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1
11
12 package org.eclipse.ui.internal.cheatsheets.composite.parser;
13
14 import org.w3c.dom.NamedNodeMap  ;
15 import org.w3c.dom.Node ;
16 import org.w3c.dom.NodeList ;
17
18 public class MarkupParser {
19
20 public static String parseAndTrimTextMarkup(Node parentNode) {
21 return parseMarkup(parentNode).trim();
22 }
23
24 private static String parseMarkup(Node parentNode) {
25 NodeList children = parentNode.getChildNodes();
26 StringBuffer text = new StringBuffer ();
27 for (int i = 0; i < children.getLength(); i++) {
28 Node childNode = children.item(i);
29 if (childNode.getNodeType() == Node.TEXT_NODE) {
30 text.append(escapeText(childNode.getNodeValue()));
31 } else if (childNode.getNodeType() == Node.ELEMENT_NODE) {
32 text.append('<');
33 text.append(childNode.getNodeName());
34 NamedNodeMap attributes = childNode.getAttributes();
36 if (attributes != null) {
37 for (int x = 0; x < attributes.getLength(); x++) {
38 Node attribute = attributes.item(x);
39 String attributeName = attribute.getNodeName();
40 if (attributeName == null)
41 continue;
42 text.append(' ');
43 text.append(attributeName);
44 text.append(" = \""); text.append(attribute.getNodeValue());
46 text.append('"');
47 }
48 }
49 text.append('>');
50 text.append(parseMarkup(childNode));
51 text.append("</"); text.append(childNode.getNodeName());
53 text.append('>');
54 }
55 }
56 return text.toString();
57 }
58
59 public static String escapeText(String input) {
60 StringBuffer result = new StringBuffer (input.length() + 10);
61 for (int i = 0; i < input.length(); ++i)
62 appendEscapedChar(result, input.charAt(i));
63 return result.toString();
64 }
65
66 private static void appendEscapedChar(StringBuffer buffer, char c) {
67 String replacement = getReplacement(c);
68 if (replacement != null) {
69 buffer.append(replacement);
70 } else {
71 buffer.append(c);
72 }
73 }
74
75 private static String getReplacement(char c) {
76 switch (c) {
79 case '<' :
80 return "<"; case '>' :
82 return ">"; case '&' :
84 return "&"; case '\t' :
86 return " "; }
88 return null;
89 }
90
91
94 public static String createParagraph(String text, String imageTag) {
95 String result = ""; String trimmed = text.trim();
97 boolean addParagraphTags = trimmed.length() < 3 || trimmed.charAt(0)!='<' ||
98 (trimmed.charAt(1)!='p' && trimmed.charAt(1) != 'l');
99 if (addParagraphTags) {
100 result += "<p>"; }
102
103 if (imageTag != null) {
104 result += "<img HREF=\""; result += imageTag;
106 result += "\"/> "; }
108
109 result += trimmed;
110
111 if (addParagraphTags) {
112 result += "</p>"; }
114 return result;
115 }
116
117 }
118 |
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