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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 "Debug.h"
18 
19 #include <androidfw/TypeWrappers.h>
20 #include <format/binary/ResChunkPullParser.h>
21 
22 #include <algorithm>
23 #include <map>
24 #include <memory>
25 #include <queue>
26 #include <set>
27 #include <vector>
28 
29 #include "ResourceTable.h"
30 #include "ResourceUtils.h"
31 #include "ResourceValues.h"
32 #include "ValueVisitor.h"
33 #include "android-base/logging.h"
34 #include "android-base/stringprintf.h"
35 #include "idmap2/Policies.h"
36 #include "text/Printer.h"
37 #include "util/Util.h"
38 
39 using ::aapt::text::Printer;
40 using ::android::StringPiece;
41 using ::android::base::StringPrintf;
42 
43 using android::idmap2::policy::kPolicyStringToFlag;
44 
45 using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;
46 
47 namespace aapt {
48 
49 namespace {
50 
51 class ValueHeadlinePrinter : public ConstValueVisitor {
52  public:
53   using ConstValueVisitor::Visit;
54 
ValueHeadlinePrinter(const std::string & package,Printer * printer)55   explicit ValueHeadlinePrinter(const std::string& package, Printer* printer)
56       : package_(package), printer_(printer) {
57   }
58 
Visit(const Attribute * attr)59   void Visit(const Attribute* attr) override {
60     printer_->Print("(attr) type=");
61     printer_->Print(attr->MaskString());
62     if (!attr->symbols.empty()) {
63       printer_->Print(StringPrintf(" size=%zd", attr->symbols.size()));
64     }
65   }
66 
Visit(const Style * style)67   void Visit(const Style* style) override {
68     printer_->Print(StringPrintf("(style) size=%zd", style->entries.size()));
69     if (style->parent) {
70       printer_->Print(" parent=");
71 
72       const Reference& parent_ref = style->parent.value();
73       if (parent_ref.name) {
74         if (parent_ref.private_reference) {
75           printer_->Print("*");
76         }
77 
78         const ResourceName& parent_name = parent_ref.name.value();
79         if (package_ != parent_name.package) {
80           printer_->Print(parent_name.package);
81           printer_->Print(":");
82         }
83         printer_->Print(parent_name.type.to_string());
84         printer_->Print("/");
85         printer_->Print(parent_name.entry);
86         if (parent_ref.id) {
87           printer_->Print(" (");
88           printer_->Print(parent_ref.id.value().to_string());
89           printer_->Print(")");
90         }
91       } else if (parent_ref.id) {
92         printer_->Print(parent_ref.id.value().to_string());
93       } else {
94         printer_->Print("???");
95       }
96     }
97   }
98 
Visit(const Array * array)99   void Visit(const Array* array) override {
100     printer_->Print(StringPrintf("(array) size=%zd", array->elements.size()));
101   }
102 
Visit(const Plural * plural)103   void Visit(const Plural* plural) override {
104     size_t count = std::count_if(plural->values.begin(), plural->values.end(),
105                                  [](const std::unique_ptr<Item>& v) { return v != nullptr; });
106     printer_->Print(StringPrintf("(plurals) size=%zd", count));
107   }
108 
Visit(const Styleable * styleable)109   void Visit(const Styleable* styleable) override {
110     printer_->Println(StringPrintf("(styleable) size=%zd", styleable->entries.size()));
111   }
112 
VisitItem(const Item * item)113   void VisitItem(const Item* item) override {
114     // Pretty much guaranteed to be one line.
115     if (const Reference* ref = ValueCast<Reference>(item)) {
116       // Special case Reference so that we can print local resources without a package name.
