Add the 'clean' tool.

It removes built files either by rule or target or everything.

1 files changed, 68 insertions, 0 deletions

diff --git a/src/clean.h b/src/clean.h
new file mode 100644
index 0000000..4513596
--- /dev/null
+++ b/src/clean.h
@@ -0,0 +1,68 @@
+// 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 <string>
+#include <set>
+using namespace std;
+
+struct State;
+struct BuildConfig;
+struct Node;
+struct Rule;
+
+class Cleaner
+{
+public:
+  /// Constructor.
+  Cleaner(State* state, const BuildConfig& config);
+
+  /// Clean the given @a target and all the file built for it.
+  void CleanTarget(Node* target);
+  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);
+  int CleanRules(int rule_count, char* rules[]);
+
+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_;
+  bool verbose_;
+  bool dry_run_;
+  set<string> removed_;
+};
+
+#endif  // NINJA_CLEAN_H_