28 lines
1.1 KiB
Markdown
28 lines
1.1 KiB
Markdown
# Extraction model
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Extraction nodes contain actual engine match/capture values and ranges. The
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syntax tree supplies capture names and parent relationships; engine results
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supply participation, value and offsets.
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Statuses distinguish:
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- participated with non-empty text;
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- participated and matched empty;
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- did not participate;
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- unavailable range;
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- preview-truncated value.
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Exact match and capture ranges are retained even when a displayed value exceeds
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the 64 Ki UTF-16 per-value preview limit or the shared 8 Mi-unit preview
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budget. Consumers must inspect the preview status rather than treating a
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preview as complete. In particular, list export is disabled if its template
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would consume an incomplete value.
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Repeated ECMAScript captures expose only the final retained capture. The UI
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labels this limitation and does not invent history. Later .NET support may add
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actual engine capture-history nodes without degrading them to this model.
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The syntactic hierarchy remains useful even if actual spans overlap or fall
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outside a parent's geometry; native and normalized ranges are preserved rather
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than “fixed”.
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