source: osm/applications/editors/josm/plugins/smed2/src/s57/S57dat.java@ 30215

Last change on this file since 30215 was 30215, checked in by malcolmh, 11 years ago

new model structure
File size: 17.6 KB
Line 
1package s57;
2
3import java.util.ArrayList;
4import java.util.Arrays;
5import java.util.EnumMap;
6
7public class S57dat {
8
9 public enum Dom { BT, GT, DG, DATE, INT, REAL, AN, HEX, CL }
10
11 public static class S57conv {
12 int asc; // 0=A(), 1+=A(n)
13 int bin; // 0=ASCII, +ve=b1n, -ve=b2n
14 Dom dom; // S57 data domain
15 S57conv(int a, int b, Dom d) {
16 asc = a; bin = b; dom = d;
17 }
18 }
19
20 public enum S57subf { I8RN, RCNM, RCID, EXPP, INTU, DSNM, EDTN, UPDN, UADT, ISDT, STED, PRSP, PSDN, PRED, PROF, AGEN, COMT, DSTR, AALL, NALL, NOMR, NOCR, NOGR, NOLR, NOIN, NOCN,
21 NOED, NOFA, HDAT, VDAT, SDAT, CSCL, DUNI, HUNI, PUNI, COUN, COMF, SOMF, PROJ, PRP1, PRP2, PRP3, PRP4, FEAS, FNOR, FPMF, RPID, RYCO, RXCO, CURP, RXVL, RYVL, PRCO, ESDT,
22 LSDT, DCRT, CODT, PACC, HACC, SACC, FILE, LFIL, VOLM, IMPL, SLAT, WLON, NLAT, ELON, CRCS, NAM1, NAM2, OORA, OAAC, OACO, OALL, OATY, DEFN, AUTH, RFTP, RFVL, ATLB, ATDO,
23 ADMU, ADFT, RAVA, DVAL, DVSD, OBLB, ASET, PRIM, GRUP, OBJL, RVER, RUIN, FIDN, FIDS, ATTL, ATVL, FFUI, FFIX, NFPT, LNAM, RIND, FSUI, FSIX, NSPT, NAME, ORNT, USAG, MASK,
24 VPUI, VPIX, NVPT, TOPI, CCUI, CCIX, CCNC, YCOO, XCOO, VE3D, ATYP, SURF, ORDR, RESO, STPT, CTPT, ENPT, CDPM, CDPR }
25
26 private static final EnumMap<S57subf, S57conv> convs = new EnumMap<S57subf, S57conv>(S57subf.class);
27 static {
28 convs.put(S57subf.I8RN, new S57conv(5,2,Dom.INT));
29 convs.put(S57subf.RCNM, new S57conv(2,1,Dom.AN)); convs.put(S57subf.RCID, new S57conv(10,32,Dom.INT)); convs.put(S57subf.EXPP, new S57conv(1,1,Dom.AN));
30 convs.put(S57subf.INTU, new S57conv(1,1,Dom.INT)); convs.put(S57subf.DSNM, new S57conv(0,0,Dom.BT)); convs.put(S57subf.EDTN, new S57conv(0,0,Dom.BT));
31 convs.put(S57subf.UPDN, new S57conv(0,0,Dom.BT)); convs.put(S57subf.UADT, new S57conv(8,0,Dom.DATE)); convs.put(S57subf.ISDT, new S57conv(8,0,Dom.DATE));
32 convs.put(S57subf.STED, new S57conv(4,0,Dom.REAL)); convs.put(S57subf.PRSP, new S57conv(3,1,Dom.AN)); convs.put(S57subf.PSDN, new S57conv(0,0,Dom.BT));
33 convs.put(S57subf.PRED, new S57conv(0,0,Dom.BT)); convs.put(S57subf.PROF, new S57conv(2,1,Dom.AN)); convs.put(S57subf.AGEN, new S57conv(2,2,Dom.AN));
34 convs.put(S57subf.COMT, new S57conv(0,0,Dom.BT)); convs.put(S57subf.DSTR, new S57conv(2,1,Dom.AN)); convs.put(S57subf.AALL, new S57conv(1,1,Dom.INT));
35 convs.put(S57subf.NALL, new S57conv(1,1,Dom.INT)); convs.put(S57subf.NOMR, new S57conv(0,4,Dom.INT)); convs.put(S57subf.NOCR, new S57conv(0,4,Dom.INT));
36 convs.put(S57subf.NOGR, new S57conv(0,4,Dom.INT)); convs.put(S57subf.NOLR, new S57conv(0,4,Dom.INT)); convs.put(S57subf.NOIN, new S57conv(0,4,Dom.INT));
37 convs.put(S57subf.NOCN, new S57conv(0,4,Dom.INT)); convs.put(S57subf.NOED, new S57conv(0,4,Dom.INT)); convs.put(S57subf.NOFA, new S57conv(0,4,Dom.INT));
