Merge "AAPT2: Support compiling a res/ directory and output to zip" (2a0dd0e1) · Commits · e / os / android_frameworks_base

tools/aapt2/compile/Compile.cpp

+154 −65

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@
		#include "compile/IdAssigner.h"
		#include "compile/Png.h"
		#include "compile/XmlIdCollector.h"
		#include "flatten/Archive.h"
		#include "flatten/FileExportWriter.h"
		#include "flatten/TableFlattener.h"
		#include "flatten/XmlFlattener.h"
		@@ -31,6 +32,7 @@
		#include "xml/XmlDom.h"
		#include "xml/XmlPullParser.h"

		#include <dirent.h>
		#include <fstream>
		#include <string>

		@@ -90,7 +92,7 @@ static Maybe<ResourcePathData> extractResourcePathData(const std::string& path,
		}

		return ResourcePathData{
		Source{ path },
		Source(path),
		util::utf8ToUtf16(dirStr),
		util::utf8ToUtf16(name),
		extension.toString(),
		@@ -101,25 +103,79 @@ static Maybe<ResourcePathData> extractResourcePathData(const std::string& path,

		struct CompileOptions {
		std::string outputPath;
		Maybe<std::string> resDir;
		Maybe<std::u16string> product;
		bool verbose = false;
		};

		static std::string buildIntermediateFilename(const std::string outDir,
		const ResourcePathData& data) {
		static std::string buildIntermediateFilename(const ResourcePathData& data) {
		std::stringstream name;
		name << data.resourceDir;
		if (!data.configStr.empty()) {
		name << "-" << data.configStr;
		}
		name << "_" << data.name << "." << data.extension << ".flat";
		std::string outPath = outDir;
		file::appendPath(&outPath, name.str());
		return outPath;
		return name.str();
		}

		static bool isHidden(const StringPiece& filename) {
		return util::stringStartsWith<char>(filename, ".");
		}

		/**
		* Walks the res directory structure, looking for resource files.
		*/
		static bool loadInputFilesFromDir(IAaptContext* context, const CompileOptions& options,
		std::vector<ResourcePathData>* outPathData) {
		const std::string& rootDir = options.resDir.value();
		std::unique_ptr<DIR, decltype(closedir)*> d(opendir(rootDir.data()), closedir);
		if (!d) {
		context->getDiagnostics()->error(DiagMessage() << strerror(errno));
		return false;
		}

		while (struct dirent* entry = readdir(d.get())) {
		if (isHidden(entry->d_name)) {
		continue;
		}

		std::string prefixPath = rootDir;
		file::appendPath(&prefixPath, entry->d_name);

		if (file::getFileType(prefixPath) != file::FileType::kDirectory) {
		continue;
		}

		std::unique_ptr<DIR, decltype(closedir)*> subDir(opendir(prefixPath.data()), closedir);
		if (!subDir) {
		context->getDiagnostics()->error(DiagMessage() << strerror(errno));
		return false;
		}

		while (struct dirent* leafEntry = readdir(subDir.get())) {
		if (isHidden(leafEntry->d_name)) {
		continue;
		}

		std::string fullPath = prefixPath;
		file::appendPath(&fullPath, leafEntry->d_name);

		std::string errStr;
		Maybe<ResourcePathData> pathData = extractResourcePathData(fullPath, &errStr);
		if (!pathData) {
		context->getDiagnostics()->error(DiagMessage() << errStr);
		return false;
		}

		outPathData->push_back(std::move(pathData.value()));
		}
		}
		return true;
		}

		static bool compileTable(IAaptContext* context, const CompileOptions& options,
		const ResourcePathData& pathData, const std::string& outputPath) {
		const ResourcePathData& pathData, IArchiveWriter* writer,
		const std::string& outputPath) {
		ResourceTable table;
		{
		std::ifstream fin(pathData.source.path, std::ifstream::binary);
		@@ -150,6 +206,7 @@ static bool compileTable(IAaptContext* context, const CompileOptions& options,
		// Ensure we have the compilation package at least.
		table.createPackage(context->getCompilationPackage());

