EMILE/libconfig/config_get_next_property.c
2008-04-16 13:36:26 +00:00

91 lines
1.5 KiB
C

/*
*
* (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <string.h>
#include "libconfig.h"
static inline char* eat_blank(char *s)
{
again:
while ( (*s == ' ') || (*s == '\t') || (*s == '\n') )
s++;
if (*s == '#')
{
while (*s != '\n')
s++;
goto again;
}
return s;
}
static inline char *read_line(char *s)
{
s = eat_blank(s);
while (*s && (*s != '\n'))
s++;
if (*s == 0)
return s;
return s + 1;
}
char *config_read_word(char *line, char **next)
{
char *word;
line = eat_blank(line);
word = line;
while ( *line && (*line != ' ') && (*line != '\t') && (*line != '\n') )
line++;
*next = line;
return word;
}
int config_get_next_property(int8_t *configuration, int index, char *name, char *property)
{
char *next_word, *next_line;
char *current_name, *current_property;
next_line = (char*)configuration + index;
if (*next_line == 0)
return -1;
next_word = next_line;
next_line = read_line(next_line);
current_name = config_read_word(next_word, &next_word);
if (name)
{
strncpy(name, current_name, next_word - current_name);
name[next_word - current_name] = 0;
}
current_property = config_read_word(next_word, &next_word);
if (property)
{
if (next_line - current_property != 0)
{
strncpy(property, current_property,
next_line - current_property);
/* remove '\n' if needed */
if (*(next_line - 1) == '\n')
property[next_line - current_property - 1] = 0;
else
property[next_line - current_property] = 0;
}
else
*property = 0;
}
return next_line - (char*)configuration;
}