TeAsciiFile Class Reference

#include <TeAsciiFile.h>

Inheritance diagram for TeAsciiFile:

---

Detailed Description

Simple wrapper around a stdio file. Clientes are all the functions that imports from ASCII files.

See also:

TeStdFile, TeSPRFile

Definition at line 47 of file TeAsciiFile.h.

Public Member Functions
FILE *	FilePtr ()
void	findNewLine ()
	Goes to a new line.
bool	isNotAtEOF ()
	Return true if the file pointer is not at the end of file.
string	name ()
	operator FILE * ()
string	readAll ()
	Reads the entire content of the file, skipping new line characters only.
double	readAngle (const std::string &value)
TeBox	readBox ()
	Reads a bounding box.
char	readChar ()
	Reads a character.
TeCoord2D	readCoord2D ()
	Reads a 2D coordinate ( x, y ).
bool	readCoordPairVect2CSV (TeCoordPairVect &coordsVec)
double	readFloat ()
	Reads a float.
double	readFloatCSV (const char del= ',')
	Reads a comma-separated float.
std::string	readFont ()
int	readInt ()
	Reads an integer.
int	readIntCSV (const char del= ',')
	Reads a comma-separated int.
string	readLine ()
	Reads a full line up to carriage return.
void	readNStringCSV (vector< string > &, unsigned int n, const char sep= ',')
	Reads the first n strings from a comma separated line string and put in a string list.
char	readQuotedChar ()
	Reads a character whithin quotes.
string	readQuotedString ()
	Reads a string whithin quotes.
string	readString ()
	Reads a string.
string	readStringCSV (const char sep= ',', bool skip=false, const char skip_char= ' ')
	Reads a comma-separated string ( with a skip character ).
string	readStringCSVNoQuote (const char del= ',')
	Reads a comma-separated string (ignore quote ).
string	readStringCSVNoSpace (const char del= ',')
	Reads a comma-separated string(ignore spaces).
void	readStringList (vector< string > &)
	Reads a line and put in a stringlist.
void	readStringListCSV (vector< string > &, const char sep= ',')
	Reads a comma-separated line string and put in a string list.
void	rewind ()
	TeAsciiFile (const string &name, const char *mode="r")
	Contructors.
bool	writeCoordPairVect2CSV (const TeCoordPairVect &coordsVec)
void	writeNewLine ()
	Writes a carriage return character.
void	writeString (const string &s)
	Writes a generic string to the file.
virtual	~TeAsciiFile ()
	Destructor.
Protected Attributes
FILE *	file_
string	fileName_
string	mode_
Private Member Functions
TeAsciiFile &	operator= (const TeAsciiFile &)
	TeAsciiFile (const TeAsciiFile &)

---

Constructor & Destructor Documentation

TeAsciiFile::TeAsciiFile	(	const string &	name,
		const char *	mode = "r"
	)

Definition at line 36 of file TeAsciiFile.cpp.

                                                               :        
        TeStdFile ( name, mode  ) 
{
}  

TeAsciiFile::~TeAsciiFile

(

)

[virtual]

Definition at line 41 of file TeAsciiFile.cpp.

{       
}  

TeAsciiFile::TeAsciiFile

(

const TeAsciiFile &

)

[private]

---

Member Function Documentation

FILE* TeStdFile::FilePtr

(

)

[inline, inherited]

Definition at line 63 of file TeStdFile.h.

Referenced by TeDecoderSPR::saveData(), and TeDecoderASCIIGrid::saveData().

{ return file_; }

void TeAsciiFile::findNewLine

(

)

Definition at line 46 of file TeAsciiFile.cpp.

References TeStdFile::file_.

Referenced by TeAddressLocator::loadDictionary(), main(), readContoursFromSPRFile(), TeDecoderSPR::readFile(), TeDecoderASCIIGrid::readFile(), TeDecoderSPR::readParameters(), TeDecoderASCIIGrid::readParameters(), TeRasterParams::readParametersFile(), readSamplesFromSPRFile(), TeImportSPR(), TeMIFOthersDecode(), TeMIFTransformDecode(), TeReadBNAObjects(), TeReadColorRampTextFile(), TeReadCSVFile(), TeReadGeoAttributeList(), TeReadMIFAttributeList(), and TeReadMIFAttributes().

