--- Represent/Represent.cpp	2004/12/22 07:19:54	371
+++ Represent/Represent.cpp	2004/12/25 06:48:09	395
@@ -5,8 +5,30 @@
 // $Id$
 
 #include "Hexadecimal.hpp"
+#include "DataType.hpp"
+#include "InputType.hpp"
+
+#ifdef _WIN32
+#pragma warning(disable:4267 4288)
+#endif
 
 #include <menes-app/simple.hpp>
+#include <menes-xml/document.hpp>
+#include <menes-xml/nodeset.hpp>
+#include <menes-xml/parse.hpp>
+
+struct Environment
+{
+	ext::String get(const ext::String& name) { try { return api::TheEnvironment.Get(name); } catch (ext::Exception) { return ext::String(); } }
+} env;
+
+struct Item
+{
+	DataType type;
+	ext::String data;
+	InputType input;
+	Item(const DataType& type, const ext::String& data, const InputType& input_) : type(type), data(data), input(input_) {}
+};
 
 int Main(const app::Options& options)
 {
@@ -17,18 +39,451 @@ int Main(const app::Options& options)
 
 Represent::Represent()
 {
-	ext::String string("1001");
-	Binary sign(string, true), unsign(string, false);
+	api::Cout << "Content-Type: text/html; charset=UTF-8\r\n\r\n" << ios::Flush;
+
+	xml::TextWriter xhtml(api::Cout);
+
+	parse();
+
+	_H<xml::Document> document(xml::Parse("represent.xml"));
+	_H<xml::Node> node(*document/"represent");
+	ext::String before(*node/"before"), after(*node/"after");
+
+	api::Cout << ios::NewLine << before << ios::Flush;
+
+	{
+		xml::ScopeElement table(xhtml, "table");
+
+		headings(xhtml);
+		form(xhtml);
+		output(xhtml);
+	}
+
+	api::Cout << after << ios::Flush;
+}
+
+void Represent::parse()
+{
+	ext::String query(env.get("QUERY_STRING"));
+
+	if (env.get("REQUEST_METHOD") == "POST")
+	{
+		ext::Buffer content(lexical_cast<size_t>(env.get("CONTENT_LENGTH")));
+
+		api::Cin.ReadFully(content.Begin(), content.GetSize());
+
+		query = content;
+	}
+
+	ext::Vector<ext::String> pairs(query.Split('&'));
+
+	_foreach (ext::Vector<ext::String>, pair, pairs)
+	{
+		ext::String::ConstIterator equal(pair->FindFirst('='));
+		ext::String name(pair->Begin(), equal), value(equal != pair->End() ? equal + 1 : equal, pair->End());
+
+		cgi.insert(std::pair<std::string, std::string>(decode(name), decode(value)));
+	}
+}
+
+std::string Represent::decode(const ext::String& encoded)
+{
+	std::string decoded(encoded);
+	std::string::size_type pos(0);
+
+	while ((pos = decoded.find_first_of("%+", pos)) != std::string::npos) switch (decoded[pos])
+	{
+	case '%':
+		decoded.replace(pos, 3, 1, Hexadecimal(decoded.substr(pos + 1, 2), false).convert<char>(false));
+		break;
+	case '+':
+		decoded[pos] = ' ';
+	}
+
+	return decoded;
+}
+
+void Represent::headings(xml::TextWriter& xhtml)
+{
+	xml::ScopeElement tr(xhtml, "tr");
+	ext::String headings[] = { "Data Type", "Data Representation", "Input Type", "Storage" };
+
+	_foru (index, 0, sizeof (headings) / sizeof (ext::String))
+	{
+		xml::ScopeElement th(xhtml, "th");
+
+		xhtml.OutputText(headings[index]);
+	}
+}
+
+void Represent::form(xml::TextWriter& xhtml)
+{
+	xml::ScopeElement tr(xhtml, "tr");
+
+	{
+		xml::ScopeElement td(xhtml, "td"), select(xhtml, "select");
+
+		xhtml.SetAttribute("name", "type");
+
+		DataType type(cgi.find("type") != cgi.end() ? cgi.find("type")->second : std::string());
+
+		_foreach (ext::Vector<DataType>, type_, DataType::enumerate())
+		{
+			xml::ScopeElement option(xhtml, "option");
+
+			if (*type_ == type) xhtml.SetAttribute("selected", "selected");
+
+			xhtml.OutputText(*type_);
+		}
+	}
+
+	{
+		xml::ScopeElement td(xhtml, "td"), input(xhtml, "input");
+
+		xhtml.SetAttribute("name", "data");
+		xhtml.SetAttribute("size", "64");
+		xhtml.SetAttribute("type", "text");
+
+		ext::String data(cgi.find("data") != cgi.end() ? cgi.find("data")->second : std::string());
+
+		xhtml.SetAttribute("value", data);
+	}
+
+	{
+		xml::ScopeElement td(xhtml, "td"), select(xhtml, "select");
+
+		xhtml.SetAttribute("name", "input");
+
+		InputType input(cgi.find("input") != cgi.end() ? cgi.find("input")->second : std::string());
+
+		_foreach (ext::Vector<InputType>, input_, InputType::enumerate())
+		{
+			xml::ScopeElement option(xhtml, "option");
+
+			if (*input_ == input) xhtml.SetAttribute("selected", "selected");
+
+			xhtml.OutputText(*input_);
+		}
+	}
+
+	xml::ScopeElement td(xhtml, "td"), input(xhtml, "input");
+
+	xhtml.SetAttribute("type", "submit");
+	xhtml.SetAttribute("value", "Store");
+}
+
+void Represent::output(xml::TextWriter& xhtml)
+{
+	typedef std::multimap<std::string, std::string>::size_type MultiMapSize;
+
+	std::set<MultiMapSize, std::greater<MultiMapSize> > count;
+	ext::String names[] = { "type", "data", "input" };
+
+	_foru (index, 0, sizeof (names) / sizeof (ext::String)) count.insert(cgi.count(names[index]));
+
