SpecMgr.h #1

/*******************************************************************************

Copyright (c) 1997-2007, Perforce Software, Inc.  All rights reserved.
Portions Copyright (c) 1999, Mike Meyer. All rights reserved.
Portions Copyright (c) 2004-2007, Robert Cowham. All rights reserved.

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/*******************************************************************************
 * Name		: SpecMgr.h
 *
 * Description	: Python bindings for the Perforce API. Class for handling
 * 		  Perforce specs. This class provides other classes with
 * 		  generic support for parsing and formatting Perforce
 *		  specs.
 *
 ******************************************************************************/

#ifndef SPEC_MGR_H
#define SPEC_MGR_H

class StrBufDict;

class SpecMgr 
{
public:
	SpecMgr();
	~SpecMgr();
	
	void	SetDebug( int i )	{ debug = i; }

	// Clear the spec cache and revert to internal defaults
	void	Reset();

	// Add a spec to the cache
	void	AddSpecDef( const char *type, StrPtr &specDef );
	void	AddSpecDef( const char *type, const char * specDef );

	// Check that a type of spec is known.
	int	HaveSpecDef( const char *type );

	//
	// Parse routine: converts strings into Python dicts.
	//
	PyObject * StringToSpec( const char *type, const char *spec, Error *e );

	//
	// Format routine. updates a StrBuf object with the form; 
	// that can then be converted to a Ruby string where required. One
	// routine for when we know the type of spec, and one for when we
	// don't.
	//
	void	SpecToString(const char *type, PyObject * pydict, StrBuf &b, Error *e);

	//
	// Convert a Perforce StrDict into a Python dict.
	//
	PyObject * StrDictToDict( StrDict *dict, PyObject * pydict = NULL );

	// 
	// Convert a Perforce StrDict into a P4.Spec object. This is for
	// 2005.2 and later servers where the forms are supplied pre-parsed
	// into a dictionary - we just need to convert them. In this case,
	// we have the spec, but we don't know what type of spec it is.
	//
	PyObject * StrDictToSpec( StrDict *dict, StrPtr *specDef );


	//
	// Return a list of the fields in a given type of spec. Return Py_None
	// if the spec type is not known.
	//
	PyObject * SpecFields( const char *type );

private:

	void	SplitKey( const StrPtr *key, StrBuf &base, StrBuf &index );
	void	InsertItem( PyObject * pydict, const StrPtr *var, const StrPtr *val );
	PyObject * NewSpec( StrPtr *specDef );
	PyObject * SpecFields( StrPtr *specDef );
	
private:
	int		debug;
	StrBufDict *	specs;
};

#endif