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annotate src/org/nwoca/ssdt/tools/html2wiki/ReflowTransformer.java @ 6:99f293bd507f

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Add "reflow" transformer to reflow paragraphs, list items, etc.
author smith@nwoca.org
date Thu, 27 Jan 2011 16:37:27 -0500
parents
children c1d94c623854
rev   line source
6
99f293bd507f Add "reflow" transformer to reflow paragraphs, list items, etc.
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1 package org.nwoca.ssdt.tools.html2wiki;
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2
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3 import java.util.regex.*;
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4
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5 class ReflowTransformer implements Transformer {
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6
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7 private Pattern[] patterns = {
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8 Pattern.compile("(\\n<p>)(.*?)(\\n\\n|\\n<)", Pattern.MULTILINE + Pattern.DOTALL),
99f293bd507f Add "reflow" transformer to reflow paragraphs, list items, etc.
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9 Pattern.compile("(<li>)(.*?)(</li>)", Pattern.MULTILINE + Pattern.DOTALL),
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10 Pattern.compile("(<td>)([^<]*)(</td>)", Pattern.MULTILINE + Pattern.DOTALL)
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11 };
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12
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13 /**
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14 * Default transformer refolows paragraphs, li's and td's.
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15 *
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16 */
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17 public ReflowTransformer() {
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18 }
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19
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20 /**
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21 * Create transformer with specific regexp.
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22 *
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23 * Regexp must provide three groups: (before)(textToReflow)(after).
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24 *
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25 * @param regexp
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26 */
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27 public ReflowTransformer(String regexp) {
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28 patterns = new Pattern[]{
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29 Pattern.compile(regexp, Pattern.MULTILINE + Pattern.DOTALL)
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30 };
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31 }
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32
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33 public void apply(StringBuffer buffer) {
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34 for (Pattern pattern : patterns) {
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35
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36 System.out.println(" Reflowing: " + pattern);
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37 Matcher matcher = pattern.matcher(buffer);
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38
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39 int start = 0;
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40 while (matcher.find(start)) {
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41 String temp = matcher.group(2);
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42 temp = temp.replaceAll(" \\n", " ");
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43 buffer.replace(matcher.start(), matcher.end(), matcher.group(1) + temp + matcher.group(3));
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44 start = matcher.start() + matcher.group(1).length() + temp.length() + matcher.group(3).length() - 1;
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45 }
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46 }
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47
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48 }
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49
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50 public String toString() {
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51 return "Reflowing block tags";
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52 }
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53 }