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CodeBlocksPortable/Borland/BCC55/Examples/StdLib/tele.cpp

171 lines
5 KiB
C++

#include "stlexam.h"
#pragma hdrstop
/**************************************************************************
*
* tele.cpp - telephone directory sample program, from section 9.3.1
*
***************************************************************************
*
* (c) Copyright 1994, 1998 Rogue Wave Software, Inc.
* ALL RIGHTS RESERVED
*
* The software and information contained herein are proprietary to, and
* comprise valuable trade secrets of, Rogue Wave Software, Inc., which
* intends to preserve as trade secrets such software and information.
* This software is furnished pursuant to a written license agreement and
* may be used, copied, transmitted, and stored only in accordance with
* the terms of such license and with the inclusion of the above copyright
* notice. This software and information or any other copies thereof may
* not be provided or otherwise made available to any other person.
*
* Notwithstanding any other lease or license that may pertain to, or
* accompany the delivery of, this computer software and information, the
* rights of the Government regarding its use, reproduction and disclosure
* are as set forth in Section 52.227-19 of the FARS Computer
* Software-Restricted Rights clause.
*
* Use, duplication, or disclosure by the Government is subject to
* restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
* Technical Data and Computer Software clause at DFARS 252.227-7013.
* Contractor/Manufacturer is Rogue Wave Software, Inc.,
* P.O. Box 2328, Corvallis, Oregon 97339.
*
* This computer software and information is distributed with "restricted
* rights." Use, duplication or disclosure is subject to restrictions as
* set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
* Computer Software-Restricted Rights (April 1985)." If the Clause at
* 18-52.227-74 "Rights in Data General" is specified in the contract,
* then the "Alternate III" clause applies.
*
**************************************************************************/
# include <map>
# include <algorithm>
# include <vector>
#ifdef _RW_STD_IOSTREAM
#include <iostream>
#else
#include <iostream.h>
#endif
# include <string>
#ifndef _RWSTD_NO_NAMESPACE
using namespace std;
#endif
typedef map<string, long, less<string>,allocator<string> > friendMap;
typedef map<long, string, less<long>,allocator<long> > sortedMap;
//
// Utility functions used in telephone directory.
//
typedef friendMap::value_type entry_type;
typedef sortedMap::value_type sorted_entry_type;
#ifndef HPPA_WA
void printEntry (const entry_type & entry)
#else
void printEntry (const entry_type entry)
#endif
{
cout << entry.first << ":" << entry.second << endl;
}
#ifndef HPPA_WA
void printSortedEntry (const sorted_entry_type & entry)
#else
void printSortedEntry (const sorted_entry_type entry)
#endif
{
cout << entry.first << ":" << entry.second << endl;
}
int prefix (const entry_type& entry) { return entry.second / 10000; }
bool prefixCompare (const entry_type & a, const entry_type & b)
{
return prefix(a) < prefix(b);
}
class checkPrefix
{
public:
checkPrefix (int p) : testPrefix(p) { }
int testPrefix;
bool operator () (const entry_type& entry)
{
return prefix(entry)==testPrefix;
}
};
class telephoneDirectory
{
public:
void addEntry (string name, long number) { database[name] = number; }
void remove (string name) { database.erase(name); }
void update (string name, long number)
{
remove(name);addEntry(name,number);
}
void displayDatabase()
{
for_each(database.begin(), database.end(), printEntry);
}
void displayPrefix(int);
void displayByPrefix();
private:
friendMap database;
};
void telephoneDirectory::displayPrefix (int prefix)
{
cout << "Listing for prefix " << prefix << endl;
map<string, long, less<string>,allocator<string> >::iterator where;
where = find_if(database.begin(), database.end(), checkPrefix(prefix));
while (where != database.end())
{
printEntry(*where);
where = find_if(++where, database.end(), checkPrefix(prefix));
}
cout << "end of prefix listing" << endl;
}
void telephoneDirectory::displayByPrefix ()
{
cout << "Display by prefix" << endl;
sortedMap sortedData;
for (friendMap::iterator i = database.begin(); i != database.end(); i++)
sortedData.insert(sortedMap::value_type((*i).second, (*i).first));
for_each(sortedData.begin(), sortedData.end(), printSortedEntry);
cout << "end display by prefix" << endl;
}
int main ()
{
cout << "Telephone Directory sample program" << endl;
telephoneDirectory friends;
friends.addEntry("Samantha", 6342343);
friends.addEntry("Brenda", 5436546);
friends.addEntry("Fred", 7435423);
friends.addEntry("Allen", 6348723);
friends.displayDatabase();
friends.displayPrefix(634);
friends.displayByPrefix();
cout << "End of telephone directory sample program" << endl;
return 0;
}