1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** GUIX Component                                                        */
16 /**                                                                       */
17 /**   Rich Text View Management (Rich Text View)                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_rich_text_view.h"
29 
30 /**************************************************************************/
31 /*                                                                        */
32 /*  COMPONENT DEFINITION                                   RELEASE        */
33 /*                                                                        */
34 /*    _gx_rich_text_view_context_save                     PORTABLE C      */
35 /*                                                           6.1          */
36 /*  AUTHOR                                                                */
37 /*                                                                        */
38 /*    Kenneth Maxwell, Microsoft Corporation                              */
39 /*                                                                        */
40 /*  DESCRIPTION                                                           */
41 /*                                                                        */
42 /*    This function saves current status of rich text context stack.      */
43 /*                                                                        */
44 /*  INPUT                                                                 */
45 /*                                                                        */
46 /*    stack_type                            Stack type                    */
47 /*                                                                        */
48 /*  OUTPUT                                                                */
49 /*                                                                        */
50 /*    status                                Completion status             */
51 /*                                                                        */
52 /*  CALLS                                                                 */
53 /*                                                                        */
54 /*    None                                                                */
55 /*                                                                        */
56 /*  CALLED BY                                                             */
57 /*                                                                        */
58 /*    GUIX Internal Code                                                  */
59 /*                                                                        */
60 /*  RELEASE HISTORY                                                       */
61 /*                                                                        */
62 /*    DATE              NAME                      DESCRIPTION             */
63 /*                                                                        */
64 /*  09-30-2020     Kenneth Maxwell          Initial Version 6.1           */
65 /*                                                                        */
66 /**************************************************************************/
_gx_rich_text_view_context_save()67 UINT  _gx_rich_text_view_context_save()
68 {
69 GX_UBYTE top = _gx_system_rich_text_context_stack.gx_rich_text_context_stack_top;
70 
71     if (top)
72     {
73         /* Save system stack to temp stack. */
74         memcpy(&_gx_system_rich_text_context_stack_save.gx_rich_text_context_stack, /* Use case of memcpy is verified. */
75                &_gx_system_rich_text_context_stack.gx_rich_text_context_stack, sizeof(GX_RICH_TEXT_CONTEXT) * top);
76     }
77 
78     _gx_system_rich_text_context_stack_save.gx_rich_text_context_stack_top = top;
79 
80     return GX_SUCCESS;
81 }
82 
83