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/* ============================================================================ |
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* Douglas Thrift's Search Engine License |
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* |
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* Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved. |
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* Redistribution and use in source and binary forms, with or without |
| 6 |
* modification, are permitted provided that the following conditions are met: |
| 7 |
* |
| 8 |
* 1. Redistributions of source code must retain the above copyright notice, |
| 9 |
* this list of conditions and the following disclaimer. |
| 10 |
* |
| 11 |
* 2. Redistributions in binary form must reproduce the above copyright notice, |
| 12 |
* this list of conditions and the following disclaimer in the documentation |
| 13 |
* and/or other materials provided with the distribution. |
| 14 |
* |
| 15 |
* 3. The end-user documentation included with the redistribution, if any, must |
| 16 |
* include the following acknowledgment: |
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* |
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* "This product includes software developed by Douglas Thrift |
| 19 |
* (http://computers.douglasthrift.net/searchengine/)." |
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* |
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* Alternately, this acknowledgment may appear in the software itself, if |
| 22 |
* and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not |
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* be used to endorse or promote products derived from this software without |
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* specific prior written permission. For written permission, please visit |
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* http://www.douglasthrift.net/contact.cgi for contact information. |
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* |
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* 5. Products derived from this software may not be called "Douglas Thrift's |
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* Search Engine", nor may "Douglas Thrift's Search Engine" appear in their |
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* name, without prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 34 |
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 35 |
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 36 |
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 37 |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 38 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 39 |
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 40 |
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 41 |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ============================================================================ |
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*/ |
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// Douglas Thrift's Search Engine Main |
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// |
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// Douglas Thrift |
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// |
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// Search.cpp |
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|
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#include "Search.h" |
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#include "Indexer.h" |
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#include "Searcher.h" |
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#include "Outputer.h" |
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|
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#ifndef _WIN32 |
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#include <sys/utsname.h> |
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#else |
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#include <windows.h> |
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#endif // _WIN32 |
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|
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string program; |
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string programName = "Douglas Thrift's Search Engine"; |
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string programVersion = "1.2alpha"; |
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bool debug = false; |
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|
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int main(int argc, char* argv[]) |
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{ |
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program = argv[0]; |
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|
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bool indexMode = false; |
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string indexURL; |
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set<string> indexDomains; |
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set<string> indexRestrictions; |
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|
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unsigned page = 1; |
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string query; |
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|
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vector<string> indices; |
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|
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string header = "header.html"; |
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string body = "body.html"; |
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string footer = "footer.html"; |
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string notfound = "notfound.html"; |
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string pages = "pages.html"; |
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|
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string email; |
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|
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for (int index = 1; index < argc; index++) |
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{ |
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string arg(argv[index]); |
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|
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if (arg == "-help") |
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{ |
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usage(); |
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return 0; |
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} |
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else if (arg == "-version") |
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{ |
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version(); |
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return 0; |
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} |
