*** empty log message ***

git-svn-id: file:///var/svn/lua-iconv/trunk@16 9538949d-8f27-0410-946f-ce01ef448559

iconv.lua

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+
+-- Common locations (add new ones if needed).
+local locs = {
+    -- Unices
+    "libluaiconv.so",
+    "./libluaiconv.so",
+    "/usr/lib/libluaiconv.so",
+    "/usr/local/lib/libluaiconv.so",
+    "/usr/local/lib/lua/5.0/lib/libluaiconv.so",
+
+    -- Windows
+    "libluaiconv.dll",
+    "luaiconv.dll",
+    ".\\luaiconv.dll",
+    ".\\libluaiconv.dll",
+    "c:\\lua\\lib\\libluaiconv.dll"
+}
+
+local loadiconv, fname, ndx
+for ndx, fname in ipairs(locs) do
+  loadiconv = loadlib(fname, "luaopen_iconv")
+  if loadiconv then
+    break
+  end
+end
+
+assert(loadiconv, "Can't load Lua-iconv")
+loadiconv()
+
+
+
+
+
+-- An useful extension: Detects automatically the charset of the string
+-- and returns it on the chosen one.
+
+iconv.commoncharsets = {
+    "ascii", "iso-8859-1", "utf-8", "utf-16", "windows-1252"
+}
+
+iconv.autoconvert = function(tocode, str)
+  local _, fromcode, cd, ret, err
+  for _, fromcode in pairs(iconv.commoncharsets) do
+    cd = iconv.new(tocode, fromcode)
+    ret, err = cd:iconv(str)
+    if not err then
+      return ret
+    end
+  end
+  return nil
+end
+