117       ref->PrettyPrint(package_, printer_);
118     } else {
119       item->PrettyPrint(printer_);
120     }
121   }
122 
123  private:
124   std::string package_;
125   Printer* printer_;
126 };
127 
128 class ValueBodyPrinter : public ConstValueVisitor {
129  public:
130   using ConstValueVisitor::Visit;
131 
ValueBodyPrinter(const std::string & package,Printer * printer)132   explicit ValueBodyPrinter(const std::string& package, Printer* printer)
133       : package_(package), printer_(printer) {
134   }
135 
Visit(const Attribute * attr)136   void Visit(const Attribute* attr) override {
137     constexpr uint32_t kMask = android::ResTable_map::TYPE_ENUM | android::ResTable_map::TYPE_FLAGS;
138     if (attr->type_mask & kMask) {
139       for (const auto& symbol : attr->symbols) {
140         if (symbol.symbol.name) {
141           printer_->Print(symbol.symbol.name.value().entry);
142 
143           if (symbol.symbol.id) {
144             printer_->Print("(");
145             printer_->Print(symbol.symbol.id.value().to_string());
146             printer_->Print(")");
147           }
148         } else if (symbol.symbol.id) {
149           printer_->Print(symbol.symbol.id.value().to_string());
150         } else {
151           printer_->Print("???");
152         }
153 
154         printer_->Println(StringPrintf("=0x%08x", symbol.value));
155       }
156     }
157   }
158 
Visit(const Style * style)159   void Visit(const Style* style) override {
160     for (const auto& entry : style->entries) {
161       if (entry.key.name) {
162         const ResourceName& name = entry.key.name.value();
163         if (!name.package.empty() && name.package != package_) {
164           printer_->Print(name.package);
165           printer_->Print(":");
166         }
167         printer_->Print(name.entry);
168 
169         if (entry.key.id) {
170           printer_->Print("(");
171           printer_->Print(entry.key.id.value().to_string());
172           printer_->Print(")");
173         }
174       } else if (entry.key.id) {
175         printer_->Print(entry.key.id.value().to_string());
176       } else {
177         printer_->Print("???");
178       }
179 
180       printer_->Print("=");
181       PrintItem(*entry.value);
182       printer_->Println();
183     }
184   }
185 
Visit(const Array * array)186   void Visit(const Array* array) override {
187     const size_t count = array->elements.size();
188     printer_->Print("[");
189     for (size_t i = 0u; i < count; i++) {
190       if (i != 0u && i % 4u == 0u) {
191         printer_->Println();
192         printer_->Print(" ");
193       }
194       PrintItem(*array->elements[i]);
195       if (i != count - 1) {
196         printer_->Print(", ");
197       }
198     }
199     printer_->Println("]");
200   }
201 
Visit(const Plural * plural)202   void Visit(const Plural* plural) override {
203     constexpr std::array<const char*, Plural::Count> kPluralNames = {
204         {"zero", "one", "two", "few", "many", "other"}};
205 
206     for (size_t i = 0; i < Plural::Count; i++) {
207       if (plural->values[i] != nullptr) {
208         printer_->Print(StringPrintf("%s=", kPluralNames[i]));
209         PrintItem(*plural->values[i]);
210         printer_->Println();
211       }
212     }
213   }
214 
Visit(const Styleable * styleable)215   void Visit(const Styleable* styleable) override {
216     for (const auto& attr : styleable->entries) {
217       if (attr.name) {
218         const ResourceName& name = attr.name.value();
219         if (!name.package.empty() && name.package != package_) {
220           printer_->Print(name.package);
221           printer_->Print(":");
222         }
223         printer_->Print(name.entry);
224 
225         if (attr.id) {
226           printer_->Print("(");
227           printer_->Print(attr.id.value().to_string());
228           printer_->Print(")");
229         }
230       }
231 
232       if (attr.id) {
233         printer_->Print(attr.id.value().to_string());
234       }
235       printer_->Println();
236     }
237   }
238 
VisitItem(const Item * item)239   void VisitItem(const Item* item) override {
240     // Intentionally left empty, we already printed the Items.
241   }
242 
243  private:
PrintItem(const Item & item)244   void PrintItem(const Item& item) {
245     if (const Reference* ref = ValueCast<Reference>(&item)) {
246       // Special case Reference so that we can print local resources without a package name.