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else if (arg == "-license") |
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{ |
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license(); |
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return 0; |
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} |
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else if (arg == "-P") |
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{ |
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if (++index < argc) |
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{ |
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page = strtoul(argv[index],0,0); |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-i") |
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{ |
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indexMode = true; |
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|
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if (++index < argc) |
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{ |
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indexURL = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-d") |
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{ |
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if (++index < argc) |
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{ |
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indexDomains.insert(argv[index]); |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-r") |
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{ |
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if (++index < argc) |
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{ |
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indexRestrictions.insert(argv[index]); |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-h") |
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{ |
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if (++index < argc) |
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{ |
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header = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-b") |
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{ |
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if (++index < argc) |
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{ |
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body = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-f") |
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{ |
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if (++index < argc) |
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{ |
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footer = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-n") |
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{ |
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if (++index < argc) |
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{ |
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notfound = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-p") |
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{ |
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if (++index < argc) |
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{ |
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pages = argv[index]; |
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} |
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else |
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{ |
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cerr << program << ": Bad arguments\n"; |
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usage(); |
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return 1; |
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} |
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} |
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else if (arg == "-D") |
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{ |
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debug = true; |
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cerr.setf(ios_base::boolalpha); |
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} |
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else |
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{ |
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indices.push_back(arg); |
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} |
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} |
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|
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if (indices.size() < 1) |
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{ |
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usage(); |
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return 0; |
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} |
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|
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if (indexMode) |
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{ |
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if (indices.size() > 1) |
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{ |
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cerr << program << ": Too many indices, can only build one index" |
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<< " at a time\n"; |
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usage(); |
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return 1; |
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} |
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|
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if (indexDomains.size() < 1) |
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{ |
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cerr << program << ": Must specify at least one domain\n"; |
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usage(); |
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return 1; |
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} |
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|
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Indexer indexer(indices[0], indexDomains, indexRestrictions); |
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|
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indexer.index(indexURL); |
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} |
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else |
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{ |
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string line; |
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getline(cin, line); |
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query = line; |
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|
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Searcher searcher(query); |
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|
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searcher.search(indices); |
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|
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Outputer outputer(header, body, footer, notfound, |
