Struct StructureTreeStrategy 

pub struct StructureTreeStrategy { /* private fields */ }

Structure tree-based reading order strategy.

This is the PDF-spec-compliant approach for Tagged PDFs (ISO 32000-1:2008 Section 14.7). It uses the structure tree’s pre-order traversal to determine the logical reading order of marked content.

For spans without MCIDs or when no structure tree is available, it falls back to the GeometricStrategy (column-aware geometric analysis).

Implementations

impl StructureTreeStrategy

pub fn new() -> Self

Create a new structure tree strategy.

Trait Implementations

impl Default for StructureTreeStrategy

fn default() -> Self

Returns the “default value” for a type.

impl ReadingOrderStrategy for StructureTreeStrategy

fn apply( &self, spans: Vec<TextSpan>, context: &ReadingOrderContext, ) -> Result<Vec<OrderedTextSpan>>

Apply reading order to a collection of spans.

fn name(&self) -> &'static str

Return the name of this strategy for debugging.