From 272b34c1a4639cd0f909bfb52d30339c93b0c42b Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Fri, 6 Jun 2014 22:00:39 +0200
Subject: Implemented WarningCapacitor as a counterpart to ErrorCapacitor * in
 difference to ErrorCapacitor this class doesn't throw an exception on
 "discharge" but returns the gathered warnings * adapted FunctionTransform and
 frontend error handling to include warnings * added static "try_create"
 method to TransformationFacade ** wraps construction error handling ** custom
 logic may be embedded using the std::function argument *** this was
 implemented to prevent unneccessary code duplication for handling both
 construction and generation errors * adapted FunctionTransform to return
 warning as "warning" nodes in the result tree ** added functional lambda
 expression factory method "handleErrors" *** returns a error handling lambda
 expression for a given ResultNodeFacade * implemented WarningGuard class in
 frontend executable ** guarantees warnings to be printed to std::cerr
 independent of any exceptions

---
 src/support/error/warning_capacitor.cc | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/support/error/warning_capacitor.cc

(limited to 'src/support/error/warning_capacitor.cc')

diff --git a/src/support/error/warning_capacitor.cc b/src/support/error/warning_capacitor.cc
new file mode 100644
index 0000000..f8d2b99
--- /dev/null
+++ b/src/support/error/warning_capacitor.cc
@@ -0,0 +1,26 @@
+#include "warning_capacitor.h"
+
+namespace InputXSLT {
+
+WarningCapacitor::WarningCapacitor(ErrorMultiplexer* multiplexer):
+	ErrorMultiplexer::receiver(multiplexer),
+	warning_cache_(new warning_cache()) { }
+
+auto WarningCapacitor::discharge() -> warning_cache_ptr {
+	warning_cache_ptr tmp(std::move(this->warning_cache_));
+
+	this->warning_cache_.reset(new warning_cache());
+
+	return std::move(tmp);
+}
+
+void WarningCapacitor::receive(
+	const ErrorMultiplexer::error_type type,
+	const std::string& message
+) {
+	if ( type == ErrorMultiplexer::error_type::warning ) {
+		this->warning_cache_->emplace_back(message);
+	}
+}
+
+}
-- 
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