specmgr.h #1

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/*******************************************************************************
 * Name		: specmgr.h
 *
 * Author	: Tony Smith <tony@perforce.com> or <tony@smee.org>
 *
 * Description	: Perl bindings for the Perforce API. Class for handling
 * 		  Perforce specs. This class provides other classes with
 * 		  generic support for parsing and formatting Perforce
 *		  specs.
 *
 ******************************************************************************/

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 Perl hashes, and returns
	// a reference to the hash.
	//
	SV *	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 Perl 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, HV * hash, StrBuf &b, Error *e);

	//
	// Convert a Perforce StrDict into a Perl hash, returning a 
	// reference to that hash. If a hashref is supplied, then
	// that hash is used, otherwise a new one is created.
	//
	SV *	StrDictToHash( StrDict *dict, SV *hashref = 0 );

	// 
	// 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.
	//
	// This returns a reference to the P4::Spec object, which is 
	// really a Hash with some extras.
	//
	SV *	StrDictToSpec( StrDict *dict, StrPtr *specDef );


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

    private:

	void	SplitKey( const StrPtr *key, StrBuf &base, StrBuf &index );
	void	InsertItem( HV * hash, const StrPtr *var, const StrPtr *val );
	SV *	NewSpec( StrPtr *specDef );
	SV *	SpecFields( StrPtr *specDef );

    private:
	int		debug;
	StrBufDict *	specs;
};