From 10673ca23db42cfce85a032ca9f22f085c5736b0 Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Wed, 14 Jul 2010 18:04:41 +0000
Subject: Set the content-type header according to the existance of a
 stylesheet name

---
 project2/cgiAppEngine.cpp | 13 +++++++++----
 project2/cgiAppEngine.h   |  5 +++--
 project2/p2webMain.cpp    |  8 +++-----
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/project2/cgiAppEngine.cpp b/project2/cgiAppEngine.cpp
index e041d20..4f04b7e 100644
--- a/project2/cgiAppEngine.cpp
+++ b/project2/cgiAppEngine.cpp
@@ -19,10 +19,10 @@ typedef std::string SValue;
 
 SessionContainer * sessionsContainer = new SessionContainerShm();
 
-CgiApplicationEngine::CgiApplicationEngine(const CgiEnvironment * e, cgicc::HTTPContentHeader * h) :
+CgiApplicationEngine::CgiApplicationEngine(const CgiEnvironment * e) :
 	ApplicationEngine(e),
 	_env(e),
-	header(h),
+	header(NULL),
 	sessionID(boost::uuids::nil_generator()())
 {
 	BOOST_FOREACH(const cgicc::HTTPCookie c, e->getCookieList()) {
@@ -40,6 +40,7 @@ CgiApplicationEngine::CgiApplicationEngine(const CgiEnvironment * e, cgicc::HTTP
 
 CgiApplicationEngine::~CgiApplicationEngine()
 {
+	delete header;
 }
 
 const Environment *
@@ -121,12 +122,16 @@ CgiApplicationEngine::PresentStage::getDataDocument() const
 	}
 	// XSLT Style
 	char * buf;
-	if (asprintf(&buf, "type=\"text/xsl\" href=\"%s\"",
+	if (responseStyle.length() && asprintf(&buf, "type=\"text/xsl\" href=\"%s\"",
 			responseStyle.c_str()) > 0) {
 		xmlAddPrevSibling(responseRoot->cobj(),
 				xmlNewDocPI(responseDoc->cobj(), BAD_CAST "xml-stylesheet", BAD_CAST buf));
+		free(buf);
+		appEngine->header = new cgicc::HTTPContentHeader("text/xml-xslt");
+	}
+	else {
+		appEngine->header = new cgicc::HTTPContentHeader("text/xml");
 	}
-	free(buf);
 	return responseDoc;
 }
 
diff --git a/project2/cgiAppEngine.h b/project2/cgiAppEngine.h
index d2a1f44..a42cedd 100644
--- a/project2/cgiAppEngine.h
+++ b/project2/cgiAppEngine.h
@@ -18,10 +18,11 @@ namespace cgicc {
 
 class CgiApplicationEngine : public ApplicationEngine {
 	public:
-		CgiApplicationEngine(const CgiEnvironment *, cgicc::HTTPContentHeader *);
+		CgiApplicationEngine(const CgiEnvironment *);
 		virtual ~CgiApplicationEngine();
 
 		void process() const;
+		const cgicc::HTTPContentHeader * getHeader() const { return header; }
 		template <class Writer>
 		void write(const Writer & w) const
 		{
@@ -32,7 +33,7 @@ class CgiApplicationEngine : public ApplicationEngine {
 		PresenterPtr getPresenter(const std::string & group, const std::string & id) const;
 		const CgiEnvironment * _env;
 	protected:
-		cgicc::HTTPContentHeader * header;
+		mutable cgicc::HTTPContentHeader * header;
 	private:
 		mutable boost::shared_ptr<xmlpp::Document> doc;
 		class Stage {
diff --git a/project2/p2webMain.cpp b/project2/p2webMain.cpp
index a526f8d..ef070f0 100644
--- a/project2/p2webMain.cpp
+++ b/project2/p2webMain.cpp
@@ -30,11 +30,10 @@ int main(void)
 			try {
 				cgicc::Cgicc cgi(&IO);
 				CgiEnvironment env(&cgi);
-				cgicc::HTTPContentHeader header("text/xml-xslt");
-				CgiApplicationEngine app(&env, &header);
+				CgiApplicationEngine app(&env);
 				app.process();
 				IO << "Cache-control: no-cache" << std::endl;
-				header.render(IO);
+				app.getHeader()->render(IO);
 				xmlOutputBufferPtr out = xmlOutputBufferCreateIO(
 						xmlWrite, NULL, &IO, xmlGetCharEncodingHandler(XML_CHAR_ENCODING_UTF8));
 				app.write(boost::bind(xmlSaveFileTo, out, _1, "utf-8"));
@@ -54,8 +53,7 @@ int main(void)
 	else {
 		cgicc::Cgicc cgi(NULL);
 		CgiEnvironment env(&cgi);
-		cgicc::HTTPContentHeader header("text/xml-xslt");
-		CgiApplicationEngine app(&env, &header);
+		CgiApplicationEngine app(&env);
 		app.process();
 		app.write(boost::bind(xmlDocDump, realstdout, _1));
 	}
-- 
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