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#ifndef _ATTR_H_INCLUDED_
#define _ATTR_H_INCLUDED_

/*=============================================================================
   GNU UnRTF, a command-line program to convert RTF documents to other formats.
   Copyright (C) 2000,2001,2004 by Zachary Smith

   This program 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 of the License, or
   (at your option) any later version.

   This program 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
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

   The maintainer is reachable by electronic mail at daved@physiol.usyd.edu.au
=============================================================================*/


/*----------------------------------------------------------------------
 * Module name:    attr
 * Author name:    Zachary Smith
 * Create date:    1 Aug 2001
 * Purpose:        Definitions for attribute stack module.
 *----------------------------------------------------------------------
 * Changes:
 * 01 Aug 01, tuorfa@yahoo.com: moved code over from convert.c
 * 06 Aug 01, tuorfa@yahoo.com: added several attributes
 * 18 Sep 01, tuorfa@yahoo.com: updates for AttrStack paradigm
 * 29 Mar 05, daved@physiol.usyd.edu.au: changes requested by ZT Smith
 * 16 Dec 07, daved@physiol.usyd.edu.au: updated to GPL v3
 * 09 Nov 08, arkadiusz.firus@gmail.com: adopt safe_printf & collection funcs
 * 07 Oct 11, jf@dockes.org: removed unused protocols, added _ATTR_H_INCLUDED_
 *--------------------------------------------------------------------*/

enum
{
	ATTR_NONE = 0,
	ATTR_BOLD, ATTR_ITALIC,

	ATTR_UNDERLINE, ATTR_DOUBLE_UL, ATTR_WORD_UL,

	ATTR_THICK_UL, ATTR_WAVE_UL,

	ATTR_DOT_UL, ATTR_DASH_UL, ATTR_DOT_DASH_UL, ATTR_2DOT_DASH_UL,

	ATTR_FONTSIZE, ATTR_STD_FONTSIZE,
	ATTR_FONTFACE,
	ATTR_FOREGROUND, ATTR_BACKGROUND,
	ATTR_CAPS,
	ATTR_SMALLCAPS,

	ATTR_SHADOW,
	ATTR_OUTLINE,
	ATTR_EMBOSS,
	ATTR_ENGRAVE,

	ATTR_SUPER, ATTR_SUB,
	ATTR_STRIKE,
	ATTR_DBL_STRIKE,

	ATTR_EXPAND,
	ATTR_ENCODING,
	/* ATTR_CONDENSE */
};

typedef struct _c
{
	int nr;
	const char *text;
	struct _c *next;
} Collection;

Collection *add_to_collection(Collection *col, int nr, const char *text);
const char *get_from_collection(Collection *c, int nr);
void free_collection(Collection *c);

extern void attr_push(int attr, char *param);

extern void attrstack_push();
extern void attrstack_drop();
extern void attrstack_express_all();

extern int attr_find_pop(int findattr);
extern int attr_pop(int attr);

extern int attr_read();

extern void attr_drop_all();

extern void attr_pop_all();

extern void attr_pop_dump();

char *attr_get_param(int attr);

int safe_printf(int nr, char *string, ...);
char *assemble_string(char *string, int nr);
#define TOO_MANY_ARGS "Tag name \"%s\" do not take so many arguments"


#endif /* _ATTR_H_INCLUDED_ */