/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui;
import java.io.IOException;
import java.io.Reader;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* Provides a set of convenience methods for creating HTML pages.
*/
public class HTMLPrinter {
private HTMLPrinter() {
}
private static String replace(String text, char c, String s) {
int previous= 0;
int current= text.indexOf(c, previous);
if (current == -1)
return text;
StringBuffer buffer= new StringBuffer();
while (current > -1) {
buffer.append(text.substring(previous, current));
buffer.append(s);
previous= current + 1;
current= text.indexOf(c, previous);
}
buffer.append(text.substring(previous));
return buffer.toString();
}
public static String convertToHTMLContent(String content) {
content= replace(content, '<', "<"); //$NON-NLS-1$
return replace(content, '>', ">"); //$NON-NLS-1$
}
public static String read(Reader rd) {
StringBuffer buffer= new StringBuffer();
char[] readBuffer= new char[2048];
try {
int n= rd.read(readBuffer);
while (n > 0) {
buffer.append(readBuffer, 0, n);
n= rd.read(readBuffer);
}
return buffer.toString();
} catch (IOException x) {
}
return null;
}
public static void insertPageProlog(StringBuffer buffer, int position, RGB bgRGB) {
if (bgRGB == null)
insertPageProlog(buffer, position);
else {
StringBuffer pageProlog= new StringBuffer(60);
pageProlog.append("<html><body text=\"#000000\" bgcolor=\""); //$NON-NLS-1$
appendColor(pageProlog, bgRGB);
pageProlog.append("\"><font size=-1>"); //$NON-NLS-1$
buffer.insert(position, pageProlog.toString());
}
}
private static void appendColor(StringBuffer buffer, RGB rgb) {
buffer.append('#');
buffer.append(Integer.toHexString(rgb.red));
buffer.append(Integer.toHexString(rgb.green));
buffer.append(Integer.toHexString(rgb.blue));
}
public static void insertPageProlog(StringBuffer buffer, int position) {
RGB bgColor= null;
IWorkbenchWindow window= PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
Display display= window.getShell().getDisplay();
if (display != null && !display.isDisposed())
bgColor= display.getSystemColor(SWT.COLOR_INFO_BACKGROUND).getRGB();
}
if (bgColor == null)
bgColor= new RGB(255,255, 225); // RGB value of info bg color on WindowsXP
insertPageProlog(buffer, position, bgColor); //$NON-NLS-1$
}
public static void addPageProlog(StringBuffer buffer) {
insertPageProlog(buffer, buffer.length());
}
public static void addPageEpilog(StringBuffer buffer) {
buffer.append("</font></body></html>"); //$NON-NLS-1$
}
public static void startBulletList(StringBuffer buffer) {
buffer.append("<ul>"); //$NON-NLS-1$
}
public static void endBulletList(StringBuffer buffer) {
buffer.append("</ul>"); //$NON-NLS-1$
}
public static void addBullet(StringBuffer buffer, String bullet) {
if (bullet != null) {
buffer.append("<li>"); //$NON-NLS-1$
buffer.append(bullet);
buffer.append("</li>"); //$NON-NLS-1$
}
}
public static void addSmallHeader(StringBuffer buffer, String header) {
if (header != null) {
buffer.append("<h5>"); //$NON-NLS-1$
buffer.append(header);
buffer.append("</h5>"); //$NON-NLS-1$
}
}
public static void addParagraph(StringBuffer buffer, String paragraph) {
if (paragraph != null) {
buffer.append("<p>"); //$NON-NLS-1$
buffer.append(paragraph);
}
}
public static void addParagraph(StringBuffer buffer, Reader paragraphReader) {
if (paragraphReader != null)
addParagraph(buffer, read(paragraphReader));
}
}