38 convs.put(S57subf.HDAT, new S57conv(3,1,Dom.INT)); convs.put(S57subf.VDAT, new S57conv(2,1,Dom.INT)); convs.put(S57subf.SDAT, new S57conv(2,1,Dom.INT));
39 convs.put(S57subf.CSCL, new S57conv(0,4,Dom.INT)); convs.put(S57subf.DUNI, new S57conv(2,1,Dom.INT)); convs.put(S57subf.HUNI, new S57conv(2,1,Dom.INT));
40 convs.put(S57subf.PUNI, new S57conv(2,1,Dom.INT)); convs.put(S57subf.COUN, new S57conv(2,1,Dom.AN)); convs.put(S57subf.COMF, new S57conv(0,4,Dom.INT));
41 convs.put(S57subf.SOMF, new S57conv(0,4,Dom.INT)); convs.put(S57subf.PROJ, new S57conv(3,1,Dom.AN)); convs.put(S57subf.PRP1, new S57conv(0,-4,Dom.REAL));
42 convs.put(S57subf.PRP2, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.PRP3, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.PRP4, new S57conv(0,-4,Dom.REAL));
43 convs.put(S57subf.FEAS, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.FNOR, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.FPMF, new S57conv(0,4,Dom.INT));
44 convs.put(S57subf.RPID, new S57conv(1,1,Dom.DG)); convs.put(S57subf.RYCO, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.RXCO, new S57conv(0,-4,Dom.REAL));
45 convs.put(S57subf.CURP, new S57conv(2,1,Dom.AN)); convs.put(S57subf.RXVL, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.RYVL, new S57conv(0,-4,Dom.REAL));
46 convs.put(S57subf.PRCO, new S57conv(2,2,Dom.AN)); convs.put(S57subf.ESDT, new S57conv(8,0,Dom.DATE)); convs.put(S57subf.LSDT, new S57conv(8,0,Dom.DATE));
47 convs.put(S57subf.DCRT, new S57conv(0,0,Dom.BT)); convs.put(S57subf.CODT, new S57conv(8,0,Dom.DATE)); convs.put(S57subf.PACC, new S57conv(0,4,Dom.REAL));
48 convs.put(S57subf.HACC, new S57conv(0,4,Dom.REAL)); convs.put(S57subf.SACC, new S57conv(0,4,Dom.REAL)); convs.put(S57subf.FILE, new S57conv(0,0,Dom.BT));
49 convs.put(S57subf.LFIL, new S57conv(0,0,Dom.BT)); convs.put(S57subf.VOLM, new S57conv(0,0,Dom.BT)); convs.put(S57subf.IMPL, new S57conv(3,0,Dom.AN));
50 convs.put(S57subf.SLAT, new S57conv(0,0,Dom.REAL)); convs.put(S57subf.WLON, new S57conv(0,0,Dom.REAL)); convs.put(S57subf.NLAT, new S57conv(0,0,Dom.REAL));
51 convs.put(S57subf.ELON, new S57conv(0,0,Dom.REAL)); convs.put(S57subf.CRCS, new S57conv(0,0,Dom.HEX)); convs.put(S57subf.NAM1, new S57conv(12,40,Dom.AN));
52 convs.put(S57subf.NAM2, new S57conv(12,40,Dom.AN)); convs.put(S57subf.OORA, new S57conv(1,1,Dom.AN)); convs.put(S57subf.OAAC, new S57conv(6,0,Dom.BT));
53 convs.put(S57subf.OACO, new S57conv(5,2,Dom.INT)); convs.put(S57subf.OALL, new S57conv(0,0,Dom.BT)); convs.put(S57subf.OATY, new S57conv(1,1,Dom.AN));
54 convs.put(S57subf.DEFN, new S57conv(0,0,Dom.BT)); convs.put(S57subf.AUTH, new S57conv(2,2,Dom.AN)); convs.put(S57subf.RFTP, new S57conv(2,1,Dom.AN));
55 convs.put(S57subf.RFVL, new S57conv(0,0,Dom.BT)); convs.put(S57subf.ATLB, new S57conv(5,2,Dom.INT)); convs.put(S57subf.ATDO, new S57conv(1,1,Dom.AN));
56 convs.put(S57subf.ADMU, new S57conv(0,0,Dom.BT)); convs.put(S57subf.ADFT, new S57conv(0,0,Dom.BT)); convs.put(S57subf.RAVA, new S57conv(1,1,Dom.AN));
57 convs.put(S57subf.DVAL, new S57conv(0,0,Dom.BT)); convs.put(S57subf.DVSD, new S57conv(0,0,Dom.BT)); convs.put(S57subf.OBLB, new S57conv(5,2,Dom.INT));
