2001-10-04 23:12:57 +08:00
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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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2001-09-20 05:08:56 +08:00
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#ifndef OSGDB_FIELD
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#define OSGDB_FIELD 1
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#include <osg/Types>
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#include <osgDB/Export>
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#include <string>
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#include <stdlib.h>
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namespace osgDB {
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class OSGDB_EXPORT Field
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{
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public:
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enum {
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MIN_CACHE_SIZE = 256
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};
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Field();
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Field(const Field& field);
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virtual ~Field();
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virtual Field& operator = (const Field& ic);
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void reset();
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void addChar(char c);
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int getNoCharacters() const { return _fieldCacheSize; }
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void setWithinQuotes(bool withinQuotes=true);
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bool getWithinQuotes();
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void setNoNestedBrackets(int no);
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int getNoNestedBrackets();
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enum FieldType
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{
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OPEN_BRACKET,
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CLOSE_BRACKET,
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STRING,
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WORD,
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REAL,
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INTEGER,
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BLANK,
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UNINTIALISED
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};
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FieldType getFieldType() const;
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bool isValid() const;
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bool isOpenBracket() const;
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bool isCloseBracket() const;
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bool isWord() const;
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bool matchWord(const char* str) const;
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bool matchWord(const char* str,int noCharacters) const;
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bool isString() const;
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bool matchString(const char* str) const;
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bool matchString(const char* str,int noCharacters) const;
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bool isQuotedString() const;
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const char* getStr() const;
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char* takeStr();
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bool isInt() const;
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bool matchInt(int i) const;
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bool getInt(int& i) const;
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bool isUInt() const;
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bool matchUInt(osg::uint i) const;
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bool getUInt(osg::uint& i) const;
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bool isFloat() const;
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bool matchFloat(float f) const;
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bool getFloat(float& f) const;
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bool isDouble() const;
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bool matchDouble(double f) const;
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bool getDouble(double& d) const;
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static FieldType calculateFieldType(const char* str,bool withinQuotes=false);
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protected:
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void _init();
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void _free();
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void _copy(const Field& ic);
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int _fieldCacheCapacity;
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int _fieldCacheSize;
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char* _fieldCache;
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mutable FieldType _fieldType;
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bool _withinQuotes;
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int _noNestedBrackets;
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};
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};
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#endif // __SG_FIELD_H
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