intial source from ttp://www.sf.net/projects/wdte

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.js.core / src / net / sourceforge / phpeclipse / js / core / parser / JSSyntaxScanner.java

diff --git a/archive/net.sourceforge.phpeclipse.js.core/src/net/sourceforge/phpeclipse/js/core/parser/JSSyntaxScanner.java b/archive/net.sourceforge.phpeclipse.js.core/src/net/sourceforge/phpeclipse/js/core/parser/JSSyntaxScanner.java
new file mode 100644 (file)
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+++ b/archive/net.sourceforge.phpeclipse.js.core/src/net/sourceforge/phpeclipse/js/core/parser/JSSyntaxScanner.java
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+/*
+ * Created on May 16, 2003
+ *========================================================================
+ * Modifications history
+ *========================================================================
+ * $Log: not supported by cvs2svn $
+ * Revision 1.1  2004/02/26 02:25:42  agfitzp
+ * renamed packages to match xml & css
+ *
+ * Revision 1.1  2004/02/05 03:10:08  agfitzp
+ * Initial Submission
+ *
+ * Revision 1.1.2.1  2003/12/12 21:37:24  agfitzp
+ * Experimental work for Classes view
+ *
+ * Revision 1.2  2003/05/30 20:53:09  agfitzp
+ * 0.0.2 : Outlining is now done as the user types. Some other bug fixes.
+ *
+ *========================================================================
+ */
+package net.sourceforge.phpeclipse.js.core.parser;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.eclipse.jface.text.rules.*;
+
+/**
+ * Scanner for detecting syntactic elements: comments, strings, classes, functions
+ *
+ * @author fitzpata
+ *
+ */
+public class JSSyntaxScanner extends BufferedRuleBasedScanner {
+       public final static String JS_DEFAULT = "__js_default";
+       public final static String JS_COMMENT = "__js_comment";
+       public final static String JS_FUNCTION = "__js_function";
+       public final static String JS_STRING = "__js_string";
+       public final static String JS_MEMBER = "__js_member";
+       public final static String JS_PERIOD = "__js_period";
+
+       public final static IToken TOKEN_STRING = new Token(JS_STRING);
+       public final static IToken TOKEN_COMMENT = new Token(JS_COMMENT);
+       public final static IToken TOKEN_DEFAULT = new Token(JS_DEFAULT);
+       public final static IToken TOKEN_FUNCTION = new Token(JS_FUNCTION);
+       public final static IToken TOKEN_MEMBER = new Token(JS_MEMBER);
+       public final static IToken TOKEN_PERIOD = new Token(JS_PERIOD);
+
+       /**
+        * String for detecting member declarations.
+        */
+       private static String memberToken=  ".prototype";
+
+       /**
+        * Creates a new JSSyntaxScanner object.
+        */
+       public JSSyntaxScanner() {
+               List rules = new ArrayList();
+
+               rules.add(new MultiLineRule("/*", "*/", TOKEN_COMMENT));
+               rules.add(new SingleLineRule("//", "", TOKEN_COMMENT));
+               rules.add(new SingleLineRule("\"", "\"", TOKEN_STRING, '\\'));
+               rules.add(new SingleLineRule("'", "'", TOKEN_STRING, '\\'));
+               
+               rules.add(new WhitespaceRule(new JSWhitespaceDetector()));
+               
+               rules.add(new MultiLineRule("function(", ")", TOKEN_FUNCTION));
+               rules.add(new MultiLineRule("function ", ")", TOKEN_FUNCTION));
+
+               rules.add(new WordRule(new JSWordDetector(), TOKEN_DEFAULT));
+               rules.add(new PredicateWordRule(new JSReferenceDetector(), memberToken, TOKEN_MEMBER));
+               
+               setRuleList(rules);
+       }
+
+
+       /**
+        * set the rule list
+        * @param rules
+        */
+       private void setRuleList(List rules)
+       {
+               IRule[] result = new IRule[rules.size()];
+               rules.toArray(result);
+               setRules(result);
+       }
+}
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