summaryrefslogtreecommitdiffstats
path: root/src/rccstring.c
blob: f1f70162761c363fc4194f0617c864cb547f08a4 (plain)
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
#include <stdio.h>
#include <string.h>

#include "internal.h"
#include "rccstring.h"

rcc_string rccCreateString(rcc_language_id language_id, const char *buf, size_t len, size_t *rlen) {
    char *res;
    rcc_string_header *header;
    
    len = STRNLEN(buf, len);
        
    res = (char*)malloc(len+sizeof(rcc_string_header)+1);
    if (!res) return NULL;

    strncpy(res + sizeof(rcc_string_header), buf, len);
    res[sizeof(rcc_string_header) + len] = 0;

    memset(res, 0xFF, sizeof(rcc_string_header));
    header = (rcc_string_header*)res;
    header->magic = RCC_STRING_MAGIC;
    header->language_id = language_id;

    if (rlen) *rlen = len + sizeof(rcc_string_header);
    return (rcc_string)res;
}

int rccStringSetLang(rcc_string string, const char *sn) {
    if ((!string)||(!sn)||(strlen(sn)!=2)) return -1;
    memcpy(&((rcc_string_header*)string)->language,sn,2);
    return 0;
}

int rccStringFixID(rcc_string string, rcc_context ctx) {
    char lang[3];
    const char *curlang;
    rcc_language_config config;
    rcc_language_id language_id;
    rcc_string_header *header;

    if ((!string)||(!ctx)||(!rccStringCheck(string))) return -1;
    header = (rcc_string_header*)string;


    memcpy(lang, header->language, 2); lang[3] = 0;
    curlang = rccGetLanguageName(ctx, header->language_id);
    if ((curlang)&&(!strcasecmp(lang, curlang))) return 0;
    
    language_id = rccGetLanguageByName(ctx, lang);
    if ((language_id == (rcc_language_id)-1)||(language_id == 0)) return -1;
    config = rccGetLanguageConfig(ctx, language_id);
    if (!config) return -1;
    
    header->language_id = language_id;
    return 0;
}

void rccStringFree(rcc_string str) {
    if (str) free(str);
}

size_t rccStringCheck(const char *str) {
    size_t len;

    if (!str) return 0;
    
    len = strlen(str);
    if (len>sizeof(rcc_string_header)) {
	len-=sizeof(rcc_string_header);
        if (((rcc_string_header*)str)->magic == RCC_STRING_MAGIC) return len;
    }

    return 0;
}

size_t rccStringSizedCheck(const char *str, size_t len) {
    size_t newlen;

    if (!str) return 0;
    
    newlen = STRNLEN(str, len);
    if (newlen>sizeof(rcc_string_header)) {
	if ((len==newlen)&&(str[newlen-1])) return 0;
	newlen-=sizeof(rcc_string_header);
    } else return 0;

    if (((rcc_string_header*)str)->magic == RCC_STRING_MAGIC) return newlen;
    return 0;
}


rcc_language_id rccStringGetLanguage(const rcc_string str) {
    if (!str) return (rcc_language_id)-1;
    return ((rcc_string_header*)str)->language_id;
}

const char *rccStringGetString(const rcc_string str) {
    return (const char *)str + sizeof(rcc_string_header);
}

char *rccStringExtractString(const rcc_string str) {
    size_t len;
    char *res;
    
    len = rccStringCheck(str);
    if (!len) return NULL;
    
    res = (char*)malloc(len+1);
    if (!res) return NULL;

    strncpy(res, rccStringGetString(str), len);
    res[len] = 0;
    
    return res;    
}


const char *rccGetString(const char *str) {
    if (rccStringCheck(str)) return rccStringGetString((const rcc_string)str);
    return str;
}

const char *rccSizedGetString(const char *str, size_t len, size_t *rlen) {
    size_t newlen;
    
    newlen = rccStringSizedCheck(str, len);
    if (newlen) {
	if (rlen) *rlen = newlen;
	return rccStringGetString((const rcc_string)str);
    }
    
    return (const char *)str;
}


int rccStringCmp(const char *str1, const char *str2) {
    return strcmp(rccGetString(str1), rccGetString(str2));
}

int rccStringNCmp(const char *str1, const char *str2, size_t n) {
    return strncmp(rccGetString(str1), rccGetString(str2), n);
}

int rccStringCaseCmp(const char *str1, const char *str2) {
    return strcasecmp(rccGetString(str1), rccGetString(str2));
}

int rccStringNCaseCmp(const char *str1, const char *str2, size_t n) {
    return strncasecmp(rccGetString(str1), rccGetString(str2), n);
}