58 convs.put(S57subf.ASET, new S57conv(1,1,Dom.AN)); convs.put(S57subf.PRIM, new S57conv(1,1,Dom.AN)); convs.put(S57subf.GRUP, new S57conv(3,1,Dom.INT));
59 convs.put(S57subf.OBJL, new S57conv(5,2,Dom.INT)); convs.put(S57subf.RVER, new S57conv(3,2,Dom.INT)); convs.put(S57subf.RUIN, new S57conv(1,1,Dom.AN));
60 convs.put(S57subf.FIDN, new S57conv(10,4,Dom.INT)); convs.put(S57subf.FIDS, new S57conv(5,2,Dom.INT)); convs.put(S57subf.ATTL, new S57conv(5,2,Dom.INT));
61 convs.put(S57subf.ATVL, new S57conv(0,0,Dom.GT)); convs.put(S57subf.FFUI, new S57conv(1,1,Dom.AN)); convs.put(S57subf.FFIX, new S57conv(0,2,Dom.INT));
62 convs.put(S57subf.NFPT, new S57conv(0,2,Dom.INT)); convs.put(S57subf.LNAM, new S57conv(17,64,Dom.AN)); convs.put(S57subf.RIND, new S57conv(0,1,Dom.AN));
63 convs.put(S57subf.FSUI, new S57conv(1,1,Dom.AN)); convs.put(S57subf.FSIX, new S57conv(0,2,Dom.INT)); convs.put(S57subf.NSPT, new S57conv(0,2,Dom.INT));
64 convs.put(S57subf.NAME, new S57conv(12,40,Dom.AN)); convs.put(S57subf.ORNT, new S57conv(1,1,Dom.AN)); convs.put(S57subf.USAG, new S57conv(1,1,Dom.AN));
65 convs.put(S57subf.MASK, new S57conv(1,1,Dom.AN)); convs.put(S57subf.VPUI, new S57conv(1,1,Dom.AN)); convs.put(S57subf.VPIX, new S57conv(0,2,Dom.INT));
66 convs.put(S57subf.NVPT, new S57conv(0,2,Dom.INT)); convs.put(S57subf.TOPI, new S57conv(1,1,Dom.AN)); convs.put(S57subf.CCUI, new S57conv(1,1,Dom.AN));
67 convs.put(S57subf.CCIX, new S57conv(0,2,Dom.INT)); convs.put(S57subf.CCNC, new S57conv(0,2,Dom.INT)); convs.put(S57subf.YCOO, new S57conv(0,-4,Dom.REAL));
68 convs.put(S57subf.XCOO, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.VE3D, new S57conv(0,-4,Dom.REAL)); convs.put(S57subf.ATYP, new S57conv(1,1,Dom.AN));
69 convs.put(S57subf.SURF, new S57conv(1,1,Dom.AN)); convs.put(S57subf.ORDR, new S57conv(1,1,Dom.INT)); convs.put(S57subf.RESO, new S57conv(0,4,Dom.REAL));
70 convs.put(S57subf.STPT, new S57conv(0,0,Dom.CL)); convs.put(S57subf.CTPT, new S57conv(0,0,Dom.CL)); convs.put(S57subf.ENPT, new S57conv(0,0,Dom.CL));
71 convs.put(S57subf.CDPM, new S57conv(0,0,Dom.CL)); convs.put(S57subf.CDPR, new S57conv(0,0,Dom.CL));
72 }
73
74 public enum S57field { I8RI, DSID, DSSI, DSPM, DSPR, DSRC, DSHT, DSAC, CATD, CATX, DDDF, DDDR, DDDI, DDOM, DDRF, DDSI, DDSC,
75 FRID, FOID, ATTF, NATF, FFPC, FFPT, FSPC, FSPT, VRID, ATTV, VRPC, VRPT, SGCC, SG2D, SG3D, ARCC, AR2D, EL2D, CT2D }
76
77 private static ArrayList<S57subf> S57i8ri = new ArrayList<S57subf>(Arrays.asList(S57subf.I8RN));
78 private static ArrayList<S57subf> S57dsid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.EXPP, S57subf.INTU, S57subf.DSNM, S57subf.EDTN, S57subf.UPDN,
79 S57subf.UADT, S57subf.ISDT, S57subf.STED, S57subf.PRSP, S57subf.PSDN, S57subf.PRED, S57subf.PROF, S57subf.AGEN, S57subf.COMT));
80 private static ArrayList<S57subf> S57dssi = new ArrayList<S57subf>(Arrays.asList(S57subf.DSTR, S57subf.AALL, S57subf.NALL, S57subf.NOMR, S57subf.NOCR, S57subf.NOGR, S57subf.NOLR,
81 S57subf.NOIN, S57subf.NOCN, S57subf.NOED, S57subf.NOFA ));
