qt: Make toLogString helper public

* lang/qt/src/util.h: Move toLogString ...
* lang/qt/src/debug.h: ... here.
* lang/qt/tests/run-importjob.cpp (main): Use toLogString.
--

This allows using the helper in dependent projects without duplicating
it everywhere.

GnuPG-bug-id: 6584

3 files changed, 18 insertions, 13 deletions

diff --git a/lang/qt/src/debug.h b/lang/qt/src/debug.h
index 791726ca..03894768 100644
--- a/lang/qt/src/debug.h
+++ b/lang/qt/src/debug.h
@@ -36,6 +36,8 @@
 
 #include "qgpgme_export.h"
 
+#include <sstream>
+
 namespace GpgME
 {
 class Error;
@@ -45,4 +47,18 @@ class QDebug;
 
 QGPGME_EXPORT QDebug operator<<(QDebug debug, const GpgME::Error &err);
 
+namespace QGpgME
+{
+/**
+ * Helper to log GpgME objects which provide the output stream operator.
+ */
+template<class GpgMEClass>
+std::string toLogString(const GpgMEClass &object)
+{
+    std::stringstream stream;
+    stream << object;
+    return stream.str();
+}
+}
+
 #endif // QGPGME_DEBUG_H
diff --git a/lang/qt/src/util.h b/lang/qt/src/util.h
index 475d477b..626de3df 100644
--- a/lang/qt/src/util.h
+++ b/lang/qt/src/util.h
@@ -38,7 +38,6 @@
 
 #include <gpgme.h>
 
-#include <sstream>
 #include <string>
 #include <vector>
 
@@ -56,12 +55,4 @@ std::vector<std::string> toStrings(const QStringList &l);
 
 QStringList toFingerprints(const std::vector<GpgME::Key> &keys);
 
-template<class Result>
-std::string toLogString(const Result &result)
-{
-    std::stringstream stream;
-    stream << result;
-    return stream.str();
-}
-
 #endif // __QGPGME_UTIL_H__
diff --git a/lang/qt/tests/run-importjob.cpp b/lang/qt/tests/run-importjob.cpp
index b1814fa0..0ae92b09 100644
--- a/lang/qt/tests/run-importjob.cpp
+++ b/lang/qt/tests/run-importjob.cpp
@@ -34,6 +34,7 @@
  #include "config.h"
 #endif
 
+#include <debug.h>
 #include <importjob.h>
 #include <importresult.h>
 #include <protocol.h>
@@ -44,7 +45,6 @@
 #include <QDebug>
 
 #include <set>
-#include <sstream>
 
 GpgME::Protocol guessProtocol(const QString &filename)
 {
@@ -90,9 +90,7 @@ int main(int argc, char **argv)
     auto job = (protocol == GpgME::CMS ? QGpgME::smime() : QGpgME::openpgp())->importJob();
     const auto result = job->exec(keyData);
     qDebug() << "Result error:" << result.error().asString();
-    std::ostringstream ostr;
-    ostr << result;
-    for (const auto &line : QString::fromStdString(ostr.str()).split('\n')) {
+    for (const auto &line : QString::fromStdString(QGpgME::toLogString(result)).split('\n')) {
         qDebug().noquote() << line;
     }
     return 0;