diff options
Diffstat (limited to 'src/proguard/classfile/editor/AttributesEditor.java')
| -rw-r--r-- | src/proguard/classfile/editor/AttributesEditor.java | 71 |
1 files changed, 58 insertions, 13 deletions
diff --git a/src/proguard/classfile/editor/AttributesEditor.java b/src/proguard/classfile/editor/AttributesEditor.java index f50b8f1..ce38a6b 100644 --- a/src/proguard/classfile/editor/AttributesEditor.java +++ b/src/proguard/classfile/editor/AttributesEditor.java @@ -2,7 +2,7 @@ * ProGuard -- shrinking, optimization, obfuscation, and preverification * of Java bytecode. * - * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) + * 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 @@ -79,6 +79,27 @@ public class AttributesEditor /** + * Finds the specified attribute in the target. + */ + public Attribute findAttribute(String attributeName) + { + // What's the target? + return + targetAttribute != null ? + findAttribute(targetAttribute.u2attributesCount, + targetAttribute.attributes, + attributeName) : + targetMember != null ? + findAttribute(targetMember.u2attributesCount, + targetMember.attributes, + attributeName) : + findAttribute(targetClass.u2attributesCount, + targetClass.attributes, + attributeName); + } + + + /** * Adds the given attribute to the target. */ public void addAttribute(Attribute attribute) @@ -171,17 +192,17 @@ public class AttributesEditor // Small utility methods. /** - * Tries put the given attribute in place of an existing attribute of the - * same name, returning whether it was present. + * Tries to put the given attribute in place of an existing attribute of + * the same name, returning whether it was present. */ private boolean replaceAttribute(int attributesCount, Attribute[] attributes, Attribute attribute) { // Find the attribute with the same name. - int index = findAttribute(attributesCount, - attributes, - attribute.getAttributeName(targetClass)); + int index = findAttributeIndex(attributesCount, + attributes, + attribute.getAttributeName(targetClass)); if (index < 0) { return false; @@ -228,9 +249,9 @@ public class AttributesEditor String attributeName) { // Find the attribute. - int index = findAttribute(attributesCount, - attributes, - attributeName); + int index = findAttributeIndex(attributesCount, + attributes, + attributeName); if (index < 0) { return attributesCount; @@ -252,13 +273,15 @@ public class AttributesEditor * Finds the index of the attribute with the given name in the given * array of attributes. */ - private int findAttribute(int attributesCount, - Attribute[] attributes, - String attributeName) + private int findAttributeIndex(int attributesCount, + Attribute[] attributes, + String attributeName) { for (int index = 0; index < attributesCount; index++) { - if (attributes[index].getAttributeName(targetClass).equals(attributeName)) + Attribute attribute = attributes[index]; + + if (attribute.getAttributeName(targetClass).equals(attributeName)) { return index; } @@ -266,4 +289,26 @@ public class AttributesEditor return -1; } + + + /** + * Finds the attribute with the given name in the given + * array of attributes. + */ + private Attribute findAttribute(int attributesCount, + Attribute[] attributes, + String attributeName) + { + for (int index = 0; index < attributesCount; index++) + { + Attribute attribute = attributes[index]; + + if (attribute.getAttributeName(targetClass).equals(attributeName)) + { + return attribute; + } + } + + return null; + } } |