added extract tool

hecl/driver/ToolExtract.hpp

@@ -0,0 +1,50 @@
+#ifndef CTOOL_EXTRACT
+#define CTOOL_EXTRACT
+
+#include "ToolBase.hpp"
+#include <stdio.h>
+
+class ToolExtract final : public ToolBase
+{
+public:
+    ToolExtract(const ToolPassInfo& info)
+    : ToolBase(info)
+    {
+    }
+
+    static void Help(HelpOutput& help)
+    {
+        help.secHead(_S("NAME"));
+        help.beginWrap();
+        help.wrap(_S("hecl-extract - Extract objects from supported package/image formats\n"));
+        help.endWrap();
+
+        help.secHead(_S("SYNOPSIS"));
+        help.beginWrap();
+        help.wrap(_S("hecl extract <packagefile>[/<subnode>...]\n"));
+        help.endWrap();
+
+        help.secHead(_S("DESCRIPTION"));
+        help.beginWrap();
+        help.wrap(_S("This command recursively extracts all or part of a dataspec-supported "
+                     "package format.\n\n"));
+        help.endWrap();
+
+        help.secHead(_S("OPTIONS"));
+        help.optionHead(_S("<packagefile>[/<subnode>...]"), _S("input file"));
+        help.beginWrap();
+        help.wrap(_S("Specifies the package file or disc image to source data from. "
+                     "An optional subnode specifies a named hierarchical-node specific "
+                     "to the game architecture (levels/areas)."));
+        help.endWrap();
+    }
+
+    HECL::SystemString toolName() const {return _S("extract");}
+
+    int run()
+    {
+        return 0;
+    }
+};
+
+#endif // CTOOL_EXTRACT