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9fe4437bda
* Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net>
65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package bsoncodec
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import "fmt"
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type mode int
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const (
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_ mode = iota
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mTopLevel
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mDocument
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mArray
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mValue
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mElement
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mCodeWithScope
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mSpacer
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)
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func (m mode) String() string {
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var str string
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switch m {
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case mTopLevel:
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str = "TopLevel"
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case mDocument:
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str = "DocumentMode"
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case mArray:
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str = "ArrayMode"
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case mValue:
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str = "ValueMode"
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case mElement:
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str = "ElementMode"
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case mCodeWithScope:
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str = "CodeWithScopeMode"
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case mSpacer:
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str = "CodeWithScopeSpacerFrame"
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default:
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str = "UnknownMode"
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}
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return str
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}
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// TransitionError is an error returned when an invalid progressing a
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// ValueReader or ValueWriter state machine occurs.
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type TransitionError struct {
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parent mode
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current mode
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destination mode
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}
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func (te TransitionError) Error() string {
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if te.destination == mode(0) {
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return fmt.Sprintf("invalid state transition: cannot read/write value while in %s", te.current)
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}
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if te.parent == mode(0) {
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return fmt.Sprintf("invalid state transition: %s -> %s", te.current, te.destination)
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}
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return fmt.Sprintf("invalid state transition: %s -> %s; parent %s", te.current, te.destination, te.parent)
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}
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