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
|
#include "string-tick.h"
String* string_init(void) {
String* pString = (String*) malloc(sizeof(String));
pointer_alloc_check(pString);
pString->len = 0;
pString->data = calloc(sizeof(char), 1);
pointer_alloc_check(pString->data);
return pString;
}
void strtolower(char* str) {
for (int i = 0; str[i] != '\0'; i++)
str[i] = (char) tolower(str[i]);
}
void strtoupper(char* str) {
for (int i = 0; str[i] != '\0'; i++)
str[i] = (char) toupper(str[i]);
}
char* strip_char(char* string, char c) {
size_t len = strlen(string);
int i, j;
for (i = 0, j = 0; j < (int) len; i++, j++) {
while (string[j] == c)
j++;
string[i] = string[j];
}
string[i] = '\0';
return string;
}
char* strip_tags(char* string) {
size_t len = strlen(string);
int i, j;
for (i = 0, j = 0; j < (int) len; i++, j++) {
if (string[j] == '<')
while (string[j] != '>')
j++;
string[i] = string[j];
}
string[i] = '\0';
return string;
}
String* file_get_string(char* file_name) {
struct stat file_info;
if (stat(file_name, &file_info)) // If called from portfolio_modify_string, file should exist (possibly size 0)
RETNULL_MSG("File doesn't exist.");
if (file_info.st_size == 0) // Return new String if new file
return string_init();
FILE* fp = fopen(file_name, "r");
if (fp == NULL) // If file exists, but cannot be opened, usually because of permissions
RETNULL_MSG("Error opening file.")
String* pString = string_init();
pString->len = (size_t) file_info.st_size;
pString->data = realloc(pString->data, pString->len + 1); // Alloc with file size
pointer_alloc_check(pString->data);
pString->data[pString->len] = '\0';
if (fread(pString->data, sizeof(char), pString->len, fp) != pString->len) { // read file and return NULL if error
fclose(fp);
string_destroy(&pString);
RETNULL_MSG("Error reading file.")
}
fclose(fp);
return pString;
}
void string_write_file(String* pString, char* file_name) {
FILE* fp = fopen(file_name, "w");
if (fp == NULL)
RET_MSG("Error opening file.")
if (fwrite(pString->data, sizeof(char), pString->len, fp) != pString->len)
puts("Error writing file.");
fclose(fp);
}
void string_destroy(String** phString) {
if (*phString == NULL)
return;
String* pString = *phString;
free(pString->data);
free(*phString);
*phString = NULL;
}
void pointer_alloc_check(void* alloced) {
if (alloced == NULL)
EXIT_MSG("alloc failed!")
}
int is_string_json_array(const String* pString) {
Json* jobj = json_tokener_parse(pString->data);
int formatted = jobj != NULL && json_object_is_type(jobj, json_type_array);
json_object_put(jobj);
return formatted;
}
|