playback_control.cpp File Reference

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Functions
static double	parse_time (const char *time)
static double	parseFraction (const char *fraction)

Function Documentation

static double parse_time ( const char *  time )

static

Definition at line 15 of file playback_control.cpp.

                                            {
    unsigned vTotal = 0, vCur = 0;
    for(;;) {
        char c = *time++;
        if (c == 0) return (double) (vTotal + vCur);
        else if (pfc::char_is_numeric( c ) ) {
            vCur = vCur * 10 + (unsigned)(c-'0');
        } else if (c == ':') {
            if (vCur >= 60) {PFC_ASSERT(!"Invalid input"); return 0; }
            vTotal += vCur; vCur = 0; vTotal *= 60;
        } else if (c == '.') {
            return (double) (vTotal + vCur) + parseFraction(time);
        } else {
            PFC_ASSERT(!"Invalid input"); return 0;
        }
    }
}

static double parseFraction ( const char *  fraction )

static

Definition at line 3 of file playback_control.cpp.

                                                   {
    unsigned v = 0, d = 1;
    while(pfc::char_is_numeric( *fraction) ) {
        d *= 10;
        v *= 10;
        v += (unsigned) ( *fraction - '0' );
        ++fraction;
    }
    PFC_ASSERT( *fraction == 0 );
    return (double)v / (double)d;
}