247       ref->PrettyPrint(package_, printer_);
248     } else {
249       item.PrettyPrint(printer_);
250     }
251   }
252 
253   std::string package_;
254   Printer* printer_;
255 };
256 
257 }  // namespace
258 
PrintTable(const ResourceTable & table,const DebugPrintTableOptions & options,Printer * printer)259 void Debug::PrintTable(const ResourceTable& table, const DebugPrintTableOptions& options,
260                        Printer* printer) {
261   const auto table_view = table.GetPartitionedView();
262   for (const auto& package : table_view.packages) {
263     ValueHeadlinePrinter headline_printer(package.name, printer);
264     ValueBodyPrinter body_printer(package.name, printer);
265 
266     printer->Print("Package name=");
267     printer->Print(package.name);
268     if (package.id) {
269       printer->Print(StringPrintf(" id=%02x", package.id.value()));
270     }
271     printer->Println();
272 
273     printer->Indent();
274     for (const auto& type : package.types) {
275       printer->Print("type ");
276       printer->Print(to_string(type.type));
277       if (type.id) {
278         printer->Print(StringPrintf(" id=%02x", type.id.value()));
279       }
280       printer->Println(StringPrintf(" entryCount=%zd", type.entries.size()));
281 
282       printer->Indent();
283       for (const ResourceTableEntryView& entry : type.entries) {
284         printer->Print("resource ");
285         printer->Print(ResourceId(package.id.value_or(0), type.id.value_or(0), entry.id.value_or(0))
286                            .to_string());
287         printer->Print(" ");
288 
289         // Write the name without the package (this is obvious and too verbose).
290         printer->Print(to_string(type.type));
291         printer->Print("/");
292         printer->Print(entry.name);
293 
294         switch (entry.visibility.level) {
295           case Visibility::Level::kPublic:
296             printer->Print(" PUBLIC");
297             break;
298           case Visibility::Level::kPrivate:
299             printer->Print(" _PRIVATE_");
300             break;
301           case Visibility::Level::kUndefined:
302             // Print nothing.
303             break;
304         }
305 
306         if (entry.visibility.staged_api) {
307           printer->Print(" STAGED");
308         }
309 
310         if (entry.overlayable_item) {
311           printer->Print(" OVERLAYABLE");
312         }
313 
314         if (entry.staged_id) {
315           printer->Print(" STAGED_ID=");
316           printer->Print(entry.staged_id.value().id.to_string());
317         }
318 
319         printer->Println();
320 
321         if (options.show_values) {
322           printer->Indent();
323           for (const auto& value : entry.values) {
324             printer->Print("(");
325             printer->Print(value->config.to_string());
326             printer->Print(") ");
327             value->value->Accept(&headline_printer);
328             if (options.show_sources && !value->value->GetSource().path.empty()) {
329               printer->Print(" src=");
330               printer->Print(value->value->GetSource().to_string());
331             }
332             printer->Println();
333             printer->Indent();
334             value->value->Accept(&body_printer);
335             printer->Undent();
336           }
337           printer->Undent();
338         }
339       }
340       printer->Undent();
341     }
342     printer->Undent();
343   }
344 }
345 
GetNodeIndex(const std::vector<ResourceName> & names,const ResourceName & name)346 static size_t GetNodeIndex(const std::vector<ResourceName>& names, const ResourceName& name) {
347   auto iter = std::lower_bound(names.begin(), names.end(), name);
348   CHECK(iter != names.end());
349   CHECK(*iter == name);
350   return std::distance(names.begin(), iter);
351 }
352 
PrintStyleGraph(ResourceTable * table,const ResourceName & target_style)353 void Debug::PrintStyleGraph(ResourceTable* table, const ResourceName& target_style) {
354   std::map<ResourceName, std::set<ResourceName>> graph;
355 
356   std::queue<ResourceName> styles_to_visit;
357   styles_to_visit.push(target_style);
358   for (; !styles_to_visit.empty(); styles_to_visit.pop()) {
359     const ResourceName& style_name = styles_to_visit.front();
360     std::set<ResourceName>& parents = graph[style_name];
361     if (!parents.empty()) {
362       // We've already visited this style.
