1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "format/binary/BinaryResourceParser.h"
18
19 #include <algorithm>
20 #include <map>
21 #include <string>
22
23 #include "android-base/logging.h"
24 #include "android-base/macros.h"
25 #include "android-base/stringprintf.h"
26 #include "androidfw/ResourceTypes.h"
27 #include "androidfw/TypeWrappers.h"
28
29 #include "ResourceTable.h"
30 #include "ResourceUtils.h"
31 #include "ResourceValues.h"
32 #include "Source.h"
33 #include "ValueVisitor.h"
34 #include "format/binary/ResChunkPullParser.h"
35 #include "util/Util.h"
36
37 using namespace android;
38
39 using ::android::base::StringPrintf;
40
41 namespace aapt {
42
43 namespace {
44
strcpy16_dtoh(const char16_t * src,size_t len)45 static std::u16string strcpy16_dtoh(const char16_t* src, size_t len) {
46 size_t utf16_len = strnlen16(src, len);
47 if (utf16_len == 0) {
48 return {};
49 }
50 std::u16string dst;
51 dst.resize(utf16_len);
52 for (size_t i = 0; i < utf16_len; i++) {
53 dst[i] = util::DeviceToHost16(src[i]);
54 }
55 return dst;
56 }
57
58 // Visitor that converts a reference's resource ID to a resource name, given a mapping from
59 // resource ID to resource name.
60 class ReferenceIdToNameVisitor : public DescendingValueVisitor {
61 public:
62 using DescendingValueVisitor::Visit;
63
ReferenceIdToNameVisitor(const std::map<ResourceId,ResourceName> * mapping)64 explicit ReferenceIdToNameVisitor(const std::map<ResourceId, ResourceName>* mapping)
65 : mapping_(mapping) {
66 CHECK(mapping_ != nullptr);
67 }
68
Visit(Reference * reference)69 void Visit(Reference* reference) override {
70 if (!reference->id || !reference->id.value().is_valid()) {
71 return;
72 }
73
74 ResourceId id = reference->id.value();
75 auto cache_iter = mapping_->find(id);
76 if (cache_iter != mapping_->end()) {
77 reference->name = cache_iter->second;
78 }
79 }
80
81 private:
82 DISALLOW_COPY_AND_ASSIGN(ReferenceIdToNameVisitor);
83
84 const std::map<ResourceId, ResourceName>* mapping_;
85 };
86
87 } // namespace
88
BinaryResourceParser(IDiagnostics * diag,ResourceTable * table,const Source & source,const void * data,size_t len,io::IFileCollection * files)89 BinaryResourceParser::BinaryResourceParser(IDiagnostics* diag, ResourceTable* table,
90 const Source& source, const void* data, size_t len,
91 io::IFileCollection* files)
92 : diag_(diag), table_(table), source_(source), data_(data), data_len_(len), files_(files) {
93 }
94
Parse()95 bool BinaryResourceParser::Parse() {
96 ResChunkPullParser parser(data_, data_len_);
97
98 if (!ResChunkPullParser::IsGoodEvent(parser.Next())) {
99 diag_->Error(DiagMessage(source_) << "corrupt resources.arsc: " << parser.error());
100 return false;
101 }
102
103 if (parser.chunk()->type != android::RES_TABLE_TYPE) {
104 diag_->Error(DiagMessage(source_) << StringPrintf("unknown chunk of type 0x%02x",
105 static_cast<int>(parser.chunk()->type)));
106 return false;
107 }
108
109 if (!ParseTable(parser.chunk())) {
110 return false;
111 }
112
113 if (parser.Next() != ResChunkPullParser::Event::kEndDocument) {
114 if (parser.event() == ResChunkPullParser::Event::kBadDocument) {
115 diag_->Warn(DiagMessage(source_)
116 << "invalid chunk trailing RES_TABLE_TYPE: " << parser.error());
117 } else {
118 diag_->Warn(DiagMessage(source_)
119 << StringPrintf("unexpected chunk of type 0x%02x trailing RES_TABLE_TYPE",
120 static_cast<int>(parser.chunk()->type)));
121 }
122 }
123 return true;
124 }
125
126 // Parses the resource table, which contains all the packages, types, and entries.
