source: osm/applications/editors/josm/plugins/seachart/src/s57/S57dat.java@ 30992

Last change on this file since 30992 was 30894, checked in by malcolmh, 10 years ago

Add SeaChart plugin
File size: 20.3 KB
Line 
1/* Copyright 2014 Malcolm Herring
2 *
3 * This is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, version 3 of the License.
6 *
7 * For a copy of the GNU General Public License, see <http://www.gnu.org/licenses/>.
8 */
9
10package s57;
11
12import java.io.UnsupportedEncodingException;
13import java.util.ArrayList;
14import java.util.Arrays;
15import java.util.EnumMap;
16
17public class S57dat {
18
19 public enum Dom { BT, GT, DG, DATE, INT, REAL, AN, HEX, CL }
20
21 public static class S57conv {
22 int asc; // 0=A(), 1+=A(n)
23 int bin; // 0=ASCII, +ve=b1n, -ve=b2n
24 Dom dom; // S57 data domain
25 S57conv(int a, int b, Dom d) {
26 asc = a; bin = b; dom = d;
27 }
28 }
29
30 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,
31 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,
32 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,
33 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,
34 VPUI, VPIX, NVPT, TOPI, CCUI, CCIX, CCNC, YCOO, XCOO, VE3D, ATYP, SURF, ORDR, RESO, STPT, CTPT, ENPT, CDPM, CDPR }
35
36 private static final EnumMap<S57subf, S57conv> convs = new EnumMap<S57subf, S57conv>(S57subf.class);
37 static {
38 convs.put(S57subf.I8RN, new S57conv(5,2,Dom.INT));
39 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));
40 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));
41 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));
42 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));
43 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));
44 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));
45 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));
46 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));
47 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));
48 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));
49 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));
50 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));
51 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));
52 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));
53 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));
54 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));
55 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));
56 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));
57 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));
58 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));
59 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));
60 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));
61 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));
62 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));
63 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));
64 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));
65 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));
66 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));
67 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));
68 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));
69 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));
70 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));
71 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));
72 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));
73 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));
74 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));
75 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));
76 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));
77 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));
78 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));
79 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));
80 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));
81 convs.put(S57subf.CDPM, new S57conv(0,0,Dom.CL)); convs.put(S57subf.CDPR, new S57conv(0,0,Dom.CL));
82 }
83
