Apply changes to go-pkg-xmlx allowing wildcards for namespace names.

This commit is contained in:
jim teeuwen 2011-02-01 15:30:39 +01:00
parent 1a851548db
commit 6c6b659e88
3 changed files with 92 additions and 91 deletions

45
feed.go
View File

@ -25,12 +25,14 @@
*/
package feeder
import "os"
import "time"
import xmlx "github.com/jteeuwen/go-pkg-xmlx"
import "fmt"
import "strconv"
import "strings"
import (
"os"
"time"
xmlx "github.com/jteeuwen/go-pkg-xmlx"
"fmt"
"strconv"
"strings"
)
type ChannelHandler func(f *Feed, newchannels []*Channel)
type ItemHandler func(f *Feed, ch *Channel, newitems []*Item)
@ -187,26 +189,33 @@ func (this *Feed) testVersions() bool {
}
func (this *Feed) GetVersionInfo(doc *xmlx.Document) (ftype string, fversion [2]int) {
node := doc.SelectNode("http://www.w3.org/2005/Atom", "feed")
if node == nil {
var node *xmlx.Node
if node = doc.SelectNode("http://www.w3.org/2005/Atom", "feed"); node == nil {
goto rss
}
ftype = "atom"
fversion = [2]int{1, 0}
return
rss:
node = doc.SelectNode("", "rss")
if node == nil {
goto end
if node = doc.SelectNode("", "rss"); node != nil {
ftype = "rss"
version := node.GetAttr("", "version")
p := strings.Index(version, ".")
major, _ := strconv.Atoi(version[0:p])
minor, _ := strconv.Atoi(version[p+1 : len(version)])
fversion = [2]int{major, minor}
return
}
// issue#5: Some documents have an RDF root node instead of rss.
if node = doc.SelectNode("http://www.w3.org/1999/02/22-rdf-syntax-ns#", "RDF"); node != nil {
ftype = "rss"
fversion = [2]int{1, 1}
return
}
ftype = "rss"
version := node.GetAttr("", "version")
p := strings.Index(version, ".")
major, _ := strconv.Atoi(version[0:p])
minor, _ := strconv.Atoi(version[p+1 : len(version)])
fversion = [2]int{major, minor}
return
end:
ftype = "unknown"

View File

@ -5,6 +5,7 @@ import "os"
func TestFeed(t *testing.T) {
urilist := []string{
//"http://store.steampowered.com/feeds/news.xml", // This feed violates the rss spec.
"http://cyber.law.harvard.edu/rss/examples/sampleRss091.xml",
"http://cyber.law.harvard.edu/rss/examples/sampleRss092.xml",
"http://cyber.law.harvard.edu/rss/examples/rss2sample.xml",
@ -19,27 +20,15 @@ func TestFeed(t *testing.T) {
if err = feed.Fetch(uri); err != nil {
t.Errorf("%s >>> %s", uri, err)
return
}
}
/*
Output of handlers:
6 new item(s) in WriteTheWeb of http://cyber.law.harvard.edu/rss/examples/sampleRss091.xml
1 new channel(s) in http://cyber.law.harvard.edu/rss/examples/sampleRss091.xml
21 new item(s) in Dave Winer: Grateful Dead of http://cyber.law.harvard.edu/rss/examples/sampleRss092.xml
1 new channel(s) in http://cyber.law.harvard.edu/rss/examples/sampleRss092.xml
4 new item(s) in Liftoff News of http://cyber.law.harvard.edu/rss/examples/rss2sample.xml
1 new channel(s) in http://cyber.law.harvard.edu/rss/examples/rss2sample.xml
15 new item(s) in Blog@Case of http://blog.case.edu/news/feed.atom
1 new channel(s) in http://blog.case.edu/news/feed.atom
*/
}
func chanHandler(feed *Feed, newchannels []*Channel) {
//println(len(newchannels), "new channel(s) in", feed.Url)
println(len(newchannels), "new channel(s) in", feed.Url)
}
func itemHandler(feed *Feed, ch *Channel, newitems []*Item) {
//println(len(newitems), "new item(s) in", ch.Title, "of", feed.Url)
println(len(newitems), "new item(s) in", ch.Title, "of", feed.Url)
}

