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已关闭8年。
所以我从here看UrlEncode函数:
它不能在我的Visual Studio 2008下编译。如何使其工作(最好不要使用任何特殊的Windows函数),
更新:
查看我发现的来源下的zip文件
吓到我了...如何使其在C ++类中可用?
已关闭8年。
所以我从here看UrlEncode函数:
std::string UriEncode(const std::string & sSrc)
{
const char DEC2HEX[16 + 1] = "0123456789ABCDEF";
const unsigned char * pSrc = (const unsigned char *)sSrc.c_str();
const int 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;
}
它不能在我的Visual Studio 2008下编译。如何使其工作(最好不要使用任何特殊的Windows函数),
SAFE[ const unsigned char ]
到底是什么意思?更新:
查看我发现的来源下的zip文件
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
};
吓到我了...如何使其在C ++类中可用?
最佳答案
SAFE
似乎只是一个数组,用于标记URI中哪些字符有效。它甚至具有行和列注释,以便更轻松地查看哪个条目。
您会看到第一个有效字符是0x30或0
。 0x41-0x5A是大写字母,等等。
这样,当一个字符在URI中有效时,SAFE[*pSrc]
就是非零(“ true”),否则就不是零(“ false”)。