Re: [Exist-development] Adding number formatting functions to the util function module

[Thomas W. <tho...@gm...>]

I am glad the localization is in the focus now.

Dan, I think the the proposal is good but it does not cover all issues
related to the localisation.

I think the best way to organise the code is to create a module dedicated
for all localisation functions called  l18n.

The functions I can see there for now could be:

localized-date( $date as xs:datetime, $locale as xs:string)
 localized-currency( $number as xs:double, $locale as xs:string)
 localized-percent( $number as xs:double,  $locale as xs:string)
localized-number( $number as xs:double,  $locale as xs:string)

and many other localized function to come...

I do believe it is much better to have a specialised function for every data
type instead of a generic function with a parameter.
It is much more clear when one reads the code with dedicted functions.

Loren, I agree with you  number-to-formatted-string should go to util module
because of it generic nature.

I hope this will help.

Thomas

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On 15 July 2010 20:13, Dan McCreary <dan...@gm...> wrote:

> My apologies,
>
> I was aware of the XQuery 1.1 specification for *format-number()* but I
> did not communicate this format clearly to Loren.
>
> Here is the proposed format in the 1.1 XQuery Working Draft standard:
>
> http://www.w3.org/TR/xquery-11/#id-decimal-format-decl
>
> I believe we should be working to try to make it consistent with this
> specification (i.e. also XPath 2.0)
>
> - Dan
>
>
> On Thu, Jul 15, 2010 at 12:39 PM, Loren Cahlander <
> lor...@gm...> wrote:
>
>>  I am in the process of adding the formatting of a number to a formatted
>> string.  There are three general purpose functions that format the number to
>> a general number, currency or percentage according to the optionally
>> specified locale.  The fourth function takes in a format string according to
>> the format specification for the java.text.DecimalFormat Java class.
>>
>> Please supply me with your comments.  Dan will be developing XQuery unit
>> tests to validate the functions.  You will find the function docs below.
>>
>> Thank you,
>>
>> Loren
>>
>>
>>
>>  number-to-currency-string<http://localhost:8080/exist/functions/util/number-to-currency-string>
>> ------------------------------
>> util:number-to-currency-string($number as xs:double, $locale as
>> xs:string?) xs:string?
>>  Returns a currency number formatted for the specified locale if
>> specified (default otherwise) as an xs:string value.
>>     $number The number $locale two-letter ISO-639 code representing the
>> locale
>>  ------------------------------
>> Returns the formatted string
>>  number-to-formatted-string<http://localhost:8080/exist/functions/util/number-to-formatted-string>
>> ------------------------------
>> util:number-to-formatted-string($number as xs:double, $format as
>> xs:string) xs:string?
>>  Returns the number formatted as an xs:string value.
>>     $number The number $format The format pattern string. Please see the
>> JavaDoc for java.text.DecimalFormat to get the specifics of this format
>> string.
>>  ------------------------------
>> Returns the formatted string
>>  number-to-percent-string<http://localhost:8080/exist/functions/util/number-to-percent-string>
>> ------------------------------
>> util:number-to-percent-string($number as xs:double, $locale as xs:string?)
>> xs:string?
>>  Returns a percentage number formatted for the specified locale if
>> specified (default otherwise) as an xs:string value.
>>     $number The number $locale two-letter ISO-639 code representing the
>> locale
>>  ------------------------------
>> Returns the formatted string
>>  number-to-string<http://localhost:8080/exist/functions/util/number-to-string>
>> ------------------------------
>> util:number-to-string($number as xs:double, $locale as xs:string?)
>> xs:string?
>>  Returns a general-purpose number formatted for the specified locale if
>> specified (default otherwise) as an xs:string value.
>>     $number The number $locale two-letter ISO-639 code representing the
>> locale
>>  ------------------------------
>> Returns the formatted string
>>
>>
>>
>>
>
>
> --
> Dan McCreary
> Semantic Solutions Architect
> office: (952) 931-9198
> cell: (612) 986-1552
>
>
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