tools/ahat/src/main/com/android/ahat/HtmlDoc.java - LeafOS-Project/android_art - Gitiles

 /*
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.ahat;

 import java.io.PrintStream;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;

 /**
  * An Html implementation of Doc.
  */
 class HtmlDoc implements Doc {
   private PrintStream ps;
   private Column[] mCurrentTableColumns;
   private List<String> mSections;

   /**
    * Create an HtmlDoc that writes to the given print stream.
    * @param title - The main page title.
    * @param style - A URI link to a stylesheet to link to.
    */
   public HtmlDoc(PrintStream ps, DocString title, URI style) {
     this.ps = ps;
     mSections = new ArrayList<>();

     ps.println("<!DOCTYPE html>");
     ps.println("<html>");
     ps.println("<head>");
     ps.format("<title>%s</title>\n", title.html());
     ps.format("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n",
         style.toASCIIString());
     ps.println("</head>");
     ps.println("<body>");
   }

   @Override
   public void title(String format, Object... args) {
     ps.print("<h1>");
     ps.print(DocString.text(String.format(format, args)).html());
     ps.println("</h1>");
   }

   @Override
   public void menu(DocString string) {
     ps.format("<div class=\"menu\">%s</div>", string.html());
   }

   @Override
   public void section(String title) {
     ps.format("<h2 id=\"%d\">", mSections.size());
     ps.print(DocString.text(title).html());
     ps.println(":</h2>");
     mSections.add(title);
   }

   @Override
   public void println(DocString string) {
     ps.print(string.html());
     ps.println("<br />");
   }

   @Override
   public void big(DocString str) {
     ps.print("<h2>");
     ps.print(str.html());
     ps.println("</h2>");
   }

   @Override
   public void table(Column... columns) {
     if (columns.length == 0) {
       throw new IllegalArgumentException("No columns specified");
     }

     mCurrentTableColumns = columns;
     ps.println("<table>");
     for (int i = 0; i < columns.length - 1; i++) {
       if (columns[i].visible) {
         ps.format("<th>%s</th>", columns[i].heading.html());
       }
     }

     // Align the last header to the left so it's easier to see if the last
     // column is very wide.
     if (columns[columns.length - 1].visible) {
       ps.format("<th align=\"left\">%s</th>", columns[columns.length - 1].heading.html());
     }
   }

   @Override
   public void table(DocString description, List<Column> subcols, List<Column> cols) {
     mCurrentTableColumns = new Column[subcols.size() + cols.size()];
     int j = 0;
     int visibleSubCols = 0;
     for (Column col : subcols) {
       if (col.visible) {
         visibleSubCols++;
       }
       mCurrentTableColumns[j] = col;
       j++;
     }
     for (Column col : cols) {
       mCurrentTableColumns[j] = col;
       j++;
     }

     ps.println("<table>");
     ps.format("<tr><th colspan=\"%d\">%s</th>", visibleSubCols, description.html());
     for (int i = 0; i < cols.size() - 1; i++) {
       if (cols.get(i).visible) {
         ps.format("<th rowspan=\"2\">%s</th>", cols.get(i).heading.html());
       }
     }
     if (!cols.isEmpty()) {
       // Align the last column header to the left so it can still be seen if
       // the last column is very wide.
       Column col = cols.get(cols.size() - 1);
       if (col.visible) {
         ps.format("<th align=\"left\" rowspan=\"2\">%s</th>", col.heading.html());
       }
     }
     ps.println("</tr>");

     ps.print("<tr>");
     for (Column subcol : subcols) {
       if (subcol.visible) {
         ps.format("<th>%s</th>", subcol.heading.html());
       }
     }
     ps.println("</tr>");
   }

   @Override
   public void row(DocString... values) {
     if (mCurrentTableColumns == null) {
       throw new IllegalStateException("table method must be called before row");
     }

     if (mCurrentTableColumns.length != values.length) {
       throw new IllegalArgumentException(String.format(
           "Wrong number of row values. Expected %d, but got %d",
           mCurrentTableColumns.length, values.length));
     }

     ps.print("<tr>");
     for (int i = 0; i < values.length; i++) {
       if (mCurrentTableColumns[i].visible) {
       ps.print("<td");
         if (mCurrentTableColumns[i].align == Column.Align.RIGHT) {
           ps.print(" align=\"right\"");
         }
         ps.format(">%s</td>", values[i].html());
       }
     }
     ps.println("</tr>");
   }

   @Override
   public void descriptions() {
     ps.println("<table>");
   }

   @Override
   public void description(DocString key, DocString value) {
     ps.format("<tr><th align=\"left\">%s:</th><td>%s</td></tr>", key.html(), value.html());
   }

   @Override
   public void end() {
     ps.println("</table>");
     mCurrentTableColumns = null;
   }

   private void sidebar() {
     ps.println("<div class=\"sidebar\">");
     for (int i = 0; i < mSections.size(); i++) {
       ps.format("<p><a href=\"#%d\">%s</a></p>", i, mSections.get(i));
     }
     ps.println("</div>");
   }

