try to move getCollator(type) from WriteCollationData to UCA

[markusicu]

If you want a DUCET collator, you can get it from class UCA. But you can also get a cached version from WriteCollationData.

If you want a CLDR collator, you need to call getCollator(type) in class WriteCollationData. That code works with class UCA. In particular, when we were still reordering characters for CLDR (before PR #762), the Remap class for doing so was in class UCA.

This seems misplaced, like an unnecessary back-and-forth. It seems like getCollator(type) should be in class UCA, and WriteCollationData should focus on, well, writing collation data.

A possible alternative is to create a separate class for making a CLDR collator, but there does not seem to be enough special code that we would need that.

So, try to move getCollator(type) from class WriteCollationData to class UCA.

@macchiati FYI

[macchiati]

Makes sense.

On Wed, May 1, 2024 at 12:52 PM Markus Scherer @.***> wrote:

If you want a DUCET collator, you can get it from class UCA. But you can also get a cached version from WriteCollationData.

If you want a CLDR collator, you need to call getCollator(type) in class WriteCollationData. That code works with class UCA. In particular, when we were still reordering characters for CLDR, the Remap class for doing so was in class UCA.

This seems misplaced, like an unnecessary back-and-forth. It seems like getCollator(type) should be in class UCA, and WriteCollationData should focus on, well, writing collation data.

A possible alternative is to create a separate class for making a CLDR collator, but there does not seem to be enough special code that we would need that.

So, try to move getCollator(type) from class WriteCollationData to class UCA.

@macchiati https://github.com/macchiati FYI

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