File: errors.go

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golang-github-gonvenience-ytbx 1.4.7-1
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// Copyright © 2018 The Homeport Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package ytbx

import (
	"fmt"
	"strings"
)

// KeyNotFoundInMapError represents an error when a key in a map was expected,
// but could not be found.
type KeyNotFoundInMapError struct {
	MissingKey    string
	AvailableKeys []string
}

func (e *KeyNotFoundInMapError) Error() string {
	return fmt.Sprintf("no key '%s' found in map, available keys: %s",
		e.MissingKey,
		strings.Join(e.AvailableKeys, ", "))
}

// NoNamedEntryListError represents the situation where a list was expected to
// be a named-entry list, but one or more entries were not maps.
type NoNamedEntryListError struct {
}

func (e *NoNamedEntryListError) Error() string {
	return "not a named-entry list, one or more entries are not of type map"
}

// NewInvalidPathError creates a new InvalidPathString
func NewInvalidPathError(style PathStyle, pathString string, format string, a ...interface{}) *InvalidPathString {
	return &InvalidPathString{
		Style:       style,
		PathString:  pathString,
		Explanation: fmt.Sprintf(format, a...),
	}
}

// InvalidPathString represents the error that a path string is not a valid
// Dot-style or GoPatch path syntax and does not match a provided document.
type InvalidPathString struct {
	Style       PathStyle
	PathString  string
	Explanation string
}

func (e *InvalidPathString) Error() string {
	return fmt.Sprintf("invalid %v style path %s, %s",
		e.Style,
		e.PathString,
		e.Explanation)
}