   @Override
   public void close() {
     sidebar();
     ps.println("</body>");
     ps.println("</html>");
     ps.close();
   }
 }
	/*
	* Copyright (C) 2015 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.ahat;

	import java.io.PrintStream;
	import java.net.URI;
	import java.util.ArrayList;
	import java.util.List;

	/**
	* An Html implementation of Doc.
	*/
	class HtmlDoc implements Doc {
	private PrintStream ps;
	private Column[] mCurrentTableColumns;
	private List<String> mSections;

	/**
	* Create an HtmlDoc that writes to the given print stream.
	* @param title - The main page title.
	* @param style - A URI link to a stylesheet to link to.
	*/
	public HtmlDoc(PrintStream ps, DocString title, URI style) {
	this.ps = ps;
	mSections = new ArrayList<>();

	ps.println("<!DOCTYPE html>");
	ps.println("<html>");
	ps.println("<head>");
	ps.format("<title>%s</title>\n", title.html());
	ps.format("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n",
	style.toASCIIString());
	ps.println("</head>");
	ps.println("<body>");
	}

	@Override
	public void title(String format, Object... args) {
	ps.print("<h1>");
	ps.print(DocString.text(String.format(format, args)).html());
	ps.println("</h1>");
	}

	@Override
	public void menu(DocString string) {
	ps.format("<div class=\"menu\">%s</div>", string.html());
	}

	@Override
	public void section(String title) {
	ps.format("<h2 id=\"%d\">", mSections.size());
	ps.print(DocString.text(title).html());
	ps.println(":</h2>");
	mSections.add(title);
	}

	@Override
	public void println(DocString string) {
	ps.print(string.html());
	ps.println("<br />");
	}

	@Override
	public void big(DocString str) {
	ps.print("<h2>");
	ps.print(str.html());
	ps.println("</h2>");
	}

	@Override
	public void table(Column... columns) {
	if (columns.length == 0) {
	throw new IllegalArgumentException("No columns specified");
	}

	mCurrentTableColumns = columns;
	ps.println("<table>");
	for (int i = 0; i < columns.length - 1; i++) {
	if (columns[i].visible) {
	ps.format("<th>%s</th>", columns[i].heading.html());
	}
	}

	// Align the last header to the left so it's easier to see if the last
	// column is very wide.
	if (columns[columns.length - 1].visible) {
	ps.format("<th align=\"left\">%s</th>", columns[columns.length - 1].heading.html());
	}
	}

	@Override
	public void table(DocString description, List<Column> subcols, List<Column> cols) {
	mCurrentTableColumns = new Column[subcols.size() + cols.size()];
	int j = 0;
	int visibleSubCols = 0;
	for (Column col : subcols) {
	if (col.visible) {
	visibleSubCols++;
	}
	mCurrentTableColumns[j] = col;
	j++;
	}
	for (Column col : cols) {
	mCurrentTableColumns[j] = col;
	j++;
	}

	ps.println("<table>");
	ps.format("<tr><th colspan=\"%d\">%s</th>", visibleSubCols, description.html());
	for (int i = 0; i < cols.size() - 1; i++) {
	if (cols.get(i).visible) {
	ps.format("<th rowspan=\"2\">%s</th>", cols.get(i).heading.html());
	}
	}
	if (!cols.isEmpty()) {
	// Align the last column header to the left so it can still be seen if
	// the last column is very wide.
	Column col = cols.get(cols.size() - 1);
	if (col.visible) {
	ps.format("<th align=\"left\" rowspan=\"2\">%s</th>", col.heading.html());
	}
	}
	ps.println("</tr>");

	ps.print("<tr>");
	for (Column subcol : subcols) {
	if (subcol.visible) {
	ps.format("<th>%s</th>", subcol.heading.html());
	}
	}
	ps.println("</tr>");
	}

	@Override
	public void row(DocString... values) {
	if (mCurrentTableColumns == null) {
	throw new IllegalStateException("table method must be called before row");
	}

	if (mCurrentTableColumns.length != values.length) {
	throw new IllegalArgumentException(String.format(
	"Wrong number of row values. Expected %d, but got %d",
	mCurrentTableColumns.length, values.length));
	}

	ps.print("<tr>");
	for (int i = 0; i < values.length; i++) {
	if (mCurrentTableColumns[i].visible) {
	ps.print("<td");
	if (mCurrentTableColumns[i].align == Column.Align.RIGHT) {
	ps.print(" align=\"right\"");
	}
	ps.format(">%s</td>", values[i].html());
	}
	}
	ps.println("</tr>");
	}

	@Override
	public void descriptions() {
	ps.println("<table>");
	}

	@Override
	public void description(DocString key, DocString value) {
	ps.format("<tr><th align=\"left\">%s:</th><td>%s</td></tr>", key.html(), value.html());
	}

	@Override
	public void end() {
	ps.println("</table>");
	mCurrentTableColumns = null;
	}

	private void sidebar() {
	ps.println("<div class=\"sidebar\">");
	for (int i = 0; i < mSections.size(); i++) {
	ps.format("<p><a href=\"#%d\">%s</a></p>", i, mSections.get(i));
	}
	ps.println("</div>");
	}

	@Override
	public void close() {
	sidebar();
	ps.println("</body>");
	ps.println("</html>");
	ps.close();
	}
	}