From 4bc87cb8d1c8a57a2f1ddf5d2b9b79240187105c Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Mon, 19 Aug 2013 00:17:30 +0000
Subject: Allow specifying a custom date format in an XML presenter
 declaration, used to correct the date format used in GB RSS feeds

---
 project2/xml/xmlPresenter.cpp | 18 ++++++++++++------
 project2/xml/xmlPresenter.h   |  1 +
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/project2/xml/xmlPresenter.cpp b/project2/xml/xmlPresenter.cpp
index 32960a1..d0281f7 100644
--- a/project2/xml/xmlPresenter.cpp
+++ b/project2/xml/xmlPresenter.cpp
@@ -45,19 +45,21 @@ DECLARE_GENERIC_LOADER("xml", PresenterLoader, XmlPresenter)
 XmlPresenter::XmlPresenter(const Glib::ustring & responseRootNodeName, const Glib::ustring & responseStyle, const Glib::ustring & ct) :
 	Presenter(Default),
 	ContentPresenter(ct),
+	customDateFormat(Null()),
 	root(responseRootNodeName),
 	style(responseStyle.empty() ? Null() : VariableType(responseStyle))
 {
 }
 
-XmlPresenter::XmlPresenter(ScriptNodePtr e, ObjectSource os, ExecContext *) :
+XmlPresenter::XmlPresenter(ScriptNodePtr e, ObjectSource os, ExecContext * ec) :
 	TransformSource(e, os),
 	Presenter(os),
-	ContentPresenter(e->value("contenttype", "application/xml", NULL)),
+	ContentPresenter(e->value("contenttype", "application/xml", ec)),
 	SourceOf<xmlpp::Document>(e, os),
 	SourceOf<_xmlDoc>(e, os),
 	SourceOf<boost::shared_ptr<xmlpp::Document> >(e, os),
 	SourceOf<WritableContent>(e, os),
+	customDateFormat(e->value("dateformat", XmlPresenter::customFormat ? VariableType(*XmlPresenter::customFormat) : Null(), ec)),
 	root(e, "root"),
 	style(e, "style", Null())
 {
@@ -155,7 +157,10 @@ XmlPresenter::addNamedValue(const Glib::ustring & name, const Glib::ustring & ns
 
 class XmlNodeWriter : public boost::static_visitor<bool> {
 	public:
-		XmlNodeWriter(xmlpp::Element * n) : node(n) { }
+		XmlNodeWriter(xmlpp::Element * n, const VariableType & df) :
+			node(n),
+			dateFormat(df)
+		{ }
 		bool operator()(const Null &) const {
 			addType(XmlPresenter::typeidNull, "null");
 			return false;
@@ -184,11 +189,11 @@ class XmlNodeWriter : public boost::static_visitor<bool> {
 			if (XmlPresenter::dateAttr) {
 				node->set_attribute("date", boost::gregorian::to_iso_extended_string(i.date()));
 			}
-			if (!!XmlPresenter::customFormat) {
+			if (!dateFormat.isNull()) {
 				std::stringstream ss;
 				boost::date_time::time_facet<boost::posix_time::ptime, char> * ft = new boost::date_time::time_facet<boost::posix_time::ptime, char>();
 				ss.imbue(std::locale(ss.getloc(), ft));
-				ft->format(XmlPresenter::customFormat->c_str());
+				ft->format(dateFormat);
 				ss << boost::get<boost::posix_time::ptime>(i);
 				node->set_attribute("custom", ss.str());
 			}
@@ -203,12 +208,13 @@ class XmlNodeWriter : public boost::static_visitor<bool> {
 		}
 	private:
 		xmlpp::Element * node;
+		const VariableType dateFormat;
 };
 
 void
 XmlPresenter::addText(const VariableType & value) const
 {
-	if (boost::apply_visitor(XmlNodeWriter(nodeStack.back()), value)) {
+	if (boost::apply_visitor(XmlNodeWriter(nodeStack.back(), customDateFormat), value)) {
 		nodeStack.back()->add_child_text(value);
 	}
 }
diff --git a/project2/xml/xmlPresenter.h b/project2/xml/xmlPresenter.h
index de3f65b..6dbee7e 100644
--- a/project2/xml/xmlPresenter.h
+++ b/project2/xml/xmlPresenter.h
@@ -53,6 +53,7 @@ class XmlPresenter : public Presenter, public ContentPresenter, public SourceOf<
 		void createDoc(const Glib::ustring & responseRootNodeName, const Glib::ustring & responseStyle) const;
 		XmlDocumentPtr responseDoc;
 		mutable std::vector<xmlpp::Element *> nodeStack;
+		const VariableType customDateFormat;
 		const Variable root;
 		const Variable style;
 
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