		// Assign an ID to any package that has resources.
		for (auto& pkg : table.packages) {
		if (!pkg->id) {
		// If no package ID was set while parsing (public identifiers), auto assign an ID.
		@@ -172,23 +229,24 @@ static bool compileTable(IAaptContext* context, const CompileOptions& options,
		return false;
		}

		// Build the output filename.
		std::ofstream fout(outputPath, std::ofstream::binary);
		if (!fout) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		if (!writer->startEntry(outputPath, 0)) {
		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to open");
		return false;
		}

		// Write it to disk.
		if (!util::writeAll(fout, buffer)) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		return false;
		}
		if (writer->writeEntry(buffer)) {
		if (writer->finishEntry()) {
		return true;
		}
		}

		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to write");
		return false;
		}

		static bool compileXml(IAaptContext* context, const CompileOptions& options,
		const ResourcePathData& pathData, const std::string& outputPath) {
		const ResourcePathData& pathData, IArchiveWriter* writer,
		const std::string& outputPath) {

		std::unique_ptr<xml::XmlResource> xmlRes;

		@@ -214,7 +272,7 @@ static bool compileXml(IAaptContext* context, const CompileOptions& options,
		return false;
		}

		xmlRes->file.name = ResourceName{ {}, *parseResourceType(pathData.resourceDir), pathData.name };
		xmlRes->file.name = ResourceName({}, *parseResourceType(pathData.resourceDir), pathData.name);
		xmlRes->file.config = pathData.config;
		xmlRes->file.source = pathData.source;

		@@ -230,25 +288,27 @@ static bool compileXml(IAaptContext* context, const CompileOptions& options,

		fileExportWriter.finish();

		std::ofstream fout(outputPath, std::ofstream::binary);
		if (!fout) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		if (!writer->startEntry(outputPath, 0)) {
		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to open");
		return false;
		}

		// Write it to disk.
		if (!util::writeAll(fout, buffer)) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		return false;
		}
		if (writer->writeEntry(buffer)) {
		if (writer->finishEntry()) {
		return true;
		}
		}

		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to write");
		return false;
		}

		static bool compilePng(IAaptContext* context, const CompileOptions& options,
		const ResourcePathData& pathData, const std::string& outputPath) {
		const ResourcePathData& pathData, IArchiveWriter* writer,
		const std::string& outputPath) {
		BigBuffer buffer(4096);
		ResourceFile resFile;
		resFile.name = ResourceName{ {}, *parseResourceType(pathData.resourceDir), pathData.name };
		resFile.name = ResourceName({}, *parseResourceType(pathData.resourceDir), pathData.name);
		resFile.config = pathData.config;
		resFile.source = pathData.source;

		@@ -269,24 +329,27 @@ static bool compilePng(IAaptContext* context, const CompileOptions& options,

		fileExportWriter.finish();

		std::ofstream fout(outputPath, std::ofstream::binary);
		if (!fout) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		if (!writer->startEntry(outputPath, 0)) {
		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to open");
		return false;
		}

		if (!util::writeAll(fout, buffer)) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		return false;
		}
		if (writer->writeEntry(buffer)) {
		if (writer->finishEntry()) {
		return true;
		}
		}

		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to write");
		return false;
		}

		static bool compileFile(IAaptContext* context, const CompileOptions& options,
		const ResourcePathData& pathData, const std::string& outputPath) {
		const ResourcePathData& pathData, IArchiveWriter* writer,
		const std::string& outputPath) {
		BigBuffer buffer(256);
		ResourceFile resFile;
		resFile.name = ResourceName{ {}, *parseResourceType(pathData.resourceDir), pathData.name };
		resFile.name = ResourceName({}, *parseResourceType(pathData.resourceDir), pathData.name);
		resFile.config = pathData.config;
		resFile.source = pathData.source;

