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0.1.3
Generate Gleam code from OpenAPI 3.x specifications
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src/oaspec@cli.erl
-module(oaspec@cli).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/oaspec/cli.gleam").
-export([app/0]).
-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.
-file("src/oaspec/cli.gleam", 94).
?DOC(" Create a config file template.\n").
-spec run_init(binary()) -> nil.
run_init(Path) ->
Template = <<"# oaspec configuration file
# See https://github.com/nao1215/oaspec for documentation.
# Path to your OpenAPI 3.x specification (YAML or JSON).
input: openapi.yaml
# Gleam module namespace for generated code.
# Generated imports will be `import <package>/types`, etc.
package: api
# Generation mode: server, client, or both (default: both).
# mode: both
# Output settings (optional).
# output:
# dir: ./gen # Base output directory (default: ./gen)
# server: ./gen/api # Override server output path
# client: ./gen_client/api # Override client output path
"/utf8>>,
case simplifile_erl:is_file(Path) of
{ok, true} ->
gleam_stdlib:println(
<<<<"Error: "/utf8, Path/binary>>/binary,
" already exists"/utf8>>
),
erlang:halt(1);
_ ->
case simplifile:write(Path, Template) of
{ok, _} ->
gleam_stdlib:println(<<"Created "/utf8, Path/binary>>);
{error, _} ->
gleam_stdlib:println(
<<"Error: failed to write "/utf8, Path/binary>>
),
erlang:halt(1)
end
end.
-file("src/oaspec/cli.gleam", 73).
?DOC(" The init command definition.\n").
-spec init_command() -> glint:command(nil).
init_command() ->
begin
glint:flag(
begin
_pipe = glint:string_flag(<<"output"/utf8>>),
_pipe@1 = glint:flag_default(_pipe, <<"./oaspec.yaml"/utf8>>),
glint:flag_help(
_pipe@1,
<<"Output path for the config file"/utf8>>
)
end,
fun(Output_path) ->
glint:command_help(
<<"Create a oaspec.yaml config file"/utf8>>,
fun() ->
glint:command(
fun(_, _, Flags) ->
Path = case Output_path(Flags) of
{ok, P} ->
P;
{error, _} ->
<<"./oaspec.yaml"/utf8>>
end,
run_init(Path)
end
)
end
)
end
)
end.
-file("src/oaspec/cli.gleam", 244).
?DOC(" Get list length.\n").
-spec list_length(list(any())) -> integer().
list_length(Items) ->
case Items of
[] ->
0;
[_ | Rest] ->
1 + list_length(Rest)
end.
-file("src/oaspec/cli.gleam", 134).
?DOC(" Execute the generation pipeline.\n").
-spec run_generate(binary(), binary(), binary()) -> nil.
run_generate(Config_path, Mode_str, Output_str) ->
gleam_stdlib:println(<<"oaspec v"/utf8, (<<"0.3.0"/utf8>>)/binary>>),
gleam_stdlib:println(<<"Loading config from: "/utf8, Config_path/binary>>),
Cfg = case oaspec@config:load(Config_path) of
{ok, C} ->
C;
{error, E} ->
gleam_stdlib:println(
<<"Error: "/utf8, (oaspec@config:error_to_string(E))/binary>>
),
erlang:halt(1),
erlang:error(#{gleam_error => panic,
message => <<"unreachable"/utf8>>,
file => <<?FILEPATH/utf8>>,
module => <<"oaspec/cli"/utf8>>,
function => <<"run_generate"/utf8>>,
line => 148})
end,
Cfg@1 = case Mode_str of
<<""/utf8>> ->
Cfg;
_ ->
case oaspec@config:parse_mode(Mode_str) of
{ok, M} ->
oaspec@config:with_mode(Cfg, M);
{error, E@1} ->
gleam_stdlib:println(
<<"Error: "/utf8,
(oaspec@config:error_to_string(E@1))/binary>>
),
erlang:halt(1),
erlang:error(#{gleam_error => panic,
message => <<"unreachable"/utf8>>,
file => <<?FILEPATH/utf8>>,
module => <<"oaspec/cli"/utf8>>,
function => <<"run_generate"/utf8>>,
line => 161})
end
end,
Cfg@2 = case Output_str of
<<""/utf8>> ->
Cfg@1;
Path ->
oaspec@config:with_output(Cfg@1, {some, Path})
end,
case oaspec@config:validate_output_package_match(Cfg@2) of
{ok, _} ->
nil;
{error, E@2} ->
gleam_stdlib:println(
<<"Error: "/utf8, (oaspec@config:error_to_string(E@2))/binary>>
),
erlang:halt(1)
end,
