#include "strutils.hxx"
+#include <simgear/debug/logstream.hxx>
+
using std::string;
using std::vector;
using std::stringstream;
"abcdefghijklmnopqrstuvwxyz"
"0123456789+/";
-
+static const unsigned char base64_decode_map[128] =
+{
+ 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+ 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+ 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+ 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+ 127, 127, 127, 62, 127, 127, 127, 63, 52, 53,
+ 54, 55, 56, 57, 58, 59, 60, 61, 127, 127,
+ 127, 64, 127, 127, 127, 0, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 127, 127, 127, 127, 127, 127, 26, 27, 28,
+ 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
+ 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+ 49, 50, 51, 127, 127, 127, 127, 127
+};
+
+
static inline bool is_base64(unsigned char c) {
return (isalnum(c) || (c == '+') || (c == '/'));
}
return ((c == ' ') || (c == '\r') || (c == '\n'));
}
-std::string decodeBase64(const std::string& encoded_string)
+void decodeBase64(const std::string& encoded_string, std::vector<unsigned char>& ret)
{
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4], char_array_3[3];
- std::string ret;
while (in_len-- && ( encoded_string[in_] != '=')) {
if (is_whitespace( encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if (i ==4) {
for (i = 0; i <4; i++)
- char_array_4[i] = base64_chars.find(char_array_4[i]);
+ char_array_4[i] = base64_decode_map[char_array_4[i]];
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (i = 0; (i < 3); i++)
- ret += char_array_3[i];
+ ret.push_back(char_array_3[i]);
i = 0;
}
}
char_array_4[j] = 0;
for (j = 0; j <4; j++)
- char_array_4[j] = base64_chars.find(char_array_4[j]);
+ char_array_4[j] = base64_decode_map[char_array_4[j]];
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
- for (j = 0; (j < i - 1); j++) ret += char_array_3[j];
+ for (j = 0; (j < i - 1); j++) ret.push_back(char_array_3[j]);
}
-
- return ret;
}
const char hexChar[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
return r;
}
+string sanitizePrintfFormat(const string& input)
+{
+ string::size_type i = input.find("%n");
+ if (i != string::npos) {
+ SG_LOG(SG_IO, SG_WARN, "sanitizePrintfFormat: bad format string:" << input);
+ return string();
+ }
+
+ return input;
+}
+
} // end namespace strutils
} // end namespace simgear