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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.
*/
#include "AaptAssets.h"
#include "ApkBuilder.h"
using namespace android;
ApkBuilder::ApkBuilder(const sp<WeakResourceFilter>& configFilter)
: mConfigFilter(configFilter)
, mDefaultFilter(new AndResourceFilter()) {
// Add the default split, which is present for all APKs.
mDefaultFilter->addFilter(mConfigFilter);
mSplits.add(new ApkSplit(std::set<ConfigDescription>(), mDefaultFilter, true));
}
status_t ApkBuilder::createSplitForConfigs(const std::set<ConfigDescription>& configs) {
const size_t N = mSplits.size();
for (size_t i = 0; i < N; i++) {
const std::set<ConfigDescription>& splitConfigs = mSplits[i]->getConfigs();
std::set<ConfigDescription>::const_iterator iter = configs.begin();
for (; iter != configs.end(); iter++) {
if (splitConfigs.count(*iter) > 0) {
// Can't have overlapping configurations.
fprintf(stderr, "ERROR: Split configuration '%s' is already defined "
"in another split.\n", iter->toString().string());
return ALREADY_EXISTS;
}
}
}
sp<StrongResourceFilter> splitFilter = new StrongResourceFilter(configs);
// Add the inverse filter of this split filter to the base apk filter so it will
// omit resources that belong in this split.
mDefaultFilter->addFilter(new InverseResourceFilter(splitFilter));
// Now add the apk-wide config filter to our split filter.
sp<AndResourceFilter> filter = new AndResourceFilter();
filter->addFilter(splitFilter);
filter->addFilter(mConfigFilter);
mSplits.add(new ApkSplit(configs, filter));
return NO_ERROR;
}
status_t ApkBuilder::addEntry(const String8& path, const sp<AaptFile>& file) {
const size_t N = mSplits.size();
for (size_t i = 0; i < N; i++) {
if (mSplits[i]->matches(file)) {
return mSplits.editItemAt(i)->addEntry(path, file);
}
}
// Entry can be dropped if it doesn't match any split. This will only happen
// if the enry doesn't mConfigFilter.
return NO_ERROR;
}
void ApkBuilder::print() const {
fprintf(stderr, "APK Builder\n");
fprintf(stderr, "-----------\n");
const size_t N = mSplits.size();
for (size_t i = 0; i < N; i++) {
mSplits[i]->print();
fprintf(stderr, "\n");
}
}
ApkSplit::ApkSplit(const std::set<ConfigDescription>& configs, const sp<ResourceFilter>& filter, bool isBase)
: mConfigs(configs), mFilter(filter), mIsBase(isBase) {
std::set<ConfigDescription>::const_iterator iter = configs.begin();
for (; iter != configs.end(); iter++) {
if (mName.size() > 0) {
mName.append(",");
mDirName.append("_");
mPackageSafeName.append(".");
}
String8 configStr = iter->toString();
String8 packageConfigStr(configStr);
size_t len = packageConfigStr.length();
if (len > 0) {
char* buf = packageConfigStr.lockBuffer(len);
for (char* end = buf + len; buf < end; ++buf) {
if (*buf == '-') {
*buf = '_';
}
}
packageConfigStr.unlockBuffer(len);
}
mName.append(configStr);
mDirName.append(configStr);
mPackageSafeName.append(packageConfigStr);
}
}
status_t ApkSplit::addEntry(const String8& path, const sp<AaptFile>& file) {
if (!mFiles.insert(OutputEntry(path, file)).second) {
// Duplicate file.
return ALREADY_EXISTS;
}
return NO_ERROR;
}
void ApkSplit::print() const {
fprintf(stderr, "APK Split '%s'\n", mName.string());
std::set<OutputEntry>::const_iterator iter = mFiles.begin();
for (; iter != mFiles.end(); iter++) {
fprintf(stderr, " %s (%s)\n", iter->getPath().string(), iter->getFile()->getSourceFile().string());
}
}