//
// Written by Curtis Olson, started November 1999.
//
-// Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// $Id$
+#include <string.h> // strstr()
+#include <stdlib.h> // strtod(), atoi()
+
#include <simgear/debug/logstream.hxx>
#include <simgear/io/iochannel.hxx>
#include <simgear/structure/exception.hxx>
#include "generic.hxx"
+
FGGeneric::FGGeneric(string& config) {
string file = config+".xml";
return;
}
+ _out_message.clear();
SGPropertyNode *output = root.getNode("generic/output");
+ if (output)
+ read_config(output, _out_message);
- /* These variables specified in the fgfsbase/Properties/xxxx.xml file for each format
- * var_sep_string = the string/charachter to place between variables
- * line_sep_string = the string/charachter to place at the end of each lot of variables
- */
- var_sep_string = output->getStringValue("var_separator");
- line_sep_string = output->getStringValue("line_separator");
-
- if ( var_sep_string == "newline" )
- var_separator = '\n';
- else if ( var_sep_string == "tab" )
- var_separator = '\t';
- else if ( var_sep_string == "space" )
- var_separator = ' ';
- else if ( var_sep_string == "formfeed" )
- var_separator = '\f';
- else if ( var_sep_string == "carriagereturn" )
- var_sep_string = '\r';
- else if ( var_sep_string == "verticaltab" )
- var_separator = '\v';
- else
- var_separator = var_sep_string;
-
- if ( line_sep_string == "newline" )
- line_separator = '\n';
- if ( line_sep_string == "tab" )
- line_separator = '\t';
- if ( line_sep_string == "space" )
- line_separator = ' ';
- else if ( line_sep_string == "formfeed" )
- line_separator = '\f';
- else if ( line_sep_string == "carriagereturn" )
- line_separator = '\r';
- else if ( line_sep_string == "verticaltab" )
- line_separator = '\v';
- else
- line_separator = line_sep_string;
-
-
- vector<SGPropertyNode_ptr> chunks = output->getChildren("chunk");
- for (unsigned int i = 0; i < chunks.size(); i++) {
-
- _serial_prot chunk;
-
- // chunk.name = chunks[i]->getStringValue("name");
- chunk.format = chunks[i]->getStringValue("format", "%d");
- chunk.offset = chunks[i]->getDoubleValue("offset");
- chunk.factor = chunks[i]->getDoubleValue("offset", 1.0);
-
- string node = chunks[i]->getStringValue("node");
- chunk.prop = fgGetNode(node.c_str(), true);
-
- string type = chunks[i]->getStringValue("type");
- if (type == "bool")
- chunk.type = FG_BOOL;
- else if (type == "float")
- chunk.type = FG_DOUBLE;
- else if (type == "string")
- chunk.type = FG_STRING;
- else
- chunk.type = FG_INT;
-
- _message.push_back(chunk);
-
- }
-
+ _in_message.clear();
+ SGPropertyNode *input = root.getNode("generic/input");
+ if (input)
+ read_config(input, _in_message);
}
FGGeneric::~FGGeneric() {
- _message.clear();
+ _out_message.clear();
+ _in_message.clear();
}
double val;
- for (unsigned int i = 0; i < _message.size(); i++) {
+ for (unsigned int i = 0; i < _out_message.size(); i++) {
if (i > 0)
generic_sentence += var_separator;
- switch (_message[i].type) {
+ switch (_out_message[i].type) {
case FG_INT:
- val = _message[i].offset +
- _message[i].prop->getIntValue() * _message[i].factor;
- snprintf(tmp, 255, _message[i].format.c_str(), (int)val);
+ val = _out_message[i].offset +
+ _out_message[i].prop->getIntValue() * _out_message[i].factor;
+ snprintf(tmp, 255, _out_message[i].format.c_str(), (int)val);
break;
case FG_BOOL:
- snprintf(tmp, 255, _message[i].format.c_str(),
- _message[i].prop->getBoolValue());
+ snprintf(tmp, 255, _out_message[i].format.c_str(),
+ _out_message[i].prop->getBoolValue());
break;
case FG_DOUBLE:
- val = _message[i].offset +
- _message[i].prop->getDoubleValue() * _message[i].factor;
- snprintf(tmp, 255, _message[i].format.c_str(), val);
+ val = _out_message[i].offset +
+ _out_message[i].prop->getFloatValue() * _out_message[i].factor;
+ snprintf(tmp, 255, _out_message[i].format.c_str(), (float)val);
break;
