vcs-ignore: add default highlighter for ignore language

GitOrigin-RevId: 5a85a71c14013b1c37e22e9cba0e3a5d1e822aa4

platform/platform-resources/src/componentSets/VCS.xml

@@ -99,6 +99,9 @@
     <lang.parserDefinition language="IgnoreLang"
                            implementationClass="com.intellij.openapi.vcs.changes.ignore.lang.IgnoreParserDefinition"/>
 
+    <lang.syntaxHighlighterFactory language="IgnoreLang"
+                                   implementationClass="com.intellij.openapi.vcs.changes.ignore.lang.IgnoreLanguageHighlighterFactory"/>
+
     <localInspection
         bundle="messages.VcsBundle"
         enabledByDefault="true"

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ignore/lang/IgnoreLanguageHighlighter.java

@@ -0,0 +1,70 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 hsz Jakub Chrzanowski <jakub@hsz.mobi>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.intellij.openapi.vcs.changes.ignore.lang;
+
+import com.intellij.lexer.Lexer;
+import com.intellij.openapi.editor.DefaultLanguageHighlighterColors;
+import com.intellij.openapi.editor.colors.TextAttributesKey;
+import com.intellij.openapi.fileTypes.SyntaxHighlighterBase;
+import com.intellij.openapi.vcs.changes.ignore.lexer.IgnoreLexerAdapter;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.tree.IElementType;
+import com.intellij.util.containers.hash.HashMap;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Map;
+
+/**
+ * Syntax highlighter definition for {@link IgnoreLanguage}.
+ */
+public class IgnoreLanguageHighlighter extends SyntaxHighlighterBase {
+
+  @Nullable
+  private final VirtualFile currentHighlightedFile;
+
+  private static final Map<IElementType, TextAttributesKey> ATTRIBUTES = new HashMap<>();
+
+  /* Binds parser definitions with highlighter colors. */
+  static {
+    SyntaxHighlighterBase.fillMap(ATTRIBUTES, IgnoreParserDefinition.COMMENTS, DefaultLanguageHighlighterColors.LINE_COMMENT);
+  }
+
+  public IgnoreLanguageHighlighter(@Nullable VirtualFile currentHighlightedFile) {
+    this.currentHighlightedFile = currentHighlightedFile;
+  }
+
+  @NotNull
+  @Override
+  public Lexer getHighlightingLexer() {
+    return new IgnoreLexerAdapter(currentHighlightedFile);
+  }
+
+  @NotNull
+  @Override
+  public TextAttributesKey[] getTokenHighlights(IElementType tokenType) {
+    return pack(ATTRIBUTES.get(tokenType));
+  }
+}

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ignore/lang/IgnoreLanguageHighlighterFactory.java

@@ -0,0 +1,40 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 hsz Jakub Chrzanowski <jakub@hsz.mobi>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.intellij.openapi.vcs.changes.ignore.lang;
+
+import com.intellij.openapi.fileTypes.SyntaxHighlighter;
+import com.intellij.openapi.fileTypes.SyntaxHighlighterFactory;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.VirtualFile;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class IgnoreLanguageHighlighterFactory extends SyntaxHighlighterFactory {
+  @NotNull
+  @Override
+  public SyntaxHighlighter getSyntaxHighlighter(@Nullable Project project, @Nullable VirtualFile virtualFile) {
+    return new IgnoreLanguageHighlighter(virtualFile);
+  }
+}