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authorWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:06:33 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:06:33 (GMT)
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+objects.txt syntax
+------------------
+
+To cover all the naming hacks that were previously in objects.h needed some
+kind of hacks in objects.txt.
+
+The basic syntax for adding an object is as follows:
+
+ 1 2 3 4 : shortName : Long Name
+
+ If Long Name contains only word characters and hyphen-minus
+ (0x2D) or full stop (0x2E) then Long Name is used as basis
+ for the base name in C. Otherwise, the shortName is used.
+
+ The base name (let's call it 'base') will then be used to
+ create the C macros SN_base, LN_base, NID_base and OBJ_base.
+
+ Note that if the base name contains spaces, dashes or periods,
+ those will be converte to underscore.
+
+Then there are some extra commands:
+
+ !Alias foo 1 2 3 4
+
+ This just makes a name foo for an OID. The C macro
+ OBJ_foo will be created as a result.
+
+ !Cname foo
+
+ This makes sure that the name foo will be used as base name
+ in C.
+
+ !module foo
+ 1 2 3 4 : shortName : Long Name
+ !global
+
+ The !module command was meant to define a kind of modularity.
+ What it does is to make sure the module name is prepended
+ to the base name. !global turns this off. This construction
+ is not recursive.
+
+Lines starting with # are treated as comments, as well as any line starting
+with ! and not matching the commands above.
+