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Copyright (C) 1999 CoreLinux Consortium
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The CoreLinux++ Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The CoreLinux++ Library Library is distributed in the hope that it will
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be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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/** \example examp2.cpp
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This example is to show use of the STL that CoreLinux wraps in macros.
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There was no purpose to wrapping them except to simplify the type
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defines to be consistent with CoreLinux++ C++ Standards naming
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conventions.It is assumed that the reader has some knowledge of
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#include <Map.hpp> // Defines map and multi-map
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using namespace corelinux;
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// A map is like a set in regards to the keys, it
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// does not allow multiple key values. For our example
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// a dictionary does allow multiple keys so we use
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less<AbstractStringPtr>,
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// Static entries to feed the dictionaries
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CharCptr theDefinition;
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DECLARE_TYPE( struct _Entry, Entry );
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// In module function prototypes
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// Allow user to feed the dictionaries
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void initializeDictionary( DictionaryRef, DictionaryType );
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// Generic print facility
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void dumpDictionary( DictionaryRef, AbstractStringCref );
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// Allow merge into main dictionary
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// Assertion and Exception handlers
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void handleAssertion( AssertionCref aAssert );
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void handleException( ExceptionCref );
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// Practice gracefull exception management
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// Initialize the starter
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initializeDictionary( mainBook, MAIN );
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dumpDictionary(mainBook,StringUtf8("Members of Main Dictionary"));
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// Emulate new entries added
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initializeDictionary( userBook, USER );
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dumpDictionary(userBook,StringUtf8("Members of User Dictionary"));
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// Create a union of entries. We use a simple method
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// (and probable not as efficient) as the routines
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// available in stl_algo.h.
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// You can consider which you would use based on
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// what behavior you want a merge to have.
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Dictionary updatedBook(mainBook);
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updatedBook.insert(userBook.begin(),userBook.end());
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dumpDictionary(updatedBook,StringUtf8("Members of NEW Main Dictionary"));
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// Now we do the cleanup as I don't think it will
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// happen on it's own
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DictionaryIterator begin( updatedBook.begin() );
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DictionaryIterator end( updatedBook.begin() );
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for( ; begin != end; ++begin )
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delete (*begin).first;
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delete (*begin).second;
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catch( AssertionRef aAssert )
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handleAssertion(aAssert);
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catch( ExceptionRef aException )
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handleException(aException);
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catch( std::exception & e )
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cerr << e.what() << endl;
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cerr << "Unknown exception." << endl;
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// Initialize dictionary feeds the provided collection
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// with dictionary entries based on the enumerator.
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// Various assertions are provided.
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Entry mainEntries[] =
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"A class whose primary purpose is to define an interface"},
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"A class defines an object's interface and implementation"},
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"A class having no abstract operations"}
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Entry userEntries[] =
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"A person who stays up late creating code examples"},
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"Where the monkey has to sleep"},
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"The class of material that a monkey gets hit with in the dog house"}
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void initializeDictionary
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DictionaryRef aDictionary,
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DictionaryType aTypeDictionary
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Count aCount(0); // Generic entry counter
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EntryCptr aHead(NULLPTR); // Generic entry pointer
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// Determine which dictionary to feed.
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// Extension suggestion: Have input come from
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// external source (keyboard, stream, etc)
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if( aTypeDictionary == MAIN )
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aCount = sizeof( mainEntries );
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else if( aTypeDictionary == USER )
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aCount = sizeof( userEntries );
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// Where missing something!
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aCount /= sizeof( Entry );
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CHECK( aHead != NULLPTR );
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// Feed the dictionary
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for( Count x = 0; x < aCount; ++x )
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Dictionary::value_type
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new StringUtf8(aHead[x].theKey),
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new StringUtf8(aHead[x].theDefinition)
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// General routine for dumping a dictionary to cout
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void dumpDictionary( DictionaryRef aRef , AbstractStringCref aHeader )
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REQUIRE( aHeader.supportsStandardInterface() == true );
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REQUIRE( aHeader.getElementByteCount() == sizeof(Char) );
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const string & aStdImpl = dynamic_cast<const std::string &>(aHeader);
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cout << endl << aStdImpl << endl << endl;
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DictionaryIterator begin = aRef.begin();
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// First we test to insure that we can handle the string
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// implementation using StringUtf8
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if( (*begin).first->supportsStandardInterface() == true &&
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(*begin).first->isUtf8() == true )
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DictionaryIterator end = aRef.end();
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StringUtf8Ptr aKey(NULLPTR);
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StringUtf8Ptr aValue(NULLPTR);
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for( ; begin != end; ++begin )
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aKey = dynamic_cast<StringUtf8Ptr>((*begin).first);
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aValue = dynamic_cast<StringUtf8Ptr>((*begin).second);
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cout << *aKey << " = " << *aValue << endl;
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throw Exception("Unable to support string type",LOCATION);
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// Peform default (just show it)
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void handleAssertion( AssertionCref aAssert )
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cerr << aAssert.getFile() << ":" << aAssert.getLine() << ":" <<
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if( aAssert.getType() == Assertion::NEVERGETHERE )
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cerr << "NEVER_GET_HERE";
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if( aAssert.getType() == Assertion::REQUIRE )
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else if( aAssert.getType() == Assertion::ENSURE )
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else if( aAssert.getType() == Assertion::CHECK )
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cerr << "( " << aAssert.getWhy() << " )";
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void handleException( ExceptionCref aExcp )
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cerr << aExcp.getFile() << ":" << aExcp.getLine() << ":" <<
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"Exception: " << aExcp.getWhy() << endl;
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Common rcs information do not modify
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$Date: 2000/08/31 22:49:01 $
added
removed
src/testdrivers/ex2/examp2.cpp
