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-rw-r--r--tools/aapt2/java/JavaClassGenerator.cpp169
1 files changed, 88 insertions, 81 deletions
diff --git a/tools/aapt2/java/JavaClassGenerator.cpp b/tools/aapt2/java/JavaClassGenerator.cpp
index dfd2ef6f5372..7280f3a968a0 100644
--- a/tools/aapt2/java/JavaClassGenerator.cpp
+++ b/tools/aapt2/java/JavaClassGenerator.cpp
@@ -21,7 +21,9 @@
#include "ValueVisitor.h"
#include "java/AnnotationProcessor.h"
+#include "java/ClassDefinitionWriter.h"
#include "java/JavaClassGenerator.h"
+#include "util/Comparators.h"
#include "util/StringPiece.h"
#include <algorithm>
@@ -32,9 +34,6 @@
namespace aapt {
-// The number of attributes to emit per line in a Styleable array.
-constexpr size_t kAttribsPerLine = 4;
-
JavaClassGenerator::JavaClassGenerator(ResourceTable* table, JavaClassGeneratorOptions options) :
mTable(table), mOptions(options) {
}
@@ -92,12 +91,11 @@ bool JavaClassGenerator::skipSymbol(SymbolState state) {
return true;
}
-void JavaClassGenerator::generateStyleable(const StringPiece16& packageNameToGenerate,
- const std::u16string& entryName,
- const Styleable* styleable,
- std::ostream* out) {
- const StringPiece finalModifier = mOptions.useFinal ? " final" : "";
-
+void JavaClassGenerator::writeStyleableEntryForClass(ClassDefinitionWriter* outClassDef,
+ AnnotationProcessor* processor,
+ const StringPiece16& packageNameToGenerate,
+ const std::u16string& entryName,
+ const Styleable* styleable) {
// This must be sorted by resource ID.
std::vector<std::pair<ResourceId, ResourceNameRef>> sortedAttributes;
sortedAttributes.reserve(styleable->entries.size());
@@ -110,36 +108,31 @@ void JavaClassGenerator::generateStyleable(const StringPiece16& packageNameToGen
}
std::sort(sortedAttributes.begin(), sortedAttributes.end());
- // First we emit the array containing the IDs of each attribute.
- *out << " "
- << "public static final int[] " << transform(entryName) << " = {";
-
- const size_t attrCount = sortedAttributes.size();
- for (size_t i = 0; i < attrCount; i++) {
- if (i % kAttribsPerLine == 0) {
- *out << "\n ";
- }
+ auto accessorFunc = [](const std::pair<ResourceId, ResourceNameRef>& a) -> ResourceId {
+ return a.first;
+ };
- *out << sortedAttributes[i].first;
- if (i != attrCount - 1) {
- *out << ", ";
- }
- }
- *out << "\n };\n";
+ // First we emit the array containing the IDs of each attribute.
+ outClassDef->addArrayMember(transform(entryName), processor,
+ sortedAttributes.begin(),
+ sortedAttributes.end(),
+ accessorFunc);
// Now we emit the indices into the array.
+ size_t attrCount = sortedAttributes.size();
for (size_t i = 0; i < attrCount; i++) {
- *out << " "
- << "public static" << finalModifier
- << " int " << transform(entryName);
+ std::stringstream name;
+ name << transform(entryName);
// We may reference IDs from other packages, so prefix the entry name with
// the package.
const ResourceNameRef& itemName = sortedAttributes[i].second;
if (!itemName.package.empty() && packageNameToGenerate != itemName.package) {
- *out << "_" << transform(itemName.package);
+ name << "_" << transform(itemName.package);
}
- *out << "_" << transform(itemName.entry) << " = " << i << ";\n";
+ name << "_" << transform(itemName.entry);
+
+ outClassDef->addIntMember(name.str(), nullptr, i);
}
}
@@ -155,8 +148,8 @@ static void addAttributeFormatDoc(AnnotationProcessor* processor, Attribute* att
if (typeMask & android::ResTable_map::TYPE_STRING) {
processor->appendComment(
- "<p>May be a string value, using '\\;' to escape characters such as\n"
- "'\\n' or '\\uxxxx' for a unicode character;");
+ "<p>May be a string value, using '\\\\;' to escape characters such as\n"
+ "'\\\\n' or '\\\\uxxxx' for a unicode character;");
}
if (typeMask & android::ResTable_map::TYPE_INTEGER) {
@@ -222,14 +215,10 @@ static void addAttributeFormatDoc(AnnotationProcessor* processor, Attribute* att
}
}
-bool JavaClassGenerator::generateType(const StringPiece16& packageNameToGenerate,
- const ResourceTablePackage* package,
- const ResourceTableType* type,
- std::ostream* out) {
- const StringPiece finalModifier = mOptions.useFinal ? " final" : "";
-
- std::u16string unmangledPackage;
- std::u16string unmangledName;
+bool JavaClassGenerator::writeEntriesForClass(ClassDefinitionWriter* outClassDef,
+ const StringPiece16& packageNameToGenerate,
+ const ResourceTablePackage* package,
+ const ResourceTableType* type) {
for (const auto& entry : type->entries) {
if (skipSymbol(entry->symbolStatus.state)) {
continue;
@@ -238,7 +227,8 @@ bool JavaClassGenerator::generateType(const StringPiece16& packageNameToGenerate
ResourceId id(package->id.value(), type->id.value(), entry->id.value());
assert(id.isValid());
- unmangledName = entry->name;
+ std::u16string unmangledPackage;
+ std::u16string unmangledName = entry->name;
if (NameMangler::unmangle(&unmangledName, &unmangledPackage)) {
// The entry name was mangled, and we successfully unmangled it.
