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Add java argument parser

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This commit is contained in:
SerpentSpirale 2021-08-10 11:40:17 +02:00
parent ffbc5599b5
commit c967815df0
1 changed files with 33 additions and 0 deletions
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33
app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
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@ -346,6 +346,39 @@ public class JREUtils
}
return exitCode;
}
/**
* Parse and separate java arguments in a user friendly fashion
* It supports multi line and absence of spaces between arguments
* The function also supports auto-removal of improper arguments.
*
* @param args The un-parsed argument list.
* @return Parsed args as an ArrayList
*/
public static ArrayList<String> parseJavaArguments(String args){
ArrayList<String> parsedArguments = new ArrayList<>(0);
args = args.trim().replace(" ", "");
//For each prefixes, we separate args.
for(String prefix : new String[]{"-XX:-","-XX:+", "-XX:","-"}){
while (true){
int start = args.indexOf(prefix);
if(start == -1) break;
//Get the end of the current argument
int end = args.indexOf("-", start + prefix.length());
if(end == -1) end = args.length();
//Extract it
String parsedSubString = args.substring(start, end);
args = args.replace(parsedSubString, "");
//Check if two args aren't bundled together by mistake
if(parsedSubString.indexOf('=') == parsedSubString.lastIndexOf('='))
parsedArguments.add(args.substring(start,end));
else Log.w("JAVA ARGS PARSER", "Removed improper arguments: " + parsedSubString);
}
}
return parsedArguments;
}
private static void purgeArg(List<String> argList, String argStart) {
for(int i = 0; i < argList.size(); i++) {
final String arg = argList.get(i);