EPUB Techniques

[rickj]

As work progresses, sharing what we are currently using as a starting point. The second column is what we are returning on an API search

Category	Type	Criteria
Contains Accessibility Claims	Boolean - searched as true/false	true if we have any data in the a11y table for a given asset
Accessibility Summary	String - searched as exists	returns any text from the accessibilitySummary field
Supports Nonvisual Reading	Boolean - searched as true/false	true if
		accessModeSufficient contains textual
		accessMode contains textual
		accessibilityFeature contains ttsMarkup
		accessibilityFeature contains readingOrder
		accessibilityFeature contains alternativeText
Visual Adjustments	Boolean - searched as true/false	true if
		accessModeSufficient contains visual
		accessMode contains visual
		accessibilityFeature contains displayTransformability
Navigation	Boolean - searched as true/false	true if accessibilityFeature contains any of the following values
		index
		pageNavigation
		pageBreakMarkers
		printPageNumbers
		structuralNavigation
		tableOfContents
Charts, Diagrams, and Formulas	Boolean - searched as true/false	true if accessMode contains
		colorDependent
		chartOnVisual
		chemOnVisual
		diagramOnVisual
		mathOnVisual
		musicOnVisual
		tactile
		textOnVisual
		true if accessibilityFeature contains
		captions
		ChemML
		describedMath
		latex
		longDescription
		MathML
		signLanguage
		tactileGraphic
		tactileObject
		transcript
		annotations
		rubyAnnotations
		timingControl
		ARIA
		highContrastDisplay
Hazards	Boolean - searched as true/false	true if accessibilityHazards contains any of the following values
		none
		sound
		flashing
		motionSimulation
		noFlashingHazard
		noMotionSimulationHazard
		noSoundHazard
		unknown
Conformance	String - searched as exists	returns any text from the conformsTo field
Certification	String - searched as exists	returns any text from the following fields, along with their field name
		certifiedBy
		certifierCredential
		certifierReport