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400 lines
9.3 KiB
400 lines
9.3 KiB
//=============================================================================
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// File: msgid.cpp
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// Contents: Definitions for DwMsgId
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// Maintainer: Doug Sauder <dwsauder@fwb.gulf.net>
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// WWW: http://www.fwb.gulf.net/~dwsauder/mimepp.html
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//
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// Copyright (c) 1996, 1997 Douglas W. Sauder
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// All rights reserved.
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//
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// IN NO EVENT SHALL DOUGLAS W. SAUDER BE LIABLE TO ANY PARTY FOR DIRECT,
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// INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
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// THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF DOUGLAS W. SAUDER
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// HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// DOUGLAS W. SAUDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT
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// NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
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// BASIS, AND DOUGLAS W. SAUDER HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
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// SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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//
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//=============================================================================
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#define DW_IMPLEMENTATION
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#include <mimelib/config.h>
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#include <mimelib/debug.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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// UNIX specific includes
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//#if defined(__unix__) || defined(__unix)
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#if defined(DW_UNIX)
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# include <unistd.h>
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# if defined(__SUNPRO_CC)
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# include <sysent.h>
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# endif // defined(__SUNPRO_CC)
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#endif // defined (DW_UNIX)
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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// WIN32 specific includes
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#if defined(DW_WIN32)
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# include <windows.h>
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#endif // defined(DW_WIN32)
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#include <mimelib/string.h>
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#include <mimelib/msgid.h>
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#include <mimelib/token.h>
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static void GetHostName(char* buf, int bufLen);
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static DwUint32 GetPid();
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const char* const DwMsgId::sClassName = "DwMsgId";
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const char* DwMsgId::sHostName = 0;
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DwMsgId* (*DwMsgId::sNewMsgId)(const DwString&, DwMessageComponent*) = 0;
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DwMsgId* DwMsgId::NewMsgId(const DwString& aStr, DwMessageComponent* aParent)
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{
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if (sNewMsgId) {
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return sNewMsgId(aStr, aParent);
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}
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else {
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return new DwMsgId(aStr, aParent);
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}
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}
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DwMsgId::DwMsgId()
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{
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mClassId = kCidMsgId;
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mClassName = sClassName;
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}
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DwMsgId::DwMsgId(const DwMsgId& aMsgId)
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: DwFieldBody(aMsgId),
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mLocalPart(aMsgId.mLocalPart),
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mDomain(aMsgId.mDomain)
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{
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mClassId = kCidMsgId;
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mClassName = sClassName;
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}
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DwMsgId::DwMsgId(const DwString& aStr, DwMessageComponent* aParent)
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: DwFieldBody(aStr, aParent)
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{
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mClassId = kCidMsgId;
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mClassName = sClassName;
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}
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DwMsgId::~DwMsgId()
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{
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}
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const DwMsgId& DwMsgId::operator = (const DwMsgId& aMsgId)
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{
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if (this == &aMsgId) return *this;
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DwFieldBody::operator = (aMsgId);
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mLocalPart = aMsgId.mLocalPart;
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mDomain = aMsgId.mDomain;
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return *this;
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}
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const DwString& DwMsgId::LocalPart() const
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{
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return mLocalPart;
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}
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void DwMsgId::SetLocalPart(const DwString& aLocalPart)
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{
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mLocalPart = aLocalPart;
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SetModified();
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}
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const DwString& DwMsgId::Domain() const
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{
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return mDomain;
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}
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void DwMsgId::SetDomain(const DwString& aDomain)
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{
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mDomain = aDomain;
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SetModified();
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}
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void DwMsgId::Parse()
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{
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mIsModified = 0;
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int ch;
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DwRfc822Tokenizer tokenizer(mString);
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// Advance to '<'
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int type = tokenizer.Type();
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int found = 0;
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while (!found && type != eTkNull) {
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if (type == eTkSpecial && tokenizer.Token()[0] == '<') {
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found = 1;
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}
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++tokenizer;
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type = tokenizer.Type();
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}
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// Get the local part
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found = 0;
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while (type != eTkNull && !found) {
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switch (type) {
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case eTkSpecial:
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ch = tokenizer.Token()[0];
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switch (ch) {
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case '@':
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found = 1;
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break;
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case '.':
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mLocalPart += tokenizer.Token();
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break;
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}
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break;
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case eTkAtom:
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case eTkQuotedString:
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mLocalPart += tokenizer.Token();
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break;
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}
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++tokenizer;
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type = tokenizer.Type();
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}
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// Get the domain
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found = 0;
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while (type != eTkNull && !found) {
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switch (type) {
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case eTkSpecial:
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ch = tokenizer.Token()[0];
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switch (ch) {
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case '>':
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found = 1;
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break;
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case '.':
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mDomain += tokenizer.Token();
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break;
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}
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break;
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case eTkAtom:
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mDomain += tokenizer.Token();
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break;
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case eTkDomainLiteral:
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mDomain += tokenizer.Token();
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break;
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}
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++tokenizer;
