Mihaela Mihaljevic
4f11bafa28
Re-applies templates to the current node in the current mode, considering only templates of lower import precedence than the one being instantiated, falling back to the built-in rule when none match. Threads the current mode and import precedence through the evaluation context, and moves the transformer runtime types into XSLTRuntime.swift (namespaced, via private aliases) to stay within the file-length and namespacing gates.
45 lines
1.5 KiB
Swift
45 lines
1.5 KiB
Swift
extension PureXML.XSLT {
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/// One produced item: a node for the result tree, or an attribute to attach to
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/// the enclosing element.
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enum ResultItem {
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case node(PureXML.Model.Node)
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case attribute(PureXML.Model.Attribute)
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}
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/// The evaluation context during instantiation.
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struct XSLTContext {
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var node: PureXML.Model.TreeNode
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var position: Int
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var size: Int
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var variables: [String: PureXML.XPath.Value]
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/// The mode of the template currently being instantiated, so `apply-imports`
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/// re-applies in the same mode.
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var mode: String?
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/// The import precedence of the template currently being instantiated, so
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/// `apply-imports` considers only templates below it. `.max` outside a template.
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var importPrecedence: Int
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init(
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node: PureXML.Model.TreeNode,
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position: Int,
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size: Int,
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variables: [String: PureXML.XPath.Value],
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mode: String? = nil,
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importPrecedence: Int = .max,
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) {
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self.node = node
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self.position = position
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self.size = size
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self.variables = variables
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self.mode = mode
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self.importPrecedence = importPrecedence
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}
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}
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/// Shared, mutable signal that an `xsl:message terminate="yes"` fired, carrying
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/// its text. A reference type so the value-semantics transformer can set it.
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final class Termination {
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var message: String?
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}
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}
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