Add the ability to acces the raw feed data

feed.go

@@ -1,6 +1,7 @@
 package gofeed
 
 import (
+ "bytes"
  "encoding/json"
  "time"
 
@@ -11,6 +12,7 @@ import (
 // and rss.Feed gets translated to. It represents
 // a web feed.
 type Feed struct {
+ RawFeed bytes.Buffer `json:"-"`
  Title string `json:"title,omitempty"`
  Description string `json:"description,omitempty"`
  Link string `json:"link,omitempty"`

parser.go

@@ -55,19 +55,27 @@ func (f *Parser) Parse(feed io.Reader) (*Feed, error) {
  // DetectFeedType function and construct a new
  // reader with those bytes intact for when we
  // attempt to parse the feeds.
- var buf bytes.Buffer
+ var buf, copyBuffer bytes.Buffer
  tee := io.TeeReader(feed, &buf)
  feedType := DetectFeedType(tee)
 
  // Glue the read bytes from the detect function
  // back into a new reader
- r := io.MultiReader(&buf, feed)
 
+ r := io.TeeReader(io.MultiReader(&buf, feed), &copyBuffer)
  switch feedType {
  case FeedTypeAtom:
- return f.parseAtomFeed(r)
+ atomFeed, err := f.parseAtomFeed(r)
+ if atomFeed != nil {
+ atomFeed.RawFeed = copyBuffer
+ }
+ return atomFeed, err
  case FeedTypeRSS:
- return f.parseRSSFeed(r)
+ rssFeed, err := f.parseRSSFeed(r)
+ if rssFeed != nil {
+ rssFeed.RawFeed = copyBuffer
+ }
+ return rssFeed, err
  }
 
  return nil, ErrFeedTypeNotDetected