NAME
    Spreadsheet::WriteExcel::FromXML - Create Excel Spreadsheet from XML

SYNOPSIS
      use strict;
      use warnings;
      use Spreadsheet::WriteExcel::FromXML;
      my $fromxml = Spreadsheet::WriteExcel::FromXML->new( "file.xml" );
      $fromxml->parse;
      $fromxml->buildSpreadsheet;
      $fromxml->writeFile("file.xls");
      # or
      my $data = $fromxml->getSpreadsheetData;
      # then write $data to a file...or do with it as you wish

      # or, even simpler:
      my $data = Spreadsheet::WriteExcel::FromXML->BuildSpreadsheet( "file.xml" );

      # or, even simpler:
      Spreadsheet::WriteExcel::FromXML->XMLToXLS( "file.xml", "file.xlsx" );

DESCRIPTION
    This module uses Spreadsheet::WriteExcel to turn a simple XML data file
    into a binary Excel XLS file.

    See also the FromXML.dtd file in the distribution.

API REFERENCE
  new($)
    Param: XML file name - name of file to be parsed. Return: ToExcel
    object.

    Constructor. Requires and XML file name.

  private void _initializeXMLSource($)
    Param: XML file source (GLOB, IO::Handle, file name or XML as a string
    [or scalar ref]) Return: true Throws: exception if unable to

    Initializer method to check for existance of the XML file.

  parse
    Param: XML file name or an IO::Handle [optional]. Return: true Throws:
    exception if xmlsource initialization fails, or if parsing fails

    A method to make the necessary calls to parse the XML file. Remember, if
    a file handle is passed in the calling code is responsible for closing
    it.

  _parseXMLFileToTree
    Param: none. Return: true Calls: XML::Parse new & parse.

    A method to parse an XML file into a tree-style data structure using
    XML::Parser.

  _processTree
      Param: $ar         - child xml elements
      Param: $xmltag     - the xml tag name (string)
      Param: $rownum     - the current row number in the internal worksheet
      Param: $column     - the current column number in the current row
      Param: $rowformat
      Return: void.

    A method for taking the tree-style data structure from XML::Parser and
    sticking the data into our object structure & Spreadsheet::WriteExcel.
    After this method is called, we have an Excel spreadsheet ready for
    output.

  writeFile($)
    Param: filename - file name to output Excel data to. Return: true/false
    Throws: exception if unable to open the file.

    writeFile takes a file name and writes the XLS data from the internal
    buffer to the specified file.

  getSpreadsheetData
    Once the spreadsheet has been generated, this method returns the binary
    representation of the spreadsheet.

  workbook([$])
    Get/set method to reference our Workbook object.

  _treeData([$])
    Get/set method for the raw XML tree data.

  _xmlfh([$])
    Get/set method for the XML file that is being parsed.

SEE ALSO
    SpreadSheet::WriteExcel SpreadSheet::WriteExcel::FromDB
    OLE::Storage_Lite

AUTHORS
    Justin Bedard juice@lerch.org

    Kyle R. Burton mortis@voicenet.com, krburton@cpan.org