mirror of https://github.com/miniflux/v2.git
92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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package opml // import "miniflux.app/v2/internal/reader/opml"
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import (
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"encoding/xml"
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"strings"
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)
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// Specs: http://opml.org/spec2.opml
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type opmlDocument struct {
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XMLName xml.Name `xml:"opml"`
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Version string `xml:"version,attr"`
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Header opmlHeader `xml:"head"`
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Outlines opmlOutlineCollection `xml:"body>outline"`
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}
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func NewOPMLDocument() *opmlDocument {
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return &opmlDocument{}
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}
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type opmlHeader struct {
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Title string `xml:"title,omitempty"`
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DateCreated string `xml:"dateCreated,omitempty"`
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OwnerName string `xml:"ownerName,omitempty"`
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}
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type opmlOutline struct {
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Title string `xml:"title,attr,omitempty"`
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Text string `xml:"text,attr"`
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FeedURL string `xml:"xmlUrl,attr,omitempty"`
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SiteURL string `xml:"htmlUrl,attr,omitempty"`
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Description string `xml:"description,attr,omitempty"`
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Outlines opmlOutlineCollection `xml:"outline,omitempty"`
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}
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func (outline opmlOutline) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
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type opmlOutlineXml opmlOutline
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outlineType := ""
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if outline.IsSubscription() {
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outlineType = "rss"
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}
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return e.EncodeElement(struct {
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opmlOutlineXml
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Type string `xml:"type,attr,omitempty"`
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}{
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opmlOutlineXml: opmlOutlineXml(outline),
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Type: outlineType,
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}, start)
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}
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func (o *opmlOutline) IsSubscription() bool {
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return strings.TrimSpace(o.FeedURL) != ""
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}
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func (o *opmlOutline) GetTitle() string {
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if o.Title != "" {
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return o.Title
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}
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if o.Text != "" {
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return o.Text
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}
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if o.SiteURL != "" {
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return o.SiteURL
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}
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if o.FeedURL != "" {
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return o.FeedURL
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}
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return ""
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}
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func (o *opmlOutline) GetSiteURL() string {
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if o.SiteURL != "" {
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return o.SiteURL
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}
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return o.FeedURL
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}
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type opmlOutlineCollection []opmlOutline
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func (o opmlOutlineCollection) HasChildren() bool {
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return len(o) > 0
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}
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