Re: [icu-support] Adding external transliteration rulefiles/tables

[Johan L. <j....@oc...>]

Hello,

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Thank you for your response. However, we are still having problems
adding a custom transliterator table. What we do is the following:

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-          we set ICU_DATA to the directory containing the
transliterator table;

-          we compile the transliterator table with genrb;

-          we compile 'a' root file with genrb. Since we didn't know the
actual structure of a root file, we located a root.res
(data/out/build/icudt34b/translit/root.res) file and decompiled it with
derb to discover its structure. Unfortunately, it cannot be recompiled
with genrb again and we cannot find a source for this file.

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Are there any examples for adding a custom transliterator table?

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The situation we have here is very simple (for now): we want to add a
single custom transliterator table for an existing locale. Note that we
initially tried to add a transliterator table with ICU version 2.6 (no
success), and are now trying to do the same for ICU version 3.4 (no
success again).

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We noticed after building ICU 3.4.1, we cannot find the source
transliterator tables any more. Since the transliteration tables
supplied with a default install seem to work fine, we wonder whether the
source transliteration tables are generated in some way.=20

Also, when using the ICU_DATA directory and running the test program, we
can find our transliterator ID with the countAvailableID/getAvailableID
mechanism but opening the transliterator fails.=20

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Kind regards,

Johan List

OCLC PICA BV, Leiden, The Netherlands

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________________________________

From: icu...@li...
[mailto:icu...@li...] On Behalf Of Mark
Davis
Sent: woensdag 12 juli 2006 19:21
To: ICU support mailing list
Subject: Re: [icu-support] Adding external transliteration
rulefiles/tables

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There is an index resource in root that controls which files get used,
and how they are identified. You'll need to change that also.

Mark

On 7/12/06, Johan List <j....@oc...> wrote:

Hello,

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I am currently trying to add an external transliteration rulefile (or
table) to a system setup of ours. The scenario is in theory pretty
simple: customers might desire to implement their own transliteration
rulefiles and want to add those to the existing batch of rule files.

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However, I don't have much luck in adding rulefiles to our system. Is
there any way to add a transliterator file to the system-supplied files
without having to rebuild or adapt the ICU installation itself? We were
under the impression adding extra transliteration tables would be easy
enough, by compiling and adding them to the ICU_DATA directory.=20

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Setting  ICU_DATA to a directory containing the custom transliterator
rulefile and using truss to see whether the custom table is loaded, the
new table is not used at all (or at least seems to be unused after
examining the transliterations).=20

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Maybe in the end it's really simple, but I'm kind of baffled at the
moment. Anyone else who has added custom transliteration tables to a
setup and wants to explain how to proceed?

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Kind regards,

Johan List

OCLC PICA BV, Leiden , The Netherlands



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