ParseTable(const ResChunk_header * chunk)127 bool BinaryResourceParser::ParseTable(const ResChunk_header* chunk) {
128 const ResTable_header* table_header = ConvertTo<ResTable_header>(chunk);
129 if (!table_header) {
130 diag_->Error(DiagMessage(source_) << "corrupt ResTable_header chunk");
131 return false;
132 }
133
134 ResChunkPullParser parser(GetChunkData(&table_header->header),
135 GetChunkDataLen(&table_header->header));
136 while (ResChunkPullParser::IsGoodEvent(parser.Next())) {
137 switch (util::DeviceToHost16(parser.chunk()->type)) {
138 case android::RES_STRING_POOL_TYPE:
139 if (value_pool_.getError() == NO_INIT) {
140 status_t err =
141 value_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size));
142 if (err != NO_ERROR) {
143 diag_->Error(DiagMessage(source_)
144 << "corrupt string pool in ResTable: " << value_pool_.getError());
145 return false;
146 }
147
148 // Reserve some space for the strings we are going to add.
149 table_->string_pool.HintWillAdd(value_pool_.size(), value_pool_.styleCount());
150 } else {
151 diag_->Warn(DiagMessage(source_) << "unexpected string pool in ResTable");
152 }
153 break;
154
155 case android::RES_TABLE_PACKAGE_TYPE:
156 if (!ParsePackage(parser.chunk())) {
157 return false;
158 }
159 break;
160
161 default:
162 diag_->Warn(DiagMessage(source_)
163 << "unexpected chunk type "
164 << static_cast<int>(util::DeviceToHost16(parser.chunk()->type)));
165 break;
166 }
167 }
168
169 if (parser.event() == ResChunkPullParser::Event::kBadDocument) {
170 diag_->Error(DiagMessage(source_) << "corrupt resource table: " << parser.error());
171 return false;
172 }
173 return true;
174 }
175
ParsePackage(const ResChunk_header * chunk)176 bool BinaryResourceParser::ParsePackage(const ResChunk_header* chunk) {
177 constexpr size_t kMinPackageSize =
178 sizeof(ResTable_package) - sizeof(ResTable_package::typeIdOffset);
179 const ResTable_package* package_header = ConvertTo<ResTable_package, kMinPackageSize>(chunk);
180 if (!package_header) {
181 diag_->Error(DiagMessage(source_) << "corrupt ResTable_package chunk");
182 return false;
183 }
184
185 uint32_t package_id = util::DeviceToHost32(package_header->id);
186 if (package_id > std::numeric_limits<uint8_t>::max()) {
187 diag_->Error(DiagMessage(source_) << "package ID is too big (" << package_id << ")");
188 return false;
189 }
190
191 // Extract the package name.
192 std::u16string package_name = strcpy16_dtoh((const char16_t*)package_header->name,
193 arraysize(package_header->name));
194
195 ResourceTablePackage* package =
196 table_->CreatePackage(util::Utf16ToUtf8(package_name), static_cast<uint8_t>(package_id));
197 if (!package) {
198 diag_->Error(DiagMessage(source_)
199 << "incompatible package '" << package_name << "' with ID " << package_id);
200 return false;
201 }
202
203 // There can be multiple packages in a table, so
204 // clear the type and key pool in case they were set from a previous package.
