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Generate Gleam code from OpenAPI 3.x specifications

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oaspec src oaspec@openapi@location_index.erl
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src/oaspec@openapi@location_index.erl 

-module(oaspec@openapi@location_index).

-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).

-define(FILEPATH, "src/oaspec/openapi/location_index.gleam").

-export([empty/0, lookup/2, lookup_field/3, build/1]).

-export_type([location_index/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.



-opaque location_index() :: {location_index,

        gleam@dict:dict(binary(), oaspec@openapi@diagnostic:source_loc())}.



-file("src/oaspec/openapi/location_index.gleam", 29).

?DOC(" An empty index (no location information available).\n").

-spec empty() -> location_index().

empty() ->

    {location_index, maps:new()}.



-file("src/oaspec/openapi/location_index.gleam", 35).

?DOC(

    " Look up the source location for a given path.\n"

    " Returns `NoSourceLoc` if the path is not in the index.\n"

).

-spec lookup(location_index(), binary()) -> oaspec@openapi@diagnostic:source_loc().

lookup(Index, Path) ->

    case gleam_stdlib:map_get(erlang:element(2, Index), Path) of

        {ok, Loc} ->

            Loc;



        {error, _} ->

            no_source_loc

    end.



-file("src/oaspec/openapi/location_index.gleam", 44).

?DOC(

    " Look up the source location for a field within a parent path.\n"

    " Tries `parent.field` first, then falls back to `parent`, then `NoSourceLoc`.\n"

).

-spec lookup_field(location_index(), binary(), binary()) -> oaspec@openapi@diagnostic:source_loc().

lookup_field(Index, Parent, Field) ->

    Field_path = case Parent of

        <<""/utf8>> ->

            Field;



        _ ->

            <<<<Parent/binary, "."/utf8>>/binary, Field/binary>>

    end,

    case gleam_stdlib:map_get(erlang:element(2, Index), Field_path) of

        {ok, Loc} ->

            Loc;



        {error, _} ->

            case gleam_stdlib:map_get(erlang:element(2, Index), Parent) of

                {ok, Loc@1} ->

                    Loc@1;



                {error, _} ->

                    no_source_loc

            end

    end.



-file("src/oaspec/openapi/location_index.gleam", 14).

?DOC(

    " Build a location index from raw YAML/JSON content.\n"

    " On failure (e.g. invalid YAML), returns an empty index.\n"

).

-spec build(binary()) -> location_index().

build(Content) ->

    case yaml_loc_ffi:build_location_index(Content) of

        {ok, Pairs} ->

            Entries = gleam@list:fold(

                Pairs,

                maps:new(),

                fun(Acc, Pair) ->

                    {Path, {Line, Col}} = Pair,

                    gleam@dict:insert(Acc, Path, {source_loc, Line, Col})

                end

            ),

            {location_index, Entries};



        {error, _} ->

            empty()

    end.