119
rss.go
View File

@ -1,7 +1,9 @@
package feeder
import "os"
import xmlx "github.com/jteeuwen/go-pkg-xmlx"
import (
"os"
xmlx "github.com/jteeuwen/go-pkg-xmlx"
)
func (this *Feed) readRss2(doc *xmlx.Document) (err os.Error) {
days := make(map[string]int)
@ -53,134 +55,135 @@ func (this *Feed) readRss2(doc *xmlx.Document) (err os.Error) {
var i *Item
var n *xmlx.Node
var list, tl []*xmlx.Node
const ns = "*"
channels := doc.SelectNodes("", "channel")
channels := doc.SelectNodes(ns, "channel")
for _, node := range channels {
if ch = getChan(node.GetValue("", "pubDate"), node.GetValue("", "title")); ch == nil {
if ch = getChan(node.GetValue(ns, "pubDate"), node.GetValue(ns, "title")); ch == nil {
ch = new(Channel)
this.Channels = append(this.Channels, ch)
}
ch.Title = node.GetValue("", "title")
list = node.SelectNodes("", "link")
ch.Title = node.GetValue(ns, "title")
list = node.SelectNodes(ns, "link")
ch.Links = make([]Link, len(list))
for i, v := range list {
ch.Links[i].Href = v.Value
}
ch.Description = node.GetValue("", "description")
ch.Language = node.GetValue("", "language")
ch.Copyright = node.GetValue("", "copyright")
ch.ManagingEditor = node.GetValue("", "managingEditor")
ch.WebMaster = node.GetValue("", "webMaster")
ch.PubDate = node.GetValue("", "pubDate")
ch.LastBuildDate = node.GetValue("", "lastBuildDate")
ch.Docs = node.GetValue("", "docs")
ch.Description = node.GetValue(ns, "description")
ch.Language = node.GetValue(ns, "language")
ch.Copyright = node.GetValue(ns, "copyright")
ch.ManagingEditor = node.GetValue(ns, "managingEditor")
ch.WebMaster = node.GetValue(ns, "webMaster")
ch.PubDate = node.GetValue(ns, "pubDate")
ch.LastBuildDate = node.GetValue(ns, "lastBuildDate")
ch.Docs = node.GetValue(ns, "docs")
list = node.SelectNodes("", "category")
list = node.SelectNodes(ns, "category")
ch.Categories = make([]*Category, len(list))
for i, v := range list {
ch.Categories[i] = new(Category)
ch.Categories[i].Domain = v.GetAttr("", "domain")
ch.Categories[i].Domain = v.GetAttr(ns, "domain")
ch.Categories[i].Text = v.Value
}
if n = node.SelectNode("", "generator"); n != nil {
if n = node.SelectNode(ns, "generator"); n != nil {
ch.Generator = Generator{}
ch.Generator.Text = n.Value
}
ch.TTL = node.GetValuei("", "ttl")
ch.Rating = node.GetValue("", "rating")
ch.TTL = node.GetValuei(ns, "ttl")
ch.Rating = node.GetValue(ns, "rating")
list = node.SelectNodes("", "hour")
list = node.SelectNodes(ns, "hour")
ch.SkipHours = make([]int, len(list))
for i, v := range list {
ch.SkipHours[i] = int(v.GetValuei("", "hour"))
ch.SkipHours[i] = int(v.GetValuei(ns, "hour"))
}
list = node.SelectNodes("", "days")
list = node.SelectNodes(ns, "days")
ch.SkipDays = make([]int, len(list))
for i, v := range list {
ch.SkipDays[i] = days[v.Value]
}
if n = node.SelectNode("", "image"); n != nil {
ch.Image.Title = n.GetValue("", "title")
ch.Image.Url = n.GetValue("", "url")
ch.Image.Link = n.GetValue("", "link")
ch.Image.Width = n.GetValuei("", "width")
ch.Image.Height = n.GetValuei("", "height")
ch.Image.Description = n.GetValue("", "description")
if n = node.SelectNode(ns, "image"); n != nil {
ch.Image.Title = n.GetValue(ns, "title")
ch.Image.Url = n.GetValue(ns, "url")
