icu ICU-22503 Add support for property Indic_Conjunct

This PR is for adding support for property InCB (Indic_Conjunct_Break).

~It's starting off in draft mode because the PPUCD-based unit test is failing and needs debugging.~

This PR is based on top of #3028, so it should wait for #3028 to be merged before attempting to update and merge this PR.

Checklist

[X] Required: Issue filed: https://unicode-org.atlassian.net/browse/ICU-22503
[X] Required: The PR title must be prefixed with a JIRA Issue number.
[X] Required: The PR description must include the link to the Jira Issue, for example by completing the URL in the first checklist item
[X] Required: Each commit message must be prefixed with a JIRA Issue number.
[X] Issue accepted (done by Technical Committee after discussion)
[X] Tests included, if applicable
[ ] API docs and/or User Guide docs changed or added, if applicable

Jun 26 '24 06:06 echeran

Notice: the branch changed across the force-push!

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View Diff Across Force-Push

~ Your Friendly Jira-GitHub PR Checker Bot

Jun 28 '24 22:06 jira-pull-request-webhook[bot]

I rebased this PR on top of #3028 . Therefore, this PR:

should not be merged until #3028 is merged
should only introduce changes for InCB, and should not appear to introduce any changes for other properties after this branch is updated from the latest on main after #3028 is merged

Jun 28 '24 22:06 echeran

Notice: the branch changed across the force-push!

.github/workflows/scorecard.yml is no longer changed in the branch
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~ Your Friendly Jira-GitHub PR Checker Bot

Jul 23 '24 21:07 jira-pull-request-webhook[bot]

Yes, I need the change in Java, since we need a constant (effectively an enum) to represent the new property so that people can provide that vlaue into UCharacter.getPropertValueEnum() or UCharacter.getPropertyName().

Although I'm puzzled why that addition of a single line int constant is causing the Maven build to just break altogether.

Jul 23 '24 21:07 echeran

Yes, I need the change in Java, since we need a constant (effectively an enum) to represent the new property so that people can provide that vlaue into UCharacter.getPropertValueEnum() or UCharacter.getPropertyName().

Although I'm puzzled why that addition of a single line int constant is causing the Maven build to just break altogether.

Oops! My fault. You do have the Java change in there too. I missed that. But it's just INDIC_CONJUNCT_BREAK. Don't you also need constants for the individual properties?

Jul 23 '24 21:07 richgillam

Don't you also need constants for the individual properties?

Yes indeed! Thanks for catching that.

Jul 23 '24 21:07 echeran

is causing the Maven build

The Unicode version constant is not being initialized from the Java resource files. I didn't proceed all the way through in the data update instructions in changes.txt so I'll be going through that further.

Jul 23 '24 21:07 echeran

Notice: the branch changed across the force-push!

icu4c/source/data/unidata/changes.txt is different
icu4c/source/test/cintltst/cucdtst.c is now changed in the branch
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icu4j/main/core/src/test/java/com/ibm/icu/dev/test/lang/UCharacterTest.java is now changed in the branch

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~ Your Friendly Jira-GitHub PR Checker Bot

Jul 26 '24 20:07 jira-pull-request-webhook[bot]

Notice: the branch changed across the force-push!

tools/unicode/py/preparseucd.py is different

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~ Your Friendly Jira-GitHub PR Checker Bot

Jul 26 '24 21:07 jira-pull-request-webhook[bot]

FYI --

Don't you also need constants for the individual properties?

Yes indeed! Thanks for catching that.

It was also missing the Java port of the uprops.h / uprops.cpp changes, to UCharacterProperty.java. The class initializer error indicated that an int property had been added (and the _LIMIT constant incremented) without adding an entry to the array of IntProps which defines how to fetch the values for each enumerated property from the data structure.

Jul 26 '24 21:07 markusicu

ICU-22503 Add support for property Indic_Conjunct_Break

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