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 1.8 2003/07/17 07:03:08 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);

                tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
                        platform());
                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());
#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:	205
Committed:	2003-07-17T00:03:08-07:00 (21 years, 11 months ago) by douglas
Original Path:	*trunk/Search/Outputer.cpp*
File size:	12897 byte(s)
Log Message:	Moved openssl() to Search.h and fixed <?version?> tag to use it.
#	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	205	// $Id: Outputer.cpp,v 1.8 2003/07/17 07:03:08 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	43	tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
136			platform());
137	douglas	1	tag(line, "<?query?>", query);
138	douglas	15	tag(line, "<?range?>", range(page));
139			tag(line, "<?total?>", total());
140			tag(line, "<?time?>", duration());
141			tag(line, "<?pages?>", pages(query, page));
142	douglas	1	tag(line, "<?ignore?>", ignore);
143			tag(line, "<?common?>", common[0]);
144	douglas	15	tag(line, "<?manycommon?>", manycommon(common));
145	douglas	1
146	douglas	30	cout << line << (fin.good() ? "\n" : "");
147	douglas	1	}
148
149			fin.close();
150			}
151
152			void Outputer::body()
153			{
154			for (int index = 0; index < webpages.size(); index++)
155			{
156			Ranker webpage = webpages[index];
157			string title = webpage.getTitle();
158			if (title == "")
159			{
160			title = webpage.getURL();
161			entities(title, '&', "&");
162			entities(title, '\"', """);
163			entities(title, '<', "<");
164			entities(title, '>', ">");
165			}
166			string address = webpage.getURL();
167			string sample = webpage.getSample();
168			string description = webpage.getDescription();
169
170			char* csize = new char[1024];
171			sprintf(csize, "%.0fk", (double(webpage.getSize()) / double(1024)));
172
173			string size = csize;
174
175			delete [] csize;
176
177			entities(address, '&', "&");
178			entities(address, '\"', """);
179			entities(address, '<', "<");
180			entities(address, '>', ">");
181
182			ifstream fin(bodyFile.c_str());
183
184			string line;
185			while (fin.good())
186			{
187			getline(fin, line);
188
189			conditional(line, fin, "<?ifdescription?>", description != "");
190
191			tag(line, "<?address?>", address);
192			tag(line, "<?title?>", title);
193			tag(line, "<?sample?>", sample);
194			tag(line, "<?description?>", description);
195			tag(line, "<?size?>", size);
196
197	douglas	30	cout << line << (fin.good() ? "\n" : "");
198	douglas	1	}
199
200			fin.close();
201			}
202			}
203
204	douglas	15	void Outputer::footer(const string& query, unsigned page, vector<string>
205			common, bool and_, bool or_, const string& ignore)
206	douglas	1	{
207			ifstream fin(footerFile.c_str());
208
209			string line;
210			while (fin.good())
211			{
212			getline(fin, line);
213
214			conditional(line, fin, "<?ifquery?>", this->query);
215			conditional(line, fin, "<?ifresults?>", results);
216			conditional(line, fin, "<?ifor?>", or_);
217			conditional(line, fin, "<?ifand?>", and_);
218			conditional(line, fin, "<?ifignore?>", ignore != "");
219			conditional(line, fin, "<?ifcommon?>", common.size() == 1);
220			conditional(line, fin, "<?ifmanycommon?>", common.size() > 1);
221
222	douglas	205	#ifndef _OpenSSL_
223	douglas	43	tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
224			platform());
225	douglas	205	#else
