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.\" ========================================================================
.\"
.IX Title "OLE::Storage_Lite 3pm"
.TH OLE::Storage_Lite 3pm "2023-06-11" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
OLE::Storage_Lite \- Simple Class for OLE document interface.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use OLE::Storage_Lite;
\&
\&    # Initialize.
\&
\&    # From a file
\&    my $oOl = OLE::Storage_Lite\->new("some.xls");
\&
\&    # From a filehandle object
\&    use IO::File;
\&    my $oIo = new IO::File;
\&    $oIo\->open("<iofile.xls");
\&    binmode($oIo);
\&    my $oOl = OLE::Storage_Lite\->new($oFile);
\&
\&    # Read data
\&    my $oPps = $oOl\->getPpsTree(1);
\&
\&    # Save Data
\&    # To a File
\&    $oPps\->save("kaba.xls"); #kaba.xls
\&    $oPps\->save(\*(Aq\-\*(Aq);        #STDOUT
\&
\&    # To a filehandle object
\&    my $oIo = new IO::File;
\&    $oIo\->open(">iofile.xls");
\&    bimode($oIo);
\&    $oPps\->save($oIo);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
OLE::Storage_Lite allows you to read and write an \s-1OLE\s0 structured file.
.PP
OLE::Storage_Lite::PPS is a class representing \s-1PPS.\s0 OLE::Storage_Lite::PPS::Root, OLE::Storage_Lite::PPS::File and OLE::Storage_Lite::PPS::Dir
are subclasses of OLE::Storage_Lite::PPS.
.SS "\fBnew()\fP"
.IX Subsection "new()"
Constructor.
.PP
.Vb 1
\&    $oOle = OLE::Storage_Lite\->new($sFile);
.Ve
.PP
Creates a OLE::Storage_Lite object for \f(CW$sFile\fR. \f(CW$sFile\fR must be a correct file name.
.PP
The \f(CW\*(C`new()\*(C'\fR constructor also accepts a valid filehandle. Remember to \f(CW\*(C`binmode()\*(C'\fR the filehandle first.
.SS "\fBgetPpsTree()\fP"
.IX Subsection "getPpsTree()"
.Vb 1
\&    $oPpsRoot = $oOle\->getPpsTree([$bData]);
.Ve
.PP
Returns \s-1PPS\s0 as an OLE::Storage_Lite::PPS::Root object.
Other \s-1PPS\s0 objects will be included as its children.
.PP
If \f(CW$bData\fR is true, the objects will have data in the file.
.SS "\fBgetPpsSearch()\fP"
.IX Subsection "getPpsSearch()"
.Vb 1
\&    $oPpsRoot = $oOle\->getPpsTree($raName [, $bData][, $iCase] );
.Ve
.PP
Returns PPSs as OLE::Storage_Lite::PPS objects that has the name specified in \f(CW$raName\fR array.
.PP
If \f(CW$bData\fR is true, the objects will have data in the file.
If \f(CW$iCase\fR is true, search is case insensitive.
.SS "\fBgetNthPps()\fP"
.IX Subsection "getNthPps()"
.Vb 1
\&    $oPpsRoot = $oOle\->getNthPps($iNth [, $bData]);
.Ve
.PP
Returns \s-1PPS\s0 as \f(CW\*(C`OLE::Storage_Lite::PPS\*(C'\fR object specified number \f(CW$iNth\fR.
.PP
If \f(CW$bData\fR is true, the objects will have data in the file.
.SS "\fBAsc2Ucs()\fP"
.IX Subsection "Asc2Ucs()"
.Vb 1
\&    $sUcs2 = OLE::Storage_Lite::Asc2Ucs($sAsc>);
.Ve
.PP
Utility function. Just adds 0x00 after every characters in \f(CW$sAsc\fR.
.SS "\fBUcs2Asc()\fP"
.IX Subsection "Ucs2Asc()"
.Vb 1
\&    $sAsc = OLE::Storage_Lite::Ucs2Asc($sUcs2);
.Ve
.PP
Utility function. Just deletes 0x00 after words in \f(CW$sUcs\fR.
