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epee: add functions to convert from URL format (ie, %XX values)

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moneromooo-monero 2016-11-28 14:05:30 +00:00
parent c36cb54340
commit d9001b43ac
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1 changed files with 30 additions and 0 deletions
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30
contrib/epee/include/net/http_client.h
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@ -156,6 +156,17 @@ using namespace std;
return csTmp;
}
static inline int get_index(const char *s, char c) { const char *ptr = (const char*)memchr(s, c, 16); return ptr ? ptr-s : -1; }
static inline
std::string hex_to_dec_2bytes(const char *s)
{
const char *hex = get_hex_vals();
int i0 = get_index(hex, toupper(s[0]));
int i1 = get_index(hex, toupper(s[1]));
if (i0 < 0 || i1 < 0)
return std::string("%") + std::string(1, s[0]) + std::string(1, s[1]);
return std::string(1, i0 * 16 | i1);
}
static inline std::string convert(char val)
{
@ -180,6 +191,25 @@ using namespace std;
return result;
}
static inline std::string convert_from_url_format(const std::string& uri)
{
std::string result;
for(size_t i = 0; i!= uri.size(); i++)
{
if(uri[i] == '%' && i + 2 < uri.size())
{
result += hex_to_dec_2bytes(uri.c_str() + i + 1);
i += 2;
}
else
result += uri[i];
}
return result;
}
static inline std::string convert_to_url_format_force_all(const std::string& uri)
{