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rangeDescription.h
00001 // Filename: rangeDescription.h
00002 // Created by:  drose (07Sep03)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef RANGEDESCRIPTION_H
00016 #define RANGEDESCRIPTION_H
00017 
00018 #include "pandatoolbase.h"
00019 #include "pvector.h"
00020 
00021 ////////////////////////////////////////////////////////////////////
00022 //       Class : RangeDescription
00023 // Description : This describes a sparse range of Unicode character
00024 //               codes for conversion that may be specified on the
00025 //               command line.
00026 ////////////////////////////////////////////////////////////////////
00027 class RangeDescription {
00028 public:
00029   RangeDescription();
00030 
00031   bool parse_parameter(const string &param);
00032   INLINE void add_singleton(int code);
00033   INLINE void add_range(int from_code, int to_code);
00034   INLINE bool is_empty() const;
00035 
00036   void output(ostream &out) const;
00037 
00038 private:
00039   bool parse_word(const string &word);
00040   bool parse_code(const string &word, int &code);
00041   bool parse_bracket(const string &str);
00042 
00043 private:
00044   class Range {
00045   public:
00046     INLINE Range(int code);
00047     INLINE Range(int from_code, int to_code);
00048 
00049     int _from_code;
00050     int _to_code;
00051   };
00052 
00053   typedef pvector<Range> RangeList;
00054   RangeList _range_list;
00055 
00056   friend class RangeIterator;
00057 };
00058 
00059 INLINE ostream &operator << (ostream &out, const RangeDescription &range);
00060 
00061 #include "rangeDescription.I"
00062 
00063 #endif
00064 
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