mirror of
https://github.com/LukeHagar/libopenapi.git
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07c05ee540
Picking off low hanging fruit, before attacking the big, ugly stuff. Signed-off-by: Dave Shanley <dave@quobix.com>
100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
// Copyright 2022 Princess B33f Heavy Industries / Dave Shanley
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// SPDX-License-Identifier: MIT
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package what_changed
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import (
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"github.com/pb33f/libopenapi/datamodel/low/base"
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v3 "github.com/pb33f/libopenapi/datamodel/low/v3"
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)
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// XMLChanges represents changes made to the XML object of an OpenAPI document.
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type XMLChanges struct {
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PropertyChanges[*base.XML]
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ExtensionChanges *ExtensionChanges
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}
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// TotalChanges returns a count of everything that was changed within an XML object.
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func (x *XMLChanges) TotalChanges() int {
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c := len(x.Changes)
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if x.ExtensionChanges != nil {
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c += len(x.ExtensionChanges.Changes)
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}
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return c
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}
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// CompareXML will compare a left (original) and a right (new) XML instance, and check for
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// any changes between them. If changes are found, the function returns a pointer to XMLChanges,
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// otherwise, if nothing changed - it will return nil
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func CompareXML(l, r *base.XML) *XMLChanges {
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xc := new(XMLChanges)
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var changes []*Change[*base.XML]
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var props []*PropertyCheck[*base.XML]
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// Name (breaking change)
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props = append(props, &PropertyCheck[*base.XML]{
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LeftNode: l.Name.ValueNode,
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RightNode: r.Name.ValueNode,
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Label: v3.NameLabel,
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Changes: &changes,
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Breaking: true,
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Original: l,
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New: r,
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})
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// Namespace (breaking change)
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props = append(props, &PropertyCheck[*base.XML]{
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LeftNode: l.Namespace.ValueNode,
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RightNode: r.Namespace.ValueNode,
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Label: v3.NamespaceLabel,
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Changes: &changes,
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Breaking: true,
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Original: l,
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New: r,
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})
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// Prefix (breaking change)
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props = append(props, &PropertyCheck[*base.XML]{
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LeftNode: l.Prefix.ValueNode,
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RightNode: r.Prefix.ValueNode,
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Label: v3.PrefixLabel,
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Changes: &changes,
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Breaking: true,
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Original: l,
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New: r,
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})
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// Attribute (breaking change)
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props = append(props, &PropertyCheck[*base.XML]{
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LeftNode: l.Attribute.ValueNode,
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RightNode: r.Attribute.ValueNode,
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Label: v3.AttributeLabel,
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Changes: &changes,
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Breaking: true,
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Original: l,
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New: r,
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})
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// Wrapped (breaking change)
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props = append(props, &PropertyCheck[*base.XML]{
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LeftNode: l.Wrapped.ValueNode,
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RightNode: r.Wrapped.ValueNode,
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Label: v3.WrappedLabel,
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Changes: &changes,
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Breaking: true,
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Original: l,
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New: r,
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})
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// check properties
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CheckProperties(props)
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// check extensions
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xc.ExtensionChanges = CheckExtensions(l, r)
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xc.Changes = changes
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if len(xc.Changes) <= 0 && xc.ExtensionChanges == nil {
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return nil
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}
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return xc
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}
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