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/*
* Copyright (c) 2010 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Serializer/PayloadSerializers/FormSerializer.h>
#include <boost/shared_ptr.hpp>
#include <boost/smart_ptr/make_shared.hpp>
#include <iostream>
#include <string>
#include <Swiften/Base/String.h>
#include <Swiften/Base/Algorithm.h>
#include <Swiften/Base/foreach.h>
#include <Swiften/Serializer/XML/XMLTextNode.h>
#include <Swiften/Serializer/XML/XMLRawTextNode.h>
using namespace Swift;
namespace {
template<typename T> void serializeValueAsString(boost::shared_ptr<FormField> field, boost::shared_ptr<XMLElement> parent) {
std::string value = boost::dynamic_pointer_cast<T>(field)->getValue();
if (!value.empty()) {
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(value));
parent->addNode(valueElement);
}
}
}
namespace Swift {
FormSerializer::FormSerializer() : GenericPayloadSerializer<Form>() {
}
std::string FormSerializer::serializePayload(boost::shared_ptr<Form> form) const {
boost::shared_ptr<XMLElement> formElement(new XMLElement("x", "jabber:x:data"));
std::string type;
switch (form->getType()) {
case Form::FormType: type = "form"; break;
case Form::SubmitType: type = "submit"; break;
case Form::CancelType: type = "cancel"; break;
case Form::ResultType: type = "result"; break;
}
formElement->setAttribute("type", type);
if (!form->getTitle().empty()) {
multiLineify(form->getTitle(), "title", formElement);
}
if (!form->getInstructions().empty()) {
multiLineify(form->getInstructions(), "instructions", formElement);
}
foreach(boost::shared_ptr<FormField> field, form->getFields()) {
formElement->addNode(fieldToXML(field, true));
}
if (!form->getReportedFields().empty()) {
boost::shared_ptr<XMLElement> reportedElement(new XMLElement("reported"));
foreach(FormField::ref field, form->getReportedFields()) {
reportedElement->addNode(fieldToXML(field, true));
}
formElement->addNode(reportedElement);
}
foreach(Form::FormItem item, form->getItems()) {
boost::shared_ptr<XMLElement> itemElement(new XMLElement("item"));
foreach(FormField::ref field, item) {
itemElement->addNode(fieldToXML(field, false));
}
formElement->addNode(itemElement);
}
return formElement->serialize();
}
boost::shared_ptr<XMLElement> FormSerializer::fieldToXML(boost::shared_ptr<FormField> field, bool withTypeAttribute) const {
boost::shared_ptr<XMLElement> fieldElement(new XMLElement("field"));
if (!field->getName().empty()) {
fieldElement->setAttribute("var", field->getName());
}
if (!field->getLabel().empty()) {
fieldElement->setAttribute("label", field->getLabel());
}
if (field->getRequired()) {
fieldElement->addNode(boost::make_shared<XMLElement>("required"));
}
if (!field->getDescription().empty()) {
boost::shared_ptr<XMLElement> descriptionElement(new XMLElement("desc"));
descriptionElement->addNode(boost::make_shared<XMLTextNode>(field->getDescription()));
fieldElement->addNode(descriptionElement);
}
// Set the value and type
std::string fieldType;
if (boost::dynamic_pointer_cast<BooleanFormField>(field)) {
fieldType = "boolean";
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(boost::dynamic_pointer_cast<BooleanFormField>(field)->getValue() ? "1" : "0"));
fieldElement->addNode(valueElement);
}
else if (boost::dynamic_pointer_cast<FixedFormField>(field)) {
fieldType = "fixed";
serializeValueAsString<FixedFormField>(field, fieldElement);
}
else if (boost::dynamic_pointer_cast<HiddenFormField>(field)) {
fieldType = "hidden";
serializeValueAsString<HiddenFormField>(field, fieldElement);
}
else if (boost::dynamic_pointer_cast<ListSingleFormField>(field)) {
fieldType = "list-single";
serializeValueAsString<ListSingleFormField>(field, fieldElement);
}
else if (boost::dynamic_pointer_cast<TextPrivateFormField>(field)) {
fieldType = "text-private";
serializeValueAsString<TextPrivateFormField>(field, fieldElement);
}
else if (boost::dynamic_pointer_cast<TextSingleFormField>(field)) {
fieldType = "text-single";
serializeValueAsString<TextSingleFormField>(field, fieldElement);
}
else if (boost::dynamic_pointer_cast<JIDMultiFormField>(field)) {
fieldType = "jid-multi";
std::vector<JID> jids = boost::dynamic_pointer_cast<JIDMultiFormField>(field)->getValue();
foreach(const JID& jid, jids) {
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(jid.toString()));
fieldElement->addNode(valueElement);
}
}
else if (boost::dynamic_pointer_cast<JIDSingleFormField>(field)) {
fieldType = "jid-single";
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(boost::dynamic_pointer_cast<JIDSingleFormField>(field)->getValue().toString()));
if ( boost::dynamic_pointer_cast<JIDSingleFormField>(field)->getValue().isValid()) fieldElement->addNode(valueElement);
}
else if (boost::dynamic_pointer_cast<ListMultiFormField>(field)) {
fieldType = "list-multi";
std::vector<std::string> lines = boost::dynamic_pointer_cast<ListMultiFormField>(field)->getValue();
foreach(const std::string& line, lines) {
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(line));
fieldElement->addNode(valueElement);
}
}
else if (boost::dynamic_pointer_cast<TextMultiFormField>(field)) {
fieldType = "text-multi";
multiLineify(boost::dynamic_pointer_cast<TextMultiFormField>(field)->getValue(), "value", fieldElement);
}
else {
assert(false);
}
if (!fieldType.empty() && withTypeAttribute) {
fieldElement->setAttribute("type", fieldType);
}
foreach (const FormField::Option& option, field->getOptions()) {
boost::shared_ptr<XMLElement> optionElement(new XMLElement("option"));
if (!option.label.empty()) {
optionElement->setAttribute("label", option.label);
}
boost::shared_ptr<XMLElement> valueElement(new XMLElement("value"));
valueElement->addNode(XMLTextNode::create(option.value));
optionElement->addNode(valueElement);
fieldElement->addNode(optionElement);
}
return fieldElement;
}
void FormSerializer::multiLineify(const std::string& text, const std::string& elementName, boost::shared_ptr<XMLElement> element) const {
std::string unRdText(text);
erase(unRdText, '\r');
std::vector<std::string> lines = String::split(unRdText, '\n');
foreach (std::string line, lines) {
boost::shared_ptr<XMLElement> lineElement(new XMLElement(elementName));
lineElement->addNode(boost::make_shared<XMLTextNode>(line));
element->addNode(lineElement);
}
}
}
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