libvirt/src/util/virconf.h

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/*
* virconf.h: parser for a subset of the Python encoded Xen configuration files
*
* Copyright (C) 2006, 2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Daniel Veillard <veillard@redhat.com>
*/
#ifndef __VIR_CONF_H__
# define __VIR_CONF_H__
# include "virutil.h"
/**
* 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, /* a long int */
VIR_CONF_ULONG, /* an unsigned long int */
VIR_CONF_STRING, /* a string */
VIR_CONF_LIST, /* a list */
VIR_CONF_LAST, /* sentinel */
} virConfType;
VIR_ENUM_DECL(virConf)
typedef enum {
VIR_CONF_FLAG_VMX_FORMAT = 1, /* allow ':', '.' and '-' in names for compatibility
with VMware VMX configuration file, but restrict
allowed value types to string only */
VIR_CONF_FLAG_LXC_FORMAT = 2, /* allow '.' in names for compatibility with LXC
configuration file, restricts allowed value types
to string only and don't expect quotes for values */
} virConfFlags;
/**
* 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;
typedef int (*virConfWalkCallback)(const char* name,
virConfValuePtr value,
void *opaque);
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virConfPtr virConfNew (void);
virConfPtr virConfReadFile (const char *filename, unsigned int flags);
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virConfPtr virConfReadMem (const char *memory,
int len, unsigned int flags);
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int virConfFree (virConfPtr conf);
void virConfFreeValue (virConfValuePtr val);
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virConfValuePtr virConfGetValue (virConfPtr conf,
const char *setting);
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int virConfSetValue (virConfPtr conf,
const char *setting,
virConfValuePtr value);
int virConfWalk(virConfPtr conf,
virConfWalkCallback callback,
void *opaque);
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int virConfWriteFile (const char *filename,
virConfPtr conf);
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int virConfWriteMem (char *memory,
int *len,
virConfPtr conf);
#endif /* __VIR_CONF_H__ */