205 type_pool_.uninit();
206 key_pool_.uninit();
207
208 ResChunkPullParser parser(GetChunkData(&package_header->header),
209 GetChunkDataLen(&package_header->header));
210 while (ResChunkPullParser::IsGoodEvent(parser.Next())) {
211 switch (util::DeviceToHost16(parser.chunk()->type)) {
212 case android::RES_STRING_POOL_TYPE:
213 if (type_pool_.getError() == NO_INIT) {
214 status_t err =
215 type_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size));
216 if (err != NO_ERROR) {
217 diag_->Error(DiagMessage(source_) << "corrupt type string pool in "
218 << "ResTable_package: " << type_pool_.getError());
219 return false;
220 }
221 } else if (key_pool_.getError() == NO_INIT) {
222 status_t err =
223 key_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size));
224 if (err != NO_ERROR) {
225 diag_->Error(DiagMessage(source_) << "corrupt key string pool in "
226 << "ResTable_package: " << key_pool_.getError());
227 return false;
228 }
229 } else {
230 diag_->Warn(DiagMessage(source_) << "unexpected string pool");
231 }
232 break;
233
234 case android::RES_TABLE_TYPE_SPEC_TYPE:
235 if (!ParseTypeSpec(package, parser.chunk())) {
236 return false;
237 }
238 break;
239
240 case android::RES_TABLE_TYPE_TYPE:
241 if (!ParseType(package, parser.chunk())) {
242 return false;
243 }
244 break;
245
246 case android::RES_TABLE_LIBRARY_TYPE:
247 if (!ParseLibrary(parser.chunk())) {
248 return false;
249 }
250 break;
251
252 case android::RES_TABLE_OVERLAYABLE_TYPE:
253 if (!ParseOverlayable(parser.chunk())) {
254 return false;
255 }
256 break;
257
258 default:
259 diag_->Warn(DiagMessage(source_)
260 << "unexpected chunk type "
261 << static_cast<int>(util::DeviceToHost16(parser.chunk()->type)));
262 break;
263 }
264 }
265
266 if (parser.event() == ResChunkPullParser::Event::kBadDocument) {
267 diag_->Error(DiagMessage(source_) << "corrupt ResTable_package: " << parser.error());
268 return false;
269 }
270
271 // Now go through the table and change local resource ID references to
272 // symbolic references.
273 ReferenceIdToNameVisitor visitor(&id_index_);
274 VisitAllValuesInTable(table_, &visitor);
275 return true;
276 }
277
ParseTypeSpec(const ResourceTablePackage * package,const ResChunk_header * chunk)278 bool BinaryResourceParser::ParseTypeSpec(const ResourceTablePackage* package,
279 const ResChunk_header* chunk) {
280 if (type_pool_.getError() != NO_ERROR) {
281 diag_->Error(DiagMessage(source_) << "missing type string pool");
282 return false;
283 }
284
285 const ResTable_typeSpec* type_spec = ConvertTo<ResTable_typeSpec>(chunk);
286 if (!type_spec) {
287 diag_->Error(DiagMessage(source_) << "corrupt ResTable_typeSpec chunk");
288 return false;
289 }
290
291 if (type_spec->id == 0) {
292 diag_->Error(DiagMessage(source_) << "ResTable_typeSpec has invalid id: " << type_spec->id);
293 return false;
294 }
295
296 // The data portion of this chunk contains entry_count 32bit entries,
297 // each one representing a set of flags.
298 const size_t entry_count = dtohl(type_spec->entryCount);
299
300 // There can only be 2^16 entries in a type, because that is the ID
301 // space for entries (EEEE) in the resource ID 0xPPTTEEEE.
302 if (entry_count > std::numeric_limits<uint16_t>::max()) {
303 diag_->Error(DiagMessage(source_)
304 << "ResTable_typeSpec has too many entries (" << entry_count << ")");
305 return false;
306 }
307
308 const size_t data_size = util::DeviceToHost32(type_spec->header.size) -
309 util::DeviceToHost16(type_spec->header.headerSize);
310 if (entry_count * sizeof(uint32_t) > data_size) {
311 diag_->Error(DiagMessage(source_) << "ResTable_typeSpec too small to hold entries.");
312 return false;
313 }
314
315 // Record the type_spec_flags for later. We don't know resource names yet, and we need those
316 // to mark resources as overlayable.
