Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

AAPT2: Generate R.txt

Browse Source 
In order to support a staged rollout of support for AAPT2,
libraries being built the old way (merged into a single resource
directory) still need to make use of the generated R.txt AAPT
emitted. Do the same as AAPT.

Test: manual
Change-Id: Iaac1e824ddbd67e4efbab7692cddc1e4aa052f5a
This commit is contained in:
Adam Lesinski
2017-04-11 17:36:53 -07:00
parent ec8f353668
commit 418763ff54
3 changed files with 87 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
tools/aapt2/cmd/Link.cpp
View File

@@ -87,6 +87,7 @@ struct LinkOptions {
Maybe<std::string> generate_java_class_path;
Maybe<std::string> custom_java_package;
std::set<std::string> extra_java_packages;
Maybe<std::string> generate_text_symbols_path;
Maybe<std::string> generate_proguard_rules_path;
Maybe<std::string> generate_main_dex_proguard_rules_path;
bool generate_non_final_ids = false;
@@ -837,8 +838,8 @@ class LinkCommand {
}
bool WriteJavaFile(ResourceTable* table, const StringPiece& package_name_to_generate,
const StringPiece& out_package,
const JavaClassGeneratorOptions& java_options) {
const StringPiece& out_package, const JavaClassGeneratorOptions& java_options,
const Maybe<std::string> out_text_symbols_path = {}) {
if (!options_.generate_java_class_path) {
return true;
}
@@ -861,8 +862,20 @@ class LinkCommand {
return false;
}
std::unique_ptr<std::ofstream> fout_text;
if (out_text_symbols_path) {
fout_text =
util::make_unique<std::ofstream>(out_text_symbols_path.value(), std::ofstream::binary);
if (!*fout_text) {
context_->GetDiagnostics()->Error(
DiagMessage() << "failed writing to '" << out_text_symbols_path.value()
<< "': " << android::base::SystemErrorCodeToString(errno));
return false;
}
}
JavaClassGenerator generator(context_, table, java_options);
if (!generator.Generate(package_name_to_generate, out_package, &fout)) {
if (!generator.Generate(package_name_to_generate, out_package, &fout, fout_text.get())) {
context_->GetDiagnostics()->Error(DiagMessage(out_path) << generator.getError());
return false;
}
@@ -1683,7 +1696,8 @@ class LinkCommand {
std::move(packages_to_callback);
}
if (!WriteJavaFile(&final_table_, actual_package, output_package, options)) {
if (!WriteJavaFile(&final_table_, actual_package, output_package, options,
options_.generate_text_symbols_path)) {
return 1;
}
}
@@ -1785,9 +1799,9 @@ int Link(const std::vector<StringPiece>& args) {
.OptionalSwitch("-z", "Require localization of strings marked 'suggested'.",
&require_localization)
.OptionalFlagList("-c",
"Comma separated list of configurations to include. The default\n"
"is all configurations.",
&configs)
"Comma separated list of configurations to include. The default\n"
"is all configurations.",
&configs)
.OptionalFlag("--preferred-density",
"Selects the closest matching density and strips out all others.",
&preferred_density)
@@ -1841,6 +1855,10 @@ int Link(const std::vector<StringPiece>& args) {
.OptionalFlagList("--add-javadoc-annotation",
"Adds a JavaDoc annotation to all generated Java classes.",
&options.javadoc_annotations)
.OptionalFlag("--output-text-symbols",
"Generates a text file containing the resource symbols of the R class in\n"
"the specified folder.",
&options.generate_text_symbols_path)
.OptionalSwitch("--auto-add-overlay",
"Allows the addition of new resources in overlays without\n"
"<add-resource> tags.",

