qt, cpp: Support export modes

* lang/cpp/context.cpp, lang/cpp/context.h
(Context::startPublicKeyExport, Context::exportPublicKeys): Extend
with flags paramenter.
(Context::ExportMode): New.
* lang/qt/src/exportjob.h (ExportJob::setExportMode): New.
* lang/qt/src/qgpgmeexportjob.cpp, lang/qt/src/qgpgmeexportjob.h:
Update accordingly.

--
This adds the C++ and Qt API for export modes.

6 files changed, 72 insertions, 14 deletions

diff --git a/NEWS b/NEWS
index 0a7816f1..dad97182 100644
--- a/NEWS
+++ b/NEWS
@@ -30,9 +30,13 @@ Noteworthy changes in version 1.14.0 (unreleased)
  cpp: UserID::remark                          NEW.
  cpp: UserID::remarks                         NEW.
  cpp: GpgSignKeyEditInteractor::setDupeOk     NEW.
+ cpp: Context::exportPublicKeys          EXTENDED: New param 'flags'.
+ cpp: Context::startPublicKeyExport      EXTENDED: New param 'flags'.
+ cpp: Context::ExportMode                     NEW.
  qt: SignKeyJob::setDupeOk                    NEW.
  qt: SignKeyJob::setRemark                    NEW.
  qt: GpgCardJob                               NEW.
+ qt: ExportJob::setExportFlags                NEW.
 
 
 Noteworthy changes in version 1.13.1 (2019-06-13)
diff --git a/lang/cpp/src/context.cpp b/lang/cpp/src/context.cpp
index 002b20f5..2560a338 100644
--- a/lang/cpp/src/context.cpp
+++ b/lang/cpp/src/context.cpp
@@ -563,44 +563,66 @@ KeyGenerationResult Context::keyGenerationResult() const
     }
 }
 
-Error Context::exportPublicKeys(const char *pattern, Data &keyData)
+Error Context::exportPublicKeys(const char *pattern, Data &keyData, unsigned int flags)
 {
     d->lastop = Private::Export;
     Data::Private *const dp = keyData.impl();
-    return Error(d->lasterr = gpgme_op_export(d->ctx, pattern, 0, dp ? dp->data : nullptr));
+    return Error(d->lasterr = gpgme_op_export(d->ctx, pattern, flags, dp ? dp->data : nullptr));
 }
 
-Error Context::exportPublicKeys(const char *patterns[], Data &keyData)
+Error Context::exportPublicKeys(const char *patterns[], Data &keyData, unsigned int flags)
 {
     d->lastop = Private::Export;
 #ifndef HAVE_GPGME_EXT_KEYLIST_MODE_EXTERNAL_NONBROKEN
     if (!patterns || !patterns[0] || !patterns[1]) {
         // max. one pattern -> use the non-ext version
-        return exportPublicKeys(patterns ? patterns[0] : nullptr, keyData);
+        return exportPublicKeys(patterns ? patterns[0] : nullptr, keyData, flags);
     }
 #endif
     Data::Private *const dp = keyData.impl();
-    return Error(d->lasterr = gpgme_op_export_ext(d->ctx, patterns, 0, dp ? dp->data : nullptr));
+    return Error(d->lasterr = gpgme_op_export_ext(d->ctx, patterns, flags, dp ? dp->data : nullptr));
 }
 
-Error Context::startPublicKeyExport(const char *pattern, Data &keyData)
+Error Context::startPublicKeyExport(const char *pattern, Data &keyData, unsigned int flags)
 {
     d->lastop = Private::Export;
     Data::Private *const dp = keyData.impl();
-    return Error(d->lasterr = gpgme_op_export_start(d->ctx, pattern, 0, dp ? dp->data : nullptr));
+    return Error(d->lasterr = gpgme_op_export_start(d->ctx, pattern, flags, dp ? dp->data : nullptr));
 }
 
-Error Context::startPublicKeyExport(const char *patterns[], Data &keyData)
+Error Context::startPublicKeyExport(const char *patterns[], Data &keyData, unsigned int flags)
 {
     d->lastop = Private::Export;
 #ifndef HAVE_GPGME_EXT_KEYLIST_MODE_EXTERNAL_NONBROKEN
     if (!patterns || !patterns[0] || !patterns[1]) {
         // max. one pattern -> use the non-ext version
-        return startPublicKeyExport(patterns ? patterns[0] : nullptr, keyData);
+        return startPublicKeyExport(patterns ? patterns[0] : nullptr, keyData, flags);
     }
 #endif
     Data::Private *const dp = keyData.impl();
-    return Error(d->lasterr = gpgme_op_export_ext_start(d->ctx, patterns, 0, dp ? dp->data : nullptr));
+    return Error(d->lasterr = gpgme_op_export_ext_start(d->ctx, patterns, flags, dp ? dp->data : nullptr));
+}
+
+
+/* Same as above but without flags  */
+Error Context::exportPublicKeys(const char *pattern, Data &keyData)
+{
+    return exportPublicKeys(pattern, keyData, 0);
+}
+
+Error Context::exportPublicKeys(const char *patterns[], Data &keyData)
+{
+    return exportPublicKeys(patterns, keyData, 0);
+}
+
+Error Context::startPublicKeyExport(const char *pattern, Data &keyData)
+{
+    return startPublicKeyExport(pattern, keyData, 0);
+}
+
+Error Context::startPublicKeyExport(const char *patterns[], Data &keyData)
+{
+    return startPublicKeyExport(patterns, keyData, 0);
 }
 
