trunk/Search/Outputter.cpp

/* ============================================================================
 * Douglas Thrift's Search Engine License
 *
 * Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment:
 *
 *       "This product includes software developed by Douglas Thrift
 *       (http://computers.douglasthrift.net/searchengine/)."
 *
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.  For written permission, please visit
 *    http://www.douglasthrift.net/contact.cgi for contact information.
 *
 * 5. Products derived from this software may not be called "Douglas Thrift's
 *    Search Engine", nor may "Douglas Thrift's Search Engine" appear in their
 *    name, without prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 */
// Douglas Thrift's Search Engine Outputer
//
// Douglas Thrift
//
// $Id: Outputer.cpp,v 1.9 2003/07/17 07:13:45 douglas Exp $

#include "Outputer.h"

Outputer::Outputer(const string& headerFile, const string& bodyFile, const
        string& footerFile, const string& notfoundFile, const string& pagesFile)
{
        this->headerFile = headerFile;
        this->bodyFile = bodyFile;
        this->footerFile = footerFile;
        this->notfoundFile = notfoundFile;
        this->pagesFile = pagesFile;
}

void Outputer::output(Searcher& searcher, unsigned page)
{
        MultiSet pagesSet = searcher.getPages();
        numWebpages = pagesSet.size();
        numPages = (numWebpages + 9) / 10;
        string query = searcher.getQueryString();
        vector<string> common = searcher.getCommonUsed();

        MultiSetIterator itor = pagesSet.begin();

        for (int count = 0; count < page * 10 && itor != pagesSet.end(); count++)
        {
                itor++;
        }

        for (int index = 0; index < 10 && itor != pagesSet.end(); index++, itor++)
        {
                webpages.push_back(*itor);
        }

        this->query = searcher.getQuery().size() > 0;
        results = webpages.size() > 0;
        time = searcher.time();

        if (debug)
        {
                cerr << "query = " << this->query << "\n"
                        << "results = " << results << "\n"
                        << "time = " << duration() << "\n";
        }

        entities(query, '&', "&amp;");
        entities(query, '\"', "&quot;");
        entities(query, '<', "&lt;");
        entities(query, '>', "&gt;");

        string ignore = searcher.getIgnore();

        header(query, page, common, searcher.getAnd(), searcher.getOr(),
                ignore);

        if (results)
        {
                body();
        }
        else if (this->query)
        {
                notfound(query, searcher.getQuery().size());
        }

        footer(query, page, common, searcher.getAnd(), searcher.getOr(),
                ignore);
}

void Outputer::header(const string& query, unsigned page, vector<string>
        common, bool and_, bool or_, const string& ignore)
{
        ifstream fin(headerFile.c_str());

        string line;
        while (fin.good())
        {
                getline(fin, line);

                conditional(line, fin, "<?ifquery?>", this->query);
                conditional(line, fin, "<?ifresults?>", results);
                conditional(line, fin, "<?ifor?>", or_);
                conditional(line, fin, "<?ifand?>", and_);
                conditional(line, fin, "<?ifignore?>", ignore != "");
                conditional(line, fin, "<?ifcommon?>", common.size() == 1);
                conditional(line, fin, "<?ifmanycommon?>", common.size() > 1);

#ifndef _OpenSSL_
                tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
                        platform());
#else
                tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
                        platform() + ' ' + openssl(true));
#endif
                tag(line, "<?query?>", query);
                tag(line, "<?range?>", range(page));
                tag(line, "<?total?>", total());
                tag(line, "<?time?>", duration());
                tag(line, "<?pages?>", pages(query, page));
                tag(line, "<?ignore?>", ignore);
                tag(line, "<?common?>", common[0]);
                tag(line, "<?manycommon?>", manycommon(common));

                cout << line << (fin.good() ? "\n" : "");
        }

        fin.close();
}

void Outputer::body()
{
        for (int index = 0; index < webpages.size(); index++)
        {
                Ranker webpage = webpages[index];
                string title = webpage.getTitle();
                if (title == "")
                {
                        title = webpage.getURL();
                        entities(title, '&', "&amp;");
                        entities(title, '\"', "&quot;");
                        entities(title, '<', "&lt;");
                        entities(title, '>', "&gt;");
                }
                string address = webpage.getURL();
                string sample = webpage.getSample();
                string description = webpage.getDescription();

