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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TOOLS_GN_VISIBILITY_H_
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#define TOOLS_GN_VISIBILITY_H_
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#include <memory>
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#include <vector>
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#include "base/macros.h"
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#include "tools/gn/label_pattern.h"
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#include "tools/gn/source_dir.h"
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namespace base {
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class Value;
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}
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class Err;
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class Item;
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class Label;
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class Scope;
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class Value;
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class Visibility {
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public:
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// Defaults to private visibility (only the current file).
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Visibility();
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~Visibility();
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// Set the visibility to the thing specified by the given value. On failure,
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// returns false and sets the error.
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bool Set(const SourceDir& current_dir, const Value& value, Err* err);
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// Sets the visibility to be public.
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void SetPublic();
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// Sets the visibility to be private to the given directory.
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void SetPrivate(const SourceDir& current_dir);
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// Returns true if the target with the given label can depend on one with the
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// current visibility.
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bool CanSeeMe(const Label& label) const;
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// Returns a string listing the visibility. |indent| number of spaces will
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// be added on the left side of the output. If |include_brackets| is set, the
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// result will be wrapped in "[ ]" and the contents further indented. The
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// result will end in a newline.
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std::string Describe(int indent, bool include_brackets) const;
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// Returns value representation of this visibility
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std::unique_ptr<base::Value> AsValue() const;
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// Helper function to check visibility between the given two items. If
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// to is invisible to from, returns false and sets the error.
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static bool CheckItemVisibility(const Item* from, const Item* to, Err* err);
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// Helper function to fill an item's visibility from the "visibility" value
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// in the current scope.
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static bool FillItemVisibility(Item* item, Scope* scope, Err* err);
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private:
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std::vector<LabelPattern> patterns_;
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DISALLOW_COPY_AND_ASSIGN(Visibility);
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};
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#endif // TOOLS_GN_VISIBILITY_H_
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