d

toSwift

@@ -1,3 +1,41 @@
 #!/usr/bin/env node
 
-console.log("Converting to Swift");
+if (process.argv.length < 4) {
+  console.error("Usage: toSwift SRC DST");
+  process.exit(1);
+}
+
+var fs = require("fs");
+
+let fileSrc = process.argv[2];
+let fileDst = process.argv[3];
+
+let replacements = {
+  "function": "func",
+  "number": "Float",
+  "):": ") ->",
+};
+
+console.log(`Converting '${fileSrc}' to '${fileDst}'`);
+
+var linesDst = [];
+let linesSrc = fs.readFileSync(fileSrc).toString().split(/\r?\n/);
+for (let i in linesSrc) {
+  let ln = linesSrc[i];
+  linesDst.push(convert(ln));
+}
+
+let contentsDst = linesDst.join("\r\n");
+fs.writeFileSync(fileDst, contentsDst);
+
+
+// Functions making decisions.
+
+function convert(line) {
+  var result = line;
+  for (let src in replacements) {
+    let dst = replacements[src];
+    result = result.replace(src, dst);
+  }
+  return result;
+}