gleam_stdlib:println(
<<"Parsing OpenAPI spec: "/utf8, (erlang:element(2, Cfg@2))/binary>>
),
Spec = case oaspec@openapi@parser:parse_file(erlang:element(2, Cfg@2)) of
{ok, S} ->
S;
{error, E@3} ->
Detail@3 = case E@3 of
{file_error, Detail} ->
Detail;
{yaml_error, Detail@1} ->
Detail@1;
{missing_field, Path@1, Field} ->
<<<<<<"Missing field '"/utf8, Field/binary>>/binary,
"' at "/utf8>>/binary,
Path@1/binary>>;
{invalid_value, Path@2, Detail@2} ->
<<<<<<"Invalid value at "/utf8, Path@2/binary>>/binary,
": "/utf8>>/binary,
Detail@2/binary>>
end,
gleam_stdlib:println(<<"Error: "/utf8, Detail@3/binary>>),
erlang:halt(1),
erlang:error(#{gleam_error => panic,
message => <<"unreachable"/utf8>>,
file => <<?FILEPATH/utf8>>,
module => <<"oaspec/cli"/utf8>>,
function => <<"run_generate"/utf8>>,
line => 197})
end,
gleam_stdlib:println(
<<<<<<"Spec loaded: "/utf8,
(erlang:element(2, erlang:element(3, Spec)))/binary>>/binary,
" v"/utf8>>/binary,
(erlang:element(4, erlang:element(3, Spec)))/binary>>
),
Ctx = oaspec@codegen@context:new(Spec, Cfg@2),
Validation_errors = oaspec@codegen@validate:validate(Ctx),
case gleam@list:is_empty(Validation_errors) of
true ->
nil;
false ->
gleam_stdlib:println(
<<"Error: OpenAPI spec contains unsupported features:"/utf8>>
),
gleam@list:each(
Validation_errors,
fun(E@4) ->
gleam_stdlib:println(
<<" - "/utf8,
(oaspec@codegen@validate:error_to_string(E@4))/binary>>
)
end
),
erlang:halt(1)
end,
gleam_stdlib:println(<<"Generating code..."/utf8>>),
case oaspec@codegen@writer:generate_all(
Ctx,
fun(Path@3) ->
gleam_stdlib:println(<<" Generated: "/utf8, Path@3/binary>>)
end
) of
{ok, Files} ->
gleam_stdlib:println(<<""/utf8>>),
gleam_stdlib:println(
<<<<"Successfully generated "/utf8,
(erlang:integer_to_binary(list_length(Files)))/binary>>/binary,
" files"/utf8>>
);
{error, E@5} ->
gleam_stdlib:println(
<<"Error: "/utf8,
(oaspec@codegen@writer:error_to_string(E@5))/binary>>
),
erlang:halt(1)
end.
-file("src/oaspec/cli.gleam", 24).
?DOC(" The generate command definition.\n").
-spec generate_command() -> glint:command(nil).
generate_command() ->
begin
glint:flag(
begin
_pipe = glint:string_flag(<<"config"/utf8>>),
_pipe@1 = glint:flag_default(_pipe, <<"./oaspec.yaml"/utf8>>),
glint:flag_help(_pipe@1, <<"Path to config file"/utf8>>)
end,
fun(Config_path) ->
glint:flag(
begin
_pipe@2 = glint:string_flag(<<"mode"/utf8>>),
_pipe@3 = glint:flag_default(_pipe@2, <<""/utf8>>),
glint:flag_help(
_pipe@3,
<<"Generation mode: server, client, or both (overrides config)"/utf8>>
)
end,
fun(Mode) ->
glint:flag(
begin
_pipe@4 = glint:string_flag(<<"output"/utf8>>),
_pipe@5 = glint:flag_default(
_pipe@4,
<<""/utf8>>
),
glint:flag_help(
_pipe@5,
<<"Output directory override"/utf8>>
)
end,
fun(Output) ->
glint:command_help(
<<"Generate Gleam code from an OpenAPI specification"/utf8>>,
fun() ->
glint:command(
fun(_, _, Flags) ->
Config_path@1 = case Config_path(
Flags
) of
{ok, P} ->
P;
{error, _} ->
<<"./oaspec.yaml"/utf8>>
end,
Mode_str = case Mode(Flags) of
{ok, M} ->
M;
{error, _} ->
<<"both"/utf8>>
end,
Output_str = case Output(Flags) of
{ok, O} ->
O;
{error, _} ->
<<""/utf8>>
end,
run_generate(
Config_path@1,
Mode_str,
Output_str
)
end
)
end
)
end
)
end
)
end
)
end.
-file("src/oaspec/cli.gleam", 14).
?DOC(" Set up the CLI application.\n").
-spec app() -> glint:glint(nil).
app() ->
_pipe = glint:new(),
_pipe@1 = glint:with_name(_pipe, <<"oaspec"/utf8>>),
_pipe@2 = glint:global_help(
_pipe@1,
<<"Generate Gleam code from OpenAPI 3.x specifications"/utf8>>
),
_pipe@3 = glint:pretty_help(_pipe@2, glint:default_pretty_help()),
_pipe@4 = glint:add(_pipe@3, [<<"generate"/utf8>>], generate_command()),
glint:add(_pipe@4, [<<"init"/utf8>>], init_command()).