From e8d02209e8cc2d18ed2ca09cf5e1990f97ac3ff5 Mon Sep 17 00:00:00 2001
From: Tobias Hunger <tobias.hunger@theqtcompany.com>
Date: Fri, 24 Oct 2014 17:27:24 +0200
Subject: [PATCH] JsonWizard: Add a way to check for existence of a variable
Change-Id: Ia1368334156c33ca270b5cc7d946efcdb7b635a8
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
---
src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp b/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
index 9970140545c..57bf6a6df0c 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
+++ b/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
@@ -54,6 +54,13 @@ JsonWizard::JsonWizard(QWidget *parent) :
}
return v.isValid();
});
+ m_expander.registerPrefix("Exists", tr("Check whether a variable exists. Returns \"true\" if it does and an empty string if not."),
+ [this](const QString &value) -> QString
+ {
+ const QString key = QString::fromLatin1("%{") + value + QLatin1Char('}');
+ return m_expander.expand(key) == key ? QString() : QLatin1String("true");
+ });
+
}
JsonWizard::~JsonWizard()
--
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