diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/SkRefDict.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/core/SkRefDict.h b/src/core/SkRefDict.h new file mode 100644 index 0000000000..67511217bb --- /dev/null +++ b/src/core/SkRefDict.h @@ -0,0 +1,54 @@ + +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + + +#ifndef SkRefDict_DEFINED +#define SkRefDict_DEFINED + +#include "SkRefCnt.h" + +/** + * A dictionary of string,refcnt pairs. The dictionary is also an owner of the + * refcnt objects while they are contained. + */ +class SK_API SkRefDict : SkNoncopyable { +public: + SkRefDict(); + ~SkRefDict(); + + /** + * Return the data associated with name[], or NULL if no matching entry + * is found. The reference-count of the entry is not affected. + */ + SkRefCnt* find(const char name[]) const; + + /** + * If data is NULL, remove (if present) the entry matching name and call + * prev_data->unref() on the data for the matching entry. + * If data is not-NULL, replace the existing entry matching name and + * call (prev_data->unref()), or add a new one. In either case, + * data->ref() is called. + */ + void set(const char name[], SkRefCnt* data); + + /** + * Remove the matching entry (if found) and unref its data. + */ + void remove(const char name[]) { this->set(name, NULL); } + + /** + * Remove all entries, and unref() their associated data. + */ + void removeAll(); + +private: + struct Impl; + Impl* fImpl; +}; + +#endif |