From cd2bb30aba89a05c0bbd4d6973fa070205e3a1e8 Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Tue, 22 Dec 2015 13:49:44 -0800 Subject: Merge to XFA: Add ContainsKey() and ContainsValue() and use them where appropriate. TBR=ochang@chromium.org Review URL: https://codereview.chromium.org/1540263003 . (cherry picked from commit 1fc92867ca53f0fba4272fbee3814d844f487495) Review URL: https://codereview.chromium.org/1542193002 . --- third_party/base/stl_util.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'third_party/base') 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* 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 +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 +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_ -- cgit v1.2.3