317 const uint32_t* type_spec_flags = reinterpret_cast<const uint32_t*>(
318 reinterpret_cast<uintptr_t>(type_spec) + util::DeviceToHost16(type_spec->header.headerSize));
319 for (size_t i = 0; i < entry_count; i++) {
320 ResourceId id(package->id.value_or_default(0x0), type_spec->id, static_cast<size_t>(i));
321 entry_type_spec_flags_[id] = util::DeviceToHost32(type_spec_flags[i]);
322 }
323 return true;
324 }
325
ParseType(const ResourceTablePackage * package,const ResChunk_header * chunk)326 bool BinaryResourceParser::ParseType(const ResourceTablePackage* package,
327 const ResChunk_header* chunk) {
328 if (type_pool_.getError() != NO_ERROR) {
329 diag_->Error(DiagMessage(source_) << "missing type string pool");
330 return false;
331 }
332
333 if (key_pool_.getError() != NO_ERROR) {
334 diag_->Error(DiagMessage(source_) << "missing key string pool");
335 return false;
336 }
337
338 // Specify a manual size, because ResTable_type contains ResTable_config, which changes
339 // a lot and has its own code to handle variable size.
340 const ResTable_type* type = ConvertTo<ResTable_type, kResTableTypeMinSize>(chunk);
341 if (!type) {
342 diag_->Error(DiagMessage(source_) << "corrupt ResTable_type chunk");
343 return false;
344 }
345
346 if (type->id == 0) {
347 diag_->Error(DiagMessage(source_) << "ResTable_type has invalid id: " << (int)type->id);
348 return false;
349 }
350
351 ConfigDescription config;
352 config.copyFromDtoH(type->config);
353
354 const std::string type_str = util::GetString(type_pool_, type->id - 1);
355
356 // Be lenient on the name of the type if the table is lenient on resource validation.
357 auto parsed_type = ResourceType::kUnknown;
358 if (const ResourceType* parsed = ParseResourceType(type_str)) {
359 parsed_type = *parsed;
360 } else if (table_->GetValidateResources()) {
361 diag_->Error(DiagMessage(source_) << "invalid type name '" << type_str << "' for type with ID "
362 << (int) type->id);
363 return false;
364 }
365
366 TypeVariant tv(type);
367 for (auto it = tv.beginEntries(); it != tv.endEntries(); ++it) {
368 const ResTable_entry* entry = *it;
369 if (!entry) {
370 continue;
371 }
372
373 const ResourceName name(package->name, parsed_type,
374 util::GetString(key_pool_, util::DeviceToHost32(entry->key.index)));
375
376 const ResourceId res_id(package->id.value(), type->id, static_cast<uint16_t>(it.index()));
377
378 std::unique_ptr<Value> resource_value;
379 if (entry->flags & ResTable_entry::FLAG_COMPLEX) {
380 const ResTable_map_entry* mapEntry = static_cast<const ResTable_map_entry*>(entry);
381
382 // TODO(adamlesinski): Check that the entry count is valid.
383 resource_value = ParseMapEntry(name, config, mapEntry);
384 } else {
385 const Res_value* value =
386 (const Res_value*)((const uint8_t*)entry + util::DeviceToHost32(entry->size));
387 resource_value = ParseValue(name, config, *value);
388 }
389
390 if (!resource_value) {
391 diag_->Error(DiagMessage(source_) << "failed to parse value for resource " << name << " ("
392 << res_id << ") with configuration '" << config << "'");
393 return false;
394 }
395
396 if (!table_->AddResourceWithIdMangled(name, res_id, config, {}, std::move(resource_value),
397 diag_)) {
398 return false;
399 }
400
401 if (entry->flags & ResTable_entry::FLAG_PUBLIC) {
402 Visibility visibility;
403 visibility.level = Visibility::Level::kPublic;
404 if (!table_->SetVisibilityWithIdMangled(name, visibility, res_id, diag_)) {
405 return false;
406 }
407
408 // Erase the ID from the map once processed, so that we don't mark the same symbol more than
409 // once.
410 entry_type_spec_flags_.erase(res_id);
411 }
412
413 // Add this resource name->id mapping to the index so
414 // that we can resolve all ID references to name references.
