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phoenix
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0.2.9
0.2.8
0.2.7
0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
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Files
lib/phoenix/router/scope_context.ex
defmodule Phoenix.Router.ScopeContext do
alias Phoenix.Router.Path
alias Phoenix.Router.Stack
@stack_name :scopes
@moduledoc """
Helper functions for scopes macro.
"""
@doc """
Returns path, controller module alias and helper scoped to currently active scope.
"""
def current_scope(path, controller, helper, module) do
{
current_path(path, module),
current_controller(controller, module),
current_helper(helper, module)
}
end
defp current_path(relative_path, module) do
case get_paths(module) do
[] -> relative_path
paths -> paths
|> Enum.reverse
|> Kernel.++([relative_path])
|> Path.join
end
end
defp current_controller(controller, module) do
case get_controllers(module) do
[] -> controller
controllers -> controllers
|> Enum.reverse
|> Kernel.++([controller])
|> Module.concat
end
end
defp current_helper(nil, _module), do: nil
defp current_helper(helper, module) do
case get_helpers(module) do
[] -> helper
helpers -> helpers
|> Enum.reverse
|> Kernel.++([helper])
|> Enum.join("_")
|> move_helper_actions_to_prefix
end
end
defp move_helper_actions_to_prefix(helper) do
Regex.replace(~r/(.*)(edit_|new_)(.*)/, helper, "\\2\\1\\3")
end
defp get_paths(module) do
get(module)
|> Enum.map(fn {path, _, _} -> path end)
|> Enum.filter(&(&1))
end
defp get_controllers(module) do
Enum.map get(module), fn {_, controller, _} -> controller end
end
defp get_helpers(module) do
get(module)
|> Enum.map(fn {_, _, helper} -> helper end)
|> Enum.filter(&(&1))
end
@doc """
Pushes scope to scopes stack
"""
def push(scope, module) do
Stack.push(scope, @stack_name, module)
end
@doc """
Pops scope from scopes stack
"""
def pop(module) do
Stack.pop(@stack_name, module)
end
defp get(module) do
Stack.get(@stack_name, module)
end
end