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string_util: Get rid of UriDecode/UriEncode

pull/15/merge
Lioncash 11 years ago
parent
4f4d230dac
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9adad45b0f
2 changed files with 0 additions and 127 deletions
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  1. 125
      src/common/string_util.cpp
  2. 2
      src/common/string_util.h

125
src/common/string_util.cpp
View File

@ -287,131 +287,6 @@ std::string ReplaceAll(std::string result, const std::string& src, const std::st
return result;
}
// UriDecode and UriEncode are from http://www.codeguru.com/cpp/cpp/string/conversions/print.php/c12759
// by jinq0123 (November 2, 2006)
// Uri encode and decode.
// RFC1630, RFC1738, RFC2396
//#include <string>
//#include <assert.h>
const char HEX2DEC[256] =
{
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
/* 0 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 1 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 2 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 3 */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,16,16, 16,16,16,16,
/* 4 */ 16,10,11,12, 13,14,15,16, 16,16,16,16, 16,16,16,16,
/* 5 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 6 */ 16,10,11,12, 13,14,15,16, 16,16,16,16, 16,16,16,16,
/* 7 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 8 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* 9 */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* A */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* B */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* C */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* D */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* E */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16,
/* F */ 16,16,16,16, 16,16,16,16, 16,16,16,16, 16,16,16,16
};
std::string UriDecode(const std::string & sSrc)
{
// Note from RFC1630: "Sequences which start with a percent sign
// but are not followed by two hexadecimal characters (0-9, A-F) are reserved
// for future extension"
const unsigned char * pSrc = (const unsigned char *)sSrc.c_str();
const size_t SRC_LEN = sSrc.length();
const unsigned char * const SRC_END = pSrc + SRC_LEN;
const unsigned char * const SRC_LAST_DEC = SRC_END - 2; // last decodable '%'
char * const pStart = new char[SRC_LEN];
char * pEnd = pStart;
while (pSrc < SRC_LAST_DEC)
{
if (*pSrc == '%')
{
char dec1, dec2;
if (16 != (dec1 = HEX2DEC[*(pSrc + 1)])
&& 16 != (dec2 = HEX2DEC[*(pSrc + 2)]))
{
*pEnd++ = (dec1 << 4) + dec2;
pSrc += 3;
continue;
}
}
*pEnd++ = *pSrc++;
}
// the last 2- chars
while (pSrc < SRC_END)
*pEnd++ = *pSrc++;
std::string sResult(pStart, pEnd);
delete [] pStart;
return sResult;
}
// Only alphanum is safe.
const char SAFE[256] =
{
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
/* 0 */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* 1 */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* 2 */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* 3 */ 1,1,1,1, 1,1,1,1, 1,1,0,0, 0,0,0,0,
/* 4 */ 0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1,
/* 5 */ 1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0,
/* 6 */ 0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1,
/* 7 */ 1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0,
/* 8 */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* 9 */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* A */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* B */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* C */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* D */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* E */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
/* F */ 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0
};
std::string UriEncode(const std::string & sSrc)
{
const char DEC2HEX[16 + 1] = "0123456789ABCDEF";
const unsigned char * pSrc = (const unsigned char *)sSrc.c_str();
const size_t SRC_LEN = sSrc.length();
unsigned char * const pStart = new unsigned char[SRC_LEN * 3];
unsigned char * pEnd = pStart;
const unsigned char * const SRC_END = pSrc + SRC_LEN;
for (; pSrc < SRC_END; ++pSrc)
{
if (SAFE[*pSrc])
*pEnd++ = *pSrc;
else
{
// escape this char
*pEnd++ = '%';
*pEnd++ = DEC2HEX[*pSrc >> 4];
*pEnd++ = DEC2HEX[*pSrc & 0x0F];
}
}
std::string sResult((char *)pStart, (char *)pEnd);
delete [] pStart;
return sResult;
}
#ifdef _MSC_VER
std::string UTF16ToUTF8(const std::u16string& input)

2
src/common/string_util.h
View File

@ -86,8 +86,6 @@ bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _
void BuildCompleteFilename(std::string& _CompleteFilename, const std::string& _Path, const std::string& _Filename);
std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest);
std::string UriDecode(const std::string & sSrc);
std::string UriEncode(const std::string & sSrc);
std::string UTF16ToUTF8(const std::u16string& input);
std::u16string UTF8ToUTF16(const std::string& input);

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