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203 lines
5.1 KiB
203 lines
5.1 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<title>KOffice filters status: CSV FILTER</title>
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</head>
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<body text="#000000" bgcolor="#FFFFFF" link="#000099" vlink="#666666" alink="#666666">
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<A NAME="START"> </A>
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<BR>
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<center>
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<h1>
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KOffice filters status: <i>CSV - Comma Separated Values</i>
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</h1>
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</center>
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<hr NOSHADE SIZE=2 WIDTH="70%">
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<font size="-1"><b>
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<A HREF="#import">Import</A> |
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<A HREF="#export">Export</A>
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</b></font>
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<BR><BR><BR>
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<center><a NAME="import"></a></center>
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<A HREF="#START"><font size="-1"><b>Up</b></font></A>
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<center>
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<table BORDER=0 CELLSPACING=0 BGCOLOR="#000000" WIDTH="100%">
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<tr>
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<td>
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<table BORDER=0 CELLPADDING=2 BGCOLOR="#FFFFFF" WIDTH="100%">
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<tr BGCOLOR="#DDFFDD">
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<td COLSPAN="2">
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<center><b><i><font size="+1">
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<BR>
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Import CSV for KSpread<BR>
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<BR>
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</font></i></b></center>
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</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP WIDTH="1%" NOWRAP><b><font size="+1">Last update</font></b></td>
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<td>9 jan 2001</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">Features</font></b></td>
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<td>- Can import CVS documents</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Todo</font></b></td>
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<td>
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- Automatically adjust the columns width to their contents.<BR>
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Will be difficult, as we don't know the font used...<BR>
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Solution ? Set a default font _in_ the filter, and use it to <BR>
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compute the width...
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</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">History</font></b></td>
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<td>-</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Authors</font></b></td>
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<td>
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<A HREF="mailto:faure@kde.org">David Faure</A>
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<A HREF="mailto:trobin@kde.org">Werner Trobin</A>
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</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">Links</font></b></td>
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<td>-</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Progress report </font></b></td>
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<td>
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<H2>Design</H2>
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<PRE>
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The CSV import filter uses a hand-made state machine to parse the CSV file.
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This allows to handle quoted fields (such as those containing the CSV delimiter),
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as well as the double-quote character itself (which then appears twice, and
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always in a quoted field).
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Just to make sure about the vocabulary, I call a quoted field a field
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starting with " and finishing with ".
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Let's try to draw the graph of the state machine using ascii-art.
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DEL or EOL
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/--\
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| v "
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/--[START]-------->[QUOTED_FIELD] (**)
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other| ^ ^ | ^
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(*) | | | DEL or | " | " (*)
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| | | EOL v | other
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| | \----[MAYBE_END_OF_QUOTED_FIELD]--------> Error
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| | DEL or
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v |
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[NORMAL_FIELD] (**)
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DEL : CSV delimiter (depends on locale !). Often comma, sometimes semicolon.
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EOL : End Of Line.
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(*) : added to the current field
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(**) : implicit loop on itself, labeled "other (*)"
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Ugly isn't it ? :) One can't be good in drawings AND in hacking :)
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That's all. For the rest, see csvfilter.cc
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David Faure <faure@kde.org>, 1999
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</PRE>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</center>
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<A HREF="#START"><font size="-1"><b>Up</b></font></A>
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<br><br><br>
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<hr NOSHADE SIZE=1>
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<br><br><br>
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<center>
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<a NAME="export"></a>
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</center>
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<A HREF="#START"><font size="-1"><b>Up</b></font></A>
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<center>
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<table BORDER=0 CELLSPACING=0 BGCOLOR="#000000" WIDTH="100%">
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<tr>
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<td>
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<table BORDER=0 CELLPADDING=2 BGCOLOR="#FFFFFF" WIDTH="100%">
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<tr BGCOLOR="#FFDDDD">
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<td COLSPAN="2">
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<center><b><i><font size="+1">
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<BR>Export KSpread to CSV<BR><BR>
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</font></i></b></center>
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</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP WIDTH="1%" NOWRAP><b><font size="+1">Last update</font></b></td>
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<td>?</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">Features</font></b></td>
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<td>?</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Todo</font></b></td>
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<td>?</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">History</font></b></td>
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<td>-</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Authors</font></b></td>
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<td>
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<A HREF="mailto:faure@kde.org">David Faure</A>
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<A HREF="mailto:trobin@kde.org">Werner Trobin</A>
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</td>
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</tr>
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<tr BGCOLOR="#CCCCFF">
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<td VALIGN=TOP><b><font size="+1">Links</font></b></td>
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<td>-</td>
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</tr>
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<tr BGCOLOR="#EEEEFF">
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<td VALIGN=TOP><b><font size="+1">Progress report </font></b></td>
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<td>---</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</center>
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<A HREF="#START"><font size="-1"><b>Up</b></font></A>
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</body>
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</html>
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