+	typedef std::multimap<std::string, std::string>::const_iterator MultiMapConstIterator;
+
+	MultiMapConstIterator type(cgi.lower_bound("type")), type_(cgi.upper_bound("type")), data(cgi.lower_bound("data")), data_(cgi.upper_bound("data")), input(cgi.lower_bound("input")), input_(cgi.upper_bound("input"));
+	ext::Vector<Item> items;
+
+	_foru (index, 0, *count.begin() < 128 ? *count.begin() : 128)
+	{
+		Item item(DataType(type != type_ ? type->second : std::string()), data != data_ ? data->second : std::string(), InputType(input != input_ ? input->second : std::string()));
+
+		items.InsertLast(item);
+
+		if (type != type_) ++type;
+		if (data != data_) ++data;
+		if (input != input_) ++input;
+	}
+
+	_rfor (MultiMapConstIterator, delete_, cgi.lower_bound("delete"), cgi.upper_bound("delete")) items.RemoveAt(lexical_cast<size_t>(delete_->second));
+
+	if (!items.IsEmpty() && items.First().data.IsEmpty()) items.RemoveFirst();
+
+	size_t index(0);
+
+	_foreach (ext::Vector<Item>, item, items) switch (item->type)
+	{
+	case DataType::TYPE_bool:
+		output<bool>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_char:
+		output<char>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_short:
+		output<short>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_unsigned_short:
+		output<unsigned short>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_int:
+		output<int>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_unsigned_int:
+		output<unsigned int>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_long:
+		output<long>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_unsigned_long:
+		output<unsigned long>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_float:
+		output<float>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_double:
+		output<double>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_std_string:
+		output<std::string>(xhtml, *item, ++index);
+		break;
+	case DataType::TYPE_ext_String:
+		output<ext::String>(xhtml, *item, ++index);
+	}
+}
+
+template <typename Type>
+void Represent::output(xml::TextWriter& xhtml, const Item& item, size_t index)
+{
+	xhtml.OpenElement("tr");
+
+	{
+		xml::ScopeElement td(xhtml, "td");
+
+		xhtml.SetAttribute("rowspan", "3");
+		xhtml.OutputText(item.type);
+
+		ext::String names[] = { "type", "data", "input" }, values[] = { item.type, item.data, item.input };
+
+		_foru (index, 0, sizeof (names) / sizeof (ext::String))
+		{
+			xml::ScopeElement input(xhtml, "input");
+
+			xhtml.SetAttribute("name", names[index]);
+			xhtml.SetAttribute("type", "hidden");
+			xhtml.SetAttribute("value", values[index]);
+		}
+	}
+
+	Type type(input<Type>(item));
+
+	{
+		xml::ScopeElement td(xhtml, "td");
+
+		normal(xhtml, type);
+	}
+
+	{
+		xml::ScopeElement th(xhtml, "th");
+
+		xhtml.OutputText("Normal");
+	}
+
+	{
+		xml::ScopeElement td(xhtml, "td");
+
+		xhtml.SetAttribute("rowspan", "3");
+
+		{
+			xml::ScopeElement input(xhtml, "input");
+
+			xhtml.SetAttribute("name", "delete");
+			xhtml.SetAttribute("type", "checkbox");
+			xhtml.SetAttribute("value", lexical_cast<ext::String>(index));
+		}
+
+		xhtml.OutputText("Delete");
+	}
+
+	xhtml.CloseElement();
+	xhtml.OpenElement("tr");
+
+	{
+		xml::ScopeElement td(xhtml, "td");
+
+		binary(xhtml, type);
+	}
+
+	{
+		xml::ScopeElement th(xhtml, "th");
+
+		xhtml.OutputText("Binary");
+	}
+
+	xhtml.CloseElement();
+	xhtml.OpenElement("tr");
+
+	{
+		xml::ScopeElement td(xhtml, "td");
+	
+		hexadecimal(xhtml, type);
+	}
+
+	{
+		xml::ScopeElement th(xhtml, "th");
+
+		xhtml.OutputText("Hexadecimal");
+	}
+
+	xhtml.CloseElement();
+}
+
+template <typename Type>
+Type Represent::input(const Item& item)
+{
+	bool signed_(etl::Limits<Type>::IsSigned);
+
+	switch (item.input)
+	{
+	default:
+		try { return lexical_cast<Type>(item.data); } catch (ext::Exception) { return 0; }
+	case InputType::INPUT_Binary:
+		return Binary(item.data, signed_).convert<Type>(signed_);
+	case InputType::INPUT_Hexadecimal:
+		return Hexadecimal(item.data, signed_).convert<Type>(signed_);
+	}
+}
+
+template <>
+char Represent::input(const Item& item)
+{
+	switch (item.input)
+	{
+	default:
+		return item.data.First();
+	case InputType::INPUT_Binary:
+		return Binary(item.data, false).convert<char>(false);
+	case InputType::INPUT_Hexadecimal:
+		return Hexadecimal(item.data, false).convert<char>(false);
+	}
+}
+
+// XXX: constructing a string from Binary or Hexadecimal seems too dangerous
+template <>
+std::string Represent::input(const Item& item)
+{
+	return item.data;
+}
+
+// XXX: constructing a string from Binary or Hexadecimal seems too dangerous
+template <>
+ext::String Represent::input(const Item& item)
+{
+	return item.data;
+}
 