363       continue;
364     }
365 
366     std::optional<ResourceTable::SearchResult> result = table->FindResource(style_name);
367     if (result) {
368       ResourceEntry* entry = result.value().entry;
369       for (const auto& value : entry->values) {
370         if (Style* style = ValueCast<Style>(value->value.get())) {
371           if (style->parent && style->parent.value().name) {
372             parents.insert(style->parent.value().name.value());
373             styles_to_visit.push(style->parent.value().name.value());
374           }
375         }
376       }
377     }
378   }
379 
380   std::vector<ResourceName> names;
381   for (const auto& entry : graph) {
382     names.push_back(entry.first);
383   }
384 
385   std::cout << "digraph styles {\n";
386   for (const auto& name : names) {
387     std::cout << "  node_" << GetNodeIndex(names, name) << " [label=\"" << name << "\"];\n";
388   }
389 
390   for (const auto& entry : graph) {
391     const ResourceName& style_name = entry.first;
392     size_t style_node_index = GetNodeIndex(names, style_name);
393 
394     for (const auto& parent_name : entry.second) {
395       std::cout << "  node_" << style_node_index << " -> "
396                 << "node_" << GetNodeIndex(names, parent_name) << ";\n";
397     }
398   }
399 
400   std::cout << "}" << std::endl;
401 }
402 
DumpHex(const void * data,size_t len)403 void Debug::DumpHex(const void* data, size_t len) {
404   const uint8_t* d = (const uint8_t*)data;
405   for (size_t i = 0; i < len; i++) {
406     std::cerr << std::hex << std::setfill('0') << std::setw(2) << (uint32_t)d[i] << " ";
407     if (i % 8 == 7) {
408       std::cerr << "\n";
409     }
410   }
411 
412   if (len - 1 % 8 != 7) {
413     std::cerr << std::endl;
414   }
415 }
416 
DumpResStringPool(const android::ResStringPool * pool,text::Printer * printer)417 void Debug::DumpResStringPool(const android::ResStringPool* pool, text::Printer* printer) {
418   using namespace android;
419 
420   if (pool->getError() == NO_INIT) {
421     printer->Print("String pool is unitialized.\n");
422     return;
423   } else if (pool->getError() != NO_ERROR) {
424     printer->Print("String pool is corrupt/invalid.\n");
425     return;
426   }
427 
428   SortedVector<const void*> uniqueStrings;
429   const size_t N = pool->size();
430   for (size_t i=0; i<N; i++) {
431     size_t len;
432     if (pool->isUTF8()) {
433       uniqueStrings.add(UnpackOptionalString(pool->string8At(i), &len));
434     } else {
435       uniqueStrings.add(UnpackOptionalString(pool->stringAt(i), &len));
436     }
437   }
438 
439   printer->Print(StringPrintf("String pool of %zd unique %s %s strings, %zd entries and %zd styles "
440                               "using %zd bytes:\n", uniqueStrings.size(),
441                               pool->isUTF8() ? "UTF-8" : "UTF-16",
442                               pool->isSorted() ? "sorted" : "non-sorted", N, pool->styleCount(),
443                               pool->bytes()));
444 
445   const size_t NS = pool->size();
446   for (size_t s=0; s<NS; s++) {
447     auto str = pool->string8ObjectAt(s);
448     printer->Print(StringPrintf("String #%zd : %s\n", s, str.has_value() ? str->string() : ""));
449   }
450 }
451 
452 namespace {
453 
454 class XmlPrinter : public xml::ConstVisitor {
455  public:
456   using xml::ConstVisitor::Visit;
457 
XmlPrinter(Printer * printer)458   explicit XmlPrinter(Printer* printer) : printer_(printer) {
459   }
460 
Visit(const xml::Element * el)461   void Visit(const xml::Element* el) override {
462     for (const xml::NamespaceDecl& decl : el->namespace_decls) {
463       printer_->Println(StringPrintf("N: %s=%s (line=%zu)", decl.prefix.c_str(), decl.uri.c_str(),
