minecraft - nbt/errors.go

     1  package nbt
     2  
     3  import (
     4  	"errors"
     5  	"strconv"
     6  )
     7  
     8  // ReadError is an error returned when a read error occurs
     9  type ReadError struct {
    10  	Where string
    11  	Err   error
    12  }
    13  
    14  func (r ReadError) Error() string {
    15  	return "encountered an error while trying to read a " + r.Where + ": " + r.Err.Error()
    16  }
    17  
    18  // WriteError is an error returned when a write error occurs
    19  type WriteError struct {
    20  	Where string
    21  	Err   error
    22  }
    23  
    24  func (w WriteError) Error() string {
    25  	return "encountered an error while trying to write a " + w.Where + ": " + w.Err.Error()
    26  }
    27  
    28  // UnknownTag is an error that occurs when an unknown tag id is discovered.
    29  // This could also indicate corrupted or non-compliant data.
    30  type UnknownTag struct {
    31  	TagID
    32  }
    33  
    34  func (u UnknownTag) Error() string {
    35  	return "discovered unknown TagId with id " + strconv.FormatUint(uint64(u.TagID), 10)
    36  }
    37  
    38  // WrongTag is an error returned when a tag of the incorrect type was intended
    39  // to be added to a list.
    40  type WrongTag struct {
    41  	Expecting, Got TagID
    42  }
    43  
    44  func (w WrongTag) Error() string {
    45  	return "expecting tag id " + w.Expecting.String() + ", got " + w.Got.String()
    46  }
    47  
    48  // ErrBadRange is an error that occurs when trying to set an item on a list which
    49  // is outside of the current limits of the list.
    50  var ErrBadRange = errors.New("given index was out-of-range")
    51