                char* csize = new char[1024];
                sprintf(csize, "%.0fk", (double(webpage.getSize()) / double(1024)));

                string size = csize;

                delete [] csize;

                entities(address, '&', "&amp;");
                entities(address, '\"', "&quot;");
                entities(address, '<', "&lt;");
                entities(address, '>', "&gt;");

                ifstream fin(bodyFile.c_str());

                string line;
                while (fin.good())
                {
                        getline(fin, line);

                        conditional(line, fin, "<?ifdescription?>", description != "");

                        tag(line, "<?address?>", address);
                        tag(line, "<?title?>", title);
                        tag(line, "<?sample?>", sample);
                        tag(line, "<?description?>", description);
                        tag(line, "<?size?>", size);

                        cout << line << (fin.good() ? "\n" : "");
                }

                fin.close();
        }
}

void Outputer::footer(const string& query, unsigned page, vector<string>
        common, bool and_, bool or_, const string& ignore)
{
        ifstream fin(footerFile.c_str());

        string line;
        while (fin.good())
        {
                getline(fin, line);

                conditional(line, fin, "<?ifquery?>", this->query);
                conditional(line, fin, "<?ifresults?>", results);
                conditional(line, fin, "<?ifor?>", or_);
                conditional(line, fin, "<?ifand?>", and_);
                conditional(line, fin, "<?ifignore?>", ignore != "");
                conditional(line, fin, "<?ifcommon?>", common.size() == 1);
                conditional(line, fin, "<?ifmanycommon?>", common.size() > 1);

#ifndef _OpenSSL_
                tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
                        platform());
#else
                tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
                        platform() + ' ' + openssl(true));
#endif
                tag(line, "<?query?>", query);
                tag(line, "<?range?>", range(page));
                tag(line, "<?total?>", total());
                tag(line, "<?time?>", duration());
                tag(line, "<?pages?>", pages(query, page));
                tag(line, "<?ignore?>", ignore);
                tag(line, "<?common?>", common[0]);
                tag(line, "<?manycommon?>", manycommon(common));

                cout << line << (fin.good() ? "\n" : "");
        }

        fin.close();
}

void Outputer::notfound(const string& query, unsigned keywords)
{
        ifstream fin(notfoundFile.c_str());

        string line;
        while (fin.good())
        {
                getline(fin, line);

                conditional(line, fin, "<?ifmany?>", keywords > 1);

                tag(line, "<?query?>", query);

                cout << line << (fin.good() ? "\n" : "");
        }

        fin.close();
}

string Outputer::pages(string query, unsigned page)
{
        entities(query, "&lt;", '<');
        entities(query, "&gt;", '>');
        entities(query, "&quot;", '\"');
        entities(query, "&amp;", '&');

        entities(query, '%', "%25");
        entities(query, '\t', "%09");
        entities(query, ' ', "%20");
        entities(query, '\"', "%22");
        entities(query, '#', "%23");
        entities(query, '$', "%24");
        entities(query, '&', "%26");
        entities(query, '\'', "%27");
        entities(query, '+', "%2B");
        entities(query, ',', "%2C");
        entities(query, '/', "%2F");
        entities(query, ':', "%3A");
        entities(query, ';', "%3B");
        entities(query, '<', "%3C");
        entities(query, '=', "%3D");
        entities(query, '>', "%3E");
        entities(query, '?', "%3F");
        entities(query, '@', "%40");
        entities(query, '[', "%5B");
        entities(query, ']', "%5D");
        entities(query, '\\', "%5C");
        entities(query, '^', "%5E");
        entities(query, '`', "%60");
        entities(query, '{', "%7B");
        entities(query, '|', "%7C");
        entities(query, '}', "%7D");
        entities(query, '~', "%7E");

        string lines;

        ifstream fin(pagesFile.c_str());

