Add JS

app/src/main/java/org/mian/gitnex/helpers/codeeditor/languages/JavaScriptLanguage.java

@@ -0,0 +1,122 @@
+package org.mian.gitnex.helpers.codeeditor.languages;
+
+import com.amrdeveloper.codeview.Code;
+import com.amrdeveloper.codeview.Keyword;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+/**
+ * @author qwerty287
+ */
+public class JavaScriptLanguage extends Language {
+
+	private static final Pattern PATTERN_BUILTINS = Pattern.compile("[,:;[->]{}()]");
+	private static final Pattern PATTERN_SINGLE_LINE_COMMENT = Pattern.compile("//[^\\n]*");
+	private static final Pattern PATTERN_MULTI_LINE_COMMENT =
+			Pattern.compile("/\\*[^*]*\\*+(?:[^/*][^*]*\\*+)*/");
+	private static final Pattern PATTERN_ATTRIBUTE = Pattern.compile("\\.[a-zA-Z0-9_]+");
+	private static final Pattern PATTERN_OPERATION =
+			Pattern.compile(
+					":|==|>|<|!=|>=|<=|->|=|>|<|%|-|-=|%=|\\+|\\-|\\-=|\\+=|\\^|\\&|\\|::|\\?|\\*");
+	private static final Pattern PATTERN_TODO_COMMENT =
+			Pattern.compile("//\\s?(TODO|todo)\\s[^\n]*");
+	private static final Pattern PATTERN_NUMBERS = Pattern.compile("\\b(\\d*[.]?\\d+)\\b");
+	private static final Pattern PATTERN_CHAR = Pattern.compile("['](.*?)[']");
+	private static final Pattern PATTERN_STRING = Pattern.compile("[\"](.*?)[\"]");
+	private static final Pattern PATTERN_HEX = Pattern.compile("0x[0-9a-fA-F]+");
+
+	public static String getCommentStart() {
+		return "//";
+	}
+
+	public static String getCommentEnd() {
+		return "";
+	}
+
+	@Override
+	public Pattern getPattern(LanguageElement element) {
+		switch (element) {
+			case KEYWORD:
+				return Pattern.compile("\\b(" + String.join("|", getKeywords()) + ")\\b");
+			case BUILTIN:
+				return PATTERN_BUILTINS;
+			case NUMBER:
+				return PATTERN_NUMBERS;
+			case CHAR:
+				return PATTERN_CHAR;
+			case STRING:
+				return PATTERN_STRING;
+			case HEX:
+				return PATTERN_HEX;
+			case SINGLE_LINE_COMMENT:
+				return PATTERN_SINGLE_LINE_COMMENT;
+			case MULTI_LINE_COMMENT:
+				return PATTERN_MULTI_LINE_COMMENT;
+			case ATTRIBUTE:
+				return PATTERN_ATTRIBUTE;
+			case OPERATION:
+				return PATTERN_OPERATION;
+			case TODO_COMMENT:
+				return PATTERN_TODO_COMMENT;
+			case ANNOTATION:
+			case GENERIC:
+			default:
+				return null;
+		}
+	}
+
+	@Override
+	public String[] getKeywords() {
+		return new String[] {
+		"abstract", "arguments", "boolean", "break",
+		"byte", "case", "catch", "char",
+"const", "continue", "debugger", "default",
+		"delete", "do", "double", "else",
+		"eval", "false", "final", "finally",
+		"float", "for", "function", "goto",
+		"if", "implements", "in", "instanceof",
+			"int", "interface", "let", "long",
+		"native", "new", "null", "package",
+		"private", "protected", "public", "return",
+		"short", "static", "switch", "synchronized",
+		"this", "throw", "throws", "transient",
+		"true", "try", "typeof", "var",
+		"void", "volatile", "while", "with",
+			"yield",
+		"class", "enum", "export", "extends",
+"import", "super"
+		};
+	}
+
+	@Override
+	public List<Code> getCodeList() {
+		List<Code> codeList = new ArrayList<>();
+		String[] keywords = getKeywords();
+		for (String keyword : keywords) {
+			codeList.add(new Keyword(keyword));
+		}
+		return codeList;
+	}
+
+	@Override
+	public String getName() {
+		return "JavaScript";
+	}
+
+	@Override
+	public Set<Character> getIndentationStarts() {
+		Set<Character> characterSet = new HashSet<>();
+		characterSet.add('{');
+		return characterSet;
+	}
+
+	@Override
+	public Set<Character> getIndentationEnds() {
+		Set<Character> characterSet = new HashSet<>();
+		characterSet.add('}');
+		return characterSet;
+	}
+}

app/src/main/java/org/mian/gitnex/helpers/codeeditor/languages/Language.java

@@ -29,7 +29,8 @@ public abstract class Language {
 						new GoLanguage(),
 						new PhpLanguage(),
 						new XmlLanguage(),
-						new HtmlLanguage()
+						new HtmlLanguage(),
+						new JavaScriptLanguage()
 					};
 			for (Language l : languagesArray) {
 				languages.put(l.getName().toUpperCase(), l);