/**
* virConfParseStatement:
* @ctxt: the parsing context
*
* Parse one statement in the conf file
*
* Returns 0 in case of success and -1 in case of error
*/
static int
virConfParseStatement(virConfParserCtxtPtr ctxt)
{
const char *base;
char *name;
virConfValuePtr value;
char *comm = NULL;
SKIP_BLANKS_AND_EOL;
if (CUR == '#') {
return virConfParseComment(ctxt);
}
name = virConfParseName(ctxt);
if (name == NULL)
return -1;
SKIP_BLANKS;
if (CUR != '=') {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX, _("expecting an assignment"));
VIR_FREE(name);
return -1;
}
NEXT;
SKIP_BLANKS;
value = virConfParseValue(ctxt);
if (value == NULL) {
VIR_FREE(name);
return -1;
}
SKIP_BLANKS;
if (CUR == '#') {
NEXT;
base = ctxt->cur;
while ((ctxt->cur < ctxt->end) && (!IS_EOL(CUR))) NEXT;
comm = strndup(base, ctxt->cur - base);
if (comm == NULL) {
virReportOOMError();
VIR_FREE(name);
virConfFreeValue(value);
return -1;
}
}
if (virConfAddEntry(ctxt->conf, name, value, comm) == NULL) {
VIR_FREE(name);
virConfFreeValue(value);
VIR_FREE(comm);
return -1;
}
return 0;
}
/**
* virConfParseValue:
* @ctxt: the parsing context
*
* Parse one value
*
* Returns a pointer to the value or NULL in case of error
*/
static virConfValuePtr
virConfParseValue(virConfParserCtxtPtr ctxt)
{
virConfValuePtr ret, lst = NULL, tmp, prev;
virConfType type = VIR_CONF_NONE;
char *str = NULL;
long l = 0;
SKIP_BLANKS;
if (ctxt->cur >= ctxt->end) {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX, _("expecting a value"));
return NULL;
}
if ((CUR == '"') || (CUR == '\'') ||
(ctxt->conf->flags & VIR_CONF_FLAG_LXC_FORMAT)) {
type = VIR_CONF_STRING;
str = virConfParseString(ctxt);
if (str == NULL)
return NULL;
} else if (CUR == '[') {
if (ctxt->conf->flags & VIR_CONF_FLAG_VMX_FORMAT) {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX,
_("lists not allowed in VMX format"));
return NULL;
}
type = VIR_CONF_LIST;
NEXT;
SKIP_BLANKS_AND_EOL;
if ((ctxt->cur < ctxt->end) && (CUR != ']')) {
if ((lst = virConfParseValue(ctxt)) == NULL)
return NULL;
SKIP_BLANKS_AND_EOL;
}
while ((ctxt->cur < ctxt->end) && (CUR != ']')) {
/* Tell Clang that when execution reaches this point
"lst" is guaranteed to be non-NULL. This stops it
from issuing an invalid NULL-dereference warning about
"prev = lst; while (prev->next..." below. */
sa_assert(lst);
if (CUR != ',') {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX,
_("expecting a separator in list"));
virConfFreeList(lst);
return NULL;
}
NEXT;
SKIP_BLANKS_AND_EOL;
if (CUR == ']') {
break;
}
tmp = virConfParseValue(ctxt);
if (tmp == NULL) {
virConfFreeList(lst);
return NULL;
}
prev = lst;
while (prev->next != NULL) prev = prev->next;
prev->next = tmp;
SKIP_BLANKS_AND_EOL;
}
if (CUR == ']') {
NEXT;
} else {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX,
_("list is not closed with ]"));
virConfFreeList(lst);
return NULL;
}
} else if (c_isdigit(CUR) || (CUR == '-') || (CUR == '+')) {
if (ctxt->conf->flags & VIR_CONF_FLAG_VMX_FORMAT) {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX,
_("numbers not allowed in VMX format"));
return NULL;
}
if (virConfParseLong(ctxt, &l) < 0) {
return NULL;
}
type = VIR_CONF_LONG;
} else {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX, _("expecting a value"));
return NULL;
}
if (VIR_ALLOC(ret) < 0) {
virConfFreeList(lst);
VIR_FREE(str);
return NULL;
}
ret->type = type;
ret->l = l;
ret->str = str;
ret->list = lst;
return ret;
}
