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Add parser for RDF feeds

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This commit is contained in:
Frédéric Guillot 2017-11-20 18:34:11 -08:00
parent c5cd38de83
commit 89307010ad
16 changed files with 491 additions and 36 deletions
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31
reader/feed/parser.go
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@ -8,25 +8,30 @@ import (
"bytes"
"encoding/xml"
"errors"
"github.com/miniflux/miniflux2/helper"
"github.com/miniflux/miniflux2/model"
"github.com/miniflux/miniflux2/reader/feed/atom"
"github.com/miniflux/miniflux2/reader/feed/json"
"github.com/miniflux/miniflux2/reader/feed/rss"
"io"
"strings"
"time"
"github.com/miniflux/miniflux2/helper"
"github.com/miniflux/miniflux2/model"
"github.com/miniflux/miniflux2/reader/feed/atom"
"github.com/miniflux/miniflux2/reader/feed/json"
"github.com/miniflux/miniflux2/reader/feed/rdf"
"github.com/miniflux/miniflux2/reader/feed/rss"
"golang.org/x/net/html/charset"
)
// List of feed formats.
const (
FormatRss = "rss"
FormatRDF = "rdf"
FormatRSS = "rss"
FormatAtom = "atom"
FormatJson = "json"
FormatJSON = "json"
FormatUnknown = "unknown"
)
// DetectFeedFormat detect feed format from input data.
func DetectFeedFormat(data io.Reader) string {
defer helper.ExecutionTime(time.Now(), "[Feed:DetectFeedFormat]")
@ -45,15 +50,17 @@ func DetectFeedFormat(data io.Reader) string {
if element, ok := token.(xml.StartElement); ok {
switch element.Name.Local {
case "rss":
return FormatRss
return FormatRSS
case "feed":
return FormatAtom
case "RDF":
return FormatRDF
}
}
}
if strings.HasPrefix(strings.TrimSpace(buffer.String()), "{") {
return FormatJson
return FormatJSON
}
return FormatUnknown
@ -72,10 +79,12 @@ func parseFeed(data io.Reader) (*model.Feed, error) {
switch format {
case FormatAtom:
return atom.Parse(reader)
case FormatRss:
case FormatRSS:
return rss.Parse(reader)
case FormatJson:
case FormatJSON:
return json.Parse(reader)
case FormatRDF:
return rdf.Parse(reader)
default:
return nil, errors.New("Unsupported feed format")
}