[Dashg-commit] SF.net SVN: dashg:[30] trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils. java

[<dbr...@us...>]

Revision: 30
          http://dashg.svn.sourceforge.net/dashg/?rev=30&view=rev
Author:   dbrosius
Date:     2008-10-28 19:24:51 +0000 (Tue, 28 Oct 2008)

Log Message:
-----------
some signature parsing utils

Added Paths:
-----------
    trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils.java

Added: trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils.java
===================================================================
--- trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils.java	                        (rev 0)
+++ trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils.java	2008-10-28 19:24:51 UTC (rev 30)
@@ -0,0 +1,114 @@
+/*
+ * dashg - A debug symbols (-g) injector
+ * Copyright (C) 2008 Dave Brosius
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+package com.mebigfatguy.dashg;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.objectweb.asm.Opcodes;
+
+public final class DashGUtils {
+	private DashGUtils() {
+	}
+	
+	public static String getAttribute(int access) {
+		StringBuilder sb = new StringBuilder();
+		if ((access & Opcodes.ACC_PUBLIC) != 0) {
+			sb.append("public ");
+		} else if ((access & Opcodes.ACC_PRIVATE) != 0) {
+			sb.append("private ");
+		} else if ((access & Opcodes.ACC_PROTECTED) != 0) {
+			sb.append("protected ");
+		}
+		
+		if ((access & Opcodes.ACC_STATIC) != 0) {
+			sb.append("static ");
+		} else if ((access & Opcodes.ACC_ABSTRACT) != 0) {
+			sb.append("abstract ");
+		}
+		
+		if ((access & Opcodes.ACC_FINAL) != 0) {
+			sb.append("final ");
+		} 
+		
+		return sb.toString();
+	}
+	
+	public static String convertType(String type) {
+		char c = type.charAt(0);
+		switch (c) {
+			case 'L':
+				return type.substring(1, type.indexOf(';')).replace('/', '.');
+			case '[':
+				return convertType(type.substring(1)) + "[]";
+			case 'C':
+				return "char";
+			case 'B':
+				return "byte";
+			case 'S':
+				return "short";
+			case 'I':
+				return "int";
+			case 'J':
+				return "long";
+			case 'F':
+				return "float";
+			case 'D':
+				return "double";
+			case 'Z':
+				return "boolean";
+			case 'V':
+				return "void";
+		}
+		throw new RuntimeException("Type not processed: " + type);
+	}
+	
+	public static String getReturn(String desc) {
+		int rParenPos = desc.lastIndexOf(')');
+		String type = desc.substring(rParenPos+1);
+		return convertType(type);
+	}
+	
+	public static List<String> getArguments(String desc) {
+		int lParenPos = desc.indexOf('(');
+		int rParenPos = desc.lastIndexOf(')');
+		String argString = desc.substring(lParenPos+1, rParenPos);
+		
+		List<String> args = new ArrayList<String>();
+		while (argString.length() > 0) {
+			args.add(convertType(argString));
+			argString = skipType(argString);
+		}
+		
+		return args;
+	}
+	
+	public static String skipType(String type) {
+		if (type.length() == 0)
+			return type;
+		
+		if (type.charAt(0) == '[')
+			return skipType(type.substring(1));
+		
+		if (type.charAt(0) == 'L')
+			return type.substring(type.indexOf(';') + 1);
+			
+		return type.substring(1);
+	}
+}


Property changes on: trunk/dashg/src/com/mebigfatguy/dashg/DashGUtils.java
___________________________________________________________________
Added: svn:mime-type
   + text/plain
Added: svn:eol-style
   + native


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