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[PR #17962] New tokenization & integer parsing helpers #31412

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opened 2026-01-31 09:47:08 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:47:08 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/17962

State: closed
Merged: Yes

Reading through our existing patterns for integer parsing, I noticed
that we'd be better off returning them as optionals.
This also allowed me to improve the implementation to support integers
all the way up to their absolute maximum/minimum.

Furthermore, I noticed that prefix_split was unsound:
If the last needle character was the last character in the remaining
text, the remaining text would be updated to an empty string view.
The caller would then have no idea if there's 1 more token left
or if the string is truly empty.
To solve this, this PR introduces an iterator class. This will allow
it to be used in our VT parser code.

**Original Pull Request:** https://github.com/microsoft/terminal/pull/17962 **State:** closed **Merged:** Yes --- Reading through our existing patterns for integer parsing, I noticed that we'd be better off returning them as optionals. This also allowed me to improve the implementation to support integers all the way up to their absolute maximum/minimum. Furthermore, I noticed that `prefix_split` was unsound: If the last needle character was the last character in the remaining text, the remaining text would be updated to an empty string view. The caller would then have no idea if there's 1 more token left or if the string is truly empty. To solve this, this PR introduces an iterator class. This will allow it to be used in our VT parser code.
claunia added the pull-request label 2026-01-31 09:47:08 +00:00
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Reference: starred/terminal#31412
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