jtulach@165: /**
jtulach@165:  * Back 2 Browser Bytecode Translator
jtulach@165:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jtulach@165:  *
jtulach@165:  * This program is free software: you can redistribute it and/or modify
jtulach@165:  * it under the terms of the GNU General Public License as published by
jtulach@165:  * the Free Software Foundation, version 2 of the License.
jtulach@165:  *
jtulach@165:  * This program is distributed in the hope that it will be useful,
jtulach@165:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jtulach@165:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jtulach@165:  * GNU General Public License for more details.
jtulach@165:  *
jtulach@165:  * You should have received a copy of the GNU General Public License
jtulach@165:  * along with this program. Look for COPYING file in the top folder.
jtulach@165:  * If not, see http://opensource.org/licenses/GPL-2.0.
jtulach@162:  */
jtulach@162: package org.apidesign.vm4brwsr;
jtulach@162: 
jtulach@162: /**
jtulach@162:  *
jtulach@162:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jtulach@162:  */
jtulach@162: class StringArray {
jtulach@162:     private String[] arr;
jtulach@162: 
jtulach@162:     public StringArray() {
jtulach@162:     }
jtulach@162: 
jtulach@162:     private StringArray(String[] arr) {
jtulach@162:         this.arr = arr;
jtulach@162:     }
jtulach@162:     
jtulach@162:     public void add(String s) {
jtulach@162:         if (arr == null) {
jtulach@162:             arr = new String[1];
jtulach@162:         } else {
jtulach@162:             String[] tmp = new String[arr.length + 1];
jtulach@162:             for (int i = 0; i < arr.length; i++) {
jtulach@162:                 tmp[i] = arr[i];
jtulach@162:             }
jtulach@162:             arr = tmp;
jtulach@162:         }
jtulach@162:         arr[arr.length - 1] = s;
jtulach@162:     }
jaroslav@874: 
jaroslav@874:     StringArray addAndNew(String... values) {
jaroslav@874:         int j;
jaroslav@874:         String[] tmp;
jaroslav@874:         if (arr == null) {
jaroslav@874:             tmp = new String[values.length];
jaroslav@874:             j = 0;
jaroslav@874:         } else {
jaroslav@874:             tmp = new String[arr.length + values.length];
jaroslav@874:             for (int i = 0; i < arr.length; i++) {
jaroslav@874:                 tmp[i] = arr[i];
jaroslav@874:             }
jaroslav@874:             j = arr.length;
jaroslav@874:         }
jaroslav@874:         for (int i = 0; i < values.length;) {
jaroslav@874:             tmp[j++] = values[i++];
jaroslav@874:         }
jaroslav@874:         return new StringArray(tmp);
jaroslav@874:     }
jtulach@162:     
jtulach@162:     public String[] toArray() {
jtulach@162:         return arr == null ? new String[0] : arr;
jtulach@162:     }
jtulach@162:     
jaroslav@272:     static StringArray asList(String... names) {
jtulach@162:         return new StringArray(names);
jtulach@162:     }
jtulach@162: 
jtulach@162:     void reverse() {
jtulach@162:         for (int i = 0, j = arr.length; i < j; i++) {
jtulach@162:             String s = arr[i];
jtulach@162:             arr[i] = arr[--j];
jtulach@162:             arr[j] = s;
jtulach@162:         }
jtulach@162:     }
jtulach@162: 
jtulach@162:     boolean contains(String n) {
jtulach@162:         if (arr == null) {
jtulach@162:             return false;
jtulach@162:         }
jtulach@162:         for (int i = 0; i < arr.length; i++) {
jtulach@162:             if (n.equals(arr[i])) {
jtulach@162:                 return true;
jtulach@162:             }
jtulach@162:         }
jtulach@162:         return false;
jtulach@162:     }
jtulach@162: 
jtulach@162:     void delete(int indx) {
Martin@243:         if (arr == null || indx < 0 || indx >= arr.length) {
jtulach@162:             return;
jtulach@162:         }
jtulach@162:         String[] tmp = new String[arr.length - 1];
jtulach@162:         for (int i = 0, j = 0; i < arr.length; i++) {
Martin@243:             if (i != indx) {
Martin@243:                 tmp[j++] = arr[i];
jtulach@162:             }
jtulach@162:         }
Martin@243:         arr = tmp;
jtulach@162:     }
jaroslav@1587:     void remove(String item) {
jaroslav@1587:         int f = indexOf(item);
jaroslav@1587:         if (f != -1) {
jaroslav@1587:             delete(f);
jaroslav@1587:         }
jaroslav@1587:     }
jtulach@162: 
jtulach@162:     int indexOf(String ic) {
jaroslav@1457:         if (arr != null) for (int i = 0; i < arr.length; i++) {
jtulach@162:             if (ic.equals(arr[i])) {
jtulach@162:                 return i;
jtulach@162:             }
jtulach@162:         }
jtulach@162:         return -1;
jtulach@162:     }
jaroslav@1455: 
jaroslav@1466:     String getAndClear(int count, boolean clear) {
jaroslav@1455:         String s = arr[count];
jaroslav@1466:         if (clear) {
jaroslav@1466:             arr[count] = null;
jaroslav@1466:         }
jaroslav@1455:         return s;
jaroslav@1455:     }
jaroslav@1455: 
jaroslav@1455:     void clear() {
jaroslav@1455:         arr = null;
jaroslav@1455:     }
jtulach@162: }