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type = tokenizer.Type();
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}
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}
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void DwMsgId::Assemble()
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{
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if (!mIsModified) return;
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mString = "<";
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mString += mLocalPart;
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mString += "@";
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mString += mDomain;
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mString += ">";
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mIsModified = 0;
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}
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DwMessageComponent* DwMsgId::Clone() const
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{
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return new DwMsgId(*this);
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}
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static char base35chars[] = "0123456789ABCDEFGHIJKLMNPTQRSTUVWXYZ";
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void DwMsgId::CreateDefault()
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{
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char hostname[80];
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hostname[0] = 0;
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GetHostName(hostname, 80);
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hostname[79] = 0;
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char scratch[80];
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time_t tt = time(NULL);
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struct tm tms = *localtime(&tt);
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int pos = 0;
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scratch[pos++] = '<';
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int n = tms.tm_year;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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n = tms.tm_mon + 1;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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n = tms.tm_mday;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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n = tms.tm_hour;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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n = tms.tm_min;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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n = tms.tm_sec;
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scratch[pos++] = char(n / 10 % 10 + '0');
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scratch[pos++] = char(n % 10 + '0');
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static int counter = 0;
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scratch[pos++] = base35chars[counter/35%35];
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scratch[pos++] = base35chars[counter %35];
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++counter;
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scratch[pos++] = '.';
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DwUint32 pid = GetPid();
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scratch[pos++] = char(pid / 10000 % 10 + '0');
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scratch[pos++] = char(pid / 1000 % 10 + '0');
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scratch[pos++] = char(pid / 100 % 10 + '0');
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scratch[pos++] = char(pid / 10 % 10 + '0');
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scratch[pos++] = char(pid % 10 + '0');
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scratch[pos++] = '@';
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char* cp = hostname;
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while (*cp && pos < 79) {
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scratch[pos++] = *cp++;
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}
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scratch[pos++] = '>';
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scratch[pos] = 0;
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mString = scratch;
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mIsModified = 0;
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Parse();
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}
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#if defined (DW_DEBUG_VERSION)
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void DwMsgId::PrintDebugInfo(std::ostream& aStrm, int /*aDepth*/) const
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{
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aStrm <<
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"----------------- Debug info for DwMsgId class -----------------\n";
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_PrintDebugInfo(aStrm);
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}
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#else
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void DwMsgId::PrintDebugInfo(std::ostream& , int ) const {}
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#endif // defined (DW_DEBUG_VERSION)
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#if defined (DW_DEBUG_VERSION)
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void DwMsgId::_PrintDebugInfo(std::ostream& aStrm) const
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{
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DwFieldBody::_PrintDebugInfo(aStrm);
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aStrm << "Local part: " << mLocalPart << '\n';
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aStrm << "Domain: " << mDomain << '\n';
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}
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#else
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void DwMsgId::_PrintDebugInfo(std::ostream& ) const {}
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#endif // defined (DW_DEBUG_VERSION)
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void DwMsgId::CheckInvariants() const
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{
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#if defined (DW_DEBUG_VERSION)
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DwFieldBody::CheckInvariants();
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mLocalPart.CheckInvariants();
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mDomain.CheckInvariants();
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#endif // defined (DW_DEBUG_VERSION)
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}
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//============================================================================
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// Platform dependent code follows
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//============================================================================
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//----------------------------------------------------------------------------
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// WIN32
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//----------------------------------------------------------------------------
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#if defined(DW_WIN32)
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#if defined(WINSOCK)
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// Winsock version
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static void GetHostName(char* buf, int bufLen)
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{
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WORD wVersionRequested = MAKEWORD(1, 1);
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WSADATA wsaData;
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int err = WSAStartup(wVersionRequested, &wsaData);
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// check winsock version 1.1
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if (LOBYTE(wsaData.wVersion) == 1 &&
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HIBYTE(wsaData.wVersion) == 1 &&
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err == 0) {
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buf[0] = '\0';
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if (!gethostname(buf, bufLen))
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buf[bufLen-1] = '\0';
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}
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else {
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// cannot find winsock
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if (DwMsgId::sHostName) {
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strcpy(hostname, DwMsgId::sHostName);
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}
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else {
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strcpy(hostname, "noname");
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}
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}
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WSACleanup();
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}
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#else // !defined(WINSOCK)
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// Generic version (no Winsock). Requires that DwMsgId::sHostName be set.
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static void GetHostName(char* buf, int bufLen)
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{
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if (DwMsgId::sHostName) {
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strncpy(buf, DwMsgId::sHostName, bufLen);
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buf[bufLen-1] = 0;
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}
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else {
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strcpy(buf, "noname");
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}
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}
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#endif // !defined(WINSOCK)
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typedef unsigned pid_t;
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static DwUint32 GetPid()
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{
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return GetCurrentProcessId();
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}
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#endif // defined(DW_WIN32)
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//----------------------------------------------------------------------------
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// UNIX
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//----------------------------------------------------------------------------
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#if defined(DW_UNIX)
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static void GetHostName(char* buf, int bufLen)
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{
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buf[0] = '\0';
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if (!gethostname(buf, bufLen))
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buf[bufLen-1] = '\0';
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}
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static DwUint32 GetPid()
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{
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return getpid();
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}
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#endif // defined(DW_UNIX)
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