415 auto cache_iter = id_index_.find(res_id);
416 if (cache_iter == id_index_.end()) {
417 id_index_.insert({res_id, name});
418 }
419 }
420 return true;
421 }
422
ParseLibrary(const ResChunk_header * chunk)423 bool BinaryResourceParser::ParseLibrary(const ResChunk_header* chunk) {
424 DynamicRefTable dynamic_ref_table;
425 if (dynamic_ref_table.load(reinterpret_cast<const ResTable_lib_header*>(chunk)) != NO_ERROR) {
426 return false;
427 }
428
429 const KeyedVector<String16, uint8_t>& entries = dynamic_ref_table.entries();
430 const size_t count = entries.size();
431 for (size_t i = 0; i < count; i++) {
432 table_->included_packages_[entries.valueAt(i)] =
433 util::Utf16ToUtf8(StringPiece16(entries.keyAt(i).string()));
434 }
435 return true;
436 }
437
ParseOverlayable(const ResChunk_header * chunk)438 bool BinaryResourceParser::ParseOverlayable(const ResChunk_header* chunk) {
439 const ResTable_overlayable_header* header = ConvertTo<ResTable_overlayable_header>(chunk);
440 if (!header) {
441 diag_->Error(DiagMessage(source_) << "corrupt ResTable_category_header chunk");
442 return false;
443 }
444
445 auto overlayable = std::make_shared<Overlayable>();
446 overlayable->name = util::Utf16ToUtf8(strcpy16_dtoh((const char16_t*)header->name,
447 arraysize(header->name)));
448 overlayable->actor = util::Utf16ToUtf8(strcpy16_dtoh((const char16_t*)header->actor,
449 arraysize(header->name)));
450
451 ResChunkPullParser parser(GetChunkData(chunk),
452 GetChunkDataLen(chunk));
453 while (ResChunkPullParser::IsGoodEvent(parser.Next())) {
454 if (util::DeviceToHost16(parser.chunk()->type) == android::RES_TABLE_OVERLAYABLE_POLICY_TYPE) {
455 const ResTable_overlayable_policy_header* policy_header =
456 ConvertTo<ResTable_overlayable_policy_header>(parser.chunk());
457
458 OverlayableItem::PolicyFlags policies = OverlayableItem::Policy::kNone;
459 if (policy_header->policy_flags & ResTable_overlayable_policy_header::POLICY_PUBLIC) {
460 policies |= OverlayableItem::Policy::kPublic;
461 }
462 if (policy_header->policy_flags
463 & ResTable_overlayable_policy_header::POLICY_SYSTEM_PARTITION) {
464 policies |= OverlayableItem::Policy::kSystem;
465 }
466 if (policy_header->policy_flags
467 & ResTable_overlayable_policy_header::POLICY_VENDOR_PARTITION) {
468 policies |= OverlayableItem::Policy::kVendor;
469 }
470 if (policy_header->policy_flags
471 & ResTable_overlayable_policy_header::POLICY_PRODUCT_PARTITION) {
472 policies |= OverlayableItem::Policy::kProduct;
473 }
474 if (policy_header->policy_flags
475 & ResTable_overlayable_policy_header::POLICY_SIGNATURE) {
476 policies |= OverlayableItem::Policy::kSignature;
477 }
478 if (policy_header->policy_flags
479 & ResTable_overlayable_policy_header::POLICY_ODM_PARTITION) {
480 policies |= OverlayableItem::Policy::kOdm;
481 }
482 if (policy_header->policy_flags
483 & ResTable_overlayable_policy_header::POLICY_OEM_PARTITION) {
484 policies |= OverlayableItem::Policy::kOem;
485 }
486
487 const ResTable_ref* const ref_begin = reinterpret_cast<const ResTable_ref*>(
488 ((uint8_t *)policy_header) + util::DeviceToHost32(policy_header->header.headerSize));
489 const ResTable_ref* const ref_end = ref_begin
490 + util::DeviceToHost32(policy_header->entry_count);
491 for (auto ref_iter = ref_begin; ref_iter != ref_end; ++ref_iter) {
492 ResourceId res_id(util::DeviceToHost32(ref_iter->ident));
493 const auto iter = id_index_.find(res_id);
494
495 // If the overlayable chunk comes before the type chunks, the resource ids and resource name
496 // pairing will not exist at this point.
