new argument-type for messages: items.

not the most efficient, since it takes a deep copy of the list.

src/common/gamecode/report.c

@@ -1989,28 +1989,18 @@ report_plaintext(const char * filename, report_context * ctx)
   {
     int maxh = maxheroes(f);
     if (maxh) {
-      m = msg_message("nr_heroes", "units maxunits", countheroes(f), maxh);
-      nr_render(m, f->locale, buf, sizeof(buf), f);
-      msg_release(m);
+      message * msg = msg_message("nr_heroes", "units maxunits", countheroes(f), maxh);
+      nr_render(msg, f->locale, buf, sizeof(buf), f);
+      msg_release(msg);
       centre(F, buf, true);
     }
   }
 #endif
 
   if (f->items!=NULL) {
-    item * iclaim = f->items;
-    char * edit = buf;
-    strcpy(edit, LOC(f->locale, "claimable"));
-    edit += strlen(edit);
-    while (iclaim!=NULL) {
-      sprintf(edit, "%d %s", iclaim->number, 
-        LOC(f->locale, resourcename(iclaim->type->rtype, (iclaim->number!=1)?NMF_PLURAL:0)));
-      iclaim = iclaim->next;
-      if (iclaim!=NULL) {
-        strcat(edit, ", ");
-      }
-      edit += strlen(edit);
-    }
+    message * msg = msg_message("nr_claims", "items", f->items);
+    nr_render(msg, f->locale, buf, sizeof(buf), f);
+    msg_release(msg);
     rnl(F);
     centre(F, buf, true);
   }
@@ -3169,9 +3159,9 @@ eval_race(struct opstack ** stack, const void * userdata)
 static void
 eval_order(struct opstack ** stack, const void * userdata) /* order -> string */
 {
-	const faction * report = (const faction*)userdata;
-	const struct order * ord = (const struct order *)opop(stack).v;
-	static char buf[256];
+  const faction * report = (const faction*)userdata;
+  const struct order * ord = (const struct order *)opop(stack).v;
+  static char buf[256];
   size_t len;
   variant var;
 
@@ -3181,6 +3171,34 @@ eval_order(struct opstack ** stack, const void * userdata) /* order -> string */
   opush(stack, var);
 }
 
+static void
+eval_items(struct opstack ** stack, const void * userdata) /* order -> string */
+{
+  const faction * report = (const faction*)userdata;
+  const struct item * itm = (const struct item *)opop(stack).v;
+  static char buf[256];
+  size_t len = sizeof(buf);
+  variant var;
+
+  char * edit = buf;
+  while (itm!=NULL && len > 4) {
+    const char * rname = resourcename(itm->type->rtype, (itm->number!=1)?NMF_PLURAL:0);
+    int written = snprintf(edit, len, "%d %s", itm->number, LOC(report->locale, rname));
+    len -= written;
+    edit += written;
+
+    itm = itm->next;
+    if (itm!=NULL && len>2) {
+      strcat(edit, ", ");
+      edit += 2;
+      len -= 2;
+    }
+  }
+  *edit = 0;
+  var.v = strcpy(balloc(edit-buf+1), buf);
+  opush(stack, var);
+}
+
 static void
 eval_direction(struct opstack ** stack, const void * userdata)
 {
@@ -3241,6 +3259,7 @@ report_init(void)
 	add_function("int36", &eval_int36);
 	add_function("trail", &eval_trail);
   add_function("spell", &eval_spell);
+  add_function("items", &eval_items);
 
   register_reporttype("nr", &report_plaintext, 1<<O_REPORT);
   register_reporttype("txt", &report_template, 1<<O_ZUGVORLAGE);

src/common/kernel/reports.c

@@ -1694,6 +1694,29 @@ var_free_order(variant x)
   free_order(x.v);
 }
 
+static variant
+var_copy_items(variant x)
+{
+  item * isrc, * idst = NULL, ** iptr = &idst;
+
+  for (isrc = (item*)x.v; isrc!=NULL; isrc=isrc->next) {
+    item * itm = malloc(sizeof(item));
+    itm->number = isrc->number;
+    itm->type = isrc->type;
+    *iptr = itm;
+    iptr = &itm->next;
+  }
+  *iptr = NULL;
+  x.v = idst;
+  return x;
+}
+
+static void
+var_free_items(variant x)
+{
+  i_freeall((item**)&x.v);
+}
+
 void
 reports_init(void)
 {
@@ -1712,6 +1735,7 @@ reports_init(void)
   register_argtype("int", NULL, NULL, VAR_INT);
   register_argtype("string", var_free_string, var_copy_string, VAR_VOIDPTR);
   register_argtype("order", var_free_order, var_copy_order, VAR_VOIDPTR);
+  register_argtype("items", var_free_items, var_copy_items, VAR_VOIDPTR);
 
   /* register alternative visibility functions */
   register_function((pf_generic)view_neighbours, "view_neighbours");

src/res/messages.xml

@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <messages>
+  <message name="nr_claims" section="nr">
+    <type>
+      <arg name="items" type="items"/>
+    </type>
+    <text locale="de">"Einheiten können die folgenden Gegenstände beanspruchen: $items($items)"</text>
+    <text locale="en">"Units can claim the following items: $items($items)"</text>
+  </message>
   <message name="sighting" section="events">
     <type>
       <arg name="region" type="region"/>