added a little spike of a little std.dom API to make the W3C DOM API a little kooler

This commit is contained in:
James Strachan
2012-02-06 16:49:49 +00:00
parent 5057bf732e
commit a3cd65f10e
7 changed files with 173 additions and 0 deletions
+15
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="module" module-name="stdlib" exported="" />
<orderEntry type="module" module-name="testlib" exported="" />
</component>
</module>
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package stdlib.testall;
import junit.framework.TestSuite;
import test.dom.*;
/**
*/
public class DomTestAllTest {
public static TestSuite suite() {
return new TestSuite(DomTest.class);
}
}
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package stdlib.testall;
import junit.framework.TestSuite;
import test.collections.*;
import test.standard.*;
/**
*/
public class TestAll {
public static TestSuite suite() {
TestSuite suite = new TestSuite(GetOrElseTest.class, test.stdlib.issues.StdLibIssuesTest.class, StandardCollectionTest.class, CollectionTest.class, IoTest.class, ListTest.class, MapTest.class, SetTest.class, OldStdlibTest.class);
suite.addTest(testDslExample.namespace.getSuite());
return suite;
}
}
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</component>
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/runtests/runtests.iml" filepath="$PROJECT_DIR$/runtests/runtests.iml" />
<module fileurl="file://$PROJECT_DIR$/stdlib/stdlib.iml" filepath="$PROJECT_DIR$/stdlib/stdlib.iml" />
<module fileurl="file://$PROJECT_DIR$/testlib/testlib.iml" filepath="$PROJECT_DIR$/testlib/testlib.iml" />
</modules>
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package std.dom
import org.w3c.dom.*
import javax.xml.parsers.DocumentBuilder
import javax.xml.parsers.DocumentBuilderFactory
import std.getOrElse
// Properties
var Element.id : String
get() = this.getAttribute("id").getOrElse("")
set(value) {
this.setAttribute("id", value)
}
var Element.style : String
get() = this.getAttribute("style").getOrElse("")
set(value) {
this.setAttribute("style", value)
}
var Element.cssClass : String
get() = this.getAttribute("class").getOrElse("")
set(value) {
this.setAttribute("class", value)
}
// Syntax sugar
inline fun Node.plus(child: Node?): Node {
if (child != null) {
this.appendChild(child)
}
return this
}
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/**
* JVM specific API implementations using JAXB and so forth which would not be used when compiling to JS
*/
package std.dom
import org.w3c.dom.*
import javax.xml.parsers.DocumentBuilder
import javax.xml.parsers.DocumentBuilderFactory
import javax.xml.transform.Transformer
import javax.xml.transform.TransformerFactory
import javax.xml.transform.Source
import javax.xml.transform.dom.DOMSource
import javax.xml.transform.stream.StreamResult
import java.io.StringWriter
import javax.xml.transform.OutputKeys
fun createDocument(builder: DocumentBuilder): Document {
return builder.newDocument().sure()
}
fun createDocument(builderFactory: DocumentBuilderFactory = DocumentBuilderFactory.newInstance().sure()): Document {
return createDocument(builderFactory.newDocumentBuilder().sure())
}
fun createTransformer(source: Source? = null, factory: TransformerFactory = TransformerFactory.newInstance().sure()): Transformer {
val transformer = if (source != null) {
factory.newTransformer(source)
} else {
factory.newTransformer()
}
return transformer.sure()
}
fun Node.toXmlString(xmlDeclaration: Boolean = this is Document): String {
return nodeToXmlString(this, xmlDeclaration)
}
/*
fun Document.toXmlString(xmlDeclaration: Boolean = true): String {
return nodeToXmlString(this, xmlDeclaration)
}
*/
fun nodeToXmlString(node: Node, xmlDeclaration: Boolean): String {
val transformer = createTransformer()
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, if (xmlDeclaration) "no" else "yes")
val buffer = StringWriter()
transformer.transform(DOMSource(node), StreamResult(buffer))
return buffer.toString().sure()
}
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package test.dom
import std.*
import std.dom.*
import stdhack.test.TestSupport
import stdhack.test.*
import stdhack.test.assertNull
import org.w3c.dom.*
import stdhack.test.assertEquals
import std.dom.toXmlString
class DomTest() : TestSupport() {
fun testCreateDocument() {
var doc = createDocument()
assertNotNull(doc, "Should have created a document")
val e = doc.createElement("foo").sure()
assertCssClass(e, "")
// now lets update the cssClass property
e.cssClass = "foo"
assertCssClass(e, "foo")
// now using the attribute directly
e.setAttribute("class", "bar")
assertCssClass(e, "bar")
doc += e
println("document ${doc.toXmlString()}")
}
fun assertCssClass(e: Element, value: String?): Unit {
val cl = e.cssClass
val cl2 = e.getAttribute("class")
println("element ${e.toXmlString()} has cssClass `${cl}` class attr `${cl2}`")
assertEquals(value, cl, "value of element.cssClass")
assertEquals(value, cl2, "value of element.getAttribute(\"class\")")
}
}