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// Copyright 2011 Google Inc. All Rights Reserved.
//
// 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 NINJA_CLEAN_H_
#define NINJA_CLEAN_H_
#include "build.h"
#include <string>
#include <set>
using namespace std;
struct State;
struct BuildConfig;
struct Node;
struct Rule;
struct DiskInterface;
class Cleaner
{
public:
/// Build a cleaner object with a real disk interface.
Cleaner(State* state, const BuildConfig& config);
/// Build a cleaner object with the given @a disk_interface
/// (Useful for testing).
Cleaner(State* state,
const BuildConfig& config,
DiskInterface* disk_interface);
/// Clean the given @a target and all the file built for it.
/// @return non-zero if an error occurs.
int CleanTarget(Node* target);
/// Clean the given target @a target.
/// @return non-zero if an error occurs.
int CleanTarget(const char* target);
/// Clean the given target @a targets.
/// @return non-zero if an error occurs.
int CleanTargets(int target_count, char* targets[]);
/// Clean all built files.
/// @return non-zero if an error occurs.
int CleanAll();
/// Clean all the file built with the given rule @a rule.
/// @return non-zero if an error occurs.
int CleanRule(const Rule* rule);
/// Clean the file produced by the given @a rule.
/// @return non-zero if an error occurs.
int CleanRule(const char* rule);
/// Clean the file produced by the given @a rules.
/// @return non-zero if an error occurs.
int CleanRules(int rule_count, char* rules[]);
/// @return the number of file cleaned.
int cleaned_files_count() const {
return cleaned_files_count_;
}
/// @return whether the cleaner is in verbose mode.
bool IsVerbose() const {
return (config_.verbosity != BuildConfig::QUIET
&& (config_.verbosity == BuildConfig::VERBOSE || config_.dry_run));
}
private:
/// Remove the file @a path.
/// @return whether the file has been removed.
int RemoveFile(const string& path);
/// @returns whether the file @a path exists.
bool FileExists(const string& path);
void Report(const string& path);
/// Remove the given @a path file only if it has not been already removed.
void Remove(const string& path);
/// @return whether the given @a path has already been removed.
bool IsAlreadyRemoved(const string& path);
/// Helper recursive method for CleanTarget().
void DoCleanTarget(Node* target);
void PrintHeader();
void PrintFooter();
void DoCleanRule(const Rule* rule);
void Reset();
private:
State* state_;
BuildConfig config_;
set<string> removed_;
int cleaned_files_count_;
DiskInterface* disk_interface_;
int status_;
};
#endif // NINJA_CLEAN_H_
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