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/*
* Copyright (C) 2015 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 "Debug.h"
#include <algorithm>
#include <map>
#include <memory>
#include <queue>
#include <set>
#include <vector>
#include "android-base/logging.h"
#include "android-base/stringprintf.h"
#include "ResourceTable.h"
#include "ResourceValues.h"
#include "ValueVisitor.h"
#include "text/Printer.h"
#include "util/Util.h"
#include "idmap2/Policies.h"
using ::aapt::text::Printer;
using ::android::StringPiece;
using ::android::base::StringPrintf;
using android::idmap2::policy::kPolicyStringToFlag;
using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;
namespace aapt {
namespace {
class ValueHeadlinePrinter : public ConstValueVisitor {
public:
using ConstValueVisitor::Visit;
explicit ValueHeadlinePrinter(const std::string& package, Printer* printer)
: package_(package), printer_(printer) {
}
void Visit(const Attribute* attr) override {
printer_->Print("(attr) type=");
printer_->Print(attr->MaskString());
if (!attr->symbols.empty()) {
printer_->Print(StringPrintf(" size=%zd", attr->symbols.size()));
}
}
void Visit(const Style* style) override {
printer_->Print(StringPrintf("(style) size=%zd", style->entries.size()));
if (style->parent) {
printer_->Print(" parent=");
const Reference& parent_ref = style->parent.value();
if (parent_ref.name) {
if (parent_ref.private_reference) {
printer_->Print("*");
}
const ResourceName& parent_name = parent_ref.name.value();
if (package_ != parent_name.package) {
printer_->Print(parent_name.package);
printer_->Print(":");
}
printer_->Print(to_string(parent_name.type));
printer_->Print("/");
printer_->Print(parent_name.entry);
if (parent_ref.id) {
printer_->Print(" (");
printer_->Print(parent_ref.id.value().to_string());
printer_->Print(")");
}
} else if (parent_ref.id) {
printer_->Print(parent_ref.id.value().to_string());
} else {
printer_->Print("???");
}
}
}
void Visit(const Array* array) override {
printer_->Print(StringPrintf("(array) size=%zd", array->elements.size()));
}
void Visit(const Plural* plural) override {
size_t count = std::count_if(plural->values.begin(), plural->values.end(),
[](const std::unique_ptr<Item>& v) { return v != nullptr; });
printer_->Print(StringPrintf("(plurals) size=%zd", count));
}
void Visit(const Styleable* styleable) override {
printer_->Println(StringPrintf("(styleable) size=%zd", styleable->entries.size()));
}
void VisitItem(const Item* item) override {
// Pretty much guaranteed to be one line.
if (const Reference* ref = ValueCast<Reference>(item)) {
// Special case Reference so that we can print local resources without a package name.
ref->PrettyPrint(package_, printer_);
} else {
item->PrettyPrint(printer_);
}
}
private:
std::string package_;
Printer* printer_;
};
class ValueBodyPrinter : public ConstValueVisitor {
public:
using ConstValueVisitor::Visit;
explicit ValueBodyPrinter(const std::string& package, Printer* printer)
: package_(package), printer_(printer) {
}
void Visit(const Attribute* attr) override {
constexpr uint32_t kMask = android::ResTable_map::TYPE_ENUM | android::ResTable_map::TYPE_FLAGS;
if (attr->type_mask & kMask) {
for (const auto& symbol : attr->symbols) {
if (symbol.symbol.name) {
printer_->Print(symbol.symbol.name.value().entry);
if (symbol.symbol.id) {
printer_->Print("(");
printer_->Print(symbol.symbol.id.value().to_string());
printer_->Print(")");
}
} else if (symbol.symbol.id) {
printer_->Print(symbol.symbol.id.value().to_string());
} else {
printer_->Print("???");
}
printer_->Println(StringPrintf("=0x%08x", symbol.value));
}
}
}
void Visit(const Style* style) override {
for (const auto& entry : style->entries) {
if (entry.key.name) {
const ResourceName& name = entry.key.name.value();
if (!name.package.empty() && name.package != package_) {
