Is there a delimiter after the longitude like the "/"? If so then it is only the latitude field that is fixed length.
On Thu, Aug 18, 2022 at 12:40 PM Roger L Costello <[email protected]> wrote: > > You'll need to use lengthKind="pattern" in this case. > > Ugh! > > I thought, with the use of -V limited, I had finally gotten rid of > lengthKind="pattern". Now, with what you're telling me, I find myself back > to the old tedious, error-prone task of ordering regexes > longest-to-shortest. In fact, writing a program that examines an arbitrary > set of pattern facet regexes to order them longest-to-shortest is going to > be extremely difficult or even impossible. This is horrible! > > Is there no other solution? > > /Roger > > -----Original Message----- > From: Steve Lawrence <[email protected]> > Sent: Thursday, August 18, 2022 12:24 PM > To: [email protected] > Subject: [EXT] Re: Bug in Daffodil > > You'll need to use lengthKind="pattern" in this case. You could combine > your pattern restrictions in to a big regex of alternatives, or you > could do something a little less verbose like this: > > <xs:element name="LatitudeMinutes" dfdl:lengthKind="pattern" > dfdl:lengthPattern="[0-9]{2}(\.[0-9]{1,4})?" /> > > Matches the same thing, but is a bit more compact. The same pattern > could be used for the restriction. > > Alternatively, if you wanted to differentiate between well-formed/valid > (i.e. different length pattern than restriction pattern), you could even > do something like this: > > <xs:element name="LatitudeMinutes" dfdl:lengthKind="pattern" > dfdl:lengthPattern="[0-9]+(\.[0-9]+)?" /> > > So parsing would accept any decimal number with optional decimal digits, > and then validation could restrict this to the appropriate number of > digits using the existing facets. Note that treating it as an xs:decimal > instead of xs:string might give more you control (e.g. value must be >= > 0 and < than 60). > > The Hemisphere element would have an explicit length of 1, e.g. > > <xs:element name="Hemisphere" dfdl:lengthKind="explicit" dfdl:length="1"> > > On 8/18/22 12:03 PM, Roger L Costello wrote: > > Thanks Steve. Unfortunately, specifying an explicit length on each > element is not going to work. The second element - LatitudeMinutes - can > actually be 2, 4, 5, 6, or 7 characters in length: > > > > <xs:element name="LatitudeMinutes"> > > <xs:simpleType> > > <xs:restriction base="xs:string"> > > <xs:pattern value="[0-9]{2}"/> > > <xs:pattern value="[0-9]{2}\.[0-9]{1}"/> > > <xs:pattern value="[0-9]{2}\.[0-9]{2}"/> > > <xs:pattern value="[0-9]{2}\.[0-9]{3}"/> > > <xs:pattern value="[0-9]{2}\.[0-9]{4}"/> > > </xs:restriction> > > </xs:simpleType> > > </xs:element> > > > > And after it are more elements. For example, following it is this element > > > > <xs:element name="Hemisphere"> > > <xs:simpleType> > > <xs:restriction base="xs:string"> > > <xs:enumeration value="N"/> > > <xs:enumeration value="S"/> > > </xs:restriction> > > </xs:simpleType> > > </xs:element> > > > > How to handle this situation? > > > > /Roger > > > > -----Original Message----- > > From: Steve Lawrence <[email protected]> > > Sent: Thursday, August 18, 2022 11:54 AM > > To: [email protected] > > Subject: [EXT] Re: Bug in Daffodil > > > > You haven't specified a length of the LatitudeDegrees (or > > LatitudeMinutes). So the lengthKind is just delimited and so will end up > > delimited by the nearest enclosing delimiter, which is the /. So > > LatatitudeDegrees is parsed as "2006", and things go off the rails. > > > > Instead, you want your LatitudeDegrees/Minutes elements to have > > lengthKind="explicit" with