fly/flightgear
1
0
Fork 0
Code Activity

Make the routines that scan the command line options and config files more

Browse source 
general so we can eliminate the option specific versions of these.
This commit is contained in:
curt 2002-11-16 20:41:00 +00:00
parent 52a322decc
commit b3935aa01f
1 changed files with 27 additions and 86 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

113
src/Main/fg_init.cxx
View file

@ -142,19 +142,21 @@ extern const char *default_root;
SkySceneLoader *sgCloud3d; SkySceneLoader *sgCloud3d;
// Scan the command line options for an fg_root definition and set // Scan the command line options for the specified option and return
// just that. // the value.
static string fgScanForRoot (int argc, char **argv) { static string fgScanForOption( const string& option, int argc, char **argv ) {
int i = 1; int i = 1;
SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line"); SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
int len = option.length();
while ( i < argc ) { while ( i < argc ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] ); SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
string arg = argv[i]; string arg = argv[i];
if ( arg.find( "--fg-root=" ) == 0 ) { if ( arg.find( option ) == 0 ) {
return arg.substr( 10 ); return arg.substr( len );
} }
i++; i++;
@ -164,14 +166,17 @@ static string fgScanForRoot (int argc, char **argv) {
} }
// Scan the user config files for an fg_root definition and set just // Scan the user config files for the specified option and return
// that. // the value.
static string fgScanForRoot (const string& path) { static string fgScanForOption( const string& option, const string& path ) {
sg_gzifstream in( path ); sg_gzifstream in( path );
if ( !in.is_open() ) if ( !in.is_open() ) {
return ""; return "";
}
SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << path ); SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
int len = option.length();
in >> skipcomment; in >> skipcomment;
#ifndef __MWERKS__ #ifndef __MWERKS__
@ -194,8 +199,8 @@ static string fgScanForRoot (const string& path) {
line = line.substr( 0, line.length()-1 ); line = line.substr( 0, line.length()-1 );
} }
if ( line.find( "--fg-root=" ) == 0 ) { if ( line.find( option ) == 0 ) {
return line.substr( 10 ); return line.substr( len );
} }
in >> skipcomment; in >> skipcomment;
@ -211,9 +216,9 @@ bool fgInitFGRoot ( int argc, char **argv ) {
string root; string root;
char* envp; char* envp;
// First parse command line options looking for fg-root, this will // First parse command line options looking for --fg-root=, this
// override anything specified in a config file // will override anything specified in a config file
root = fgScanForRoot(argc, argv); root = fgScanForOption( "--fg-root=", argc, argv);
#if defined( unix ) || defined( __CYGWIN__ ) #if defined( unix ) || defined( __CYGWIN__ )
// Next check home directory for .fgfsrc.hostname file // Next check home directory for .fgfsrc.hostname file
@ -226,7 +231,7 @@ bool fgInitFGRoot ( int argc, char **argv ) {
gethostname( name, 256 ); gethostname( name, 256 );
config.concat( "." ); config.concat( "." );
config.concat( name ); config.concat( name );
root = fgScanForRoot(config.str()); root = fgScanForOption( "--fg-root=", config.str() );
} }
} }
#endif #endif
@ -237,7 +242,7 @@ bool fgInitFGRoot ( int argc, char **argv ) {
if ( envp != NULL ) { if ( envp != NULL ) {
SGPath config( envp ); SGPath config( envp );
config.append( ".fgfsrc" ); config.append( ".fgfsrc" );
root = fgScanForRoot(config.str()); root = fgScanForOption( "--fg-root=", config.str() );
} }
} }
@ -270,70 +275,6 @@ bool fgInitFGRoot ( int argc, char **argv ) {
} }
// Scan the command line options for an aircraft definition and set
// just that.
static string fgScanForAircraft (int argc, char **argv) {
int i = 1;
SG_LOG(SG_GENERAL, SG_INFO, "Scanning for aircraft: command line");
while ( i < argc ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
string arg = argv[i];
if ( arg.find( "--aircraft=" ) == 0 ) {
return arg.substr( 11 );
}
i++;
}
return "";
}
// Scan the user config files for an aircrafg definition and set just
// that.
static string fgScanForAircraft (const string& path) {
sg_gzifstream in( path );
if ( !in.is_open() ) {
return "";
}
SG_LOG( SG_GENERAL, SG_INFO, "Scanning for aircraft: " << path );
in >> skipcomment;
#ifndef __MWERKS__
while ( ! in.eof() ) {
#else
char c = '\0';
while ( in.get(c) && c != '\0' ) {
in.putback(c);
#endif
string line;
#if defined( macintosh )
getline( in, line, '\r' );
#else
getline( in, line, '\n' );
#endif
// catch extraneous (DOS) line ending character
if ( line[line.length() - 1] < 32 ) {
line = line.substr( 0, line.length()-1 );
}
if ( line.find( "--aircraft=" ) == 0 ) {
return line.substr( 11 );
}
in >> skipcomment;
}
return "";
}
// Read in configuration (files and command line options) but only set // Read in configuration (files and command line options) but only set
// aircraft // aircraft
bool fgInitFGAircraft ( int argc, char **argv ) { bool fgInitFGAircraft ( int argc, char **argv ) {
@ -342,7 +283,7 @@ bool fgInitFGAircraft ( int argc, char **argv ) {
// First parse command line options looking for --aircraft=, this // First parse command line options looking for --aircraft=, this
// will override anything specified in a config file // will override anything specified in a config file
aircraft = fgScanForAircraft(argc, argv); aircraft = fgScanForOption( "--aircraft=", argc, argv );
#if defined( unix ) || defined( __CYGWIN__ ) #if defined( unix ) || defined( __CYGWIN__ )
// Next check home directory for .fgfsrc.hostname file // Next check home directory for .fgfsrc.hostname file
@ -355,7 +296,7 @@ bool fgInitFGAircraft ( int argc, char **argv ) {
gethostname( name, 256 ); gethostname( name, 256 );
config.concat( "." ); config.concat( "." );
config.concat( name ); config.concat( name );
aircraft = fgScanForRoot(config.str()); aircraft = fgScanForOption( "--aircraft=", config.str() );
} }
} }
#endif #endif
@ -366,7 +307,7 @@ bool fgInitFGAircraft ( int argc, char **argv ) {
if ( envp != NULL ) { if ( envp != NULL ) {
SGPath config( envp ); SGPath config( envp );
config.append( ".fgfsrc" ); config.append( ".fgfsrc" );
aircraft = fgScanForRoot(config.str()); aircraft = fgScanForOption( "--aircraft=", config.str() );
} }
} }