+    private final Map<String, StackNode> children = new HashMap<>();
+    private long totalTime;
+
+    public StackNode(String name) {
+        this.name = name;
+    }
+    
+    public String getName() {
+        return name;
+    }
+    
+    public String getNameHtml(McpMapping mapping) {
+        return escapeHtml(getName());
+    }
+
+    public Collection<StackNode> getChildren() {
+        List<StackNode> list = new ArrayList<>(children.values());
+        Collections.sort(list);
+        return list;
+    }
+    
+    public StackNode getChild(String name) {
+        StackNode child = children.get(name);
+        if (child == null) {
+            child = new StackNode(name);
+            children.put(name, child);
+        }
+        return child;
+    }
+    
+    public StackNode getChild(String className, String methodName) {
+        StackTraceNode node = new StackTraceNode(className, methodName);
+        StackNode child = children.get(node.getName());
+        if (child == null) {
+            child = node;
+            children.put(node.getName(), node);
+        }
+        return child;
+    }
+    
+    public long getTotalTime() {
+        return totalTime;
+    }
+
+    public void log(long time) {
+        totalTime += time;
+    }
+    
+    private void log(StackTraceElement[] elements, int skip, long time) {
+        log(time);
+        
+        if (elements.length - skip == 0) {
+            return;
+        }
+        
+        StackTraceElement bottom = elements[elements.length - (skip + 1)];
+        getChild(bottom.getClassName(), bottom.getMethodName())
+                .log(elements, skip + 1, time);
+    }
+    
+    public void log(StackTraceElement[] elements, long time) {
+        log(elements, 0, time);
+    }
+
+    @Override
+    public int compareTo(StackNode o) {
+        return getName().compareTo(o.getName());
+    }
+    
+    private void writeHtml(StringBuilder builder, McpMapping mapping, long totalTime) {
+        builder.append("<div class=\"node collapsed\">");
+        builder.append("<div class=\"name\">");
+        builder.append(getNameHtml(mapping));
+        builder.append("<span class=\"percent\">");
+        builder
+                .append(String.format("%.2f", getTotalTime() / (double) totalTime * 100))
+                .append("%");
+        builder.append("</span>");
+        builder.append("<span class=\"time\">");
+        builder.append(getTotalTime()).append("ms");
+        builder.append("</span>");
+        builder.append("<span class=\"bar\">");
+        builder.append("<span class=\"bar-inner\" style=\"width:")
+                .append(String.format("%.2f", getTotalTime() / (double) totalTime * 100))
+                .append("%\">");
+        builder.append("</span>");
+        builder.append("</span>");
+        builder.append("</div>");
+        builder.append("<ul class=\"children\">");
+        for (StackNode child : getChildren()) {
+            builder.append("<li>");
+            child.writeHtml(builder, mapping, totalTime);
+            builder.append("</li>");
+        }
+        builder.append("</ul>");
+        builder.append("</div>");
+    }
+
+    public String toHtml(McpMapping mapping) {
+        StringBuilder builder = new StringBuilder();
+        writeHtml(builder, mapping, getTotalTime());
+        return builder.toString();
+    }
+    
+    private void writeString(StringBuilder builder, int indent) {
+        StringBuilder b = new StringBuilder();
+        for (int i = 0; i < indent; i++) {
+            b.append(" ");
+        }
+        String padding = b.toString();
+        
+        for (StackNode child : getChildren()) {
+            builder.append(padding).append(child.getName());
+            builder.append(" ");
+            builder.append(getTotalTime()).append("ms");
+            builder.append("\n");
+            child.writeString(builder, indent + 1);
+        }
+    }
+    
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        writeString(builder, 0);
+        return builder.toString();
+    }
+    
+    protected static String escapeHtml(String str) {
+        return str.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;");
+    }
+
+}