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134 lines
4.5 KiB
134 lines
4.5 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_FILES_H
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#define AAPT_FILES_H
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#include <memory>
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#include <string>
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#include <unordered_set>
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#include <vector>
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#include "android-base/macros.h"
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#include "androidfw/StringPiece.h"
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#include "utils/FileMap.h"
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#include "Diagnostics.h"
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#include "Maybe.h"
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#include "Source.h"
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namespace aapt {
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namespace file {
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#ifdef _WIN32
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constexpr const char sDirSep = '\\';
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constexpr const char sPathSep = ';';
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#else
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constexpr const char sDirSep = '/';
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constexpr const char sPathSep = ':';
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#endif
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enum class FileType {
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kUnknown = 0,
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kNonexistant,
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kRegular,
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kDirectory,
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kCharDev,
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kBlockDev,
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kFifo,
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kSymlink,
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kSocket,
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};
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FileType GetFileType(const std::string& path);
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// Appends a path to `base`, separated by the directory separator.
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void AppendPath(std::string* base, android::StringPiece part);
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// Concatenates the list of paths and separates each part with the directory separator.
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std::string BuildPath(std::vector<const android::StringPiece>&& args);
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// Makes all the directories in `path`. The last element in the path is interpreted as a directory.
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bool mkdirs(const std::string& path);
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// Returns all but the last part of the path.
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android::StringPiece GetStem(const android::StringPiece& path);
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// Returns the last part of the path with extension.
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android::StringPiece GetFilename(const android::StringPiece& path);
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// Returns the extension of the path. This is the entire string after the first '.' of the last part
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// of the path.
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android::StringPiece GetExtension(const android::StringPiece& path);
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// Returns whether or not the name of the file or directory is a hidden file name
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bool IsHidden(const android::StringPiece& path);
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// Converts a package name (com.android.app) to a path: com/android/app
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std::string PackageToPath(const android::StringPiece& package);
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// Creates a FileMap for the file at path.
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Maybe<android::FileMap> MmapPath(const std::string& path, std::string* out_error);
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// Reads the file at path and appends each line to the outArgList vector.
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bool AppendArgsFromFile(const android::StringPiece& path, std::vector<std::string>* out_arglist,
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std::string* out_error);
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// Reads the file at path and appends each line to the outargset set.
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bool AppendSetArgsFromFile(const android::StringPiece& path,
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std::unordered_set<std::string>* out_argset, std::string* out_error);
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// Filter that determines which resource files/directories are
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// processed by AAPT. Takes a pattern string supplied by the user.
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// Pattern format is specified in the FileFilter::SetPattern() method.
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class FileFilter {
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public:
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explicit FileFilter(IDiagnostics* diag) : diag_(diag) {}
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// Patterns syntax:
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// - Delimiter is :
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// - Entry can start with the flag ! to avoid printing a warning
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// about the file being ignored.
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// - Entry can have the flag "<dir>" to match only directories
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// or <file> to match only files. Default is to match both.
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// - Entry can be a simplified glob "<prefix>*" or "*<suffix>"
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// where prefix/suffix must have at least 1 character (so that
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// we don't match a '*' catch-all pattern.)
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// - The special filenames "." and ".." are always ignored.
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// - Otherwise the full string is matched.
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// - match is not case-sensitive.
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bool SetPattern(const android::StringPiece& pattern);
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// Applies the filter, returning true for pass, false for fail.
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bool operator()(const std::string& filename, FileType type) const;
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private:
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DISALLOW_COPY_AND_ASSIGN(FileFilter);
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IDiagnostics* diag_;
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std::vector<std::string> pattern_tokens_;
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};
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// Returns a list of files relative to the directory identified by `path`.
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// An optional FileFilter filters out any files that don't pass.
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Maybe<std::vector<std::string>> FindFiles(const android::StringPiece& path, IDiagnostics* diag,
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const FileFilter* filter = nullptr);
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} // namespace file
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} // namespace aapt
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#endif // AAPT_FILES_H
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