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root/repos/FeepingCreaturism/FeepingCreaturism.cpp

Comparing FeepingCreaturism/FeepingCreaturism.cpp (file contents):
Revision 191 by Douglas Thrift, 2004-08-20T02:44:20-07:00 vs.
Revision 229 by Douglas Thrift, 2004-09-06T16:50:13-07:00

#	Line 4 | Line 4
4		//
5		// $Id$
6
7	<	#include "FeepingCreaturism.hpp"
7	>	#include "Environment.hpp"
8	>	#include "Matcher.hpp"
9	>	#include "Jargon.hpp"
10	>
11	>	extern "C"
12	>	{
13	>	#include <sys/types.h>
14	>	#include <sys/stat.h>
15	>	#include <fts.h>
16	>	}
17
18		int main(int argc, char* argv[])
19		{
20	+	FeepingCreaturism::program = argv[0];
21	+
22		FeepingCreaturism creaturism;
23
24		return 0;
25		}
26	+
27	+	FeepingCreaturism::FeepingCreaturism()
28	+	{
29	+	initialize();
30	+	parse();
31	+
32	+	ext::String path(env.get("PATH_INFO"));
33	+	Matcher matcher;
34	+
35	+	if (path == matcher("^/daily/(\\d{4}-\\d{2}-\\d{2})?$"))
36	+	{
37	+	daily(matcher.size() > 1 ? matcher[1] : "");
38	+	}
39	+	else if (path == matcher("^/random/(\\d+)?$"))
40	+	{
41	+	random(matcher.size() > 1 ? matcher[1] : "");
42	+	}
43	+	else if (path == matcher("^/(" + this->matcher + ")$"))
44	+	{
45	+	select(matcher[1], true);
46	+	}
47	+	else
48	+	{
49	+	api::Cout << "Location: http://" << env.get("HTTP_HOST")
50	+	<< env.get("SCRIPT_NAME") << "/daily/\r\n\r\n";
51	+	}
52	+	}
53	+
54	+	ext::String FeepingCreaturism::program;
55	+
56	+	bool FeepingCreaturism::CaseLess::operator()(const std::string& one,
57	+	const std::string& two)
58	+	{
59	+	std::string one_(one), two_(two);
60	+
61	+	// XXX: should be std::tolower except g++34 doesn't believe it
62	+	std::transform(one.begin(), one.end(), one_.begin(), ::tolower);
63	+	std::transform(two.begin(), two.end(), two_.begin(), ::tolower);
64	+
65	+	return one_ < two_;
66	+	}
67	+
68	+	void FeepingCreaturism::initialize()
69	+	{
70	+	ext::Handle<xml::Document> document(xml::Parse("jargon.xml"));
71	+	ext::Handle<xml::Node> node(*document/"feepingcreaturism");
72	+
73	+	this->path = *node/"jargon";
74	+	this->matcher = *node/"matcher";
75	+
76	+	char* path[] = { new char[this->path.size()] };
77	+
78	+	std::strcpy(path[0], this->path.c_str());
79	+
80	+	::FTS* traversal(::fts_open(path, FTS_LOGICAL, NULL));
81	+	Matcher matcher("^" + this->path + "/(" + this->matcher + ")$");
82	+
83	+	if (traversal == NULL)
84	+	{
85	+	api::Cerr << program << ": Horrible Failure!\n";
86	+
87	+	std::exit(1);
88	+	}
89	+
90	+	for (::FTSENT* entity(::fts_read(traversal)); entity != NULL;
91	+	entity = ::fts_read(traversal))
92	+	{
93	+	if (entity->fts_info == FTS_F && entity->fts_path == matcher)
94	+	{
95	+	jargon.insert(matcher[1]);
96	+	}
97	+	}
98	+
99	+	::fts_close(traversal);
100	+
101	+	delete [] path[0];
102	+	}
103	+
104	+	void FeepingCreaturism::parse()
105	+	{
106	+	std::stringstream query(env.get("QUERY_STRING"));
107	+
108	+	if (env.get("REQUEST_METHOD") == "POST")
109	+	{
110	+	std::streamsize length(lexical_cast<std::streamsize>(env.get("CONTENT_"
111	+	"TYPE")));
112	+	char* content(new char[length]);
113	+
114	+	api::Cin.Read(content, length);
115	+	query.write(content, length);
116	+
117	+	delete [] content;
118	+	}
119	+
120	+	if (query.str().empty()) return;
121	+
122	+	do
123	+	{
124	+	std::string name, value;
125	+
126	+	std::getline(query, name, '=');
127	+	std::getline(query, value, '&');
128	+
129	+	cgi.insert(_P(name, value));
130	+	}
131	+	while (query.good());
132	+	}
133	+
134	+	void FeepingCreaturism::daily(const ext::String& date)
135	+	{
136	+	std::time_t when(std::time(NULL));
137	+	std::tm* day(std::localtime(&when));
138	+
139	+	day->tm_sec = 0;
140	+	day->tm_min = 0;
141	+	day->tm_hour = 0;
142	+
143	+	if (!date.IsEmpty()) ::strptime(date.NullTerminate(), "%Y-%m-%d", day);
144	+
145	+	std::time_t difference(mktime(day) / 86400);
146	+	std::vector<ext::String> jargon(this->jargon.begin(), this->jargon.end());
147	+	ext::String entry(jargon.size() ? jargon[difference % jargon.size()] : "");
148	+
149	+	select(entry);
150	+	}
151	+
152	+	void FeepingCreaturism::random(const ext::String& number)
153	+	{
154	+	::srandomdev();
155	+
156	+	std::vector<ext::String> jargon(this->jargon.begin(), this->jargon.end());
157	+	std::vector<ext::String>::size_type random(number.IsEmpty() ? ::random() :
158	+	lexical_cast<std::vector<ext::String>::size_type>(number));
159	+
160	+	assert(random >= 0);
161	+	assert(random % jargon.size() < jargon.size());
162	+
163	+	ext::String entry(jargon.size() ? jargon[random % jargon.size()] : "");
164	+
165	+	select(entry);
166	+	}
167	+
168	+	void FeepingCreaturism::select(const ext::String& selection, bool validate)
169	+	{
170	+	if (!validate || jargon.find(selection) != jargon.end())
171	+	{
172	+	api::Cout << "Content-Type: text/html; charset=UTF-8\r\n\r\n";
173	+
174	+	Jargon jargon(path + "/" + selection, cgi.find("include") != cgi.end()
175	+	&& lexical_cast<bool>(ext::String(cgi.find("include")->second)),
176	+	cgi.find("relative") != cgi.end()
177	+	? ext::String(cgi.find("relative")->second) : ext::String());
178	+
179	+	api::Cout << jargon;
180	+	}
181	+	else
182	+	{
183	+	api::Cout << "Status: 404\r\n"
184	+	<< "Content-Type: text/html; charset=ISO-8859-1\r\n\r\n"
185	+	<< "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
186	+	<< "<html><head>\n<title>404 Not Found</title>\n</head><body>\n"
187	+	<< "<h1>Not Found</h1>\n<p>The requested URL "
188	+	<< env.get("PATH_INFO") << " was not found on this server.</p>\n"
189	+	<< "<hr />\n" << env.get("SERVER_SIGNATURE") << "</body></html>\n";
190	+	}
191	+	}

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