Undefaulted bool params of ContentResponse::build()

This resulted in compiler aided discovery of all call sites where the
default values were used. For OPDS/catalog requests now passing true for the
`raw` parameter, since XML content isn't supposed to undergo any
transformations.

src/server/internalServer.cpp

@@ -823,7 +823,9 @@ std::unique_ptr<Response> InternalServer::handle_search(const RequestContext& re
       /*isHomePage =*/false,
       /*raw =*/true);
     }
-    auto response = ContentResponse::build(*this, renderer.getHtml(), "text/html; charset=utf-8");
+    auto response = ContentResponse::build(*this, renderer.getHtml(), "text/html; charset=utf-8",
+                                           /*isHomePage =*/false,
+                                           /*raw =*/false);
     // XXX: Now this has to be handled by the iframe-based viewer which
     // XXX: has to resolve if the book selection resulted in a single book.
     /*
@@ -953,7 +955,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog(const RequestContext& r
   auto response = ContentResponse::build(
       *this,
       opdsDumper.dumpOPDSFeed(bookIdsToDump, request.get_query()),
-      "application/atom+xml; profile=opds-catalog; kind=acquisition; charset=utf-8");
+      "application/atom+xml; profile=opds-catalog; kind=acquisition; charset=utf-8",
+      /*isHomePage*/ false,
+      /*raw*/ true);
   return std::move(response);
 }
 

src/server/internalServer_catalog_v2.cpp

@@ -103,7 +103,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_entries(const Reques
   return ContentResponse::build(
              *this,
              opdsFeed,
-             "application/atom+xml;profile=opds-catalog;kind=acquisition"
+             "application/atom+xml;profile=opds-catalog;kind=acquisition",
+             /*isHomePage*/ false,
+             /*raw*/ true
   );
 }
 
@@ -123,7 +125,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_complete_entry(const
   return ContentResponse::build(
              *this,
              opdsFeed,
-             "application/atom+xml;type=entry;profile=opds-catalog"
+             "application/atom+xml;type=entry;profile=opds-catalog",
+             /*isHomePage*/ false,
+             /*raw*/ true
   );
 }
 
@@ -135,7 +139,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_categories(const Req
   return ContentResponse::build(
              *this,
              opdsDumper.categoriesOPDSFeed(),
-             "application/atom+xml;profile=opds-catalog;kind=navigation"
+             "application/atom+xml;profile=opds-catalog;kind=navigation",
+             /*isHomePage*/ false,
+             /*raw*/ true
   );
 }
 
@@ -147,7 +153,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_languages(const Requ
   return ContentResponse::build(
              *this,
              opdsDumper.languagesOPDSFeed(),
-             "application/atom+xml;profile=opds-catalog;kind=navigation"
+             "application/atom+xml;profile=opds-catalog;kind=navigation",
+             /*isHomePage*/ false,
+             /*raw*/ true
   );
 }
 
@@ -158,7 +166,13 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_illustration(const R
     auto book = mp_library->getBookByIdThreadSafe(bookId);
     auto size = request.get_argument<unsigned int>("size");
     auto illustration = book.getIllustration(size);
-    return ContentResponse::build(*this, illustration->getData(), illustration->mimeType);
+    return ContentResponse::build(
+               *this,
+               illustration->getData(),
+               illustration->mimeType,
+               /*isHomePage*/ false,
+               /*raw*/ true
+    );
   } catch(...) {
     return HTTP404Response(*this, request)
            + urlNotFoundMsg;

src/server/response.cpp

@@ -448,7 +448,7 @@ std::unique_ptr<ContentResponse> ContentResponse::build(
   const std::string& mimetype)
 {
   auto content = render_template(template_str, data);
-  return ContentResponse::build(server, content, mimetype);
+  return ContentResponse::build(server, content, mimetype, /*isHomePage*/false, /*raw*/false);
 }
 
 ItemResponse::ItemResponse(bool verbose, const zim::Item& item, const std::string& mimetype, const ByteRange& byterange) :

src/server/response.h

@@ -92,8 +92,8 @@ class ContentResponse : public Response {
       const InternalServer& server,
       const std::string& content,
       const std::string& mimetype,
-      bool isHomePage = false,
+      bool isHomePage,
-      bool raw = false);
+      bool raw);
 
     static std::unique_ptr<ContentResponse> build(
       const InternalServer& server,