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add parser for yaml files, check workspaces in pnpm-workspaces.yaml
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mmews
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Jan 3, 2024
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102 changes: 102 additions & 0 deletions
102
plugins/org.eclipse.n4js/src/org/eclipse/n4js/utils/YamlUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /** | ||
| * Copyright (c) 2024 NumberFour AG. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * NumberFour AG - Initial API and implementation | ||
| */ | ||
| package org.eclipse.n4js.utils; | ||
|
|
||
| import static com.google.common.base.Strings.isNullOrEmpty; | ||
| import static org.eclipse.n4js.utils.Strings.join; | ||
| import static org.eclipse.xtext.xbase.lib.IterableExtensions.filter; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.Arrays; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import org.apache.log4j.Logger; | ||
|
|
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| import com.google.common.collect.LinkedHashMultimap; | ||
| import com.google.common.collect.Multimap; | ||
|
|
||
| /** | ||
| * Utility for loading yaml files | ||
| */ | ||
| public class YamlUtil { | ||
| private final static Logger LOGGER = Logger.getLogger(YamlUtil.class); | ||
|
|
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| /** Loads a yaml file from the give location */ | ||
| static public Multimap<String, String> loadYamlAtLocation(Path path) { | ||
| try { | ||
| List<String> lines = Files.readAllLines(path, StandardCharsets.UTF_8); | ||
| return loadYamlFromLines(lines); | ||
|
|
||
| } catch (IOException e) { | ||
| LOGGER.error("Could not load " + path.toString(), e); | ||
| } | ||
| return LinkedHashMultimap.create(); | ||
| } | ||
|
|
||
| /** Loads yaml content from the given string */ | ||
| static public Multimap<String, String> loadYamlFromString(String str) { | ||
| return loadYamlFromLines(Arrays.asList(str.split("\n"))); | ||
| } | ||
|
|
||
| /** Loads yaml content from the given lines */ | ||
| static public Multimap<String, String> loadYamlFromLines(List<String> lines) { | ||
| Multimap<String, String> result = LinkedHashMultimap.create(); | ||
| Map<Integer, String> stack = new LinkedHashMap<>(); | ||
| for (String line : lines) { | ||
| if (line.startsWith("---") || line.startsWith("#")) { | ||
| continue; | ||
| } | ||
| int commentIdx = line.indexOf("#"); | ||
| if (commentIdx >= 0) { | ||
| line = line.substring(0, commentIdx); | ||
| } | ||
| int leadingSpaces = line.indexOf(line.trim()); | ||
| line = line.trim(); | ||
|
|
||
| if (line.startsWith("-")) { | ||
| line = line.substring(1).trim(); | ||
| } | ||
| int propNameIdx = line.indexOf(":"); | ||
| if (propNameIdx >= 0) { | ||
| String propName = line.substring(0, propNameIdx).trim(); | ||
|
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| stack.put(leadingSpaces, propName); | ||
| stack.keySet().removeIf(k -> k > leadingSpaces); | ||
|
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| String value = line.substring(propNameIdx + 1).trim(); | ||
| if (!isNullOrEmpty(value)) { | ||
| value = trimQuotes(value); | ||
| String qpn = join(":", stack.values()); | ||
| result.put(qpn, value); | ||
| } | ||
| } else { | ||
| line = trimQuotes(line); | ||
| String qpn = join(":", e -> e.getValue(), filter(stack.entrySet(), e -> e.getKey() <= leadingSpaces)); | ||
| result.put(qpn, line); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
|
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| static private String trimQuotes(String str) { | ||
| if (str.startsWith("\"") && str.endsWith("\"")) { | ||
| return str.substring(1, str.length() - 1); // no trim | ||
| } else if (str.startsWith("'") && str.endsWith("'")) { | ||
| return str.substring(1, str.length() - 1); // no trim | ||
| } | ||
| return str; | ||
| } | ||
| } |
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