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package augeas
// #cgo pkg-config: libxml-2.0 augeas
// #include <augeas.h>
import "C"
import (
"fmt"
)
// ErrorCode is used to differentiate between the different errors
// returned by Augeas. Positive values are from Augeas itself, while
// negative values are specific to these bindings.
type ErrorCode int
// The possible error codes stored in Error.Code.
const (
CouldNotInitialize ErrorCode = -2
NoMatch = -1
// No error
NoError = 0
// Out of memory
ENOMEM
// Internal (to augeas itself) error (bug)
EINTERNAL
// Invalid path expression
EPATHX
// No match for path expression
ENOMATCH
// Too many matches for path expression
EMMATCH
// Syntax error in lens file
ESYNTAX
// Lens lookup failed
ENOLENS
// Multiple transforms
EMXFM
// No span for this node
ENOSPAN
// Cannot move node into its descendant
EMVDESC
// Failed to execute command
ECMDRUN
// Invalid argument in function call
EBADARG
)
// Error encapsulates errors returned by Augeas.
type Error struct {
Code ErrorCode
// Human-readable error message
Message string
// Human-readable message elaborating the error. For example, when
// the error code is AUG_EPATHX, this will explain how the path
// expression is invalid
MinorMessage string
// Details about the error. For example, for AUG_EPATHX, indicates
// where in the path expression the error occurred.
Details string
}
func (err Error) Error() string {
return fmt.Sprintf("Message: %s - Minor message: %s - Details: %s",
err.Message, err.MinorMessage, err.Details)
}
func (a Augeas) error() error {
code := a.errorCode()
if code == NoError {
return nil
}
return Error{code, a.errorMessage(), a.errorMinorMessage(), a.errorDetails()}
}
func (a Augeas) errorCode() ErrorCode {
return ErrorCode(C.aug_error(a.handle))
}
func (a Augeas) errorMessage() string {
return C.GoString(C.aug_error_message(a.handle))
}
func (a Augeas) errorMinorMessage() string {
return C.GoString(C.aug_error_minor_message(a.handle))
}
func (a Augeas) errorDetails() string {
return C.GoString(C.aug_error_details(a.handle))
}
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