497 if (iter == id_index_.cend()) {
498 diag_->Error(DiagMessage(source_) << "failed to find resource name for overlayable"
499 << " resource " << res_id);
500 return false;
501 }
502
503 OverlayableItem overlayable_item(overlayable);
504 overlayable_item.policies = policies;
505 if (!table_->SetOverlayable(iter->second, overlayable_item, diag_)) {
506 return false;
507 }
508 }
509 }
510 }
511
512 return true;
513 }
514
ParseValue(const ResourceNameRef & name,const ConfigDescription & config,const android::Res_value & value)515 std::unique_ptr<Item> BinaryResourceParser::ParseValue(const ResourceNameRef& name,
516 const ConfigDescription& config,
517 const android::Res_value& value) {
518 std::unique_ptr<Item> item = ResourceUtils::ParseBinaryResValue(name.type, config, value_pool_,
519 value, &table_->string_pool);
520 if (files_ != nullptr) {
521 FileReference* file_ref = ValueCast<FileReference>(item.get());
522 if (file_ref != nullptr) {
523 file_ref->file = files_->FindFile(*file_ref->path);
524 if (file_ref->file == nullptr) {
525 diag_->Warn(DiagMessage() << "resource " << name << " for config '" << config
526 << "' is a file reference to '" << *file_ref->path
527 << "' but no such path exists");
528 }
529 }
530 }
531 return item;
532 }
533
ParseMapEntry(const ResourceNameRef & name,const ConfigDescription & config,const ResTable_map_entry * map)534 std::unique_ptr<Value> BinaryResourceParser::ParseMapEntry(const ResourceNameRef& name,
535 const ConfigDescription& config,
536 const ResTable_map_entry* map) {
537 switch (name.type) {
538 case ResourceType::kStyle:
539 return ParseStyle(name, config, map);
540 case ResourceType::kAttrPrivate:
541 // fallthrough
542 case ResourceType::kAttr:
543 return ParseAttr(name, config, map);
544 case ResourceType::kArray:
545 return ParseArray(name, config, map);
546 case ResourceType::kPlurals:
547 return ParsePlural(name, config, map);
548 case ResourceType::kId:
549 // Special case: An ID is not a bag, but some apps have defined the auto-generated
550 // IDs that come from declaring an enum value in an attribute as an empty map...
551 // We can ignore the value here.
552 return util::make_unique<Id>();
553 default:
554 diag_->Error(DiagMessage() << "illegal map type '" << to_string(name.type) << "' ("
555 << (int)name.type << ")");
556 break;
557 }
558 return {};
559 }
560
ParseStyle(const ResourceNameRef & name,const ConfigDescription & config,const ResTable_map_entry * map)561 std::unique_ptr<Style> BinaryResourceParser::ParseStyle(const ResourceNameRef& name,
562 const ConfigDescription& config,
563 const ResTable_map_entry* map) {
564 std::unique_ptr<Style> style = util::make_unique<Style>();
565 if (util::DeviceToHost32(map->parent.ident) != 0) {
566 // The parent is a regular reference to a resource.