.SH "OLE::Storage_Lite::PPS"
.IX Header "OLE::Storage_Lite::PPS"
OLE::Storage_Lite::PPS has these properties:
.IP "No" 4
.IX Item "No"
Order number in saving.
.IP "Name" 4
.IX Item "Name"
Its name in \s-1UCS2\s0 (a.k.a Unicode).
.IP "Type" 4
.IX Item "Type"
Its type (1:Dir, 2:File (Data), 5: Root)
.IP "PrevPps" 4
.IX Item "PrevPps"
Previous pps (as No)
.IP "NextPps" 4
.IX Item "NextPps"
Next pps (as No)
.IP "DirPps" 4
.IX Item "DirPps"
Dir pps (as No).
.IP "Time1st" 4
.IX Item "Time1st"
Timestamp 1st in array ref as similar format of localtime.
.IP "Time2nd" 4
.IX Item "Time2nd"
Timestamp 2nd in array ref as similar format of localtime.
.IP "StartBlock" 4
.IX Item "StartBlock"
Start block number
.IP "Size" 4
.IX Item "Size"
Size of the pps
.IP "Data" 4
.IX Item "Data"
Its data
.IP "Child" 4
.IX Item "Child"
Its child PPSs in array ref
.SH "OLE::Storage_Lite::PPS::Root"
.IX Header "OLE::Storage_Lite::PPS::Root"
OLE::Storage_Lite::PPS::Root has 2 methods.
.SS "\fBnew()\fP"
.IX Subsection "new()"
.Vb 4
\&    $oRoot = OLE::Storage_Lite::PPS::Root\->new(
\&                    $raTime1st,
\&                    $raTime2nd,
\&                    $raChild);
.Ve
.PP
Constructor.
.PP
\&\f(CW$raTime1st\fR, \f(CW$raTime2nd\fR are array refs with ($iSec, \f(CW$iMin\fR, \f(CW$iHour\fR, \f(CW$iDay\fR, \f(CW$iMon\fR, \f(CW$iYear\fR).
\&\f(CW$iSec\fR means seconds, \f(CW$iMin\fR means minutes. \f(CW$iHour\fR means hours.
\&\f(CW$iDay\fR means day. \f(CW$iMon\fR is month \-1. \f(CW$iYear\fR is year \- 1900.
.PP
\&\f(CW$raChild\fR is a array ref of children PPSs.
.SS "\fBsave()\fP"
.IX Subsection "save()"
.Vb 3
\&    $oRoot = $oRoot>\->save(
\&                    $sFile,
\&                    $bNoAs);
.Ve
.PP
Saves information into \f(CW$sFile\fR. If \f(CW$sFile\fR is '\-', this will use \s-1STDOUT.\s0
.PP
The \f(CW\*(C`new()\*(C'\fR constructor also accepts a valid filehandle. Remember to \f(CW\*(C`binmode()\*(C'\fR the filehandle first.
.PP
If \f(CW$bNoAs\fR is defined, this function will use the No of PPSs for saving order.
If \f(CW$bNoAs\fR is undefined, this will calculate \s-1PPS\s0 saving order.
.SH "OLE::Storage_Lite::PPS::Dir"
.IX Header "OLE::Storage_Lite::PPS::Dir"
OLE::Storage_Lite::PPS::Dir has 1 method.
.SS "\fBnew()\fP"
.IX Subsection "new()"
.Vb 5
\&    $oRoot = OLE::Storage_Lite::PPS::Dir\->new(
\&                    $sName,
\&                  [, $raTime1st]
\&                  [, $raTime2nd]
\&                  [, $raChild>]);
.Ve
.PP
Constructor.
.PP
\&\f(CW$sName\fR is a name of the \s-1PPS.\s0
.PP
\&\f(CW$raTime1st\fR, \f(CW$raTime2nd\fR is a array ref as
($iSec, \f(CW$iMin\fR, \f(CW$iHour\fR, \f(CW$iDay\fR, \f(CW$iMon\fR, \f(CW$iYear\fR).
