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Be a tad more clever on readin the apt database; optimize the if statements a bit and dont tokenize strings we don't want to see anyhow.

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This commit is contained in:
ehofman 2005-05-27 17:46:35 +00:00
parent 88c73d0ece
commit e4bce63391
1 changed files with 37 additions and 27 deletions
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62
src/Airports/apt_loader.cxx
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@ -29,6 +29,7 @@
#include <simgear/compiler.h>
#include <stdlib.h> // atof(), atoi()
#include <strings.h> // memchr()
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
@ -68,6 +69,8 @@ bool fgAirportDBLoad( FGAirportList *airports, FGRunwayList *runways,
string line;
char tmp[2048];
char sp_pos = 0, lid = 0;
double rwy_lon_accum = 0.0;
double rwy_lat_accum = 0.0;
int rwy_count = 0;
@ -75,34 +78,41 @@ bool fgAirportDBLoad( FGAirportList *airports, FGRunwayList *runways,
while ( ! in.eof() ) {
in.getline(tmp, 2048);
line = tmp;
SG_LOG( SG_GENERAL, SG_BULK, "-> '" << line << "'" );
if ( line.length() ) {
token = simgear::strutils::split( line );
if ( token.size() ) {
SG_LOG( SG_GENERAL, SG_BULK, "token[0] " << token[0] );
}
} else {
token.clear();
if ( !line.size() )
continue;
if (line.size() > 3) {
char *p = (char *)memchr(tmp, ' ', 3);
if ( p )
*p = 0;
}
if ( !line.length() || !token.size() ) {
// empty line, skip
} else if ( (token[0] == "#") || (token[0] == "//") ) {
lid = atoi(tmp);
if ( tmp[0] == '#' || (tmp[0] == '/' && tmp[1] == '/') ) {
// comment, skip
} else if ( token[0] == "I" ) {
} else if ( tmp[0] == 'I' ) {
// First line, indicates IBM (i.e. DOS line endings I
// believe.)
// move past this line and read and discard the next line
// which is the version and copyright information
in.getline(tmp, 2048);
vector<string> vers_token = simgear::strutils::split( tmp );
// vector<string> vers_token = simgear::strutils::split( tmp );
if ( strnlen(tmp, 2048) > 4 ) {
char *p = (char *)memchr(tmp, ' ', 4);
if ( p )
*p = 0;
}
SG_LOG( SG_GENERAL, SG_INFO, "Data file version = "
<< vers_token[0] );
} else if ( token[0] == "1" /* Airport */ ||
token[0] == "16" /* Seaplane base */ ||
token[0] == "17" /* Heliport */ ) {
<< tmp );
} else if ( lid == 1 /* Airport */ ||
lid == 16 /* Seaplane base */ ||
lid == 17 /* Heliport */ ) {
token.clear();
token = simgear::strutils::split(line);
string id = token[4];
double elev = atof( token[1].c_str() );
SG_LOG( SG_GENERAL, SG_BULK, "Next airport = " << id << " "
@ -141,7 +151,10 @@ bool fgAirportDBLoad( FGAirportList *airports, FGRunwayList *runways,
rwy_lon_accum = 0.0;
rwy_lat_accum = 0.0;
rwy_count = 0;
} else if ( token[0] == "10" ) {
} else if ( lid == 10 ) {
token.clear();
token = simgear::strutils::split(line);
// runway entry
double lat = atof( token[1].c_str() );
double lon = atof( token[2].c_str() );
@ -179,20 +192,17 @@ bool fgAirportDBLoad( FGAirportList *airports, FGRunwayList *runways,
stopway1, stopway2, lighting_flags, surface_code,
shoulder_code, marking_code, smoothness,
dist_remaining );
} else if ( token[0] == "18" ) {
} else if ( lid == 18 ) {
// beacon entry (ignore)
} else if ( token[0] == "14" ) {
} else if ( lid == 14 ) {
// control tower entry (ignore)
} else if ( token[0] == "19" ) {
} else if ( lid == 19 ) {
// windsock entry (ignore)
} else if ( token[0] == "15" ) {
} else if ( lid == 15 ) {
// custom startup locations (ignore)
} else if ( token[0] == "50" || token[0] == "51" || token[0] == "52"
|| token[0] == "53" || token[0] == "54" || token[0] == "55"
|| token[0] == "56" )
{
} else if ( lid >= 50 && lid <= 56 ) {
// frequency entries (ignore)
} else if ( token[0] == "99" ) {
} else if ( lid == 99 ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "End of file reached" );
} else {
SG_LOG( SG_GENERAL, SG_ALERT,