{
        if ( feof ( file_ ) != 0 )
                return;
        char ch = '0';

        while ( ch != '\n' )
        {
                fscanf ( file_, "%c", &ch );
                if ( feof ( file_ ) != 0 )
                        return;
        }
}

bool TeStdFile::isNotAtEOF

(

)

[inline, inherited]

Definition at line 48 of file TeStdFile.h.

Referenced by TeAddressLocator::loadDictionary(), main(), readContoursFromSPRFile(), TeDecoderSPR::readFile(), TeDecoderASCIIGrid::readFile(), TeDecoderSPR::readParameters(), TeDecoderASCIIGrid::readParameters(), TeRasterParams::readParametersFile(), readSamplesFromSPRFile(), TeImportSPR(), TeReadBNAAttributeList(), TeReadBNAObjects(), TeReadCSVFile(), TeReadGeoAttributeList(), TeReadMIFAttributeList(), TeReadMIFAttributes(), and TeReadMIFProjection().

        { 
                if ( feof ( file_ ) != 0  )
                        return false;
                return true;
        }

string TeStdFile::name

(

)

[inline, inherited]

Definition at line 56 of file TeStdFile.h.

Referenced by readAll(), readBox(), readCoord2D(), readFloat(), readInt(), readLine(), readNStringCSV(), readString(), readStringCSV(), readStringListCSV(), TeExportQuerierToSPRING(), and TeSPRFile::writeAttributeInfo().

        { return fileName_; }

TeStdFile::operator FILE *

(

)

[inline, inherited]

Definition at line 60 of file TeStdFile.h.

{ return file_; }

TeAsciiFile& TeAsciiFile::operator=

(

const TeAsciiFile &

)

[private]

string TeAsciiFile::readAll

(

)

Definition at line 354 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by TeShapefileDriver::getDataProjection().

{
        require ( file_ != 0 );
        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        char ch = '0';
        string text="";
        int ret;
        while ((ret=fscanf ( file_, "%c", &ch )) != EOF)
        {
                if (ch != '\n') 
                        text = text + ch;
        }
        return text;
}

double TeAsciiFile::readAngle

(

const std::string &

value

)

Read Angle

Method to return the angle of a mid/mif file when it has a text representation

Returns:

returns the text angle

Definition at line 434 of file TeAsciiFile.cpp.

References TeStdFile::file_, readString(), and TeStringCompare().

{       
        double                  angle=0;
        std::string             textRead;

        if ( feof ( file_ ) != 0 ) return 0;

        if(TeStringCompare(value,"Angle"))
                 fscanf(file_,"%lf",&angle);
        else
        {
                textRead=this->readString();
                if(TeStringCompare(textRead,"Angle"))   fscanf(file_,"%lf",&angle);
        }
        return angle;
}

TeBox TeAsciiFile::readBox

(

)

Definition at line 336 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

{
        require ( file_ != 0 );

        if ( feof ( file_ ) != 0 )
        {
                throw TeException ( END_OF_FILE_REACHED, name(), true );
        }
        double x1, y1, x2, y2;


        fscanf ( file_, "%lf %lf %lf %lf", &x1, &y1, &x2, &y2 );

return TeBox ( x1, y1, x2, y2 );

}

char TeAsciiFile::readChar

(

)

Definition at line 79 of file TeAsciiFile.cpp.

References TeStdFile::file_, and require.

{
        char ch=' ';
        require ( feof ( file_ ) == 0 );
        while ( ch == ' ' )
        {
                fscanf ( file_, "%c", &ch );
        }
        return ch;
}

TeCoord2D TeAsciiFile::readCoord2D

(

)

Definition at line 322 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by TeImportSPR().

{
        require ( file_ != 0 );

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        double x, y;
        fscanf ( file_, "%lf %lf", &x, &y);

return TeCoord2D( x,  y );
}

bool TeAsciiFile::readCoordPairVect2CSV

(

TeCoordPairVect &

coordsVec

)

Read a vector os coordinates pairs using the CSV file format (one line per coordinate pair).

Parameters:

coordsVec

The input coordinate pairs vector.

Returns:

true if ok, false on errors.

Definition at line 395 of file TeAsciiFile.cpp.

References TeStdFile::file_, TeCoordPair::pt1, TeCoordPair::pt2, TeCoord2D::x_, and TeCoord2D::y_.

Referenced by TeAffineGT_RANSAC_remotion_test2().

