/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.generator.impl;
import jetbrains.mps.generator.IGeneratorLogger;
import jetbrains.mps.generator.IGeneratorLogger.ProblemDescription;
import jetbrains.mps.generator.impl.DismissTopMappingRuleException.MessageType;
import jetbrains.mps.generator.runtime.GenerationException;
import jetbrains.mps.generator.runtime.TemplateContext;
import jetbrains.mps.util.SNodeOperations;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import java.util.Arrays;
public class GeneratorUtil {
@Nullable
public static ProblemDescription describeTemplateLocation(GenerationException ex) {
return ex == null || ex.getTemplateModelLocation() == null ? null : new ProblemDescription(ex.getTemplateModelLocation(),
String.format("template location: %s", ex.getTemplateModelLocation()));
}
@Nullable
public static ProblemDescription describeInput(TemplateContext ctx) {
return ctx == null ? null : describeIfExists(ctx.getInput(), "input node");
}
public static ProblemDescription describe(SNode node, String nodeRole) {
SNodeReference nr;
String msg;
if (node == null) {
nr = null;
msg = "null";
} else {
nr = node.getReference();
msg = SNodeOperations.getDebugText(node);
}
return new ProblemDescription(nr, String.format("was %s: %s", nodeRole, msg));
}
public static ProblemDescription describe(@Nullable SNodeReference node, String nodeRole) {
String msg;
if (node == null) {
msg = String.format("was %s: <unknown node reference>", nodeRole);
} else {
msg = String.format("was %s: %s", nodeRole, node.toString());
}
return new ProblemDescription(node, msg);
}
public static ProblemDescription describeIfExists(@Nullable SNodeReference node, String nodeRole) {
if (node == null) {
return null;
}
return describe(node, nodeRole);
}
public static ProblemDescription describeIfExists(SNode node, String nodeRole) {
if (node != null) {
return new ProblemDescription(node.getReference(), String.format("-- was %s: %s", nodeRole, SNodeOperations.getDebugText(node)));
}
return null;
}
public static void log(@NotNull IGeneratorLogger log, @NotNull SNodeReference templateNode, @Nullable MessageType messageType, @Nullable String text,
@Nullable ProblemDescription... extra) {
if (messageType == MessageType.error) {
log.error(templateNode, String.valueOf(text), extra);
} else if (messageType == MessageType.warning) {
log.warning(templateNode, String.valueOf(text), extra);
} else {
log.info(templateNode, String.valueOf(text));
}
}
public static <T> T[] concat(T[] arr1, T[] arr2) {
if (arr1 == null || arr1.length == 0) return arr2;
if (arr2 == null || arr2.length == 0) return arr1;
T[] result = Arrays.copyOf(arr1, arr1.length + arr2.length);
System.arraycopy(arr2, 0, result, arr1.length, arr2.length);
return result;
}
public static String getTemplateNodeId(SNode templateNode) {
return "tpl/" + templateNode.getModel().getModelId() + "/" + templateNode.getNodeId();
}
public static String compactNamespace(String ns) {
final String[] parts = ns.split("\\.");
if (parts.length < 5) {
return ns;
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 3; i++) {
sb.append(parts[i].charAt(0));
sb.append('.');
}
for (int i = 3; i < parts.length; i++) {
sb.append(parts[i]);
sb.append('.');
}
sb.setLength(sb.length() - 1);
return sb.toString();
}
}