# RELAX NG Schema for iCalendar in XML # Extract from RFC6321. # Erratum 3042 applied. # Erratum 3050 applied. # Erratum 3314 applied. default namespace = "urn:ietf:params:xml:ns:icalendar-2.0" # 3.2 Property Parameters # 3.2.1 Alternate Text Representation altrepparam = element altrep { value-uri } # 3.2.2 Common Name cnparam = element cn { value-text } # 3.2.3 Calendar User Type cutypeparam = element cutype { element text { "INDIVIDUAL" | "GROUP" | "RESOURCE" | "ROOM" | "UNKNOWN" } } # 3.2.4 Delegators delfromparam = element delegated-from { value-cal-address+ } # 3.2.5 Delegatees deltoparam = element delegated-to { value-cal-address+ } # 3.2.6 Directory Entry Reference dirparam = element dir { value-uri } # 3.2.7 Inline Encoding encodingparam = element encoding { element text { "8BIT" | "BASE64" } } # 3.2.8 Format Type fmttypeparam = element fmttype { value-text } # 3.2.9 Free/Busy Time Type fbtypeparam = element fbtype { element text { "FREE" | "BUSY" | "BUSY-UNAVAILABLE" | "BUSY-TENTATIVE" } } # 3.2.10 Language languageparam = element language { value-text } # 3.2.11 Group or List Membership memberparam = element member { value-cal-address+ } # 3.2.12 Participation Status partstatparam = element partstat { type-partstat-event | type-partstat-todo | type-partstat-jour } type-partstat-event = ( element text { "NEEDS-ACTION" | "ACCEPTED" | "DECLINED" | "TENTATIVE" | "DELEGATED" } ) type-partstat-todo = ( element text { "NEEDS-ACTION" | "ACCEPTED" | "DECLINED" | "TENTATIVE" | "DELEGATED" | "COMPLETED" | "IN-PROCESS" } ) type-partstat-jour = ( element text { "NEEDS-ACTION" | "ACCEPTED" | "DECLINED" } ) # 3.2.13 Recurrence Identifier Range rangeparam = element range { element text { "THISANDFUTURE" } } # 3.2.14 Alarm Trigger Relationship trigrelparam = element related { element text { "START" | "END" } } # 3.2.15 Relationship Type reltypeparam = element reltype { element text { "PARENT" | "CHILD" | "SIBLING" } } # 3.2.16 Participation Role roleparam = element role { element text { "CHAIR" | "REQ-PARTICIPANT" | "OPT-PARTICIPANT" | "NON-PARTICIPANT" } } # 3.2.17 RSVP Expectation rsvpparam = element rsvp { value-boolean } # 3.2.18 Sent By sentbyparam = element sent-by { value-cal-address } # 3.2.19 Time Zone Identifier tzidparam = element tzid { value-text } # 3.3 Property Value Data Types # 3.3.1 BINARY value-binary = element binary { xsd:string } # 3.3.2 BOOLEAN value-boolean = element boolean { xsd:boolean } # 3.3.3 CAL-ADDRESS value-cal-address = element cal-address { xsd:anyURI } # 3.3.4 DATE pattern-date = xsd:string { pattern = "\d\d\d\d-\d\d-\d\d" } value-date = element date { pattern-date } # 3.3.5 DATE-TIME pattern-date-time = xsd:string { pattern = "\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\dZ?" } value-date-time = element date-time { pattern-date-time } # 3.3.6 DURATION pattern-duration = xsd:string { pattern = "(+|-)?P(\d+W)|(\d+D)?" ~ "(T(\d+H(\d+M)?(\d+S)?)|" ~ "(\d+M(\d+S)?)|" ~ "(\d+S))?" } value-duration = element duration { pattern-duration } # 3.3.7 FLOAT value-float = element float { xsd:float } # 3.3.8 INTEGER value-integer = element integer { xsd:integer } # 3.3.9 PERIOD value-period = element period { element start { pattern-date-time }, ( element end { pattern-date-time } | element duration { pattern-duration } ) } # 3.3.10 RECUR value-recur = element recur { type-freq, (type-until | type-count)?, element interval { xsd:positiveInteger }?, type-bysecond*, type-byminute*, type-byhour*, type-byday*, type-bymonthday*, type-byyearday*, type-byweekno*, type-bymonth*, type-bysetpos*, element wkst { type-weekday }? } type-freq = element freq { "SECONDLY" | "MINUTELY" | "HOURLY" | "DAILY" | "WEEKLY" | "MONTHLY" | "YEARLY" } type-until = element until { type-date | type-date-time } type-count = element count { xsd:positiveInteger } type-bysecond = element bysecond { xsd:nonNegativeInteger } type-byminute = element byminute { xsd:nonNegativeInteger } type-byhour = element byhour { xsd:nonNegativeInteger } type-weekday = ( "SU" | "MO" | "TU" | "WE" | "TH" | "FR" | "SA" ) type-byday = element byday { xsd:integer?, type-weekday } type-bymonthday = element bymonthday { xsd:integer } type-byyearday = element byyearday { xsd:integer } type-byweekno = element byweekno { xsd:integer } type-bymonth = element bymonth { xsd:positiveInteger } type-bysetpos = element bysetpos { xsd:integer } # 3.3.11 TEXT value-text = element text { xsd:string } # 3.3.12 TIME pattern-time = xsd:string { pattern = "\d\d:\d\d:\d\dZ?" } value-time = element time { pattern-time } # 3.3.13 URI value-uri = element uri { xsd:anyURI } # 3.3.14 UTC-OFFSET value-utc-offset = element utc-offset { xsd:string { pattern = "(+|-)\d\d:\d\d(:\d\d)?" } } # UNKNOWN value-unknown = element unknown { xsd:string } # 3.4 iCalendar Stream start = element icalendar { vcalendar+ } # 3.6 Calendar Components vcalendar = element vcalendar { type-calprops, type-component } type-calprops = element properties { property-prodid & property-version & property-calscale? & property-method? } type-component = element components { ( component-vevent | component-vtodo | component-vjournal | component-vfreebusy | component-vtimezone )* } # 3.6.1 Event Component component-vevent = element vevent { type-eventprop, element components { component-valarm+ }? } type-eventprop = element properties { property-dtstamp & property-dtstart & property-uid & property-class? & property-created? & property-description? & property-geo? & property-last-mod? & property-location? & property-organizer? & property-priority? & property-seq? & property-status-event? & property-summary? & property-transp? & property-url? & property-recurid? & property-rrule? & (property-dtend | property-duration)? & property-attach* & property-attendee* & property-categories* & property-comment* & property-contact* & property-exdate* & property-rstatus* & property-related* & property-resources* & property-rdate* } # 3.6.2 To-do Component component-vtodo = element vtodo { type-todoprop, element components { component-valarm+ }? } type-todoprop = element properties { property-dtstamp & property-uid & property-class? & property-completed? & property-created? & property-description? & property-geo? & property-last-mod? & property-location? & property-organizer? & property-percent? & property-priority? & property-recurid? & property-seq? & property-status-todo? & property-summary? & property-url? & property-rrule? & ( (property-dtstart?, property-dtend? ) | (property-dtstart, property-duration)? ) & property-attach* & property-attendee* & property-categories* & property-comment* & property-contact* & property-exdate* & property-rstatus* & property-related* & property-resources* & property-rdate* } # 3.6.3 Journal Component component-vjournal = element vjournal { type-jourprop } type-jourprop = element properties { property-dtstamp & property-uid & property-class? & property-created? & property-dtstart? & property-last-mod? & property-organizer? & property-recurid? & property-seq? & property-status-jour? & property-summary? & property-url? & property-rrule? & property-attach* & property-attendee* & property-categories* & property-comment* & property-contact* & property-description? & property-exdate* & property-related* & property-rdate* & property-rstatus* } # 3.6.4 Free/Busy Component component-vfreebusy = element vfreebusy { type-fbprop } type-fbprop = element properties { property-dtstamp & property-uid & property-contact? & property-dtstart? & property-dtend? & property-duration? & property-organizer? & property-url? & property-attendee* & property-comment* & property-freebusy* & property-rstatus* } # 