Initial commit. Harptool, some docs, and the initial logo attempt.

git-svn-id: http://www.cdkersey.com/harp/harptool@1 0246edb2-e076-4747-b392-db732a341fa2

src/include/archdef.h

@@ -0,0 +1,87 @@
+/*******************************************************************************
+ HARPtools by Chad D. Kersey, Summer 2011
+*******************************************************************************/
+#ifndef __ARCHDEF_H
+#define __ARCHDEF_H
+
+#include <string>
+#include <sstream>
+
+#include "types.h"
+
+namespace Harp {
+  class ArchDef {
+  public:
+    struct Undefined {};
+
+    ArchDef(const std::string &s) {
+      std::istringstream iss(s.c_str());
+      
+      iss >> wordSize;
+      if (!iss) { extent = EXT_NULL; return; }
+      iss >> encChar;
+      if (!iss) { extent = EXT_WORDSIZE; return; }
+      iss >> nRegs;
+      if (!iss) { extent = EXT_ENC; return; }
+      char sep;
+      iss >> sep >> nPRegs;
+      if (!iss || sep != '/') { extent = EXT_REGS; return; }
+      iss >> sep >> nThds;
+      if (!iss || sep != '/') { extent = EXT_PREGS; return; }
+      extent = EXT_THDS;
+    }
+
+    operator std::string () const {
+      if (extent == EXT_NULL) return "";
+
+      std::ostringstream oss;
+      if (extent >= EXT_WORDSIZE) oss << wordSize;
+      if (extent >= EXT_ENC     ) oss << encChar;
+      if (extent >= EXT_REGS    ) oss << nRegs;
+      if (extent >= EXT_PREGS   ) oss << '/' << nPRegs;
+      if (extent >= EXT_THDS    ) oss << '/' << nThds;
+
+      return oss.str();
+    }
+
+    bool operator==(const ArchDef &r) const {
+      return (extent == r.extent)   && (wordSize == r.wordSize) && 
+             (encChar == r.encChar) && (nRegs == r.nRegs) &&
+             (nPRegs == r.nPRegs)   && (nThds == r.nThds);
+    }
+
+    bool operator!=(const ArchDef &r) const { return !(*this == r); }
+
+    Size getWordSize() const { 
+      if (extent <  EXT_WORDSIZE) throw Undefined(); else return wordSize; 
+    }
+
+    char getEncChar() const {
+      if (extent<EXT_ENC||encChar=='x') throw Undefined(); else return encChar;
+    }
+
+    RegNum getNRegs() const {
+      if (extent < EXT_REGS) throw Undefined(); else return nRegs;
+    }
+
+    RegNum getNPRegs() const {
+      if (extent < EXT_PREGS) throw Undefined(); else return nPRegs;
+    }
+  
+    ThdNum getNThds() const {
+      if (extent < EXT_THDS) throw Undefined(); else return nThds;
+    }
+    
+  private:
+    enum { 
+      EXT_NULL, EXT_WORDSIZE, EXT_ENC, EXT_REGS, EXT_PREGS, EXT_THDS
+    } extent;
+
+    Size wordSize;
+    ThdNum nThds;
+    RegNum nRegs, nPRegs;
+    char encChar;
+  };
+};
+
+#endif