List of destinations for tour guide dialog.

src/destination.cpp

@@ -0,0 +1,79 @@
+// destination.cpp
+//
+// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+
+#include <algorithm>
+#include "celestia.h"
+#include "util.h"
+#include "parser.h"
+#include "destination.h"
+
+using namespace std;
+
+
+Destination::Destination() :
+    name(""),
+    target(""),
+    distance(0.0),
+    description("")
+{
+}
+
+
+DestinationList* ReadDestinationList(istream& in)
+{
+    Tokenizer tokenizer(&in);
+    Parser parser(&tokenizer);
+    DestinationList* destinations = new DestinationList();
+
+    cout << "ReadDestinationList\n";
+
+    while (tokenizer.nextToken() != Tokenizer::TokenEnd)
+    {
+        if (tokenizer.getTokenType() != Tokenizer::TokenBeginGroup)
+        {
+            DPRINTF("Error parsing destinations file.\n");
+            for_each(destinations->begin(), destinations->end(), deleteFunc<Destination*>());
+            delete destinations;
+            return NULL;
+        }
+        tokenizer.pushBack();
+
+        Value* destValue = parser.readValue();
+        if (destValue == NULL || destValue->getType() != Value::HashType)
+        {
+            DPRINTF("Error parsing destination.\n");
+            for_each(destinations->begin(), destinations->end(), deleteFunc<Destination*>());
+            delete destinations;
+            if (destValue != NULL)
+                delete destValue;
+            return NULL;
+        }
+
+        Hash* destParams = destValue->getHash();
+        Destination* dest = new Destination();
+        
+        if (!destParams->getString("Name", dest->name))
+        {
+            DPRINTF("Skipping unnamed destination\n");
+            delete dest;
+        }
+        else
+        {
+            cout << "Reading destination: " << dest->name << '\n';
+            destParams->getString("Target", dest->target);
+            destParams->getString("Description", dest->description);
+            destParams->getNumber("Distance", dest->distance);
+            destinations->insert(destinations->end(), dest);
+        }
+
+        delete destValue;
+    }
+
+    return destinations;
+}

src/destination.h

@@ -0,0 +1,34 @@
+// destination.h
+//
+// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+
+#ifndef _DESTINATION_H_
+#define _DESTINATION_H_
+
+#include <string>
+#include <vector>
+#include <iostream>
+
+
+class Destination
+{
+ public:
+    Destination();
+
+ public:
+    std::string name;
+    std::string target;
+    double distance;
+    std::string description;
+};
+
+typedef std::vector<Destination*> DestinationList;
+
+DestinationList* ReadDestinationList(std::istream&);
+
+#endif // _DESTINATION_H_