Mihaela Mihaljevic
255f7508fd
A literal result element copies its in-scope namespace declarations to the result per 7.1.1, minus the XSLT namespace and the namespaces of prefixes listed in exclude-result-prefixes and extension-element-prefixes in scope (#default included); an aliased stylesheet namespace declares its result prefix and URI instead. The fixup pass drops declarations that repeat an inherited binding so the copied nodes do not redeclare per descendant, and created names reuse stylesheet prefixes. xsl:output indent=yes switches to the Xalan indentation form (own lines, no leading spaces). Xalan baseline 446 -> 371 (namespace 89 -> 42).
53 lines
2.2 KiB
Swift
53 lines
2.2 KiB
Swift
@testable import PureXML
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import Testing
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@Suite("XSLT xsl:namespace-alias")
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struct XSLTNamespaceAliasTests {
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private let xsl = "xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\""
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private func transform(_ stylesheet: String, _ source: String) throws -> String {
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try PureXML.XSLT.transform(stylesheet: stylesheet, source: source)
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}
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@Test("A literal element in the aliased namespace is rewritten to the result namespace")
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func test_rewrite() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl) xmlns:a="urn:from" xmlns:b="urn:to">
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<xsl:namespace-alias stylesheet-prefix="a" result-prefix="b"/>
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<xsl:output method="xml" omit-xml-declaration="yes"/>
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<xsl:template match="/"><a:thing/></xsl:template>
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</xsl:stylesheet>
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"""
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// The element's prefix is rewritten from the stylesheet alias to the
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// result, and the serializer declares the result namespace.
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#expect(try transform(style, "<x/>") == "<b:thing xmlns:b=\"urn:to\"/>")
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}
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@Test("A non-aliased literal element still copies in-scope declarations")
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func test_notAliased() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl) xmlns:a="urn:from" xmlns:b="urn:to">
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<xsl:namespace-alias stylesheet-prefix="a" result-prefix="b"/>
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<xsl:output method="xml" omit-xml-declaration="yes"/>
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<xsl:template match="/"><plain/></xsl:template>
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</xsl:stylesheet>
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"""
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#expect(try transform(style, "<x/>") == "<plain xmlns:b=\"urn:to\"/>")
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}
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@Test("namespace-alias can produce literal xsl: elements (stylesheet generation)")
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func test_generateXSL() throws {
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let style = """
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<xsl:stylesheet version="1.0" \(xsl) xmlns:axsl="urn:alias">
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<xsl:namespace-alias stylesheet-prefix="axsl" result-prefix="xsl"/>
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<xsl:output method="xml" omit-xml-declaration="yes"/>
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<xsl:template match="/"><axsl:value-of select="."/></xsl:template>
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</xsl:stylesheet>
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"""
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let out = try transform(style, "<x/>")
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// The aliased axsl: element is emitted as a literal xsl: element, not run.
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#expect(out.contains("xsl:value-of"))
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#expect(!out.contains("axsl"))
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}
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}
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