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code for JSON Schema mapping patterns comparison

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irengrig
2016-02-17 19:58:21 +01:00
parent 9d337744db
commit 1fc7feaea7
2 changed files with 189 additions and 0 deletions
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json/src/com/jetbrains/jsonSchema/JsonSchemaPatternComparator.java
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/*
* Copyright 2000-2016 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 com.jetbrains.jsonSchema;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.BeforeAfter;
import com.intellij.util.ThreeState;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
/**
* @author Irina.Chernushina on 2/17/2016.
*/
public class JsonSchemaPatternComparator {
@NotNull
private final Project myProject;
public JsonSchemaPatternComparator(@NotNull Project project) {
myProject = project;
}
@NotNull
public ThreeState isSimilar(@NotNull JsonSchemaMappingsConfigurationBase.Item itemLeft,
@NotNull JsonSchemaMappingsConfigurationBase.Item itemRight) {
if (itemLeft.isPattern() != itemRight.isPattern()) return ThreeState.NO;
if (itemLeft.isPattern()) return comparePatterns(itemLeft, itemRight);
return comparePaths(itemLeft, itemRight);
}
private ThreeState comparePaths(JsonSchemaMappingsConfigurationBase.Item left, JsonSchemaMappingsConfigurationBase.Item right) {
final File leftFile = new File(myProject.getBasePath(), left.getPath());
final File rightFile = new File(myProject.getBasePath(), right.getPath());
if (left.isDirectory()) {
if (FileUtil.isAncestor(leftFile, rightFile, true)) return ThreeState.YES;
}
if (right.isDirectory()) {
if (FileUtil.isAncestor(rightFile, leftFile, true)) return ThreeState.YES;
}
return FileUtil.filesEqual(leftFile, rightFile) && left.isDirectory() == right.isDirectory() ? ThreeState.YES : ThreeState.NO;
}
private static ThreeState comparePatterns(JsonSchemaMappingsConfigurationBase.Item left, JsonSchemaMappingsConfigurationBase.Item right) {
if (left.getPath().equals(right.getPath())) return ThreeState.YES;
final BeforeAfter<String> beforeAfterLeft = getBeforeAfterAroundWildCards(left.getPath());
final BeforeAfter<String> beforeAfterRight = getBeforeAfterAroundWildCards(right.getPath());
if (beforeAfterLeft == null || beforeAfterRight == null) {
if (beforeAfterLeft == null && beforeAfterRight == null) return left.getPath().equals(right.getPath()) ? ThreeState.YES : ThreeState.NO;
if (beforeAfterLeft == null) {
return checkOneSideWithoutWildcard(left, beforeAfterRight);
}
return checkOneSideWithoutWildcard(right, beforeAfterLeft);
}
if (!StringUtil.isEmptyOrSpaces(beforeAfterLeft.getBefore()) && !StringUtil.isEmptyOrSpaces(beforeAfterRight.getBefore())) {
if (beforeAfterLeft.getBefore().startsWith(beforeAfterRight.getBefore()) ||
beforeAfterRight.getBefore().startsWith(beforeAfterLeft.getBefore())) {
return ThreeState.YES;
}
// otherwise they are different
return ThreeState.NO;
}
if (!StringUtil.isEmptyOrSpaces(beforeAfterLeft.getAfter()) && !StringUtil.isEmptyOrSpaces(beforeAfterRight.getAfter())) {
if (beforeAfterLeft.getAfter().endsWith(beforeAfterRight.getAfter()) ||
beforeAfterRight.getAfter().endsWith(beforeAfterLeft.getAfter())) {
return ThreeState.YES;
}
// otherwise they are different
return ThreeState.NO;
}
return ThreeState.UNSURE;
}
@NotNull
private static ThreeState checkOneSideWithoutWildcard(JsonSchemaMappingsConfigurationBase.Item item, BeforeAfter<String> beforeAfter) {
if (!StringUtil.isEmptyOrSpaces(beforeAfter.getBefore()) && item.getPath().startsWith(beforeAfter.getBefore())) {
return ThreeState.YES;
}
if (!StringUtil.isEmptyOrSpaces(beforeAfter.getAfter()) && item.getPath().endsWith(beforeAfter.getAfter())) {
return ThreeState.YES;
}
return ThreeState.UNSURE;
}
@Nullable
private static BeforeAfter<String> getBeforeAfterAroundWildCards(@NotNull final String pattern) {
final int firstIdx = pattern.indexOf('*');
final int lastIdx = pattern.lastIndexOf('*');
if (firstIdx < 0 || lastIdx < 0) return null;
return new BeforeAfter<>(pattern.substring(0, firstIdx), pattern.substring(lastIdx + 1, pattern.length()));
}
}
json/tests/test/com/jetbrains/jsonSchema/JsonSchemaPatternComparatorTest.java
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/*
* Copyright 2000-2016 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 com.jetbrains.jsonSchema;
import com.intellij.testFramework.fixtures.LightPlatformCodeInsightFixtureTestCase;
import com.intellij.util.ThreeState;
import org.jetbrains.annotations.NotNull;
import org.junit.Assert;
/**
* @author Irina.Chernushina on 2/17/2016.
*/
public class JsonSchemaPatternComparatorTest extends LightPlatformCodeInsightFixtureTestCase {
public void testPatterns() throws Exception {
final JsonSchemaPatternComparator comparator = new JsonSchemaPatternComparator(getProject());
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("test"), p("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("test"), p("tes*")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("tes*"), p("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("test"), p("*est")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("testwords"), p("test*words")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(p("testwords"), p("*test*words")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(p("*.abc"), p("*.cde")));
Assert.assertEquals(ThreeState.UNSURE, comparator.isSimilar(p("*.abc"), p("start.*")));
Assert.assertEquals(ThreeState.UNSURE, comparator.isSimilar(p("two*words"), p("circus")));
}
public void test2Files() throws Exception {
final JsonSchemaPatternComparator comparator = new JsonSchemaPatternComparator(getProject());
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(f("test"), f("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(f("./test"), f("test")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(f("../test"), f("test")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(f("other"), f("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(f("one/../one/two"), f("one/two")));
}
public void test2Dirs() throws Exception {
final JsonSchemaPatternComparator comparator = new JsonSchemaPatternComparator(getProject());
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d("test"), d("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d("./test"), d("test")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(d("../test"), d("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d(".."), d("test")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(d("another"), d("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d("test/child"), d("test")));
}
public void testDirAndFile() throws Exception {
final JsonSchemaPatternComparator comparator = new JsonSchemaPatternComparator(getProject());
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(d("test"), f("test")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d("test"), f("test/lower")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d("test"), f("./test/lower")));
Assert.assertEquals(ThreeState.YES, comparator.isSimilar(d(".."), f("test/lower")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(d("one"), f("test/lower")));
Assert.assertEquals(ThreeState.NO, comparator.isSimilar(d("one"), f("test")));
}
private static JsonSchemaMappingsConfigurationBase.Item p(@NotNull final String p) {
return new JsonSchemaMappingsConfigurationBase.Item(p, true, false);
}
private static JsonSchemaMappingsConfigurationBase.Item d(@NotNull final String d) {
return new JsonSchemaMappingsConfigurationBase.Item(d, false, true);
}
private static JsonSchemaMappingsConfigurationBase.Item f(@NotNull final String f) {
return new JsonSchemaMappingsConfigurationBase.Item(f, false, false);
}
}