{
  coordsVec.clear();
  
  if( file_ )
  {    
    TeCoordPair auxPair;
    
    while( fscanf( file_, "%lf;%lf;%lf;%lf", &auxPair.pt1.x_, &auxPair.pt1.y_, 
      &auxPair.pt2.x_, &auxPair.pt2.y_ ) == 4 )
    {
      coordsVec.push_back( auxPair );
    }
    
    return true;
  }
  else
  {
    return false;
  }
}

double TeAsciiFile::readFloat

(

)

Definition at line 308 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by TeDecoderASCIIGrid::readFile(), TeDecoderSPR::readParameters(), and TeDecoderASCIIGrid::readParameters().

{
        require ( file_ != 0 );

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );
        
        double value;
        fscanf ( file_, "%lf", &value );

return value;
}

double TeAsciiFile::readFloatCSV

(

const char

del = ','

)

Definition at line 298 of file TeAsciiFile.cpp.

References readStringCSV().

Referenced by TeImportSPR(), and TeMIFTransformDecode().

{
        char blank = ' ';
        string line = readStringCSV ( del, true, blank );

return atof(line.c_str());
}

std::string TeAsciiFile::readFont

(

)

Read a font name

Methodo to read a font name to text geometry

Definition at line 419 of file TeAsciiFile.cpp.

References TeStdFile::file_, readString(), and TeStringCompare().

{
        std::string  textRead;

        if ( feof ( file_ ) != 0 ) return textRead;

        textRead=this->readString();
        if(TeStringCompare(textRead,"Font"))
        {
                textRead=this->readString();
                return textRead;
        }
        return textRead;
}

int TeAsciiFile::readInt

(

)

Definition at line 275 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by TeDecoderSPR::readParameters(), TeDecoderASCIIGrid::readParameters(), TeImportSPR(), TeReadColorRampTextFile(), and TeReadMIFAttributeList().

{
        require ( file_ != 0 );

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );
        
        int value;
        fscanf ( file_, "%d", &value );

return value;
}

int TeAsciiFile::readIntCSV

(

const char

del = ','

)

Definition at line 289 of file TeAsciiFile.cpp.

References readStringCSV().

Referenced by TeReadGeoAttributeList(), and TeReadMIFAttributeList().

{
        char blank  = ' ';
        string line = readStringCSV ( del, true, blank );

return atoi(line.c_str());
}

string TeAsciiFile::readLine

(

)

Definition at line 111 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by TeImportSPR(), and TeReadColorRampTextFile().

{
        require ( file_ != 0 );
        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        char ch = '0';
        string text = "";
        int ret = fscanf( file_, "%c", &ch );
        while(ret != EOF && ch != '\n')
        {
                text = text + ch;
                ret = fscanf( file_, "%c", &ch );
        } 

        return text;
}

void TeAsciiFile::readNStringCSV	(	vector< string > &	strlist,
		unsigned int	n,
		const char	sep = ','
	)

Definition at line 195 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and readStringCSV().

Referenced by main().

{

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        strlist.clear();
        char ch, lastChr = 0;
        while (fscanf ( file_, "%c", &ch ) !=  EOF )
        {
                if ( ch == '\n' || ch == '\r') 
                { 
                        if(lastChr==sep)
                                strlist.push_back ( "" );

                        ungetc ( ch, file_ );
                        return;
                }
                ungetc ( ch, file_ );
                // there are still more values to be read
                string name = readStringCSV (sep);
                if ( name.size() !=  0 || sep != ' ')
                        strlist.push_back ( name );
                if (strlist.size() == n)
                        break;
                
                lastChr = ch;
        }
}

char TeAsciiFile::readQuotedChar

(

)

Definition at line 61 of file TeAsciiFile.cpp.

References ensure, TeStdFile::file_, and require.

{
        require ( feof ( file_ ) == 0 );

        char ch = ',', ch2;

        while ( ch != '"' )
        {
                fscanf ( file_, "%c", &ch );
        }
        fscanf ( file_, "%c", &ch );
        fscanf ( file_, "%c", &ch2 );

        ensure ( ch2 == '"' ); // just to make sure
return ch;
}

string TeAsciiFile::readQuotedString

(

)

Definition at line 130 of file TeAsciiFile.cpp.

References TeStdFile::file_, and require.

{
        require ( feof ( file_ ) == 0 );

        char ch = ' ';

        string quote;

        while ( ch != '"' )
        {
                fscanf ( file_, "%c", &ch );
        }

        while ( true )
        {
                fscanf ( file_, "%c", &ch );
                if ( ch == '\n' || ch == '\r') 
                {
                        ungetc ( ch, file_ );
                        break;
                }
                if ( ch == '"'  ) break;

                quote = quote + ch;
        }
return quote;
}

string TeAsciiFile::readString

(

)

Definition at line 92 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and TeNAME_LENGTH.

