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C Copyright 1981-2007 ECMWF
C
C Licensed under the GNU Lesser General Public License which
C incorporates the terms and conditions of version 3 of the GNU
C General Public License.
C See LICENSE and gpl-3.0.txt for details.
C
SUBROUTINE BUFREX(KBUFL,KBUFF,KSUP,KSEC0,KSEC1,KSEC2,KSEC3,KSEC4,
2 KELEM,CNAMES,CUNITS,KVALS,VALUES,CVALS,KERR)
C
C**** *BUFREX*
C
C
C PURPOSE.
C --------
C DECODE BUFR MESSAGE INTO FULLY EXPANDED FORM; RETURNING
C INFORMATION RELEVANT FOR ALL BUFR SECTIONS, EXPANDED VALUES,
C THEIR NAMES AND UNITS.
C
C
C** INTERFACE.
C ----------
C
C *CALL* *BUFREX(KBUFL,KBUFF,KSUP,KSEC0,KSEC1,KSEC2,KSEC3,KSEC4,
C 1 KELEM,CNAMES,CUNITS,KVALS,VALUES,CVALS,KERR)*
C
C INPUT :
C *KBUFL* - LENGTH OF BUFR MESSAGE (WORDS)
C *KBUFF* - INTEGER ARRAY CONTAINING BUFR MESSAGE
C *KELEM* - INTEGER (EXPECTED NUMBER OF EXPANDED ELEMENTS)
C *KVALS* - INTEGER (EXPECTED NUMBER OF DATA VALUES)
C OUTPUT:
C *KSUP* - INTEGER ARRAY OF 9 WORDS CONTAINING
C SUPLEMENTARY INFORMATION
C - KSUP( 1) -- IDIM1, DIMENSION OF KSEC1
C - KSUP( 2) -- IDIM2, DIMENSION OF KSEC2
C - KSUP( 3) -- IDIM3, DIMENSION OF KSEC3
C - KSUP( 4) -- IDIM4, DIMENSION OF KSEC4
C - KSUP( 5) -- M (NUMBER OF ELEMENTS IN VALUES
C ARRAY, FIRST INDEX)
C - KSUP( 6) -- N (NUMBER OF SUBSETS,SECOND INDEX
C OF VALUES ARRAY)
C - KSUP( 7) -- JVC (NUMBER OF ELEMENTS IN CVAL ARRAY)
C - KSUP( 8) -- TOTAL BUFR MESSAGE LENGTH IN BYTES
C - KSUP( 9) -- IDIM0, DIMENSION OF KSEC0
C
C *KSEC0* - INTEGER ARRAY OF 3 WORDS CONTAINING
C BUFR SECTION 0 INFORMATION
C KSEC0( 1)-- LENGTH OF SECTION 0 (BYTES)
C KSEC0( 2)-- TOTAL LENGTH OF BUFR MESSAGE (BYTES)
C KSEC0( 3)-- BUFR EDITION NUMBER
C
C *KSEC1* - INTEGER ARRAY OF AT LEAST 40 WORDS
C CONTAINING BUFR SECTION 1 INFORMATION
C KSEC1( 1)-- LENGTH OF SECTION 1 (BYTES)
C KSEC1( 2)-- BUFR EDITION NUMBER
C KSEC1( 3)-- ORIGINATING CENTRE
C KSEC1( 4)-- UPDATE SEQUENCE NUMBER
C KSEC1( 5)-- FLAG (PRESENCE OF SECTION 2)
C KSEC1( 6)-- BUFR MESSAGE TYPE
C KSEC1( 7)-- BUFR MESSAGE SUBTYPE
C KSEC1( 8)-- VERSION NUMBER OF LOCAL TABLE USED
C KSEC1( 9)-- YEAR
C KSEC1(10)-- MONTH
C KSEC1(11)-- DAY
C KSEC1(12)-- HOUR
C KSEC1(13)-- MINUTE
C KSEC1(14)-- BUFR MASTER TABLE
C KSEC1(15)-- VERSION NUMBER OF MASTER TABLE USED
C KSEC1(16) - KSEC1(40) -- LOCAL ADP CENTRE
C INFORMATION(BYTE BY BYTE)
C
C
C FOR BUFR EDITION 3 ONWARD
C
C KSEC1(16)-- ORIGINATING SUB-CENTRE