		@@ -299,9 +362,8 @@ static bool compileFile(IAaptContext* context, const CompileOptions& options,
		return false;
		}

		std::ofstream fout(outputPath, std::ofstream::binary);
		if (!fout) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		if (!writer->startEntry(outputPath, 0)) {
		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to open");
		return false;
		}

		@@ -309,17 +371,18 @@ static bool compileFile(IAaptContext* context, const CompileOptions& options,
		// the buffer the entire file.
		fileExportWriter.getChunkHeader()->size =
		util::hostToDevice32(buffer.size() + f.value().getDataLength());
		if (!util::writeAll(fout, buffer)) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		return false;

		if (writer->writeEntry(buffer)) {
		if (writer->writeEntry(f.value().getDataPtr(), f.value().getDataLength())) {
		if (writer->finishEntry()) {
		return true;
		}
		}
		}

		if (!fout.write((const char*) f.value().getDataPtr(), f.value().getDataLength())) {
		context->getDiagnostics()->error(DiagMessage(Source{ outputPath }) << strerror(errno));
		context->getDiagnostics()->error(DiagMessage(outputPath) << "failed to write");
		return false;
		}
		return true;
		}

		class CompileContext : public IAaptContext {
		private:
		@@ -359,6 +422,7 @@ int compile(const std::vector<StringPiece>& args) {
		Flags flags = Flags()
		.requiredFlag("-o", "Output path", &options.outputPath)
		.optionalFlag("--product", "Product type to compile", &product)
		.optionalFlag("--dir", "Directory to scan for resources", &options.resDir)
		.optionalSwitch("-v", "Enables verbose logging", &options.verbose);
		if (!flags.parse("aapt2 compile", args, &std::cerr)) {
		return 1;
		@@ -369,8 +433,24 @@ int compile(const std::vector<StringPiece>& args) {
		}

		CompileContext context;
		std::unique_ptr<IArchiveWriter> archiveWriter;

		std::vector<ResourcePathData> inputData;
		if (options.resDir) {
		if (!flags.getArgs().empty()) {
		// Can't have both files and a resource directory.
		context.getDiagnostics()->error(DiagMessage() << "files given but --dir specified");
		flags.usage("aapt2 compile", &std::cerr);
		return 1;
		}

		if (!loadInputFilesFromDir(&context, options, &inputData)) {
		return 1;
		}

		archiveWriter = createZipFileArchiveWriter(context.getDiagnostics(), options.outputPath);

		} else {
		inputData.reserve(flags.getArgs().size());

		// Collect data from the path for each input file.
		@@ -384,6 +464,13 @@ int compile(const std::vector<StringPiece>& args) {
		}
		}

		archiveWriter = createDirectoryArchiveWriter(context.getDiagnostics(), options.outputPath);
		}

		if (!archiveWriter) {
		return false;
		}

		bool error = false;
		for (ResourcePathData& pathData : inputData) {
		if (options.verbose) {
		@@ -394,32 +481,34 @@ int compile(const std::vector<StringPiece>& args) {
		// Overwrite the extension.
		pathData.extension = "arsc";

		const std::string outputFilename = buildIntermediateFilename(
		options.outputPath, pathData);
		if (!compileTable(&context, options, pathData, outputFilename)) {
		const std::string outputFilename = buildIntermediateFilename(pathData);
		if (!compileTable(&context, options, pathData, archiveWriter.get(), outputFilename)) {
		error = true;
		}

