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+ /*
+ ** OSSP uuid - Universally Unique Identifier
+ ** Copyright (c) 2004-2005 Ralf S. Engelschall <rse@engelschall.com>
+ ** Copyright (c) 2004-2005 The OSSP Project <http://www.ossp.org/>
+ **
+ ** This file is part of OSSP uuid, a library for the generation
+ ** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/
+ **
+ ** Permission to use, copy, modify, and distribute this software for
+ ** any purpose with or without fee is hereby granted, provided that
+ ** the above copyright notice and this permission notice appear in all
+ ** copies.
+ **
+ ** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ ** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ ** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ ** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+ ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ ** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ ** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ ** SUCH DAMAGE.
+ **
+ ** uuid++.cc: library C++ API implementation
+ */
+
+ #include <string.h>
+ #include <stdarg.h>
+
+ #include "uuid++.hh"
+
+ using namespace std;
+
+ /*
+ ** OBJECT CONSTRUCTORS AND DESTRUCTOR
+ */
+
+ /* standard constructor */
+ uuid::uuid()
+ {
+ if (uuid_create(&ctx) != UUID_RC_OK)
+ throw "unable to create UUID context";
+ }
+
+ /* standard destructor */
+ uuid::~uuid()
+ {
+ uuid_destroy(ctx);
+ }
+
+ /* construction: import of other C++ API object (= special C++ copy constructor) */
+ uuid::uuid(const uuid &obj)
+ {
+ /* Notice: the copy constructor is the same as the assignment
+ operator (with the object as the RHS) below, except that (1) no
+ check for self-assignment is required, (2) no existing internals
+ have to be destroyed and (3) no return value is given back. */
+ if (uuid_clone(obj.ctx, &ctx) != UUID_RC_OK)
+ throw "unable to clone UUID context";
+ }
+
+ /* construction: import of other C API object */
+ uuid::uuid(uuid_t *obj)
+ {
+ if (obj != NULL)
+ ctx = obj;
+ else {
+ if (uuid_create(&ctx) != UUID_RC_OK)
+ throw "unable to create UUID context";
+ }
+ }
+
+ /* construction: import of binary representation */
+ uuid::uuid(const unsigned char *bin)
+ {
+ if (uuid_create(&ctx) != UUID_RC_OK)
+ throw "unable to create UUID context";
+ if (bin != NULL) {
+ if (uuid_import(ctx, UUID_FMT_BIN, bin, UUID_LEN_BIN) != UUID_RC_OK)
+ throw "unable to import UUID from binary representation";
+ }
+ }
+
+ /* construction: import of string representation */
+ uuid::uuid(const char *str)
+ {
+ if (uuid_create(&ctx) != UUID_RC_OK)
+ throw "unable to create UUID context";
+ if (str != NULL) {
+ if (uuid_import(ctx, UUID_FMT_STR, str, strlen(str)) != UUID_RC_OK)
+ throw "unable to import UUID from string representation";
+ }
+ }
+
+ /*
+ ** IMPORT METHODS
+ */
+
+ /* assignment: import of other C++ API object */
+ uuid &uuid::operator=(const uuid &rhs)
+ {
+ if (this == &rhs)
+ return *this;
+ if (uuid_destroy(ctx) != UUID_RC_OK)
+ throw "failed to destroy old UUID context";
+ if (uuid_clone(rhs.ctx, &ctx) != UUID_RC_OK)
+ throw "unable to clone UUID context";
+ return *this;
+ }
+
+ /* assignment: import of other C API object */
+ uuid &uuid::operator=(const uuid_t *rhs)
+ {
+ if (rhs == NULL)
+ throw "invalid RHS C object";
+ if (uuid_clone((uuid_t *)rhs, &ctx) != UUID_RC_OK)
+ throw "unable to clone UUID context";
+ return *this;
+ }
+
+ /* assignment: import of binary representation */
+ uuid &uuid::operator=(const unsigned char *rhs)
+ {
+ if (rhs == NULL)
+ throw "invalid RHS string";
+ if (uuid_import(ctx, UUID_FMT_BIN, (const void *)rhs, UUID_LEN_BIN) != UUID_RC_OK)
+ throw "unable to import into source UUID context";
+ return *this;
+ }
+
+ /* assignment: import of string representation */
+ uuid &uuid::operator=(const char *rhs)
+ {
+ if (rhs == NULL)
+ throw "invalid RHS string";
+ if (uuid_import(ctx, UUID_FMT_STR, (const void *)rhs, strlen(rhs)) != UUID_RC_OK)
+ throw "unable to import into source UUID context";
+ return *this;
+ }
+
+ /*
+ ** GENERATION METHODS
+ */
+
+ /* generation: loading existing UUID by name */
+ void uuid::load(const char *name)
+ {
+ if (name == NULL)
+ throw "invalid UUID name";
+ if (uuid_load(ctx, name) != UUID_RC_OK)
+ throw "unable to load UUID by name";
+ return;
+ }
+
+ /* generation: making new UUID one from scratch */
+ void uuid::make(unsigned int mode, ...)
+ {
+ uuid_rc_t rv;
+ va_list ap;
+
+ va_start(ap, mode);
+ if ((mode & UUID_MAKE_V3) || (mode & UUID_MAKE_V5)) {
+ const char *ns = (const char *)va_arg(ap, char *);
+ const char *name = (const char *)va_arg(ap, char *);
+ if (ns == NULL || name == NULL)
+ throw "invalid arguments";
+ rv = uuid_make(ctx, mode, ns, name);
+ }
+ else
+ rv = uuid_make(ctx, mode);
+ va_end(ap);
+ if (rv != UUID_RC_OK)
+ throw "unable to make new UUID";
+ return;
+ }
+
+ /*
+ ** COMPARISON METHODS
+ */
+
+ /* comparison: is-Nil-UUID */
+ int uuid::isnil(void)
+ {
+ int rv;
+
+ if (uuid_isnil(ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID for being Nil-UUID";
+ return rv;
+ }
+
+ /* comparison: equality */
+ int uuid::operator==(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv == 0);
+ }
+
+ /* comparison: inequality */
+ int uuid::operator!=(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv != 0);
+ }
+
+ /* comparison: lower-than */
+ int uuid::operator<(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv < 0);
+ }
+
+ /* comparison: lower-than-or-equal */
+ int uuid::operator<=(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv <= 0);
+ }
+
+ /* comparison: greater-than */
+ int uuid::operator>(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv > 0);
+ }
+
+ /* comparison: greater-than-or-equal */
+ int uuid::operator>=(const uuid &rhs)
+ {
+ int rv;
+
+ if (uuid_compare(ctx, rhs.ctx, &rv) != UUID_RC_OK)
+ throw "unable to compare UUID contexts";
+ return (rv >= 0);
+ }
+
+ /*
+ ** EXPORT METHODS
+ */
+
+ /* export: object representation */
+ uuid_t *uuid::object(void)
+ {
+ return ctx;
+ }
+
+ /* export: binary representation */
+ unsigned char *uuid::binary(void)
+ {
+ unsigned char *bin;
+
+ bin = NULL;
+ if (uuid_export(ctx, UUID_FMT_BIN, (void **)&bin, NULL) != UUID_RC_OK)
+ throw "unable to export UUID context";
+ return bin;
+ }
+
+ /* export: string representation */
+ char *uuid::string(void)
+ {
+ char *str;
+
+ str = NULL;
+ if (uuid_export(ctx, UUID_FMT_STR, (void **)&str, NULL) != UUID_RC_OK)
+ throw "unable to export UUID context";
+ return str;
+ }
+
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