464                                      decl.line_number));
465       printer_->Indent();
466     }
467 
468     printer_->Print("E: ");
469     if (!el->namespace_uri.empty()) {
470       printer_->Print(el->namespace_uri);
471       printer_->Print(":");
472     }
473     printer_->Println(StringPrintf("%s (line=%zu)", el->name.c_str(), el->line_number));
474     printer_->Indent();
475 
476     for (const xml::Attribute& attr : el->attributes) {
477       printer_->Print("A: ");
478       if (!attr.namespace_uri.empty()) {
479         printer_->Print(attr.namespace_uri);
480         printer_->Print(":");
481       }
482       printer_->Print(attr.name);
483 
484       if (attr.compiled_attribute) {
485         printer_->Print("(");
486         printer_->Print(attr.compiled_attribute.value().id.value_or(ResourceId(0)).to_string());
487         printer_->Print(")");
488       }
489       printer_->Print("=");
490       if (attr.compiled_value != nullptr) {
491         attr.compiled_value->PrettyPrint(printer_);
492       } else {
493         printer_->Print("\"");
494         printer_->Print(attr.value);
495         printer_->Print("\"");
496       }
497 
498       if (!attr.value.empty()) {
499         printer_->Print(" (Raw: \"");
500         printer_->Print(attr.value);
501         printer_->Print("\")");
502       }
503       printer_->Println();
504     }
505 
506     printer_->Indent();
507     xml::ConstVisitor::Visit(el);
508     printer_->Undent();
509     printer_->Undent();
510 
511     for (size_t i = 0; i < el->namespace_decls.size(); i++) {
512       printer_->Undent();
513     }
514   }
515 
Visit(const xml::Text * text)516   void Visit(const xml::Text* text) override {
517     printer_->Println(StringPrintf("T: '%s'", text->text.c_str()));
518   }
519 
520  private:
521   Printer* printer_;
522 };
523 
524 }  // namespace
525 
DumpXml(const xml::XmlResource & doc,Printer * printer)526 void Debug::DumpXml(const xml::XmlResource& doc, Printer* printer) {
527   XmlPrinter xml_visitor(printer);
528   doc.root->Accept(&xml_visitor);
529 }
530 
531 struct DumpOverlayableEntry {
532   std::string overlayable_section;
533   std::string policy_subsection;
534   std::string resource_name;
535 };
536 
DumpOverlayable(const ResourceTable & table,text::Printer * printer)537 void Debug::DumpOverlayable(const ResourceTable& table, text::Printer* printer) {
538   std::vector<DumpOverlayableEntry> items;
539   for (const auto& package : table.packages) {
540     for (const auto& type : package->types) {
541       for (const auto& entry : type->entries) {
542         if (entry->overlayable_item) {
543           const auto& overlayable_item = entry->overlayable_item.value();
544           const auto overlayable_section = StringPrintf(R"(name="%s" actor="%s")",
545               overlayable_item.overlayable->name.c_str(),
546               overlayable_item.overlayable->actor.c_str());
547           const auto policy_subsection = StringPrintf(R"(policies="%s")",
548               android::idmap2::policy::PoliciesToDebugString(overlayable_item.policies).c_str());
549           const auto value =
550             StringPrintf("%s/%s", to_string(type->type).data(), entry->name.c_str());
551           items.push_back(DumpOverlayableEntry{overlayable_section, policy_subsection, value});
552         }
553       }
554     }
555   }
556 
557   std::sort(items.begin(), items.end(),
558       [](const DumpOverlayableEntry& a, const DumpOverlayableEntry& b) {
559         if (a.overlayable_section != b.overlayable_section) {
560           return a.overlayable_section < b.overlayable_section;
561         }
562         if (a.policy_subsection != b.policy_subsection) {
563           return a.policy_subsection < b.policy_subsection;
564         }
