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author | William Joye <wjoye@cfa.harvard.edu> | 2017-12-08 18:59:21 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2017-12-08 18:59:21 (GMT) |
commit | 4432c8d7e1ccb371db03e13cdb5378fceaa5ad04 (patch) | |
tree | 52449d211eba99b24d2e4f6e66193f9511c60b59 /ast/stc.h | |
parent | d8a2dbd825159e4a57ec0c6f4465f62be9e05111 (diff) | |
download | blt-4432c8d7e1ccb371db03e13cdb5378fceaa5ad04.zip blt-4432c8d7e1ccb371db03e13cdb5378fceaa5ad04.tar.gz blt-4432c8d7e1ccb371db03e13cdb5378fceaa5ad04.tar.bz2 |
upgrade AST
Diffstat (limited to 'ast/stc.h')
-rw-r--r-- | ast/stc.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/ast/stc.h b/ast/stc.h new file mode 100644 index 0000000..1fe0b1b --- /dev/null +++ b/ast/stc.h @@ -0,0 +1,240 @@ +#if !defined( STC_INCLUDED ) /* Include this file only once */ +#define STC_INCLUDED +/* +*+ +* Name: +* stc.h + +* Type: +* C include file. + +* Purpose: +* Define the interface to the Stc class. + +* Invocation: +* #include "stc.h" + +* Description: +* This include file defines the interface to the Stc class and +* provides the type definitions, function prototypes and macros, +* etc. needed to use this class. +* +* The Stc class is an implementation of the IVOA STC class which forms +* part of the IVOA Space-Time Coordinate Metadata system. See: +* +* http://hea-www.harvard.edu/~arots/nvometa/STC.html + +* Inheritance: +* The Stc class inherits from the Region class. + +* Feature Test Macros: +* astCLASS +* If the astCLASS macro is undefined, only public symbols are +* made available, otherwise protected symbols (for use in other +* class implementations) are defined. This macro also affects +* the reporting of error context information, which is only +* provided for external calls to the AST library. + +* Copyright: +* Copyright (C) 1997-2006 Council for the Central Laboratory of the +* Research Councils + +* Licence: +* This program is free software: you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation, either +* version 3 of the License, or (at your option) any later +* version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General +* License along with this program. If not, see +* <http://www.gnu.org/licenses/>. + +* Authors: +* DSB: David S. Berry (Starlink) + +* History: +* 23-NOV-2004 (DSB): +* Original version. +*- +*/ + +/* Include files. */ +/* ============== */ +/* Interface definitions. */ +/* ---------------------- */ +#include "region.h" /* Coordinate regions (parent class) */ +#include "keymap.h" /* Lists of value/key pairs */ + +#if defined(astCLASS) /* Protected */ +#include "channel.h" /* I/O channels */ +#endif + +/* C header files. */ +/* --------------- */ +#if defined(astCLASS) /* Protected */ +#include <stddef.h> +#endif + +/* Macros. */ +/* ======= */ + + +#if defined(astCLASS) || defined(astFORTRAN77) +#define STATUS_PTR status +#else +#define STATUS_PTR astGetStatusPtr +#endif +#define AST__STCNAME "Name" +#define AST__STCVALUE "Value" +#define AST__STCERROR "Error" +#define AST__STCRES "Resolution" +#define AST__STCSIZE "Size" +#define AST__STCPIXSZ "PixSize" + +/* Type Definitions. */ +/* ================= */ +/* Stc structure. */ +/* ------------------ */ + +/* This structure contains all information that is unique to each object in + the class (e.g. its instance variables). */ +typedef struct AstStc { + +/* Attributes inherited from the parent class. */ + AstRegion parent_region; /* Parent class structure */ + +/* Attributes specific to objects in this class. */ + AstRegion *region; /* Encapsulated Region */ + AstKeyMap **coord; /* STC AstroCoords info */ + int ncoord; /* Number of AstroCoords in "coords" */ +} AstStc; + +/* Virtual function table. */ +/* ----------------------- */ +/* This table contains all information that is the same for all + objects in the class (e.g. pointers to its virtual