// $Id$
+#include <Main/globals.hxx>
+
#include <simgear/compiler.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/io/iochannel.hxx>
#include <simgear/math/sg_types.hxx>
+#include <simgear/misc/props.hxx>
+
+#include <stdlib.h> // atoi() atof()
-#include <strstream.h>
+#include <strstream>
#include "props.hxx"
+SG_USING_STD(cout);
+SG_USING_STD(istrstream);
FGProps::FGProps() {
}
// open hailing frequencies
bool FGProps::open() {
+ path = "/";
+
if ( is_enabled() ) {
FG_LOG( FG_IO, FG_ALERT, "This shouldn't happen, but the channel "
<< "is already in use, ignoring" );
}
set_enabled( true );
+ FG_LOG( FG_IO, FG_INFO, "Opening properties channel communication layer." );
return true;
}
+// return a human readable form of the value "type"
+static string getValueTypeString( const SGValue *v ) {
+ string result;
+
+ if ( v == NULL ) {
+ return "unknown";
+ }
+
+ SGValue::Type type = v->getType();
+ if ( type == SGValue::UNKNOWN ) {
+ result = "unknown";
+ } else if ( type == SGValue::BOOL ) {
+ result = "bool";
+ } else if ( type == SGValue::INT ) {
+ result = "int";
+ } else if ( type == SGValue::FLOAT ) {
+ result = "float";
+ } else if ( type == SGValue::DOUBLE ) {
+ result = "double";
+ } else if ( type == SGValue::STRING ) {
+ result = "string";
+ }
+
+ return result;
+}
+
+
bool FGProps::process_command( const char *cmd ) {
+ SGIOChannel *io = get_io_channel();
+
+ cout << "processing command = " << cmd;
string_list tokens;
tokens.clear();
string command = tokens[0];
+ SGPropertyNode * node = globals->get_props()->getNode(path);
+
if ( command == "ls" ) {
-
+ for (int i = 0; i < (int)node->nChildren(); i++) {
+ SGPropertyNode * child = node->getChild(i);
+ string name = child->getName();
+ string line = name;
+ if ( child->nChildren() > 0 ) {
+ line += "/\n";
+ } else {
+ string value = node->getStringValue ( name, "" );
+ line += " =\t'" + value + "'\t(";
+ line += getValueTypeString( node->getValue( name ) );
+ line += ")\n";
+ }
+ io->writestring( line.c_str() );
+ }
+ } else if ( command == "dump" ) {
+ strstream buf;
+ if ( tokens.size() <= 1 ) {
+ writeProperties ( buf, node);
+ io->writestring( buf.str() );
+ }
+ else {
+ SGPropertyNode *child = node->getNode(tokens[1]);
+ if ( child ) {
+ writeProperties ( buf, child );
+ io->writestring( buf.str() );
+ } else {
+ tokens[1] += " Not Found\n";
+ io->writestring( tokens[1].c_str() );
+ }
+ }
+ } else if ( command == "cd" ) {
+ // string tmp = "current path = " + node.getPath() + "\n";
+ // io->writestring( tmp.c_str() );
+
+ if ( tokens.size() <= 1 ) {
+ // do nothing
+ } else {
+ SGPropertyNode *child = node->getNode(tokens[1]);
+ if ( child ) {
+ node = child;
+ path = node->getPath();
+ } else {
+ tokens[1] += " Not Found\n";
+ io->writestring( tokens[1].c_str() );
+ }
+ }
+ } else if ( command == "pwd" ) {
+ string ttt = node->getPath();
+ if ( ttt == "" ) {
+ ttt = "/";
+ }
+ ttt += "\n";
+ io->writestring( ttt.c_str() );
+ } else if ( command == "get" || command == "show" ) {
+ if ( tokens.size() <= 1 ) {
+ // do nothing
+ } else {
+ string ttt = "debug = '" + tokens[1] + "'\n";
+ io->writestring( ttt.c_str() );
+
+ string value = node->getStringValue ( tokens[1], "" );
+ string tmp = tokens[1] + " = '" + value + "' (";
+ tmp += getValueTypeString( node->getValue( tokens[1] ) );
+ tmp += ")\n";
+
+ io->writestring( tmp.c_str() );
+ }
+ } else if ( command == "set" ) {
+ if ( tokens.size() <= 2 ) {
+ // do nothing
+ } else {
+ node->getValue( tokens[1], true )->setStringValue(tokens[2]);
+
+ // now fetch and write out the new value as confirmation
+ // of the change
+ string value = node->getStringValue ( tokens[1], "" );
+ string tmp = tokens[1] + " = '" + value + "' (";
+ tmp += getValueTypeString( node->getValue( tokens[1] ) );
+ tmp += ")\n";
+
+ io->writestring( tmp.c_str() );
+ }
+ } else if ( command == "quit" ) {
+ close();
+ } else {
+ io->writestring( "\n" );
+ io->writestring( "Valid commands are:\n" );
+ io->writestring( "\n" );
+ io->writestring( "help show help message\n" );
+ io->writestring( "ls list current directory\n" );
+ io->writestring( "dump dump current state (in xml)\n" );
+ io->writestring( "cd <dir> cd to a directory, '..' to move back\n" );
+ io->writestring( "pwd display your current path\n" );
+ io->writestring( "get <var> show the value of a parameter\n" );
+ io->writestring( "show <var> synonym for get\n" );
+ io->writestring( "set <var> <val> set <var> to a new <val>\n" );
+ io->writestring( "quit terminate connection\n" );
+ io->writestring( "\n" );
+ }
+
+ string prompt = node->getPath();
+ if ( prompt == "" ) {
+ prompt = "/";
}
+ prompt += "> ";
+ io->writestring( prompt.c_str() );
+
+ return true;
}
bool FGProps::process() {
SGIOChannel *io = get_io_channel();
+ // cout << "processing incoming props command" << endl;
+
if ( get_direction() == SG_IO_BI ) {
- while ( io->read( buf, max_cmd_len ) > 0 ) {
+ // cout << " (bi directional)" << endl;
+ while ( io->readline( buf, max_cmd_len ) > 0 ) {
FG_LOG( FG_IO, FG_ALERT, "Success reading data." );
process_command( buf );
}
+ } else {
+ FG_LOG( FG_IO, FG_ALERT,
+ "in or out direction not supported for FGProps." );
}
return true;
return false;
}
+ cout << "successfully closed channel\n";
+
return true;
}
projects / flightgear.git / blobdiff