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diff Core/LoggingUtils.h @ 3359:815b81142ff7 emscripten-logging

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Enable custom logging functions to redirect to emscripten specific logging calls in the ORTHANC_ENABLE_LOGGING_STDIO mode.
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 07 May 2019 11:23:11 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/LoggingUtils.h	Tue May 07 11:23:11 2019 +0200
@@ -0,0 +1,30 @@
+#include <sstream>
+#include <iostream>
+
+namespace Orthanc
+{
+  namespace Logging
+  {
+
+    /**
+      std::streambuf subclass used in FunctionCallingStream
+    */
+    template<typename T>
+    class FuncStreamBuf : public std::stringbuf
+    {
+    public:
+      FuncStreamBuf(T func) : func_(func) {}
+
+      virtual int sync()
+      {
+        std::string text = this->str();
+        const char* buf = text.c_str();
+        func_(buf);
+        this->str("");
+        return 0;
+      }
+    private:
+      T func_;
+    };
+  }
+}
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