stable 2010-05-24 13:10

1 files changed, 66 insertions, 0 deletions

diff --git a/tex/context/base/mult-chk.lua b/tex/context/base/mult-chk.lua
new file mode 100644
index 000000000..bdbd1dd22
--- /dev/null
+++ b/tex/context/base/mult-chk.lua
@@ -0,0 +1,66 @@
+if not modules then modules = { } end modules ['mult-chk'] = {
+    version   = 1.001,
+    comment   = "companion to mult-chk.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local format = string.format
+local lpegmatch = lpeg.match
+local type = type
+local texsprint, ctxcatcodes = tex.sprint, tex.ctxcatcodes
+
+interfaces = interfaces or { }
+
+interfaces.syntax = {
+    test = { keys = table.tohash { "a","b","c","d","e","f","g" } }
+}
+
+function interfaces.invalidkey(kind,key)
+    commands.writestatus("syntax","invalid key '%s' for '%s' in line %s",key,kind,tex.inputlineno)
+end
+
+function interfaces.setvalidkeys(kind,list)
+    local s = interfaces.syntax[kind]
+    if not s then
+        interfaces.syntax[kind] = {
+            keys = aux.settings_to_set(list)
+        }
+    else
+        s.keys = aux.settings_to_set(list)
+    end
+end
+
+function interfaces.addvalidkeys(kind,list)
+    local s = interfaces.syntax[kind]
+    if not s then
+        interfaces.syntax[kind] = {
+            keys = aux.settings_to_set(list)
+        }
+    else
+        aux.settings_to_set(list,s.keys)
+    end
+end
+
+local prefix, kind, keys
+
+local function set(key,value)
+    if keys and not keys[key] then
+        interfaces.invalidkey(kind,key)
+    else
+        texsprint(ctxcatcodes,format("\\setsomevalue{%s}{%s}{%s}",prefix,key,value))
+    end
+end
+
+local pattern = aux.make_settings_to_hash_pattern(set,"tolerant")
+
+function commands.getcheckedparameters(k,p,s)
+    if s and s ~= "" then
+        prefix, kind = p, k
+        keys = k and k ~= "" and interfaces.syntax[k].keys
+        lpegmatch(pattern,s)
+    end
+end
+
+_gcp_ = commands.getcheckedparameters