File: pgsql2shp-core.h

package info (click to toggle)
postgis 3.5.2%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 70,052 kB
  • sloc: ansic: 162,204; sql: 93,950; xml: 53,121; cpp: 12,646; perl: 5,658; sh: 5,369; makefile: 3,434; python: 1,205; yacc: 447; lex: 151; pascal: 58
file content (205 lines) | stat: -rw-r--r-- 4,700 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/**********************************************************************
 *
 * PostGIS - Spatial Types for PostgreSQL
 * http://postgis.net
 * Copyright 2001-2003 Refractions Research Inc.
 * Copyright 2009 Paul Ramsey <pramsey@cleverelephant.ca>
 * Copyright 2009 Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU General Public Licence. See the COPYING file.
 *
 **********************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <math.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <iconv.h>

#include "libpq-fe.h"

#include "shapefil.h"
#include "shpcommon.h"
#include "getopt.h"



#define P2S_RCSID "$Id$"

/*
 * Error message handling
 */

#define SHPDUMPERMSGLEN		1024

#define SHPDUMPEROK		-1
#define SHPDUMPERERR		0
#define SHPDUMPERWARN		1


/*
 * Structure to hold the dumper configuration options
 */

typedef struct shp_dumper_config
{
	/* Parameters used to connect to the database */
	SHPCONNECTIONCONFIG *conn;

	/* table to load into */
	char *table;

	/* schema to load into */
	char *schema;

	/* user-specified query, if supplied */
	char *usrquery;

	/* 0=use normal cursor, 1=use binary cursor */
	int binary;

	/* Name of the output shapefile */
	char *shp_file;

	/* TODO: rename? 0=switch not provided, 1=switch provided */
	int dswitchprovided;

	/* TODO: replace and combine with below 0=do not include gid column in shapefile, 1=include gid column in shapefile */
	int includegid;

	/* TODO: 0=escape column names, 1=do not escape column names */
	int unescapedattrs;

	/* Name of geometry/geography database column */
	char *geo_col_name;

	/* 0=do not keep fieldname case, 1=keep fieldname case */
	int keep_fieldname_case;

	/* Number of rows to fetch in a cursor batch */
	int fetchsize;

	/* Name of the column map file if specified */
	char *column_map_filename;

	/* 0=normal output to stdout, 1=no output to stdout */
	int quiet;

} SHPDUMPERCONFIG;


/*
 * Structure to holder the current dumper state
 */

typedef struct shp_dumper_state
{
	/* Configuration for this state */
	SHPDUMPERCONFIG *config;

	/* Database connection being used */
	PGconn *conn;

	/* Version of PostGIS being used */
	int pgis_major_version;

	/* OID for geometries */
	int geom_oid;

	/* OID for geographies */
	int geog_oid;

	/* Schema of current working table */
	char *schema;

	/* Name of current working table */
	char *table;

	/* Name of geography/geometry column in current working table */
	char *geo_col_name;

	/* DBF fieldnames for all non-spatial fields */
	char **dbffieldnames;

	/* DBF field types for all non-spatial fields */
	int *dbffieldtypes;

	/* PostgreSQL column names for all non-spatial fields */
	char **pgfieldnames;

	/* PostgreSQL column lengths for all non-spatial fields */
	int *pgfieldlens;

	/* PostgreSQL column typmods for all non-spatial fields */
	int *pgfieldtypmods;

	/* Number of non-spatial fields in DBF output file */
	int fieldcount;

	/* Number of rows in the database table */
	int num_records;

	/* Name of the current shapefile */
	char *shp_file;

	/* Handle of the current DBF file */
	DBFHandle dbf;

	/* Handle of the current SHP file */
	SHPHandle shp;

	/* Indicate output geometry type: s=2d, z=3dz or 4d, m=3dm */
	char outtype;

	/* Shapefile/DBF geometry type */
	int outshptype;

	/* Number of rows in source database table */
	int rowcount;

	/* The main query being used for the table scan */
	char *main_scan_query;

	/* The current row number */
	int currow;

	/* The result set for the current FETCH batch */
	PGresult *fetchres;

	/* The row number within the current FETCH batch */
	int curresrow;

	/* The number of rows within the current FETCH batch */
	int currescount;

	/* The query being used to fetch records from the table */
	char *fetch_query;

	/* Last (error) message */
	char message[SHPDUMPERMSGLEN];

	/* Column map */
	colmap column_map;

} SHPDUMPERSTATE;


/* Externally accessible functions */
void set_dumper_config_defaults(SHPDUMPERCONFIG *config);
char *shapetypename(int num);

SHPDUMPERSTATE *ShpDumperCreate(SHPDUMPERCONFIG *config);
char *ShpDumperGetConnectionStringFromConn(SHPCONNECTIONCONFIG *config);
int ShpDumperConnectDatabase(SHPDUMPERSTATE *state);
int ShpDumperOpenTable(SHPDUMPERSTATE *state);
int ShpDumperGetRecordCount(SHPDUMPERSTATE *state);
int ShpLoaderGenerateShapeRow(SHPDUMPERSTATE *state);
int ShpDumperCloseTable(SHPDUMPERSTATE *state);
void ShpDumperDestroy(SHPDUMPERSTATE *state);
char *quote_identifier(const char *s);