libtransport.git Files · backends/twitter/libtwitcurl/urlencode.cpp

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Location: libtransport.git/backends/twitter/libtwitcurl/urlencode.cpp

83113fe69769 908 B text/x-c++hdr Show Annotation Show as Raw Download as Raw

Jan Kaluza

Allow setting more unregistered variables in Config class which can be later accessed using CONFIG_LIST

#include "urlencode.h"

std::string char2hex( char dec )
{
	char dig1 = (dec&0xF0)>>4;
	char dig2 = (dec&0x0F);
	if ( 0<= dig1 && dig1<= 9) dig1+=48;    //0,48 in ascii
	if (10<= dig1 && dig1<=15) dig1+=65-10; //A,65 in ascii
	if ( 0<= dig2 && dig2<= 9) dig2+=48;
	if (10<= dig2 && dig2<=15) dig2+=65-10;

    std::string r;
	r.append( &dig1, 1);
	r.append( &dig2, 1);
	return r;
}

std::string urlencode( const std::string &c )
{

    std::string escaped;
	int max = c.length();
	for(int i=0; i<max; i++)
	{
		if ( (48 <= c[i] && c[i] <= 57) ||//0-9
			(65 <= c[i] && c[i] <= 90) ||//ABC...XYZ
			(97 <= c[i] && c[i] <= 122) || //abc...xyz
			(c[i]=='~' || c[i]=='-' || c[i]=='_' || c[i]=='.')
			)
		{
			escaped.append( &c[i], 1);
		}
		else
		{
			escaped.append("%");
			escaped.append( char2hex(c[i]) );//converts char 255 to string "FF"
		}
	}
	return escaped;
}