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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.
*/
#ifndef AAPT_FILES_H
#define AAPT_FILES_H
#include <memory>
#include <string>
#include <vector>
#include "android-base/macros.h"
#include "androidfw/StringPiece.h"
#include "utils/FileMap.h"
#include "Diagnostics.h"
#include "Maybe.h"
#include "Source.h"
namespace aapt {
namespace file {
#ifdef _WIN32
constexpr const char sDirSep = '\\';
constexpr const char sPathSep = ';';
#else
constexpr const char sDirSep = '/';
constexpr const char sPathSep = ':';
#endif
enum class FileType {
kUnknown = 0,
kNonexistant,
kRegular,
kDirectory,
kCharDev,
kBlockDev,
kFifo,
kSymlink,
kSocket,
};
FileType GetFileType(const std::string& path);
// Appends a path to `base`, separated by the directory separator.
void AppendPath(std::string* base, android::StringPiece part);
// Makes all the directories in `path`. The last element in the path is interpreted as a directory.
bool mkdirs(const std::string& path);
// Returns all but the last part of the path.
android::StringPiece GetStem(const android::StringPiece& path);
// Returns the last part of the path with extension.
android::StringPiece GetFilename(const android::StringPiece& path);
// Returns the extension of the path. This is the entire string after the first '.' of the last part
// of the path.
android::StringPiece GetExtension(const android::StringPiece& path);
// Converts a package name (com.android.app) to a path: com/android/app
std::string PackageToPath(const android::StringPiece& package);
// Creates a FileMap for the file at path.
Maybe<android::FileMap> MmapPath(const std::string& path, std::string* out_error);
// Reads the file at path and appends each line to the outArgList vector.
bool AppendArgsFromFile(const android::StringPiece& path, std::vector<std::string>* out_arglist,
std::string* out_error);
// Filter that determines which resource files/directories are
// processed by AAPT. Takes a pattern string supplied by the user.
// Pattern format is specified in the FileFilter::SetPattern() method.
class FileFilter {
public:
explicit FileFilter(IDiagnostics* diag) : diag_(diag) {}
// Patterns syntax:
// - Delimiter is :
// - Entry can start with the flag ! to avoid printing a warning
// about the file being ignored.
// - Entry can have the flag "<dir>" to match only directories
// or <file> to match only files. Default is to match both.
// - Entry can be a simplified glob "<prefix>*" or "*<suffix>"
// where prefix/suffix must have at least 1 character (so that
// we don't match a '*' catch-all pattern.)
// - The special filenames "." and ".." are always ignored.
// - Otherwise the full string is matched.
// - match is not case-sensitive.
bool SetPattern(const android::StringPiece& pattern);
// Applies the filter, returning true for pass, false for fail.
bool operator()(const std::string& filename, FileType type) const;
private:
DISALLOW_COPY_AND_ASSIGN(FileFilter);
IDiagnostics* diag_;
std::vector<std::string> pattern_tokens_;
};
// Returns a list of files relative to the directory identified by `path`.
// An optional FileFilter filters out any files that don't pass.
Maybe<std::vector<std::string>> FindFiles(const android::StringPiece& path, IDiagnostics* diag,
const FileFilter* filter = nullptr);
} // namespace file
} // namespace aapt
#endif // AAPT_FILES_H
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