Index: tools/gn/lib_file.h |
diff --git a/tools/gn/lib_file.h b/tools/gn/lib_file.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8e471f291cdb6b21289f05d6b314a8b252a81d99 |
--- /dev/null |
+++ b/tools/gn/lib_file.h |
@@ -0,0 +1,56 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef TOOLS_GN_LIB_FILE_H_ |
+#define TOOLS_GN_LIB_FILE_H_ |
+ |
+#include <algorithm> |
+#include <string> |
+ |
+#include "base/strings/string_piece.h" |
+#include "tools/gn/source_file.h" |
+ |
+// Represents an entry in "libs" list. Can be either a path (a SourceFile) or |
+// a library name (a string). |
+class LibFile { |
+ public: |
+ LibFile(); |
+ explicit LibFile(const base::StringPiece& lib_name); |
+ explicit LibFile(const SourceFile& source_file); |
+ |
+ void Swap(LibFile* other); |
+ bool is_source_file() const { return name_.empty(); } |
+ |
+ // Returns name, or source_file().value() (whichever is set). |
+ const std::string& value() const; |
+ const SourceFile& source_file() const; |
+ |
+ bool operator==(const LibFile& other) const { |
+ return value() == other.value(); |
+ } |
+ bool operator!=(const LibFile& other) const { return !operator==(other); } |
+ bool operator<(const LibFile& other) const { return value() < other.value(); } |
+ |
+ private: |
+ std::string name_; |
+ SourceFile source_file_; |
+}; |
+ |
+namespace BASE_HASH_NAMESPACE { |
+ |
+template <> |
+struct hash<LibFile> { |
+ std::size_t operator()(const LibFile& v) const { |
+ hash<std::string> h; |
+ return h(v.value()); |
+ } |
+}; |
+ |
+} // namespace BASE_HASH_NAMESPACE |
+ |
+inline void swap(LibFile& lhs, LibFile& rhs) { |
+ lhs.Swap(&rhs); |
+} |
+ |
+#endif // TOOLS_GN_LIB_FILE_H_ |