Daodan/src/Inifile_Reader.c

#include <stdio.h>
#include <stdlib.h>
#include "stdint.h"
#include <string.h>
#include <ctype.h>

#include "Inifile_Reader.h"

static char* strtrim(char* string)
{
        while (isspace(*string))
                string++;
        for (int i = strlen(string) - 1; i >= 0; i--)
        {
                if (isspace(string[i]))
                {
                        string[i] = 0;
                }
                else
                {
                        break;
                }
        }
        return string;
}

static char* newlines(char* string)
{
        for (char* i = string + strlen(string) - 1; i >= string; i--)
        {
                if ((*i == '\\') && (*(i+1) == 'n'))
                {
                        *i = '\n';
                        memmove(i+1, i+2, strlen(i+1));
                }
        }
        return string;
}

bool Inifile_Read(const char* filename, inifile_callback callback)
{
        FILE* fp = fopen(filename, "r");

        char inisection[30] = "";
        char option[30] = "";
        char value[200] = "";

        char readbuf[4096] = "";
        char* readptr;

        bool success = true;
        
        if (!fp)
                return false;
        
        while ((readptr = fgets(readbuf, sizeof(readbuf), fp))) // Loop through each line.
        {
                while (isspace(readptr[0])) // Skip whitespace.
                        readptr++;

                if (readptr[0] == '\0' || readptr[0] == '#' || readptr[0] == '!') // Skip empty lines and comments.
                        continue;

                if (sscanf(readptr, "[%[^]]]", inisection) == 1)
                {
                }
                else if (sscanf(readptr, "%[^=]=%[^\n]", option, value) == 2)
                {
                        callback(inisection, strtrim(option), newlines(strtrim(value)));
                }
                else
                {
                        success = false;
                }
        }
        
        fclose(fp);
        return success;
}

Revision:	993
Committed:	Sun Apr 6 17:06:02 2014 UTC (11 years, 7 months ago) by alloc
Content type:	text/x-csrc
File size:	1467 byte(s)
Log Message:	Daodan: - Fix #74 - Fix #75 - Fix #72
#	Content
1	#include <stdio.h>
2	#include <stdlib.h>
3	#include "stdint.h"
4	#include <string.h>
5	#include <ctype.h>
6
7	#include "Inifile_Reader.h"
8
9	static char* strtrim(char* string)
10	{
11	while (isspace(*string))
12	string++;
13	for (int i = strlen(string) - 1; i >= 0; i--)
14	{
15	if (isspace(string[i]))
16	{
17	string[i] = 0;
18	}
19	else
20	{
21	break;
22	}
23	}
24	return string;
25	}
26
27	static char* newlines(char* string)
28	{
29	for (char* i = string + strlen(string) - 1; i >= string; i--)
30	{
31	if ((i == '\\') && ((i+1) == 'n'))
32	{
33	*i = '\n';
34	memmove(i+1, i+2, strlen(i+1));
35	}
36	}
37	return string;
38	}
39
40	bool Inifile_Read(const char* filename, inifile_callback callback)
41	{
42	FILE* fp = fopen(filename, "r");
43
44	char inisection[30] = "";
45	char option[30] = "";
46	char value[200] = "";
47
48	char readbuf[4096] = "";
49	char* readptr;
50
51	bool success = true;
52
53	if (!fp)
54	return false;
55
56	while ((readptr = fgets(readbuf, sizeof(readbuf), fp))) // Loop through each line.
57	{
58	while (isspace(readptr[0])) // Skip whitespace.
59	readptr++;
60
61	if (readptr[0] == '\0' \|\| readptr[0] == '#' \|\| readptr[0] == '!') // Skip empty lines and comments.
62	continue;
63
64	if (sscanf(readptr, "[%[^]]]", inisection) == 1)
65	{
66	}
67	else if (sscanf(readptr, "%[^=]=%[^\n]", option, value) == 2)
68	{
69	callback(inisection, strtrim(option), newlines(strtrim(value)));
70	}
71	else
72	{
73	success = false;
74	}
75	}
76
77	fclose(fp);
78	return success;
79	}
80