226			tag(line, "<?version?>", programName + ' ' + programVersion + ' ' +
227			platform() + ' ' + openssl());
228			#endif
229	douglas	1	tag(line, "<?query?>", query);
230	douglas	15	tag(line, "<?range?>", range(page));
231			tag(line, "<?total?>", total());
232			tag(line, "<?time?>", duration());
233			tag(line, "<?pages?>", pages(query, page));
234	douglas	1	tag(line, "<?ignore?>", ignore);
235			tag(line, "<?common?>", common[0]);
236	douglas	15	tag(line, "<?manycommon?>", manycommon(common));
237	douglas	1
238	douglas	30	cout << line << (fin.good() ? "\n" : "");
239	douglas	1	}
240
241			fin.close();
242			}
243
244	douglas	15	void Outputer::notfound(const string& query, unsigned keywords)
245	douglas	1	{
246			ifstream fin(notfoundFile.c_str());
247
248			string line;
249			while (fin.good())
250			{
251			getline(fin, line);
252
253			conditional(line, fin, "<?ifmany?>", keywords > 1);
254
255			tag(line, "<?query?>", query);
256
257	douglas	30	cout << line << (fin.good() ? "\n" : "");
258	douglas	1	}
259
260			fin.close();
261			}
262
263			string Outputer::pages(string query, unsigned page)
264			{
265			entities(query, "<", '<');
266			entities(query, ">", '>');
267			entities(query, """, '\"');
268			entities(query, "&", '&');
269
270			entities(query, '%', "%25");
271			entities(query, '\t', "%09");
272			entities(query, ' ', "%20");
273			entities(query, '\"', "%22");
274			entities(query, '#', "%23");
275			entities(query, '$', "%24");
276			entities(query, '&', "%26");
277			entities(query, '\'', "%27");
278			entities(query, '+', "%2B");
279			entities(query, ',', "%2C");
280			entities(query, '/', "%2F");
281			entities(query, ':', "%3A");
282			entities(query, ';', "%3B");
283			entities(query, '<', "%3C");
284			entities(query, '=', "%3D");
285			entities(query, '>', "%3E");
286			entities(query, '?', "%3F");
287			entities(query, '@', "%40");
288			entities(query, '[', "%5B");
289			entities(query, ']', "%5D");
290			entities(query, '\\', "%5C");
291			entities(query, '^', "%5E");
292			entities(query, '`', "%60");
293			entities(query, '{', "%7B");
294			entities(query, '\|', "%7C");
295			entities(query, '}', "%7D");
296			entities(query, '~', "%7E");
297
298			string lines;
299
300			ifstream fin(pagesFile.c_str());
301
302			string line;
303			while (fin.good())
304			{
305			getline(fin, line);
306			conditional(line, fin, "<?ifprevious?>", page >= 1);
307			conditional(line, fin, "<?ifpage?>", false);
308			conditional(line, fin, "<?ifnum?>", false);
309			conditional(line, fin, "<?ifnext?>", false);
310
311			char* cprevious = new char[1024];
312
313			sprintf(cprevious, "%u", page);
314
315			string previous = cprevious;
316
317			delete [] cprevious;
318
319			tag(line, "<?query?>", query);
320			tag(line, "<?previous?>", previous);
321
322	douglas	30	lines += line + (fin.good() ? "\n" : "");
323	douglas	1	}
324
325			fin.close();
326			fin.clear();
327
328			for (int index = 0; index < numPages; index++)
329			{
330			fin.open(pagesFile.c_str());
331
332			while (fin.good())
333			{
334			getline(fin, line);
335			if (index == page)
336			{
337			conditional(line, fin, "<?ifprevious?>", false);
338			conditional(line, fin, "<?ifpage?>", true);
339			conditional(line, fin, "<?ifnum?>", false);
340			conditional(line, fin, "<?ifnext?>", false);
341
342			char* cpage = new char[1024];
343
344			sprintf(cpage, "%u", (index + 1));
345
346			string spage = cpage;
347
348			delete [] cpage;
349
350			tag(line, "<?page?>", spage);
351			}
352			else
353			{
354			conditional(line, fin, "<?ifprevious?>", false);
