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// Feeping Creaturism |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "Environment.hpp" |
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#include "Matcher.hpp" |
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#include "Jargon.hpp" |
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|
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extern "C" |
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{ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fts.h> |
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} |
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|
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int main(int argc, char* argv[]) |
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{ |
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FeepingCreaturism::program = argv[0]; |
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|
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FeepingCreaturism creaturism; |
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|
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return 0; |
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} |
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|
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FeepingCreaturism::FeepingCreaturism() |
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{ |
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initialize(); |
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parse(); |
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|
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ext::String path(env.get("PATH_INFO")); |
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Matcher matcher; |
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|
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if (path == matcher("^/daily/(\\d{4}-\\d{2}-\\d{2})?$")) |
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{ |
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daily(matcher.size() > 1 ? matcher[1] : ""); |
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} |
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else if (path == matcher("^/random/(\\d+)?$")) |
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{ |
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random(matcher.size() > 1 ? matcher[1] : ""); |
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} |
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else if (path == matcher("^/(" + this->matcher + ")$")) |
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{ |
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select(matcher[1], true); |
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} |
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else |
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{ |
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api::Cout << "Location: http://" << env.get("HTTP_HOST") |
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<< env.get("SCRIPT_NAME") << "/daily/\r\n\r\n"; |
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} |
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} |
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|
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ext::String FeepingCreaturism::program; |
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|
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bool FeepingCreaturism::CaseLess::operator()(const std::string& one, |
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const std::string& two) |
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{ |
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std::string one_(one), two_(two); |
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|
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// XXX: should be std::tolower except g++34 doesn't believe it |
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std::transform(one.begin(), one.end(), one_.begin(), ::tolower); |
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std::transform(two.begin(), two.end(), two_.begin(), ::tolower); |
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|
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return one_ < two_; |
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} |
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|
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void FeepingCreaturism::initialize() |
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{ |
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ext::Handle<xml::Document> document(xml::Parse("jargon.xml")); |
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ext::Handle<xml::Node> node(*document/"feepingcreaturism"); |
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|
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this->path = *node/"jargon"; |
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this->matcher = *node/"matcher"; |
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|
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char* path[] = { new char[this->path.size()] }; |
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|
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std::strcpy(path[0], this->path.c_str()); |
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|
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::FTS* traversal(::fts_open(path, FTS_LOGICAL, NULL)); |
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Matcher matcher("^" + this->path + "/(" + this->matcher + ")$"); |
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|
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if (traversal == NULL) |
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{ |
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api::Cerr << program << ": Horrible Failure!\n"; |
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|
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std::exit(1); |
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} |
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|
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for (::FTSENT* entity(::fts_read(traversal)); entity != NULL; |
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entity = ::fts_read(traversal)) |
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{ |
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if (entity->fts_info == FTS_F && entity->fts_path == matcher) |
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{ |
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jargon.insert(matcher[1]); |
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} |
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} |
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|
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::fts_close(traversal); |
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|
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delete [] path[0]; |
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} |
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|
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void FeepingCreaturism::parse() |
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{ |
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std::stringstream query(env.get("QUERY_STRING")); |
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|
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if (env.get("REQUEST_METHOD") == "POST") |
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{ |
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std::streamsize length(lexical_cast<std::streamsize>(env.get("CONTENT_" |
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"TYPE"))); |
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char* content(new char[length]); |
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|
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api::Cin.Read(content, length); |
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query.write(content, length); |
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|
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delete [] content; |
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} |
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|
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if (query.str().empty()) return; |
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|
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do |
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{ |
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std::string name, value; |
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|
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std::getline(query, name, '='); |
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std::getline(query, value, '&'); |
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|
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cgi.insert(_P(name, value)); |
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} |
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while (query.good()); |
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} |
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|
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void FeepingCreaturism::daily(const ext::String& date) |
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{ |
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std::time_t when(std::time(NULL)); |
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std::tm* day(std::localtime(&when)); |
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|
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day->tm_sec = 0; |
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day->tm_min = 0; |
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day->tm_hour = 0; |
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|
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if (!date.IsEmpty()) ::strptime(date.NullTerminate(), "%Y-%m-%d", day); |
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|
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std::time_t difference(mktime(day) / 86400); |
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std::vector<ext::String> jargon(this->jargon.begin(), this->jargon.end()); |
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ext::String entry(jargon.size() ? jargon[difference % jargon.size()] : ""); |
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|
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select(entry); |
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} |
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|
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void FeepingCreaturism::random(const ext::String& number) |
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{ |
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::srandomdev(); |
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|
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std::vector<ext::String> jargon(this->jargon.begin(), this->jargon.end()); |
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std::vector<ext::String>::size_type random(number.IsEmpty() ? ::random() : |
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lexical_cast<std::vector<ext::String>::size_type>(number)); |
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|
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assert(random >= 0); |
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assert(random % jargon.size() < jargon.size()); |
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|
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ext::String entry(jargon.size() ? jargon[random % jargon.size()] : ""); |
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|
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select(entry); |
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} |
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|
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void FeepingCreaturism::select(const ext::String& selection, bool validate) |
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{ |
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if (!validate || jargon.find(selection) != jargon.end()) |
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{ |
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api::Cout << "Content-Type: text/html; charset=UTF-8\r\n\r\n"; |
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|
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_M::iterator include(cgi.find("include")); |
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|
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if (include != cgi.end()) |
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{ |
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Jargon jargon(path + "/" + selection, |
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lexical_cast<bool>(ext::String(include->second))); |
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|
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api::Cout << jargon; |
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} |
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else |
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{ |
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Jargon jargon(path + "/" + selection); |
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|
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api::Cout << jargon; |
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} |
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} |
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else |
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{ |
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api::Cout << "Status: 404\r\n" |
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<< "Content-Type: text/html; charset=ISO-8859-1\r\n\r\n" |
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<< "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" |
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<< "<html><head>\n<title>404 Not Found</title>\n</head><body>\n" |
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<< "<h1>Not Found</h1>\n<p>The requested URL " |
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<< env.get("PATH_INFO") << " was not found on this server.</p>\n" |
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<< "<hr />\n" << env.get("SERVER_SIGNATURE") << "</body></html>\n"; |
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} |
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} |
