static bool shortestUTF8()

in source/core_json.c [128:161]

• 28 lines of code
• 7 McCabe index (conditional complexity)

static bool shortestUTF8( size_t length,
                          uint32_t value )
{
    bool ret = false;
    uint32_t min, max;

    assert( ( length >= 2U ) && ( length <= 4U ) );

    switch( length )
    {
        case 2:
            min = ( uint32_t ) 1 << 7U;
            max = ( ( uint32_t ) 1 << 11U ) - 1U;
            break;

        case 3:
            min = ( uint32_t ) 1 << 11U;
            max = ( ( uint32_t ) 1 << 16U ) - 1U;
            break;

        default:
            min = ( uint32_t ) 1 << 16U;
            max = 0x10FFFFU;
            break;
    }

    if( ( value >= min ) && ( value <= max ) &&
        ( ( value < 0xD800U ) || ( value > 0xDFFFU ) ) )
    {
        ret = true;
    }

    return ret;
}