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author | Lei Zhang <thestig@chromium.org> | 2015-12-22 13:48:10 -0800 |
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committer | Lei Zhang <thestig@chromium.org> | 2015-12-22 13:48:10 -0800 |
commit | 1fc92867ca53f0fba4272fbee3814d844f487495 (patch) | |
tree | 8c81760b66d1e8da186bddc52d38f350f4e85bf1 /third_party/base/stl_util.h | |
parent | f6dafc90ec1a0df8d618efc68c0223f0cdd80ffb (diff) | |
download | pdfium-1fc92867ca53f0fba4272fbee3814d844f487495.tar.xz |
Add ContainsKey() and ContainsValue() and use them where appropriate.
R=ochang@chromium.org
Review URL: https://codereview.chromium.org/1540263003 .
Diffstat (limited to 'third_party/base/stl_util.h')
-rw-r--r-- | third_party/base/stl_util.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/base/stl_util.h b/third_party/base/stl_util.h index fcbe5882a2..50e9341569 100644 --- a/third_party/base/stl_util.h +++ b/third_party/base/stl_util.h @@ -22,6 +22,21 @@ inline const T* vector_as_array(const std::vector<T>* v) { return v->empty() ? nullptr : &*v->begin(); } +// Test to see if a set, map, hash_set or hash_map contains a particular key. +// Returns true if the key is in the collection. +template <typename Collection, typename Key> +bool ContainsKey(const Collection& collection, const Key& key) { + return collection.find(key) != collection.end(); +} + +// Test to see if a collection like a vector contains a particular value. +// Returns true if the value is in the collection. +template <typename Collection, typename Value> +bool ContainsValue(const Collection& collection, const Value& value) { + return std::find(collection.begin(), collection.end(), value) != + collection.end(); +} + } // namespace pdfium #endif // PDFIUM_THIRD_PARTY_BASE_STL_UTIL_H_ |