// $Id$
+
#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 <simgear/misc/props_io.hxx>
+
+#include <Main/globals.hxx>
+
+#include <stdlib.h> // atoi() atof()
-#include <strstream.h>
+#include STL_STRSTREAM
#include "props.hxx"
+#if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
+SG_USING_STD(cout);
+SG_USING_STD(istrstream);
+SG_USING_STD(strstream);
+#endif
FGProps::FGProps() {
}
// open hailing frequencies
bool FGProps::open() {
+ reset();
+
if ( is_enabled() ) {
- FG_LOG( FG_IO, FG_ALERT, "This shouldn't happen, but the channel "
+ SG_LOG( SG_IO, SG_ALERT, "This shouldn't happen, but the channel "
<< "is already in use, ignoring" );
return false;
}
SGIOChannel *io = get_io_channel();
if ( ! io->open( get_direction() ) ) {
- FG_LOG( FG_IO, FG_ALERT, "Error opening channel communication layer." );
+ SG_LOG( SG_IO, SG_ALERT, "Error opening channel communication layer." );
return false;
}
set_enabled( true );
+ SG_LOG( SG_IO, SG_INFO, "Opening properties channel communication layer." );
return true;
}
+// prepare for new connection
+bool FGProps::reset() {
+ path = "/";
+ mode = PROMPT;
+ return true;
+}
+
+
+// return a human readable form of the value "type"
+static string getValueTypeString( const SGPropertyNode *node ) {
+ string result;
+
+ if ( node == NULL ) {
+ return "unknown";
+ }
+
+ SGPropertyNode::Type type = node->getType();
+ if ( type == SGPropertyNode::UNSPECIFIED ) {
+ result = "unspecified";
+ } else if ( type == SGPropertyNode::NONE ) {
+ result = "none";
+ } else if ( type == SGPropertyNode::BOOL ) {
+ result = "bool";
+ } else if ( type == SGPropertyNode::INT ) {
+ result = "int";
+ } else if ( type == SGPropertyNode::LONG ) {
+ result = "long";
+ } else if ( type == SGPropertyNode::FLOAT ) {
+ result = "float";
+ } else if ( type == SGPropertyNode::DOUBLE ) {
+ result = "double";
+ } else if ( type == SGPropertyNode::STRING ) {
+ result = "string";
+ }
+
+ return result;
+}
+
+
bool FGProps::process_command( const char *cmd ) {
- cout << "processing command = " << cmd << endl;
+ 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.c_str());
+
if ( command == "ls" ) {
+ SGPropertyNode * dir = node;
+ if ( tokens.size() > 2 ) {
+ if ( tokens[1][0] == '/' ) {
+ dir = globals->get_props()->getNode(tokens[1].c_str());
+ } else {
+ dir = globals->get_props()->getNode((path + "/" + tokens[1]).c_str());
+ }
+ if ( dir == 0 ) {
+ tokens[1] = "ERR Node \"" + tokens[1] + "\" not found.\n";
+ io->writestring( tokens[1].c_str() );
+ return true;
+ }
+ }
+ for (int i = 0; i < (int)dir->nChildren(); i++) {
+ SGPropertyNode * child = dir->getChild(i);
+ string name = child->getName();
+ string line = name;
+ if ( dir->getChild(name.c_str(), 1) ) {
+ char buf[16];
+ sprintf(buf, "[%d]", child->getIndex());
+ line += buf;
+ }
+ if ( child->nChildren() > 0 ) {
+ line += "/";
+ } else {
+ if ( mode == PROMPT ) {
+ string value = dir->getStringValue ( name.c_str(), "" );
+ line += " =\t'" + value + "'\t(";
+ line += getValueTypeString( dir->getNode( name.c_str() ) );
+ line += ")";
+ }
+ }
+ 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].c_str());
+ if ( child ) {
+ writeProperties ( buf, child );
+ io->writestring( buf.str() );