565         return a.resource_name < b.resource_name;
566       });
567 
568   std::string last_overlayable_section;
569   std::string last_policy_subsection;
570   for (const auto& item : items) {
571     if (last_overlayable_section != item.overlayable_section) {
572       printer->Println(item.overlayable_section);
573       last_overlayable_section = item.overlayable_section;
574     }
575     if (last_policy_subsection != item.policy_subsection) {
576       printer->Indent();
577       printer->Println(item.policy_subsection);
578       last_policy_subsection = item.policy_subsection;
579       printer->Undent();
580     }
581     printer->Indent();
582     printer->Indent();
583     printer->Println(item.resource_name);
584     printer->Undent();
585     printer->Undent();
586   }
587 }
588 
589 namespace {
590 
591 using namespace android;
592 
593 class ChunkPrinter {
594  public:
ChunkPrinter(const void * data,size_t len,Printer * printer,IDiagnostics * diag)595   ChunkPrinter(const void* data, size_t len, Printer* printer, IDiagnostics* diag)
596       : data_(data), data_len_(len), printer_(printer), diag_(diag) {
597   }
598 
PrintChunkHeader(const ResChunk_header * chunk)599   void PrintChunkHeader(const ResChunk_header* chunk) {
600     switch (util::DeviceToHost16(chunk->type)) {
601       case RES_STRING_POOL_TYPE:
602         printer_->Print("[RES_STRING_POOL_TYPE]");
603         break;
604       case RES_TABLE_LIBRARY_TYPE:
605         printer_->Print("[RES_TABLE_LIBRARY_TYPE]");
606         break;
607       case RES_TABLE_TYPE:
608         printer_->Print("[ResTable_header]");
609         break;
610       case RES_TABLE_PACKAGE_TYPE:
611         printer_->Print("[ResTable_package]");
612         break;
613       case RES_TABLE_TYPE_TYPE:
614         printer_->Print("[ResTable_type]");
615         break;
616       case RES_TABLE_TYPE_SPEC_TYPE:
617         printer_->Print("[RES_TABLE_TYPE_SPEC_TYPE]");
618         break;
619       default:
620         break;
621     }
622 
623     printer_->Print(StringPrintf(" chunkSize: %u", util::DeviceToHost32(chunk->size)));
624     printer_->Print(StringPrintf(" headerSize: %u", util::DeviceToHost32(chunk->headerSize)));
625   }
626 
PrintTable(const ResTable_header * chunk)627   bool PrintTable(const ResTable_header* chunk) {
628     printer_->Print(
629         StringPrintf(" Package count: %u\n", util::DeviceToHost32(chunk->packageCount)));
630 
631     // Print the chunks contained within the table
632     printer_->Indent();
633     bool success = PrintChunk(
634         ResChunkPullParser(GetChunkData(&chunk->header), GetChunkDataLen(&chunk->header)));
635     printer_->Undent();
636     return success;
637   }
638 
PrintResValue(const Res_value * value,const ConfigDescription & config,const ResourceType * type)639   void PrintResValue(const Res_value* value, const ConfigDescription& config,
640                      const ResourceType* type) {
641     printer_->Print("[Res_value]");
642     printer_->Print(StringPrintf(" size: %u", util::DeviceToHost32(value->size)));
643     printer_->Print(StringPrintf(" dataType: 0x%02x", util::DeviceToHost32(value->dataType)));
644     printer_->Print(StringPrintf(" data: 0x%08x", util::DeviceToHost32(value->data)));
645 
646     if (type) {
647       auto item =
648           ResourceUtils::ParseBinaryResValue(*type, config, value_pool_, *value, &out_pool_);
649       printer_->Print(" (");
650       item->PrettyPrint(printer_);
651       printer_->Print(")");
652     }
653 
654     printer_->Print("\n");
655   }
656 
PrintTableType(const ResTable_type * chunk)657   bool PrintTableType(const ResTable_type* chunk) {
658     printer_->Print(StringPrintf(" id: 0x%02x", util::DeviceToHost32(chunk->id)));