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pages); |
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|
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outputer.output(searcher, page < 1 ? page : --page); |
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} |
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|
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return 0; |
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} |
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|
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string agent(bool version) |
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{ |
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string agent = programName + (version ? ('/' + programVersion) : ""); |
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|
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return agent; |
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} |
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|
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string platform() |
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{ |
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string platform; |
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string os; |
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string version; |
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string architecture; |
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string marketing; |
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|
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#ifdef _WIN32 |
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OSVERSIONINFO* computer = new OSVERSIONINFO; |
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computer->dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
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GetVersionEx(computer); |
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|
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os = computer->dwPlatformId == VER_PLATFORM_WIN32_NT ? "Windows NT" : |
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"Windows"; |
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unsigned major = computer->dwMajorVersion; |
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unsigned minor = computer->dwMinorVersion; |
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|
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delete computer; |
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|
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SYSTEM_INFO* system = new SYSTEM_INFO; |
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GetSystemInfo(system); |
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|
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switch (system->wProcessorArchitecture) |
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{ |
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case PROCESSOR_ARCHITECTURE_INTEL: |
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architecture = "ix86"; |
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break; |
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case PROCESSOR_ARCHITECTURE_MIPS: |
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architecture = "mips"; |
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break; |
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case PROCESSOR_ARCHITECTURE_ALPHA: |
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architecture = "alpha"; |
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break; |
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case PROCESSOR_ARCHITECTURE_PPC: |
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architecture = "ppc"; |
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break; |
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case PROCESSOR_ARCHITECTURE_IA64: |
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architecture = "ia64"; |
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break; |
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case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64: |
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architecture = "ix86_on_win64"; |
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break; |
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case PROCESSOR_ARCHITECTURE_AMD64: |
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architecture = "amd64"; |
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break; |
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default: |
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architecture = "unknown"; |
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break; |
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} |
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|
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char* cversion = new char[1024]; |
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sprintf(cversion, "%u.%u", major, minor); |
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version = cversion; |
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|
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delete [] cversion; |
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|
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if (major == 4 && minor <= 3 && os != "Windows NT") |
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{ |
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marketing = " [Windows 95]"; |
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} |
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else if (major == 4 && minor == 10 && os != "Windows NT") |
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{ |
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marketing = " [Windows 98]"; |
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} |
| 356 |
else if (major == 5 && minor == 0 && os == "Windows NT") |
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{ |
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marketing = " [Windows 2000]"; |
| 359 |
} |
| 360 |
else if (major == 4 && minor == 90 && os != "Windows NT") |
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{ |
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marketing = " [Windows ME]"; |
| 363 |
} |
| 364 |
else if (major == 5 && minor == 1 && os == "Windows NT") |
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{ |
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marketing = " [Windows XP]"; |
| 367 |
} |
| 368 |
else if (major == 5 && minor == 2 && os == "Windows NT") |
| 369 |
{ |
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marketing = " [Windows .NET Server]"; |
| 371 |
} |
| 372 |
#else // _WIN32 |
| 373 |
struct utsname* computer = new struct utsname; |
| 374 |
uname(computer); |
| 375 |
|
| 376 |
os = computer->sysname; |
| 377 |
version = computer->release; |
| 378 |
architecture = computer->machine; |
| 379 |
|
| 380 |
delete computer; |
| 381 |
#endif // _WIN32 |
| 382 |
|
| 383 |
platform = "(" + os + " " + version + marketing + " " + architecture + ")"; |
| 384 |
|
| 385 |
