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/*!********************************************************************
Audacity: A Digital Audio Editor
@file UrlEncode.cpp
@brief Define a function to perform URL encoding of a string.
Dmitry Vedenko
**********************************************************************/
#include "UrlEncode.h"
namespace audacity
{
std::string UrlEncode (const std::string& url)
{
std::string escaped;
for (char c : url)
{
if (('0' <= c && c <= '9') ||
('A' <= c && c <= 'Z') ||
('a' <= c && c <= 'z') ||
(c == '~' || c == '-' || c == '_' || c == '.')
)
{
escaped.push_back (c);
}
else
{
static const char symbolLookup[] = "0123456789ABCDEF";
escaped.push_back ('%');
escaped.push_back (symbolLookup[(c & 0xF0) >> 4]);
escaped.push_back (symbolLookup[(c & 0x0F) >> 0]);
}
}
return escaped;
}
}
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