Introduce the session command

Offers a JSON-based API for interaction with other tools via stdin/
stdout.
This allows for proper qbs support in IDEs that do not use Qt or even
C++.

Change-Id: Ib051a40b7ebe1c6e0c3147cca9bd96e7daec1fde
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/lib/corelib/tools/processresult.cpp b/src/lib/corelib/tools/processresult.cpp
index 12e45b251..3fb2f8dbc 100644
--- a/src/lib/corelib/tools/processresult.cpp
+++ b/src/lib/corelib/tools/processresult.cpp
@@ -39,6 +39,9 @@
 #include "processresult.h"
 #include "processresult_p.h"
 
+#include <QtCore/qjsonarray.h>
+#include <QtCore/qjsonobject.h>
+
 /*!
  * \class SetupProjectParameters
  * \brief The \c ProcessResult class describes a finished qbs process command.
@@ -129,4 +132,31 @@ QStringList ProcessResult::stdErr() const
     return d->stdErr;
 }
 
+static QJsonValue processErrorToJson(QProcess::ProcessError error)
+{
+    switch (error) {
+    case QProcess::FailedToStart: return QLatin1String("failed-to-start");
+    case QProcess::Crashed: return QLatin1String("crashed");
+    case QProcess::Timedout: return QLatin1String("timed-out");
+    case QProcess::WriteError: return QLatin1String("write-error");
+    case QProcess::ReadError: return QLatin1String("read-error");
+    case QProcess::UnknownError: return QStringLiteral("unknown-error");
+    }
+    return {}; // For dumb compilers.
+}
+
+QJsonObject qbs::ProcessResult::toJson() const
+{
+    return QJsonObject{
+        {QStringLiteral("success"), success()},
+        {QStringLiteral("executable-file-path"), executableFilePath()},
+        {QStringLiteral("arguments"), QJsonArray::fromStringList(arguments())},
+        {QStringLiteral("working-directory"), workingDirectory()},
+        {QStringLiteral("error"), processErrorToJson(error())},
+        {QStringLiteral("exit-code"), exitCode()},
+        {QStringLiteral("stdout"), QJsonArray::fromStringList(stdOut())},
+        {QStringLiteral("stderr"), QJsonArray::fromStringList(stdErr())}
+    };
+}
+
 } // namespace qbs