sdp.h

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#pragma once
 
#include <compy/priv/compiler_attrs.h>
#include <compy/writer.h>
 
#include <slice99.h>
 
typedef char Compy_SdpType;
 
typedef struct {
    Compy_SdpType ty;
 
    CharSlice99 value;
} Compy_SdpLine;
 
ssize_t Compy_SdpLine_serialize(
    const Compy_SdpLine *restrict self, Compy_Writer w) COMPY_PRIV_MUST_USE;
 
ssize_t compy_sdp_printf(
    Compy_Writer w, Compy_SdpType ty, const char *restrict fmt,
    ...) COMPY_PRIV_MUST_USE COMPY_PRIV_GCC_ATTR(format(printf, 3, 4));
 
#define COMPY_SDP_DESCRIBE(ret, w, ...)                                        \
    COMPY_PRIV_SDP_DESCRIBE(ret, w, __VA_ARGS__)
 
#ifndef DOXYGEN_IGNORE
 
#include <metalang99.h>
 
#define COMPY_PRIV_SDP_DESCRIBE(ret, w, ...)                                   \
    do {                                                                       \
        ssize_t compy_priv_sdp_ret = 0;                                        \
        ML99_EVAL(ML99_variadicsForEach(                                       \
            ML99_compose(                                                      \
                ML99_appl(v(COMPY_PRIV_genSdpPrintf), v(ret, w)),              \
                v(ML99_untuple)),                                              \
            v(__VA_ARGS__)))                                                   \
    } while (0)
 
#define COMPY_PRIV_genSdpPrintf_IMPL(ret, w, ty, ...)                          \
    v({                                                                        \
        compy_priv_sdp_ret = compy_sdp_printf(w, ty, __VA_ARGS__);             \
        if (compy_priv_sdp_ret < 0) {                                          \
            break;                                                             \
        }                                                                      \
        ret += compy_priv_sdp_ret;                                             \
    })
 
#define COMPY_PRIV_genSdpPrintf_ARITY 2
 
#endif // DOXYGEN_IGNORE
 
#define COMPY_SDP_VERSION 'v'
 
#define COMPY_SDP_ORIGIN 'o'
 
#define COMPY_SDP_SESSION_NAME 's'
 
#define COMPY_SDP_INFO 'i'
 
#define COMPY_SDP_URI 'u'
 
#define COMPY_SDP_EMAIL 'e'
 
#define COMPY_SDP_PHONE 'p'
 
#define COMPY_SDP_CONNECTION 'c'
 
#define COMPY_SDP_BANDWIDTH 'b'
 
#define COMPY_SDP_TIME 't'
 
#define COMPY_SDP_REPEAT 'r'
 
#define COMPY_SDP_TIME_ZONES 'z'
 
#define COMPY_SDP_ENCRYPTION_KEYS 'k'
 
#define COMPY_SDP_ATTR 'a'
 
#define COMPY_SDP_MEDIA 'm'