data.STAFFREL

Module

MEI

Used by

Attribute ClassesThese class-based attributes use data.STAFFREL

att.placement/@place

Data TypesThese other Data Types reference data.STAFFREL

data.PLACEMENT

Constraints

text
schematron

The @staff attribute must contain 2 numerically-adjacent integer values.

Staves and are not adjacent.


                           <sch:rule context="mei:*[@place eq 'between']">
                              
                              <sch:assert test="count(tokenize(normalize-space(string(@staff)), '\s+')) = 2">The @staff
                                 attribute must contain 2 numerically-adjacent integer values.</sch:assert>
                              
                              <sch:let name="tokenizedStaff" value="tokenize(normalize-space(string(@staff)), '\s+')"/>
                              
                              <sch:let name="maxValue" value="max((number($tokenizedStaff[1]), number($tokenizedStaff[2])))"/>
                              
                              <sch:let name="minValue" value="min((number($tokenizedStaff[1]), number($tokenizedStaff[2])))"/>
                              
                              <sch:assert test="$maxValue - $minValue = 1">Staves 
                                 <sch:value-of select="$minValue"/> and
                                 
                                 <sch:value-of select="$maxValue"/>
 are not adjacent.</sch:assert>
                              </sch:rule>

Declaration


                     <macroSpec ident="data.STAFFREL" module="MEI" type="dt">
                        
                        <desc>Location of musical material relative to a staff.</desc>
                        
                        <content>
                           
                           <rng:choice>
                              
                              <rng:ref
                                    
                                    name="data.STAFFREL.basic"
                                    />
                              
                              <rng:ref
                                    
                                    name="data.STAFFREL.extended"
                                    />
                              </rng:choice>
                           </content>
                        
                        <constraintSpec ident="between_requires_adjacent_staves" scheme="isoschematron">
                           
                           <constraint>
                              
                              <sch:rule context="mei:*[@place eq 'between']">
                                 
                                 <sch:assert test="count(tokenize(normalize-space(string(@staff)), '\s+')) = 2">The @staff
                                    attribute must contain 2 numerically-adjacent integer values.</sch:assert>
                                 
                                 <sch:let name="tokenizedStaff" value="tokenize(normalize-space(string(@staff)), '\s+')"/>
                                 
                                 <sch:let name="maxValue" value="max((number($tokenizedStaff[1]), number($tokenizedStaff[2])))"/>
                                 
                                 <sch:let name="minValue" value="min((number($tokenizedStaff[1]), number($tokenizedStaff[2])))"/>
                                 
                                 <sch:assert test="$maxValue - $minValue = 1">Staves 
                                    <sch:value-of select="$minValue"/> and
                                    
                                    <sch:value-of select="$maxValue"/>
 are not adjacent.</sch:assert>
                                 </sch:rule>
                              </constraint>
                           </constraintSpec>
                        </macroSpec>