return platform; |
| 386 |
} |
| 387 |
|
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void usage() |
| 389 |
{ |
| 390 |
#ifdef _WIN32 |
| 391 |
OSVERSIONINFO* computer = new OSVERSIONINFO; |
| 392 |
computer->dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
| 393 |
GetVersionEx(computer); |
| 394 |
|
| 395 |
string program = ::program; |
| 396 |
if (computer->dwPlatformId != VER_PLATFORM_WIN32_NT) |
| 397 |
{ |
| 398 |
program = "Search"; |
| 399 |
} |
| 400 |
|
| 401 |
delete computer; |
| 402 |
#endif // _WIN32 |
| 403 |
|
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string tab(8 + program.length(), ' '); |
| 405 |
|
| 406 |
cout << "Usage: " << program << " [index ...] [-P page] [-h header] [-b bo" |
| 407 |
<< "dy]\n" |
| 408 |
<< tab << "[-f footer] [-n notfound] [-p pages]\n" |
| 409 |
<< tab << "[-i begin] [-d domain ...] [-r restriction ...]\n" |
| 410 |
<< tab << "[-D] [-version] [-help]\n" |
| 411 |
<< "Options:\n" |
| 412 |
<< " index Index file to use (can only use one file for i" |
| 413 |
<< "ndexing)\n" |
| 414 |
<< " -P page Page of search to display (defaults to 1)\n" |
| 415 |
<< " -h header Header template to use (defaults to header.htm" |
| 416 |
<< "l)\n" |
| 417 |
<< " -b body Body template to use (defaults to body.html)\n" |
| 418 |
<< " -f footer Footer template to use (defaults to footer.htm" |
| 419 |
<< "l)\n" |
| 420 |
<< " -n notfound Not found template to use (defaults to notfoun" |
| 421 |
<< "d.html)\n" |
| 422 |
<< " -p pages Pages template to use (defaults to pages.html)" |
| 423 |
<< "\n" |
| 424 |
<< " -i begin URL to begin indexing (causes indexing rather " |
| 425 |
<< "than search)\n" |
| 426 |
<< " -d domain Domain to include in indexing\n" |
| 427 |
<< " -r restriction URL to restrict from indexing\n" |
| 428 |
<< " -D Display debug information\n" |
| 429 |
<< " -version Display version information and exit\n" |
| 430 |
<< " -license Display license information and exit\n" |
| 431 |
<< " -help Display this message and exit\n"; |
| 432 |
} |
| 433 |
|
| 434 |
void version() |
| 435 |
{ |
| 436 |
cout << programName << " " << programVersion << " "<< platform() << "\n\n" |
| 437 |
<< " Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved.\n" |
| 438 |
<< "\n" |
| 439 |
<< " This product includes software developed by Douglas Thrift\n" |
| 440 |
<< " (http://computers.douglasthrift.net/searchengine/).\n"; |
| 441 |
} |
| 442 |
|
| 443 |
void license() |
| 444 |
{ |
| 445 |
cout << "License:\n" |
| 446 |
<< " Douglas Thrift's Search Engine License\n\n" |
| 447 |
<< " Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved.\n" |
| 448 |
<< "\n" |
| 449 |
<< " Redistribution and use in source and binary forms, with or with" |
| 450 |
<< "out\n" |
| 451 |
<< " modification, are permitted provided that the following conditi" |
| 452 |
<< "ons are met:\n\n" |
| 453 |
<< " 1. Redistributions of source code must retain the above copyrig" |
| 454 |
<< "ht notice,\n" |
| 455 |
<< " this list of conditions and the following disclaimer.\n\n" |
| 456 |
<< " 2. Redistributions in binary form must reproduce the above copy" |
| 457 |
<< "right notice,\n" |
| 458 |
<< " this list of conditions and the following disclaimer in the " |
| 459 |
<< "documentation\n" |
| 460 |
<< " and/or other materials provided with the distribution.\n\n" |
| 461 |
<< " 3. The end-user documentation included with the redistribution," |
| 462 |
<< " if any, must\n" |
| 463 |
<< " include the following acknowledgment:\n\n" |
| 464 |
<< " \"This product includes software developed by Douglas Thr" |
| 465 |
<< "ift\n" |
| 466 |
<< " (http://computers.douglasthrift.net/searchengine/).\"\n\n" |
| 467 |
<< " Alternately, this acknowledgment may appear in the software " |
| 468 |
<< "itself, if\n" |
| 469 |
<< " and wherever such third-party acknowledgments normally appea" |
| 470 |
<< "r.\n\n" |
| 471 |
<< " 4. The names \"Douglas Thrift\" and \"Douglas Thrift\'s Search " |
| 472 |
<< "Engine\" must not\n" |
| 473 |
<< " be used to endorse or promote products derived from this sof" |
| 474 |
<< "tware without\n" |
| 475 |
<< " specific prior written permission. For written permission, p" |
| 476 |
<< "lease visit\n" |
| 477 |
<< " http://www.douglasthrift.net/contact.cgi for contact inform" |
| 478 |
<< "ation.\n\n" |
| 479 |
<< " 5. Products derived from this software may not be called \"Doug" |
| 480 |
<< "las Thrift\'s\n" |
| 481 |
<< " Search Engine\", nor may \"Douglas Thrift\'s Search Engine\"" |
| 482 |
<< " appear in their\n" |
| 483 |
<< " name, without prior written permission.\n\n" |
| 484 |
<< " THIS SOFTWARE IS PROVIDED \"AS IS\" AND ANY EXPRESS OR IMPLIED " |
| 485 |
<< "WARRANTIES,\n" |
| 486 |
<< " INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHA" |
| 487 |
<< "NTABILITY AND\n" |
| 488 |
<< " FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SH" |
| 489 |
<< "ALL THE\n" |
| 490 |
<< " COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIR" |
| 491 |
<< "ECT,\n" |
| 492 |
<< " INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU" |
| 493 |
<< "DING, BUT NOT\n" |
| 494 |
<< " LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS O" |
| 495 |
<< "F USE, DATA,\n" |
| 496 |
<< " OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY" |
| 497 |
<< " THEORY OF\n" |
| 498 |
<< " LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCL" |
| 499 |
<< "UDING\n" |
| 500 |
<< " NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF T" |
| 501 |
<< "HIS SOFTWARE,\n" |
| 502 |
<< " EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"; |
| 503 |
} |
| 504 |
|
| 505 |
void entities(string& line, char character, char* entity) |
| 506 |
{ |
| 507 |
int begin = 0; |
| 508 |
|
| 509 |
while (begin < line.length()) |
| 510 |
{ |
| 511 |
int spot = line.find(character, begin); |
| 512 |
|
| 513 |
int end = spot + 1; |
| 514 |
|
| 515 |
if (spot != string::npos) |
| 516 |
{ |
| 517 |
line.replace(spot, 1, entity); |
| 518 |
} |
| 519 |
else |
| 520 |
{ |
| 521 |
break; |
| 522 |
} |
| 523 |
|
| 524 |
begin = end; |
| 525 |
} |
| 526 |
} |
| 527 |
|
| 528 |
void entities(string& line, char* entity, char character) |
| 529 |
{ |
| 530 |
int begin = 0; |
| 531 |
|
| 532 |
while (begin < line.length()) |
| 533 |
{ |
| 534 |
int spot = line.find(entity, begin); |
| 535 |
|
| 536 |
int end = spot + 1; |
| 537 |
|
| 538 |
if (spot != string::npos) |
| 539 |
{ |
| 540 |
line.replace(spot, strlen(entity), 1, character); |
| 541 |
} |
| 542 |
else |
| 543 |
{ |
| 544 |
break; |
| 545 |
} |
| 546 |
|
| 547 |
begin = end; |
| 548 |
} |
| 549 |
} |
| 550 |
|
| 551 |
void normalize(string& abbynormal) |
| 552 |
{ |
| 553 |
for (unsigned index = 0; index < abbynormal.length(); index++) |
| 554 |
{ |
| 555 |
if (isspace(abbynormal[index])) |
| 556 |
{ |
| 557 |
unsigned next = index + 1; |
| 558 |
while (isspace(abbynormal[next])) |
| 559 |
{ |
| 560 |
next++; |
| 561 |
} |
| 562 |
abbynormal.replace(index, next - index, 1, abbynormal[index]); |
| 563 |
} |
| 564 |
} |
| 565 |
|
| 566 |
if (isspace(abbynormal[0])) abbynormal.erase(0, 1); |
| 567 |
if (isspace(abbynormal[abbynormal.length() - 1])) |
| 568 |
abbynormal.erase(abbynormal.length() - 1, 1); |
| 569 |
} |
