diff options
Diffstat (limited to 'extraplugins/epf-richtext/org.eclipse.epf.common.html/src/org/eclipse/epf/common/html/DefaultHTMLFormatter.java')
| -rw-r--r-- | extraplugins/epf-richtext/org.eclipse.epf.common.html/src/org/eclipse/epf/common/html/DefaultHTMLFormatter.java | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/extraplugins/epf-richtext/org.eclipse.epf.common.html/src/org/eclipse/epf/common/html/DefaultHTMLFormatter.java b/extraplugins/epf-richtext/org.eclipse.epf.common.html/src/org/eclipse/epf/common/html/DefaultHTMLFormatter.java deleted file mode 100644 index eca7bf5a198..00000000000 --- a/extraplugins/epf-richtext/org.eclipse.epf.common.html/src/org/eclipse/epf/common/html/DefaultHTMLFormatter.java +++ /dev/null @@ -1,286 +0,0 @@ -//------------------------------------------------------------------------------
-// Copyright (c) 2005, 2007 IBM Corporation 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:
-// IBM Corporation - initial implementation
-//------------------------------------------------------------------------------
-package org.eclipse.epf.common.html;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.InputStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.io.UnsupportedEncodingException;
-
-import org.eclipse.epf.common.IHTMLFormatter;
-import org.eclipse.epf.common.utils.FileUtil;
-import org.eclipse.epf.common.utils.StrUtil;
-import org.w3c.tidy.Tidy;
-
-/**
- * Pretty-formats HTML source and makes it XHTML compliant.
- *
- * @author Kelvin Low
- * @since 1.0
- */
-public class DefaultHTMLFormatter implements IHTMLFormatter{
-
- protected static final String HTML_BODY_START_TAG = "<body"; //$NON-NLS-1$
-
- protected static final String HTML_BODY_END_TAG = "</body>"; //$NON-NLS-1$
-
-// private static final int HTML_BODY_START_TAG_LENGTH = HTML_BODY_START_TAG
-// .length();
-
- protected int lineWidth;
-
- protected boolean indent;
-
- protected int indentSize;
-
- protected String lastErrorStr;
-
-
-
-
-
- /**
- * Creates a new instance.
- */
- public DefaultHTMLFormatter() {
- this(132, true, 4);
- }
-
- /**
- * Creates a new instance.
- */
- public DefaultHTMLFormatter(int lineWidth, boolean indent, int indentSize) {
- this.lineWidth = lineWidth;
- this.indent = indent;
- this.indentSize = indentSize;
- }
-
- /**
- * Sets the maximum character width of a line.
- *
- * @param lineWidth
- * The line width (in number of characters).
- */
- public void setLineWidth(int lineWidth) {
- this.lineWidth = lineWidth;
- }
-
- /**
- * Enables or disables tags indent.
- *
- * @param indent
- * If true, ident the tags.
- */
- public void setIndent(boolean indent) {
- this.indent = indent;
- }
-
- /**
- * Sets the indent size.
- *
- * @param indentSize
- * The indent size (in number of characters).
- */
- public void setIndentSize(int indentSize) {
- this.indentSize = indentSize;
- }
-
- /**
- * Formats the given HTML source.
- *
- * @param html
- * The HTML source.
- * @return The pretty-formatted HTML source.
- */
- public String formatHTML(String html) throws UnsupportedEncodingException {
- return formatHTML(html, false, false, false, false);
- }
-
- /**
- * Formats the given HTML source.
- *
- * @param html The HTML source.
- * @param returnBodyOnly if false, return full HTML document or body content based on what is passed in. if true, always return body content only
- * @param forceOutput if true, return cleaned HTML even if errors. if false, will clean minor problems and return clean HTML, but on a major error, will set getLastErrorStr() and return passed-in html
- * @param makeBare set to true for cleaning MS HTML
- * @param word2000 set to true for cleaning MS Word 2000 HTML
- * @return
- * @throws UnsupportedEncodingException
- */
- public String formatHTML(String html, boolean returnBodyOnly, boolean forceOutput, boolean makeBare, boolean word2000) throws UnsupportedEncodingException {
- lastErrorStr = null;
- if (html == null || html.length() == 0) {
- return html;
- }
-
- html = removeLeadingWhitespace(html);
-
- Tidy tidy = new Tidy();
- tidy.setXHTML(true);
- tidy.setDropEmptyParas(false);
- tidy.setDropFontTags(false);
- tidy.setQuiet(true);
- tidy.setShowWarnings(false);
- tidy.setSmartIndent(false);
- tidy.setTidyMark(false);
- tidy.setWraplen(lineWidth);
- tidy.setIndentAttributes(false);
- tidy.setIndentContent(indent);
- tidy.setSpaces(indentSize);
- tidy.setCharEncoding(org.w3c.tidy.Configuration.UTF8);
-// tidy.setInputEncoding("UTF-16"); //$NON-NLS-1$
-// tidy.setOutputEncoding("UTF-16");//$NON-NLS-1$
- tidy.setFixBackslash(false);
- // this will add <p> around each text block (?that isn't in a block already?)
