File: attr.c

package info (click to toggle)
cupsys 1.2.7-4%2Betch9
  • links: PTS
  • area: main
  • in suites: etch
  • size: 20,436 kB
  • ctags: 10,404
  • sloc: ansic: 97,130; cpp: 49,167; java: 6,199; sh: 4,723; makefile: 1,918; lisp: 232; perl: 145; python: 119; php: 28
file content (167 lines) | stat: -rw-r--r-- 3,889 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
 * "$Id: attr.c 5826 2006-08-15 19:04:11Z mike $"
 *
 *   PPD model-specific attribute routines for the Common UNIX Printing System
 *   (CUPS).
 *
 *   Copyright 1997-2006 by Easy Software Products.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products and are protected by Federal
 *   copyright law.  Distribution and use rights are outlined in the file
 *   "LICENSE.txt" which should have been included with this file.  If this
 *   file is missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636 USA
 *
 *       Voice: (301) 373-9600
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 * Contents:
 *
 *   ppdFindAttr()     - Find the first matching attribute...
 *   ppdFindNextAttr() - Find the next matching attribute...
 */

/*
 * Include necessary headers...
 */

#include "ppd.h"
#include "debug.h"
#include "string.h"
#include <stdlib.h>


/*
 * 'ppdFindAttr()' - Find the first matching attribute...
 *
 * @since CUPS 1.1.19@
 */

ppd_attr_t *				/* O - Attribute or NULL if not found */
ppdFindAttr(ppd_file_t *ppd,		/* I - PPD file data */
            const char *name,		/* I - Attribute name */
            const char *spec)		/* I - Specifier string or NULL */
{
  ppd_attr_t	key,			/* Search key */
		*attr;			/* Current attribute */
  int		diff;			/* Current difference */


  DEBUG_printf(("ppdFindAttr(ppd=%p, name=\"%s\", spec=\"%s\")\n", ppd,
                name ? name : "(null)", spec ? spec : "(null)"));

 /*
  * Range check input...
  */

  if (!ppd || !name || ppd->num_attrs == 0)
    return (NULL);

 /*
  * Search for a matching attribute...
  */

  memset(&key, 0, sizeof(key));
  strlcpy(key.name, name, sizeof(key.name));
  if (spec)
    strlcpy(key.spec, spec, sizeof(key.spec));

 /*
  * Return the first matching attribute, if any...
  */

  if ((attr = (ppd_attr_t *)cupsArrayFind(ppd->sorted_attrs, &key)) != NULL)
    return (attr);
  else if (spec)
    return (NULL);

 /*
  * No match found, loop through the sorted attributes to see if we can
  * find a "wildcard" match for the attribute...
  */

  for (attr = (ppd_attr_t *)cupsArrayFirst(ppd->sorted_attrs);
       attr;
       attr = (ppd_attr_t *)cupsArrayNext(ppd->sorted_attrs))
  {
    if ((diff = strcasecmp(attr->name, name)) == 0)
      break;

    if (diff > 0)
    {
     /*
      * All remaining attributes are > than the one we are trying to find...
      */

      cupsArrayIndex(ppd->sorted_attrs, cupsArrayCount(ppd->sorted_attrs));

      return (NULL);
    }
  }

  return (attr);
}


/*
 * 'ppdFindNextAttr()' - Find the next matching attribute...
 *
 * @since CUPS 1.1.19@
 */

ppd_attr_t *				/* O - Attribute or NULL if not found */
ppdFindNextAttr(ppd_file_t *ppd,	/* I - PPD file data */
                const char *name,	/* I - Attribute name */
		const char *spec)	/* I - Specifier string or NULL */
{
  ppd_attr_t	*attr;			/* Current attribute */


 /*
  * Range check input...
  */

  if (!ppd || !name || ppd->num_attrs == 0 ||
      !cupsArrayCurrent(ppd->sorted_attrs))
    return (NULL);

 /*
  * See if there are more attributes to return...
  */

  if ((attr = (ppd_attr_t *)cupsArrayNext(ppd->sorted_attrs)) == NULL)
    return (NULL);

 /*
  * Check the next attribute to see if it is a match...
  */

  if (strcasecmp(attr->name, name) || (spec && strcasecmp(attr->spec, spec)))
  {
   /*
    * Nope, reset the current pointer to the end of the array...
    */

    cupsArrayIndex(ppd->sorted_attrs, cupsArrayCount(ppd->sorted_attrs));

    return (NULL);
  }
  
 /*
  * Return the next attribute's value...
  */

  return (attr);
}


/*
 * End of "$Id: attr.c 5826 2006-08-15 19:04:11Z mike $".
 */