rife2/rife2-template-renderers
rife2/rife2-template-renderers
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Added unicode support.

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This commit is contained in:
Erik C. Thauvin 2023-03-14 13:41:03 -07:00
parent 9d7316d7cb
commit de9351746b
1 changed files with 19 additions and 21 deletions
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40
lib/src/main/java/rife2/render/SwapCase.java
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@ -36,34 +36,32 @@ import rife.template.ValueRenderer;
public class SwapCase implements ValueRenderer { public class SwapCase implements ValueRenderer {
/** /**
* Swaps the case of a String. * Swaps the case of a String.
* @param s the String to swap the case of *
* @param src the String to swap the case of
* @return the modified String or null * @return the modified String or null
*/ */
public static String swapCase(String s) { public static String swapCase(final String src) {
if (s == null || s.isEmpty()) { if (src == null || src.isEmpty()) {
return s; return src;
} }
var buffer = s.toCharArray(); int offset = 0;
var whitespace = true; var len = src.length();
var buff = new int[len];
for (var i = 0; i < buffer.length; i++) { for (var i = 0; i < len; ) {
var ch = buffer[i]; int newCodePoint;
if (Character.isUpperCase(ch) || Character.isTitleCase(ch)) { var curCodePoint = src.codePointAt(i);
buffer[i] = Character.toLowerCase(ch); if (Character.isUpperCase(curCodePoint) || Character.isTitleCase(curCodePoint)) {
whitespace = false; newCodePoint = Character.toLowerCase(curCodePoint);
} else if (Character.isLowerCase(ch)) { } else if (Character.isLowerCase(curCodePoint)) {
if (whitespace) { newCodePoint = Character.toUpperCase(curCodePoint);
buffer[i] = Character.toTitleCase(ch);
whitespace = false;
} else {
buffer[i] = Character.toUpperCase(ch);
}
} else { } else {
whitespace = Character.isWhitespace(ch); newCodePoint = curCodePoint;
} }
buff[offset++] = newCodePoint;
i += Character.charCount(newCodePoint);
} }
return new String(buffer); return new String(buff, 0, offset);
} }
/** /**