108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
|
/*
|
||
|
|
* QString Module
|
||
|
|
*
|
||
|
|
* Copyright (C) 2009 Red Hat Inc.
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* Luiz Capitulino <lcapitulino@redhat.com>
|
||
|
|
*
|
||
|
|
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
|
||
|
|
* See the COPYING.LIB file in the top-level directory.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "qemu/osdep.h"
|
||
|
|
#include "qapi/qmp/qstring.h"
|
||
|
|
#include "qobject-internal.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_new(): Create a new empty QString
|
||
|
|
*
|
||
|
|
* Return strong reference.
|
||
|
|
*/
|
||
|
|
QString *qstring_new(void)
|
||
|
|
{
|
||
|
|
return qstring_from_str("");
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_from_substr(): Create a new QString from a C string substring
|
||
|
|
*
|
||
|
|
* Return string reference
|
||
|
|
*/
|
||
|
|
QString *qstring_from_substr(const char *str, size_t start, size_t end)
|
||
|
|
{
|
||
|
|
QString *qstring;
|
||
|
|
|
||
|
|
assert(start <= end);
|
||
|
|
qstring = g_malloc(sizeof(*qstring));
|
||
|
|
qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
|
||
|
|
qstring->string = g_strndup(str + start, end - start);
|
||
|
|
return qstring;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_from_str(): Create a new QString from a regular C string
|
||
|
|
*
|
||
|
|
* Return strong reference.
|
||
|
|
*/
|
||
|
|
QString *qstring_from_str(const char *str)
|
||
|
|
{
|
||
|
|
return qstring_from_substr(str, 0, strlen(str));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_from_gstring(): Convert a GString to a QString
|
||
|
|
*
|
||
|
|
* Return strong reference.
|
||
|
|
*/
|
||
|
|
|
||
|
|
QString *qstring_from_gstring(GString *gstr)
|
||
|
|
{
|
||
|
|
QString *qstring;
|
||
|
|
|
||
|
|
qstring = g_malloc(sizeof(*qstring));
|
||
|
|
qobject_init(QOBJECT(qstring), QTYPE_QSTRING);
|
||
|
|
qstring->string = g_string_free(gstr, false);
|
||
|
|
return qstring;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_get_str(): Return a pointer to the stored string
|
||
|
|
*
|
||
|
|
* NOTE: Should be used with caution, if the object is deallocated
|
||
|
|
* this pointer becomes invalid.
|
||
|
|
*/
|
||
|
|
const char *qstring_get_str(const QString *qstring)
|
||
|
|
{
|
||
|
|
return qstring->string;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_is_equal(): Test whether the two QStrings are equal
|
||
|
|
*/
|
||
|
|
bool qstring_is_equal(const QObject *x, const QObject *y)
|
||
|
|
{
|
||
|
|
return !strcmp(qobject_to(QString, x)->string,
|
||
|
|
qobject_to(QString, y)->string);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* qstring_destroy_obj(): Free all memory allocated by a QString
|
||
|
|
* object
|
||
|
|
*/
|
||
|
|
void qstring_destroy_obj(QObject *obj)
|
||
|
|
{
|
||
|
|
QString *qs;
|
||
|
|
|
||
|
|
assert(obj != NULL);
|
||
|
|
qs = qobject_to(QString, obj);
|
||
|
|
g_free((char *)qs->string);
|
||
|
|
g_free(qs);
|
||
|
|
}
|
||
|
|
|
||
|
|
void qstring_unref(QString *q)
|
||
|
|
{
|
||
|
|
qobject_unref(q);
|
||
|
|
}
|