        string line;
        while (fin.good())
        {
                getline(fin, line);
                conditional(line, fin, "<?ifprevious?>", page >= 1);
                conditional(line, fin, "<?ifpage?>", false);
                conditional(line, fin, "<?ifnum?>", false);
                conditional(line, fin, "<?ifnext?>", false);

                char* cprevious = new char[1024];

                sprintf(cprevious, "%u", page);

                string previous = cprevious;

                delete [] cprevious;

                tag(line, "<?query?>", query);
                tag(line, "<?previous?>", previous);

                lines += line + (fin.good() ? "\n" : "");
        }

        fin.close();
        fin.clear();

        for (int index = 0; index < numPages; index++)
        {
                fin.open(pagesFile.c_str());

                while (fin.good())
                {
                        getline(fin, line);
                        if (index == page)
                        {
                                conditional(line, fin, "<?ifprevious?>", false);
                                conditional(line, fin, "<?ifpage?>", true);
                                conditional(line, fin, "<?ifnum?>", false);
                                conditional(line, fin, "<?ifnext?>", false);

                                char* cpage = new char[1024];

                                sprintf(cpage, "%u", (index + 1));

                                string spage = cpage;

                                delete [] cpage;

                                tag(line, "<?page?>", spage);
                        }
                        else
                        {
                                conditional(line, fin, "<?ifprevious?>", false);
                                conditional(line, fin, "<?ifpage?>", false);
                                conditional(line, fin, "<?ifnum?>", true);
                                conditional(line, fin, "<?ifnext?>", false);

                                char* cnum = new char[1024];

                                sprintf(cnum, "%u", (index + 1));

                                string num = cnum;

                                delete [] cnum;

                                tag(line, "<?query?>", query);
                                tag(line, "<?num?>", num);
                        }

                        lines += line + (fin.good() ? "\n" : "");
                }

                fin.close();
                fin.clear();
        }

        fin.open(pagesFile.c_str());

        while (fin.good())
        {
                getline(fin, line);
                conditional(line, fin, "<?ifprevious?>", false);
                conditional(line, fin, "<?ifpage?>", false);
                conditional(line, fin, "<?ifnum?>", false);
                conditional(line, fin, "<?ifnext?>", page + 2 <= numPages);

                char* cnext = new char[1024];

                sprintf(cnext, "%u", (page + 2));

                string next = cnext;

                delete [] cnext;

                tag(line, "<?query?>", query);
                tag(line, "<?next?>", next);

                lines += line + (fin.good() ? "\n" : "");
        }

        fin.close();

        return lines;
}

string Outputer::range(unsigned page)
{
        unsigned bottom = page * 10 + 1;
        unsigned top = numWebpages > page * 10 + 10 ? page * 10 + 10 : numWebpages;

        char* cbottom = new char[1024];
        char* ctop = new char[1024];

        sprintf(cbottom, "%u", bottom);
        sprintf(ctop, "%u", top);

        string range = string(cbottom) + " - " + ctop;

        delete [] cbottom;
        delete [] ctop;

        return range;
}

string Outputer::total()
{
        char* ctotal = new char[1024];

        sprintf(ctotal, "%u", numWebpages);

        string total = ctotal;

        delete [] ctotal;

        return total;
}

string Outputer::duration()
{
        char* ctime = new char[1024];
        sprintf(ctime, "%.2f", time);

        string duration = ctime;

        delete [] ctime;

        return duration;
}

string Outputer::manycommon(vector<string> common)
{
        string line;

        for (int index = 0; index < common.size(); index++)
        {
                line += common[index];

                if (index != common.size() - 1) line += ' ';
        }

        return line;
}

void Outputer::tag(string& line, char* tag, const string& replacement)
{
        int begin = 0;
        while (begin < line.length())
        {
                int spot = line.find(tag, begin);

                if (spot != string::npos)
                {
                        line.replace(spot, strlen(tag), replacement);
                }
                else
                {
                        break;
                }

                begin = spot + replacement.length();
        }
}

void Outputer::conditional(string& line, ifstream& fin, char* tag, bool
        condition)
{
        unsigned begin = 0;
        while (begin < line.length())
        {
                unsigned start = line.find(tag, begin);
                unsigned finish = line.find("<?endif?>", start);

                if (start == string::npos) break;

                string next;
                while (finish == string::npos)
                {
                        getline(fin, next);
                        line += '\n' + next;
                        finish = line.find("<?endif?>", start);
                }

                if (condition)
                {
                        line.erase(start, strlen(tag));
                        line.erase(finish - strlen(tag), 9);

