Function parseLayout

apps/sim/lib/pptx-renderer/model/layout.ts:151–186

(root: SafeXmlNode)

 * Parse a slide layout XML root (`p:sldLayout`) into LayoutData.
 */
export function parseLayout(root: SafeXmlNode): LayoutData {
  const cSld = root.child('cSld')

  // --- Background ---
  const bg = cSld.child('bg')
  const background = bg.exists() ? bg : undefined

  // --- Shape tree ---
  const spTree = cSld.child('spTree')

  // --- Color map override ---
  let colorMapOverride: Map<string, string> | undefined
  const clrMapOvr = root.child('clrMapOvr')
  if (clrMapOvr.exists()) {
    const overrideMapping = clrMapOvr.child('overrideClrMapping')
    if (overrideMapping.exists()) {
      colorMapOverride = parseAllAttributes(overrideMapping)
    }
  }

  // --- Placeholders (recursive so we find title/body inside grpSp; resolve position in slide space) ---
  const placeholders = extractPlaceholdersRecursive(spTree, null)

  // --- showMasterSp: if "0", master shapes should not be rendered for this layout ---
  const showMasterSpAttr = root.attr('showMasterSp')
  const showMasterSp = showMasterSpAttr !== '0'

  return {
    colorMapOverride,
    background,
    placeholders,
    spTree,
    rels: new Map(), // populated later by buildPresentation
    showMasterSp,
  }
}