libvirt/src/conf.h
2008-05-29 19:20:22 +00:00

100 lines
2.8 KiB
C

/**
* conf.h: parser for a subset of the Python encoded Xen configuration files
*
* Copyright (C) 2006, 2007 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
* Daniel Veillard <veillard@redhat.com>
*/
#ifndef __VIR_CONF_H__
#define __VIR_CONF_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* virConfType:
* one of the possible type for a value from the configuration file
*
* TODO: we probably need a float too.
*/
typedef enum {
VIR_CONF_NONE = 0, /* undefined */
VIR_CONF_LONG = 1, /* a long int */
VIR_CONF_STRING = 2, /* a string */
VIR_CONF_LIST = 3 /* a list */
} virConfType;
static inline const char *
virConfTypeName (virConfType t)
{
switch (t) {
case VIR_CONF_LONG:
return "long";
case VIR_CONF_STRING:
return "string";
case VIR_CONF_LIST:
return "list";
default:
return "*unexpected*";
}
}
/**
* virConfValue:
* a value from the configuration file
*/
typedef struct _virConfValue virConfValue;
typedef virConfValue *virConfValuePtr;
struct _virConfValue {
virConfType type; /* the virConfType */
virConfValuePtr next; /* next element if in a list */
long l; /* long integer */
char *str; /* pointer to 0 terminated string */
virConfValuePtr list; /* list of a list */
};
/**
* virConfPtr:
* a pointer to a parsed configuration file
*/
typedef struct _virConf virConf;
typedef virConf *virConfPtr;
virConfPtr __virConfNew (void);
virConfPtr __virConfReadFile (const char *filename);
virConfPtr __virConfReadMem (const char *memory,
int len);
int __virConfFree (virConfPtr conf);
void __virConfFreeValue (virConfValuePtr val);
virConfValuePtr __virConfGetValue (virConfPtr conf,
const char *setting);
int __virConfSetValue (virConfPtr conf,
const char *setting,
virConfValuePtr value);
int __virConfWriteFile (const char *filename,
virConfPtr conf);
int __virConfWriteMem (char *memory,
int *len,
virConfPtr conf);
#define virConfNew() __virConfNew()
#define virConfReadFile(f) __virConfReadFile((f))
#define virConfReadMem(m,l) __virConfReadMem((m),(l))
#define virConfFree(c) __virConfFree((c))
#define virConfFreeValue(v) __virConfFreeValue((v))
#define virConfGetValue(c,s) __virConfGetValue((c),(s))
#define virConfSetValue(c,s,v) __virConfSetValue((c),(s),(v))
#define virConfWriteFile(f,c) __virConfWriteFile((f),(c))
#define virConfWriteMem(m,l,c) __virConfWriteMem((m),(l),(c))
#ifdef __cplusplus
}
#endif
#endif /* __VIR_CONF_H__ */