		} else {
		const std::string outputFilename = buildIntermediateFilename(options.outputPath,
		pathData);
		const std::string outputFilename = buildIntermediateFilename(pathData);
		if (const ResourceType* type = parseResourceType(pathData.resourceDir)) {
		if (*type != ResourceType::kRaw) {
		if (pathData.extension == "xml") {
		if (!compileXml(&context, options, pathData, outputFilename)) {
		if (!compileXml(&context, options, pathData, archiveWriter.get(),
		outputFilename)) {
		error = true;
		}
		} else if (pathData.extension == "png" \|\| pathData.extension == "9.png") {
		if (!compilePng(&context, options, pathData, outputFilename)) {
		if (!compilePng(&context, options, pathData, archiveWriter.get(),
		outputFilename)) {
		error = true;
		}
		} else {
		if (!compileFile(&context, options, pathData, outputFilename)) {
		if (!compileFile(&context, options, pathData, archiveWriter.get(),
		outputFilename)) {
		error = true;
		}
		}
		} else {
		if (!compileFile(&context, options, pathData, outputFilename)) {
		if (!compileFile(&context, options, pathData, archiveWriter.get(),
		outputFilename)) {
		error = true;
		}
		}

tools/aapt2/flatten/Archive.cpp

+89 −86

Original line number	Diff line number	Diff line
		@@ -18,7 +18,7 @@
		#include "util/Files.h"
		#include "util/StringPiece.h"

		#include <fstream>
		#include <cstdio>
		#include <memory>
		#include <string>
		#include <vector>
		@@ -30,70 +30,85 @@ namespace {

		struct DirectoryWriter : public IArchiveWriter {
		std::string mOutDir;
		std::vector<std::unique_ptr<ArchiveEntry>> mEntries;
		std::unique_ptr<FILE, decltype(fclose)*> mFile = { nullptr, fclose };

		explicit DirectoryWriter(const StringPiece& outDir) : mOutDir(outDir.toString()) {
		bool open(IDiagnostics* diag, const StringPiece& outDir) {
		mOutDir = outDir.toString();
		file::FileType type = file::getFileType(mOutDir);
		if (type == file::FileType::kNonexistant) {
		diag->error(DiagMessage() << "directory " << mOutDir << " does not exist");
		return false;
		} else if (type != file::FileType::kDirectory) {
		diag->error(DiagMessage() << mOutDir << " is not a directory");
		return false;
		}

		ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags,
		const BigBuffer& buffer) override {
		std::string fullPath = mOutDir;
		file::appendPath(&fullPath, path);
		file::mkdirs(file::getStem(fullPath));

		std::ofstream fout(fullPath, std::ofstream::binary);
		if (!fout) {
		return nullptr;
		return true;
		}

		if (!util::writeAll(fout, buffer)) {
		return nullptr;
		}

		mEntries.push_back(util::make_unique<ArchiveEntry>(fullPath, flags, buffer.size()));
		return mEntries.back().get();
		bool startEntry(const StringPiece& path, uint32_t flags) override {
		if (mFile) {
		return false;
		}

		ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags, android::FileMap* fileMap,
		size_t offset, size_t len) override {
		std::string fullPath = mOutDir;
		file::appendPath(&fullPath, path);
		file::mkdirs(file::getStem(fullPath));

		std::ofstream fout(fullPath, std::ofstream::binary);
		if (!fout) {
		return nullptr;
		mFile = { fopen(fullPath.data(), "wb"), fclose };
		if (!mFile) {
		return false;
		}
		return true;
		}

		if (!fout.write((const char*) fileMap->getDataPtr() + offset, len)) {
		return nullptr;
		bool writeEntry(const BigBuffer& buffer) override {
		if (!mFile) {
		return false;
		}

		mEntries.push_back(util::make_unique<ArchiveEntry>(fullPath, flags, len));
		return mEntries.back().get();
		for (const BigBuffer::Block& b : buffer) {
		if (fwrite(b.buffer.get(), 1, b.size, mFile.get()) != b.size) {
		mFile.reset(nullptr);
		return false;
		}
		}
		return true;
		}

		virtual ~DirectoryWriter() {
		bool writeEntry(const void* data, size_t len) override {
		if (fwrite(data, 1, len, mFile.get()) != len) {
		mFile.reset(nullptr);
		return false;
		}
		return true;
		}

