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Make template remover more robust

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marktraceur pointed out that my previous code will fail at
{{echo|{}} which is, unsurprisingly, valid wikitext
This commit is contained in:
YuviPanda 2013-04-11 00:19:09 +05:30
parent 125275548f
commit 91e0f8cff2
1 changed files with 7 additions and 3 deletions
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10
commons/src/main/java/org/wikimedia/commons/modifications/TemplateRemoveModifier.java
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@ -12,6 +12,10 @@ public class TemplateRemoveModifier extends PageModifier {
public static final String PARAM_TEMPLATE_NAME = "template";
public static final Pattern PATTERN_TEMPLATE_OPEN = Pattern.compile("\\{\\{");
public static final Pattern PATTERN_TEMPLATE_CLOSE = Pattern.compile("\\}\\}");
public TemplateRemoveModifier(String templateName) {
super(MODIFIER_NAME);
try {
@ -39,13 +43,13 @@ public class TemplateRemoveModifier extends PageModifier {
Matcher matcher = templateStartPattern.matcher(pageContents);
while(matcher.find()) {
int braceCount = 2;
int braceCount = 1;
int startIndex = matcher.start();
int curIndex = matcher.end();
while(curIndex < pageContents.length()) {
if(pageContents.charAt(curIndex) == '{') {
if(PATTERN_TEMPLATE_OPEN.matcher(pageContents).find(curIndex)) {
braceCount++;
} else if(pageContents.charAt(curIndex) == '}') {
} else if(PATTERN_TEMPLATE_CLOSE.matcher(pageContents).find(curIndex)) {
braceCount--;
}
curIndex++;