1 /*
2  * $LynxId: HTAssoc.c,v 1.10 2010/04/29 09:34:03 tom Exp $
3  *
4  * MODULE							HTAssoc.c
5  *	    ASSOCIATION LIST FOR STORING NAME-VALUE PAIRS.
6  *	    NAMES NOT CASE SENSITIVE, AND ONLY COMMON LENGTH
7  *	    IS CHECKED (allows abbreviations; well, length is
8  *	    taken from lookup-up name, so if table contains
9  *	    a shorter abbrev it is not found).
10  * AUTHORS:
11  *	AL	Ari Luotonen	luotonen@dxcern.cern.ch
12  *
13  * HISTORY:
14  *
15  *
16  * BUGS:
17  *
18  *
19  */
20 
21 #include <HTUtils.h>
22 
23 #include <HTAssoc.h>
24 
25 #include <LYLeaks.h>
26 
HTAssocList_new(void)27 HTAssocList *HTAssocList_new(void)
28 {
29     return HTList_new();
30 }
31 
HTAssocList_delete(HTAssocList * alist)32 void HTAssocList_delete(HTAssocList *alist)
33 {
34     if (alist) {
35 	HTAssocList *cur = alist;
36 	HTAssoc *assoc;
37 
38 	while (NULL != (assoc = (HTAssoc *) HTList_nextObject(cur))) {
39 	    FREE(assoc->name);
40 	    FREE(assoc->value);
41 	    FREE(assoc);
42 	}
43 	HTList_delete(alist);
44 	alist = NULL;
45     }
46 }
47 
HTAssocList_add(HTAssocList * alist,const char * name,const char * value)48 void HTAssocList_add(HTAssocList *alist,
49 		     const char *name,
50 		     const char *value)
51 {
52     HTAssoc *assoc;
53 
54     if (alist) {
55 	if (!(assoc = (HTAssoc *) malloc(sizeof(HTAssoc))))
56 	      outofmem(__FILE__, "HTAssoc_add");
57 
58 	assert(assoc != NULL);
59 
60 	assoc->name = NULL;
61 	assoc->value = NULL;
62 
63 	if (name)
64 	    StrAllocCopy(assoc->name, name);
65 	if (value)
66 	    StrAllocCopy(assoc->value, value);
67 	HTList_addObject(alist, (void *) assoc);
68     } else {
69 	CTRACE((tfp, "HTAssoc_add: ERROR: assoc list NULL!!\n"));
70     }
71 }
72 
HTAssocList_lookup(HTAssocList * alist,const char * name)73 char *HTAssocList_lookup(HTAssocList *alist,
74 			 const char *name)
75 {
76     HTAssocList *cur = alist;
77     HTAssoc *assoc;
78 
79     while (NULL != (assoc = (HTAssoc *) HTList_nextObject(cur))) {
80 	if (!strncasecomp(assoc->name, name, (int) strlen(name)))
81 	    return assoc->value;
82     }
83     return NULL;
84 }
85