summaryrefslogtreecommitdiffstats
path: root/src/clean.h
blob: 6194aa04e225e575a430c891a505599572b2eb65 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
// 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.
  void 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.
  void CleanAll();

  /// Clean all the file built with the given rule @a rule.
  void 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.
  bool 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);

private:
  State* state_;
  BuildConfig config_;
  set<string> removed_;
  int cleaned_files_count_;
  DiskInterface* disk_interface_;
};

#endif  // NINJA_CLEAN_H_