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package org.webslinger.ext.convertors; |
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import java.io.IOException; |
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import java.io.StringWriter; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.regex.Pattern; |
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|
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public class WikiVelocityHelper { |
| 10 | 1 | private static final Pattern PATTERN = Pattern.compile("(\n|\")"); |
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private final StringWriter writer; |
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private boolean hadEnd; |
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|
| 14 | 3 | public WikiVelocityHelper(StringWriter writer) { |
| 15 | 3 | this.writer = writer; |
| 16 | 3 | } |
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| 18 | |
protected void writeArg(Object value) { |
| 19 | 53 | if (value == null) return; |
| 20 | 44 | if (value instanceof Number) { |
| 21 | 20 | writer.write(value.toString()); |
| 22 | 24 | } else if (value instanceof Map) { |
| 23 | 0 | writer.write('{'); |
| 24 | 0 | Iterator it = ((Map) value).entrySet().iterator(); |
| 25 | 0 | while (it.hasNext()) { |
| 26 | 0 | Map.Entry entry = (Map.Entry) it.next(); |
| 27 | 0 | writeArg(entry.getKey()); |
| 28 | 0 | writer.write(": "); |
| 29 | 0 | writeArg(entry.getValue()); |
| 30 | 0 | if (it.hasNext()) writer.write(", "); |
| 31 | 0 | } |
| 32 | 0 | writer.write('}'); |
| 33 | 0 | } else { |
| 34 | 24 | writer.write('"'); |
| 35 | 24 | String s = value instanceof String ? (String) value : value.toString(); |
| 36 | 24 | writer.write(PATTERN.matcher(s).replaceAll("\\\\$1")); |
| 37 | 24 | writer.write('"'); |
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} |
| 39 | 44 | } |
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protected void checkEnd(boolean escape) { |
| 42 | 130 | if (hadEnd) { |
| 43 | 32 | writer.write(escape ? "#{end}" : "#end"); |
| 44 | 32 | hadEnd = false; |
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} |
| 46 | 130 | } |
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protected void callDirective(String name, Object[] args) { |
| 49 | 52 | checkEnd(false); |
| 50 | 52 | writer.write('#'); |
| 51 | 52 | writer.write(name); |
| 52 | 52 | writer.write('('); |
| 53 | 105 | for (int i = 1; i < args.length; i += 2) { |
| 54 | 53 | if (i != 1) writer.write(' '); |
| 55 | 53 | writeArg(args[i]); |
| 56 | |
} |
| 57 | 52 | writer.write(")"); |
| 58 | 52 | } |
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|
| 60 | |
public void acceptMacro(String name, Object[] args) { |
| 61 | 13 | callDirective(name, args); |
| 62 | 13 | } |
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public void endMacro(String name, Object[] args) { |
| 65 | 39 | if (hadEnd) { |
| 66 | 7 | writer.write("#end"); |
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} else { |
| 68 | 32 | hadEnd = true; |
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} |
| 70 | 39 | } |
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|
| 72 | |
public void startMacro(String name, Object[] args) { |
| 73 | 39 | callDirective(name, args); |
| 74 | 39 | } |
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|
| 76 | |
public void acceptNewline(int count) { |
| 77 | 27 | checkEnd(count == 0); |
| 78 | 55 | for (int i = 0; i < count; i++) { |
| 79 | 28 | writer.write('\n'); |
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} |
| 81 | 27 | } |
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|
| 83 | |
public void acceptText(String text) { |
| 84 | 39 | checkEnd(true); |
| 85 | 39 | writer.write(text); |
| 86 | 39 | } |
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|
| 88 | |
public void acceptXml(String name, Map attributes) { |
| 89 | 0 | startXml(name, attributes); |
| 90 | 0 | } |
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| 92 | |
public void startXml(String name, Map attributes) { |
| 93 | 0 | checkEnd(false); |
| 94 | 0 | writer.write('#'); |
| 95 | 0 | writer.write(name); |
| 96 | 0 | writer.write('('); |
| 97 | 0 | writer.write('{'); |
| 98 | 0 | Iterator it = attributes.entrySet().iterator(); |
| 99 | 0 | while (it.hasNext()) { |
| 100 | 0 | Map.Entry entry = (Map.Entry) it.next(); |
| 101 | 0 | writeArg(entry.getKey()); |
| 102 | 0 | writer.write(": "); |
| 103 | 0 | writeArg(entry.getValue()); |
| 104 | 0 | if (it.hasNext()) writer.write(", "); |
| 105 | 0 | } |
| 106 | 0 | writer.write('}'); |
| 107 | 0 | writer.write(')'); |
| 108 | 0 | } |
| 109 | |
|
| 110 | |
public void endXml(String name, Map attributes) { |
| 111 | 0 | if (hadEnd) { |
| 112 | 0 | writer.write("#end"); |
| 113 | |
} else { |
| 114 | 0 | hadEnd = true; |
| 115 | |
} |
| 116 | 0 | } |
| 117 | |
|
| 118 | |
public void blockNewline() { |
| 119 | 12 | checkEnd(false); |
| 120 | 12 | writer.write('\n'); |
| 121 | 12 | } |
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| 123 | |
public void close() throws IOException { |
| 124 | 0 | checkEnd(false); |
| 125 | 0 | } |
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} |