Referenced by readAngle(), readContoursFromSPRFile(), TeDecoderSPR::readFile(), TeDecoderASCIIGrid::readFile(), readFont(), TeDecoderSPR::readParameters(), TeDecoderASCIIGrid::readParameters(), TeRasterParams::readParametersFile(), readSamplesFromSPRFile(), TeImportSPR(), TeReadGeoAttributeList(), TeReadMIFAttributeList(), and TeReadMIFProjection().

{
        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        char input [TeNAME_LENGTH];
        input[0]=0;
        fscanf ( file_, "%s", input );

return input;
}

string TeAsciiFile::readStringCSV	(	const char	sep = ',',
		bool	skip = false,
		const char	skip_char = ' '
	)

Definition at line 226 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and require.

Referenced by readFloatCSV(), readIntCSV(), readNStringCSV(), readStringCSVNoQuote(), readStringCSVNoSpace(), readStringListCSV(), and TeImportSPR().

{
        require ( file_ != 0 );

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        char ch = '0';
        string line;
        bool inQuotes = false;

        int ret;
        while ( (ret=fscanf ( file_, "%c", &ch )) != EOF)
        {
                if ( ch == '\n' || ch == '\r') 
                {
                        ungetc ( ch, file_ );
                        break;
                }
                if ( ch == del  && !inQuotes ) break;
                if (skip)
                        if (ch == skip_char) 
                        {
                                if (skip_char == '"')
                                        inQuotes = !inQuotes;
                                continue;
                        }
                line = line + ch;
        }
        return line;
}

string TeAsciiFile::readStringCSVNoQuote

(

const char

del = ','

)

Definition at line 267 of file TeAsciiFile.cpp.

References readStringCSV().

Referenced by TeReadBNAObjects(), and TeReadMIFAttributes().

{
        char quote = '"';
        string line = readStringCSV ( del, true, quote );
return line;
}

string TeAsciiFile::readStringCSVNoSpace

(

const char

del = ','

)

Definition at line 259 of file TeAsciiFile.cpp.

References readStringCSV().

Referenced by TeReadGeoAttributeList(), and TeReadMIFAttributeList().

{
        char blank = ' ';
        string line = readStringCSV ( del, true, blank );
return line;
}

void TeAsciiFile::readStringList

(

vector< string > &

strlist

)

Definition at line 159 of file TeAsciiFile.cpp.

References TeStdFile::file_, readStringListCSV(), and require.

Referenced by TeDecoderSPR::readParameters().

{
        require ( file_ != 0 );

        this->readStringListCSV ( strlist, ' ');
}

void TeAsciiFile::readStringListCSV	(	vector< string > &	strlist,
		const char	sep = ','
	)

Definition at line 167 of file TeAsciiFile.cpp.

References END_OF_FILE_REACHED, TeStdFile::file_, TeStdFile::name(), and readStringCSV().

Referenced by TeAddressLocator::loadDictionary(), readStringList(), TeReadBNAAttributeList(), TeReadCSVFile(), and TeReadMIFProjection().

{

        if ( feof ( file_ ) != 0 )
                throw TeException ( END_OF_FILE_REACHED, name(), true );

        char ch, lastChr = 0;
        while (fscanf ( file_, "%c", &ch ) !=  EOF )
        {
                if ( ch == '\n' || ch == '\r') 
                { 
                        if(lastChr==sep)
                                strlist.push_back ( "" );

                        ungetc ( ch, file_ );
                        return;
                }
                ungetc ( ch, file_ );
                // there are still more values to be read
                string name = readStringCSV (sep);
                if ( name.size() !=  0 || sep != ' ')
                        strlist.push_back ( name );
                
                lastChr = ch;
        }
}

void TeStdFile::rewind

(

)

[inherited]

Definition at line 57 of file TeStdFile.cpp.

References TeStdFile::file_, and fseek().

Referenced by TeReadCSVFile().

{
        if (file_)
                fseek(file_,0,0);
}

bool TeAsciiFile::writeCoordPairVect2CSV

(

const TeCoordPairVect &

coordsVec

)

Write a vector os coordinates pairs using the CSV file format (one line per coordinate pair).

