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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 265 by Douglas Thrift, 2004-10-27T01:50:34-07:00

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

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