Module pl.template

A template preprocessor.

Originally by Ricki Lake

There are two rules:

  • lines starting with # are Lua
  • otherwise, $(expr) is the result of evaluating expr

Example:

#  for i = 1,3 do
   $(i) Hello, Word!
#  end
===>
1 Hello, Word!
2 Hello, Word!
3 Hello, Word!

Other escape characters can be used, when the defaults conflict with the output language.

> for _,n in pairs{'one','two','three'} do
static int l_${n} (luaState *state);
> end

See the Guide.

Dependencies: pl.utils

Functions

substitute (str, env) expand the template using the specified environment.


Functions

substitute (str, env)
expand the template using the specified environment. There are three special fields in the environment table
  • _parent continue looking up in this table
  • _brackets; default is '()', can be any suitable bracket pair
  • _escape; default is '#'

Parameters:

  • str the template string
  • env the environment (by default empty).
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