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Adding some comments for CCDictionary::objectForKey method.

This commit is contained in:
James Chen 2012-10-08 14:55:46 +08:00
parent 70286073e1
commit f6c34e23e6
1 changed files with 8 additions and 2 deletions
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10
cocos2dx/cocoa/CCDictionary.cpp
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@ -91,7 +91,10 @@ CCArray* CCDictionary::allKeysForObject(CCObject* object)
CCObject* CCDictionary::objectForKey(const std::string& key)
{
if (m_eDictType == kCCDictUnknown && m_eDictType == kCCDictUnknown) return NULL;
// if dictionary wasn't initialized, return NULL directly.
if (m_eDictType == kCCDictUnknown) return NULL;
// CCDictionary only supports one kind of key, string or integer.
// This method uses string as key, therefore we should make sure that the key type of this CCDictionary is string.
CCAssert(m_eDictType == kCCDictStr, "this dictionary does not use string as key.");
CCObject* pRetObject = NULL;
@ -106,7 +109,10 @@ CCObject* CCDictionary::objectForKey(const std::string& key)
CCObject* CCDictionary::objectForKey(int key)
{
if (m_eDictType == kCCDictUnknown && m_eDictType == kCCDictUnknown) return NULL;
// if dictionary wasn't initialized, return NULL directly.
if (m_eDictType == kCCDictUnknown) return NULL;
// CCDictionary only supports one kind of key, string or integer.
// This method uses string as key, therefore we should make sure that the key type of this CCDictionary is integer.
CCAssert(m_eDictType == kCCDictInt, "this dictionary does not use integer as key.");
CCObject* pRetObject = NULL;