| /******************************************************************************* |
| * Copyright (c) 2011, 2016 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.pivot.internal.utilities; |
| |
| /** |
| * A StringBuilder that assists in production of valid HTML. |
| */ |
| public class HTMLBuffer |
| { |
| protected final StringBuilder s = new StringBuilder(); |
| private boolean inPara = false; |
| |
| public void append(String string) { |
| for (int i = 0; i < string.length(); i++) { |
| append(string.charAt(i)); |
| } |
| } |
| |
| public void append(char c) { |
| switch (c) { |
| case '&': s.append("&"); break; |
| case '<': s.append("<"); break; |
| case '>': s.append(">"); break; |
| default: s.append(c); break; |
| } |
| } |
| |
| public void appendFigure(String src, String alt, String width, String height) { |
| s.append("<img"); |
| appendValue("src", src); |
| appendValue("alt", alt); |
| appendValue("width", width); |
| appendValue("height", height); |
| s.append(">"); |
| } |
| |
| public void appendLabelDef(String value) { |
| s.append("<a"); |
| appendValue("name", value); |
| s.append("></a>"); |
| } |
| |
| public void appendLabelRef(String value) { |
| s.append("<a"); |
| appendValue("href", "#" + value); |
| s.append("></a>"); |
| } |
| |
| protected void appendTag(String tag) { |
| s.append("<"); |
| s.append(tag); |
| s.append(">"); |
| } |
| |
| protected void appendUntag(String tag) { |
| s.append("</"); |
| s.append(tag); |
| s.append(">"); |
| } |
| |
| protected void appendValue(String name, String value) { |
| if (value != null) { |
| s.append(" "); |
| s.append(name); |
| s.append("=\""); |
| s.append(value); |
| s.append("\""); |
| } |
| } |
| |
| public void endBulletLevel(Integer level) { |
| appendUntag("li"); |
| appendUntag("ul"); |
| } |
| |
| /** |
| * End a colored font by emitting a </font> tag. |
| */ |
| public void endFontColor() { |
| appendUntag("font"); |
| } |
| |
| /** |
| * End a tagged font by emitting a </fontName> tag. |
| */ |
| public void endFontName(String fontName) { |
| appendUntag(fontName); |
| } |
| |
| public void endFootnote() { |
| appendUntag("footnote"); |
| } |
| |
| public void endHeadingLevel(String level) { |
| appendUntag("h" + level); |
| } |
| |
| /** |
| * End a paragraph by emitting a </p> tag, unless no paragraph is active. |
| */ |
| public void endParagraph() { |
| if (inPara) { |
| appendUntag("p"); |
| inPara = false; |
| } |
| } |
| |
| /** |
| * End underlining by emitting a </u> tag. |
| */ |
| public void endUnderline() { |
| appendUntag("u"); |
| } |
| |
| public void startBulletLevel(Integer level) { |
| appendTag("ul"); |
| appendTag("li"); |
| } |
| |
| /** |
| * Start a colored font by emitting a <font color="colorName"> tag. |
| */ |
| public void startFontColor(String colorName) { |
| appendTag("font color=\"" + colorName + "\""); |
| } |
| |
| /** |
| * Start a tagged font by emitting a <fontName> tag. |
| */ |
| public void startFontName(String fontName) { |
| appendTag(fontName); |
| } |
| |
| public void startFootnote() { |
| appendTag("footnote"); |
| } |
| |
| public void startHeadingLevel(String level) { |
| appendTag("h" + level); |
| } |
| |
| /** |
| * Start a paragraph by emitting a <p> tag, unless a paragraph is already active. |
| */ |
| public void startParagraph() { |
| if (!inPara) { |
| appendTag("p"); |
| inPara = true; |
| } |
| } |
| |
| /** |
| * Start underlining by emitting a <u> tag. |
| */ |
| public void startUnderline() { |
| appendTag("u"); |
| } |
| |
| @Override |
| public String toString() { |
| return s.toString(); |
| } |
| } |