introduce a new command line option '--' to the main app

SebDieBln · SebDieBln · commit b4561a92836d · 2015-11-22T21:55:34.000+01:00
all arguments after this option are treated as files, not options
includes a test
diff --git a/src/app/main.cpp b/src/app/main.cpp
@@ -133,7 +133,8 @@ void usage( std::string const & appName )
             << "\t[--dxf-scale-denom scale]\tscale for dxf output\n"
             << "\t[--dxf-encoding encoding]\tencoding to use for dxf output\n"
             << "\t[--dxf-preset visiblity-preset]\tlayer visibility preset to use for dxf output\n"
-            << "\t[--help]\t\tthis text\n\n"
+            << "\t[--help]\t\tthis text\n"
+            << "\t[--]\t\ttreat all following arguments as FILEs\n\n"
             << "  FILE:\n"
             << "    Files specified on the command line can include rasters,\n"
             << "    vectors, and QGIS project files (.qgs): \n"
@@ -683,6 +684,11 @@ int main( int argc, char *argv[] )
       {
         dxfPreset = args[++i];
       }
+      else if ( arg == "--" )
+      {
+        for ( i++; i < args.size(); ++i )
+          myFileList.append( QDir::toNativeSeparators( QFileInfo( args[i] ).absoluteFilePath() ) );
+      }
       else
       {
         myFileList.append( QDir::toNativeSeparators( QFileInfo( args[i] ).absoluteFilePath() ) );
diff --git a/tests/src/python/test_qgsappstartup.py b/tests/src/python/test_qgsappstartup.py
@@ -165,6 +165,17 @@ def testPyQgisStartupEnvVar(self):
             timeOut=15,
             env={'PYQGIS_STARTUP': testmod}), msg
 
+    def testOptionsAsFiles(self):
+        # verify QGIS accepts filenames that match options after the special option '--'
+        # '--help' should return immediatly (after displaying the usage hints)
+        # '-- --help' should not exit but try (and probably fail) to load a layer called '--help'
+        for t in [(False, ['--help']), (True, ['--', '--help'])]:
+            assert t[0] == self.doTestStartup(option="--configpath",
+                                              testDir=os.path.join(self.TMP_DIR, 'test_optionsAsFiles'),
+                                              testFile="qgis.db",
+                                              timeOut=15,
+                                              additionalArguments = t[1]), "additional arguments: %s" % ' '.join(t[1])
+
 
 if __name__ == '__main__':
     # look for qgis bin path