\&\f(CW$iSec\fR means seconds, \f(CW$iMin\fR means minutes. \f(CW$iHour\fR means hours.
\&\f(CW$iDay\fR means day. \f(CW$iMon\fR is month \-1. \f(CW$iYear\fR is year \- 1900.
.PP
\&\f(CW$raChild\fR is a array ref of children PPSs.
.SH "OLE::Storage_Lite::PPS::File"
.IX Header "OLE::Storage_Lite::PPS::File"
OLE::Storage_Lite::PPS::File has 3 method.
.SS "new"
.IX Subsection "new"
.Vb 1
\&    $oRoot = OLE::Storage_Lite::PPS::File\->new($sName, $sData);
.Ve
.PP
\&\f(CW$sName\fR is name of the \s-1PPS.\s0
.PP
\&\f(CW$sData\fR is data of the \s-1PPS.\s0
.SS "\fBnewFile()\fP"
.IX Subsection "newFile()"
.Vb 1
\&    $oRoot = OLE::Storage_Lite::PPS::File\->newFile($sName, $sFile);
.Ve
.PP
This function makes to use file handle for getting and storing data.
.PP
\&\f(CW$sName\fR is name of the \s-1PPS.\s0
.PP
If \f(CW$sFile\fR is scalar, it assumes that is a filename.
If \f(CW$sFile\fR is an IO::Handle object, it uses that specified handle.
If \f(CW$sFile\fR is undef or '', it uses temporary file.
.PP
\&\s-1CAUTION:\s0 Take care \f(CW$sFile\fR will be updated by \f(CW\*(C`append\*(C'\fR method.
So if you want to use IO::Handle and append a data to it,
you should open the handle with \*(L"r+\*(R".
.SS "\fBappend()\fP"
.IX Subsection "append()"
.Vb 1
\&    $oRoot = $oPps\->append($sData);
.Ve
.PP
appends specified data to that \s-1PPS.\s0
.PP
\&\f(CW$sData\fR is appending data for that \s-1PPS.\s0
.SH "CAUTION"
.IX Header "CAUTION"
A saved file with \s-1VBA\s0 (a.k.a Macros) by this module will not work correctly.
However modules can get the same information from the file,
the file occurs a error in application(Word, Excel ...).
.SH "DEPRECATED FEATURES"
.IX Header "DEPRECATED FEATURES"
Older version of \f(CW\*(C`OLE::Storage_Lite\*(C'\fR autovivified a scalar ref in the \f(CW\*(C`new()\*(C'\fR constructors into a scalar filehandle. This functionality is still there for backwards compatibility but it is highly recommended that you do not use it. Instead create a filehandle (scalar or otherwise) and pass that in.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
The OLE::Storage_Lite module is Copyright (c) 2000,2001 Kawai Takanori. Japan.
All rights reserved.
.PP
You may distribute under the terms of either the \s-1GNU\s0 General Public
License or the Artistic License, as specified in the Perl \s-1README\s0 file.
.SH "ACKNOWLEDGEMENTS"
.IX Header "ACKNOWLEDGEMENTS"
First of all, I would like to acknowledge to Martin Schwartz and his module OLE::Storage.
.SH "AUTHOR"
.IX Header "AUTHOR"
Kawai Takanori kwitknr@cpan.org
.PP
This module is currently maintained by John McNamara jmcnamara@cpan.org
.SH "SEE ALSO"
.IX Header "SEE ALSO"
OLE::Storage
.PP
Documentation for the \s-1OLE\s0 Compound document has been released by Microsoft under the \fIOpen Specification Promise\fR. See http://www.microsoft.com/interop/docs/supportingtechnologies.mspx
.PP
The Digital Imaging Group have also detailed the \s-1OLE\s0 format in the \s-1JPEG2000\s0 specification: see Appendix A of http://www.i3a.org/pdf/wg1n1017.pdf