mirror of
https://github.com/cookiengineer/audacity
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a1eeb528b7
... Don't do it at the low level of construction of a command object. Do it only at the highest possible level, where an external scripting module or Nyquist calls into the command framework. Pass the project pointer down where it is needed.
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/**********************************************************************
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Audacity - A Digital Audio Editor
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Copyright 1999-2009 Audacity Team
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File License: wxWidgets
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Dan Horgan
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******************************************************************//**
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\file CommandBuilder.h
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\brief Contains declaration of CommandBuilder class.
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*//*******************************************************************/
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#ifndef __COMMANDBUILDER__
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#define __COMMANDBUILDER__
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#include "../MemoryX.h"
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class AudacityProject;
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class OldStyleCommand;
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using OldStyleCommandPointer = std::shared_ptr<OldStyleCommand>;
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class wxString;
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// CommandBuilder has the task of validating and interpreting a command string.
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// If the string represents a valid command, it builds the command object.
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class CommandBuilder
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{
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private:
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bool mValid;
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OldStyleCommandPointer mCommand;
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wxString mError;
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void Failure(const wxString &msg = {});
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void Success(const OldStyleCommandPointer &cmd);
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void BuildCommand( AudacityProject *project,
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const wxString &cmdName, const wxString &cmdParams);
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void BuildCommand( AudacityProject *project, const wxString &cmdString);
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public:
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CommandBuilder(AudacityProject *project, const wxString &cmdString);
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CommandBuilder(AudacityProject *project, const wxString &cmdName,
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const wxString &cmdParams);
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~CommandBuilder();
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bool WasValid();
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OldStyleCommandPointer GetCommand();
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const wxString &GetErrorMessage();
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};
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#endif /* End of include guard: __COMMANDBUILDER__ */
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