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Add utils::getMD5Hash (#17520) 

* Add FileUtils::getMD5Hash

* Improve name
This commit is contained in:
pandamicro 2017-03-16 13:47:45 +08:00 committed by minggo
parent e8c752126d
commit 68fc0dbfa9
4 changed files with 31 additions and 7 deletions
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1
cocos/Android.mk
View File

@ -271,6 +271,7 @@ LOCAL_STATIC_LIBRARIES += cocos_tiff_static
LOCAL_STATIC_LIBRARIES += cocos_webp_static
LOCAL_STATIC_LIBRARIES += cocos_chipmunk_static
LOCAL_STATIC_LIBRARIES += cocos_zlib_static
LOCAL_STATIC_LIBRARIES += cocos_ssl_static
LOCAL_STATIC_LIBRARIES += recast_static
LOCAL_STATIC_LIBRARIES += bullet_static

16
cocos/base/ccUtils.cpp
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@ -27,6 +27,7 @@ THE SOFTWARE.
#include <cmath>
#include <stdlib.h>
#include <openssl/md5.h>
#include "base/CCDirector.h"
#include "base/CCAsyncTaskPool.h"
@ -408,6 +409,21 @@ Node* findChild(Node* levelRoot, int tag)
return nullptr;
}
std::string getFileMD5Hash(const std::string &filename)
{
unsigned char digest[MD5_DIGEST_LENGTH];
Data d;
FileUtils::getInstance()->getContents(filename, &d);
MD5(d.getBytes(), d.getSize(), (unsigned char*)&digest);
std::string mdString;
mdString.reserve(32);
for(int i = 0; i < 16; i++)
sprintf(&mdString[i*2], "%02x", (unsigned int)digest[i]);
return mdString;
}
}
NS_CC_END

9
cocos/base/ccUtils.h
View File

@ -140,7 +140,7 @@ namespace utils
* @return Returns found node or nullptr
*/
CC_DLL Node* findChild(Node* levelRoot, int tag);
CC_DLL Node* findChild(Node* levelRoot, int tag);
/**
* Find a child by name recursively
@ -163,6 +163,13 @@ namespace utils
{
return dynamic_cast<T>(findChild(levelRoot, tag));
}
/**
* Gets the md5 hash for the given file.
* @param filename The file to calculate md5 hash.
* @return The md5 hash for the file
*/
CC_DLL std::string getFileMD5Hash(const std::string &filename);
}
NS_CC_END

12
cocos/platform/CCFileUtils.h
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@ -822,12 +822,12 @@ public:
const std::unordered_map<std::string, std::string>& getFullPathCache() const { return _fullPathCache; }
/**
* Gets the new filename from the filename lookup dictionary.
* It is possible to have a override names.
* @param filename The original filename.
* @return The new filename after searching in the filename lookup dictionary.
* If the original filename wasn't in the dictionary, it will return the original filename.
*/
* Gets the new filename from the filename lookup dictionary.
* It is possible to have a override names.
* @param filename The original filename.
* @return The new filename after searching in the filename lookup dictionary.
* If the original filename wasn't in the dictionary, it will return the original filename.
*/
virtual std::string getNewFilename(const std::string &filename) const;
protected: