JezK
Edit File: content_location_parser.rl
# frozen_string_literal: true require 'mail/utilities' require 'mail/parser_tools' %%{ # RFC 2557 Content-Location # https://tools.ietf.org/html/rfc2557#section-4.1 machine content_location; alphtype int; # Quoted String action qstr_s { qstr_s = p } action qstr_e { content_location.location = chars(data, qstr_s, p-1) } # Token String action token_string_s { token_string_s = p } action token_string_e { content_location.location = chars(data, token_string_s, p-1) } # No-op actions action comment_e { } action comment_s { } action phrase_e { } action phrase_s { } action main_type_e { } action main_type_s { } action sub_type_e { } action sub_type_s { } action param_attr_e { } action param_attr_s { } action param_val_e { } action param_val_s { } include rfc2045_content_type "rfc2045_content_type.rl"; location = quoted_string | ((token | 0x3d)+ >token_string_s %token_string_e); main := CFWS? location CFWS?; }%% module Mail::Parsers module ContentLocationParser extend Mail::ParserTools ContentLocationStruct = Struct.new(:location, :error) %%write data noprefix; def self.parse(data) data = data.dup.force_encoding(Encoding::ASCII_8BIT) if data.respond_to?(:force_encoding) content_location = ContentLocationStruct.new(nil) return content_location if Mail::Utilities.blank?(data) # Parser state disp_type_s = param_attr_s = param_attr = qstr_s = qstr = param_val_s = nil # 5.1 Variables Used by Ragel p = 0 eof = pe = data.length stack = [] %%write init; %%write exec; if p != eof || cs < %%{ write first_final; }%% raise Mail::Field::IncompleteParseError.new(Mail::ContentLocationElement, data, p) end content_location end end end