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osg::StandardStringConversionState

osg::StandardStringConversionState Class Reference
[StringConversion]

#include <OSGStandardStringConversionState.h>

Inheritance diagram for osg::StandardStringConversionState:

osg::StringConversionStateBase List of all members.

Public Member Functions

Constructors
* StandardStringConversionState (UInt32 indent=DefaultIndent, UInt32 width=DefaultWidth)
Destructor
*virtual ~StandardStringConversionState (void)
Get
*UInt32 getIndent (void) const
UInt32 getWidth (void) const
Set
*void setIndent (UInt32 newIndent)
void setWidth (UInt32 newWidth)
Handle Fields
*virtual std::string & beginField (const Field *pF, std::string &outStr)
virtual std::string & addValueStr (std::string &value, std::string &outStr)
virtual std::string & endField (const Field *pF, std::string &outStr)

Static Public Attributes

Constants
*static const UInt32 DefaultIndent = 0
static const UInt32 DefaultWidth = 80

Protected Types

typedef StringConversionStateBase Inherited

Protected Attributes

Member
*Indenter _indent
UInt32 _width
UInt32 _lineLength
bool _noLineBreakHint
bool _multiFieldHint
std::string _mfSeparator
UInt32 _mfSepLength
UInt32 _lastMFSepStart

Private Member Functions

 StandardStringConversionState (const StandardStringConversionState &source)
 prohibit default function (move to 'public' if needed)
StandardStringConversionState & operator= (const StandardStringConversionState &source)
 prohibit default function (move to 'public' if needed)

Detailed Description

Definition at line 63 of file OSGStandardStringConversionState.h.

Member Typedef Documentation

typedef StringConversionStateBase osg::StandardStringConversionState::Inherited [protected]
 

Definition at line 126 of file OSGStandardStringConversionState.h.

Constructor & Destructor Documentation

StandardStringConversionState::StandardStringConversionState (  UInt32  indent = DefaultIndent,
UInt32  width = DefaultWidth
) 
 

Definition at line 62 of file OSGStandardStringConversionState.cpp.

00063                                                                              :
00064      Inherited      (      ),
00065 
00066     _indent         (indent),
00067     _width          (width ), 
00068     
00069     _lineLength     (     0),
00070     _noLineBreakHint(false ), 
00071     _multiFieldHint (false ), 
00072     _mfSeparator    (", "  ),
00073     _mfSepLength    (     2),
00074     _lastMFSepStart (      0)
00075 {
00076 }

StandardStringConversionState::~StandardStringConversionState (  void   )  [virtual]
 

Definition at line 81 of file OSGStandardStringConversionState.cpp.

00082 {
00083 }

osg::StandardStringConversionState::StandardStringConversionState (  const StandardStringConversionState &  source  )  [private]
 

Member Function Documentation

UInt32 osg::StandardStringConversionState::getIndent (  void   )  const [inline]
 

Definition at line 48 of file OSGStandardStringConversionState.inl.

References _indent, and osg::Indenter::getIndent().

00049 {
00050     return _indent.getIndent();
00051 }

UInt32 osg::StandardStringConversionState::getWidth (  void   )  const [inline]
 

Definition at line 54 of file OSGStandardStringConversionState.inl.

References _width.

00055 {
00056     return _width;
00057 }

void osg::StandardStringConversionState::setIndent (  UInt32  newIndent  )  [inline]
 

Definition at line 60 of file OSGStandardStringConversionState.inl.

References _indent, and osg::Indenter::setIndent().

Referenced by osg::OSGWriter::writeField().

00061 {
00062     _indent.setIndent(newIndent);
00063 }

void osg::StandardStringConversionState::setWidth (  UInt32  newWidth  )  [inline]
 

Definition at line 66 of file OSGStandardStringConversionState.inl.

References _width.

Referenced by osg::OSGWriter::writeField().

00067 {
00068     _width = newWidth;
00069 }

std::string & StandardStringConversionState::beginField (  const Field *  pF,
std::string &  outStr
)  [virtual]
 

beginField. StandardStringConversionState adds _indent many spaces before the values of a field.

Implements osg::StringConversionStateBase.

Definition at line 93 of file OSGStandardStringConversionState.cpp.

References _indent, _lastMFSepStart, _lineLength, _multiFieldHint, _noLineBreakHint, osg::Field::getCardinality(), osg::TypeBase::getCName(), osg::Field::getContentType(), osg::FieldType::MULTI_FIELD, and osg::Indenter::str().