 ImportResult Context::importKeys(const Data &data)
diff --git a/lang/cpp/src/context.h b/lang/cpp/src/context.h
index b6b902a9..70f1c429 100644
--- a/lang/cpp/src/context.h
+++ b/lang/cpp/src/context.h
@@ -182,11 +182,25 @@ public:
     //
     // Key Export
     //
+    enum ExportMode {
+        ExportDefault = 0,
+        ExportExtern = 2,
+        ExportMinimal = 4,
+        ExportSecret = 16,
+        ExportRaw = 32,
+        ExportPKCS12 = 64,
+        ExportNoUID = 128,
+        ExportSSH = 256,
+    };
 
     GpgME::Error exportPublicKeys(const char *pattern, Data &keyData);
+    GpgME::Error exportPublicKeys(const char *pattern, Data &keyData, unsigned int flags);
     GpgME::Error exportPublicKeys(const char *pattern[], Data &keyData);
+    GpgME::Error exportPublicKeys(const char *pattern[], Data &keyData, unsigned int export_mode);
     GpgME::Error startPublicKeyExport(const char *pattern, Data &keyData);
+    GpgME::Error startPublicKeyExport(const char *pattern, Data &keyData, unsigned int flags);
     GpgME::Error startPublicKeyExport(const char *pattern[], Data &keyData);
+    GpgME::Error startPublicKeyExport(const char *pattern[], Data &keyData, unsigned int export_mode);
 
     //
     // Key Import
diff --git a/lang/qt/src/exportjob.h b/lang/qt/src/exportjob.h
index fc1f7ae1..7f79ea08 100644
--- a/lang/qt/src/exportjob.h
+++ b/lang/qt/src/exportjob.h
@@ -79,6 +79,8 @@ public:
     */
     virtual GpgME::Error start(const QStringList &patterns) = 0;
 
+    virtual void setExportFlags (unsigned int flags);
+
 Q_SIGNALS:
     void result(const GpgME::Error &result, const QByteArray &keyData, const QString &auditLogAsHtml = QString(), const GpgME::Error &auditLogError = GpgME::Error());
 };
diff --git a/lang/qt/src/qgpgmeexportjob.cpp b/lang/qt/src/qgpgmeexportjob.cpp
index e2ce1f97..bf3297a7 100644
--- a/lang/qt/src/qgpgmeexportjob.cpp
+++ b/lang/qt/src/qgpgmeexportjob.cpp
@@ -52,14 +52,15 @@ using namespace QGpgME;
 using namespace GpgME;
 
 QGpgMEExportJob::QGpgMEExportJob(Context *context)
-    : mixin_type(context)
+    : mixin_type(context),
+      m_flags(0)
 {
     lateInitialization();
 }
 
 QGpgMEExportJob::~QGpgMEExportJob() {}
 
-static QGpgMEExportJob::result_type export_qba(Context *ctx, const QStringList &patterns)
+static QGpgMEExportJob::result_type export_qba(Context *ctx, const QStringList &patterns, unsigned int flags)
 {
 
     const _detail::PatternConverter pc(patterns);
@@ -67,7 +68,7 @@ static QGpgMEExportJob::result_type export_qba(Context *ctx, const QStringList &
     QGpgME::QByteArrayDataProvider dp;
     Data data(&dp);
 
-    const Error err = ctx->exportPublicKeys(pc.patterns(), data);
+    const Error err = ctx->exportPublicKeys(pc.patterns(), data, flags);
     Error ae;
     const QString log = _detail::audit_log_as_html(ctx, ae);
     return std::make_tuple(err, dp.data(), log, ae);
@@ -75,7 +76,17 @@ static QGpgMEExportJob::result_type export_qba(Context *ctx, const QStringList &
 
 Error QGpgMEExportJob::start(const QStringList &patterns)
 {
-    run(std::bind(&export_qba, std::placeholders::_1, patterns));
+    run(std::bind(&export_qba, std::placeholders::_1, patterns, m_flags));
     return Error();
 }
+
+void QGpgMEExportJob::setExportFlags(unsigned int flags)
+{
+    m_flags = flags;
+}
+
+/* For ABI compat not pure virtual. */
+void ExportJob::setExportFlags(unsigned int)
+{
+}
 #include "qgpgmeexportjob.moc"
diff --git a/lang/qt/src/qgpgmeexportjob.h b/lang/qt/src/qgpgmeexportjob.h
index d529feec..3f6bd0e2 100644
--- a/lang/qt/src/qgpgmeexportjob.h
+++ b/lang/qt/src/qgpgmeexportjob.h
@@ -59,7 +59,12 @@ public:
     ~QGpgMEExportJob();
 
     /* from ExportJob */
+    void setExportFlags (unsigned int flags) Q_DECL_OVERRIDE;
+
+    /* from ExportJob */
     GpgME::Error start(const QStringList &patterns) Q_DECL_OVERRIDE;
+private:
+    unsigned int m_flags;
 };
 
 }