-// tidy.setEncloseBlockText(true);
- // setting this seemed to prevent JTidy from indenting the source
-// tidy.setPrintBodyOnly(true);
-
- if (forceOutput) {
- // output document even if errors are present
-// tidy.setForceOutput(true);
- }
- if (makeBare) {
- // remove MS clutter
-// tidy.setMakeBare(true);
- tidy.setMakeClean(true);
- }
- if (word2000) {
- // draconian Word2000 cleaning
- tidy.setWord2000(true);
- }
-
-
-// Reader input = new StringReader(html);
-// Writer output = new StringWriter();
-
- StringWriter sw = new StringWriter();
- PrintWriter pw = new PrintWriter(sw);
- tidy.setErrout(pw);
- InputStream input= new ByteArrayInputStream(html.getBytes("UTF-8"));
-
- ByteArrayOutputStream output = new ByteArrayOutputStream();
- tidy.parse(input, output);
- String error = sw.getBuffer().toString();
- if (error != null && error.length() > 0
- && error.startsWith("line") && error.indexOf("column") > 0) { //$NON-NLS-1$ //$NON-NLS-2$
- lastErrorStr = error;
- if (!forceOutput) {
- // if forceOutput is true, JTidy will return clean HTML so don't return here
- return html;
- }
- }
-
- String formattedHTML = new String(output.toByteArray(), "UTF-8"); //$NON-NLS-1$
- formattedHTML = StrUtil.getEscapedHTML(formattedHTML);
-
- String htmlStartUpper = html.substring(0, Math.min(10, html.length())).toUpperCase();
-
- if (returnBodyOnly || (!htmlStartUpper.startsWith("<!DOCTYPE") && !htmlStartUpper.startsWith("<HTML"))) { //$NON-NLS-1$ //$NON-NLS-2$
- int startBodyTag = formattedHTML.indexOf(HTML_BODY_START_TAG);
- int start = -1;
- if (startBodyTag != -1) {
- start = formattedHTML.indexOf(">",startBodyTag); //$NON-NLS-1$
- }
- int end = formattedHTML.indexOf(HTML_BODY_END_TAG);
- if (start == -1 || end == -1) {
- return ""; //$NON-NLS-1$
- }
- start += 1;
- if (start >= end) {
- return ""; //$NON-NLS-1$
- }
- start += FileUtil.LINE_SEP_LENGTH;
- end -= FileUtil.LINE_SEP_LENGTH;
- if (indent && indentSize > 0) {
- end -= indentSize;
- }
- if (start >= end) {
- return ""; //$NON-NLS-1$
- }
- String result = formattedHTML.substring(start, end);
- if (indent && indentSize > 0) {
- String indentStr = getIndentStr(indentSize * 2);
- result = fixIndentation(result, indentStr);
- return result;
- }
- }
- return formattedHTML;
- }
-
- /**
- * Returns the indent string.
- */
- protected static String getIndentStr(int indentLength) {
- if (indentLength == 0) {
- return ""; //$NON-NLS-1$
- }
- StringBuffer indentStr = new StringBuffer();
- for (int i = 0; i < indentLength; i++) {
- indentStr.append(' ');
- }
- return indentStr.toString();
- }
-
- public static final String PRE_TAG_START = "<pre>"; //$NON-NLS-1$
-
- public static final String PRE_TAG_END = "</pre>"; //$NON-NLS-1$
-
- public static final int PRE_TAG_END_LENGTH = PRE_TAG_END.length();
-
- /**
- * Undo the JTidy indent, but ignore <pre> tags
- *
- * @param html
- * @param indentStr
- * @return
- */
- protected static String fixIndentation(String html, String indentStr) {
- if (html.startsWith(indentStr)) {
- html = html.substring(indentStr.length());
- }
- StringBuffer strBuf = new StringBuffer();
- int pre_index = -1;
- int last_pre_end_index = -1;
- while ((pre_index = html.indexOf(PRE_TAG_START, last_pre_end_index)) != -1) {
- strBuf.append(html.substring(
- last_pre_end_index < 0 ? 0 : last_pre_end_index
- + PRE_TAG_END_LENGTH, pre_index).replaceAll(
- "\r\n" + indentStr, "\r\n")); //$NON-NLS-1$ //$NON-NLS-2$
- last_pre_end_index = html.indexOf(PRE_TAG_END, pre_index);
- if (last_pre_end_index != -1) {
- strBuf.append(html.substring(pre_index, last_pre_end_index
- + PRE_TAG_END_LENGTH));
- } else {
- // found <pre>, but no ending </pre> - shouldn't ever get here
- // append rest of string and return it
- strBuf.append(html.substring(pre_index));
- return strBuf.toString();
- }
- }
- strBuf.append(html.substring(
- last_pre_end_index < 0 ? 0 : last_pre_end_index
- + PRE_TAG_END_LENGTH).replaceAll("\r\n" + indentStr, //$NON-NLS-1$
- "\r\n")); //$NON-NLS-1$
- return strBuf.toString();
- }
-
- public String getLastErrorStr() {
- return lastErrorStr;
- }
-
-
- public String removeLeadingWhitespace(String input) {
- return p_whitespace.matcher(input).replaceAll(""); //$NON-NLS-1$
- }
-}
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