Initial commit of an Aircraft automatic metadata generation utility
This commit is contained in:
Erik Hofman
parent
63d8c2fd83
commit
1b18e31a24
2 changed files with 371 additions and 1 deletions
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@ -1,6 +1,7 @@
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All utilities in this directory rely on the ZeroXML library.
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The xmlgrep utility is part op the ZeroXML package which is now hosted at:
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http://www.adalin.com
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Any further development will take place there.
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Any further development on ZeroXML will take place there.
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369
utils/xmlgrep/metadata.c
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369
utils/xmlgrep/metadata.c
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@ -0,0 +1,369 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <xml.h>
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char *
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getCommandLineOption(int argc, char **argv, char const *option)
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{
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int slen = strlen(option);
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char *rv = 0;
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int i;
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for (i=0; i<argc; i++)
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{
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if (strncmp(argv[i], option, slen) == 0)
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{
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rv = "";
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i++;
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if (i<argc) rv = argv[i];
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}
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}
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return rv;
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}
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void
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show_help()
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{
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printf("Usage: metdata [options]\n");
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printf("Updates the metadata of a FlightGear aircraft configuration.\n");
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printf("\nOptions:\n");
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printf(" -i, --input <file>\t\taircraft configuration file to update\n");
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printf("\n");
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exit(-1);
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}
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char *strlwr(char *str)
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{
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unsigned char *p = (unsigned char *)str;
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while (*p) {
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*p = tolower((unsigned char)*p);
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p++;
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}
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return str;
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}
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/* -- JSBSim ---------------------------------------------------------------- */
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const char*
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jsb_wing_tag(void *xid)
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{
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void *xmid = xmlNodeGet(xid, "/fdm_config/metrics");
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void *xlid = xmlMarkId(xmid);
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double aero_z = 0.0;
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double eye_z = 0.0;
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int i, num;
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num = xmlNodeGetNum(xmid, "location");
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for (i=0; i<num; ++i)
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{
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if (xmlNodeGetPos(xmid, xlid, "location", i) != 0)
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{
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if (!xmlAttributeCompareString(xlid, "name", "AERORP")) {
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aero_z = xmlNodeGetDouble(xlid, "z");
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} else if (!xmlAttributeCompareString(xlid, "name", "EYEPOINT")) {
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eye_z = xmlNodeGetDouble(xlid, "z");
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}
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}
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}
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xmlFree(xlid);
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xmlFree(xmid);
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if (aero_z > eye_z) return "high-wing";
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else return "low-wing";
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}
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const char*
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jsb_gear_tag(void *xid)
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{
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void *xgid = xmlNodeGet(xid, "/fdm_config/ground_reactions");
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void *xcid = xmlMarkId(xgid);
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double nose_x = 0.0;
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double main_x = 0.0;
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int bogeys = 0;
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int i, num;
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num = xmlNodeGetNum(xgid, "contact");
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for (i=0; i<num; ++i)
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{
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if (xmlNodeGetPos(xgid, xcid, "contact", i) != 0)
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{
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if (!xmlAttributeCompareString(xcid, "type", "BOGEY"))
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{
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if (xmlNodeGetDouble(xcid, "location/y") == 0.0) {
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nose_x = xmlNodeGetDouble(xcid, "location/x");
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} else {
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main_x = xmlNodeGetDouble(xcid, "location/x");
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}
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bogeys++;
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}
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}
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}
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xmlFree(xcid);
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xmlFree(xgid);
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if (bogeys < 3) return "skids";
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else if (main_x < nose_x) return "tail-dragger";
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return "tricycle";
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}
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const char*
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jsb_engines_tag(void *xid)
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{
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void *xpid = xmlNodeGet(xid, "/fdm_config/propulsion");
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void *xeid = xmlMarkId(xpid);
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const char* rv = "multi-engine";
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int engines = 0;
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int i, num;
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char *main;
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num = xmlNodeGetNum(xpid, "engine");
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for (i=0; i<num; ++i)
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{
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if (xmlNodeGetPos(xpid, xeid, "engine", i) != 0)
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{
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if (i == 0)
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{
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main = xmlAttributeGetString(xeid, "file");
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engines++;
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}
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else if (!xmlAttributeCompareString(xeid, "file", main)) {
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engines++;
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}
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}
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}
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xmlFree(main);
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xmlFree(xeid);
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xmlFree(xpid);
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switch (engines)
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{
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case 0:
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rv = "glider";
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break;
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case 1:
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rv = "single-engine";
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break;
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case 2:
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rv = "twin-engine";
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break;
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case 3:
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rv = "three-engine";
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break;
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case 4:
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rv = "four-engine";
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break;
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default:
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break;
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}
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return rv;
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}
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const char*
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jsb_engine_tag(void *xid, char *path)
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{
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void *xeid = xmlNodeGet(xid, "/fdm_config/propulsion/engine");
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char *engine = xmlAttributeGetString(xeid, "file");
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char *fname = calloc(1, strlen(path)+strlen("Engines/")+
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strlen(engine)+strlen(".xml")+1);
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const char *rv = "unknown";
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if (fname)
