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24616585ec
Add a _cairo_tag_error(fmt, ...) function that is used liked _cairo_error() but allows an error message to be specified. When CAIRO_DEBUG_TAG is defined the error is printed.
110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2016 Adrian Johnson
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Adrian Johnson.
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*
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* Contributor(s):
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* Adrian Johnson <ajohnson@redneon.com>
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*/
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#ifndef CAIRO_TAG_STACK_PRIVATE_H
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#define CAIRO_TAG_STACK_PRIVATE_H
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#include "cairo-error-private.h"
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#include "cairo-list-inline.h"
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/* The type of a single tag */
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typedef enum {
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TAG_TYPE_INVALID = 0,
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TAG_TYPE_STRUCTURE = 1,
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TAG_TYPE_LINK = 2,
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TAG_TYPE_DEST = 4,
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} cairo_tag_type_t;
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/* The type of the structure tree. */
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typedef enum _cairo_tag_stack_structure_type {
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TAG_TREE_TYPE_TAGGED, /* compliant with Tagged PDF */
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TAG_TREE_TYPE_STRUCTURE, /* valid structure but not 'Tagged PDF' compliant */
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TAG_TREE_TYPE_LINK_ONLY, /* contains Link tags only */
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TAG_TREE_TYPE_NO_TAGS, /* no tags used */
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TAG_TREE_TYPE_INVALID, /* invalid tag structure */
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} cairo_tag_stack_structure_type_t;
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typedef struct _cairo_tag_stack_elem {
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char *name;
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char *attributes;
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void *data;
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cairo_list_t link;
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} cairo_tag_stack_elem_t;
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typedef struct _cairo_tag_stack {
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cairo_list_t list;
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cairo_tag_stack_structure_type_t type;
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int size;
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} cairo_tag_stack_t;
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cairo_private void
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_cairo_tag_stack_init (cairo_tag_stack_t *stack);
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cairo_private void
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_cairo_tag_stack_fini (cairo_tag_stack_t *stack);
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cairo_private cairo_tag_stack_structure_type_t
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_cairo_tag_stack_get_structure_type (cairo_tag_stack_t *stack);
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cairo_private cairo_int_status_t
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_cairo_tag_stack_push (cairo_tag_stack_t *stack,
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const char *name,
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const char *attributes);
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cairo_private void
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_cairo_tag_stack_set_top_data (cairo_tag_stack_t *stack,
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void *data);
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cairo_private cairo_int_status_t
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_cairo_tag_stack_pop (cairo_tag_stack_t *stack,
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const char *name,
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cairo_tag_stack_elem_t **elem);
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cairo_private cairo_tag_stack_elem_t *
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_cairo_tag_stack_top_elem (cairo_tag_stack_t *stack);
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cairo_private void
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_cairo_tag_stack_free_elem (cairo_tag_stack_elem_t *elem);
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cairo_private cairo_tag_type_t
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_cairo_tag_get_type (const char *name);
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cairo_private cairo_status_t
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_cairo_tag_error (const char *fmt, ...) CAIRO_PRINTF_FORMAT (1, 2);
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#endif /* CAIRO_TAG_STACK_PRIVATE_H */
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