functions). */ +#if defined(astCLASS) /* Protected */ +typedef struct AstStcVtab { + +/* Properties (e.g. methods) inherited from the parent class. */ + AstRegionVtab region_vtab; /* Parent class virtual function table */ + +/* A Unique identifier to determine class membership. */ + AstClassIdentifier id; + +/* Properties (e.g. methods) specific to this class. */ + const char *(* GetRegionClass)( AstStc *, int * ); + AstRegion *(* GetStcRegion)( AstStc *, int * ); + AstKeyMap *(* GetStcCoord)( AstStc *, int, int * ); + int (* GetStcNCoord)( AstStc *, int * ); + +} AstStcVtab; + +#if defined(THREAD_SAFE) + +/* Define a structure holding all data items that are global within the + object.c file. */ + +typedef struct AstStcGlobals { + AstStcVtab Class_Vtab; + int Class_Init; +} AstStcGlobals; + + +/* Thread-safe initialiser for all global data used by this module. */ +void astInitStcGlobals_( AstStcGlobals * ); + +#endif + + +#endif + +/* Function prototypes. */ +/* ==================== */ +/* Prototypes for standard class functions. */ +/* ---------------------------------------- */ +astPROTO_CHECK(Stc) /* Check class membership */ +astPROTO_ISA(Stc) /* Test class membership */ + +#if defined(astCLASS) /* Protected */ + +/* Initialiser. */ +AstStc *astInitStc_( void *, size_t, int, AstStcVtab *, const char *, + AstRegion *, int, AstKeyMap **, int * ); + +/* Vtab initialiser. */ +void astInitStcVtab_( AstStcVtab *, const char *, int * ); + +/* Loader. */ +AstStc *astLoadStc_( void *, size_t, AstStcVtab *, + const char *, AstChannel *, int * ); + +#endif + +/* Prototypes for member functions. */ +/* -------------------------------- */ +AstRegion *astGetStcRegion_( AstStc *, int * ); +AstKeyMap *astGetStcCoord_( AstStc *, int, int * ); +int astGetStcNCoord_( AstStc *, int * ); + +# if defined(astCLASS) /* Protected */ +const char *astGetRegionClass_( AstStc *, int * ); +#endif + +/* Function interfaces. */ +/* ==================== */ +/* These macros are wrap-ups for the functions defined by this class + to make them easier to invoke (e.g. to avoid type mis-matches when + passing pointers to objects from derived classes). */ + +/* Interfaces to standard class functions. */ +/* --------------------------------------- */ +/* Some of these functions provide validation, so we cannot use them + to validate their own arguments. We must use a cast when passing + object pointers (so that they can accept objects from derived + classes). */ + +/* Check class membership. */ +#define astCheckStc(this) astINVOKE_CHECK(Stc,this,0) +#define astVerifyStc(this) astINVOKE_CHECK(Stc,this,1) + +/* Test class membership. */ +#define astIsAStc(this) astINVOKE_ISA(Stc,this) + +#if defined(astCLASS) /* Protected */ + +/* Initialiser. */ +#define astInitStc(mem,size,init,vtab,name,reg,ncoords,coords) \ +astINVOKE(O,astInitStc_(mem,size,init,vtab,name,reg,ncoords,coords,STATUS_PTR)) + +/* Vtab Initialiser. */ +#define astInitStcVtab(vtab,name) astINVOKE(V,astInitStcVtab_(vtab,name,STATUS_PTR)) +/* Loader. */ +#define astLoadStc(mem,size,vtab,name,channel) \ +astINVOKE(O,astLoadStc_(mem,size,vtab,name,astCheckChannel(channel),STATUS_PTR)) +#endif + +/* Interfaces to public member functions. */ +/* -------------------------------------- */ +/* Here we make use of astCheckStc to validate Stc pointers + before use. This provides a contextual error report if a pointer + to the wrong sort of Object is supplied. */ + +#define astGetStcRegion(this) astINVOKE(O,astGetStcRegion_(astCheckStc(this),STATUS_PTR)) +#define astGetStcCoord(this,icoord) astINVOKE(O,astGetStcCoord_(astCheckStc(this),icoord,STATUS_PTR)) +#define astGetStcNCoord(this) astINVOKE(V,astGetStcNCoord_(astCheckStc(this),STATUS_PTR)) +#if defined(astCLASS) /* Protected */ +#define astGetRegionClass(this) astINVOKE(V,astGetRegionClass_(astCheckStc(this),STATUS_PTR)) +#endif +#endif + + + + + |