C KSEC1(17)-- NOT USED
C KSEC1(18) TO KSEC1(JSEC1) - LOCAL ADP CENTRE
C INFORMATION(PACKED FORM)
C
C FOR BUFR EDITION 4 ONWARD
C
C KSEC1(16)-- ORIGINATING SUB-CENTRE
C KSEC1(17)-- INTERNATIONAL SUB-CATEGORY (SEE COMMON TABLE C-13
C KSEC1(18)-- SECOND
C KSEC1(19)-- YEAR
C KSEC1(20)-- MONTH
C KSEC1(21)-- DAY
C KSEC1(22)-- HOUR
C KSEC1(23)-- MINUTE
C KSEC1(24)-- SECOND
C KSEC1(25)-- YEAR
C KSEC1(26)-- MONTH
C KSEC1(27)-- DAY
C KSEC1(28)-- HOUR
C KSEC1(29)-- MINUTE
C KSEC1(30)-- SECOND
C KSEC1(31)-- MOST SOUTHERN LATITUDE (-90 to 90)
C KSEC1(32)-- MOST WESTERN LONGITUDE ( 0-360)
C KSEC1(33)-- MOST NORTHEN LATITUDE (-90 to 90)
C KSEC1(34)-- MOST EASTERN LONGITUDE ( 0-360)
C KSEC1(35) TO KSEC1(JSEC1) - LOCAL ADP CENTRE INFORMATION(PACKED FORM)
C
C *KSEC2* - INTEGER ARRAY OF AT LEAST 64 WORDS
C CONTAINING BUFR SECTION 2 INFORMATION
C KSEC2( 1)-- LENGTH OF SECTION 2 (BYTES)
C KSEC2( 2) TO KSEC2(47) RDB KEY
C
C *KSEC3* - INTEGER ARRAY OF 4 WORDS CONTAINING
C BUFR SECTION 3 INFORMATION
C KSEC3( 1)-- LENGTH OF SECTION 3 (BYTES)
C KSEC3( 2)-- RESERVED
C KSEC3( 3)-- NUMBER OF SUBSETS
C KSEC3( 4)-- FLAG (DATA TYPE,DATA COMPRESSION)
C
C *KSEC4* - INTEGER ARRAY OF 2 WORDS CONTAINING
C BUFR SECTION 4 INFORMATION
C KSEC4( 1)-- LENGTH OF SECTION 4 (BYTES)
C KSEC4( 2)-- RESERVED
C
C *CNAMES* - CHARACTER*64 ARRAY OF KELEM CONTAINING
C BUFR TABLE B ELEMENT NAMES
C *CUNITS* - CHARACTER*24 ARRAY OF KELEM CONTAINIG
C BUFR TABLE B UNITS
C *VALUES* - REAL ARRAY OF KVALS CONTAINING EXPANDED
C DATA VALUES
C *CVALS* - CHARACTER*80 ARRAY OF KVALS CONTAINING
C BUFR CODE TABLE OR CCITTIA5 BUFR ELEMENTS
C ENTRIES
C *KERR* - RETURNED ERROR CODE
C
C
C METHOD.
C -------
C
C BUFR MESSAGE PASSED AS ARGUMENT TO THIS ROUTINE IS DECODED
C SECTION BY SECTION. SUPLEMENTARY INFORMATION AND EXPANDED DATA
C ARE RETURNED AS WELL AS ERROR CODE. DURING BIT PATTERN UNPACKING
C GBYTE AND GBYTES ROUTINES (VMS VERSION) ARE USED.
C
C
C EXTERNALS.
C ----------
C
C BUEXS0 - EXPANDS SECTION 0 OF BUFR MESSAGE
C BUEXS1 - EXPANDS SECTION 1 OF BUFR MESSAGE
C BUEXS2 - EXPANDS SECTION 2 OF BUFR MESSAGE
C BUEXS3 - EXPANDS SECTION 3 OF BUFR MESSAGE
C BUGBTS - LOAD REQUIRED BUFR TABLES
C BUEXS4 - EXPANDS SECTION 4 OF BUFR MESSAGE
C BUEXS5 - EXPANDS SECTION 5 OF BUFR MESSAGE
C
C REFERENCE.
C ----------
C
C NONE.
C
C AUTHOR.
C -------
C
C M. DRAGOSAVAC *ECMWF* 15/01/91.
C
C
C MODIFICATIONS.
C --------------
C
C NONE.