		bool finishEntry() override {
		if (!mFile) {
		return false;
		}
		mFile.reset(nullptr);
		return true;
		}
		};

		struct ZipFileWriter : public IArchiveWriter {
		FILE* mFile;
		std::unique_ptr<FILE, decltype(fclose)*> mFile = { nullptr, fclose };
		std::unique_ptr<ZipWriter> mWriter;
		std::vector<std::unique_ptr<ArchiveEntry>> mEntries;

		explicit ZipFileWriter(const StringPiece& path) {
		mFile = fopen(path.data(), "w+b");
		if (mFile) {
		mWriter = util::make_unique<ZipWriter>(mFile);
		bool open(IDiagnostics* diag, const StringPiece& path) {
		mFile = { fopen(path.data(), "w+b"), fclose };
		if (!mFile) {
		diag->error(DiagMessage() << "failed to open " << path << ": " << strerror(errno));
		return false;
		}
		mWriter = util::make_unique<ZipWriter>(mFile.get());
		return true;
		}

		ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags,
		const BigBuffer& buffer) override {
		bool startEntry(const StringPiece& path, uint32_t flags) override {
		if (!mWriter) {
		return nullptr;
		return false;
		}

		size_t zipFlags = 0;
		@@ -107,75 +122,63 @@ struct ZipFileWriter : public IArchiveWriter {

		int32_t result = mWriter->StartEntry(path.data(), zipFlags);
		if (result != 0) {
		return nullptr;
		}

		for (const BigBuffer::Block& b : buffer) {
		result = mWriter->WriteBytes(reinterpret_cast<const uint8_t*>(b.buffer.get()), b.size);
		if (result != 0) {
		return nullptr;
		return false;
		}
		return true;
		}

		result = mWriter->FinishEntry();
		bool writeEntry(const void* data, size_t len) override {
		int32_t result = mWriter->WriteBytes(data, len);
		if (result != 0) {
		return nullptr;
		}

		mEntries.push_back(util::make_unique<ArchiveEntry>(path.toString(), flags, buffer.size()));
		return mEntries.back().get();
		return false;
		}

		ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags, android::FileMap* fileMap,
		size_t offset, size_t len) override {
		if (!mWriter) {
		return nullptr;
		return true;
		}

		size_t zipFlags = 0;
		if (flags & ArchiveEntry::kCompress) {
		zipFlags \|= ZipWriter::kCompress;
		}

		if (flags & ArchiveEntry::kAlign) {
		zipFlags \|= ZipWriter::kAlign32;
		}

		int32_t result = mWriter->StartEntry(path.data(), zipFlags);
		bool writeEntry(const BigBuffer& buffer) override {
		for (const BigBuffer::Block& b : buffer) {
		int32_t result = mWriter->WriteBytes(b.buffer.get(), b.size);
		if (result != 0) {
		return nullptr;
		return false;
		}

		result = mWriter->WriteBytes((const char*) fileMap->getDataPtr() + offset, len);
		if (result != 0) {
		return nullptr;
		}
		return true;
		}

		result = mWriter->FinishEntry();
		bool finishEntry() override {
		int32_t result = mWriter->FinishEntry();
		if (result != 0) {
		return nullptr;
		return false;
		}

		mEntries.push_back(util::make_unique<ArchiveEntry>(path.toString(), flags, len));
		return mEntries.back().get();
		return true;
		}

		virtual ~ZipFileWriter() {
		if (mWriter) {
		mWriter->Finish();
		fclose(mFile);
		}
		}
		};