3.6.5 Time Zone Component component-vtimezone = element vtimezone { element properties { property-tzid & property-last-mod? & property-tzurl? }, element components { (component-standard | component-daylight) & component-standard* & component-daylight* } } component-standard = element standard { type-tzprop } component-daylight = element daylight { type-tzprop } type-tzprop = element properties { property-dtstart & property-tzoffsetto & property-tzoffsetfrom & property-rrule? & property-comment* & property-rdate* & property-tzname* } # 3.6.6 Alarm Component component-valarm = element valarm { type-audioprop | type-dispprop | type-emailprop } type-audioprop = element properties { property-action & property-trigger & (property-duration, property-repeat)? & property-attach? } type-emailprop = element properties { property-action & property-description & property-trigger & property-summary & property-attendee+ & (property-duration, property-repeat)? & property-attach* } type-dispprop = element properties { property-action & property-description & property-trigger & (property-duration, property-repeat)? } # 3.7 Calendar Properties # 3.7.1 Calendar Scale property-calscale = element calscale { element parameters { empty }?, element text { "GREGORIAN" } } # 3.7.2 Method property-method = element method { element parameters { empty }?, value-text } # 3.7.3 Product Identifier property-prodid = element prodid { element parameters { empty }?, value-text } # 3.7.4 Version property-version = element version { element parameters { empty }?, element text { "2.0" } } # 3.8 Component Properties # 3.8.1 Descriptive Component Properties # 3.8.1.1 Attachment property-attach = element attach { element parameters { fmttypeparam? & encodingparam? }?, value-uri | value-binary } # 3.8.1.2 Categories property-categories = element categories { element parameters { languageparam? & }?, value-text+ } # 3.8.1.3 Classification property-class = element class { element parameters { empty }?, element text { "PUBLIC" | "PRIVATE" | "CONFIDENTIAL" } } # 3.8.1.4 Comment property-comment = element comment { element parameters { altrepparam? & languageparam? }?, value-text } # 3.8.1.5 Description property-description = element description { element parameters { altrepparam? & languageparam? }?, value-text } # 3.8.1.6 Geographic Position property-geo = element geo { element parameters { empty }?, element latitude { xsd:float }, element longitude { xsd:float } } # 3.8.1.7 Location property-location = element location { element parameters { altrepparam? & languageparam? }?, value-text } # 3.8.1.8 Percent Complete property-percent = element percent-complete { element parameters { empty }?, value-integer } # 3.8.1.9 Priority property-priority = element priority { element parameters { empty }?, value-integer } # 3.8.1.10 Resources property-resources = element resources { element parameters { altrepparam? & languageparam? }?, value-text+ } # 3.8.1.11 Status property-status-event = element status { element parameters { empty }?, element text { "TENTATIVE" | "CONFIRMED" | "CANCELLED" } } property-status-todo = element status { element parameters { empty }?, element text { "NEEDS-ACTION" | "COMPLETED" | "IN-PROCESS" | "CANCELLED" } } property-status-jour = element status { element parameters { empty }?, element text { "DRAFT" | "FINAL" | "CANCELLED" } } # 3.8.1.12 Summary property-summary = element summary { element parameters { altrepparam? & languageparam? }?, value-text } # 3.8.2 Date and Time Component Properties # 3.8.2.1 Date/Time Completed property-completed = element completed { element parameters { empty }?, value-date-time } # 3.8.2.2 Date/Time End property-dtend = element dtend { element parameters { tzidparam? }?, value-date-time | value-date } # 3.8.2.3 Date/Time Due property-due = element due { element