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/*-------------------------------------------------------------------------
*
* tgRecipe.h
* Tioga recipe-related definitions and declarations
* these functions can be used in both the frontend and the
* backend
*
* to use this header, you must also include
* "utils/geo-decls.h"
* and "libpq/libpq.h"
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: tgRecipe.h,v 1.15 2001/01/24 19:43:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include "libpq/libpq.h"
#ifndef TIOGA_FRONTEND
#include "libpq/libpq-be.h"
#include "utils/geo-decls.h"
#else
#include "libpq-fe.h"
typedef struct
{
double x,
y;
} Point; /* this should match whatever is in
*
*
*
*
*
*
*
*
*
*
*
* geo-decls.h */
#endif /* TIOGA_FRONTEND */
typedef enum
{
TG_INGRED,
TG_EYE,
TG_RECIPE
} TgElemType;
typedef enum
{
TG_SQL,
TG_C,
TG_RECIPE_GRAPH,
TG_COMPILED
} TgSrcLangType;
typedef enum
{
TG_INGRED_NODE,
TG_EYE_NODE,
TG_RECIPE_NODE,
TG_TEE_NODE /* tee nodes are not stored in the db we
* create them when we read the recipe
* back */
} TgNodeType;
/* -- type definition for setting up in memory Tioga recipe structure -- */
/* -- see 'recipe-schema.sql' for their corresponding database types -- */
typedef char *TgString;
typedef struct _tgelement *TgElementPtr;
typedef struct _tgnode *TgNodePtr;
typedef struct _tgrecipe *TgRecipePtr;
/* auto-generated header containing Arr_TgString, Arr_TgElementPtr,
and Arr_TgNodePtr */
#include "tioga/Arr_TgRecipe.h"
/* C structure representation of a Tioga Element */
typedef struct _tgelement
{
char *elemName; /* name of function this element represent */
TgElemType elemType; /* type of this element */
Arr_TgString *inPorts; /* names of inputs */
Arr_TgString *inTypes; /* name of input types */
Arr_TgString *outPorts; /* type of output */
Arr_TgString *outTypes; /* name of output types */
char *doc; /* description of this element */
Arr_TgString *keywords; /* keywords used to search for this
* element */
char *icon; /* iconic representation */
char *src; /* source code for this element */
TgSrcLangType srcLang; /* source language */
char *owner; /* owner recipe name */
} TgElement;
/* C structure representation of a Tioga Node */
typedef struct _tgnode
{
char *nodeName; /* name of this node */
TgNodeType nodeType; /* type of this node */
Point loc; /* screen location of the node. */
TgElement *nodeElem; /* the underlying element of this node */
Arr_TgNodePtr *inNodes; /* variable array of in node pointers a
* NULL TgNodePtr indicates a run-time
* parameter */
Arr_TgNodePtr *outNodes; /* variable array of out node pointers. */
} TgNode;
/* C structure representation of a Tioga Recipe */
typedef struct _tgrecipe
{
TgElement elmValue; /* "inherits" TgElement attributes. */
Arr_TgNodePtr *allNodes; /* array of all nodes for this recipe. */
Arr_TgNodePtr *rootNodes; /* array of root nodes for this recipe.
* root nodes are nodes with no parents */
Arr_TgNodePtr *eyes; /* array of pointers for the browser nodes
* recipe, execution of recipe starts by
* traversing the recipe C structure from
* the eye nodes pointed by these
* pointers. */
Arr_TgNodePtr *tees; /* array of pointers of all the tee nodes */
Arr_TgElementPtr *elements; /* array of all the elements in this
* recipe, elements may be shared by
* multiple nodes */
} TgRecipe;
/* functions defined in tgRecipe.c */
extern TgRecipe *retrieveRecipe(char *name);
extern TgElement *findElemInRecipe(TgRecipe * r, char *elemName);
extern TgNode *findNodeInRecipe(TgRecipe * r, char *nodeName);
/* ---- copyXXX functions ---- */
extern void copyTgElementPtr(TgElementPtr *, TgElementPtr *);
extern void copyTgNodePtr(TgNodePtr *, TgNodePtr *);
extern void copyTgRecipePtr(TgRecipePtr *, TgRecipePtr *);
extern void copyTgString(TgString *, TgString *);
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