main1.cpp
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上传日期:2022-06-29
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书籍源码
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Visual C++
- /*
- * This file contains code from "C++ Primer, Fourth Edition", by Stanley B.
- * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the
- * copyright and warranty notices given in that book:
- *
- * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo."
- *
- *
- * "The authors and publisher have taken care in the preparation of this book,
- * but make no expressed or implied warranty of any kind and assume no
- * responsibility for errors or omissions. No liability is assumed for
- * incidental or consequential damages in connection with or arising out of the
- * use of the information or programs contained herein."
- *
- * Permission is granted for this code to be used for educational purposes in
- * association with the book, given proper citation if and when posted or
- * reproduced.Any commercial use of this code requires the explicit written
- * permission of the publisher, Addison-Wesley Professional, a division of
- * Pearson Education, Inc. Send your request for permission, stating clearly
- * what code you would like to use, and in what specific way, to the following
- * address:
- *
- * Pearson Education, Inc.
- * Rights and Contracts Department
- * 75 Arlington Street, Suite 300
- * Boston, MA 02216
- * Fax: (617) 848-7047
- */
- #include "Query.h"
- #include "TextQuery.h"
- #include <string>
- #include <vector>
- #include <set>
- #include <iostream>
- using std::set;
- using std::string;
- using std::cout;
- using std::endl;
- int main(int, char **argv)
- {
- // get a file to read and builds map to support queries
- TextQuery file = build_textfile(argv[1]);
- // iterate with the user: prompt for a word to find and print results
- string sought;
- do {
- if (!get_word(sought)) break;
- // find all the occurrences of the requested string
- Query name(sought);
- const set<TextQuery::line_no> locs = name.eval(file);
- cout << "nExecuted Query for: " << name << endl;
- // report no matches
- print_results(locs, file);
- } while (true); // loop indefinitely; the exit is inside the loop
- return 0;
- }