parameters { tzidparam? }?, value-date-time | value-date } # 3.8.2.4 Date/Time Start property-dtstart = element dtstart { element parameters { tzidparam? }?, value-date-time | value-date } # 3.8.2.5 Duration property-duration = element duration { element parameters { empty }?, value-duration } # 3.8.2.6 Free/Busy Time property-freebusy = element freebusy { element parameters { fbtypeparam? }?, value-period+ } # 3.8.2.7 Time Transparency property-transp = element transp { element parameters { empty }?, element text { "OPAQUE" | "TRANSPARENT" } } # 3.8.3 Time Zone Component Properties # 3.8.3.1 Time Zone Identifier property-tzid = element tzid { element parameters { empty }?, value-text } # 3.8.3.2 Time Zone Name property-tzname = element tzname { element parameters { languageparam? }?, value-text } # 3.8.3.3 Time Zone Offset From property-tzoffsetfrom = element tzoffsetfrom { element parameters { empty }?, value-utc-offset } # 3.8.3.4 Time Zone Offset To property-tzoffsetto = element tzoffsetto { element parameters { empty }?, value-utc-offset } # 3.8.3.5 Time Zone URL property-tzurl = element tzurl { element parameters { empty }?, value-uri } # 3.8.4 Relationship Component Properties # 3.8.4.1 Attendee property-attendee = element attendee { element parameters { cutypeparam? & memberparam? & roleparam? & partstatparam? & rsvpparam? & deltoparam? & delfromparam? & sentbyparam? & cnparam? & dirparam? & languageparam? }?, value-cal-address } # 3.8.4.2 Contact property-contact = element contact { element parameters { altrepparam? & languageparam? }?, value-text } # 3.8.4.3 Organizer property-organizer = element organizer { element parameters { cnparam? & dirparam? & sentbyparam? & languageparam? }?, value-cal-address } # 3.8.4.4 Recurrence ID property-recurid = element recurrence-id { element parameters { tzidparam? & rangeparam? }?, value-date-time | value-date } # 3.8.4.5 Related-To property-related = element related-to { element parameters { reltypeparam? }?, value-text } # 3.8.4.6 Uniform Resource Locator property-url = element url { element parameters { empty }?, value-uri } # 3.8.4.7 Unique Identifier property-uid = element uid { element parameters { empty }?, value-text } # 3.8.5 Recurrence Component Properties # 3.8.5.1 Exception Date/Times property-exdate = element exdate { element parameters { tzidparam? }?, value-date-time+ | value-date+ } # 3.8.5.2 Recurrence Date/Times property-rdate = element rdate { element parameters { tzidparam? }?, value-date-time+ | value-date+ | value-period+ } # 3.8.5.3 Recurrence Rule property-rrule = element rrule { element parameters { empty }?, value-recur } # 3.8.6 Alarm Component Properties # 3.8.6.1 Action property-action = element action { element parameters { empty }?, element text { "AUDIO" | "DISPLAY" | "EMAIL" } } # 3.8.6.2 Repeat Count property-repeat = element repeat { element parameters { empty }?, value-integer } # 3.8.6.3 Trigger property-trigger = element trigger { ( element parameters { trigrelparam? }?, value-duration ) | ( element parameters { empty }?, value-date-time ) } # 3.8.7 Change Management Component Properties # 3.8.7.1 Date/Time Created property-created = element created { element parameters { empty }?, value-date-time } # 3.8.7.2 Date/Time Stamp property-dtstamp = element dtstamp { element parameters { empty }?, value-date-time } # 3.8.7.3 Last Modified property-last-mod = element last-modified { element parameters { empty }?, value-date-time } # 3.8.7.4 Sequence Number property-seq = element sequence { element parameters { empty }?, value-integer } # 3.8.8 Miscellaneous Component Properties # 3.8.8.3 Request Status property-rstatus = element request-status { element parameters { languageparam? }?, element code { xsd:string }, element description { xsd:string }, element data { xsd:string }? }