default: // SG_STRING
- snprintf(tmp, 255, _message[i].format.c_str(),
- _message[i].prop->getStringValue());
+ snprintf(tmp, 255, _out_message[i].format.c_str(),
+ _out_message[i].prop->getStringValue());
}
generic_sentence += tmp;
}
- /* After each lot of variables has been added, put the line separator char/string */
+ /* After each lot of variables has been added, put the line separator
+ * char/string
+ */
generic_sentence += line_separator;
}
bool FGGeneric::parse_message() {
- return true;
+ char *p2, *p1 = buf;
+ double val;
+ int i = -1;
+
+ while ((++i < _in_message.size()) &&
+ p1 && strcmp(p1, line_separator.c_str())) {
+
+ p2 = strstr(p1, var_separator.c_str());
+ if (p2) {
+ *p2 = 0;
+ p2 += var_separator.length();
+ }
+
+ switch (_in_message[i].type) {
+ case FG_INT:
+ val = _in_message[i].offset + atoi(p1) * _in_message[i].factor;
+ _in_message[i].prop->setIntValue((int)val);
+ break;
+
+ case FG_BOOL:
+ _in_message[i].prop->setBoolValue( atof(p1) != 0.0 );
+ break;
+
+ case FG_DOUBLE:
+ val = _in_message[i].offset + strtod(p1, 0) * _in_message[i].factor;
+ _in_message[i].prop->setFloatValue((float)val);
+ break;
+
+ default: // SG_STRING
+ _in_message[i].prop->setStringValue(p1);
+ }
+
+ p1 = p2;
+ }
+
+ return true;
}
return false;
}
} else if ( get_direction() == SG_IO_IN ) {
- // Temporarliy disable this as output only!
- //if ( (length = io->readline( buf, FG_MAX_MSG_SIZE )) > 0 ) {
- // parse_message();
- //} else {
- // SG_LOG( SG_IO, SG_ALERT, "Error reading data." );
- // return false;
- //}
+ if ( (length = io->readline( buf, FG_MAX_MSG_SIZE )) > 0 ) {
+ parse_message();
+ } else {
+ SG_LOG( SG_IO, SG_ALERT, "Error reading data." );
+ return false;
+ }
}
return true;
return true;
}
+
+
+void
+FGGeneric::read_config(SGPropertyNode *root, vector<_serial_prot> &msg)
+{
+ /* These variables specified in the $FG_ROOT/data/Protocol/xxx.xml
+ * file for each format
+ *
+ * var_sep_string = the string/charachter to place between variables
+ * line_sep_string = the string/charachter to place at the end of each
+ * lot of variables
+ */
+ var_sep_string = root->getStringValue("var_separator");
+ line_sep_string = root->getStringValue("line_separator");
+
+ if ( var_sep_string == "newline" )
+ var_separator = '\n';
+ else if ( var_sep_string == "tab" )
+ var_separator = '\t';
+ else if ( var_sep_string == "space" )
+ var_separator = ' ';
+ else if ( var_sep_string == "formfeed" )
+ var_separator = '\f';
+ else if ( var_sep_string == "carriagereturn" )
+ var_sep_string = '\r';
+ else if ( var_sep_string == "verticaltab" )
+ var_separator = '\v';
+ else
+ var_separator = var_sep_string;
+
+ if ( line_sep_string == "newline" )
+ line_separator = '\n';
+ else if ( line_sep_string == "tab" )
+ line_separator = '\t';
+ else if ( line_sep_string == "space" )
+ line_separator = ' ';
+ else if ( line_sep_string == "formfeed" )
+ line_separator = '\f';
+ else if ( line_sep_string == "carriagereturn" )
+ line_separator = '\r';
+ else if ( line_sep_string == "verticaltab" )
+ line_separator = '\v';
+ else
+ line_separator = line_sep_string;
+
+
+ vector<SGPropertyNode_ptr> chunks = root->getChildren("chunk");
+ for (unsigned int i = 0; i < chunks.size(); i++) {
+
+ _serial_prot chunk;
+
+ // chunk.name = chunks[i]->getStringValue("name");
+ chunk.format = chunks[i]->getStringValue("format", "%d");
+ chunk.offset = chunks[i]->getDoubleValue("offset");
+ chunk.factor = chunks[i]->getDoubleValue("factor", 1.0);
+
+ string node = chunks[i]->getStringValue("node");
+ chunk.prop = fgGetNode(node.c_str(), true);
+
+ string type = chunks[i]->getStringValue("type");
+ if (type == "bool")
+ chunk.type = FG_BOOL;
+ else if (type == "float")
+ chunk.type = FG_DOUBLE;
+ else if (type == "string")
+ chunk.type = FG_STRING;
+ else
+ chunk.type = FG_INT;
+
+ msg.push_back(chunk);
+
+ }
+
+}
+
projects / flightgear.git / blobdiff