ch.Image.Link = n.GetValue(ns, "link")
ch.Image.Width = n.GetValuei(ns, "width")
ch.Image.Height = n.GetValuei(ns, "height")
ch.Image.Description = n.GetValue(ns, "description")
}
if n = node.SelectNode("", "cloud"); n != nil {
if n = node.SelectNode(ns, "cloud"); n != nil {
ch.Cloud = Cloud{}
ch.Cloud.Domain = n.GetAttr("", "domain")
ch.Cloud.Port = n.GetAttri("", "port")
ch.Cloud.Path = n.GetAttr("", "path")
ch.Cloud.RegisterProcedure = n.GetAttr("", "registerProcedure")
ch.Cloud.Protocol = n.GetAttr("", "protocol")
ch.Cloud.Domain = n.GetAttr(ns, "domain")
ch.Cloud.Port = n.GetAttri(ns, "port")
ch.Cloud.Path = n.GetAttr(ns, "path")
ch.Cloud.RegisterProcedure = n.GetAttr(ns, "registerProcedure")
ch.Cloud.Protocol = n.GetAttr(ns, "protocol")
}
if n = node.SelectNode("", "textInput"); n != nil {
if n = node.SelectNode(ns, "textInput"); n != nil {
ch.TextInput = Input{}
ch.TextInput.Title = n.GetValue("", "title")
ch.TextInput.Description = n.GetValue("", "description")
ch.TextInput.Name = n.GetValue("", "name")
ch.TextInput.Link = n.GetValue("", "link")
ch.TextInput.Title = n.GetValue(ns, "title")
ch.TextInput.Description = n.GetValue(ns, "description")
ch.TextInput.Name = n.GetValue(ns, "name")
ch.TextInput.Link = n.GetValue(ns, "link")
}
itemcount := len(ch.Items)
list = node.SelectNodes("", "item")
list = node.SelectNodes(ns, "item")
for _, item := range list {
if haveItem(ch, item.GetValue("", "pubDate"),
item.GetValue("", "title"), item.GetValue("", "description")) {
if haveItem(ch, item.GetValue(ns, "pubDate"),
item.GetValue(ns, "title"), item.GetValue(ns, "description")) {
continue
}
i = new(Item)
i.Title = item.GetValue("", "title")
i.Description = item.GetValue("", "description")
i.Title = item.GetValue(ns, "title")
i.Description = item.GetValue(ns, "description")
tl = node.SelectNodes("", "link")
tl = node.SelectNodes(ns, "link")
for _, v := range tl {
lnk := new(Link)
lnk.Href = v.Value
i.Links = append(i.Links, lnk)
}
if n = item.SelectNode("", "author"); n != nil {
if n = item.SelectNode(ns, "author"); n != nil {
i.Author = Author{}
i.Author.Name = n.Value
}
i.Comments = item.GetValue("", "comments")
i.Guid = item.GetValue("", "guid")
i.PubDate = item.GetValue("", "pubDate")
i.Comments = item.GetValue(ns, "comments")
i.Guid = item.GetValue(ns, "guid")
i.PubDate = item.GetValue(ns, "pubDate")
tl = item.SelectNodes("", "category")
tl = item.SelectNodes(ns, "category")
for _, lv := range tl {
cat := new(Category)
cat.Domain = lv.GetAttr("", "domain")
cat.Domain = lv.GetAttr(ns, "domain")
cat.Text = lv.Value
i.Categories = append(i.Categories, cat)
}
tl = item.SelectNodes("", "enclosure")
tl = item.SelectNodes(ns, "enclosure")
for _, lv := range tl {
enc := new(Enclosure)
enc.Url = lv.GetAttr("", "url")
enc.Length = lv.GetAttri64("", "length")
enc.Type = lv.GetAttr("", "type")
enc.Url = lv.GetAttr(ns, "url")
enc.Length = lv.GetAttri64(ns, "length")
enc.Type = lv.GetAttr(ns, "type")
i.Enclosures = append(i.Enclosures, enc)
}
if src := item.SelectNode("", "source"); src != nil {
if src := item.SelectNode(ns, "source"); src != nil {
i.Source = new(Source)
i.Source.Url = src.GetAttr("", "url")
i.Source.Url = src.GetAttr(ns, "url")
i.Source.Text = src.Value
}