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#include "global.h"
#include "Vect.h"
#include <string.h>
int parse_units();
int parse_option();
int match();
int
parse_command_line (int argc, char *argv[])
{
int ncols;
struct {
struct Option *vect;
struct Option *option;
struct Option *type;
struct Option *field;
struct Option *qfield;
struct Option *col;
struct Option *units;
struct Option *qcol;
} parms;
struct {
struct Flag *p, *s;
} flags;
parms.vect = G_define_standard_option(G_OPT_V_INPUT);
parms.vect->key = "map";
parms.type = G_define_standard_option(G_OPT_V_TYPE) ;
parms.type->options = "point,line,boundary,centroid";
parms.type->answer = "point,line,boundary,centroid";
parms.type->description = "Type of elements (for coor valid point/centroid, "
"for length valid line/boundary)";
parms.field = G_define_standard_option(G_OPT_V_FIELD);
parms.qfield = G_define_standard_option(G_OPT_V_FIELD);
parms.qfield->key = "qlayer";
parms.qfield->description = "Query layer. Used by 'query' option.";
parms.option = G_define_option();
parms.option->key = "option";
parms.option->type = TYPE_STRING;
parms.option->required = YES;
parms.option->multiple = NO;
parms.option->options = "cat,area,length,count,coor,sides,query";
parms.option->description = "Value to upload";
parms.option->descriptions =
"cat;insert new row for each category if doesn't exist yet;"
"area;area size;"
"length;line length;"
"count;number of features for each category;"
"coor;point coordinates, X,Y or X,Y,Z;"
"sides;categories of areas on the left and right side of the boundary, "
"'qlayer' is used for area category;"
"query;result of a database query for all records of the geometry"
"(or geometries) from table specified by 'qlayer' option";
parms.units = G_define_option();
parms.units->key = "units";
parms.units->type = TYPE_STRING ;
parms.units->required = NO ;
parms.units->multiple = NO ;
parms.units->options = "mi,miles,f,feet,me,meters,k,kilometers,a,acres,h,hectares";
parms.units->description = "mi(les),f(eet),me(ters),k(ilometers),a(cres),h(ectares)";
parms.col = G_define_option();
parms.col->key = "column";
parms.col->type = TYPE_STRING ;
parms.col->required = NO ;
parms.col->multiple = YES ;
parms.col->gisprompt = "column(s)" ;
parms.col->description = "column(s)";
parms.qcol = G_define_option();
parms.qcol->key = "qcolumn";
parms.qcol->type = TYPE_STRING ;
parms.qcol->required = NO ;
parms.qcol->multiple = NO ;
parms.qcol->gisprompt = "query column";
parms.qcol->description = "Query column used for 'query' option. E.g. 'cat', 'count(*)', 'sum(val)'";
flags.p = G_define_flag();
flags.p->key = 'p';
flags.p->description = "print only";
flags.s = G_define_flag();
flags.s->key = 's';
flags.s->description = "only print sql statements";
if (G_parser(argc,argv)) exit(-1);
options.print = flags.p->answer;
options.sql = flags.s->answer;
options.name = parms.vect->answer;
options.mapset = G_find_vector2 (options.name, NULL);
if (options.mapset == NULL)
G_fatal_error ( "%s: <%s> vector map not found\n", G_program_name(), options.name);
options.type = Vect_option_to_types ( parms.type );
options.field = atoi( parms.field->answer );
options.qfield = atoi( parms.qfield->answer );
options.option = parse_option (parms.option->answer);
options.units = parse_units (parms.units->answer);
/* Check number of columns */
ncols = 0;
options.col[0] = NULL;
options.col[1] = NULL;
options.col[2] = NULL;
while ( parms.col->answers && parms.col->answers[ncols] ) {
options.col[ncols] = G_store ( parms.col->answers[ncols] );
ncols++;
}
if ( options.option == O_AREA || options.option == O_LENGTH || options.option == O_COUNT
|| options.option == O_QUERY ) /* one column required */
{
if ( ncols != 1 ) {
G_fatal_error ( "This option requires one column" );
}
} else if ( options.option == O_SIDES ) {
if ( ncols != 2 ) {
G_fatal_error ( "This option requires 2 columns" );
}
} else if ( options.option == O_COOR ) {
if ( ncols < 2 ) {
G_fatal_error ( "This option requires at least 2 columns" );
}
}
options.qcol = parms.qcol->answer;
if ( options.option == O_SIDES && !(options.type | GV_BOUNDARY) )
G_fatal_error ( "The 'sides' option makes sense only for boundaries.");
return 0;
}
int parse_units (char *s)
{
int x=0;
if (match (s, "miles",2)) x = U_MILES;
else if (match (s, "feet",1)) x = U_FEET;
else if (match (s, "meters",2)) x = U_METERS;
else if (match (s, "kilometers",1)) x = U_KILOMETERS;
else if (match (s, "acres",1)) x = U_ACRES;
else if (match (s, "hectares",1)) x = U_HECTARES;
return x;
}
int parse_option (char *s)
{
int x=0;
if (strcmp (s, "cat") == 0) x = O_CAT;
else if (strcmp (s, "area") == 0) x = O_AREA;
else if (strcmp (s, "length") == 0) x = O_LENGTH;
else if (strcmp (s, "count") == 0) x = O_COUNT;
else if (strcmp (s, "coor") == 0) x = O_COOR;
else if (strcmp (s, "sides") == 0) x = O_SIDES;
else if (strcmp (s, "query") == 0) x = O_QUERY;
return x;
}
int
match (char *s, char *key, int min)
{
int len;
if (!s) return 0;
len = strlen (s);
if (len < min) return 0;
return strncmp (s, key, len) == 0;
}
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