1/*
2
3Copyright 1988, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25*/
26
27#ifdef HAVE_CONFIG_H
28#include <config.h>
29#endif
30#include <X11/Intrinsic.h>
31#include "Converters.h"
32#include "CharSet.h"
33
34/*
35 * Prototypes
36 */
37static void InitializeQuarks(void);
38
39/*
40 * Initialization
41 */
42static XrmQuark QnotUseful, QwhenMapped, Qalways, Qdefault;
43static Boolean haveQuarks;
44
45/*
46 * Implementation
47 */
48static void
49InitializeQuarks(void)
50{
51  if (!haveQuarks)
52    {
53      char name[11];
54
55      XmuNCopyISOLatin1Lowered(name, XtEnotUseful, sizeof(name));
56      QnotUseful = XrmStringToQuark(name);
57      XmuNCopyISOLatin1Lowered(name, XtEwhenMapped, sizeof(name));
58      QwhenMapped = XrmStringToQuark(name);
59      XmuNCopyISOLatin1Lowered(name, XtEalways, sizeof(name));
60      Qalways = XrmStringToQuark(name);
61      XmuNCopyISOLatin1Lowered(name, XtEdefault, sizeof(name));
62      Qdefault = XrmStringToQuark(name);
63      haveQuarks = True;
64    }
65}
66
67/*ARGSUSED*/
68void
69XmuCvtStringToBackingStore(XrmValue *args, Cardinal *num_args,
70			   XrmValuePtr fromVal, XrmValuePtr toVal)
71{
72    XrmQuark	q;
73  char name[11];
74    static int	backingStoreType;
75
76    if (*num_args != 0)
77        XtWarning("String to BackingStore conversion needs no extra arguments");
78
79  InitializeQuarks();
80  XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
81
82  q = XrmStringToQuark (name);
83  if (q == QnotUseful)
84	backingStoreType = NotUseful;
85  else if (q == QwhenMapped)
86    	backingStoreType = WhenMapped;
87  else if (q == Qalways)
88	backingStoreType = Always;
89  else if (q == Qdefault)
90    	backingStoreType = Always + WhenMapped + NotUseful;
91  else
92    {
93      XtStringConversionWarning((char *)fromVal->addr, XtRBackingStore);
94      return;
95    }
96  toVal->size = sizeof(int);
97  toVal->addr = (XPointer)&backingStoreType;
98}
99
100/*ARGSUSED*/
101Boolean
102XmuCvtBackingStoreToString(Display *dpy, XrmValuePtr args, Cardinal *num_args,
103			   XrmValuePtr fromVal, XrmValuePtr toVal,
104			   XtPointer *data)
105{
106  static String buffer;
107  Cardinal size;
108
109  switch (*(int *)fromVal->addr)
110    {
111    case NotUseful:
112      buffer = XtEnotUseful;
113      break;
114    case WhenMapped:
115      buffer = XtEwhenMapped;
116      break;
117    case Always:
118      buffer = XtEalways;
119      break;
120    case (Always + WhenMapped + NotUseful):
121      buffer = XtEdefault;
122      break;
123    default:
124      XtWarning("Cannot convert BackingStore to String");
125      toVal->addr = NULL;
126      toVal->size = 0;
127      return (False);
128    }
129
130  size = strlen(buffer) + 1;
131  if (toVal->addr != NULL)
132    {
133      if (toVal->size < size)
134	{
135	  toVal->size = size;
136	  return (False);
137	}
138      strcpy((char *)toVal->addr, buffer);
139    }
140  else
141    toVal->addr = (XPointer)buffer;
142  toVal->size = sizeof(String);
143
144  return (True);
145}
146