                        begin = finish - strlen(tag) - 9;
                }
                else
                {
                        line.erase(start, finish - start + 9);

                        begin = start;
                }
        }
}
Revision:	206
Committed:	2003-07-17T00:13:45-07:00 (21 years, 11 months ago) by douglas
Original Path:	*trunk/Search/Outputer.cpp*
File size:	13040 byte(s)
Log Message:	Oops, I guess I need to add openssl() to both tag evaluators!
#	User	Rev	Content
1	douglas	1	/* ============================================================================
2			* Douglas Thrift's Search Engine License
3			*
4	douglas	28	* Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved.
5	douglas	1	* 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:
17			*
18			* "This product includes software developed by Douglas Thrift
19			* (http://computers.douglasthrift.net/searchengine/)."
20			*
21			* Alternately, this acknowledgment may appear in the software itself, if
22			* and wherever such third-party acknowledgments normally appear.
23			*
24			* 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not
25			* be used to endorse or promote products derived from this software without
26			* specific prior written permission. For written permission, please visit
27			* http://www.douglasthrift.net/contact.cgi for contact information.
28			*
29			* 5. Products derived from this software may not be called "Douglas Thrift's
30			* Search Engine", nor may "Douglas Thrift's Search Engine" appear in their
31			* name, without prior written permission.
32			*
33			* 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,
42			* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43			* ============================================================================
44			*/
45			// Douglas Thrift's Search Engine Outputer
46			//
47			// Douglas Thrift
48			//
49	douglas	206	// $Id: Outputer.cpp,v 1.9 2003/07/17 07:13:45 douglas Exp $
50	douglas	1
51			#include "Outputer.h"
52
53	douglas	28	Outputer::Outputer(const string& headerFile, const string& bodyFile, const
54	douglas	15	string& footerFile, const string& notfoundFile, const string& pagesFile)
55	douglas	1	{
56			this->headerFile = headerFile;
57			this->bodyFile = bodyFile;
58			this->footerFile = footerFile;
59			this->notfoundFile = notfoundFile;
60			this->pagesFile = pagesFile;
61			}
62
63			void Outputer::output(Searcher& searcher, unsigned page)
64			{
65			MultiSet pagesSet = searcher.getPages();
66			numWebpages = pagesSet.size();
67			numPages = (numWebpages + 9) / 10;
68			string query = searcher.getQueryString();
69			vector<string> common = searcher.getCommonUsed();
70
71			MultiSetIterator itor = pagesSet.begin();
72
73			for (int count = 0; count < page * 10 && itor != pagesSet.end(); count++)
74			{
75			itor++;
76			}
77
78			for (int index = 0; index < 10 && itor != pagesSet.end(); index++, itor++)
79			{
80			webpages.push_back(*itor);
81			}
82
83			this->query = searcher.getQuery().size() > 0;
84			results = webpages.size() > 0;
85			time = searcher.time();
86
87			if (debug)
88			{
89	douglas	183	cerr << "query = " << this->query << "\n"
90			<< "results = " << results << "\n"
91	douglas	1	<< "time = " << duration() << "\n";
92			}
93
94			entities(query, '&', "&");
95			entities(query, '\"', """);
96			entities(query, '<', "<");
97			entities(query, '>', ">");
98
99			string ignore = searcher.getIgnore();
100
101			header(query, page, common, searcher.getAnd(), searcher.getOr(),
102			ignore);
103
104			if (results)
105			{
106			body();
107			}
108			else if (this->query)
109			{
