protected bool GetMemberNameAndAssociatedType()
{
memberToken = Current.Token;
if (SkipStructuredDelimiters(memberToken.GetAsDelimiter()))
{
memberToken.Invalidate(); return(true);
}
memberId = null;
Context.Entry e = memberToken.GetAsContextEntry();
if (e != null)
{
if (dictionaryAdd == null)
{
if (e.IsText())
{
memberId = e.GetText();
}
else
{
AddError("unable to parse member (" + e.context.name + ") as member name for " + resultType);
}
}
else
{
memberId = e.Resolve(tok, scope); // "dictionary member value will be resolved later";
}
if (e.tokens == Current.tokens)
{
Current.tokenIndex += e.tokenCount - 1;
}
}
else
{
memberId = memberToken.GetAsBasicToken();
}
if (memberId == null)
{
memberToken.index = -1; memberValue = state;
return(true);
}
memberValue = null;
return(CalculateMemberTypeBasedOnName());
}
public override string ToString()
{
Context.Entry pce = meta as Context.Entry;
if (pce != null)
{
Delim d = pce.sourceMeta as Delim;
if (d != null)
{
return(d.ToString());
}
if (IsValid)
{
return(ToString(pce.TextRaw));
}
string output = pce.context.name;
if (pce.IsText())
{
output += "(" + pce.GetText() + ")";
}
return(output);
}
return(Resolve(null, null).ToString());
}
public static void op_ResolveToken(Tokenizer tok, Token token, object scope, out object value, out Type type)
{
value = token.Resolve(tok, scope);
type = (value != null) ? value.GetType() : null;
if (scope == null || type == null)
{
return;
} // no scope, or no data, easy. we're done.
string name = value as string;
if (name == null) // data not a string (can't be a reference from scope), also easy. done.
{
List <object> args = value as List <object>;
if (args != null)
{
for (int i = 0; i < args.Count; ++i)
{
bool remove = false;
switch (args[i])
{
case ",": remove = true; break;
}
if (remove)
{
args.RemoveAt(i--);
}
else
{
op_ResolveToken(tok, new Token(args[i], -1, -1), scope, out value, out type);
args[i] = value;
}
}
value = args;
type = args.GetType();
}
return;
}
Context.Entry e = token.GetAsContextEntry();
if (e != null && e.IsText())
{
return;
} // data is explicitly meant to be a string, done.
switch (name)
{
case "null": value = null; type = null; return;
case "true": value = true; type = typeof(bool); return;
case "false": value = false; type = typeof(bool); return;
}
// otherwise, we search for the data within the given context
Type scopeType = scope.GetType();
KeyValuePair <Type, Type> dType = scopeType.GetIDictionaryType();
if (dType.Key != null)
{
IDictionary dict = scope as IDictionary;
if (dType.Key == typeof(string) && (name.StartsWith(Parser.Wildcard) || name.EndsWith(Parser.Wildcard)))
{
MethodInfo getKey = null;
foreach (var kvp in dict)
{
if (getKey == null)
{
getKey = kvp.GetType().GetProperty("Key").GetGetMethod();
}
string memberName = getKey.Invoke(kvp, null) as string;
if (Parser.IsWildcardMatch(memberName, name))
{
name = memberName;
break;
}
}
}
if (dict.Contains(name))
{
value = dict[name];
}
type = (value != null) ? value.GetType() : null;
return;
}
if (name.StartsWith(Parser.Wildcard) || name.EndsWith(Parser.Wildcard))
{
FieldInfo[] fields = scopeType.GetFields();
string[] names = Array.ConvertAll(fields, f => f.Name);
int index = Parser.FindIndexWithWildcard(names, name, false);
if (index >= 0)
{
value = fields[index].GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
PropertyInfo[] props = scopeType.GetProperties();
names = Array.ConvertAll(props, p => p.Name);
index = Parser.FindIndexWithWildcard(names, name, false);
if (index >= 0)
{
value = props[index].GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
}
else
{
FieldInfo field = scopeType.GetField(name);
if (field != null)
{
value = field.GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
PropertyInfo prop = scopeType.GetProperty(name);
if (prop != null)
{
value = prop.GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
}
}
protected bool TryGetValue()
{
memberValue = null;
Token token = Current.Token;
object meta = token.meta;
if (SkipStructuredDelimiters(meta as Delim))
{
return(true);
}
Context.Entry context = meta as Context.Entry;
if (context != null)
{
bool subContextUsingSameList = context.tokens == Current.tokens;
if (context.IsText())
{
memberValue = context.GetText();
}
else
{
int index = Current.tokenIndex;
List <Token> parseNext = subContextUsingSameList
? Current.tokens.GetRange(index, context.tokenCount)
: context.tokens;
if (memberType == typeof(Expression))
{
memberValue = new Expression(new List <Token>()
{
token
});
}
else
{
if (CodeConvert.IsConvertable(memberType))
{
//Show.Log(memberId + " :: " + memberValue);
memberValue = context.Resolve(tok, scope);
}
else
{
//Show.Log(memberId+" : "+memberValue);
if (!CodeConvert.TryParseTokens(memberType, parseNext, ref memberValue, scope, tok))
{
return(false);
}
}
}
}
if (subContextUsingSameList)
{
Current.tokenIndex += context.tokenCount - 1; // -1 because increment happens after this method
}
return(true);
}
string s = meta as string;
if (s != null)
{
memberValue = token.ToString(s);
if (!CodeConvert.TryConvert(ref memberValue, memberType))
{
AddError("unable to convert (" + memberValue + ") to type '" + memberType + "'");
return(false);
}
return(true);
}
TokenSubstitution sub = meta as TokenSubstitution;
if (sub != null)
{
memberValue = sub.value;
if (!memberType.IsAssignableFrom(memberValue.GetType()) && !CodeConvert.TryConvert(ref memberValue, memberType))
{
AddError("unable to convert substitution (" + memberValue + ") to type '" + memberType + "'");
return(false);
}
return(true);
}
AddError("unable to parse token with meta data " + meta);
return(false);
}
public static void op_ResolveToken(Tokenizer tok, Token token, object scope, out object value, out Type type)
{
value = token.Resolve(tok, scope);
type = (value != null) ? value.GetType() : null;
if (scope == null || type == null)
{
return;
} // no scope, or no data, easy. we're done.