84 public enum S57field { I8RI, DSID, DSSI, DSPM, DSPR, DSRC, DSHT, DSAC, CATD, CATX, DDDF, DDDR, DDDI, DDOM, DDRF, DDSI, DDSC,
85 FRID, FOID, ATTF, NATF, FFPC, FFPT, FSPC, FSPT, VRID, ATTV, VRPC, VRPT, SGCC, SG2D, SG3D, ARCC, AR2D, EL2D, CT2D }
86
87 private static ArrayList<S57subf> S57i8ri = new ArrayList<S57subf>(Arrays.asList(S57subf.I8RN));
88 private static ArrayList<S57subf> S57dsid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.EXPP, S57subf.INTU, S57subf.DSNM, S57subf.EDTN, S57subf.UPDN,
89 S57subf.UADT, S57subf.ISDT, S57subf.STED, S57subf.PRSP, S57subf.PSDN, S57subf.PRED, S57subf.PROF, S57subf.AGEN, S57subf.COMT));
90 private static ArrayList<S57subf> S57dssi = new ArrayList<S57subf>(Arrays.asList(S57subf.DSTR, S57subf.AALL, S57subf.NALL, S57subf.NOMR, S57subf.NOCR, S57subf.NOGR, S57subf.NOLR,
91 S57subf.NOIN, S57subf.NOCN, S57subf.NOED, S57subf.NOFA ));
92 private static ArrayList<S57subf> S57dspm = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.HDAT, S57subf.VDAT, S57subf.SDAT, S57subf.CSCL, S57subf.DUNI,
93 S57subf.HUNI, S57subf.PUNI, S57subf.COUN, S57subf.COMF, S57subf.SOMF, S57subf.COMT ));
94 private static ArrayList<S57subf> S57dspr = new ArrayList<S57subf>(Arrays.asList(S57subf.PROJ, S57subf.PRP1, S57subf.PRP2, S57subf.PRP3, S57subf.PRP4, S57subf.FEAS, S57subf.FNOR,
95 S57subf.FPMF, S57subf.COMT ));
96 private static ArrayList<S57subf> S57dsrc = new ArrayList<S57subf>(Arrays.asList(S57subf.RPID, S57subf.RYCO, S57subf.RXCO, S57subf.CURP, S57subf.FPMF, S57subf.RXVL, S57subf.RYVL,
97 S57subf.COMT ));
98 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 ));
99 private static ArrayList<S57subf> S57dsac = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.PACC, S57subf.HACC, S57subf.SACC, S57subf.FPMF, S57subf.COMT ));
100 private static ArrayList<S57subf> S57catd = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.FILE, S57subf.LFIL, S57subf.VOLM, S57subf.IMPL, S57subf.SLAT,
101 S57subf.WLON, S57subf.NLAT, S57subf.ELON, S57subf.CRCS, S57subf.COMT ));
102 private static ArrayList<S57subf> S57catx = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.NAM1, S57subf.NAM2, S57subf.COMT ));
103 private static ArrayList<S57subf> S57dddf = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.OORA, S57subf.OAAC, S57subf.OACO, S57subf.OALL, S57subf.OATY,
104 S57subf.DEFN, S57subf.AUTH, S57subf.COMT ));
105 private static ArrayList<S57subf> S57dddr = new ArrayList<S57subf>(Arrays.asList(S57subf.RFTP, S57subf.RFVL ));
106 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 ));
107 private static ArrayList<S57subf> S57ddom = new ArrayList<S57subf>(Arrays.asList(S57subf.RAVA, S57subf.DVAL, S57subf.DVSD, S57subf.DEFN, S57subf.AUTH ));
108 private static ArrayList<S57subf> S57ddrf = new ArrayList<S57subf>(Arrays.asList(S57subf.RFTP, S57subf.RFVL ));
109 private static ArrayList<S57subf> S57ddsi = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.OBLB ));
110 private static ArrayList<S57subf> S57ddsc = new ArrayList<S57subf>(Arrays.asList(S57subf.ATLB, S57subf.ASET, S57subf.AUTH ));
111 private static ArrayList<S57subf> S57frid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.PRIM, S57subf.GRUP, S57subf.OBJL, S57subf.RVER, S57subf.RUIN ));
112// private static ArrayList<S57subf> S57foid = new ArrayList<S57subf>(Arrays.asList(S57subf.AGEN, S57subf.FIDN, S57subf.FIDS ));
113 private static ArrayList<S57subf> S57foid = new ArrayList<S57subf>(Arrays.asList(S57subf.LNAM));
114 private static ArrayList<S57subf> S57attf = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
115 private static ArrayList<S57subf> S57natf = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
116 private static ArrayList<S57subf> S57ffpc = new ArrayList<S57subf>(Arrays.asList(S57subf.FFUI, S57subf.FFIX, S57subf.NFPT ));
117 private static ArrayList<S57subf> S57ffpt = new ArrayList<S57subf>(Arrays.asList(S57subf.LNAM, S57subf.RIND, S57subf.COMT ));
118 private static ArrayList<S57subf> S57fspc = new ArrayList<S57subf>(Arrays.asList(S57subf.FSUI, S57subf.FSIX, S57subf.NSPT ));
119 private static ArrayList<S57subf> S57fspt = new ArrayList<S57subf>(Arrays.asList(S57subf.NAME, S57subf.ORNT, S57subf.USAG, S57subf.MASK ));
