class Analyzer::Erlang::Elli

Overview

Elli has no router at all — an elli_handler callback module routes by pattern-matching the method and the split path in its handle/3 function head:

handle(Req, _Args) ->
    handle(Req#req.method, elli_request:path(Req), Req).

handle('GET', [<<"hello">>, <<"world">>], _Req) ->
    {ok, [], <<"Hello World!">>};
handle('POST', [<<"users">>], Req) ->
    ...

Unlike Cowboy the verb is right there in the clause head, so no cross-module lookup is needed.

Defined in:

analyzer/analyzers/erlang/elli.cr

Constant Summary

BINARY_SEGMENT = /\A<<\s*"([^"]*)"\s*>>\z/
BODY_REGEX = /elli_request:(?:body|post_args)\s*\(/
CLAUSE_REGEX = /^\s*handle\s*\(\s*(?:'([A-Za-z]+)'|<<\s*"([A-Za-z]+)"\s*>>|([A-Z_][A-Za-z0-9_]*))\s*,\s*\[([^\]]*)\]/

The 2-arity handle(Req, _Args) dispatcher carries no path, so the head must bind a list in slot 2 to count as a route.

GET_ARG_REGEX = /elli_request:get_arg(?:_decoded)?\s*\(\s*<<\s*"([^"]+)"\s*>>/
HEADER_REGEX = /elli_request:get_header\s*\(\s*<<\s*"([^"]+)"\s*>>/
HTTP_VERBS = Set {"GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"}
NEXT_CLAUSE = /^\s*handle\s*\(/
POST_ARG_REGEX = /elli_request:post_arg(?:_decoded)?\s*\(\s*<<\s*"([^"]+)"\s*>>/
VARIABLE = /\A[A-Z][A-Za-z0-9_]*\z/

Class Method Summary

Instance Method Summary

Instance methods inherited from class Analyzer

analyze analyze, base_path : String base_path, base_paths : Array(String) base_paths, base_relative_path(path : String) : String base_relative_path, callees_needed? : Bool callees_needed?, content_matches?(content : String, markers : Regex) : Bool content_matches?, http_header_name(name : String) : String | Nil http_header_name, line_number_for_index(content : String, char_index : Int32) : Int32 line_number_for_index, logger : NoirLogger logger, parallel_analyze(files : Array(String), &block : String -> Nil) parallel_analyze, read_file_content(path : String) : String read_file_content, result : Array(Endpoint) result, tech : String tech, unique_params(params : Array(Param)) : Array(Param) unique_params, url : String url, web_root_path(path : String, markers : Array(String)) : String web_root_path

Constructor methods inherited from class Analyzer

new(options : Hash(String, YAML::Any)) new

Macros inherited from class Analyzer

analyzer_for(tech) analyzer_for

Instance methods inherited from module FileHelper

all_files : Array(String) all_files, get_files_by_basename(basename : String) : Array(String) get_files_by_basename, get_files_by_extension(extension : String) : Array(String) get_files_by_extension, get_files_by_extensions(extensions : Array(String)) : Array(String) get_files_by_extensions, get_files_by_prefix(prefix : String) : Array(String) get_files_by_prefix, get_files_by_prefix_and_extension(prefix : String, extension : String) : Array(String) get_files_by_prefix_and_extension, get_files_by_relative_path(relative_path : String, root : String = "") : Array(String) get_files_by_relative_path, get_public_dir_files(base_path : String, folder : String) : Array(String) get_public_dir_files, get_public_files(base_path : String, anchors : Array(String) = ["shard.yml", "Gemfile"]) : Array(String) get_public_files, walked_path(expanded : String) : String walked_path

Class Method Detail

def self.tech_name : String #

[View source]

Instance Method Detail

def analyze #

[View source]
def tech : String #

Instance-side view of the same declaration. The per-file rescues live on this base class, which has no way to name the analyzer that is running inside them, so a skipped file could not be attributed to a tech. Deriving it from analyzer_for keeps the name written exactly once.


[View source]