82 private static ArrayList<S57subf> S57dspm = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.HDAT, S57subf.VDAT, S57subf.SDAT, S57subf.CSCL, S57subf.DUNI,
83 S57subf.HUNI, S57subf.PUNI, S57subf.COUN, S57subf.COMF, S57subf.SOMF, S57subf.COMT ));
84 private static ArrayList<S57subf> S57dspr = new ArrayList<S57subf>(Arrays.asList(S57subf.PROJ, S57subf.PRP1, S57subf.PRP2, S57subf.PRP3, S57subf.PRP4, S57subf.FEAS, S57subf.FNOR,
85 S57subf.FPMF, S57subf.COMT ));
86 private static ArrayList<S57subf> S57dsrc = new ArrayList<S57subf>(Arrays.asList(S57subf.RPID, S57subf.RYCO, S57subf.RXCO, S57subf.CURP, S57subf.FPMF, S57subf.RXVL, S57subf.RYVL,
87 S57subf.COMT ));
88 private static ArrayList<S57subf> S57dsht = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.PRCO, S57subf.ESDT, S57subf.LSDT, S57subf.DCRT, S57subf.CODT, S57subf.COMT ));
89 private static ArrayList<S57subf> S57dsac = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.PACC, S57subf.HACC, S57subf.SACC, S57subf.FPMF, S57subf.COMT ));
90 private static ArrayList<S57subf> S57catd = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.FILE, S57subf.LFIL, S57subf.VOLM, S57subf.IMPL, S57subf.SLAT,
91 S57subf.WLON, S57subf.NLAT, S57subf.ELON, S57subf.CRCS, S57subf.COMT ));
92 private static ArrayList<S57subf> S57catx = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.NAM1, S57subf.NAM2, S57subf.COMT ));
93 private static ArrayList<S57subf> S57dddf = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.OORA, S57subf.OAAC, S57subf.OACO, S57subf.OALL, S57subf.OATY,
94 S57subf.DEFN, S57subf.AUTH, S57subf.COMT ));
95 private static ArrayList<S57subf> S57dddr = new ArrayList<S57subf>(Arrays.asList(S57subf.RFTP, S57subf.RFVL ));
96 private static ArrayList<S57subf> S57dddi = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.ATLB, S57subf.ATDO, S57subf.ADMU, S57subf.ADFT, S57subf.AUTH, S57subf.COMT ));
97 private static ArrayList<S57subf> S57ddom = new ArrayList<S57subf>(Arrays.asList(S57subf.RAVA, S57subf.DVAL, S57subf.DVSD, S57subf.DEFN, S57subf.AUTH ));
98 private static ArrayList<S57subf> S57ddrf = new ArrayList<S57subf>(Arrays.asList(S57subf.RFTP, S57subf.RFVL ));
99 private static ArrayList<S57subf> S57ddsi = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.OBLB ));
100 private static ArrayList<S57subf> S57ddsc = new ArrayList<S57subf>(Arrays.asList(S57subf.ATLB, S57subf.ASET, S57subf.AUTH ));
101 private static ArrayList<S57subf> S57frid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.PRIM, S57subf.GRUP, S57subf.OBJL, S57subf.RVER, S57subf.RUIN ));
102// private static ArrayList<S57subf> S57foid = new ArrayList<S57subf>(Arrays.asList(S57subf.AGEN, S57subf.FIDN, S57subf.FIDS ));
103 private static ArrayList<S57subf> S57foid = new ArrayList<S57subf>(Arrays.asList(S57subf.LNAM));
104 private static ArrayList<S57subf> S57attf = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
105 private static ArrayList<S57subf> S57natf = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
106 private static ArrayList<S57subf> S57ffpc = new ArrayList<S57subf>(Arrays.asList(S57subf.FFUI, S57subf.FFIX, S57subf.NFPT ));
