private Meta(Type t, CommonOptions options)
{
Type = t;
Factory = defaultFactory;
Options = options.Meta ?? MetaOptions.Default;
IsCopyable = Utils.IsStruct(t);
var over = Options.GetOverride(t);
IsCompact = over.HasAttr(Options.CompactAttribute);
var must = over.Attr(Options.MustAttribute);
if (must != null)
{
Must = Options.GetItemKind(must);
}
var all = over.Attr(Options.AllAttribute);
if (all != null)
{
var ok = Options.GetItemOptionalityAndKind(all);
AllOptionality = ok.Item1;
AllKind = ok.Item2;
}
Surrogate = new Surrogate(Type, Options);
foreach (var i in t.GetInterfaces())
{
ExploreType(i, options);
}
ExploreType(t, options);
Surrogate.Complete();
CheckForNoFields(options);
Items.Sort();
Item prev = null;
foreach (var i in Items)
{
if (prev != null && prev.CompareTo(i) == 0)
{
throw Error("Duplicate item {0} / {1}", i.Name, i.Alias);
}
prev = i;
}
var prevTag = "";
foreach (var i in Items)
{
var tag = i.Tag(options);
if (tag == "")
{
throw Error("Empty tag for field '{0}'", i.Name);
}
foreach (var ch in tag)
{
if (ch <= ' ' || ch >= 127)
{
throw Error("Bad character '{0}' in tag for field '{1}'", ch, i.Name);
}
}
if (tag == prevTag)
{
throw Error("Duplicate tag '{0}' for field '{1}'", tag, i.Name);
}
prevTag = tag;
TagToItem.Add(tag, i);
}
AllowReadingFromAncestor = over.HasAttr(Options.AllowReadingFromAncestorAttribute);
if (AllowReadingFromAncestor)
{
var ancestorMeta = Get(t.BaseType, options);
if (ancestorMeta.Items.Count != Items.Count)
{
throw Error(
"Allows reading from ancestor {0}, but has {1} items instead of {2}",
t.BaseType.Name, Items.Count, ancestorMeta.Items.Count);
}
}
var alias = over.Attr(Options.AliasAttribute);
if (alias != null)
{
var aliases = Options.GetReadAliases(alias);
if (aliases != null)
{
Dictionary <string, Type> readAliases = readAliasCache.GetOrAdd(options, MakeReadAliases);
foreach (var a in aliases)
{
if (String.IsNullOrWhiteSpace(a))
{
throw Error("Empty read alias");
}
Type duplicate;
if (readAliases.TryGetValue(a, out duplicate))
{
throw Error("Read alias '{0}' was already defined for '{1}'", a, duplicate.Name);
}
readAliases.Add(a, t);
}
}
WriteAlias = Options.GetWriteAlias(alias);
if (WriteAlias != null && WriteAlias == "")
{
throw Error("Empty write alias");
}
}
if (over.HasAttr(Options.CopyableAttribute))
{
IsCopyable = true;
}
else if (HasAnyTrigger())
{
IsCopyable = false;
}
}
private Meta(Type t, CommonOptions options)
{
Type = t;
Options = options.Meta ?? MetaOptions.Default;
IsCompact = t.IsDefined(Options.CompactAttribute, false);
var must = t.GetCustomAttribute_Compat(Options.MustAttribute, false);
if (must != null)
{
Must = Options.GetItemKind(must);
}
var all = t.GetCustomAttribute_Compat(Options.AllAttribute, false);
if (all != null)
{
var ok = Options.GetItemOptionalityAndKind(all);
AllOptionality = ok.Item1;
AllKind = ok.Item2;
}
Surrogate = new Surrogate(Type, Options);
foreach (var i in t.GetInterfaces())
{
ExploreType(i);
}
ExploreType(t);
Surrogate.Complete();
if (Utils.GetICollection(t) != null)
{
if (Items.Count > 0)
{
throw Error("Serializable fields in collection are not supported");
}
}
else if (
!options.AllowEmptyTypes && Items.Count == 0 && !(t.IsInterface || t.IsAbstract) &&
Surrogate.SurrogateType == null
)
{
throw Error("No serializable fields");
}
Items.Sort();
Item prev = null;
foreach (var i in Items)
{
if (prev != null && prev.CompareTo(i) == 0)
{
throw Error("Duplicate item {0} / {1}", i.Name, i.Alias);
}
prev = i;
}
var prevTag = "";
foreach (var i in Items)
{
var tag = i.Tag(options);
if (tag == "")
{
throw Error("Empty tag for field '{0}'", i.Name);
}
foreach (var ch in tag)
{
if (ch <= ' ' || ch >= 127)
{
throw Error("Bad character '{0}' in tag for field '{1}'", ch, i.Name);
}
}
if (tag == prevTag)
{
throw Error("Duplicate tag '{0}' for field '{1}'", tag, i.Name);
}
prevTag = tag;
TagToItem.Add(tag, i);
}
AllowReadingFromAncestor = t.IsDefined(Options.AllowReadingFromAncestorAttribute, false);
if (AllowReadingFromAncestor)
{
var ancestorMeta = Get(t.BaseType, options);
if (ancestorMeta.Items.Count != Items.Count)
{
throw Error(
"Allows reading from ancestor {0}, but has {1} items instead of {2}",
t.BaseType.Name, Items.Count, ancestorMeta.Items.Count);
}
}
var alias = t.GetCustomAttribute_Compat(Options.AliasAttribute, false);
if (alias != null)
{
var aliases = Options.GetReadAliases(alias);
if (aliases != null)
{
Dictionary <string, Type> readAliases;
if (!readAliasCache.TryGetValue(options, out readAliases))
{
readAliases = new Dictionary <string, Type>();
readAliasCache.Add(options, readAliases);
}
foreach (var a in aliases)
{
try {
if (String.IsNullOrWhiteSpace(a))
{
throw Error("Empty read alias");
}
readAliases.Add(a, t);
} catch (ArgumentException) {
throw Error("Duplicate read alias '{0}'", a);
}
}
}
WriteAlias = Options.GetWriteAlias(alias);
if (WriteAlias != null && WriteAlias == "")
{
throw Error("Empty write alias");
}
}
}