		} // namespace

		std::unique_ptr<IArchiveWriter> createDirectoryArchiveWriter(const StringPiece& path) {
		return util::make_unique<DirectoryWriter>(path);
		std::unique_ptr<IArchiveWriter> createDirectoryArchiveWriter(IDiagnostics* diag,
		const StringPiece& path) {

		std::unique_ptr<DirectoryWriter> writer = util::make_unique<DirectoryWriter>();
		if (!writer->open(diag, path)) {
		return {};
		}
		return std::move(writer);
		}

		std::unique_ptr<IArchiveWriter> createZipFileArchiveWriter(const StringPiece& path) {
		return util::make_unique<ZipFileWriter>(path);
		std::unique_ptr<IArchiveWriter> createZipFileArchiveWriter(IDiagnostics* diag,
		const StringPiece& path) {
		std::unique_ptr<ZipFileWriter> writer = util::make_unique<ZipFileWriter>();
		if (!writer->open(diag, path)) {
		return {};
		}
		return std::move(writer);
		}

		} // namespace aapt

tools/aapt2/flatten/Archive.h

+9 −6

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#ifndef AAPT_FLATTEN_ARCHIVE_H
		#define AAPT_FLATTEN_ARCHIVE_H

		#include "Diagnostics.h"
		#include "util/BigBuffer.h"
		#include "util/Files.h"
		#include "util/StringPiece.h"
		@@ -42,15 +43,17 @@ struct ArchiveEntry {
		struct IArchiveWriter {
		virtual ~IArchiveWriter() = default;

		virtual ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags,
		const BigBuffer& buffer) = 0;
		virtual ArchiveEntry* writeEntry(const StringPiece& path, uint32_t flags,
		android::FileMap* fileMap, size_t offset, size_t len) = 0;
		virtual bool startEntry(const StringPiece& path, uint32_t flags) = 0;
		virtual bool writeEntry(const BigBuffer& buffer) = 0;
		virtual bool writeEntry(const void* data, size_t len) = 0;
		virtual bool finishEntry() = 0;
		};

		std::unique_ptr<IArchiveWriter> createDirectoryArchiveWriter(const StringPiece& path);
		std::unique_ptr<IArchiveWriter> createDirectoryArchiveWriter(IDiagnostics* diag,
		const StringPiece& path);

		std::unique_ptr<IArchiveWriter> createZipFileArchiveWriter(const StringPiece& path);
		std::unique_ptr<IArchiveWriter> createZipFileArchiveWriter(IDiagnostics* diag,
		const StringPiece& path);

		} // namespace aapt

tools/aapt2/io/Data.h

0 → 100644

+85 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/

		#ifndef AAPT_IO_DATA_H
		#define AAPT_IO_DATA_H

		#include <utils/FileMap.h>

		#include <memory>

		namespace aapt {
		namespace io {

		/**
		* Interface for a block of contiguous memory. An instance of this interface owns the data.
		*/
		class IData {
		public:
		virtual ~IData() = default;

		virtual const void* data() const = 0;
		virtual size_t size() const = 0;
		};

		/**
		* Implementation of IData that exposes a memory mapped file. The mmapped file is owned by this
		* object.
		*/
		class MmappedData : public IData {
		public:
		explicit MmappedData(android::FileMap&& map) : mMap(std::forward<android::FileMap>(map)) {
		}

		const void* data() const override {
		return mMap.getDataPtr();
		}

		size_t size() const override {
		return mMap.getDataLength();
		}

		private:
		android::FileMap mMap;
		};

		/**
		* Implementation of IData that exposes a block of memory that was malloc'ed (new'ed). The
		* memory is owned by this object.
		*/
		class MallocData : public IData {
		public:
		MallocData(std::unique_ptr<const uint8_t[]> data, size_t size) :
		mData(std::move(data)), mSize(size) {
		}

		const void* data() const override {
		return mData.get();
		}

		size_t size() const override {
		return mSize;
		}

		private:
		std::unique_ptr<const uint8_t[]> mData;
		size_t mSize;
		};

		} // namespace io
		} // namespace aapt

		#endif /* AAPT_IO_DATA_H */

tools/aapt2/io/File.h

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