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author | Marcin Kosiba <mkosiba@google.com> | 2014-06-17 09:56:21 +0100 |
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committer | Marcin Kosiba <mkosiba@google.com> | 2014-06-20 11:55:22 +0100 |
commit | ab61347a2cb3254688c42c993278cefd43e5d99d (patch) | |
tree | de9bb96cdb2bc7a710c8222edcdd3e3a33e7086e /src/main/com/tonicsystems/jarjar/PackageRemapper.java | |
parent | fe7bad2c42f39829e8d4fd990ac1da776bcaeee2 (diff) | |
download | android_external_jarjar-ab61347a2cb3254688c42c993278cefd43e5d99d.tar.gz android_external_jarjar-ab61347a2cb3254688c42c993278cefd43e5d99d.tar.bz2 android_external_jarjar-ab61347a2cb3254688c42c993278cefd43e5d99d.zip |
Add JarJar 1.4
Change-Id: Iadcec27828223189f579b70d050cd7246cb488c2
Diffstat (limited to 'src/main/com/tonicsystems/jarjar/PackageRemapper.java')
-rw-r--r-- | src/main/com/tonicsystems/jarjar/PackageRemapper.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/main/com/tonicsystems/jarjar/PackageRemapper.java b/src/main/com/tonicsystems/jarjar/PackageRemapper.java new file mode 100644 index 0000000..4d102be --- /dev/null +++ b/src/main/com/tonicsystems/jarjar/PackageRemapper.java @@ -0,0 +1,128 @@ +/** + * Copyright 2007 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.tonicsystems.jarjar; + +import org.objectweb.asm.*; +import org.objectweb.asm.commons.*; +import java.util.*; +import java.util.regex.Pattern; + +class PackageRemapper extends Remapper +{ + private static final String RESOURCE_SUFFIX = "RESOURCE"; + + private static final Pattern ARRAY_FOR_NAME_PATTERN + = Pattern.compile("\\[L[\\p{javaJavaIdentifierPart}\\.]+?;"); + + private final List<Wildcard> wildcards; + private final Map<String, String> typeCache = new HashMap<String, String>(); + private final Map<String, String> pathCache = new HashMap<String, String>(); + private final Map<Object, String> valueCache = new HashMap<Object, String>(); + private final boolean verbose; + + public PackageRemapper(List<Rule> ruleList, boolean verbose) { + this.verbose = verbose; + wildcards = PatternElement.createWildcards(ruleList); + } + + // also used by KeepProcessor + static boolean isArrayForName(String value) { + return ARRAY_FOR_NAME_PATTERN.matcher(value).matches(); + } + + public String map(String key) { + String s = typeCache.get(key); + if (s == null) { + s = replaceHelper(key); + if (key.equals(s)) + s = null; + typeCache.put(key, s); + } + return s; + } + + public String mapPath(String path) { + String s = pathCache.get(path); + if (s == null) { + s = path; + int slash = s.lastIndexOf('/'); + String end; + if (slash < 0) { + end = s; + s = RESOURCE_SUFFIX; + } else { + end = s.substring(slash + 1); + s = s.substring(0, slash + 1) + RESOURCE_SUFFIX; + } + boolean absolute = s.startsWith("/"); + if (absolute) s = s.substring(1); + + s = replaceHelper(s); + + if (absolute) s = "/" + s; + if (s.indexOf(RESOURCE_SUFFIX) < 0) + return path; + s = s.substring(0, s.length() - RESOURCE_SUFFIX.length()) + end; + pathCache.put(path, s); + } + return s; + } + + public Object mapValue(Object value) { + if (value instanceof String) { + String s = valueCache.get(value); + if (s == null) { + s = (String)value; + if (isArrayForName(s)) { + String desc1 = s.replace('.', '/'); + String desc2 = mapDesc(desc1); + if (!desc2.equals(desc1)) + return desc2.replace('/', '.'); + } else { + s = mapPath(s); + if (s.equals(value)) { + boolean hasDot = s.indexOf('.') >= 0; + boolean hasSlash = s.indexOf('/') >= 0; + if (!(hasDot && hasSlash)) { + if (hasDot) { + s = replaceHelper(s.replace('.', '/')).replace('/', '.'); + } else { + s = replaceHelper(s); + } + } + } + } + valueCache.put(value, s); + } + // TODO: add back class name to verbose message + if (verbose && !s.equals(value)) + System.err.println("Changed \"" + value + "\" -> \"" + s + "\""); + return s; + } else { + return super.mapValue(value); + } + } + + private String replaceHelper(String value) { + for (Wildcard wildcard : wildcards) { + String test = wildcard.replace(value); + if (test != null) + return test; + } + return value; + } +} |