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MetaList processing

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dfsek
2021-07-20 21:52:37 -07:00
parent 2373174132
commit 90e60ca6aa
1 changed files with 57 additions and 14 deletions
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71
common/implementation/src/main/java/com/dfsek/terra/config/preprocessor/MetaValuePreprocessor.java
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@@ -9,6 +9,9 @@ import com.dfsek.terra.api.config.meta.Meta;
import org.jetbrains.annotations.NotNull;
import java.lang.reflect.AnnotatedType;
import java.lang.reflect.ParameterizedType;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class MetaValuePreprocessor implements ValuePreprocessor<Meta> {
@@ -21,24 +24,64 @@ public class MetaValuePreprocessor implements ValuePreprocessor<Meta> {
@SuppressWarnings("unchecked")
@Override
public @NotNull <T> Result<T> process(AnnotatedType t, T c, ConfigLoader configLoader, Meta annotation) {
if(c instanceof String) {
if(c instanceof String) { // Can we do standard metaconfig?
String value = ((String) c).trim();
if(value.startsWith("$")) { // it's a meta value.
String raw = value.substring(1);
int sep = raw.indexOf(':');
String file = raw.substring(0, sep);
String key = raw.substring(sep + 1);
if(!configs.containsKey(file)) throw new LoadException("Cannot fetch metavalue: No such config: " + file);
Configuration config = configs.get(file);
if(!config.contains(key))
throw new LoadException("Cannot fetch metavalue: No such key " + key + " in configuration " + config.getName());
return (Result<T>) Result.overwrite(config.get(key));
return (Result<T>) Result.overwrite(getMetaValue(value.substring(1)));
}
}
if(t.getType() instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) t.getType();
if(parameterizedType.getRawType() instanceof Class) { // Should always be true but we check anyways
Class<?> baseClass = (Class<?>) parameterizedType.getRawType();
if(List.class.isAssignableFrom(baseClass) && c instanceof List) { // List metaconfig
List<Object> list = (List<Object>) c;
int offset = 0;
List<Object> newList = new ArrayList<>((List<Object>) c);
for(int i = 0; i < list.size(); i++) {
Object o = list.get(i);
if(!(o instanceof String)) continue;
String s = ((String) o).trim();
if(!s.startsWith("<< ")) continue;
String meta = s.substring(3);
Object metaValue = getMetaValue(meta);
if(!(metaValue instanceof List)) {
throw new LoadException("MetaList injection candidate must be list, is type " + metaValue.getClass().getCanonicalName());
}
List<Object> metaList = (List<Object>) metaValue;
newList.addAll(i + offset, metaList);
offset += metaList.size();
}
return (Result<T>) Result.overwrite(newList);
}
}
}
return Result.noOp();
}
private Object getMetaValue(String meta) {
int sep = meta.indexOf(':');
String file = meta.substring(0, sep);
String key = meta.substring(sep + 1);
if(!configs.containsKey(file)) throw new LoadException("Cannot fetch metavalue: No such config: " + file);
Configuration config = configs.get(file);
if(!config.contains(key)) {
throw new LoadException("Cannot fetch metavalue: No such key " + key + " in configuration " + config.getName());
}
return config.get(key);
}
}