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{
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void *xfid;
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memcpy(fname, path, strlen(path));
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memcpy(fname+strlen(path), "Engines/", strlen("Engines/"));
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memcpy(fname+strlen(path)+strlen("Engines/"), engine, strlen(engine));
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memcpy(fname+strlen(path)+strlen("Engines/")+strlen(engine), ".xml", strlen(".xml"));
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xfid = xmlOpen(fname);
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if (xfid)
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{
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if (xmlNodeTest(xfid, "turbine_engine")) rv = "turbine";
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else if (xmlNodeTest(xfid, "turboprop_engine")) rv = "turboprop";
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else if (xmlNodeTest(xfid, "piston_engine")) rv = "piston";
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else if (xmlNodeTest(xfid, "electric_engine")) rv = "electric";
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else if (xmlNodeTest(xfid, "rocket_engine")) rv = "rocket";
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xmlClose(xfid);
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}
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else {
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printf("JSBSim engine file not found: %s\n", fname);
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}
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free(fname);
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}
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else {
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printf("Unable to allocate memory\n");
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}
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xmlFree(engine);
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xmlFree(xeid);
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return rv;
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}
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void
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update_metadata_jsb(char *path, char *aero)
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{
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char *fname;
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void *xid;
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fname = malloc(strlen(path)+strlen(aero)+strlen(".xml"));
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if (!fname)
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{
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printf("Unable to allocate memory\n");
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return;
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}
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memcpy(fname, path, strlen(path));
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memcpy(fname+strlen(path), aero, strlen(aero));
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memcpy(fname+strlen(path)+strlen(aero), ".xml", strlen(".xml"));
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xid = xmlOpen(fname);
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if (!xid)
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{
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printf("JSBSim aero file not found: '%s'\n", fname);
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return;
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}
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printf(" <tags>\n");
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printf(" <tag>%s</tag>\n", strlwr(aero));
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printf(" <tag>%s</tag>\n", jsb_wing_tag(xid));
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printf(" <tag>%s</tag>\n", jsb_gear_tag(xid));
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printf(" <tag>%s</tag>\n", jsb_engines_tag(xid));
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printf(" <tag>%s</tag>\n", jsb_engine_tag(xid, path));
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printf(" </tags>\n");
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xmlClose(xid);
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free(fname);
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}
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/* -- Yasim ----------------------------------------------------------------- */
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void
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update_metadata_yasim(char *path, char *aero)
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{
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char *fname;
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void *xid;
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fname = malloc(strlen(path)+strlen(aero)+strlen(".xml"));
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if (!fname)
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{
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printf("Unable to allocate memory\n");
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return;
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}
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memcpy(fname, path, strlen(path));
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memcpy(fname+strlen(path), aero, strlen(aero));
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memcpy(fname+strlen(path)+strlen(aero), ".xml", strlen(".xml"));
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xid = xmlOpen(fname);
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if (!xid)
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{
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printf("Yasim aero file not found: '%s'\n", fname);
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return;
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}
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printf(" <tags>\n");
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printf(" <tag>%s</tag>\n", strlwr(aero));
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printf(" </tags>\n");
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xmlClose(xid);
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free(fname);
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}
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/* -------------------------------------------------------------------------- */
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void
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update_metadata(const char *fname)
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{
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void *xsid, *xid = xmlOpen(fname);
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if (!xid)
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{
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printf("File not found: '%s'\n", fname);
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return;
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}
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xsid = xmlNodeGet(xid, "/PropertyList/sim");
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if (!xsid)
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{
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printf("path '/PropertyList/sim' not found in '%s'\n", fname);
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xmlClose(xid);
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return;
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}
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// if (xmlNodeTest(xsid, "tags") == 0)
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if (1)
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{
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char *str = NULL;
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char *path, *pend;
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pend = strrchr(fname, '/');
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if (!pend) pend = strrchr(fname, '\\');
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if (!pend) path = strdup("./");
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else
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{
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pend++;
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path = calloc(1, pend-fname+1);
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memcpy(path, fname, pend-fname);
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}
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if (!xmlNodeCompareString(xsid, "flight-model", "jsb"))
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{
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str = xmlNodeGetString(xsid, "aero");
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update_metadata_jsb(path, str);
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}
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else if (!xmlNodeCompareString(xsid, "flight-model", "yasim"))
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{
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str = xmlNodeGetString(xsid, "aero");
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update_metadata_yasim(path, str);
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}
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else
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{
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str = xmlNodeGetString(xsid, "flight-model");
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printf("The '%s' flightmodel is unsupported at this time\n", str);
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}
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xmlFree(xsid);
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xmlFree(str);
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free(path);
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}
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else {
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printf("'%s' already contains metadata tags\n", fname);
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}
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xmlClose(xid);
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}
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int
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main(int argc, char **argv)
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{
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const char *setFile;
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if (argc == 1 || getCommandLineOption(argc, argv, "-h") ||
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getCommandLineOption(argc, argv, "--help")) {
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show_help();
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}
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setFile = getCommandLineOption(argc, argv, "-i");
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if (!setFile) {
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setFile = getCommandLineOption(argc, argv, "-input");
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}
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if (!setFile) {
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show_help();
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}
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update_metadata(setFile);
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return 0;
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}
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