107 private static ArrayList<S57subf> S57ffpt = new ArrayList<S57subf>(Arrays.asList(S57subf.LNAM, S57subf.RIND, S57subf.COMT ));
108 private static ArrayList<S57subf> S57fspc = new ArrayList<S57subf>(Arrays.asList(S57subf.FSUI, S57subf.FSIX, S57subf.NSPT ));
109 private static ArrayList<S57subf> S57fspt = new ArrayList<S57subf>(Arrays.asList(S57subf.NAME, S57subf.ORNT, S57subf.USAG, S57subf.MASK ));
110 private static ArrayList<S57subf> S57vrid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.RVER, S57subf.RUIN ));
111 private static ArrayList<S57subf> S57attv = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
112 private static ArrayList<S57subf> S57vrpc = new ArrayList<S57subf>(Arrays.asList(S57subf.VPUI, S57subf.VPIX, S57subf.NVPT ));
113 private static ArrayList<S57subf> S57vrpt = new ArrayList<S57subf>(Arrays.asList(S57subf.NAME, S57subf.ORNT, S57subf.USAG, S57subf.TOPI, S57subf.MASK ));
114 private static ArrayList<S57subf> S57sgcc = new ArrayList<S57subf>(Arrays.asList(S57subf.CCUI, S57subf.CCIX, S57subf.CCNC ));
115 private static ArrayList<S57subf> S57sg2d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO ));
116 private static ArrayList<S57subf> S57sg3d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO, S57subf.VE3D ));
117 private static ArrayList<S57subf> S57arcc = new ArrayList<S57subf>(Arrays.asList(S57subf.ATYP, S57subf.SURF, S57subf.ORDR, S57subf.RESO, S57subf.FPMF ));
118 private static ArrayList<S57subf> S57ar2d = new ArrayList<S57subf>(Arrays.asList(S57subf.STPT, S57subf.CTPT, S57subf.ENPT, S57subf.YCOO, S57subf.XCOO ));
119 private static ArrayList<S57subf> S57el2d = new ArrayList<S57subf>(Arrays.asList(S57subf.STPT, S57subf.CTPT, S57subf.ENPT, S57subf.CDPM, S57subf.CDPR, S57subf.YCOO, S57subf.XCOO ));
120 private static ArrayList<S57subf> S57ct2d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO ));
121
122 private static final EnumMap<S57field, ArrayList<S57subf>> fields = new EnumMap<S57field, ArrayList<S57subf>>(S57field.class);
123 static {
124 fields.put(S57field.I8RI, S57i8ri);
125 fields.put(S57field.DSID, S57dsid); fields.put(S57field.DSSI, S57dssi); fields.put(S57field.DSPM, S57dspm); fields.put(S57field.DSPR, S57dspr);
126 fields.put(S57field.DSRC, S57dsrc); fields.put(S57field.DSHT, S57dsht); fields.put(S57field.DSAC, S57dsac); fields.put(S57field.CATD, S57catd);
127 fields.put(S57field.CATX, S57catx); fields.put(S57field.DDDF, S57dddf); fields.put(S57field.DDDR, S57dddr); fields.put(S57field.DDDI, S57dddi);
128 fields.put(S57field.DDOM, S57ddom); fields.put(S57field.DDRF, S57ddrf); fields.put(S57field.DDSI, S57ddsi); fields.put(S57field.DDSC, S57ddsc);
129 fields.put(S57field.FRID, S57frid); fields.put(S57field.FOID, S57foid); fields.put(S57field.ATTF, S57attf); fields.put(S57field.NATF, S57natf);
130 fields.put(S57field.FFPC, S57ffpc); fields.put(S57field.FFPT, S57ffpt); fields.put(S57field.FFPC, S57fspc); fields.put(S57field.FSPT, S57fspt);
131 fields.put(S57field.VRID, S57vrid); fields.put(S57field.ATTV, S57attv); fields.put(S57field.VRPC, S57vrpc); fields.put(S57field.VRPT, S57vrpt);