355			conditional(line, fin, "<?ifpage?>", false);
356			conditional(line, fin, "<?ifnum?>", true);
357			conditional(line, fin, "<?ifnext?>", false);
358
359			char* cnum = new char[1024];
360
361			sprintf(cnum, "%u", (index + 1));
362
363			string num = cnum;
364
365			delete [] cnum;
366
367			tag(line, "<?query?>", query);
368			tag(line, "<?num?>", num);
369			}
370
371	douglas	30	lines += line + (fin.good() ? "\n" : "");
372	douglas	1	}
373
374			fin.close();
375			fin.clear();
376			}
377
378			fin.open(pagesFile.c_str());
379
380			while (fin.good())
381			{
382			getline(fin, line);
383			conditional(line, fin, "<?ifprevious?>", false);
384			conditional(line, fin, "<?ifpage?>", false);
385			conditional(line, fin, "<?ifnum?>", false);
386			conditional(line, fin, "<?ifnext?>", page + 2 <= numPages);
387
388			char* cnext = new char[1024];
389
390			sprintf(cnext, "%u", (page + 2));
391
392			string next = cnext;
393
394			delete [] cnext;
395
396			tag(line, "<?query?>", query);
397			tag(line, "<?next?>", next);
398
399	douglas	30	lines += line + (fin.good() ? "\n" : "");
400	douglas	1	}
401
402			fin.close();
403
404			return lines;
405			}
406
407			string Outputer::range(unsigned page)
408			{
409			unsigned bottom = page * 10 + 1;
410			unsigned top = numWebpages > page * 10 + 10 ? page * 10 + 10 : numWebpages;
411
412			char* cbottom = new char[1024];
413			char* ctop = new char[1024];
414
415			sprintf(cbottom, "%u", bottom);
416			sprintf(ctop, "%u", top);
417
418			string range = string(cbottom) + " - " + ctop;
419
420			delete [] cbottom;
421			delete [] ctop;
422
423			return range;
424			}
425
426			string Outputer::total()
427			{
428			char* ctotal = new char[1024];
429
430			sprintf(ctotal, "%u", numWebpages);
431
432			string total = ctotal;
433
434			delete [] ctotal;
435
436			return total;
437			}
438
439			string Outputer::duration()
440			{
441			char* ctime = new char[1024];
442			sprintf(ctime, "%.2f", time);
443
444			string duration = ctime;
445
446			delete [] ctime;
447
448			return duration;
449			}
450
451			string Outputer::manycommon(vector<string> common)
452			{
453			string line;
454
455			for (int index = 0; index < common.size(); index++)
456			{
457			line += common[index];
458
459			if (index != common.size() - 1) line += ' ';
460			}
461
462			return line;
463			}
464
465	douglas	15	void Outputer::tag(string& line, char* tag, const string& replacement)
466	douglas	1	{
467			int begin = 0;
468			while (begin < line.length())
469			{
470			int spot = line.find(tag, begin);
471
472			if (spot != string::npos)
473			{
474			line.replace(spot, strlen(tag), replacement);
475			}
476			else
477			{
478			break;
479			}
480
481			begin = spot + replacement.length();
482			}
483			}
484
485			void Outputer::conditional(string& line, ifstream& fin, char* tag, bool
486			condition)
487			{
488			unsigned begin = 0;
489			while (begin < line.length())
490			{
491			unsigned start = line.find(tag, begin);
492			unsigned finish = line.find("<?endif?>", start);
493
494			if (start == string::npos) break;
495
496			string next;
497			while (finish == string::npos)
498			{
499			getline(fin, next);
500			line += '\n' + next;
501			finish = line.find("<?endif?>", start);
502			}
503
504			if (condition)
505			{
506			line.erase(start, strlen(tag));
507			line.erase(finish - strlen(tag), 9);
508
509			begin = finish - strlen(tag) - 9;
510			}
511			else
512			{
513			line.erase(start, finish - start + 9);
514
515			begin = start;
516			}
517			}
518			}