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- do not use RegExp based replacement when escaping

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- no StringBuilder creation in escape if no replacement needed
This commit is contained in:
Maxim.Mossienko
2012-02-13 16:03:42 +04:00
parent 870847783b
commit a095d4fb55
1 changed files with 5 additions and 3 deletions
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platform/util/src/com/intellij/openapi/util/text/StringUtil.java
+5 -3
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@@ -56,7 +56,7 @@ public class StringUtil {
@NotNull
public static String escapePattern(final @NotNull String text) {
return text.replace("'", "''").replace("{", "'{'");
return replace(replace(text, "'", "''"), "{", "'{'");
}
public static <T> Function<T, String> createToStringFunction(Class<T> cls) {
@@ -118,8 +118,9 @@ public class StringUtil {
final String text1 = ignoreCase ? text.toLowerCase() : text;
final String oldS1 = ignoreCase ? oldS.toLowerCase() : oldS;
final StringBuilder newText = new StringBuilder();
StringBuilder newText = null;
int i = 0;
while (i < text1.length()) {
int i1 = text1.indexOf(oldS1, i);
if (i1 < 0) {
@@ -129,12 +130,13 @@ public class StringUtil {
}
else {
if (newS == null) return null;
if (newText == null) newText = new StringBuilder();
newText.append(text, i, i1);
newText.append(newS);
i = i1 + oldS.length();
}
}
return newText.toString();
return newText!= null ? newText.toString():"";
}
@NotNull