?? gmlpropertydefn.cpp
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/********************************************************************** * $Id: gmlpropertydefn.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project: GML Reader * Purpose: Implementation of GMLPropertyDefn * Author: Frank Warmerdam, warmerdam@pobox.com * ********************************************************************** * Copyright (c) 2002, Frank Warmerdam * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ****************************************************************************/#include "gmlreader.h"#include "cpl_conv.h"/************************************************************************//* GMLPropertyDefn *//************************************************************************/GMLPropertyDefn::GMLPropertyDefn( const char *pszName, const char *pszSrcElement ){ m_pszName = CPLStrdup( pszName ); if( pszSrcElement != NULL ) m_pszSrcElement = CPLStrdup( pszSrcElement ); else m_pszSrcElement = NULL; m_eType = GMLPT_Untyped; m_nWidth = 0; }/************************************************************************//* ~GMLPropertyDefn() *//************************************************************************/GMLPropertyDefn::~GMLPropertyDefn(){ CPLFree( m_pszName ); CPLFree( m_pszSrcElement );}/************************************************************************//* SetSrcElement() *//************************************************************************/void GMLPropertyDefn::SetSrcElement( const char *pszSrcElement ){ CPLFree( m_pszSrcElement ); if( pszSrcElement != NULL ) m_pszSrcElement = CPLStrdup( pszSrcElement ); else m_pszSrcElement = NULL;}/************************************************************************//* AnalysePropertyValue() *//* *//* Examine the passed property value, and see if we need to *//* make the field type more specific, or more general. *//************************************************************************/void GMLPropertyDefn::AnalysePropertyValue( const char *pszValue ){/* -------------------------------------------------------------------- *//* We can't get more general than string, so at this point just *//* give up on changing. *//* -------------------------------------------------------------------- */ if( m_eType == GMLPT_String ) { /* grow the Width to the length of the string passed in */ int nWidth; nWidth = strlen(pszValue); if ( m_nWidth < nWidth ) SetWidth( nWidth ); return; }/* -------------------------------------------------------------------- *//* If it is a zero length string, just return. We can't deduce *//* much from this. *//* -------------------------------------------------------------------- */ if( *pszValue == '\0' ) return;/* -------------------------------------------------------------------- *//* Does the string consist entirely of numeric values? *//* -------------------------------------------------------------------- */ int bIsReal = FALSE; for(; *pszValue != '\0'; pszValue++ ) { if( isdigit( *pszValue) || *pszValue == '-' || *pszValue == '+' || isspace( *pszValue ) ) /* do nothing */; else if( *pszValue == '.' || *pszValue == 'D' || *pszValue == 'd' || *pszValue == 'E' || *pszValue == 'e' ) bIsReal = TRUE; else { m_eType = GMLPT_String; return; } } if( m_eType == GMLPT_Untyped || m_eType == GMLPT_Integer ) { if( bIsReal ) m_eType = GMLPT_Real; else m_eType = GMLPT_Integer; }}
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