120 private static ArrayList<S57subf> S57vrid = new ArrayList<S57subf>(Arrays.asList(S57subf.RCNM, S57subf.RCID, S57subf.RVER, S57subf.RUIN ));
121 private static ArrayList<S57subf> S57attv = new ArrayList<S57subf>(Arrays.asList(S57subf.ATTL, S57subf.ATVL ));
122 private static ArrayList<S57subf> S57vrpc = new ArrayList<S57subf>(Arrays.asList(S57subf.VPUI, S57subf.VPIX, S57subf.NVPT ));
123 private static ArrayList<S57subf> S57vrpt = new ArrayList<S57subf>(Arrays.asList(S57subf.NAME, S57subf.ORNT, S57subf.USAG, S57subf.TOPI, S57subf.MASK ));
124 private static ArrayList<S57subf> S57sgcc = new ArrayList<S57subf>(Arrays.asList(S57subf.CCUI, S57subf.CCIX, S57subf.CCNC ));
125 private static ArrayList<S57subf> S57sg2d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO ));
126 private static ArrayList<S57subf> S57sg3d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO, S57subf.VE3D ));
127 private static ArrayList<S57subf> S57arcc = new ArrayList<S57subf>(Arrays.asList(S57subf.ATYP, S57subf.SURF, S57subf.ORDR, S57subf.RESO, S57subf.FPMF ));
128 private static ArrayList<S57subf> S57ar2d = new ArrayList<S57subf>(Arrays.asList(S57subf.STPT, S57subf.CTPT, S57subf.ENPT, S57subf.YCOO, S57subf.XCOO ));
129 private static ArrayList<S57subf> S57el2d = new ArrayList<S57subf>(Arrays.asList(S57subf.STPT, S57subf.CTPT, S57subf.ENPT, S57subf.CDPM, S57subf.CDPR, S57subf.YCOO, S57subf.XCOO ));
130 private static ArrayList<S57subf> S57ct2d = new ArrayList<S57subf>(Arrays.asList(S57subf.YCOO, S57subf.XCOO ));
131
132 private static final EnumMap<S57field, ArrayList<S57subf>> fields = new EnumMap<S57field, ArrayList<S57subf>>(S57field.class);
133 static {
134 fields.put(S57field.I8RI, S57i8ri);
135 fields.put(S57field.DSID, S57dsid); fields.put(S57field.DSSI, S57dssi); fields.put(S57field.DSPM, S57dspm); fields.put(S57field.DSPR, S57dspr);
136 fields.put(S57field.DSRC, S57dsrc); fields.put(S57field.DSHT, S57dsht); fields.put(S57field.DSAC, S57dsac); fields.put(S57field.CATD, S57catd);
137 fields.put(S57field.CATX, S57catx); fields.put(S57field.DDDF, S57dddf); fields.put(S57field.DDDR, S57dddr); fields.put(S57field.DDDI, S57dddi);
138 fields.put(S57field.DDOM, S57ddom); fields.put(S57field.DDRF, S57ddrf); fields.put(S57field.DDSI, S57ddsi); fields.put(S57field.DDSC, S57ddsc);
139 fields.put(S57field.FRID, S57frid); fields.put(S57field.FOID, S57foid); fields.put(S57field.ATTF, S57attf); fields.put(S57field.NATF, S57natf);
140 fields.put(S57field.FFPC, S57ffpc); fields.put(S57field.FFPT, S57ffpt); fields.put(S57field.FFPC, S57fspc); fields.put(S57field.FSPT, S57fspt);
141 fields.put(S57field.VRID, S57vrid); fields.put(S57field.ATTV, S57attv); fields.put(S57field.VRPC, S57vrpc); fields.put(S57field.VRPT, S57vrpt);
142 fields.put(S57field.SGCC, S57sgcc); fields.put(S57field.SG2D, S57sg2d); fields.put(S57field.SG3D, S57sg3d); fields.put(S57field.ARCC, S57arcc);
143 fields.put(S57field.AR2D, S57ar2d); fields.put(S57field.EL2D, S57el2d); fields.put(S57field.CT2D, S57ct2d);
144 }
145
146 private static final EnumMap<S57field, String> FldStr = new EnumMap<S57field, String>(S57field.class);
147 static {
148 FldStr.put(S57field.I8RI, "0001");
149 FldStr.put(S57field.DSID, "DSID"); FldStr.put(S57field.DSSI, "DSSI"); FldStr.put(S57field.DSPM, "DSPM"); FldStr.put(S57field.DSPR, "DSPR");
150 FldStr.put(S57field.DSRC, "DSRC"); FldStr.put(S57field.DSHT, "DSHT"); FldStr.put(S57field.DSAC, "DSAC"); FldStr.put(S57field.CATD, "CATD");
151 FldStr.put(S57field.CATX, "CATX"); FldStr.put(S57field.DDDF, "DDDF"); FldStr.put(S57field.DDDR, "DDDR"); FldStr.put(S57field.DDDI, "DDDI");
152 FldStr.put(S57field.DDOM, "DDOM"); FldStr.put(S57field.DDRF, "DDRF"); FldStr.put(S57field.DDSI, "DDSI"); FldStr.put(S57field.DDSC, "DDSC");
153 FldStr.put(S57field.FRID, "FRID"); FldStr.put(S57field.FOID, "FOID"); FldStr.put(S57field.ATTF, "ATTF"); FldStr.put(S57field.NATF, "NATF");
154 FldStr.put(S57field.FFPC, "FFPC"); FldStr.put(S57field.FFPT, "FFPT"); FldStr.put(S57field.FFPC, "FFPC"); FldStr.put(S57field.FSPT, "FSPT");
