fixed server to compile with current Nim

server/server.nim

@@ -5,13 +5,12 @@
 #    distribution, for details about the copyright.
 
 import jester, asyncdispatch, json, streams, strutils
-import packages.docutils.rstgen, packages.docutils.highlite
+import packages.docutils.rstgen, packages.docutils.highlite, options
 import ../yaml
 
 routes:
   get "/":
-    headers["Content-Type"] = "text/plain"
-    resp "I am a friendly NimYAML parser webservice."
+    resp(Http200, [("Content-Type", "text/plain")], "I am a friendly NimYAML parser webservice.")
   post "/":
     var
       style: PresentationStyle
@@ -19,10 +18,8 @@ routes:
       msg: string
       retStatus = Http200
       contentType = "application/json"
-    headers["Access-Control-Allow-Origin"] = "*"
-    headers["Pragma"] = "no-cache"
-    headers["Cache-Control"] = "no-cache"
-    headers["Expires"] = "0"
+      headers = @[("Access-Control-Allow-Origin", "*"), ("Pragma", "no-cache"),
+        ("Cache-Control", "no-cache"), ("Expires", "0")]
     try:
       case @"style"
       of "minimal": style = psMinimal
@@ -33,7 +30,7 @@ routes:
       of "tokens":
         var
           output = "+STR\n"
-          parser = newYamlParser()
+          parser = initYamlParser(false)
           events = parser.parse(newStringStream(@"input"))
         for event in events: output.add(parser.display(event) & "\n")
         output &= "-STR"
@@ -44,7 +41,7 @@ routes:
         retStatus = Http400
         msg = "Invalid style: " & escape(@"style")
         contentType = "text/plain;charset=utf8"
-      if isNil(msg):
+      if len(msg) == 0:
         var
           output = newStringStream()
           highlighted = ""
@@ -60,9 +57,9 @@ routes:
           of gtNone, gtWhitespace:
             highlighted.add(substr(output.data, g.start, g.length + g.start - 1))
           else:
-            highlighted.addf("<span class=\"$2\">$1</span>", "\\span$2{$1}", [
+            highlighted.addf("<span class=\"$2\">$1</span>", "\\span$2{$1}",
               esc(outHtml, substr(output.data, g.start, g.length+g.start-1)),
-              tokenClassToStr[g.kind]])
+              tokenClassToStr[g.kind])
 
         resultNode["code"] = %0
         resultNode["output"] = %highlighted
@@ -70,8 +67,8 @@ routes:
     except YamlParserError:
       let e = (ref YamlParserError)(getCurrentException())
       resultNode["code"] = %1
-      resultNode["line"] = %e.line
-      resultNode["column"] = %e.column
+      resultNode["line"] = %e.mark.line
+      resultNode["column"] = %e.mark.column
       resultNode["message"] = %e.msg
       resultNode["detail"] = %e.lineContent
       msg = resultNode.pretty
@@ -86,5 +83,6 @@ routes:
           "\nTrace:\n" & e.getStackTrace
       retStatus = Http500
       contentType = "text/plain;charset=utf-8"
-    resp retStatus, msg, contentType
+    headers.add(("Content-Type", contentType))
+    resp retStatus, headers, msg
 runForever()

yaml/presenter.nim

@@ -805,7 +805,8 @@ proc transform*(input: Stream | string, output: Stream,
   ## while resolving non-specific tags to the ones in the YAML core tag
   ## library. If ``resolveToCoreYamlTags`` is ``true``, non-specific tags will
   ## be replaced by specific tags according to the YAML core schema.
-  doTransform(genInput(input), output, options, resolveToCoreYamlTags)
+  var c = Context(target: output, options: options)
+  doTransform(c, genInput(input), resolveToCoreYamlTags)
 
 proc transform*(input: Stream | string,
                 options: PresentationOptions = defaultPresentationOptions,
@@ -817,5 +818,8 @@ proc transform*(input: Stream | string,
   ## YAML string that represents the stream. If ``resolveToCoreYamlTags`` is
   ## ``true``, non-specific tags will be replaced by specific tags according to
   ## the YAML core schema.
-  result = ""
-  doTransform(genInput(input), addr result, options, resolveToCoreYamlTags)
+  var
+    ss = newStringStream()
+    c = Context(target: ss, options: options)
+  doTransform(c, genInput(input), resolveToCoreYamlTags)
+  return ss.data