-	api::Cerr << string << ios::NewLine << ext::String(sign) << ios::NewLine << ext::String(unsign) << ios::NewLine;
+template <typename Type>
+void Represent::normal(xml::TextWriter& xhtml, const Type& type)
+{
+	xhtml.OutputText(lexical_cast<ext::String>(type));
+}
 
-	string = "deadbeef";
+// XXX: damn, this one is really quite screwy
+template <>
+void Represent::normal(xml::TextWriter& xhtml, const char& char_)
+{
+	xhtml.OutputText("'");
+	xhtml.OutputText(std::string(1, char_).c_str());
+	xhtml.OutputText("'");
+}
+
+template <>
+void Represent::normal(xml::TextWriter& xhtml, const std::string& string)
+{
+	xhtml.OutputText("\"");
+	xhtml.OutputText(string);
+	xhtml.OutputText("\"");
+}
+
+template <>
+void Represent::normal(xml::TextWriter& xhtml, const ext::String& string)
+{
+	xhtml.OutputText("\"");
+	xhtml.OutputText(string);
+	xhtml.OutputText("\"");
+}
+
+template <typename Type>
+void Represent::binary(xml::TextWriter& xhtml, const Type& type)
+{
+	xhtml.OutputText(Binary(type));
+}
+
+template <>
+void Represent::binary(xml::TextWriter& xhtml, const std::string& string)
+{
+	xhtml.OutputText(Binary(string));
 
-	Hexadecimal test(string, false);
+	xml::ScopeElement(xhtml, "br");
 
-	api::Cerr << string << ios::NewLine << ext::String(test) << ios::NewLine;
+	_sforeach (std::string, atom, string)
+	{
+		xml::ScopeElement(xhtml, "br");
+
+		xhtml.OutputText(Binary(*atom));
+		xhtml.OutputText(" = '");
+		xhtml.OutputText(ext::CodePoint(*atom));
+		xhtml.OutputText("'");
+	}
+}
+
+template <>
+void Represent::binary(xml::TextWriter& xhtml, const ext::String& string)
+{
+	xhtml.OutputText(Binary(string));
+
+	xml::ScopeElement(xhtml, "br");
+
+	_foreach (ext::String, atom, string)
+	{
+		xml::ScopeElement(xhtml, "br");
+
+		xhtml.OutputText(Binary(*atom));
+		xhtml.OutputText(" = '");
+		xhtml.OutputText(ext::CodePoint(*atom));
+		xhtml.OutputText("'");
+	}
+}
+
+template <typename Type>
+void Represent::hexadecimal(xml::TextWriter& xhtml, const Type& type)
+{
+	xhtml.OutputText(Hexadecimal(type));
+}
+
+template <>
+void Represent::hexadecimal(xml::TextWriter& xhtml, const std::string& string)
+{
+	xhtml.OutputText(Hexadecimal(string));
+
+	xml::ScopeElement(xhtml, "br");
+
+	_sforeach (std::string, atom, string)
+	{
+		xml::ScopeElement(xhtml, "br");
+
+		xhtml.OutputText(Hexadecimal(*atom));
+		xhtml.OutputText(" = '");
+		xhtml.OutputText(ext::CodePoint(*atom));
+		xhtml.OutputText("'");
+	}
+}
+
+template <>
+void Represent::hexadecimal(xml::TextWriter& xhtml, const ext::String& string)
+{
+	xhtml.OutputText(Hexadecimal(string));
 
-	Hexadecimal sign_(sign), unsign_(unsign);
+	xml::ScopeElement(xhtml, "br");
 
-	api::Cerr << ext::String(sign_) << ios::NewLine << ext::String(unsign_) << ios::NewLine;
+	_foreach (ext::String, atom, string)
+	{
+		xml::ScopeElement(xhtml, "br");
+
+		xhtml.OutputText(Hexadecimal(*atom));
+		xhtml.OutputText(" = '");
+		xhtml.OutputText(ext::CodePoint(*atom));
+		xhtml.OutputText("'");
+	}
 }