1 /* ****************************************************************************
2 *
3 * Project: SDTS Translator
4 * Purpose: Example program dumping data in 8211 data to stdout.
5 * Author: Frank Warmerdam, warmerda@home.com
6 *
7 ******************************************************************************
8 * Copyright (c) 1999, Frank Warmerdam
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 ****************************************************************************/
28
29 #include <stdio.h>
30 #include "iso8211.h"
31
32 CPL_CVSID("$Id: timetest.cpp 7e07230bbff24eb333608de4dbd460b7312839d0 2017-12-11 19:08:47Z Even Rouault $")
33
34 static void ViewRecordField( DDFField * poField );
35 static int ViewSubfield( DDFSubfieldDefn *poSFDefn,
36 const char * pachFieldData,
37 int nBytesRemaining );
38
39 /* **********************************************************************/
40 /* main() */
41 /* **********************************************************************/
42
main(int nArgc,char ** papszArgv)43 int main( int nArgc, char ** papszArgv )
44
45 {
46 if( nArgc < 2 )
47 {
48 printf( "Usage: 8211view filename\n" );
49 exit( 1 );
50 }
51
52 const char *pszFilename = papszArgv[1];
53 DDFModule oModule;
54
55 for( int i = 0; i < 40; i++ )
56 {
57 /* -------------------------------------------------------------------- */
58 /* Open the file. Note that by default errors are reported to */
59 /* stderr, so we don't bother doing it ourselves. */
60 /* -------------------------------------------------------------------- */
61 if( !oModule.Open( pszFilename ) )
62 {
63 exit( 1 );
64 }
65
66 /* -------------------------------------------------------------------- */
67 /* Loop reading records till there are none left. */
68 /* -------------------------------------------------------------------- */
69 DDFRecord *poRecord = nullptr;
70 int nRecordCount = 0;
71 int nFieldCount = 0;
72
73 while( (poRecord = oModule.ReadRecord()) != nullptr )
74 {
75 /* ------------------------------------------------------------ */
76 /* Loop over each field in this particular record. */
77 /* ------------------------------------------------------------ */
78 for( int iField = 0; iField < poRecord->GetFieldCount(); iField++ )
79 {
80 DDFField *poField = poRecord->GetField( iField );
81
82 ViewRecordField( poField );
83
84 nFieldCount++;
85 }
86
87 nRecordCount++;
88 }
89
90 oModule.Close();
91
92 printf( "Read %d records, %d fields.\n", nRecordCount, nFieldCount );
93 }
94 }
95
96 /* **********************************************************************/
97 /* ViewRecordField() */
98 /* */
99 /* Dump the contents of a field instance in a record. */
100 /* **********************************************************************/
101
ViewRecordField(DDFField * poField)102 static void ViewRecordField( DDFField * poField )
103
104 {
105 DDFFieldDefn *poFieldDefn = poField->GetFieldDefn();
106
107 // Get pointer to this fields raw data. We will move through
108 // it consuming data as we report subfield values.
109
110 const char *pachFieldData = poField->GetData();
111 int nBytesRemaining = poField->GetDataSize();
112
113 /* -------------------------------------------------------- */
114 /* Loop over the repeat count for this fields */
115 /* subfields. The repeat count will almost */
116 /* always be one. */
117 /* -------------------------------------------------------- */
118
119 int nRepeatCount = poField->GetRepeatCount();
120
121 for( int iRepeat = 0; iRepeat < nRepeatCount; iRepeat++ )
122 {
123
124 /* -------------------------------------------------------- */
125 /* Loop over all the subfields of this field, advancing */
126 /* the data pointer as we consume data. */
127 /* -------------------------------------------------------- */
128 for( int iSF = 0; iSF < poFieldDefn->GetSubfieldCount(); iSF++ )
129 {
130 DDFSubfieldDefn *poSFDefn = poFieldDefn->GetSubfield( iSF );
131 int nBytesConsumed =
132 ViewSubfield( poSFDefn, pachFieldData, nBytesRemaining );
133
134 nBytesRemaining -= nBytesConsumed;
135 pachFieldData += nBytesConsumed;
136 }
137 }
138 }
139
140 /* **********************************************************************/
141 /* ViewSubfield() */
142 /* **********************************************************************/
143
ViewSubfield(DDFSubfieldDefn * poSFDefn,const char * pachFieldData,int nBytesRemaining)144 static int ViewSubfield( DDFSubfieldDefn *poSFDefn,
145 const char * pachFieldData,
146 int nBytesRemaining )
147
148 {
149 int nBytesConsumed = 0;
150
151 switch( poSFDefn->GetType() )
152 {
153 case DDFInt:
154 poSFDefn->ExtractIntData( pachFieldData, nBytesRemaining,
155 &nBytesConsumed );
156 break;
157
158 case DDFFloat:
159 poSFDefn->ExtractFloatData( pachFieldData, nBytesRemaining,
160 &nBytesConsumed );
161 break;
162
163 case DDFString:
164 poSFDefn->ExtractStringData( pachFieldData, nBytesRemaining,
165 &nBytesConsumed );
166 break;
167
168 default:
169 break;
170 }
171
172 return nBytesConsumed;
173 }
174