| /* |
| * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.corba.se.idl.toJavaPortable ; |
| |
| import com.sun.tools.corba.se.idl.toJavaPortable.NameModifier ; |
| |
| public class NameModifierImpl implements NameModifier { |
| private String prefix ; |
| private String suffix ; |
| |
| public NameModifierImpl( ) |
| { |
| this.prefix = null ; |
| this.suffix = null ; |
| } |
| |
| public NameModifierImpl( String prefix, String suffix ) |
| { |
| this.prefix = prefix ; |
| this.suffix = suffix ; |
| } |
| |
| /** Construct a NameModifier from a pattern of the form xxx%xxx. |
| * The pattern must consist of characters chosen from the |
| * set [A-Za-z0-9%$_]. In addition, the pattern must contain |
| * exactly one % character. Finally, if % is not the first char in |
| * the pattern, the pattern must not start with a number. |
| * <p> |
| * The semantics of makeName are very simply: just replace the |
| * % character with the base in the pattern and return the result. |
| */ |
| public NameModifierImpl( String pattern ) |
| { |
| int first = pattern.indexOf( '%' ) ; |
| int last = pattern.lastIndexOf( '%' ) ; |
| |
| if (first != last) |
| throw new IllegalArgumentException( |
| Util.getMessage( "NameModifier.TooManyPercent" ) ) ; |
| |
| if (first == -1) |
| throw new IllegalArgumentException( |
| Util.getMessage( "NameModifier.NoPercent" ) ) ; |
| |
| for (int ctr = 0; ctr<pattern.length(); ctr++) { |
| char ch = pattern.charAt( ctr ) ; |
| if (invalidChar( ch, ctr==0 )) { |
| char[] chars = new char[] { ch } ; |
| throw new IllegalArgumentException( |
| Util.getMessage( "NameModifier.InvalidChar", |
| new String( chars )) ) ; |
| } |
| } |
| |
| // at this point, 0 <= first && first < pattern.length() |
| prefix = pattern.substring( 0, first ) ; |
| suffix = pattern.substring( first+1 ) ; |
| } |
| |
| /** Return true if ch is invalid as a character in an |
| * identifier. If ch is a number, it is invalid only if |
| * isFirst is true. |
| */ |
| private boolean invalidChar( char ch, boolean isFirst ) |
| { |
| if (('A'<=ch) && (ch<='Z')) |
| return false ; |
| else if (('a'<=ch) && (ch<='z')) |
| return false ; |
| else if (('0'<=ch) && (ch<='9')) |
| return isFirst ; |
| else if (ch=='%') |
| return false ; |
| else if (ch=='$') |
| return false ; |
| else if (ch=='_') |
| return false ; |
| else |
| return true ; |
| } |
| |
| public String makeName( String base ) |
| { |
| StringBuffer sb = new StringBuffer() ; |
| |
| if (prefix != null) |
| sb.append( prefix ) ; |
| |
| sb.append( base ) ; |
| |
| if (suffix != null) |
| sb.append( suffix ) ; |
| |
| return sb.toString() ; |
| } |
| } |