64
tools/aapt2/java/JavaClassGenerator.cpp
View File

@@ -22,6 +22,7 @@
#include <sstream>
#include <tuple>
#include "android-base/errors.h"
#include "android-base/logging.h"
#include "android-base/stringprintf.h"
#include "androidfw/StringPiece.h"
@@ -227,7 +228,8 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
const Styleable& styleable,
const StringPiece& package_name_to_generate,
ClassDefinition* out_class_def,
MethodDefinition* out_rewrite_method) {
MethodDefinition* out_rewrite_method,
std::ostream* out_r_txt) {
const std::string array_field_name = TransformToFieldName(name.entry);
std::unique_ptr<ResourceArrayMember> array_def =
util::make_unique<ResourceArrayMember>(array_field_name);
@@ -328,10 +330,25 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
array_def->GetCommentBuilder()->AppendComment(styleable_comment.str());
}
if (out_r_txt != nullptr) {
*out_r_txt << "int[] styleable " << array_field_name << " {";
}
// Add the ResourceIds to the array member.
for (const StyleableAttr& styleable_attr : sorted_attributes) {
const ResourceId id = styleable_attr.attr_ref->id.value_or_default(ResourceId(0));
for (size_t i = 0; i < attr_count; i++) {
const ResourceId id = sorted_attributes[i].attr_ref->id.value_or_default(ResourceId(0));
array_def->AddElement(id);
if (out_r_txt != nullptr) {
if (i != 0) {
*out_r_txt << ",";
}
*out_r_txt << " " << id;
}
}
if (out_r_txt != nullptr) {
*out_r_txt << " }\n";
}
// Add the Styleable array to the Styleable class.
@@ -386,6 +403,11 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
attr_processor->AppendComment(
StringPrintf("@attr name %s:%s", package_name.data(), attr_name.entry.data()));
if (out_r_txt != nullptr) {
*out_r_txt << StringPrintf("int styleable %s %d\n", sorted_attributes[i].field_name.data(),
(int)i);
}
out_class_def->AddMember(std::move(index_member));
}
@@ -406,7 +428,8 @@ void JavaClassGenerator::ProcessStyleable(const ResourceNameRef& name, const Res
void JavaClassGenerator::ProcessResource(const ResourceNameRef& name, const ResourceId& id,
const ResourceEntry& entry, ClassDefinition* out_class_def,
MethodDefinition* out_rewrite_method) {
MethodDefinition* out_rewrite_method,
std::ostream* out_r_txt) {
const std::string field_name = TransformToFieldName(name.entry);
std::unique_ptr<ResourceMember> resource_member =
util::make_unique<ResourceMember>(field_name, id);
@@ -434,6 +457,10 @@ void JavaClassGenerator::ProcessResource(const ResourceNameRef& name, const Reso
out_class_def->AddMember(std::move(resource_member));
if (out_r_txt != nullptr) {
*out_r_txt << "int " << name.type << " " << field_name << " " << id << "\n";
}
if (out_rewrite_method != nullptr) {
const StringPiece& type_str = ToString(name.type);
out_rewrite_method->AppendStatement(StringPrintf("%s.%s = (%s.%s & 0x00ffffff) | (p << 24);",
@@ -470,7 +497,8 @@ bool JavaClassGenerator::ProcessType(const StringPiece& package_name_to_generate
const ResourceTablePackage& package,
const ResourceTableType& type,
ClassDefinition* out_type_class_def,
MethodDefinition* out_rewrite_method_def) {
MethodDefinition* out_rewrite_method_def,
std::ostream* out_r_txt) {
for (const auto& entry : type.entries) {
const Maybe<std::string> unmangled_name =
UnmangleResource(package.name, package_name_to_generate, *entry);
@@ -505,15 +533,17 @@ bool JavaClassGenerator::ProcessType(const StringPiece& package_name_to_generate
static_cast<const Styleable*>(entry->values.front()->value.get());
ProcessStyleable(resource_name, id, *styleable, package_name_to_generate, out_type_class_def,
out_rewrite_method_def);
out_rewrite_method_def, out_r_txt);
} else {
ProcessResource(resource_name, id, *entry, out_type_class_def, out_rewrite_method_def);
ProcessResource(resource_name, id, *entry, out_type_class_def, out_rewrite_method_def,
out_r_txt);
}
}
return true;
}
bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate, std::ostream* out) {
bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate, std::ostream* out,
std::ostream* out_r_txt) {
return Generate(package_name_to_generate, package_name_to_generate, out);
}
@@ -527,8 +557,8 @@ static void AppendJavaDocAnnotations(const std::vector<std::string>& annotations
}
bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate,
const StringPiece& out_package_name,
std::ostream* out) {
const StringPiece& out_package_name, std::ostream* out,
std::ostream* out_r_txt) {
ClassDefinition r_class("R", ClassQualifier::kNone, true);
std::unique_ptr<MethodDefinition> rewrite_method;
@@ -558,7 +588,7 @@ bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate,
std::unique_ptr<ClassDefinition> class_def = util::make_unique<ClassDefinition>(
ToString(type->type), ClassQualifier::kStatic, force_creation_if_empty);
if (!ProcessType(package_name_to_generate, *package, *type, class_def.get(),
rewrite_method.get())) {
rewrite_method.get(), out_r_txt)) {
return false;
}
@@ -567,7 +597,7 @@ bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate,
const ResourceTableType* priv_type = package->FindType(ResourceType::kAttrPrivate);
if (priv_type) {
if (!ProcessType(package_name_to_generate, *package, *priv_type, class_def.get(),
rewrite_method.get())) {
rewrite_method.get(), out_r_txt)) {
return false;
}
}
@@ -597,6 +627,16 @@ bool JavaClassGenerator::Generate(const StringPiece& package_name_to_generate,
}
out->flush();
if (out_r_txt != nullptr) {
out_r_txt->flush();
if (!*out_r_txt) {
error_ = android::base::SystemErrorCodeToString(errno);
return false;
}
}
return true;
}

