/usr/share/ada/adainclude/opentoken/html_lexer-basic.ads is in libopentoken5-dev 6.0b-4.
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The actual contents of the file can be viewed below.
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--
-- Copyright (C) 1999, 2013, 2015 Christoph Karl Walter Grein
--
-- This file is part of the OpenToken package.
--
-- The OpenToken package is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as published
-- by the Free Software Foundation; either version 3, or (at your option)
-- any later version. The OpenToken package is distributed in the hope that
-- it will be useful, but WITHOUT ANY WARRANTY; without even the implied
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details. You should have received
-- a copy of the GNU General Public License distributed with the OpenToken
-- package; see file GPL.txt. If not, write to the Free Software Foundation,
-- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
--
-- As a special exception, if other files instantiate generics from this
-- unit, or you link this unit with other files to produce an executable,
-- this unit does not by itself cause the resulting executable to be
-- covered by the GNU General Public License. This exception does not
-- however invalidate any other reasons why the executable file might be
-- covered by the GNU Public License.
-------------------------------------------------------------------------------
with Ada.Strings.Maps.Constants;
with OpenToken.Token.Enumerated.Analyzer;
with OpenToken.Recognizer.Bracketed_Comment;
with OpenToken.Recognizer.Character_Set;
with OpenToken.Recognizer.End_Of_File;
with OpenToken.Recognizer.HTML_Entity;
with OpenToken.Recognizer.Nothing;
private package HTML_Lexer.Basic is
type Basic_Token is (Whitespace,
-- Comments <!-- anything -->
Comment,
-- Document Type Declaration <!DOCTYPE ... >
Doctype,
-- HTML tags like <A> or </A>
HTML_Tag,
-- Running text and entities like &
Text, Entity,
-- Syntax error
Bad_Token,
--
End_Of_File);
-- Note that sequence of tokens is relevant since among competing
-- tokens the first one wins.
package Master_Basic_Token is new OpenToken.Token.Enumerated
(Basic_Token, Basic_Token'First, Basic_Token'Last, Basic_Token'Image);
package Tokenizer is new Master_Basic_Token.Analyzer;
use type Ada.Strings.Maps.Character_Set;
Syntax: constant Tokenizer.Syntax :=
(Doctype => Tokenizer.Get
(OpenToken.Recognizer.Bracketed_Comment.Get
(Comment_Opener => "<!",
Comment_Closer => ">",
Reportable => True)),
HTML_Tag => Tokenizer.Get
(OpenToken.Recognizer.Bracketed_Comment.Get
(Comment_Opener => "<",
Comment_Closer => ">",
Reportable => True)),
Text => Tokenizer.Get
(OpenToken.Recognizer.Character_Set.Get
(Ada.Strings.Maps.Constants.Graphic_Set - Ada.Strings.Maps.To_Set ("<>""&"),
Reportable => True)),
Entity => Tokenizer.Get(OpenToken.Recognizer.HTML_Entity.Get),
Comment => Tokenizer.Get
(OpenToken.Recognizer.Bracketed_Comment.Get
(Comment_Opener => "<!--",
Comment_Closer => "-->",
Reportable => True)),
Whitespace => Tokenizer.Get
(OpenToken.Recognizer.Character_Set.Get
(OpenToken.Recognizer.Character_Set.Standard_Whitespace)),
Bad_Token => Tokenizer.Get(OpenToken.Recognizer.Nothing.Get),
End_Of_File => Tokenizer.Get(OpenToken.Recognizer.End_Of_File.Get));
Analyzer: Tokenizer.Instance := Tokenizer.Initialize (Syntax).all;
end HTML_Lexer.Basic;
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