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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 "Logger.h"
#include "Source.h"
#include "StringPiece.h"
#include <cassert>
#include <string>
#include <vector>
namespace aapt {
#ifdef _WIN32
constexpr const char sDirSep = '\\';
#else
constexpr const char sDirSep = '/';
#endif
enum class FileType {
kUnknown = 0,
kNonexistant,
kRegular,
kDirectory,
kCharDev,
kBlockDev,
kFifo,
kSymlink,
kSocket,
};
FileType getFileType(const StringPiece& path);
/*
* Lists files under the directory `root`. Files are listed
* with just their leaf (filename) names.
*/
std::vector<std::string> listFiles(const StringPiece& root);
/*
* Appends a path to `base`, separated by the directory separator.
*/
void appendPath(std::string* base, const StringPiece& part);
/*
* Appends a series of paths to `base`, separated by the
* system directory separator.
*/
template <typename... Ts >
void appendPath(std::string* base, const StringPiece& part, const Ts&... parts);
/*
* Makes all the directories in `path`. The last element in the path
* is interpreted as a directory.
*/
bool mkdirs(const StringPiece& path);
/**
* Returns all but the last part of the path.
*/
std::string getStem(const StringPiece& path);
/*
* 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(const std::string&) method.
*/
class FileFilter {
public:
/*
* 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 StringPiece& pattern);
/**
* Applies the filter, returning true for pass, false for fail.
*/
bool operator()(const std::string& filename, FileType type) const;
private:
std::vector<std::string> mPatternTokens;
};
inline void appendPath(std::string* base, const StringPiece& part) {
assert(base);
*base += sDirSep;
base->append(part.data(), part.size());
}
template <typename... Ts >
void appendPath(std::string* base, const StringPiece& part, const Ts&... parts) {
assert(base);
*base += sDirSep;
base->append(part.data(), part.size());
appendPath(base, parts...);
}
} // namespace aapt
#endif // AAPT_FILES_H
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