// Check that we want to emit this symbol.
@@ -246,12 +236,10 @@ bool JavaClassGenerator::generateType(const StringPiece16& packageNameToGenerate
// Skip the entry if it doesn't belong to the package we're writing.
continue;
}
- } else {
- if (packageNameToGenerate != package->name) {
- // We are processing a mangled package name,
- // but this is a non-mangled resource.
- continue;
- }
+ } else if (packageNameToGenerate != package->name) {
+ // We are processing a mangled package name,
+ // but this is a non-mangled resource.
+ continue;
}
if (!isValidSymbol(unmangledName)) {
@@ -262,39 +250,33 @@ bool JavaClassGenerator::generateType(const StringPiece16& packageNameToGenerate
return false;
}
- if (type->type == ResourceType::kStyleable) {
- assert(!entry->values.empty());
- generateStyleable(packageNameToGenerate, unmangledName, static_cast<const Styleable*>(
- entry->values.front().value.get()), out);
- } else {
- AnnotationProcessor processor(" ");
- if (entry->symbolStatus.state != SymbolState::kUndefined) {
- processor.appendComment(entry->symbolStatus.comment);
- }
+ // Build the comments and annotations for this entry.
- for (const auto& configValue : entry->values) {
- processor.appendComment(configValue.value->getComment());
- }
-
- if (!entry->values.empty()) {
- if (Attribute* attr = valueCast<Attribute>(entry->values.front().value.get())) {
- // We list out the available values for the given attribute.
- addAttributeFormatDoc(&processor, attr);
- }
- }
+ AnnotationProcessor processor;
+ if (entry->symbolStatus.state != SymbolState::kUndefined) {
+ processor.appendComment(entry->symbolStatus.comment);
+ }
- std::string comment = processor.buildComment();
- if (!comment.empty()) {
- *out << comment << "\n";
- }
+ for (const auto& configValue : entry->values) {
+ processor.appendComment(configValue.value->getComment());
+ }
- std::string annotations = processor.buildAnnotations();
- if (!annotations.empty()) {
- *out << annotations << "\n";
+ // If this is an Attribute, append the format Javadoc.
+ if (!entry->values.empty()) {
+ if (Attribute* attr = valueCast<Attribute>(entry->values.front().value.get())) {
+ // We list out the available values for the given attribute.
+ addAttributeFormatDoc(&processor, attr);
}
+ }
- *out << " " << "public static" << finalModifier
- << " int " << transform(unmangledName) << " = " << id << ";\n";
+ if (type->type == ResourceType::kStyleable) {
+ assert(!entry->values.empty());
+ const Styleable* styleable = static_cast<const Styleable*>(
+ entry->values.front().value.get());
+ writeStyleableEntryForClass(outClassDef, &processor, packageNameToGenerate,
+ unmangledName, styleable);
+ } else {
+ outClassDef->addResourceMember(transform(unmangledName), &processor, id);
}
}
return true;
@@ -312,17 +294,42 @@ bool JavaClassGenerator::generate(const StringPiece16& packageNameToGenerate,
for (const auto& package : mTable->packages) {
for (const auto& type : package->types) {
- StringPiece16 typeStr;
if (type->type == ResourceType::kAttrPrivate) {
- typeStr = toString(ResourceType::kAttr);
- } else {
- typeStr = toString(type->type);
+ continue;
}
- *out << " public static final class " << typeStr << " {\n";
- if (!generateType(packageNameToGenerate, package.get(), type.get(), out)) {
+
+ ClassDefinitionWriterOptions classOptions;
+ classOptions.useFinalQualifier = mOptions.useFinal;
+ classOptions.forceCreationIfEmpty =
+ (mOptions.types == JavaClassGeneratorOptions::SymbolTypes::kPublic);
+ ClassDefinitionWriter classDef(toString(type->type), classOptions);
+ bool result = writeEntriesForClass(&classDef, packageNameToGenerate,
+ package.get(), type.get());
+ if (!result) {
return false;
}
- *out << " }\n";
+
+ if (type->type == ResourceType::kAttr) {
+ // Also include private attributes in this same class.
+ auto iter = std::lower_bound(package->types.begin(), package->types.end(),
+ ResourceType::kAttrPrivate, cmp::lessThanType);
+ if (iter != package->types.end() && (*iter)->type == ResourceType::kAttrPrivate) {
+ result = writeEntriesForClass(&classDef, packageNameToGenerate,
+ package.get(), iter->get());
+ if (!result) {
+ return false;
+ }
+ }
+ }
+
+ AnnotationProcessor processor;
+ if (type->type == ResourceType::kStyleable &&
+ mOptions.types == JavaClassGeneratorOptions::SymbolTypes::kPublic) {
+ // When generating a public R class, we don't want Styleable to be part of the API.
+ // It is only emitted for documentation purposes.
+ processor.appendComment("@doconly");
+ }
+ classDef.writeToStream(out, " ", &processor);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 12:18:06 +0000