155 FldStr.put(S57field.VRID, "VRID"); FldStr.put(S57field.ATTV, "ATTV"); FldStr.put(S57field.VRPC, "VRPC"); FldStr.put(S57field.VRPT, "VRPT");
156 FldStr.put(S57field.SGCC, "SGCC"); FldStr.put(S57field.SG2D, "SG2D"); FldStr.put(S57field.SG3D, "SG3D"); FldStr.put(S57field.ARCC, "ARCC");
157 FldStr.put(S57field.AR2D, "AR2D"); FldStr.put(S57field.EL2D, "EL2D"); FldStr.put(S57field.CT2D, "CT2D");
158 }
159
160 public static String stringField (S57field field) {
161 return FldStr.get(field);
162 }
163
164 public static S57field enumField (String field) {
165 for (S57field fld : FldStr.keySet()) {
166 if (FldStr.get(fld).equals(field))
167 return fld;
168 }
169 return null;
170 }
171
172 private static byte[] buffer;
173 private static int offset;
174 private static int maxoff;
175 private static int index;
176 private static S57field field;
177 private static String aall = "US-ASCII";
178 private static String nall = "US-ASCII";
179 public static int rnum;
180
181 private static S57conv findSubf(S57subf subf) {
182 ArrayList<S57subf> subs = fields.get(field);
183 boolean wrap = false;
184 while (true) {
185 if (index == subs.size()) {
186 if (!wrap) {
187 index = 0;
188 wrap = true;
189 } else {
190 System.out.println("ERROR: Subfield not found " + subf.name() + " in " + field.name() + " in record " + rnum);
191 System.exit(-1);
192 }
193 }
194 S57subf sub = subs.get(index++);
195 S57conv conv = convs.get(sub);
196 if (sub == subf) {
197 return conv;
198 } else {
199 offset += (conv.bin != 0) ? ((conv.bin < 8) ? Math.abs(conv.bin) : conv.bin / 8) : conv.asc;
200 }
201 }
202 }
203
204 public static void setField(byte[] buf, int off, S57field fld, int len) {
205 buffer = buf;
206 offset = off;
207 maxoff = off + len - 1;
208 field = fld;
209 index = 0;
210 }
211
212 public static boolean more() {
213 return (offset < maxoff);
214 }
215
216 public static Object getSubf(byte[] buf, int off, S57field fld, S57subf subf) {
217 buffer = buf;
218 offset = off;
219 index = 0;
220 return getSubf(fld, subf);
221 }
222
223 public static Object getSubf(S57field fld, S57subf subf) {
224 field = fld;
225 index = 0;
226 return getSubf(subf);
227 }
228
229 public static Object getSubf(S57subf subf) {
230 S57conv conv = findSubf(subf);
231 if (conv.bin == 0) {
232 String str = "";
233 int i = 0;
234 if (conv.asc == 0) {
235 for (i=0; buffer[offset+i] != 0x1f; i++) {}
236 try {
237 String charset = "";
238 if (field == S57field.ATTF) charset = aall;
239 else if (field == S57field.NATF) charset = nall;
240 else charset = "US-ASCII";
241 str = new String(buffer, offset, i, charset);
242 } catch (UnsupportedEncodingException e) {
243 e.printStackTrace();
244 }
245 offset += i + 1;
246 } else {
247 str = new String(buffer, offset, conv.asc);
248 offset += conv.asc;
249 }
250 return str;
251 } else {
252 int f = Math.abs(conv.bin);
253 if (f < 8) {
254 long val = buffer[offset + --f];
255 if (conv.bin > 0)
256 val &= 0xff;
257 while (f > 0) {
258 val = (val << 8) + (buffer[offset + --f] & 0xff);
259 }
260 offset += Math.abs(conv.bin);
261 if ((subf == S57subf.AALL) || (subf == S57subf.NALL)) {
262 String charset = "";
263 switch ((int)val) {
264 case 0:
265 charset = "US-ASCII";
266 break;
267 case 1:
268 charset = "ISO-8859-1";
269 break;
270 case 2:
271 charset = "UTF-16LE";
272 break;
273 }
274 if (subf == S57subf.NALL) {
275 nall = charset;
276 } else {
277 aall = charset;
278 }
279 }
280 return val;
281 } else {
282 f /= 8;
283 long val = 0;
284 for (int i = 0; i < f; i++) {
285 val = (val << 8) + (buffer[offset++] & 0xff);
286 }
287 return val;
288 }
289 }
290 }
291
292 public static void putSubf(byte[] buf, int off, S57field fld, S57subf subf, Object val) {
293 buffer = buf;
294 offset = off;
295 index = 0;
296 putSubf(fld, subf, val);
297 }
298
299 public static void putSubf(S57field fld, S57subf subf, Object val) {
300 field = fld;
301 index = 0;
302 putSubf(subf, val);
303 }
304
305 public static void putSubf(S57subf subf, Object val) {
306 S57conv conv = findSubf(subf);
307 if (conv.bin == 0) {
308 } else {
309 }
310 }
311}
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