printer_->Print(name.package);
printer_->Print(":");
}
printer_->Print(name.entry);
if (entry.key.id) {
printer_->Print("(");
printer_->Print(entry.key.id.value().to_string());
printer_->Print(")");
}
} else if (entry.key.id) {
printer_->Print(entry.key.id.value().to_string());
} else {
printer_->Print("???");
}
printer_->Print("=");
PrintItem(*entry.value);
printer_->Println();
}
}
void Visit(const Array* array) override {
const size_t count = array->elements.size();
printer_->Print("[");
for (size_t i = 0u; i < count; i++) {
if (i != 0u && i % 4u == 0u) {
printer_->Println();
printer_->Print(" ");
}
PrintItem(*array->elements[i]);
if (i != count - 1) {
printer_->Print(", ");
}
}
printer_->Println("]");
}
void Visit(const Plural* plural) override {
constexpr std::array<const char*, Plural::Count> kPluralNames = {
{"zero", "one", "two", "few", "many", "other"}};
for (size_t i = 0; i < Plural::Count; i++) {
if (plural->values[i] != nullptr) {
printer_->Print(StringPrintf("%s=", kPluralNames[i]));
PrintItem(*plural->values[i]);
printer_->Println();
}
}
}
void Visit(const Styleable* styleable) override {
for (const auto& attr : styleable->entries) {
if (attr.name) {
const ResourceName& name = attr.name.value();
if (!name.package.empty() && name.package != package_) {
printer_->Print(name.package);
printer_->Print(":");
}
printer_->Print(name.entry);
if (attr.id) {
printer_->Print("(");
printer_->Print(attr.id.value().to_string());
printer_->Print(")");
}
}
if (attr.id) {
printer_->Print(attr.id.value().to_string());
}
printer_->Println();
}
}
void VisitItem(const Item* item) override {
// Intentionally left empty, we already printed the Items.
}
private:
void PrintItem(const Item& item) {
if (const Reference* ref = ValueCast<Reference>(&item)) {
// Special case Reference so that we can print local resources without a package name.
ref->PrettyPrint(package_, printer_);
} else {
item.PrettyPrint(printer_);
}
}
std::string package_;
Printer* printer_;
};
} // namespace
void Debug::PrintTable(const ResourceTable& table, const DebugPrintTableOptions& options,
Printer* printer) {
for (const auto& package : table.packages) {
ValueHeadlinePrinter headline_printer(package->name, printer);
ValueBodyPrinter body_printer(package->name, printer);
printer->Print("Package name=");
printer->Print(package->name);
if (package->id) {
printer->Print(StringPrintf(" id=%02x", package->id.value()));
}
printer->Println();
printer->Indent();
for (const auto& type : package->types) {
printer->Print("type ");
printer->Print(to_string(type->type));
if (type->id) {
printer->Print(StringPrintf(" id=%02x", type->id.value()));
}
printer->Println(StringPrintf(" entryCount=%zd", type->entries.size()));
std::vector<const ResourceEntry*> sorted_entries;
for (const auto& entry : type->entries) {
auto iter = std::lower_bound(
sorted_entries.begin(), sorted_entries.end(), entry.get(),
[](const ResourceEntry* a, const ResourceEntry* b) -> bool {
if (a->id && b->id) {
return a->id.value() < b->id.value();
} else if (a->id) {
return true;
} else {
return false;
}
});
sorted_entries.insert(iter, entry.get());
}
printer->Indent();
for (const ResourceEntry* entry : sorted_entries) {
const ResourceId id(package->id.value_or_default(0), type->id.value_or_default(0),
entry->id.value_or_default(0));
printer->Print("resource ");
printer->Print(id.to_string());
printer->Print(" ");
// Write the name without the package (this is obvious and too verbose).
printer->Print(to_string(type->type));
printer->Print("/");
printer->Print(entry->name);
switch (entry->visibility.level) {
case Visibility::Level::kPublic:
printer->Print(" PUBLIC");
break;
case Visibility::Level::kPrivate:
printer->Print(" _PRIVATE_");
break;
case Visibility::Level::kUndefined:
// Print nothing.
