yamerl/include/yamerl_types.hrl

75 lines
3.2 KiB
Erlang

%-
% Copyright (c) 2012-2014 Yakaz
% Copyright (c) 2016-2017 Jean-Sébastien Pédron <jean-sebastien.pedron@dumbbell.fr>
% All rights reserved.
%
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions
% are met:
% 1. Redistributions of source code must retain the above copyright
% notice, this list of conditions and the following disclaimer.
% 2. Redistributions in binary form must reproduce the above copyright
% notice, this list of conditions and the following disclaimer in the
% documentation and/or other materials provided with the distribution.
%
% THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
% ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
% ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
% FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
% DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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% HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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% SUCH DAMAGE.
-ifndef(yamerl_types_hrl).
-define(yamerl_types_hrl, true).
%% -------------------------------------------------------------------
%% Data types specifications.
%% -------------------------------------------------------------------
%% YAML version which a document conforms to.
%% The tuple has the form {Major, Minor}
-type document_version() :: {non_neg_integer(), non_neg_integer()}.
%% Stream encoding.
%% Only Unicode encodings are accepted.
-type encoding() :: utf8
| {utf16, little | big}
| {utf32, little | big}.
-type unicode_char() :: integer().
-type unicode_string() :: [unicode_char()].
%% unicode:external_unicode_binary() (UTF16/32) not exported.
-type unicode_binary() :: unicode:unicode_binary().
-type unicode_data() :: unicode_string()
| unicode_binary().
%% Tag declaration and usage.
%% A tag handle is used in TAG directives and in front of a node. A tag
%% prefix is used in a TAG directive. The final tag is used on nodes
%% after tag resolution. The tags table stores all tags declaration.
-type tag_handle() :: nonempty_string().
-type tag_prefix() :: nonempty_string().
-type tag_uri() :: nonempty_string()
| {non_specific, [33 | 63]}. %% "!" | "?"
-type tags_table() :: dict:dict(term(), term()).
%% Node styles, substyles and kinds.
-type style() :: block
| flow.
-type scalar_substyle() :: literal
| folded
| double_quoted
| single_quoted
| plain.
-type collection_kind() :: sequence
| mapping.
%% Position of a token (line and column).
-type position() :: pos_integer().
-endif.