/** Takes a string and hides its extension */
public static String hideExtension(final String str) {
String[] arr = str.split("\\.");
if (arr.length <= 1) return str; // there was no "." in str.
StringBuilder sb = new StringBuilder("");
for (int i = 0; i < arr.length - 1; ++i) {
if (sb.length() > 0) sb.append(".");
sb.append(arr[i]);
}
return sb.toString();
}
/**
* Convert all special tags in a string to local URL (e.g [sprite: NameOfPony] =>
* file://path/to/local/sprite.png); allowed special tags are: sprite, type, movetype
*
* @return The converted string
*/
public static String toLocalURL(final String msg) {
StringBuilder converted = new StringBuilder();
boolean parsingTag = false;
boolean inTagName = true;
StringBuilder tagName = new StringBuilder(10);
StringBuilder tagArg = new StringBuilder(30);
for (int i = 0; i < msg.length(); ++i) {
char c = msg.charAt(i);
switch (c) {
case '[':
if (!parsingTag) {
parsingTag = true;
} else {
if (inTagName) tagName.append(c);
else tagArg.append(c);
}
break;
case ']':
if (parsingTag) {
parsingTag = false;
converted.append(
convertLocalURLTag(tagName.toString().trim(), tagArg.toString().trim()));
tagName.setLength(0);
tagArg.setLength(0);
inTagName = true;
} else {
converted.append(c);
}
break;
case ':':
if (parsingTag) {
if (inTagName) inTagName = false;
else tagArg.append(c);
} else {
converted.append(c);
}
break;
default:
if (parsingTag) {
if (inTagName) tagName.append(c);
else tagArg.append(c);
} else {
converted.append(c);
}
}
}
return converted.toString();
}