659     printer_->Print(StringPrintf(
660         " name: %s", util::GetString(type_pool_, util::DeviceToHost32(chunk->id) - 1).c_str()));
661     printer_->Print(StringPrintf(" flags: 0x%02x", util::DeviceToHost32(chunk->flags)));
662     printer_->Print(StringPrintf(" entryCount: %u", util::DeviceToHost32(chunk->entryCount)));
663     printer_->Print(StringPrintf(" entryStart: %u", util::DeviceToHost32(chunk->entriesStart)));
664 
665     ConfigDescription config;
666     config.copyFromDtoH(chunk->config);
667     printer_->Print(StringPrintf(" config: %s\n", config.to_string().c_str()));
668 
669     const ResourceType* type =
670         ParseResourceType(util::GetString(type_pool_, util::DeviceToHost32(chunk->id) - 1));
671 
672     printer_->Indent();
673 
674     TypeVariant tv(chunk);
675     for (auto it = tv.beginEntries(); it != tv.endEntries(); ++it) {
676       const ResTable_entry* entry = *it;
677       if (!entry) {
678         continue;
679       }
680 
681       printer_->Print((entry->flags & ResTable_entry::FLAG_COMPLEX) ? "[ResTable_map_entry]"
682                                                                     : "[ResTable_entry]");
683       printer_->Print(StringPrintf(" id: 0x%04x", it.index()));
684       printer_->Print(StringPrintf(
685           " name: %s", util::GetString(key_pool_, util::DeviceToHost32(entry->key.index)).c_str()));
686       printer_->Print(StringPrintf(" keyIndex: %u", util::DeviceToHost32(entry->key.index)));
687       printer_->Print(StringPrintf(" size: %u", util::DeviceToHost32(entry->size)));
688       printer_->Print(StringPrintf(" flags: 0x%04x", util::DeviceToHost32(entry->flags)));
689 
690       printer_->Indent();
691 
692       if (entry->flags & ResTable_entry::FLAG_COMPLEX) {
693         auto map_entry = (const ResTable_map_entry*)entry;
694         printer_->Print(StringPrintf(" count: 0x%04x", util::DeviceToHost32(map_entry->count)));
695         printer_->Print(
696             StringPrintf(" parent: 0x%08x\n", util::DeviceToHost32(map_entry->parent.ident)));
697 
698         // Print the name and value mappings
699         auto maps =
700             (const ResTable_map*)((const uint8_t*)entry + util::DeviceToHost32(entry->size));
701         for (size_t i = 0, count = util::DeviceToHost32(map_entry->count); i < count; i++) {
702           PrintResValue(&(maps[i].value), config, type);
703 
704           printer_->Print(StringPrintf(
705               " name: %s name-id:%d\n",
706               util::GetString(key_pool_, util::DeviceToHost32(maps[i].name.ident)).c_str(),
707               util::DeviceToHost32(maps[i].name.ident)));
708         }
709       } else {
710         printer_->Print("\n");
711 
712         // Print the value of the entry
713         auto value = (const Res_value*)((const uint8_t*)entry + util::DeviceToHost32(entry->size));
714         PrintResValue(value, config, type);
715       }
716 
717       printer_->Undent();
718     }
719 
720     printer_->Undent();
721     return true;
722   }
723 
PrintStringPool(const ResStringPool_header * chunk)724   void PrintStringPool(const ResStringPool_header* chunk) {
725     // Initialize the string pools
726 
727     ResStringPool* pool;
728     if (value_pool_.getError() == NO_INIT) {
729       pool = &value_pool_;
730     } else if (type_pool_.getError() == NO_INIT) {
731       pool = &type_pool_;
732     } else if (key_pool_.getError() == NO_INIT) {
733       pool = &key_pool_;
734     } else {
735       return;
736     }
737 
738     pool->setTo(chunk,
739                 util::DeviceToHost32((reinterpret_cast<const ResChunk_header*>(chunk))->size));
740 
741     printer_->Print("\n");
742 
743     for (size_t i = 0; i < pool->size(); i++) {