110			notfound(query, searcher.getQuery().size());
111			}
112
113			footer(query, page, common, searcher.getAnd(), searcher.getOr(),
114			ignore);
115			}
116
117	douglas	15	void Outputer::header(const string& query, unsigned page, vector<string>
118			common, bool and_, bool or_, const string& ignore)
119	douglas	1	{
120			ifstream fin(headerFile.c_str());
121
122			string line;
123			while (fin.good())
124			{
125			getline(fin, line);
126
127			conditional(line, fin, "<?ifquery?>", this->query);
128			conditional(line, fin, "<?ifresults?>", results);
129			conditional(line, fin, "<?ifor?>", or_);
130			conditional(line, fin, "<?ifand?>", and_);
131			conditional(line, fin, "<?ifignore?>", ignore != "");
132			conditional(line, fin, "<?ifcommon?>", common.size() == 1);
133			conditional(line, fin, "<?ifmanycommon?>", common.size() > 1);
134
135	douglas	206	#ifndef _OpenSSL_
136	douglas	43	tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
137			platform());
138	douglas	206	#else
139			tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
140			platform() + ' ' + openssl(true));
141			#endif
142	douglas	1	tag(line, "<?query?>", query);
143	douglas	15	tag(line, "<?range?>", range(page));
144			tag(line, "<?total?>", total());
145			tag(line, "<?time?>", duration());
146			tag(line, "<?pages?>", pages(query, page));
147	douglas	1	tag(line, "<?ignore?>", ignore);
148			tag(line, "<?common?>", common[0]);
149	douglas	15	tag(line, "<?manycommon?>", manycommon(common));
150	douglas	1
151	douglas	30	cout << line << (fin.good() ? "\n" : "");
152	douglas	1	}
153
154			fin.close();
155			}
156
157			void Outputer::body()
158			{
159			for (int index = 0; index < webpages.size(); index++)
160			{
161			Ranker webpage = webpages[index];
162			string title = webpage.getTitle();
163			if (title == "")
164			{
165			title = webpage.getURL();
166			entities(title, '&', "&");
167			entities(title, '\"', """);
168			entities(title, '<', "<");
169			entities(title, '>', ">");
170			}
171			string address = webpage.getURL();
172			string sample = webpage.getSample();
173			string description = webpage.getDescription();
174
175			char* csize = new char[1024];
176			sprintf(csize, "%.0fk", (double(webpage.getSize()) / double(1024)));
177
178			string size = csize;
179
180			delete [] csize;
181
182			entities(address, '&', "&");
183			entities(address, '\"', """);
184			entities(address, '<', "<");
185			entities(address, '>', ">");
186
187			ifstream fin(bodyFile.c_str());
188
189			string line;
190			while (fin.good())
191			{
192			getline(fin, line);
193
194			conditional(line, fin, "<?ifdescription?>", description != "");
195
196			tag(line, "<?address?>", address);
197			tag(line, "<?title?>", title);
198			tag(line, "<?sample?>", sample);
199			tag(line, "<?description?>", description);
200			tag(line, "<?size?>", size);
201
202	douglas	30	cout << line << (fin.good() ? "\n" : "");
203	douglas	1	}
204
205			fin.close();
206			}
207			}
208
209	douglas	15	void Outputer::footer(const string& query, unsigned page, vector<string>
210			common, bool and_, bool or_, const string& ignore)
211	douglas	1	{
212			ifstream fin(footerFile.c_str());
213
214			string line;
215			while (fin.good())
216			{
217			getline(fin, line);
218
219			conditional(line, fin, "<?ifquery?>", this->query);
220			conditional(line, fin, "<?ifresults?>", results);
221			conditional(line, fin, "<?ifor?>", or_);
222			conditional(line, fin, "<?ifand?>", and_);
223			conditional(line, fin, "<?ifignore?>", ignore != "");
224			conditional(line, fin, "<?ifcommon?>", common.size() == 1);
225			conditional(line, fin, "<?ifmanycommon?>", common.size() > 1);
