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Diffstat (limited to 'ast/timeframe.h')
| -rw-r--r-- | ast/timeframe.h | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/ast/timeframe.h b/ast/timeframe.h new file mode 100644 index 0000000..4aae267 --- /dev/null +++ b/ast/timeframe.h @@ -0,0 +1,324 @@ +#if !defined( TIMEFRAME_INCLUDED ) /* Include this file only once */ +#define TIMEFRAME_INCLUDED +/* +*+ +* Name: +* timeframe.h + +* Type: +* C include file. + +* Purpose: +* Define the interface to the TimeFrame class. + +* Invocation: +* #include "timeframe.h" + +* Description: +* This include file defines the interface to the TimeFrame class +* and provides the type definitions, function prototypes and +* macros, etc. needed to use this class. + +* 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: +* 20-MAY-2005 (DSB): +* Original version. +*- +*/ + +/* Include files. */ +/* ============== */ +/* Interface definitions. */ +/* ---------------------- */ +#include "object.h" /* Base Object class */ +#include "frame.h" /* Parent Frame class */ +#include "skyframe.h" /* Celestial coordinate systems */ + +/* Macros. */ +/* ======= */ +#if defined(astCLASS) || defined(astFORTRAN77) +#define STATUS_PTR status +#else +#define STATUS_PTR astGetStatusPtr +#endif + +/* Define a dummy __attribute__ macro for use on non-GNU compilers. */ +#ifndef __GNUC__ +# define __attribute__(x) /*NOTHING*/ +#endif + +#if defined(astCLASS) /* Protected */ + +/* Values used to represent different System attribute values. */ +#define AST__MJD 1 +#define AST__JD 2 +#define AST__JEPOCH 3 +#define AST__BEPOCH 4 + +/* Values used to represent different TimeScale attribute values. */ +#define AST__BADTS 0 +#define AST__TAI 1 +#define AST__UTC 2 +#define AST__UT1 3 +#define AST__GMST 4 +#define AST__LAST 5 +#define AST__LMST 6 +#define AST__TT 7 +#define AST__TDB 8 +#define AST__TCB 9 +#define AST__TCG 10 +#define AST__LT 11 + +/* Define constants used to size global arrays in this module. */ +#define AST__TIMEFRAME_FORMAT_BUFF_LEN 200 +#define AST__TIMEFRAME_GETATTRIB_BUFF_LEN 50 +#define AST__TIMEFRAME_GETLABEL_BUFF_LEN 200 +#define AST__TIMEFRAME_GETSYMBOL_BUFF_LEN 20 +#define AST__TIMEFRAME_GETTITLE_BUFF_LEN 200 + +#endif + +/* Type Definitions. */ +/* ================= */ + +/* Integer type used to store the TimeScale attribute. */ +typedef int AstTimeScaleType; + +/* TimeFrame structure. */ +/* ------------------- */ +/* This structure contains all information that is unique to each object in + the class (e.g. its instance variables). */ +typedef struct AstTimeFrame { + +/* Attributes inherited from the parent class. */ + AstFrame frame; /* Parent class structure */ + +/* Attributes specific to objects in this class. */ + double ltoffset; /* Offset from UTC to Local Time */ + double timeorigin; /* Zero point for time axis */ + AstTimeScaleType timescale; /* Time scale */ + AstTimeScaleType aligntimescale; /* Alignment time scale */ +} AstTimeFrame; + +/* 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 AstTimeFrameVtab { + +/* Properties (e.g. methods) inherited from the parent class. */ + AstFrameVtab frame_vtab; /* Parent class virtual function table */ + +/* A Unique identifier to determine class membership. */ + AstClassIdentifier id; + +/* Properties (e.g. methods) specific to this class. */ + double (* CurrentTime)( AstTimeFrame *, int * ); + + double (* GetLTOffset)( AstTimeFrame *, int * ); + int (* TestLTOffset)( AstTimeFrame *, int * ); + void (* ClearLTOffset)( AstTimeFrame *, int * ); + void (* SetLTOffset)( AstTimeFrame *, double, int * ); + + double (* GetTimeOrigin)( AstTimeFrame *, int * ); + int (* TestTimeOrigin)( AstTimeFrame *, int * ); + void (* ClearTimeOrigin)( AstTimeFrame *, int * ); + void (* SetTimeOrigin)( AstTimeFrame *, double, int * ); + + AstTimeScaleType (* GetTimeScale)( AstTimeFrame *, int * ); + int (* TestTimeScale)( AstTimeFrame *, int * ); + void (* ClearTimeScale)( AstTimeFrame *, int * ); + void (* SetTimeScale)( AstTimeFrame *, AstTimeScaleType, int * ); + + AstTimeScaleType (* GetAlignTimeScale)( AstTimeFrame *, int * ); + int (* TestAlignTimeScale)( AstTimeFrame *, int * ); + void (* ClearAlignTimeScale)( AstTimeFrame *, int * ); + void (* SetAlignTimeScale)( AstTimeFrame *, AstTimeScaleType, int * ); + +} AstTimeFrameVtab; + +#if defined(THREAD_SAFE) + +/* Define a structure holding all data items that are global within this + class. */ +typedef struct AstTimeFrameGlobals { + AstTimeFrameVtab Class_Vtab; + int Class_Init; + char Format_Buff[ AST__TIMEFRAME_FORMAT_BUFF_LEN + 1 ]; + char GetAttrib_Buff[ AST__TIMEFRAME_GETATTRIB_BUFF_LEN + 1 ]; + char GetLabel_Buff[ AST__TIMEFRAME_GETLABEL_BUFF_LEN + 1 ]; + char GetSymbol_Buff[ AST__TIMEFRAME_GETSYMBOL_BUFF_LEN + 1 ]; + char GetTitle_Buff[ AST__TIMEFRAME_GETTITLE_BUFF_LEN + 1 ]; +} AstTimeFrameGlobals; + +#endif + +#endif + +/* Function prototypes. */ +/* ==================== */ +/* Prototypes for standard class functions. */ +/* ---------------------------------------- */ +astPROTO_CHECK(TimeFrame) /* Check class membership */ +astPROTO_ISA(TimeFrame) /* Test class membership */ + +/* Constructor. */ +#if defined(astCLASS) /* Protected */ +AstTimeFrame *astTimeFrame_( const char *, int *, ...); +#else +AstTimeFrame *astTimeFrameId_( const char *, ... )__attribute__((format(printf,1,2))); +#endif + +#if defined(astCLASS) /* Protected */ + +/* Initialiser. */ +AstTimeFrame *astInitTimeFrame_( void *, size_t, int, AstTimeFrameVtab *, + const char *, int * ); + +/* Vtab initialiser. */ +void astInitTimeFrameVtab_( AstTimeFrameVtab *, const char *, int * ); + +/* Loader. */ +AstTimeFrame *astLoadTimeFrame_( void *, size_t, AstTimeFrameVtab *, + const char *, AstChannel *channel, int * ); + +/* Thread-safe initialiser for all global data used by this module. */ +#if defined(THREAD_SAFE) +void astInitTimeFrameGlobals_( AstTimeFrameGlobals * ); +#endif + +#endif + +/* Prototypes for member functions. */ +/* -------------------------------- */ +double astCurrentTime_( AstTimeFrame *, int * ); + +#if defined(astCLASS) /* Protected */ + +double astGetLTOffset_( AstTimeFrame *, int * ); +int astTestLTOffset_( AstTimeFrame *, int * ); +void astClearLTOffset_( AstTimeFrame *, int * ); +void astSetLTOffset_( AstTimeFrame *, double, int * ); + +double astGetTimeOrigin_( AstTimeFrame *, int * ); +int astTestTimeOrigin_( AstTimeFrame *, int * ); +void astClearTimeOrigin_( AstTimeFrame *, int * ); +void astSetTimeOrigin_( AstTimeFrame *, double, int * ); + +AstTimeScaleType astGetTimeScale_( AstTimeFrame *, int * ); +int astTestTimeScale_( AstTimeFrame *, int * ); +void astClearTimeScale_( AstTimeFrame *, int * ); +void astSetTimeScale_( AstTimeFrame *, AstTimeScaleType, int * ); + +AstTimeScaleType astGetAlignTimeScale_( AstTimeFrame *, int * ); +int astTestAlignTimeScale_( AstTimeFrame *, int * ); +void astClearAlignTimeScale_( AstTimeFrame *, int * ); +void astSetAlignTimeScale_( AstTimeFrame *, AstTimeScaleType, 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 astCheckTimeFrame(this) astINVOKE_CHECK(TimeFrame,this,0) +#define astVerifyTimeFrame(this) astINVOKE_CHECK(TimeFrame,this,1) + +/* Test class membership. */ +#define astIsATimeFrame(this) astINVOKE_ISA(TimeFrame,this) + +/* Constructor. */ +#if defined(astCLASS) /* Protected */ +#define astTimeFrame astINVOKE(F,astTimeFrame_) +#else +#define astTimeFrame astINVOKE(F,astTimeFrameId_) +#endif + +#if defined(astCLASS) /* Protected */ + +/* Initialiser. */ +#define astInitTimeFrame(mem,size,init,vtab,name) \ +astINVOKE(O,astInitTimeFrame_(mem,size,init,vtab,name,STATUS_PTR)) + +/* Vtab Initialiser. */ +#define astInitTimeFrameVtab(vtab,name) astINVOKE(V,astInitTimeFrameVtab_(vtab,name,STATUS_PTR)) +/* Loader. */ +#define astLoadTimeFrame(mem,size,vtab,name,channel) \ +astINVOKE(O,astLoadTimeFrame_(mem,size,vtab,name,astCheckChannel(channel),STATUS_PTR)) + +#endif + +/* Interfaces to public member functions. */ +/* -------------------------------------- */ + +/* None. */ + +/* Interfaces to protected member functions. */ +/* ----------------------------------------- */ +/* Here we make use of astCheckTimeFrame to validate TimeFrame pointers + before use. This provides a contextual error report if a pointer to + the wrong sort of object is supplied. */ + +#define astCurrentTime(this) astINVOKE(V,astCurrentTime_(astCheckTimeFrame(this),STATUS_PTR)) + +#if defined(astCLASS) /* Protected */ + +#define astGetTimeOrigin(this) astINVOKE(V,astGetTimeOrigin_(astCheckTimeFrame(this),STATUS_PTR)) +#define astTestTimeOrigin(this) astINVOKE(V,astTestTimeOrigin_(astCheckTimeFrame(this),STATUS_PTR)) +#define astClearTimeOrigin(this) astINVOKE(V,astClearTimeOrigin_(astCheckTimeFrame(this),STATUS_PTR)) +#define astSetTimeOrigin(this,value) astINVOKE(V,astSetTimeOrigin_(astCheckTimeFrame(this),value,STATUS_PTR)) + +#define astGetLTOffset(this) astINVOKE(V,astGetLTOffset_(astCheckTimeFrame(this),STATUS_PTR)) +#define astTestLTOffset(this) astINVOKE(V,astTestLTOffset_(astCheckTimeFrame(this),STATUS_PTR)) +#define astClearLTOffset(this) astINVOKE(V,astClearLTOffset_(astCheckTimeFrame(this),STATUS_PTR)) +#define astSetLTOffset(this,value) astINVOKE(V,astSetLTOffset_(astCheckTimeFrame(this),value,STATUS_PTR)) + +#define astGetTimeScale(this) astINVOKE(V,astGetTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astTestTimeScale(this) astINVOKE(V,astTestTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astClearTimeScale(this) astINVOKE(V,astClearTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astSetTimeScale(this,value) astINVOKE(V,astSetTimeScale_(astCheckTimeFrame(this),value,STATUS_PTR)) + +#define astGetAlignTimeScale(this) astINVOKE(V,astGetAlignTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astTestAlignTimeScale(this) astINVOKE(V,astTestAlignTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astClearAlignTimeScale(this) astINVOKE(V,astClearAlignTimeScale_(astCheckTimeFrame(this),STATUS_PTR)) +#define astSetAlignTimeScale(this,value) astINVOKE(V,astSetAlignTimeScale_(astCheckTimeFrame(this),value,STATUS_PTR)) + +#endif +#endif + + + + + |