I'm toying with writing a CSL parser and have found this to be rather
difficult. I've been able to deal with relatively simple styles, like JBC, but
find the more complex ones baffling. For example, the Chicago styles. Here's
one macro from the Chicago Author-Date style:
<macro name="secondary-contributors">
<choose>
<if type="chapter paper-conference" match="none">
<group delimiter=". ">
<choose>
<if variable="author">
<names variable="editor">
<label form="verb" text-case="capitalize-first" suffix=" "
plural="never"/>
<name and="text" delimiter=", "/>
</names>
</if>
</choose>
<choose>
<if variable="author editor" match="any">
<names variable="translator">
<label form="verb" text-case="capitalize-first" suffix=" "
plural="never"/>
<name and="text" delimiter=", "/>
</names>
</if>
</choose>
</group>
</if>
</choose>
</macro>
Could someone translate the logic of this macro into English for me?
The <if type= node is self-explanatory. However, what does <if
variable="author"> mean? To me it would seem to mean
if type is a chapter or paper-conference
if an author is to be output
substitute the editor
but that makes no sense. Also, what does <if variable="author editor"
match="any"> mean?
I appreciate any explanation someone on the list can give.
Thanks,
Jon
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