16
tools/aapt2/java/JavaClassGenerator.h
View File

@@ -59,7 +59,7 @@ struct JavaClassGeneratorOptions {
std::vector<std::string> javadoc_annotations;
};
// Generates the R.java file for a resource table.
// Generates the R.java file for a resource table and optionally an R.txt file.
class JavaClassGenerator {
public:
JavaClassGenerator(IAaptContext* context, ResourceTable* table,
@@ -69,10 +69,12 @@ class JavaClassGenerator {
// All symbols technically belong to a single package, but linked libraries will
// have their names mangled, denoting that they came from a different package.
// We need to generate these symbols in a separate file. Returns true on success.
bool Generate(const android::StringPiece& package_name_to_generate, std::ostream* out);
bool Generate(const android::StringPiece& package_name_to_generate, std::ostream* out,
std::ostream* out_r_txt = nullptr);
bool Generate(const android::StringPiece& package_name_to_generate,
const android::StringPiece& output_package_name, std::ostream* out);
const android::StringPiece& output_package_name, std::ostream* out,
std::ostream* out_r_txt = nullptr);
const std::string& getError() const;
@@ -88,13 +90,14 @@ class JavaClassGenerator {
bool ProcessType(const android::StringPiece& package_name_to_generate,
const ResourceTablePackage& package, const ResourceTableType& type,
ClassDefinition* out_type_class_def, MethodDefinition* out_rewrite_method_def);
ClassDefinition* out_type_class_def, MethodDefinition* out_rewrite_method_def,
std::ostream* out_r_txt);
// Writes a resource to the R.java file, optionally writing out a rewrite rule for its package
// ID if `out_rewrite_method` is not nullptr.
void ProcessResource(const ResourceNameRef& name, const ResourceId& id,
const ResourceEntry& entry, ClassDefinition* out_class_def,
MethodDefinition* out_rewrite_method);
MethodDefinition* out_rewrite_method, std::ostream* out_r_txt);
// Writes a styleable resource to the R.java file, optionally writing out a rewrite rule for
// its package ID if `out_rewrite_method` is not nullptr.
@@ -102,7 +105,8 @@ class JavaClassGenerator {
void ProcessStyleable(const ResourceNameRef& name, const ResourceId& id,
const Styleable& styleable,
const android::StringPiece& package_name_to_generate,
ClassDefinition* out_class_def, MethodDefinition* out_rewrite_method);
ClassDefinition* out_class_def, MethodDefinition* out_rewrite_method,
std::ostream* out_r_txt);
IAaptContext* context_;
ResourceTable* table_;