string name = value as string;
if (name == null) // data not a string (can't be a reference from scope), also easy. done.
{
List <object> args = value as List <object>;
if (args != null)
{
for (int i = 0; i < args.Count; ++i)
{
bool remove = false;
op_ResolveToken(tok, new Token(args[i], -1, -1), scope, out value, out type);
switch (value as string)
{
case ",": remove = true; break;
}
if (remove)
{
args.RemoveAt(i--);
}
else
{
args[i] = value;
}
}
value = args;
type = args.GetType();
}
return;
}
Context.Entry e = token.GetAsContextEntry();
if (e != null && e.IsText())
{
return;
} // data is explicitly meant to be a string, done.
switch (name)
{
case "null": value = null; type = null; return;
case "true": value = true; type = typeof(bool); return;
case "false": value = false; type = typeof(bool); return;
}
// otherwise, we search for the data within the given context
Type scopeType = scope.GetType();
KeyValuePair <Type, Type> dType = scopeType.GetIDictionaryType();
if (dType.Key != null)
{
if (dType.Key == typeof(string) &&
(name[0] == (Parser.Wildcard) || name[name.Length - 1] == (Parser.Wildcard)))
{
MethodInfo getKey = null;
IEnumerator en = (IEnumerator)scopeType.GetMethod("GetEnumerator", Type.EmptyTypes).Invoke(scope, new object[] { });
//foreach(var kvp in dict) {
while (en.MoveNext())
{
object kvp = en.Current;
if (getKey == null)
{
getKey = kvp.GetType().GetProperty("Key").GetGetMethod();
}
string memberName = getKey.Invoke(kvp, null) as string;
if (Parser.IsWildcardMatch(memberName, name))
{
name = memberName;
break;
}
}
}
// how to generically interface with standard Dictionary objects
IDictionary dict = scope as IDictionary;
if (dict != null)
{
if (dict.Contains(name))
{
value = dict[name];
}
}
else
{
// how to generically interface with a non standard dictionary
MethodInfo mi = scopeType.GetMethod("ContainsKey", new Type[] { dType.Key });
bool hasIt = (bool)mi.Invoke(scope, new object[] { name });
if (hasIt)
{
mi = scopeType.GetMethod("Get", new Type[] { dType.Key });
value = mi.Invoke(scope, new object[] { name });
}
}
type = (value != null) ? value.GetType() : null;
return;
}
if (name[0] == (Parser.Wildcard) || name[name.Length - 1] == (Parser.Wildcard))
{
FieldInfo[] fields = scopeType.GetFields();
string[] names = Array.ConvertAll(fields, f => f.Name);
int index = Parser.FindIndexWithWildcard(names, name, false);
if (index >= 0)
{
//Show.Log(name+" "+scopeType+" :"+index + " " + names.Join(", ") + " " +fields.Join(", "));
value = fields[index].GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
PropertyInfo[] props = scopeType.GetProperties();
names = Array.ConvertAll(props, p => p.Name);
index = Parser.FindIndexWithWildcard(names, name, false);
if (index >= 0)
{
value = props[index].GetValue(scope, null);
type = (value != null) ? value.GetType() : null;
return;
}
}
else
{
FieldInfo field = scopeType.GetField(name);
if (field != null)
{
value = field.GetValue(scope);
type = (value != null) ? value.GetType() : null;
return;
}
PropertyInfo prop = scopeType.GetProperty(name);
if (prop != null)
{
value = prop.GetValue(scope, null);
type = (value != null) ? value.GetType() : null;
return;
}
}
}
