mirror of https://github.com/perkeep/perkeep.git
139 lines
2.7 KiB
Go
139 lines
2.7 KiB
Go
package main
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import (
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"bytes"
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"template"
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"fmt"
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"http"
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"time"
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"url"
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)
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type xmler interface {
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XML(b *bytes.Buffer)
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}
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// See: http://www.webdav.org/specs/rfc4918.html
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// 14.7 href XML Element
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type href url.URL
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func (h *href) XML(b *bytes.Buffer) {
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b.WriteString("<href>" + template.HTMLEscapeString((*url.URL)(h).String()) + "</href>")
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}
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// 14.16 multistatus XML Element
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type multistatus []*response
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func (m multistatus) XML(b *bytes.Buffer) {
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b.WriteString("<multistatus xmlns='DAV:'>")
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for _, r := range m {
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r.XML(b)
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}
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b.WriteString("</multistatus>")
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}
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// 14.24 response XML Element
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type response struct {
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href *href
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body xmler // hrefsstatus OR propstats
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}
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func (r *response) XML(b *bytes.Buffer) {
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b.WriteString("<response>")
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r.href.XML(b)
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r.body.XML(b)
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b.WriteString("</response>")
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}
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// part of 14.24 response XML element
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type hrefsstatus struct {
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hrefs []*href
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status status
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}
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func (hs *hrefsstatus) XML(b *bytes.Buffer) {
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for _, h := range hs.hrefs {
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h.XML(b)
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}
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hs.status.XML(b)
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}
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// part of 14.24 response element
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type propstats []propstat
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func (p propstats) XML(b *bytes.Buffer) {
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b.WriteString("<propstat>")
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for _, prop := range p {
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prop.XML(b)
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}
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b.WriteString("</propstat>")
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}
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// 14.22 propstat XML Element
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type propstat struct {
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props []xmler
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status status
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}
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func (p *propstat) XML(b *bytes.Buffer) {
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b.WriteString("<prop>")
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for _, prop := range p.props {
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prop.XML(b)
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}
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b.WriteString("</prop>")
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p.status.XML(b)
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}
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// 14.28 status XML element
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type status int
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func (s status) XML(b *bytes.Buffer) {
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b.WriteString(fmt.Sprintf("<status>HTTP/1.1 %d %s</status>", s, template.HTMLEscapeString(http.StatusText(int(s)))))
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}
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// 15.1 creationdate Property
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type creationdate uint64 // seconds from unix epoch
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func (c creationdate) XML(b *bytes.Buffer) {
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b.WriteString("<creationdate>")
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b.WriteString(epochToXMLTime(int64(c)))
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b.WriteString("</creationdate>")
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}
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// 15.4 getcontentlength Property
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type getcontentlength uint64
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func (l getcontentlength) XML(b *bytes.Buffer) {
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b.WriteString("<getcontentlength>")
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b.WriteString(fmt.Sprint(l))
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b.WriteString("</getcontentlength>")
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}
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// 15.7 getlastmodified Property
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type getlastmodified uint64 // seconds from unix epoch
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func (g getlastmodified) XML(b *bytes.Buffer) {
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b.WriteString("<getlastmodified>")
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b.WriteString(epochToXMLTime(int64(g)))
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b.WriteString("</getlastmodified>")
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}
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// 15.9 resourcetype Property
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type resourcetype bool // true if collection (directory), false otherwise
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func (r resourcetype) XML(b *bytes.Buffer) {
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b.WriteString("<resourcetype>")
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if r {
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b.WriteString("<collection/>")
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}
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b.WriteString("</resourcetype>")
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}
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// helpers
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func epochToXMLTime(sec int64) string {
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return template.HTMLEscapeString(time.SecondsToUTC(sec).Format(time.RFC3339))
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}
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