зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.2 KiB
C++
79 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsID.h"
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#include "prprf.h"
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#include "prmem.h"
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static const char gIDFormat[] =
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"{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}";
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static const char gIDFormat2[] =
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"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x";
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/*
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* Turns a {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} string into
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* an nsID
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*/
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NS_COM PRBool nsID::Parse(const char *aIDStr)
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{
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PRInt32 count = 0;
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PRInt32 n1, n2, n3[8];
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PRInt32 n0;
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if (NULL != aIDStr) {
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count = PR_sscanf(aIDStr,
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(aIDStr[0] == '{') ? gIDFormat : gIDFormat2,
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&n0, &n1, &n2,
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&n3[0],&n3[1],&n3[2],&n3[3],
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&n3[4],&n3[5],&n3[6],&n3[7]);
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m0 = (PRInt32) n0;
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m1 = (PRInt16) n1;
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m2 = (PRInt16) n2;
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for (int i = 0; i < 8; i++) {
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m3[i] = (PRInt8) n3[i];
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}
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}
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return (PRBool) (count == 11);
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}
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/*
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* Returns an allocated string in {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
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* format. Caller should delete [] the string.
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*/
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NS_COM char *nsID::ToString() const
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{
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char *res = (char*)PR_Malloc(39); // use PR_Malloc if this is to be freed with nsCRT::free
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if (res != NULL) {
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PR_snprintf(res, 39, gIDFormat,
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m0, (PRUint32) m1, (PRUint32) m2,
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(PRUint32) m3[0], (PRUint32) m3[1], (PRUint32) m3[2],
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(PRUint32) m3[3], (PRUint32) m3[4], (PRUint32) m3[5],
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(PRUint32) m3[6], (PRUint32) m3[7]);
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}
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return res;
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}
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