break;
}
if (entry->overlayable_item) {
printer->Print(" OVERLAYABLE");
}
printer->Println();
if (options.show_values) {
printer->Indent();
for (const auto& value : entry->values) {
printer->Print("(");
printer->Print(value->config.to_string());
printer->Print(") ");
value->value->Accept(&headline_printer);
if (options.show_sources && !value->value->GetSource().path.empty()) {
printer->Print(" src=");
printer->Print(value->value->GetSource().to_string());
}
printer->Println();
printer->Indent();
value->value->Accept(&body_printer);
printer->Undent();
}
printer->Undent();
}
}
printer->Undent();
}
printer->Undent();
}
}
static size_t GetNodeIndex(const std::vector<ResourceName>& names, const ResourceName& name) {
auto iter = std::lower_bound(names.begin(), names.end(), name);
CHECK(iter != names.end());
CHECK(*iter == name);
return std::distance(names.begin(), iter);
}
void Debug::PrintStyleGraph(ResourceTable* table, const ResourceName& target_style) {
std::map<ResourceName, std::set<ResourceName>> graph;
std::queue<ResourceName> styles_to_visit;
styles_to_visit.push(target_style);
for (; !styles_to_visit.empty(); styles_to_visit.pop()) {
const ResourceName& style_name = styles_to_visit.front();
std::set<ResourceName>& parents = graph[style_name];
if (!parents.empty()) {
// We've already visited this style.
continue;
}
Maybe<ResourceTable::SearchResult> result = table->FindResource(style_name);
if (result) {
ResourceEntry* entry = result.value().entry;
for (const auto& value : entry->values) {
if (Style* style = ValueCast<Style>(value->value.get())) {
if (style->parent && style->parent.value().name) {
parents.insert(style->parent.value().name.value());
styles_to_visit.push(style->parent.value().name.value());
}
}
}
}
}
std::vector<ResourceName> names;
for (const auto& entry : graph) {
names.push_back(entry.first);
}
std::cout << "digraph styles {\n";
for (const auto& name : names) {
std::cout << " node_" << GetNodeIndex(names, name) << " [label=\"" << name << "\"];\n";
}
for (const auto& entry : graph) {
const ResourceName& style_name = entry.first;
size_t style_node_index = GetNodeIndex(names, style_name);
for (const auto& parent_name : entry.second) {
std::cout << " node_" << style_node_index << " -> "
<< "node_" << GetNodeIndex(names, parent_name) << ";\n";
}
}
std::cout << "}" << std::endl;
}
void Debug::DumpHex(const void* data, size_t len) {
const uint8_t* d = (const uint8_t*)data;
for (size_t i = 0; i < len; i++) {
std::cerr << std::hex << std::setfill('0') << std::setw(2) << (uint32_t)d[i] << " ";
if (i % 8 == 7) {
std::cerr << "\n";
}
}
if (len - 1 % 8 != 7) {
std::cerr << std::endl;
}
}
void Debug::DumpResStringPool(const android::ResStringPool* pool, text::Printer* printer) {
using namespace android;
if (pool->getError() == NO_INIT) {
printer->Print("String pool is unitialized.\n");
return;
} else if (pool->getError() != NO_ERROR) {
printer->Print("String pool is corrupt/invalid.\n");
return;
}
SortedVector<const void*> uniqueStrings;
const size_t N = pool->size();
for (size_t i=0; i<N; i++) {
size_t len;
if (pool->isUTF8()) {
uniqueStrings.add(pool->string8At(i, &len));
} else {
uniqueStrings.add(pool->stringAt(i, &len));
}
}
printer->Print(StringPrintf("String pool of %zd unique %s %s strings, %zd entries and %zd styles "
"using %zd bytes:\n", uniqueStrings.size(),
pool->isUTF8() ? "UTF-8" : "UTF-16",
pool->isSorted() ? "sorted" : "non-sorted", N, pool->styleCount(),
pool->bytes()));
const size_t NS = pool->size();
for (size_t s=0; s<NS; s++) {
String8 str = pool->string8ObjectAt(s);
printer->Print(StringPrintf("String #%zd : %s\n", s, str.string()));
}
}
namespace {
class XmlPrinter : public xml::ConstVisitor {
