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| | | Writing meta-data while document is open? | Writing meta-data while document is open? 2007-12-03 - By Howard Shank
Back
Hi Bruno/Paulo,
I am working with Mark Hall and the RTF code.
In the iText Document class why is it not possible to add meta-data once the
document is opened? Is this a technical limitation or a specific design
limitation?
The reason I ask is in the RTF specification, it is possible to parse document
text before encountering document meta-data. With that in mind for parsing RTF
it is necessary to be able to write document content and/or meta-data at any
time while parsing an existing document.
Here is a valid RTF encoding of a document:
-- ---- ------Start Document-- ---- ---- ---
{\rtf1\ansi\ansicpg1252 Text in header\line
\deff0{\fonttbl{\f0\froman\fcharset0 Times New Roman;}{\f1\froman\fcharset0
Arial;}}
{\colortbl\red0\green0\blue0;\red255\green255\blue255;\red255\green0\blue0;}
{\stylesheet
}
{\*\listtable
}
{\*\listoverridetable
}
Text before \\info group\line
{\info {\author Shank}}
\paperw11907\paperh16840\margl720\margr720\margt720\margb720
\pgwsxn11907\pghsxn16840
\marglsxn720\margrsxn720\margtsxn720\margbsxn720Testing a soft linebreak\line
here. With \f1 a different font and \cf2 colour.}
-- ---- ------End Document-- ---- ---- ---
In line 1 there is "Text in header" with a soft line break.
In line 10 there is "Text before \info group" with a soft line break
In line 11 there is meta-data "Author = Shank".
The text from lines 1 and 10 would be included in the document text and
encountered before the meta-data element for the author.
The remaining text "Testing a soft linebreak\line here. With a different font
and colour." would be included in the doucment text.
Thanks for your time!
Regards,
Howard Shank
__ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ _____
__ ____ ___
Looking for last minute shopping deals?
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head>
<body><div style="font-family:times new roman, new york, times, serif;font-size
:12pt"><P>Hi Bruno/Paulo,</P>
<P> </P>
<P>I am working with Mark Hall and the RTF code.</P>
<P> </P>
<P>In the iText Document class why is it not possible to add meta-data once the
document is opened? Is this a technical limitation or a specific design
limitation?</P>
<P> </P>
<P>The reason I ask is in the RTF specification, it is possible to parse
document text before encountering document meta-data. With that in mind for
parsing RTF it is necessary to be able to write document content and/or meta
-data at any time while parsing an existing document.</P>
<P> </P>
<P>Here is a valid RTF encoding of a document:</P>
<P>-- ---- ------Start Document-- ---- ---- ---</P>
<P>{\rtf1\ansi\ansicpg1252 Text in header\line<BR>\deff0{\fonttbl{\f0\froman
\fcharset0 Times New Roman;}{\f1\froman\fcharset0 Arial;}}<BR>{\colortbl\red0
\green0\blue0;\red255\green255\blue255;\red255\green0\blue0;}<BR>{\stylesheet
<BR>}<BR>{\*\listtable<BR>}<BR>{\*\listoverridetable<BR>}<BR>Text before <A href
="file://\\info">\\info</A> group\line<BR>{\info {\author Shank}}<BR>
\paperw11907\paperh16840\margl720\margr720\margt720\margb720<BR>\pgwsxn11907
\pghsxn16840<BR>\marglsxn720\margrsxn720\margtsxn720\margbsxn720Testing a soft
linebreak\line here. With \f1 a different font and \cf2 colour.}</P>
<P>-- ---- ------End Document-- ---- ---- ---</P>
<P> </P>
<P>In line 1 there is "Text in header" with a soft line break.</P>
<P>In line 10 there is "Text before \info group" with a soft line break</P>
<P>In line 11 there is meta-data "Author = Shank".</P>
<P>The text from lines 1 and 10 would be included in the document text and
encountered before the meta-data element for the author.</P>
<P>The remaining text "Testing a soft linebreak\line here. With a different
font and colour." would be included in the doucment text.</P>
<P> </P>
<P>Thanks for your time!</P>
<P> </P>
<P>Regards,</P>
<P>Howard Shank</P></div><br>
<hr size=1>Looking for last minute shopping deals? <a href="http://us.rd
.yahoo.com/evt=51734/*http://tools.search.yahoo.com/newsearch/category.php
?category=shopping">
Find them fast with Yahoo! Search.</a></body></html>
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