Class MacroExpander
source code
object --+
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MacroExpander
- Known Subclasses:
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is a generic "macro" expander for scripts of all kinds.
It is loosely inspired by TeX, but of course much simpler. See the
syntax below.
The macros themselves come from a MacroPackage object. There are a
few of these around, implementing different functionality depending on
the script context (i.e., whether it belongs to an RD, a DD, or a
Table.
All macros are just functions receiving and returning strings. The
arguments are written as {arg1}{arg2}, where you can escape curly braces
with a backslash. There must be no whitespace between a macro and its
first argument.
If you need to glue together a macro expansion and text following, use
the glue sequence \+
The main entry point to the class is the expand function below, taking
a string possibly containing macro calls and returning a string.
The construction of such a macro expander is relatively expensive, so
it pays to cache them. MacroPackage below has a getExpander method that
does the caching for you.
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__init__(self,
package)
x.__init__(...) initializes x; see help(type(x)) for signature |
source code
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Inherited from object:
__delattr__,
__format__,
__getattribute__,
__hash__,
__new__,
__reduce__,
__reduce_ex__,
__repr__,
__setattr__,
__sizeof__,
__str__,
__subclasshook__
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Inherited from object:
__class__
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x.__init__(...) initializes x; see help(type(x)) for signature
- Overrides:
object.__init__
- (inherited documentation)
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