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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_FIELD
#define OSGDB_FIELD 1
#include <osgDB/Export>
#include <string>
namespace osgDB {
class OSGDB_EXPORT Field
{
public:
enum {
MIN_CACHE_SIZE = 256
};
Field();
Field(const Field& field);
virtual ~Field();
virtual Field& operator = (const Field& ic);
void reset();
void addChar(char c);
int getNoCharacters() const { return _fieldCacheSize; }
void setWithinQuotes(bool withinQuotes=true);
bool getWithinQuotes();
void setNoNestedBrackets(int no);
int getNoNestedBrackets();
enum FieldType
{
OPEN_BRACKET,
CLOSE_BRACKET,
STRING,
WORD,
REAL,
INTEGER,
BLANK,
UNINITIALISED
};
FieldType getFieldType() const;
bool isValid() const;
bool isOpenBracket() const;
bool isCloseBracket() const;
bool isWord() const;
bool matchWord(const char* str) const;
bool matchWord(const char* str,int noCharacters) const;
bool isString() const;
bool matchString(const char* str) const;
bool matchString(const char* str,int noCharacters) const;
bool isQuotedString() const;
const char* getStr() const;
char* takeStr();
bool isInt() const;
bool matchInt(int i) const;
bool getInt(int& i) const;
bool isUInt() const;
bool matchUInt(unsigned int i) const;
bool getUInt(unsigned int& i) const;
bool isFloat() const;
bool matchFloat(float f) const;
bool getFloat(float& f) const;
bool getFloat(double& f) const;
static FieldType calculateFieldType(const char* str,bool withinQuotes=false);
protected:
void _init();
void _free();
void _copy(const Field& ic);
int _fieldCacheCapacity;
int _fieldCacheSize;
char* _fieldCache;
mutable FieldType _fieldType;
bool _withinQuotes;
int _noNestedBrackets;
};
}
#endif // __SG_FIELD_H
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