closes #117

seems that eXist behavior changed, empty string != empty - thats for
sure.

modules/fontane/index-api.xqm

@@ -20,8 +20,6 @@ import module namespace config="http://textgrid.de/ns/SADE/config" at "../config
 import module namespace ixp="http://fontane-nb.dariah.eu/index-processor" at "index-processor.xqm";
 import module namespace rest="http://exquery.org/ns/restxq";
 
-declare variable $index:dataPath := "/db/sade-projects/textgrid/data/xml/data";
-
 (:~
  : resolves and lists all references on a given page based on their index data
  :
@@ -58,14 +56,14 @@ declare
 
 function index:entites-per-page($uri as xs:string, $surface as xs:string)
 as element(xhtml:ul)* {
-let $docpath := $index:dataPath || "/" || $uri || ".xml"
+let $docpath := $ixp:dataPath || $uri || ".xml"
 let $surface := tokenize($surface, "-")
 
 (: test for document available :)
 return
   if(not(doc-available($docpath)))
   then
-    let $docsInDb := collection($index:dataPath)//tei:sourceDoc
+    let $docsInDb := $ixp:dataCollection//tei:sourceDoc
         /replace(base-uri(), "\.xml|/|db|sade-projects|textgrid|data|xml", "")
         => string-join(", ")
     return
@@ -101,7 +99,7 @@ return
       element xhtml:ul {
         for $entity in $entities[substring-before(., ":") = $group]
         let $ref := substring-after($entity, ":")
-        let $index := (collection($index:dataPath)/id($ref))[1]
+        let $index := ($ixp:dataCollection/id($ref))[1]
         let $name := string($index/*[1])
         let $list := index:get-list-by-id($ref)
         let $href := "register.html?e=" || $ref
@@ -159,7 +157,7 @@ declare
 
 function index:get-list-by-id($id as xs:string)
 as xs:string {
-let $entity := collection($index:dataPath)/id($id)[ not(. instance of element(tei:handNote) ) ]
+let $entity := $ixp:dataCollection/id($id)[ not(. instance of element(tei:handNote) ) ]
 let $test := if($entity[2]) then error(QName("FONTANE", "INDEX-API3"), "Entity »" || $id || "« has more then one occurence." ) else ()
 return
     switch ( $entity/local-name() )
@@ -214,7 +212,7 @@ declare
   %test:assertTrue
 function index:rendered-entity($id as xs:string)
 as item()* {
-    let $node := collection($index:dataPath)/id($id)
+    let $node := $ixp:dataCollection/id($id)
     let $type := $node/root()//tei:body/*[1]/local-name()
                 (: listEvent, listPlace, listOrg, listPerson or list :)
     return
@@ -252,6 +250,7 @@ declare
 
   %test:name("simple search")
   %test:arg("query", "Dom Karlos")
+  %test:arg("index", "listEvent,listOrg,listPerson,listPlace,list-works,list-Fontane,list-periodicals")
   %test:assertXPath("array:size($result) = 2")
 
 function index:search($query as xs:string, $index)
@@ -261,12 +260,12 @@ return if(string-length($query) lt 2) then () else
 let $prepare := tokenize($index, ",")
 let $hits :=
 (
-  collection($index:dataPath)//tei:person[contains(tei:persName, $query)],
-  collection($index:dataPath)//tei:personGrp[contains(tei:persName, $query)],
-  collection($index:dataPath)//tei:place[contains(tei:placeName, $query)],
-  collection($index:dataPath)//tei:org[contains(tei:orgName, $query)],
-  collection($index:dataPath)//tei:event[contains(tei:label, $query)],
-  collection($index:dataPath)//tei:item[tei:name/contains(., $query) = true()]
+  $ixp:dataCollection//tei:person[contains(tei:persName, $query)],
+  $ixp:dataCollection//tei:personGrp[contains(tei:persName, $query)],
+  $ixp:dataCollection//tei:place[contains(tei:placeName, $query)],
+  $ixp:dataCollection//tei:org[contains(tei:orgName, $query)],
+  $ixp:dataCollection//tei:event[contains(tei:label, $query)],
+  $ixp:dataCollection//tei:item[tei:name/contains(., $query) = true()]
 )
 return
     array{
@@ -300,9 +299,9 @@ declare
 
   %test:arg("id", "Arnoldi-Denkmal")
   %test:arg("type", "plc")
-  %test:assertTrue
+  %test:assertXPath("$result?1 => exists()")
 function index:rendered-entity($type as xs:string, $id as xs:string)
-as item()* {
+as array(*) {
     let $request :=
       <hc:request
         method="get"

modules/fontane/index-processor.xqm

@@ -32,6 +32,7 @@ declare variable $ixp:notebookParam := try {request:get-parameter('nb', '')} cat
 declare variable $ixp:getNotebook := $ixp:targetStart || $ixp:notebookParam;
 
 declare variable $ixp:dataCollection := collection($config:data-root || "/data");
+declare variable $ixp:dataPath := '/db/sade-projects/textgrid/data/xml/data/';
 
 (:~
  : Helper function to collect all main nodes from the index files.

modules/fontane/misc.xqm

@@ -12,7 +12,7 @@ declare variable $f-misc:metadata-collection :=  collection("/db/sade-projects/t
 
 declare
   %test:arg("baseUri","textgrid:16b00") %test:assertEquals("Notizbuch C7")
-  %test:arg("baseUri","") %test:assertEquals("")
+  %test:arg("baseUri","") %test:assertEmpty
 function f-misc:get-title-by-baseUri($baseUri as xs:string)
 as xs:string? {
   if($baseUri = "") then () else