length="2", e.g.: > > > > <xs:element name="Origin"> > > <xs:complexType> > > <xs:sequence> > > <xs:element name="LatitudeDegrees" > > dfdl:lengthKind="explicit" dfdl:length="2"> > > <xs:simpleType> > > <xs:restriction base="xs:string"> > > <xs:pattern value="[0-9]{2}"/> > > </xs:restriction> > > </xs:simpleType> > > </xs:element> > > <xs:element name="LatitudeMinutes" > > dfdl:lengthKind="explicit" dfdl:length="2"> > > <xs:simpleType> > > <xs:restriction base="xs:string"> > > <xs:pattern value="[0-9]{2}"/> > > </xs:restriction> > > </xs:simpleType> > > </xs:element> > > </xs:sequence> > > </xs:complexType> > > </xs:element> > > > > > > > > On 8/18/22 11:08 AM, Roger L Costello wrote: > >> Hi Folks, > >> > >> Daffodil is unable to parse DFDL schemas containing two consecutive > element declarations, each with a simpleType which has a facet. > >> > >> With this input: > >> > >> John Doe/2006/Sally Smith > >> > >> The part of interest is the middle part - 2006 - which consists of two > subparts: 20 (LatitudeDegrees) and 06 (LatitudeMinutes). Each subpart is > constrained via XSD facets. > >> > >> I get this error message when I parse using Daffodil version 3.2.1 > (using the -V limited option): > >> > >> [error] Validation Error: LatitudeMinutes failed facet checks due to: > facet enumeration(s): 06 > >> > >> Below is my DFDL schema. > >> > >> I believe this is a bug, yes? Is there a workaround? > >> > >> <xs:schema xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0/"; xmlns:xs=" > http://www.w3.org/2001/XMLSchema";> > >> <xs:annotation xmlns:f="function" xmlns:fn=" > http://www.w3.org/2005/xpath-functions"; xmlns:regex="regex-functions"> > >> <xs:appinfo source="http://www.ogf.org/dfdl/";> > >> <dfdl:format alignment="1" > >> alignmentUnits="bytes" > >> emptyValueDelimiterPolicy="none" > >> encoding="ASCII" > >> encodingErrorPolicy="replace" > >> escapeSchemeRef="" > >> fillByte="%SP;" > >> floating="no" > >> ignoreCase="yes" > >> initiatedContent="no" > >> initiator="" > >> leadingSkip="0" > >> lengthKind="delimited" > >> lengthUnits="characters" > >> nilValueDelimiterPolicy="none" > >> occursCountKind="implicit" > >> outputNewLine="%CR;%LF;" > >> representation="text" > >> separator="" > >> separatorSuppressionPolicy="anyEmpty" > >> sequenceKind="ordered" > >> textBidi="no" > >> textPadKind="none" > >> textTrimKind="none" > >> trailingSkip="0" > >> truncateSpecifiedLengthString="no" > >> terminator="" > >> textNumberRep="standard" > >> textStandardBase="10" > >> textStandardZeroRep="0" > >> textNumberRounding="pattern" > >> textStandardExponentRep="E" > >> textNumberCheckPolicy="strict"/> > >> </xs:appinfo> > >> </xs:annotation> > >> <xs:element name="Test"> > >> <xs:complexType> > >> <xs:sequence dfdl:separator="/" > dfdl:separatorPosition="infix"> > >> <xs:element name="A" type="xs:string" /> > >> <xs:element name="Origin"> > >> <xs:complexType> > >> <xs:sequence dfdl:separator=""> > >> <xs:element name="LatitudeDegrees"> > >> <xs:simpleType> > >> <xs:restriction base="xs:string"> > >> <xs:pattern value="[0-9]{2}"/> > >> </xs:restriction> > >> </xs:simpleType> > >> </xs:element> > >> <xs:element name="LatitudeMinutes"> > >> <xs:simpleType> > >> <xs:restriction base="xs:string"> > >> <!--<xs:pattern > value="[0-9]{2}"/>--> <!-- This also fails --> > >> <xs:enumeration value="06" /> > >> </xs:restriction> > >> </xs:simpleType> > >> </xs:element> > >> </xs:sequence> > >> </xs:complexType> > >> </xs:element> > >> <xs:element name="B" type="xs:string" /> > >> </xs:sequence> > >> </xs:complexType> > >> </xs:element> > >> </xs:schema> > >> > >> >
