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parseHex

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This commit is contained in:
Henrik Rydgard 2012-03-27 22:54:58 +02:00
parent 04b9e6d16c
commit 2e561248b8
2 changed files with 45 additions and 1 deletions
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41
base/stringutil.cpp Normal file
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@ -0,0 +1,41 @@
#include <string.h>
#include "base/stringutil.h"
unsigned int parseHex(const char *_szValue)
{
DWORD Count, Value = 0;
size_t Finish = strlen(_szValue);
if (Finish > 8 ) { Finish = 8; }
for (Count = 0; Count < Finish; Count++) {
Value = (Value << 4);
switch( _szValue[Count] ) {
case '0': break;
case '1': Value += 1; break;
case '2': Value += 2; break;
case '3': Value += 3; break;
case '4': Value += 4; break;
case '5': Value += 5; break;
case '6': Value += 6; break;
case '7': Value += 7; break;
case '8': Value += 8; break;
case '9': Value += 9; break;
case 'A': Value += 10; break;
case 'a': Value += 10; break;
case 'B': Value += 11; break;
case 'b': Value += 11; break;
case 'C': Value += 12; break;
case 'c': Value += 12; break;
case 'D': Value += 13; break;
case 'd': Value += 13; break;
case 'E': Value += 14; break;
case 'e': Value += 14; break;
case 'F': Value += 15; break;
case 'f': Value += 15; break;
default:
Value = (Value >> 4);
Count = Finish;
}
}
return Value;
}

5
base/stringutil.h
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@ -15,4 +15,7 @@ public:
inline bool endsWith(const std::string &str, const std::string &what) {
return str.substr(str.size() - what.size()) == what;
}
}
// highly unsafe and not recommended.
unsigned int parseHex(const char* _szValue);