Parameters:

coordsVec

The input coordinate pairs vector.

Returns:

true if ok, false on errors.

Note:

15 digits precision

Definition at line 371 of file TeAsciiFile.cpp.

References TeStdFile::file_.

{
  if( file_ )
  {    
    for( TeCoordPairVect::size_type idx = 0 ; idx < coordsVec.size() ; ++idx )
    {
      if( fprintf( file_, "%.15f;%.15f;%.15f;%.15f\n", 
        coordsVec[ idx ].pt1.x_, coordsVec[ idx ].pt1.y_, 
        coordsVec[ idx ].pt2.x_, coordsVec[ idx ].pt2.y_ ) <
        1 )
      {
        return false;
      }
    }
    
    return true;
  }
  else
  {
    return false;
  }
}

void TeAsciiFile::writeNewLine

(

)

[inline]

Definition at line 58 of file TeAsciiFile.h.

Referenced by TeErrorLog::endSession(), TeErrorLog::insert(), TeDecoderSPR::saveData(), TeDecoderASCIIGrid::saveData(), TeExportMIFAttributeList(), TeExportMIFRow(), TeExportQuerierToCSV(), TeExportQuerierToMIF(), TeExportQuerierToSPRING(), TeGeoOpAggregation(), TeGeoOpAssignDataLocationDistribute(), TeGeoOpBuffer(), TeGeoOpOverlayDifference(), TeGeoOpOverlayIntersection(), TeGeoOpOverlayUnion(), and TeRasterParams::writeParametersFile().

        { fprintf ( file_, "\n" ); } 

void TeAsciiFile::writeString

(

const string &

s

)

Definition at line 105 of file TeAsciiFile.cpp.

References TeStdFile::file_.

Referenced by TeErrorLog::endSession(), TeDecoderJPEG::init(), TeErrorLog::insert(), TeDecoderSPR::saveData(), TeExportMIFAttributeList(), TeExportMIFCellSet(), TeExportMIFLineSet(), TeExportMIFPointSet(), TeExportMIFPolygonSet(), TeExportMIFProjection(), TeExportMIFRow(), TeExportQuerierToCSV(), TeExportQuerierToMIF(), TeExportQuerierToSPRING(), TeGeoOpAggregation(), TeGeoOpAssignDataLocationDistribute(), TeGeoOpBuffer(), TeGeoOpOverlayDifference(), TeGeoOpOverlayIntersection(), TeGeoOpOverlayUnion(), TeDecoderSPR::writeParameters(), TeDecoderASCIIGrid::writeParameters(), and TeRasterParams::writeParametersFile().

{
        fprintf ( file_, "%s", s.c_str() );
}

---

Field Documentation

FILE* TeStdFile::file_ [protected, inherited]

Definition at line 71 of file TeStdFile.h.

Referenced by findNewLine(), readAll(), readAngle(), readBox(), readChar(), readCoord2D(), readCoordPairVect2CSV(), readFloat(), readFont(), readInt(), readLine(), readNStringCSV(), readQuotedChar(), readQuotedString(), readString(), readStringCSV(), readStringList(), readStringListCSV(), TeStdFile::rewind(), TeStdFile::TeStdFile(), TeSPRFile::writeArcHeader(), TeSPRFile::writeAttributeInfo(), TeSPRFile::writeBox(), TeSPRFile::writeCadastralLabel(), writeCoordPairVect2CSV(), TeSPRFile::writeIntParameterInfo(), TeSPRFile::writeLabelHeader(), TeSPRFile::writeLinesHeader(), TeSPRFile::writeNetworkHeader(), TeSPRFile::writeNetworkLabel(), TeSPRFile::writePointsHeader(), TeSPRFile::writeProjection(), TeSPRFile::writeRealParameterInfo(), TeSPRFile::writeSample(), TeSPRFile::writeSampleHeader(), writeString(), TeSPRFile::writeTableHeader(), TeSPRFile::writeTextParameterInfo(), TeSPRFile::writeThematicLabel(), TeSPRFile::writeThematicPoint(), and TeStdFile::~TeStdFile().

string TeStdFile::fileName_ [protected, inherited]

Definition at line 72 of file TeStdFile.h.

Referenced by TeStdFile::TeStdFile().

string TeStdFile::mode_ [protected, inherited]

Definition at line 73 of file TeStdFile.h.

---

The documentation for this class was generated from the following files:

• TeAsciiFile.h
• TeAsciiFile.cpp

---