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92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Copied and modified from Go 1.14 stdlib's encoding/xml
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package xml
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// A Name represents an XML name (Local) annotated
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// with a name space identifier (Space).
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// In tokens returned by Decoder.Token, the Space identifier
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// is given as a canonical URL, not the short prefix used
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// in the document being parsed.
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type Name struct {
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Space, Local string
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}
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// An Attr represents an attribute in an XML element (Name=Value).
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type Attr struct {
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Name Name
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Value string
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}
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/*
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NewAttribute returns a pointer to an attribute.
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It takes in a local name aka attribute name, and value
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representing the attribute value.
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*/
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func NewAttribute(local, value string) Attr {
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return Attr{
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Name: Name{
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Local: local,
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},
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Value: value,
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}
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}
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/*
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NewNamespaceAttribute returns a pointer to an attribute.
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It takes in a local name aka attribute name, and value
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representing the attribute value.
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NewNamespaceAttribute appends `xmlns:` in front of namespace
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prefix.
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For creating a name space attribute representing
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`xmlns:prefix="http://example.com`, the breakdown would be:
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local = "prefix"
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value = "http://example.com"
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*/
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func NewNamespaceAttribute(local, value string) Attr {
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attr := NewAttribute(local, value)
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// default name space identifier
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attr.Name.Space = "xmlns"
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return attr
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}
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// A StartElement represents an XML start element.
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type StartElement struct {
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Name Name
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Attr []Attr
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}
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// Copy creates a new copy of StartElement.
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func (e StartElement) Copy() StartElement {
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attrs := make([]Attr, len(e.Attr))
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copy(attrs, e.Attr)
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e.Attr = attrs
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return e
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}
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// End returns the corresponding XML end element.
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func (e StartElement) End() EndElement {
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return EndElement{e.Name}
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}
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// returns true if start element local name is empty
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func (e StartElement) isZero() bool {
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return len(e.Name.Local) == 0
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}
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// An EndElement represents an XML end element.
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type EndElement struct {
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Name Name
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}
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// returns true if end element local name is empty
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func (e EndElement) isZero() bool {
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return len(e.Name.Local) == 0
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}
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