744       printer_->Print(StringPrintf("#%zd : %s\n", i, util::GetString(*pool, i).c_str()));
745     }
746   }
747 
PrintPackage(const ResTable_package * chunk)748   bool PrintPackage(const ResTable_package* chunk) {
749     printer_->Print(StringPrintf(" id: 0x%02x", util::DeviceToHost32(chunk->id)));
750 
751     size_t len = strnlen16((const char16_t*)chunk->name, std::size(chunk->name));
752     std::u16string package_name(len, u'\0');
753     package_name.resize(len);
754     for (size_t i = 0; i < len; i++) {
755       package_name[i] = util::DeviceToHost16(chunk->name[i]);
756     }
757 
758     printer_->Print(StringPrintf("name: %s", String8(package_name.c_str()).c_str()));
759     printer_->Print(StringPrintf(" typeStrings: %u", util::DeviceToHost32(chunk->typeStrings)));
760     printer_->Print(
761         StringPrintf(" lastPublicType: %u", util::DeviceToHost32(chunk->lastPublicType)));
762     printer_->Print(StringPrintf(" keyStrings: %u", util::DeviceToHost32(chunk->keyStrings)));
763     printer_->Print(StringPrintf(" lastPublicKey: %u", util::DeviceToHost32(chunk->lastPublicKey)));
764     printer_->Print(StringPrintf(" typeIdOffset: %u\n", util::DeviceToHost32(chunk->typeIdOffset)));
765 
766     // Print the chunks contained within the table
767     printer_->Indent();
768     bool success = PrintChunk(
769         ResChunkPullParser(GetChunkData(&chunk->header), GetChunkDataLen(&chunk->header)));
770     printer_->Undent();
771     return success;
772   }
773 
PrintChunk(ResChunkPullParser && parser)774   bool PrintChunk(ResChunkPullParser&& parser) {
775     while (ResChunkPullParser::IsGoodEvent(parser.Next())) {
776       auto chunk = parser.chunk();
777       PrintChunkHeader(chunk);
778 
779       switch (util::DeviceToHost16(chunk->type)) {
780         case RES_STRING_POOL_TYPE:
781           PrintStringPool(reinterpret_cast<const ResStringPool_header*>(chunk));
782           break;
783 
784         case RES_TABLE_TYPE:
785           PrintTable(reinterpret_cast<const ResTable_header*>(chunk));
786           break;
787 
788         case RES_TABLE_PACKAGE_TYPE:
789           type_pool_.uninit();
790           key_pool_.uninit();
791           PrintPackage(reinterpret_cast<const ResTable_package*>(chunk));
792           break;
793 
794         case RES_TABLE_TYPE_TYPE:
795           PrintTableType(reinterpret_cast<const ResTable_type*>(chunk));
796           break;
797 
798         default:
799           printer_->Print("\n");
800           break;
801       }
802     }
803 
804     if (parser.event() == ResChunkPullParser::Event::kBadDocument) {
805       diag_->Error(DiagMessage(source_) << "corrupt resource table: " << parser.error());
806       return false;
807     }
808 
809     return true;
810   }
811 
Print()812   void Print() {
813     PrintChunk(ResChunkPullParser(data_, data_len_));
814     printer_->Print("[End]\n");
815   }
816 
817  private:
818   const Source source_;
819   const void* data_;
820   const size_t data_len_;
821   Printer* printer_;
822   IDiagnostics* diag_;
823 
824   // The standard value string pool for resource values.
825   ResStringPool value_pool_;
826 
827   // The string pool that holds the names of the types defined
828   // in this table.
829   ResStringPool type_pool_;
830 
831   // The string pool that holds the names of the entries defined
832   // in this table.
833   ResStringPool key_pool_;
834 
835   StringPool out_pool_;
836 };
837 
838 }  // namespace
839 
DumpChunks(const void * data,size_t len,Printer * printer,IDiagnostics * diag)840 void Debug::DumpChunks(const void* data, size_t len, Printer* printer, IDiagnostics* diag) {
841   ChunkPrinter chunk_printer(data, len, printer, diag);
842   chunk_printer.Print();
843 }
844 
845 }  // namespace aapt
846