49 lines
1.4 KiB
Elixir
49 lines
1.4 KiB
Elixir
defexception EEx.SyntaxError, message: nil
|
|
|
|
defmodule EEx do
|
|
@moduledoc """
|
|
EEx stands for Embedded Elixir. It allows you to embed
|
|
Elixir code inside a string in a robust way.
|
|
"""
|
|
|
|
@doc """
|
|
Get a string `source` and generate the correspondents
|
|
quotes to be evaluated by Elixir.
|
|
"""
|
|
def compile_string(source, engine // EEx.Engine, filename // 'nofile', line // 1) do
|
|
EEx.Compiler.compile(source, engine, filename, line)
|
|
end
|
|
|
|
@doc """
|
|
Get a `filename` and generate the correspondents quotes to
|
|
be evaluated by Elixir.
|
|
"""
|
|
def compile_file(filename, engine // EEx.Engine) do
|
|
compile_string(File.read!(filename), engine, filename)
|
|
end
|
|
|
|
@doc """
|
|
Get a string `source` and evaluate the values using the `bindings`
|
|
"""
|
|
def eval_string(source, bindings // [], engine // EEx.Engine, filename // 'nofile', line // 1) do
|
|
compiled = compile_string(source, engine, filename, line)
|
|
do_eval(compiled, bindings, filename, line)
|
|
end
|
|
|
|
@doc """
|
|
Get a `filename` and evaluate the values using the `bindings`
|
|
"""
|
|
def eval_file(filename, bindings // [], engine // EEx.Engine) do
|
|
compiled = compile_file(filename, engine)
|
|
do_eval(compiled, bindings, filename)
|
|
end
|
|
|
|
### Helpers
|
|
|
|
defp do_eval(compiled, bindings, filename, line // 1) do
|
|
{ result, _ } = Code.eval_quoted(compiled, bindings, file: filename, line: line)
|
|
result
|
|
end
|
|
end
|
|
|