+ } else {
+ tokens[1] = "ERR Node \"" + 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].c_str());
+ if ( child ) {
+ node = child;
+ path = node->getPath();
+ } else {
+ tokens[1] = "ERR Node \"" + tokens[1] + "\" not found.\n";
+ io->writestring( tokens[1].c_str() );
+ }
+ }
+ } else if ( command == "pwd" ) {
+ string ttt = node->getPath();
+ if ( ttt.empty() ) {
+ ttt = "/";
+ }
+ ttt += "\n";
+ io->writestring( ttt.c_str() );
+ } else if ( command == "get" || command == "show" ) {
+ if ( tokens.size() <= 1 ) {
+ // do nothing
+ } else {
+ string tmp;
+ string value = node->getStringValue ( tokens[1].c_str(), "" );
+ if ( mode == PROMPT ) {
+ tmp = tokens[1] + " = '" + value + "' (";
+ tmp += getValueTypeString( node->getNode( tokens[1].c_str() ) );
+ tmp += ")\n";
+ } else {
+ tmp = value + "\n";
+ }
+ io->writestring( tmp.c_str() );
+ }
+ } else if ( command == "set" ) {
+ if ( tokens.size() <= 2 ) {
+ // do nothing
+ } else {
+ string tmp = tokens[2];
+ for ( unsigned int i = 3; i < tokens.size() - 1; i++ ) {
+ tmp += " " + tokens[i];
+ }
+ node->getNode( tokens[1].c_str(), true )->setStringValue(tmp.c_str());
+
+ if ( mode == PROMPT ) {
+ // now fetch and write out the new value as confirmation
+ // of the change
+ string value = node->getStringValue ( tokens[1].c_str(), "" );
+ string tmp = tokens[1] + " = '" + value + "' (";
+ tmp += getValueTypeString( node->getNode( tokens[1].c_str() ) );
+ tmp += ")\n";
+
+ io->writestring( tmp.c_str() );
+ }
+ }
+ } else if ( command == "quit" ) {
+ close();
+ reset();
+ return true;
+ } else if ( command == "data" ) {
+ mode = DATA;
+ } else if ( command == "prompt" ) {
+ mode = PROMPT;
+ } else {
+ io->writestring( "\n" );
+ io->writestring( "Valid commands are:\n" );
+ io->writestring( "\n" );
+ io->writestring( "help show help message\n" );
+ io->writestring( "ls [<dir>] list 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( "data switch to raw data mode\n" );
+ io->writestring( "prompt switch to interactive mode (default)\n" );
+ io->writestring( "quit terminate connection\n" );
+ io->writestring( "\n" );
}
+ if ( mode == PROMPT ) {
+ string prompt = node->getPath();
+ if ( prompt.empty() ) {
+ prompt = "/";
+ }
+ prompt += "> ";
+ io->writestring( prompt.c_str() );
+ }
return true;
}
// process work for this port
bool FGProps::process() {
SGIOChannel *io = get_io_channel();
+ char buf[max_cmd_len];
- cout << "processing incoming props command" << endl;
+ // cout << "processing incoming props command" << endl;
if ( get_direction() == SG_IO_BI ) {
- cout << " (bi directional)" << endl;
- while ( io->read( buf, max_cmd_len ) > 0 ) {
- FG_LOG( FG_IO, FG_ALERT, "Success reading data." );
+ // cout << " (bi directional)" << endl;
+ while ( io->readline( buf, max_cmd_len ) > 0 ) {
+ SG_LOG( SG_IO, SG_ALERT, "Success reading data." );
process_command( buf );
}
} else {
- FG_LOG( FG_IO, FG_ALERT,
+ SG_LOG( SG_IO, SG_ALERT,
"in or out direction not supported for FGProps." );
}
bool FGProps::close() {
SGIOChannel *io = get_io_channel();
- set_enabled( false );
-
if ( ! io->close() ) {
return false;
}
+ cout << "successfully closed channel\n";
+
return true;
}
projects / flightgear.git / blobdiff