132 fields.put(S57field.SGCC, S57sgcc); fields.put(S57field.SG2D, S57sg2d); fields.put(S57field.SG3D, S57sg3d); fields.put(S57field.ARCC, S57arcc);
133 fields.put(S57field.AR2D, S57ar2d); fields.put(S57field.EL2D, S57el2d); fields.put(S57field.CT2D, S57ct2d);
134 }
135
136 private static byte[] buffer;
137 private static int offset;
138 private static int maxoff;
139 private static int index;
140 private static S57field field;
141 public static int rnum;
142
143 private static S57conv findSubf(S57subf subf) {
144 ArrayList<S57subf> subs = fields.get(field);
145 boolean wrap = false;
146 while (true) {
147 if (index == subs.size()) {
148 if (!wrap) {
149 index = 0;
150 wrap = true;
151 } else {
152 System.out.println("ERROR: Subfield not found " + subf.name() + " in " + field.name() + " in record " + rnum);
153 System.exit(-1);
154 }
155 }
156 S57subf sub = subs.get(index++);
157 S57conv conv = convs.get(sub);
158 if (sub == subf) {
159 return conv;
160 } else {
161 offset += (conv.bin != 0) ? ((conv.bin < 8) ? Math.abs(conv.bin) : conv.bin / 8) : conv.asc;
162 }
163 }
164 }
165
166 public static void setField(byte[] buf, int off, S57field fld, int len) {
167 buffer = buf;
168 offset = off;
169 maxoff = off + len - 1;
170 field = fld;
171 index = 0;
172 }
173
174 public static boolean more() {
175 return ((offset < maxoff) && (buffer[offset+1] != 0x1e));
176 }
177
178 public static Object getSubf(byte[] buf, int off, S57field fld, S57subf subf) {
179 buffer = buf;
180 offset = off;
181 index = 0;
182 return getSubf(fld, subf);
183 }
184
185 public static Object getSubf(S57field fld, S57subf subf) {
186 field = fld;
187 index = 0;
188 return getSubf(subf);
189 }
190
191 public static Object getSubf(S57subf subf) {
192 S57conv conv = findSubf(subf);
193 if (conv.bin == 0) {
194 String str = "";
195 if (conv.asc == 0) {
196 while (buffer[offset] != 0x1f) {
197 str += (char)(buffer[offset++]);
198 }
199 offset++;
200 } else {
201 str = new String(buffer, offset, conv.asc);
202 offset += conv.asc;
203 }
204 return str;
205 } else {
206 int f = Math.abs(conv.bin);
207 if (f < 8) {
208 long val = buffer[offset + --f];
209 if (conv.bin > 0)
210 val &= 0xff;
211 while (f > 0) {
212 val = (val << 8) + (buffer[offset + --f] & 0xff);
213 }
214 offset += Math.abs(conv.bin);
215 return val;
216 } else {
217 f /= 8;
218 long val = 0;
219 for (int i = 0; i < f; i++) {
220 val = (val << 8) + (buffer[offset++] & 0xff);
221 }
222 return val;
223 }
224 }
225 }
226
227 public static void putSubf(byte[] buf, int off, S57field fld, S57subf subf, Object val) {
228 buffer = buf;
229 offset = off;
230 index = 0;
231 putSubf(fld, subf, val);
232 }
233
234 public static void putSubf(S57field fld, S57subf subf, Object val) {
235 field = fld;
236 index = 0;
237 putSubf(subf, val);
238 }
239
240 public static void putSubf(S57subf subf, Object val) {
241 S57conv conv = findSubf(subf);
242 if (conv.bin == 0) {
243 } else {
244 }
245 }
246}
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