diff options
Diffstat (limited to 'org.eclipse.ui.examples.javaeditor/Eclipse Java Editor Example/org/eclipse/ui/examples/javaeditor/java/JavaCodeScanner.java')
| -rw-r--r-- | org.eclipse.ui.examples.javaeditor/Eclipse Java Editor Example/org/eclipse/ui/examples/javaeditor/java/JavaCodeScanner.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/org.eclipse.ui.examples.javaeditor/Eclipse Java Editor Example/org/eclipse/ui/examples/javaeditor/java/JavaCodeScanner.java b/org.eclipse.ui.examples.javaeditor/Eclipse Java Editor Example/org/eclipse/ui/examples/javaeditor/java/JavaCodeScanner.java new file mode 100644 index 00000000000..fe88175eb2f --- /dev/null +++ b/org.eclipse.ui.examples.javaeditor/Eclipse Java Editor Example/org/eclipse/ui/examples/javaeditor/java/JavaCodeScanner.java @@ -0,0 +1,77 @@ +package org.eclipse.ui.examples.javaeditor.java;
+
+/*
+ * (c) Copyright IBM Corp. 2000, 2001.
+ * All Rights Reserved.
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+import org.eclipse.jface.text.TextAttribute;
+import org.eclipse.jface.text.rules.EndOfLineRule;
+import org.eclipse.jface.text.rules.IRule;
+import org.eclipse.jface.text.rules.IToken;
+import org.eclipse.jface.text.rules.RuleBasedScanner;
+import org.eclipse.jface.text.rules.SingleLineRule;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WhitespaceRule;
+import org.eclipse.jface.text.rules.WordRule;
+import org.eclipse.ui.examples.javaeditor.util.JavaColorProvider;
+import org.eclipse.ui.examples.javaeditor.util.JavaWhitespaceDetector;
+import org.eclipse.ui.examples.javaeditor.util.JavaWordDetector;
+
+/**
+ * A Java code scanner.
+ */
+public class JavaCodeScanner extends RuleBasedScanner {
+
+ private static String[] fgKeywords= { "abstract", "break", "case", "catch", "class", "continue", "default", "do", "else", "extends", "final", "finally", "for", "if", "implements", "import", "instanceof", "interface", "native", "new", "package", "private", "protected", "public", "return", "static", "super", "switch", "synchronized", "this", "throw", "throws", "transient", "try", "volatile", "while" }; //$NON-NLS-36$ //$NON-NLS-35$ //$NON-NLS-34$ //$NON-NLS-33$ //$NON-NLS-32$ //$NON-NLS-31$ //$NON-NLS-30$ //$NON-NLS-29$ //$NON-NLS-28$ //$NON-NLS-27$ //$NON-NLS-26$ //$NON-NLS-25$ //$NON-NLS-24$ //$NON-NLS-23$ //$NON-NLS-22$ //$NON-NLS-21$ //$NON-NLS-20$ //$NON-NLS-19$ //$NON-NLS-18$ //$NON-NLS-17$ //$NON-NLS-16$ //$NON-NLS-15$ //$NON-NLS-14$ //$NON-NLS-13$ //$NON-NLS-12$ //$NON-NLS-11$ //$NON-NLS-10$ //$NON-NLS-9$ //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$
+
+ private static String[] fgTypes= { "void", "boolean", "char", "byte", "short", "int", "long", "float", "double" }; //$NON-NLS-1$ //$NON-NLS-5$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-8$ //$NON-NLS-9$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-2$
+
+ private static String[] fgConstants= { "false", "null", "true" }; //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$
+
+ private TextAttribute fComment;
+ private TextAttribute fKeyword;
+ private TextAttribute fType;
+ private TextAttribute fString;
+ private JavaColorProvider fColorProvider;
+
+ /**
+ * Creates a Java code scanner
+ */
+ public JavaCodeScanner(JavaColorProvider provider) {
+
+ IToken keyword= new Token(new TextAttribute(provider.getColor(JavaColorProvider.KEYWORD)));
+ IToken type= new Token(new TextAttribute(provider.getColor(JavaColorProvider.TYPE)));
+ IToken string= new Token(new TextAttribute(provider.getColor(JavaColorProvider.STRING)));
+ IToken comment= new Token(new TextAttribute(provider.getColor(JavaColorProvider.SINGLE_LINE_COMMENT)));
+ IToken other= new Token(new TextAttribute(provider.getColor(JavaColorProvider.DEFAULT)));
+
+ List rules= new ArrayList();
+
+ // Add rule for single line comments.
+ rules.add(new EndOfLineRule("//", comment)); //$NON-NLS-1$
+
+ // Add rule for strings and character constants.
+ rules.add(new SingleLineRule("\"", "\"", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
+ rules.add(new SingleLineRule("'", "'", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
+
+ // Add generic whitespace rule.
+ rules.add(new WhitespaceRule(new JavaWhitespaceDetector()));
+
+ // Add word rule for keywords, types, and constants.
+ WordRule wordRule= new WordRule(new JavaWordDetector(), other);
+ for (int i= 0; i < fgKeywords.length; i++)
+ wordRule.addWord(fgKeywords[i], keyword);
+ for (int i= 0; i < fgTypes.length; i++)
+ wordRule.addWord(fgTypes[i], type);
+ for (int i= 0; i < fgConstants.length; i++)
+ wordRule.addWord(fgConstants[i], type);
+ rules.add(wordRule);
+
+ IRule[] result= new IRule[rules.size()];
+ rules.toArray(result);
+ setRules(result);
+ }
+}
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