226
227	douglas	205	#ifndef _OpenSSL_
228	douglas	43	tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
229			platform());
230	douglas	205	#else
231			tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
232	douglas	206	platform() + ' ' + openssl(true));
233	douglas	205	#endif
234	douglas	1	tag(line, "<?query?>", query);
235	douglas	15	tag(line, "<?range?>", range(page));
236			tag(line, "<?total?>", total());
237			tag(line, "<?time?>", duration());
238			tag(line, "<?pages?>", pages(query, page));
239	douglas	1	tag(line, "<?ignore?>", ignore);
240			tag(line, "<?common?>", common[0]);
241	douglas	15	tag(line, "<?manycommon?>", manycommon(common));
242	douglas	1
243	douglas	30	cout << line << (fin.good() ? "\n" : "");
244	douglas	1	}
245
246			fin.close();
247			}
248
249	douglas	15	void Outputer::notfound(const string& query, unsigned keywords)
250	douglas	1	{
251			ifstream fin(notfoundFile.c_str());
252
253			string line;
254			while (fin.good())
255			{
256			getline(fin, line);
257
258			conditional(line, fin, "<?ifmany?>", keywords > 1);
259
260			tag(line, "<?query?>", query);
261
262	douglas	30	cout << line << (fin.good() ? "\n" : "");
263	douglas	1	}
264
265			fin.close();
266			}
267
268			string Outputer::pages(string query, unsigned page)
269			{
270			entities(query, "<", '<');
271			entities(query, ">", '>');
272			entities(query, """, '\"');
273			entities(query, "&", '&');
274
275			entities(query, '%', "%25");
276			entities(query, '\t', "%09");
277			entities(query, ' ', "%20");
278			entities(query, '\"', "%22");
279			entities(query, '#', "%23");
280			entities(query, '$', "%24");
281			entities(query, '&', "%26");
282			entities(query, '\'', "%27");
283			entities(query, '+', "%2B");
284			entities(query, ',', "%2C");
285			entities(query, '/', "%2F");
286			entities(query, ':', "%3A");
287			entities(query, ';', "%3B");
288			entities(query, '<', "%3C");
289			entities(query, '=', "%3D");
290			entities(query, '>', "%3E");
291			entities(query, '?', "%3F");
292			entities(query, '@', "%40");
293			entities(query, '[', "%5B");
294			entities(query, ']', "%5D");
295			entities(query, '\\', "%5C");
296			entities(query, '^', "%5E");
297			entities(query, '`', "%60");
298			entities(query, '{', "%7B");
299			entities(query, '\|', "%7C");
300			entities(query, '}', "%7D");
301			entities(query, '~', "%7E");
302
303			string lines;
304
305			ifstream fin(pagesFile.c_str());
306
307			string line;
308			while (fin.good())
309			{
310			getline(fin, line);
311			conditional(line, fin, "<?ifprevious?>", page >= 1);
312			conditional(line, fin, "<?ifpage?>", false);
313			conditional(line, fin, "<?ifnum?>", false);
314			conditional(line, fin, "<?ifnext?>", false);
315
316			char* cprevious = new char[1024];
317
318			sprintf(cprevious, "%u", page);
319
320			string previous = cprevious;
321
322			delete [] cprevious;
323
324			tag(line, "<?query?>", query);
325			tag(line, "<?previous?>", previous);
326
327	douglas	30	lines += line + (fin.good() ? "\n" : "");
328	douglas	1	}
329
330			fin.close();
331			fin.clear();
332
333			for (int index = 0; index < numPages; index++)
334			{
335			fin.open(pagesFile.c_str());
336
337			while (fin.good())
338			{
339			getline(fin, line);
340			if (index == page)
341			{
342			conditional(line, fin, "<?ifprevious?>", false);
343			conditional(line, fin, "<?ifpage?>", true);
344			conditional(line, fin, "<?ifnum?>", false);
345			conditional(line, fin, "<?ifnext?>", false);
346
347			char* cpage = new char[1024];
348
349			sprintf(cpage, "%u", (index + 1));
350
351			string spage = cpage;
352
353			delete [] cpage;
354