public:
using xml::ConstVisitor::Visit;
explicit XmlPrinter(Printer* printer) : printer_(printer) {
}
void Visit(const xml::Element* el) override {
for (const xml::NamespaceDecl& decl : el->namespace_decls) {
printer_->Println(StringPrintf("N: %s=%s (line=%zu)", decl.prefix.c_str(), decl.uri.c_str(),
decl.line_number));
printer_->Indent();
}
printer_->Print("E: ");
if (!el->namespace_uri.empty()) {
printer_->Print(el->namespace_uri);
printer_->Print(":");
}
printer_->Println(StringPrintf("%s (line=%zu)", el->name.c_str(), el->line_number));
printer_->Indent();
for (const xml::Attribute& attr : el->attributes) {
printer_->Print("A: ");
if (!attr.namespace_uri.empty()) {
printer_->Print(attr.namespace_uri);
printer_->Print(":");
}
printer_->Print(attr.name);
if (attr.compiled_attribute) {
printer_->Print("(");
printer_->Print(
attr.compiled_attribute.value().id.value_or_default(ResourceId(0)).to_string());
printer_->Print(")");
}
printer_->Print("=");
if (attr.compiled_value != nullptr) {
attr.compiled_value->PrettyPrint(printer_);
} else {
printer_->Print("\"");
printer_->Print(attr.value);
printer_->Print("\"");
}
if (!attr.value.empty()) {
printer_->Print(" (Raw: \"");
printer_->Print(attr.value);
printer_->Print("\")");
}
printer_->Println();
}
printer_->Indent();
xml::ConstVisitor::Visit(el);
printer_->Undent();
printer_->Undent();
for (size_t i = 0; i < el->namespace_decls.size(); i++) {
printer_->Undent();
}
}
void Visit(const xml::Text* text) override {
printer_->Println(StringPrintf("T: '%s'", text->text.c_str()));
}
private:
Printer* printer_;
};
} // namespace
void Debug::DumpXml(const xml::XmlResource& doc, Printer* printer) {
XmlPrinter xml_visitor(printer);
doc.root->Accept(&xml_visitor);
}
struct DumpOverlayableEntry {
std::string overlayable_section;
std::string policy_subsection;
std::string resource_name;
};
void Debug::DumpOverlayable(const ResourceTable& table, text::Printer* printer) {
std::vector<DumpOverlayableEntry> items;
for (const auto& package : table.packages) {
for (const auto& type : package->types) {
for (const auto& entry : type->entries) {
if (entry->overlayable_item) {
const auto& overlayable_item = entry->overlayable_item.value();
const auto overlayable_section = StringPrintf(R"(name="%s" actor="%s")",
overlayable_item.overlayable->name.c_str(),
overlayable_item.overlayable->actor.c_str());
const auto policy_subsection = StringPrintf(R"(policies="%s")",
android::idmap2::policy::PoliciesToDebugString(overlayable_item.policies).c_str());
const auto value =
StringPrintf("%s/%s", to_string(type->type).data(), entry->name.c_str());
items.push_back(DumpOverlayableEntry{overlayable_section, policy_subsection, value});
}
}
}
}
std::sort(items.begin(), items.end(),
[](const DumpOverlayableEntry& a, const DumpOverlayableEntry& b) {
if (a.overlayable_section != b.overlayable_section) {
return a.overlayable_section < b.overlayable_section;
}
if (a.policy_subsection != b.policy_subsection) {
return a.policy_subsection < b.policy_subsection;
}
return a.resource_name < b.resource_name;
});
std::string last_overlayable_section;
std::string last_policy_subsection;
for (const auto& item : items) {
if (last_overlayable_section != item.overlayable_section) {
printer->Println(item.overlayable_section);
last_overlayable_section = item.overlayable_section;
}
if (last_policy_subsection != item.policy_subsection) {
printer->Indent();
printer->Println(item.policy_subsection);
last_policy_subsection = item.policy_subsection;
printer->Undent();
}
printer->Indent();
printer->Indent();
printer->Println(item.resource_name);
printer->Undent();
printer->Undent();
}
}
} // namespace aapt