KnarCraft/FFmpegConvert
KnarCraft/FFmpegConvert
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Finishes the parser. It should theoretically work now
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This commit is contained in:
Kristian Knarvik 2021-01-21 03:57:03 +01:00
parent 8fb32402c7
commit 8b0e394ac8
1 changed files with 27 additions and 7 deletions
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34
src/main/java/net/knarcraft/ffmpegconverter/utility/Parser.java
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@ -5,7 +5,9 @@ import net.knarcraft.ffmpegconverter.parser.ConverterArgumentValue;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A class to help with command parsing
@ -17,10 +19,10 @@ public final class Parser {
/**
* This function parses command inputs into understandable converter instructions
*
* @param tokens <p>A list of tokens containing all arguments</p>
* @return <p>A map with all parsed arguments.</p>
*/
private static void parse(List<String> tokens) {
private static Map<String, String> parse(List<String> tokens) {
String[] types = {"animeconverter", "audioconverter", "videoconverter"};
ConverterArgument[] commonArgs = {
new ConverterArgument("recursions", 'r', true, ConverterArgumentValue.INT),
@ -55,6 +57,11 @@ public final class Parser {
default:
throw new IllegalArgumentException("Unknown converter type chosen.");
}
Map<String, String> parsedArguments = new HashMap<>();
//TODO: Refactor and test this function
while (!tokens.isEmpty()) {
String currentToken = tokens.remove(0);
List<ConverterArgument> foundArguments;
@ -62,8 +69,8 @@ public final class Parser {
String argumentName = currentToken.substring(2);
foundArguments = ListUtil.getMatching(converterArguments, (item) -> item.getName().equals(argumentName));
} else if (currentToken.startsWith("-")) {
String argumentShorthand = currentToken.substring(1);
foundArguments = ListUtil.getMatching(converterArguments, (item) -> item.getName().equals(argumentShorthand));
char argumentShorthand = currentToken.substring(1).charAt(0);
foundArguments = ListUtil.getMatching(converterArguments, (item) -> item.getShorthand() == argumentShorthand);
} else {
throw new IllegalArgumentException("Unexpected value when not given an argument.");
}
@ -72,10 +79,23 @@ public final class Parser {
}
ConverterArgument foundArgument = foundArguments.get(0);
String argumentValue = tokens.get(0);
//TODO: Check if the value is an argument, and if not consume the value
//TODO: If the value is an argument, but a value is necessary, throw an error
//TODO: Store the found parameter values into a hashmap and send it to the converter as input
boolean valueIsArgument = argumentValue.startsWith("-");
if (valueIsArgument) {
if (foundArgument.isValueRequired()) {
throw new IllegalArgumentException(String.format("Argument %s requires a value, but no value was given.", foundArgument.getName()));
} else {
parsedArguments.put(foundArgument.getName(), "true");
}
} else {
String value = tokens.remove(0);
if (!foundArgument.testArgumentValue(value)) {
throw new IllegalArgumentException(String.format("Invalid value %s for argument %s.", value, foundArgument.getName()));
}
parsedArguments.put(foundArgument.getName(), value);
}
}
return parsedArguments;
}
/**