355			tag(line, "<?page?>", spage);
356			}
357			else
358			{
359			conditional(line, fin, "<?ifprevious?>", false);
360			conditional(line, fin, "<?ifpage?>", false);
361			conditional(line, fin, "<?ifnum?>", true);
362			conditional(line, fin, "<?ifnext?>", false);
363
364			char* cnum = new char[1024];
365
366			sprintf(cnum, "%u", (index + 1));
367
368			string num = cnum;
369
370			delete [] cnum;
371
372			tag(line, "<?query?>", query);
373			tag(line, "<?num?>", num);
374			}
375
376	douglas	30	lines += line + (fin.good() ? "\n" : "");
377	douglas	1	}
378
379			fin.close();
380			fin.clear();
381			}
382
383			fin.open(pagesFile.c_str());
384
385			while (fin.good())
386			{
387			getline(fin, line);
388			conditional(line, fin, "<?ifprevious?>", false);
389			conditional(line, fin, "<?ifpage?>", false);
390			conditional(line, fin, "<?ifnum?>", false);
391			conditional(line, fin, "<?ifnext?>", page + 2 <= numPages);
392
393			char* cnext = new char[1024];
394
395			sprintf(cnext, "%u", (page + 2));
396
397			string next = cnext;
398
399			delete [] cnext;
400
401			tag(line, "<?query?>", query);
402			tag(line, "<?next?>", next);
403
404	douglas	30	lines += line + (fin.good() ? "\n" : "");
405	douglas	1	}
406
407			fin.close();
408
409			return lines;
410			}
411
412			string Outputer::range(unsigned page)
413			{
414			unsigned bottom = page * 10 + 1;
415			unsigned top = numWebpages > page * 10 + 10 ? page * 10 + 10 : numWebpages;
416
417			char* cbottom = new char[1024];
418			char* ctop = new char[1024];
419
420			sprintf(cbottom, "%u", bottom);
421			sprintf(ctop, "%u", top);
422
423			string range = string(cbottom) + " - " + ctop;
424
425			delete [] cbottom;
426			delete [] ctop;
427
428			return range;
429			}
430
431			string Outputer::total()
432			{
433			char* ctotal = new char[1024];
434
435			sprintf(ctotal, "%u", numWebpages);
436
437			string total = ctotal;
438
439			delete [] ctotal;
440
441			return total;
442			}
443
444			string Outputer::duration()
445			{
446			char* ctime = new char[1024];
447			sprintf(ctime, "%.2f", time);
448
449			string duration = ctime;
450
451			delete [] ctime;
452
453			return duration;
454			}
455
456			string Outputer::manycommon(vector<string> common)
457			{
458			string line;
459
460			for (int index = 0; index < common.size(); index++)
461			{
462			line += common[index];
463
464			if (index != common.size() - 1) line += ' ';
465			}
466
467			return line;
468			}
469
470	douglas	15	void Outputer::tag(string& line, char* tag, const string& replacement)
471	douglas	1	{
472			int begin = 0;
473			while (begin < line.length())
474			{
475			int spot = line.find(tag, begin);
476
477			if (spot != string::npos)
478			{
479			line.replace(spot, strlen(tag), replacement);
480			}
481			else
482			{
483			break;
484			}
485
486			begin = spot + replacement.length();
487			}
488			}
489
490			void Outputer::conditional(string& line, ifstream& fin, char* tag, bool
491			condition)
492			{
493			unsigned begin = 0;
494			while (begin < line.length())
495			{
496			unsigned start = line.find(tag, begin);
497			unsigned finish = line.find("<?endif?>", start);
498
499			if (start == string::npos) break;
500
501			string next;
502			while (finish == string::npos)
503			{
504			getline(fin, next);
505			line += '\n' + next;
506			finish = line.find("<?endif?>", start);
507			}
508
509			if (condition)
510			{
511			line.erase(start, strlen(tag));
512			line.erase(finish - strlen(tag), 9);
513
514			begin = finish - strlen(tag) - 9;
515			}
516			else
517			{
518			line.erase(start, finish - start + 9);
519
520			begin = start;
521			}
522			}
523			}