Tasmota/lib/libesp32/lib_mail/src/extras/RFC2047.h
2022-06-21 16:53:58 +02:00

69 lines
2.0 KiB
C++

#ifndef RFC2047_H
#define RFC2047_H
#include <Arduino.h>
#define strfcpy(A,B,C) strncpy(A,B,C), *(A+(C)-1)=0
enum
{
ENCOTHER,
ENC7BIT,
ENC8BIT,
ENCQUOTEDPRINTABLE,
ENCBASE64,
ENCBINARY
};
__attribute__((used)) static const char *Charset = "utf-8";
__attribute__((used)) static int Index_hex[128] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
__attribute__((used)) static int Index_64[128] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 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, -1, -1, -1, -1, -1,
-1, 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, -1, -1, -1, -1, -1};
#define IsPrint(c) (isprint((unsigned char)(c)) || \
((unsigned char)(c) >= 0xa0))
#define hexval(c) Index_hex[(unsigned int)(c)]
#define base64val(c) Index_64[(unsigned int)(c)]
class RFC2047_Decoder{
public:
RFC2047_Decoder();
~RFC2047_Decoder();
void rfc2047Decode(char *d, const char *s, size_t dlen);
private:
void rfc2047DecodeWord(char *d, const char *s, size_t dlen);
void *safe_calloc (size_t nmemb, size_t size);
void *safe_malloc (unsigned int siz);
void safe_realloc (void **p, size_t siz);
void safe_free (void *ptr);
char *safe_strdup (const char *s);
};
#endif //RFC2047_H