2c8fc86694
Allows specifying which arguments into aapt2 are file paths. If the path exceeds the maximum path length for Windows, encode the path using the extended-length prefix. Bug: 120853927 Test: aapt2_tests.exe Change-Id: Ibe5c1cc79a70c33c302157f2ffd54525439a910f
120 lines
4.5 KiB
C++
120 lines
4.5 KiB
C++
/*
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* Copyright (C) 2018 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_COMMAND_H
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#define AAPT_COMMAND_H
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#include <functional>
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#include <ostream>
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#include <string>
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#include <unordered_set>
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#include <vector>
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#include "androidfw/StringPiece.h"
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#include "util/Maybe.h"
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namespace aapt {
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class Command {
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public:
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explicit Command(const android::StringPiece& name) : name_(name.to_string()),
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short_name_(""),
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full_subcommand_name_(name.to_string()) {}
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explicit Command(const android::StringPiece& name, const android::StringPiece& short_name)
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: name_(name.to_string()), short_name_(short_name.to_string()),
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full_subcommand_name_(name.to_string()) {}
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virtual ~Command() = default;
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// Behavior flags used with the following functions that change how the command flags are parsed
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// displayed.
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enum : uint32_t {
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// Indicates the arguments are file or folder paths. On Windows, paths that exceed the maximum
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// path length will be converted to use the extended path prefix '//?/'. Without this
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// conversion, files with long paths cannot be opened.
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kPath = 1 << 0,
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};
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void AddRequiredFlag(const android::StringPiece& name, const android::StringPiece& description,
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std::string* value, uint32_t flags = 0);
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void AddRequiredFlagList(const android::StringPiece& name,
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const android::StringPiece& description, std::vector<std::string>* value,
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uint32_t flags = 0);
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void AddOptionalFlag(const android::StringPiece& name, const android::StringPiece& description,
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Maybe<std::string>* value, uint32_t flags = 0);
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void AddOptionalFlagList(const android::StringPiece& name,
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const android::StringPiece& description, std::vector<std::string>* value,
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uint32_t flags = 0);
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void AddOptionalFlagList(const android::StringPiece& name,
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const android::StringPiece& description,
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std::unordered_set<std::string>* value);
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void AddOptionalSwitch(const android::StringPiece& name, const android::StringPiece& description,
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bool* value);
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void AddOptionalSubcommand(std::unique_ptr<Command>&& subcommand, bool experimental = false);
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void SetDescription(const android::StringPiece& name);
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// Prints the help menu of the command.
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void Usage(std::ostream* out);
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// Parses the command line arguments, sets the flag variable values, and runs the action of
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// the command. If the arguments fail to parse to the command and its subcommands, then the action
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// will not be run and the usage will be printed instead.
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int Execute(const std::vector<android::StringPiece>& args, std::ostream* outError);
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// The action to preform when the command is executed.
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virtual int Action(const std::vector<std::string>& args) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(Command);
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struct Flag {
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explicit Flag(const android::StringPiece& name, const android::StringPiece& description,
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const bool is_required, const size_t num_args,
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std::function<bool(const android::StringPiece& value)>&& action)
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: name(name.to_string()), description(description.to_string()), is_required(is_required),
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num_args(num_args), action(std::move(action)) {}
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const std::string name;
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const std::string description;
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const bool is_required;
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const size_t num_args;
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const std::function<bool(const android::StringPiece& value)> action;
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bool found = false;
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};
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const std::string name_;
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const std::string short_name_;
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std::string description_ = "";
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std::string full_subcommand_name_;
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std::vector<Flag> flags_;
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std::vector<std::unique_ptr<Command>> subcommands_;
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std::vector<std::unique_ptr<Command>> experimental_subcommands_;
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};
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} // namespace aapt
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#endif // AAPT_COMMAND_H
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