Merge remote-tracking branch 'origin/master'

scripts/GenerateNLVersion.kt

@@ -0,0 +1,125 @@
+import org.w3c.dom.Attr
+import org.w3c.dom.Document
+import org.w3c.dom.Node
+import org.w3c.dom.NodeList
+import java.io.File
+import java.io.FileOutputStream
+import java.util.concurrent.TimeUnit
+import javax.xml.parsers.DocumentBuilderFactory
+import javax.xml.transform.TransformerFactory
+import javax.xml.transform.dom.DOMSource
+import javax.xml.transform.stream.StreamResult
+import javax.xml.xpath.XPathConstants
+import javax.xml.xpath.XPathFactory
+
+/**
+ * The scripts generates no ligature version of JetBrains Mono called JetBrains Mono NL
+ *
+ * ttx command is required to run this script
+ *
+ * @author Konstantin Bulenkov
+ */
+@Suppress("RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+fun main() {
+    File("./ttf/")
+            .listFiles { _, name -> name.endsWith(".ttf") && !name.startsWith("JetBrainsMonoNL") }
+            .forEach {
+                val ttx = it.nameWithoutExtension + ".ttx"
+                val dir = it.parentFile
+                File(dir, ttx).deleteAndLog()
+                val doc = ttf2Document(it)
+                File(dir, ttx).deleteAndLog()
+                if (doc != null) {
+                    generateNoLigaturesFont(File(dir, it.name), doc)
+                }
+            }
+}
+
+fun ttf2Document(file: File): Document? {
+    "ttx ${file.name}".runCommand(file.parentFile)
+    val ttx = file.parentFile.listFiles { _, name -> name == "${file.nameWithoutExtension}.ttx" }?.first() ?: return null
+    val documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+    return documentBuilder.parse(ttx)
+}
+
+fun generateNoLigaturesFont(file: File, doc: Document) {
+    val nlName = file.nameWithoutExtension.replace("JetBrainsMono", "JetBrainsMonoNL")
+    val ttx = "$nlName.ttx"
+    val ttf = "$nlName.ttf"
+    val dir = File(file.parentFile, "No ligatures")
+    File(dir, ttf).deleteAndLog()
+    doc.removeLigas("/ttFont/GlyphOrder", "GlyphID")
+    doc.removeLigas("/ttFont/glyf", "TTGlyph")
+    doc.removeLigas("/ttFont/hmtx", "mtx")
+    doc.removeLigas("/ttFont/post/extraNames", "psName")
+    doc.removeLigas("/ttFont/GDEF/GlyphClassDef", "ClassDef", attName = "glyph")
+    doc.removeNode("/ttFont/GPOS")
+    doc.removeNode("/ttFont/GSUB")
+
+    val xPath = XPathFactory.newInstance().newXPath()
+    val nameRecords = (xPath.evaluate("/ttFont/name/namerecord", doc, XPathConstants.NODESET) as NodeList).asList()
+    nameRecords.forEach {
+        if (!it.textContent.contains("trademark")) {
+            it.textContent = it.textContent
+                .replace("JetBrains Mono", "JetBrains Mono NL")
+                .replace("JetBrainsMono", "JetBrainsMonoNL")
+        }
+    }
+
+    val ttxFile = File(dir, ttx)
+    doc.saveAs(ttxFile)
+    "ttx $ttx".runCommand(dir)
+    ttxFile.deleteAndLog()
+}
+
+class NodeListWrapper(val nodeList: NodeList) : AbstractList<Node>(), RandomAccess {
+    override val size: Int
+        get() = nodeList.length
+
+    override fun get(index: Int): Node = nodeList.item(index)
+}
+
+////////////////////// Utility functions and data classes //////////////////////
+
+fun NodeList.asList(): List<Node> = NodeListWrapper(this)
+
+fun String.runCommand(workingDir: File) {
+    ProcessBuilder(*split(" ").toTypedArray())
+        .directory(workingDir)
+        .redirectOutput(ProcessBuilder.Redirect.INHERIT)
+        .redirectError(ProcessBuilder.Redirect.INHERIT)
+        .start()
+        .waitFor(1, TimeUnit.MINUTES)
+}
+
+fun Document.saveAs(file: File) {
+    val transformer = TransformerFactory.newInstance().newTransformer()
+    transformer.transform(DOMSource(this), StreamResult(FileOutputStream(file)))
+}
+
+fun Document.removeLigas(parentPath: String, nodeName: String, attName:String = "name") {
+    val xPath = XPathFactory.newInstance().newXPath()
+    val parent = xPath.evaluate(parentPath, this, XPathConstants.NODE) as Node
+    val nodeFilter = "$parentPath/$nodeName[substring(@$attName, string-length(@$attName)-4) = '.liga']"
+    val nodes = (xPath.evaluate(nodeFilter, this, XPathConstants.NODESET) as NodeList).asList()
+    nodes.forEach { parent.removeChild(it) }
+}
+
+fun Document.removeNode(path: String) {
+    val xPath = XPathFactory.newInstance().newXPath()
+    val parent = xPath.evaluate(path.substringBeforeLast("/"), this, XPathConstants.NODE)
+    if (parent is Node) {
+        val child = xPath.evaluate(path, this, XPathConstants.NODE)
+        if (child is Node) {
+            parent.removeChild(child)
+        }
+    }
+}
+
+fun File.deleteAndLog() {
+    if (!exists()) return
+    println("Deleting $absolutePath")
+    val result = delete()
+    println("[$result]".toUpperCase())
+    if (!result) deleteOnExit()
+}