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comparison th_string.h @ 0:728243125263

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Import.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 20 Mar 2008 00:15:03 +0000
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children 707e35b03f89
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-1:000000000000 0:728243125263
1 /*
2 * Miscellaneous string-handling related utility-functions
3 * Programmed and designed by Matti 'ccr' Hamalainen
4 * (C) Copyright 2002-2008 Tecnic Software productions (TNSP)
5 *
6 * Please read file 'COPYING' for information on license and distribution.
7 */
8 #ifndef _TH_STRING_H
9 #define _TH_STRING_H
10
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14
15 #include "th_util.h"
16 #include <stdlib.h>
17 #include <ctype.h>
18
19 /*
20 * Macros
21 */
22 /* TODO - Remove usage of libc functions for increased portability.
23 * Possible issues are locales, impossible to implement them...
24 */
25 #define th_isalnum(c) isalnum((int)(unsigned char) c)
26 #define th_isalpha(c) isalpha((int)(unsigned char) c)
27 #define th_isascii(c) isascii((int)(unsigned char) c)
28 #define th_isblank(c) isblank((int)(unsigned char) c)
29 #define th_iscntrl(c) iscntrl((int)(unsigned char) c)
30 #define th_isdigit(c) isdigit((int)(unsigned char) c)
31 #define th_isgraph(c) isgraph((int)(unsigned char) c)
32 #define th_islower(c) islower((int)(unsigned char) c)
33 #define th_isprint(c) isprint((int)(unsigned char) c)
34 #define th_ispunct(c) ispunct((int)(unsigned char) c)
35 #define th_isspace(c) isspace((int)(unsigned char) c)
36 #define th_isupper(c) isupper((int)(unsigned char) c)
37 #define th_isxdigit(c) isxdigit((int)(unsigned char) c)
38 #define th_iscrlf(c) ((c=='\r')||(c=='\n'))
39
40 #define th_isspecial(q) (((q >= 0x5b) && (q <= 0x60)) || ((q >= 0x7b) && (q <= 0x7d)))
41
42 #define th_tolower(c) tolower((int)(unsigned char) c)
43 #define th_toupper(c) toupper((int)(unsigned char) c)
44
45 /*
46 * Typedefs and structures
47 */
48 typedef struct tstrnode {
49 char_t *pcStr; /* String */
50 ulint_t nUsed; /* Times this string has been referenced */
51 void *pData; /* Extra data */
52
53 struct tstrnode *pPrev, *pNext;
54 } t_str_node;
55
56
57 #define SET_HASH_MAXINDEX (256)
58
59 typedef t_str_node *t_str_hash[SET_HASH_MAXINDEX];
60
61
62 typedef struct tstrindex {
63 t_str_node **ppIndex;
64 ulint_t n;
65 } t_str_index;
66
67
68 /*
69 * Normal NUL-terminated string functions
70 */
71 char_t *th_stralloc(size_t);
72 char_t *th_strrealloc(char_t *, size_t);
73 size_t th_strlen(char_t *);
74 char_t *th_strdup(char_t *);
75 char_t *th_strcat(char_t *, char_t *);
76 char_t *th_strcpy(char_t *, char_t *);
77 char_t *th_strncpy(char_t *, char_t *, size_t);
78 int th_strcmp(char_t *, char_t *);
79 int th_strncmp(char_t *, char_t *, size_t);
80 int th_strcasecmp(char_t *, char_t *);
81 int th_strncasecmp(char_t *, char_t *, size_t);
82 void th_strip_ctrlchars(char_t *);
83 char_t *th_strstr(char_t *, char_t *);
84
85 int th_pstrcpy(char_t **, char_t *);
86 int th_pstrcat(char_t **, char_t *);
87
88 char_t *th_findnext(char_t *, size_t *);
89 char_t *th_findsep(char_t *, size_t *, char_t);
90 char_t *th_findseporspace(char_t *, size_t *, char_t);
91
92 BOOL th_strmatch(char_t *, char_t *);
93 BOOL th_strcasematch(char_t *, char_t *);
94
95
96 /*
97 * Handling of string-lists and hashes
98 */
99 t_str_node * th_strnode_new(char_t *, ulint_t, void *);
100 void th_strnode_free(t_str_node *);
101 void th_strlist_free(t_str_node *);
102 void th_strlist_insert(t_str_node **, t_str_node *);
103 int th_strhash_insert(t_str_node **, t_str_node *, BOOL);
104 void th_strhash_free(t_str_node **);
105 void th_strhash_change_pdata(t_str_hash, void *, void *);
106 t_str_node * th_strhash_search(t_str_node **, char_t *, BOOL);
107 t_str_index * th_strhash_makeindex(t_str_node **);
108 t_str_index * th_strlist_makeindex(t_str_node *);
109 void th_strindex_free(t_str_index *);
110 void th_strindex_sort_nused(t_str_index *);
111 void th_strindex_sort_alpha(t_str_index *);
112
113 #ifdef __cplusplus
114 }
115 #endif
116 #endif /* _TH_STRING_H */