C
C
IMPLICIT LOGICAL(L,O,G), CHARACTER*8(C,H,Y)
C
C
# include "parameter.F"
# include "bcomunit.F"
# include "bcomwork.F"
# include "bcomwt.F"
# include "bcomdefc.F"
# include "bcomreq.F"
# include "bcomoff.F"
C
DIMENSION KBUFF(KBUFL)
DIMENSION KSUP(JSUP),KSEC0(JSEC0),KSEC1(JSEC1)
DIMENSION KSEC2(JSEC2),KSEC3(JSEC3),KSEC4(JSEC4)
C
#ifndef R_4
REAL*8 VALUES(KVALS)
REAL*8 RVIND
REAL*8 EPS
REAL*8 RQVAL
REAL*8 VAL
#else
REAL VALUES(KVALS)
REAL RVIND
REAL EPS
REAL RQVAL
REAL VAL
#endif
C
CHARACTER*64 CNAMES(KELEM)
CHARACTER*24 CUNITS(KELEM)
CHARACTER*80 CVALS(KVALS)
CHARACTER*4 CECMWF,CUSER
C
SAVE NWPTB1,NBPTB1
C ------------------------------------------------------------------
C
C* 1. SET CONSTANTS.
C --------------
100 CONTINUE
C
KERR=0
C
M0=1
C
DO 101 I=1,JSEC0
KSEC0(I)=0
101 CONTINUE
C
DO 102 I=1,JSEC1
KSEC1(I)=0
102 CONTINUE
C
DO 103 I=1,JSEC3
KSEC3(I)=0
103 CONTINUE
C
DO 104 I=1,JSUP
KSUP(I)=0
104 CONTINUE
C
DO 105 I=1,JSEC4
KSEC4(I)=0
105 CONTINUE
C
DO 106 I=1,JSEC2
KSEC2(I)=0
106 CONTINUE
C
IF(CECMWF.NE.'ECMF') THEN
CALL BUEVAR(KERR)
CECMWF='ECMF'
END IF
C
IF(CUSER.NE.'USER') THEN
NREQ(1)=0
NREQ(2)=0
NRQL=0
END IF
C -----------------------------------------------------------------
C* 2. EXPAND SECTION 0.
C -----------------
200 CONTINUE
C
CALL BUEXS0( KBUFL,KBUFF,KSUP,KSEC0,KERR )
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C* 3. EXPAND SECTION 1.
C ------------------
300 CONTINUE
C
CALL BUEXS1( KBUFL,KBUFF,KSUP,KSEC0,KSEC1,KERR )
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C* 4. EXPAND SECTION 2.
C -----------------
400 CONTINUE
C
CALL BUEXS2( KBUFL,KBUFF,KSUP,KSEC1,KSEC2,KERR )
IF(KERR.GT.0) RETURN
C
CALL BUEXS33(KBUFL,KBUFF,KSEC3,KERR)
IF(KERR.GT.0) RETURN
NWPTB1=NWPTB
NBPTB1=NBPTB
C ------------------------------------------------------------------
C* 5. LOAD BUFR TABLES.
C -----------------
500 CONTINUE
C
CALL BUGBTS(KSEC1,KERR)
IF(KERR.GT.0) RETURN
C
OMULTI=.FALSE.
NSUBSET=1
IF(IAND(KSEC3(4),64).EQ.0.AND.KSEC3(3).GT.1) THEN
C
OMULTI=.TRUE.
DO I=1,KSEC3(3)
NWT=0
M=0
NWPTB=NWPTB1
NBPTB=NBPTB1
NSUBSET=I
CALL BUEXS3(KBUFL,KBUFF,KSUP,KSEC3,KELEM,CNAMES,CUNITS,
1 KERR)
IF(KERR.GT.0) RETURN
C
CALL BUEXS4(KBUFL ,KBUFF ,KSUP ,KSEC3,KSEC4,
1 KELEM ,CNAMES,CUNITS,KVALS,VALUES,CVALS,KERR)
IF(KERR.GT.0) RETURN
END DO
GO TO 800
END IF
C ------------------------------------------------------------------
C* 6. EXPAND SECTION 3.
C -----------------
600 CONTINUE
C
CALL BUEXS3(KBUFL,KBUFF,KSUP,KSEC3,KELEM,CNAMES,CUNITS,KERR)
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C* 7. EXPAND SECTION 4.
C -----------------
700 CONTINUE
C
CALL BUEXS4(KBUFL ,KBUFF ,KSUP ,KSEC3,KSEC4,
1 KELEM ,CNAMES,CUNITS,KVALS,VALUES,CVALS,KERR)
IF(KERR.GT.0) RETURN
C
C ------------------------------------------------------------------
C* 8. EXPAND SECTION 5.
C -----------------
800 CONTINUE
C
CALL BUEXS5(KBUFL,KBUFF,KERR)
IF(KERR.GT.0) RETURN
C
C -----------------------------------------------------------------
C* 9. SET TOTAL BUFR MESSAGE LENGTH.
C ------------------------------
900 CONTINUE
C
KSUP(8)=KSEC0(1)+KSEC1(1)+KSEC2(1)+KSEC3(1)+KSEC4(1)+4
C
C -----------------------------------------------------------------
RETURN
C
END
|
