Mike et al See dev/users mail list for attached PDF.
In addition to unexpected <xs:unsignedInt> behavior, see unusual behavior re: fn:count dfdl:outputValueCalc ... if (~) then ~ else Attila On Wed, Mar 16, 2022 at 12:26 PM Mike Beckerle <[email protected]> wrote: > Created https://issues.apache.org/jira/browse/DAFFODIL-2676 > > On Wed, Mar 16, 2022 at 12:21 PM Mike Beckerle <[email protected]> > wrote: > > > Ok, I found the attachment. Sorry for the delay. > > > > The challenge here is you are thinking the > > xs:unsignedInt(../Line1.02-Satellite) call will tolerate whitespace. > Which > > it seems they do not. > > > > I think this is a Daffodil bug, as the constructors like xs:unsignedInt > > are supposed to work like they do in XPath, and the XPath functions spec > > says when converting from strings, that whitespace normalization applies > - > > which trims all leading and trailing whitespace. It's less clear > > about whether interior whitespace is collapsed, but definitely > > leading/trailing seem to be trimmed. > > > > So I'll add a JIRA ticket about this. > > > > For how to work around, I suggest parsing the satellite field not as a > > string, but as an unsignedInt from the start. > > > > So like: > > > > <xs:element name="satellite-num-range" type="xs:unsignedInt" > > dfdl:lengthKind="explicit" dfdl:length="5" > > dfdl:textTrimKind="padChar" dfdl:textPadKind="padChar" > > dfdl:textNumberPadCharacter="%SP;" dfdl:textNumberJustification="right" > > dfdl:textNumberPattern="####0"/> > > > > I didn't run this, but I think this will remove leading spaces, and add > > leading spaces to your 5 character element. > > > > Another way to express this, since you need only leading padding is this: > > > > <xs:element name="satellite-num-range" type="xs:unsignedInt" > > dfdl:lengthKind="explicit" dfdl:length="5" > > dfdl:textNumberPattern="* ####0"/> > > > > In that textNumberPattern the "* " means spaces are the pad character to > > be used, and when there is no digit for the position of a "#" then the > pad > > character from the pattern (not the textNumberPadCharacter) is used. > > > > Both kinds of padding can be used together E.g., so you could have number > > text right justified in a fixed-length field of width 6, using "*" to pad > > to width 5 so that you can get " **123". > > > > <xs:element name="starPadNum" type="xs:unsignedInt" > > dfdl:lengthKind="explicit" dfdl:length="6" > > dfdl:textTrimKind="padChar" dfdl:textPadKind="padChar" > > dfdl:textNumberPadCharacter="%SP;" dfdl:textNumberJustification="right" > > dfdl:textNumberPattern="* ####0"/> > > > > I didn't run these, but this is, I believe, how it is supposed to work. > > > > > > > > On Tue, Mar 15, 2022 at 5:23 PM Attila Horvath < > [email protected]> > > wrote: > > > >> Attachment can be found on > >> https://lists.apache.org/[email protected] list. > >> Not sure why it didn't show up on dev - I sent msg to both lists. > >> > >> On Tue, Mar 15, 2022 at 3:41 PM Mike Beckerle <[email protected]> > >> wrote: > >> > >> > No attached PDF. > >> > > >> > Removal of blanks from a number would normally be by way of DFDL > >> "padding" > >> > and "trimming" properties. > >> > > >> > You need dfdl:textNumberJustification property, also textTrimKind, > >> > textPadKind, textNumberPadCharacter. > >> > > >> > You can also use textNumberPattern to indicate that a number may have > >> > leading spaces or zeros, but this is mostly about output when those > >> leading > >> > zeros are required. > >> > > >> > Padding on left == Right Justified > >> > Padding on right == Left Justified > >> > Padding around both sides = Center Justified. > >> > > >> > > >> > > >> > On Tue, Mar 15, 2022 at 8:53 AM Attila Horvath < > >> [email protected] > >> > > > >> > wrote: > >> > > >> > > Ping... any assistance appreciated - thx > >> > > > >> > > ---------- Forwarded message --------- > >> > > From: Attila Horvath <[email protected]> > >> > > Date: Mon, Mar 14, 2022 at 12:38 PM > >> > > Subject: string to integer conversion w/ leading blanks fails > >> > > To: <[email protected]>, <[email protected]> > >> > > > >> > > > >> > > ALCON > >> > > > >> > > Can someone pls suggest a way to convert string to integer if/when > >> > leading > >> > > blanks are present? > >> > > > >> > > My attempts are failing - see attached pdf for more details. > >> > > > >> > > Thx in advance > >> > > > >> > > Attila > >> > > > >> > > >> > > >
