| Richard Uhler | b730b78 | 2015-07-15 16:01:58 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.ahat; |
| 18 | |
| 19 | import java.io.PrintStream; |
| 20 | import java.net.URI; |
| 21 | import java.util.List; |
| 22 | |
| 23 | /** |
| 24 | * An Html implementation of Doc. |
| 25 | */ |
| 26 | public class HtmlDoc implements Doc { |
| 27 | private PrintStream ps; |
| 28 | private Column[] mCurrentTableColumns; |
| 29 | |
| 30 | /** |
| 31 | * Create an HtmlDoc that writes to the given print stream. |
| 32 | * @param title - The main page title. |
| 33 | * @param style - A URI link to a stylesheet to link to. |
| 34 | */ |
| 35 | public HtmlDoc(PrintStream ps, DocString title, URI style) { |
| 36 | this.ps = ps; |
| 37 | |
| 38 | ps.println("<!DOCTYPE html>"); |
| 39 | ps.println("<html>"); |
| 40 | ps.println("<head>"); |
| 41 | ps.format("<title>%s</title>\n", title.html()); |
| 42 | ps.format("<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\n", |
| 43 | style.toASCIIString()); |
| 44 | ps.println("</head>"); |
| 45 | ps.println("<body>"); |
| 46 | } |
| 47 | |
| 48 | @Override |
| 49 | public void title(String format, Object... args) { |
| 50 | ps.print("<h1>"); |
| 51 | ps.print(DocString.text(String.format(format, args)).html()); |
| 52 | ps.println("</h1>"); |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public void menu(DocString string) { |
| 57 | ps.format("<div class=\"menu\">%s</div>", string.html()); |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public void section(String title) { |
| 62 | ps.print("<h2>"); |
| 63 | ps.print(DocString.text(title).html()); |
| 64 | ps.println(":</h2>"); |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public void println(DocString string) { |
| 69 | ps.print(string.html()); |
| 70 | ps.println("<br />"); |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public void big(DocString str) { |
| 75 | ps.print("<h2>"); |
| 76 | ps.print(str.html()); |
| 77 | ps.println("</h2>"); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public void table(Column... columns) { |
| 82 | if (columns.length == 0) { |
| 83 | throw new IllegalArgumentException("No columns specified"); |
| 84 | } |
| 85 | |
| 86 | mCurrentTableColumns = columns; |
| 87 | ps.println("<table>"); |
| 88 | for (int i = 0; i < columns.length - 1; i++) { |
| 89 | ps.format("<th>%s</th>", columns[i].heading.html()); |
| 90 | } |
| 91 | |
| 92 | // Align the last header to the left so it's easier to see if the last |
| 93 | // column is very wide. |
| 94 | ps.format("<th align=\"left\">%s</th>", columns[columns.length - 1].heading.html()); |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public void table(DocString description, List<Column> subcols, List<Column> cols) { |
| 99 | mCurrentTableColumns = new Column[subcols.size() + cols.size()]; |
| 100 | int j = 0; |
| 101 | for (Column col : subcols) { |
| 102 | mCurrentTableColumns[j] = col; |
| 103 | j++; |
| 104 | } |
| 105 | for (Column col : cols) { |
| 106 | mCurrentTableColumns[j] = col; |
| 107 | j++; |
| 108 | } |
| 109 | |
| 110 | ps.println("<table>"); |
| 111 | ps.format("<tr><th colspan=\"%d\">%s</th>", subcols.size(), description.html()); |
| 112 | for (int i = 0; i < cols.size() - 1; i++) { |
| 113 | ps.format("<th rowspan=\"2\">%s</th>", cols.get(i).heading.html()); |
| 114 | } |
| 115 | if (!cols.isEmpty()) { |
| 116 | // Align the last column header to the left so it can still be seen if |
| 117 | // the last column is very wide. |
| 118 | ps.format("<th align=\"left\" rowspan=\"2\">%s</th>", |
| 119 | cols.get(cols.size() - 1).heading.html()); |
| 120 | } |
| 121 | ps.println("</tr>"); |
| 122 | |
| 123 | ps.print("<tr>"); |
| 124 | for (Column subcol : subcols) { |
| 125 | ps.format("<th>%s</th>", subcol.heading.html()); |
| 126 | } |
| 127 | ps.println("</tr>"); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public void row(DocString... values) { |
| 132 | if (mCurrentTableColumns == null) { |
| 133 | throw new IllegalStateException("table method must be called before row"); |
| 134 | } |
| 135 | |
| 136 | if (mCurrentTableColumns.length != values.length) { |
| 137 | throw new IllegalArgumentException(String.format( |
| 138 | "Wrong number of row values. Expected %d, but got %d", |
| 139 | mCurrentTableColumns.length, values.length)); |
| 140 | } |
| 141 | |
| 142 | ps.print("<tr>"); |
| 143 | for (int i = 0; i < values.length; i++) { |
| 144 | ps.print("<td"); |
| 145 | if (mCurrentTableColumns[i].align == Column.Align.RIGHT) { |
| 146 | ps.print(" align=\"right\""); |
| 147 | } |
| 148 | ps.format(">%s</td>", values[i].html()); |
| 149 | } |
| 150 | ps.println("</tr>"); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void descriptions() { |
| 155 | ps.println("<table>"); |
| 156 | } |
| 157 | |
| 158 | @Override |
| 159 | public void description(DocString key, DocString value) { |
| 160 | ps.format("<tr><th align=\"left\">%s:</th><td>%s</td></tr>", key.html(), value.html()); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public void end() { |
| 165 | ps.println("</table>"); |
| 166 | mCurrentTableColumns = null; |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public void close() { |
| 171 | ps.println("</body>"); |
| 172 | ps.println("</html>"); |
| 173 | ps.close(); |
| 174 | } |
| 175 | } |