567 style->parent = Reference(util::DeviceToHost32(map->parent.ident));
568 }
569
570 for (const ResTable_map& map_entry : map) {
571 if (Res_INTERNALID(util::DeviceToHost32(map_entry.name.ident))) {
572 continue;
573 }
574
575 Style::Entry style_entry;
576 style_entry.key = Reference(util::DeviceToHost32(map_entry.name.ident));
577 style_entry.value = ParseValue(name, config, map_entry.value);
578 if (!style_entry.value) {
579 return {};
580 }
581 style->entries.push_back(std::move(style_entry));
582 }
583 return style;
584 }
585
ParseAttr(const ResourceNameRef & name,const ConfigDescription & config,const ResTable_map_entry * map)586 std::unique_ptr<Attribute> BinaryResourceParser::ParseAttr(const ResourceNameRef& name,
587 const ConfigDescription& config,
588 const ResTable_map_entry* map) {
589 std::unique_ptr<Attribute> attr = util::make_unique<Attribute>();
590 attr->SetWeak((util::DeviceToHost16(map->flags) & ResTable_entry::FLAG_WEAK) != 0);
591
592 // First we must discover what type of attribute this is. Find the type mask.
593 auto type_mask_iter = std::find_if(begin(map), end(map), [](const ResTable_map& entry) -> bool {
594 return util::DeviceToHost32(entry.name.ident) == ResTable_map::ATTR_TYPE;
595 });
596
597 if (type_mask_iter != end(map)) {
598 attr->type_mask = util::DeviceToHost32(type_mask_iter->value.data);
599 }
600
601 for (const ResTable_map& map_entry : map) {
602 if (Res_INTERNALID(util::DeviceToHost32(map_entry.name.ident))) {
603 switch (util::DeviceToHost32(map_entry.name.ident)) {
604 case ResTable_map::ATTR_MIN:
605 attr->min_int = static_cast<int32_t>(map_entry.value.data);
606 break;
607 case ResTable_map::ATTR_MAX:
608 attr->max_int = static_cast<int32_t>(map_entry.value.data);
609 break;
610 }
611 continue;
612 }
613
614 if (attr->type_mask & (ResTable_map::TYPE_ENUM | ResTable_map::TYPE_FLAGS)) {
615 Attribute::Symbol symbol;
616 symbol.value = util::DeviceToHost32(map_entry.value.data);
617 symbol.symbol = Reference(util::DeviceToHost32(map_entry.name.ident));
618 attr->symbols.push_back(std::move(symbol));
619 }
620 }
621
622 // TODO(adamlesinski): Find i80n, attributes.
623 return attr;
624 }
625
ParseArray(const ResourceNameRef & name,const ConfigDescription & config,const ResTable_map_entry * map)626 std::unique_ptr<Array> BinaryResourceParser::ParseArray(const ResourceNameRef& name,
627 const ConfigDescription& config,
628 const ResTable_map_entry* map) {
629 std::unique_ptr<Array> array = util::make_unique<Array>();
630 for (const ResTable_map& map_entry : map) {
631 array->elements.push_back(ParseValue(name, config, map_entry.value));
632 }
633 return array;
634 }
635
ParsePlural(const ResourceNameRef & name,const ConfigDescription & config,const ResTable_map_entry * map)636 std::unique_ptr<Plural> BinaryResourceParser::ParsePlural(const ResourceNameRef& name,
637 const ConfigDescription& config,
638 const ResTable_map_entry* map) {
639 std::unique_ptr<Plural> plural = util::make_unique<Plural>();
640 for (const ResTable_map& map_entry : map) {
641 std::unique_ptr<Item> item = ParseValue(name, config, map_entry.value);
642 if (!item) {
643 return {};
644 }
645
646 switch (util::DeviceToHost32(map_entry.name.ident)) {
647 case ResTable_map::ATTR_ZERO:
648 plural->values[Plural::Zero] = std::move(item);
649 break;
650 case ResTable_map::ATTR_ONE:
651 plural->values[Plural::One] = std::move(item);
652 break;
653 case ResTable_map::ATTR_TWO:
654 plural->values[Plural::Two] = std::move(item);
655 break;
656 case ResTable_map::ATTR_FEW:
657 plural->values[Plural::Few] = std::move(item);
658 break;
659 case ResTable_map::ATTR_MANY:
660 plural->values[Plural::Many] = std::move(item);
661 break;
662 case ResTable_map::ATTR_OTHER:
663 plural->values[Plural::Other] = std::move(item);
664 break;
665 }
666 }
667 return plural;
668 }
669
670 } // namespace aapt
671