mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
32 lines
1012 B
Plaintext
32 lines
1012 B
Plaintext
class QgsPythonRunner
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{
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%TypeHeaderCode
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#include <qgspythonrunner.h>
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%End
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public:
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/** Returns true if the runner has an instance
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(and thus is able to run commands) */
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static bool isValid();
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/** Execute a python statement */
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static bool run( const QString& command, const QString& messageOnError = QString() );
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/** Eval a python statement */
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static bool eval( const QString& command, QString& result );
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/** Assign an instance of python runner so that run() can be used.
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This method should be called during app initialization.
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Takes ownership of the object, deletes previous instance. */
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static void setInstance( QgsPythonRunner* runner /Transfer/ );
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protected:
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/** Protected constructor: can be instantiated only from children */
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QgsPythonRunner();
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virtual ~QgsPythonRunner();
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virtual bool runCommand( QString command, QString messageOnError = QString() ) = 0;
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virtual bool evalCommand( QString command, QString& result ) = 0;
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};
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