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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", 201).
?DOC(" Pure config loading and validation pipeline.\n").
-spec load_config(
binary(),
gleam@option:option(binary()),
gleam@option:option(binary())
) -> {ok, oaspec@config:config()} | {error, binary()}.
load_config(Config_path, Mode_opt, Output_opt) ->
gleam@result:'try'(
begin
_pipe = oaspec@config:load(Config_path),
gleam@result:map_error(_pipe, fun oaspec@config:error_to_string/1)
end,
fun(Cfg) -> gleam@result:'try'(case Mode_opt of
none ->
{ok, Cfg};
{some, Mode_str} ->
_pipe@1 = oaspec@config:parse_mode(Mode_str),
_pipe@2 = gleam@result:map(
_pipe@1,
fun(M) -> oaspec@config:with_mode(Cfg, M) end
),
gleam@result:map_error(
_pipe@2,
fun oaspec@config:error_to_string/1
)
end, fun(Cfg@1) ->
Cfg@2 = case Output_opt of
none ->
Cfg@1;
{some, Path} ->
oaspec@config:with_output(Cfg@1, {some, Path})
end,
_pipe@3 = oaspec@config:validate_output_package_match(Cfg@2),
_pipe@4 = gleam@result:map(_pipe@3, fun(_) -> Cfg@2 end),
gleam@result:map_error(
_pipe@4,
fun oaspec@config:error_to_string/1
)
end) end
).
-file("src/oaspec/cli.gleam", 91).
?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", 70).
?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", 133).
?DOC(
" Execute the generation pipeline.\n"
" Handles IO (printing, exit codes) while delegating pure logic to\n"
" generate.generate and load_config.\n"
).
-spec run_generate(
binary(),
gleam@option:option(binary()),
gleam@option:option(binary())
) -> nil.
run_generate(Config_path, Mode_opt, Output_opt) ->
gleam_stdlib:println(<<"oaspec v"/utf8, (<<"0.9.0"/utf8>>)/binary>>),
gleam_stdlib:println(<<"Loading config from: "/utf8, Config_path/binary>>),
case load_config(Config_path, Mode_opt, Output_opt) of
{error, Msg} ->
gleam_stdlib:println(<<"Error: "/utf8, Msg/binary>>),
erlang:halt(1);
{ok, Cfg} ->
gleam_stdlib:println(
<<"Parsing OpenAPI spec: "/utf8,
(erlang:element(2, Cfg))/binary>>
),
case oaspec@openapi@parser:parse_file(erlang:element(2, Cfg)) of
{error, E} ->
gleam_stdlib:println(
<<"Error: "/utf8,
(oaspec@openapi@parser:parse_error_to_string(E))/binary>>
),
erlang:halt(1);
{ok, Spec} ->
case oaspec@generate:generate(Spec, Cfg) of
{error, {validation_errors, Errors}} ->
gleam_stdlib:println(
<<"Error: OpenAPI spec contains unsupported features:"/utf8>>
),
gleam@list:each(
Errors,
fun(E@1) ->
gleam_stdlib:println(
<<" - "/utf8,
(oaspec@openapi@diagnostic:to_string(
E@1
))/binary>>
)
end
),
erlang:halt(1);
{ok, Summary} ->
gleam_stdlib:println(
<<"Spec loaded: "/utf8,
(erlang:element(3, Summary))/binary>>
),
case erlang:element(4, Summary) of
[] ->
nil;
Warnings ->
gleam_stdlib:println(<<"Warnings:"/utf8>>),
gleam@list:each(
Warnings,
fun(W) ->
gleam_stdlib:println(
<<" - "/utf8,
(oaspec@openapi@diagnostic:to_string(
W
))/binary>>
)
end
)
end,
gleam_stdlib:println(<<"Generating code..."/utf8>>),
case oaspec@codegen@writer:write_all(
erlang:element(2, Summary),
Cfg,
fun(Path) ->
gleam_stdlib:println(
<<" Generated: "/utf8, Path/binary>>
)
end
) of
{ok, Written} ->
gleam_stdlib:println(<<""/utf8>>),
gleam_stdlib:println(
<<<<"Successfully generated "/utf8,
(erlang:integer_to_binary(
erlang:length(Written)
))/binary>>/binary,
" files"/utf8>>
);
{error, E@2} ->
gleam_stdlib:println(
<<"Error: "/utf8,
(oaspec@codegen@writer:error_to_string(
E@2
))/binary>>
),
erlang:halt(1)
end
end
end
end.
-file("src/oaspec/cli.gleam", 26).
?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 = begin
_pipe@6 = Config_path(Flags),
gleam@result:unwrap(
_pipe@6,
<<"./oaspec.yaml"/utf8>>
)
end,
Mode_opt = case begin
_pipe@7 = Mode(Flags),
gleam@result:unwrap(
_pipe@7,
<<""/utf8>>
)
end of
<<""/utf8>> ->
none;
S ->
{some, S}
end,
Output_opt = case begin
_pipe@8 = Output(Flags),
gleam@result:unwrap(
_pipe@8,
<<""/utf8>>
)
end of
<<""/utf8>> ->
none;
S@1 ->
{some, S@1}
end,
run_generate(
Config_path@1,
Mode_opt,
Output_opt
)
end
)
end
)
end
)
end
)
end
)
end.
-file("src/oaspec/cli.gleam", 16).
?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()).