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/************************************************************************
** VOXML.C -- Utility procedures for writing XML files, i.e. the raw
** VOTable output wrapped in a proprietary XML document.
**
** M. Fitzpatrick, NOAO, July 2007
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <string.h>
#include <math.h>
#include "VOClient.h"
#include "voAppsP.h"
extern int format, debug, errno, extract;
extern char *output;
extern Service *svcList;
extern Object *objList;
extern char *vot_getSName (char *root);
extern char *vot_getOName (char *root);
extern char *vot_procTimestamp (void);
void vot_concatXML (char *fname);
int vot_copyXMLFile (char *root, char *sname, FILE *fd);
void vot_cleanXML (void);
/************************************************************************
** CONCATXML -- Concatenate the XML file generated by the query into a
** single, hierarchical document grouped by the service.
*/
void
vot_concatXML (char *fname)
{
FILE *fd = (FILE *) NULL;
Service *svc = svcList; /* the service list */
Proc *proc; /* process list in each service */
int index = 0;
char sname[SZ_LINE], oname[SZ_LINE];
if (fname[0] == '-')
fd = stdout;
else if ((fd = fopen (fname, "w+")) == (FILE *) NULL) {
fprintf (stderr, "ERROR: Cannot open XML file: '%s'\n", fname);
return;
}
fprintf (fd, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fprintf (fd, "<VOTABLES date=\"%s\">\n", vot_procTimestamp());
for (svc=svcList; svc; svc=svc->next) {
bzero (sname, SZ_FNAME);
strcpy (sname, vot_getSName (svc->proc->root));
for (proc=svc->proc; proc; proc=proc->next) {
bzero (oname, SZ_FNAME);
strcpy (oname, vot_getOName (proc->root));
fprintf (fd, "<VOTABLE_ENTRY index=\"%d\"", index);
fprintf (fd, " svc=\"%s\" ",
(strcmp ("tmp",sname) == 0 ? svc->name : sname));
if (!oname[0]) {
fprintf (fd, "pos=\"(%f,%f)\" ",
proc->obj->ra, proc->obj->dec);
}
fprintf (fd, "obj=\"%s\">\n", oname);
vot_copyXMLFile (proc->root, oname, fd);
fprintf (fd, "\n</VOTABLE_ENTRY>\n");
index++;
}
}
fprintf (fd, "</VOTABLES>\n");
/* Clean up the intermediate files if needed.
if (format & F_XML || (extract & EX_XML && extract & EX_COLLECT))
*/
if (format & F_XML && (extract & EX_COLLECT))
vot_cleanXML ();
/* Close the file descriptors.
*/
if (fd != stdout)
fclose (fd);
}
/************************************************************************
** COPYXMLFILE -- Copy a VOTable to the output XML file.
*/
int
vot_copyXMLFile (char *root, char *name, FILE *fd)
{
char *ip, line[4096], fname[SZ_FNAME];
FILE *ifd;
extern char *strcasestr();
bzero (fname, SZ_FNAME);
sprintf (fname, "%s.xml", root);
if (access (fname, R_OK) == 0) {
if ((ifd = fopen (fname, "r")) == (FILE *) NULL) {
fprintf (stderr, "Warning: Cannot open file '%s'\n", fname);
return (ERR);
}
} else {
return (OK);
}
/* Skip ahead to the start of the part we're interested in.
*/
bzero (line, 4096);
while (fgets (line, 4096, ifd)) {
if ((ip = strcasestr (line, "<VOTABLE"))) {
fprintf (fd, "%s", ip);
break;
}
bzero (line, 4096);
}
/* (Slow) Copy the file until the end of the Document.
*/
bzero (line, 4096);
while (fgets (line, 4096, ifd)) {
if (strcasestr (line, "</VOTABLE>")) {
fprintf (fd, "%s", line);
break;
}
fprintf (fd, " %s", line);
bzero (line, 4096);
}
fclose (ifd);
return (OK);
}
/************************************************************************
** CLEANXML -- Clean up the intermediate VOTable files when producing
** the compiled XML doc..
*/
void
vot_cleanXML ()
{
Service *svc = svcList; /* the service list */
Proc *proc; /* process list in each service */
char fname[SZ_FNAME];
for (svc=svcList; svc; svc=svc->next) {
for (proc=svc->proc; proc; proc=proc->next) {
bzero (fname, SZ_FNAME);
sprintf (fname, "%s.vot", proc->root);
unlink (fname);
}
}
}
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