00096 {
00097     _lineLength     = 0;
00098     _lastMFSepStart = 0;
00099 
00100     if(pF->getCardinality() == FieldType::MULTI_FIELD)
00101     {
00102         _multiFieldHint = true;
00103     }
00104     else
00105     {
00106         _multiFieldHint = false;
00107     }
00108 
00109     if(strstr(pF->getContentType().getCName(), "String") != NULL)
00110     {
00111         _noLineBreakHint = true;
00112     }
00113     else
00114     {
00115         _noLineBreakHint = false;
00116     }
00117 
00118     outStr.append(_indent.str());
00119     return outStr;
00120 }

std::string & StandardStringConversionState::addValueStr (  std::string &  value,
std::string &  outStr
)  [virtual]
 

addValueStr. StandardStringConversionState formats fields with indention and a limitation on the width of the rows.

Implements osg::StringConversionStateBase.

Definition at line 126 of file OSGStandardStringConversionState.cpp.

References _indent, _lastMFSepStart, _lineLength, _mfSeparator, _mfSepLength, _multiFieldHint, _noLineBreakHint, _width, osg::StringTokenizer::getNext(), osg::StringTokenizer::hasNext(), and osg::Indenter::str().

00128 {
00129     UInt32 valLength = value.length();
00130 
00131     if(_noLineBreakHint)
00132     {
00133         if(_lineLength+valLength > _width)
00134         {
00135             outStr.append("\n");
00136             _lineLength = 0;
00137             outStr.append(_indent.str());
00138         }
00139         
00140         outStr.append(value);
00141         _lineLength += valLength;
00142     }
00143     else
00144     {
00145         StringTokenizer tokens(value);
00146         std::string     token;
00147 
00148         bool first = true;
00149 
00150         while(tokens.hasNext() == true)
00151         {
00152                         token       = tokens.getNext();
00153             UInt32      tokenLength = token.length();
00154 
00155             if(_lineLength + tokenLength > _width)
00156             {
00157                 outStr.append("\n");
00158                 _lineLength = 0;
00159                 outStr.append(_indent.str());
00160                 first = true; 
00161             }
00162 
00163             if(first == true)
00164             {
00165                 first = false;
00166             }
00167             else
00168             {
00169                 outStr.append(" ");
00170             }
00171 
00172             outStr.append(token);
00173 
00174             _lineLength += tokenLength+1;
00175         }
00176      }
00177     
00178     if(_multiFieldHint == true)
00179     {
00180         _lastMFSepStart = outStr.length();
00181         outStr.append(_mfSeparator);
00182         _lineLength += _mfSepLength;
00183     }
00184 
00185     return outStr;
00186 }

std::string & StandardStringConversionState::endField (  const Field *  pF,
std::string &  outStr
)  [virtual]
 

endField. StandardStringConversionState removes the last MultiField- Separator-String appended to outStr.

Implements osg::StringConversionStateBase.

Definition at line 193 of file OSGStandardStringConversionState.cpp.

References _lastMFSepStart, _mfSepLength, and _multiFieldHint.

00196 {
00197     if(_multiFieldHint == true)
00198     {
00199         outStr = outStr.erase(_lastMFSepStart, _mfSepLength);
00200     }
00201 
00202     return outStr;
00203 }

StandardStringConversionState& osg::StandardStringConversionState::operator= (  const StandardStringConversionState &  source  )  [private]
 

Member Data Documentation

* static const UInt32 osg::StandardStringConversionState::DefaultIndent = 0 [static]
 

Definition at line 75 of file OSGStandardStringConversionState.h.

const UInt32 osg::StandardStringConversionState::DefaultWidth = 80 [static]
 

Definition at line 76 of file OSGStandardStringConversionState.h.

* Indenter osg::StandardStringConversionState::_indent [protected]
 

Definition at line 132 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), beginField(), getIndent(), and setIndent().

UInt32 osg::StandardStringConversionState::_width [protected]
 

Definition at line 133 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), getWidth(), and setWidth().

UInt32 osg::StandardStringConversionState::_lineLength [protected]
 

Definition at line 135 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), and beginField().

bool osg::StandardStringConversionState::_noLineBreakHint [protected]
 

Definition at line 137 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), and beginField().

bool osg::StandardStringConversionState::_multiFieldHint [protected]
 

Definition at line 138 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), beginField(), and endField().

std::string osg::StandardStringConversionState::_mfSeparator [protected]
 

Definition at line 140 of file OSGStandardStringConversionState.h.

Referenced by addValueStr().

UInt32 osg::StandardStringConversionState::_mfSepLength [protected]
 

Definition at line 141 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), and endField().

UInt32 osg::StandardStringConversionState::_lastMFSepStart [protected]
 

Definition at line 142 of file OSGStandardStringConversionState.h.

Referenced by addValueStr(), beginField(), and endField().

The documentation for this class was generated from the following files:
Generated on Thu Aug 25 04:12:58 2005 for OpenSG by  doxygen 1.4.3