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Pure Elixir HL7 v2.x toolkit — schema-driven parsing, typed segments, message builder, MLLP transport
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lib/hl7v2/type/cne.ex
defmodule HL7v2.Type.CNE do
@moduledoc """
Coded with No Exceptions (CNE) -- HL7v2 composite data type.
Like CWE but requires a valid code. Free text alone (component 9 only)
is NOT permitted. Component 1 (Identifier) is required.
9 components (same layout as CWE):
1. Identifier (ST) -- REQUIRED
2. Text (ST)
3. Name of Coding System (ID) -- Table 0396
4. Alternate Identifier (ST)
5. Alternate Text (ST)
6. Name of Alternate Coding System (ID) -- Table 0396
7. Coding System Version ID (ST)
8. Alternate Coding System Version ID (ST)
9. Original Text (ST)
"""
@behaviour HL7v2.Type
alias HL7v2.Type
defstruct [
:identifier,
:text,
:name_of_coding_system,
:alternate_identifier,
:alternate_text,
:name_of_alternate_coding_system,
:coding_system_version_id,
:alternate_coding_system_version_id,
:original_text
]
@type t :: %__MODULE__{
identifier: binary() | nil,
text: binary() | nil,
name_of_coding_system: binary() | nil,
alternate_identifier: binary() | nil,
alternate_text: binary() | nil,
name_of_alternate_coding_system: binary() | nil,
coding_system_version_id: binary() | nil,
alternate_coding_system_version_id: binary() | nil,
original_text: binary() | nil
}
@doc """
Parses a CNE from a list of components.
## Examples
iex> HL7v2.Type.CNE.parse(["F", "Female", "HL70001"])
%HL7v2.Type.CNE{identifier: "F", text: "Female", name_of_coding_system: "HL70001"}
iex> HL7v2.Type.CNE.parse([])
%HL7v2.Type.CNE{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
identifier: Type.get_component(components, 0),
text: Type.get_component(components, 1),
name_of_coding_system: Type.get_component(components, 2),
alternate_identifier: Type.get_component(components, 3),
alternate_text: Type.get_component(components, 4),
name_of_alternate_coding_system: Type.get_component(components, 5),
coding_system_version_id: Type.get_component(components, 6),
alternate_coding_system_version_id: Type.get_component(components, 7),
original_text: Type.get_component(components, 8)
}
end
@doc """
Encodes a CNE to a list of component strings.
## Examples
iex> HL7v2.Type.CNE.encode(%HL7v2.Type.CNE{identifier: "F", text: "Female", name_of_coding_system: "HL70001"})
["F", "Female", "HL70001"]
iex> HL7v2.Type.CNE.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = cne) do
[
cne.identifier || "",
cne.text || "",
cne.name_of_coding_system || "",
cne.alternate_identifier || "",
cne.alternate_text || "",
cne.name_of_alternate_coding_system || "",
cne.coding_system_version_id || "",
cne.alternate_coding_system_version_id || "",
cne.original_text || ""
]
|> Type.trim_trailing()
end
end