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Diffstat (limited to 'src/proguard/gui/FilterBuilder.java')
| -rw-r--r-- | src/proguard/gui/FilterBuilder.java | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/src/proguard/gui/FilterBuilder.java b/src/proguard/gui/FilterBuilder.java deleted file mode 100644 index cdf297c..0000000 --- a/src/proguard/gui/FilterBuilder.java +++ /dev/null @@ -1,208 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program 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 for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -package proguard.gui; - -import javax.swing.*; - -/** - * This class builds filters corresponding to the selections and names of a - * given list of check boxes. - */ -public class FilterBuilder -{ - private JCheckBox[] checkBoxes; - private char separator; - - - /** - * Creates a new FilterBuilder. - * @param checkBoxes the check boxes with names and selections that should - * be reflected in the output filter. - * @param separator the separator for the names in the check boxes. - */ - public FilterBuilder(JCheckBox[] checkBoxes, char separator) - { - this.checkBoxes = checkBoxes; - this.separator = separator; - } - - - /** - * Builds a filter for the current names and selections of the check boxes. - */ - public String buildFilter() - { - StringBuffer positive = new StringBuffer(); - StringBuffer negative = new StringBuffer(); - - buildFilter("", positive, negative); - - return positive.length() <= negative.length() ? - positive.toString() : - negative.toString(); - } - - - /** - * Builds two versions of the filter for the given prefix. - * @param prefix the prefix. - * @param positive the filter to be extended, assuming the matching - * strings are accepted. - * @param negative the filter to be extended, assuming the matching - * strings are rejected. - */ - private void buildFilter(String prefix, - StringBuffer positive, - StringBuffer negative) - { - int positiveCount = 0; - int negativeCount = 0; - - // Count all selected and unselected check boxes with the prefix. - for (int index = 0; index < checkBoxes.length; index++) - { - JCheckBox checkBox = checkBoxes[index]; - String name = checkBox.getText(); - - if (name.startsWith(prefix)) - { - if (checkBox.isSelected()) - { - positiveCount++; - } - else - { - negativeCount++; - } - } - } - - // Are there only unselected check boxes? - if (positiveCount == 0) - { - // Extend the positive filter with exceptions and return. - if (positive.length() > 0) - { - positive.append(','); - } - positive.append('!').append(prefix); - if (prefix.length() == 0 || - prefix.charAt(prefix.length()-1) == separator) - { - positive.append('*'); - } - - return; - } - - // Are there only selected check boxes? - if (negativeCount == 0) - { - // Extend the negative filter with exceptions and return. - if (negative.length() > 0) - { - negative.append(','); - } - negative.append(prefix); - if (prefix.length() == 0 || - prefix.charAt(prefix.length()-1) == separator) - { - negative.append('*'); - } - - return; - } - - // Create new positive and negative filters for names starting with the - // prefix only. - StringBuffer positiveFilter = new StringBuffer(); - StringBuffer negativeFilter = new StringBuffer(); - - String newPrefix = null; - - for (int index = 0; index < checkBoxes.length; index++) - { - String name = checkBoxes[index].getText(); - - if (name.startsWith(prefix)) - { - if (newPrefix == null || - !name.startsWith(newPrefix)) - { - int prefixIndex = - name.indexOf(separator, prefix.length()+1); - - newPrefix = prefixIndex >= 0 ? - name.substring(0, prefixIndex+1) : - name; - - buildFilter(newPrefix, - positiveFilter, - negativeFilter); - } - } - } - - // Extend the positive filter. - if (positiveFilter.length() <= negativeFilter.length() + prefix.length() + 3) - { - if (positive.length() > 0 && - positiveFilter.length() > 0) - { - positive.append(','); - } - - positive.append(positiveFilter); - } - else - { - if (positive.length() > 0 && - negativeFilter.length() > 0) - { - positive.append(','); - } - - positive.append(negativeFilter).append(",!").append(prefix).append('*'); - } - - // Extend the negative filter. - if (negativeFilter.length() <= positiveFilter.length() + prefix.length() + 4) - { - if (negative.length() > 0 && - negativeFilter.length() > 0) - { - negative.append(','); - } - - negative.append(negativeFilter); - } - else - { - if (negative.length() > 0 && - positiveFilter.length() > 0) - { - negative.append(','); - } - - negative.append(positiveFilter).append(',').append(prefix).append('*'); - } - } -} |