protected ITextHolderResolver <TContext> FindResolver(TextHolder holder)
{
if (UseDeclaredPreiories)
{
var ret = FindCustomResolver(holder);
if (ret != null)
{
return(ret);
}
}
else
{
foreach (var method in ResolvingMethods)
{
var ret = method(holder);
if (ret != null)
{
return(ret);
}
}
}
if (!holder.IsOptional())
{
LogError("No resolvers found for holder: {0}.", holder);
}
return(null);
}
public void PushContext(IDictionary <string, object> input, ISeekable text, TextHolder parentHolder, bool skipOutput = false, bool disableLogging = false)
{
var holderDefinitions = parentHolder == null ? null : Context.PreparsedHolders.GetOrDefault(parentHolder.Name);
if (parentHolder != null && Context.Holders.ContainsKey(parentHolder.Name))
{
parentHolder = Context.Holders[parentHolder.Name];
}
var newC = new TemplatorParsingContext(skipOutput)
{
Input = input,
ParentHolder = parentHolder,
Logger = disableLogging ? null : (Context != null && Context.Nesting) ? new TemplatorLogger() : Config.Logger,
Text = text ?? Context?.Text,
PreparsedHolders = holderDefinitions?.Children
};
if (Stack == null)
{
Context = newC;
Stack = new Stack <TemplatorParsingContext>();
if (input == null)
{
NoInput = true;
}
return;
}
Stack.Push(Context);
Context = newC;
}
public virtual object ResolveValue(TextHolder holder, TContext mapperContext)
{
if (ResolverMethod == null)
{
return(ResolvedValue);
}
switch (ValueLifeCycle)
{
case ResolveLifeCycle.PerResolve:
return(ResolverMethod(holder, mapperContext));
case ResolveLifeCycle.Singleton:
return(ResolvedValue ?? (ResolvedValue = ResolverMethod(holder, mapperContext)));
case ResolveLifeCycle.PerContext:
if (!mapperContext.Data.ContainsKey(this))
{
mapperContext.Data.Add(this, ResolverMethod(holder, mapperContext));
}
return(mapperContext.Data.GetOrDefault(this));
case ResolveLifeCycle.PerTemplate:
if (!mapperContext.Root.Data.ContainsKey(this))
{
mapperContext.Root.Data.Add(this, ResolverMethod(holder, mapperContext));
}
return(mapperContext.Root.Data.GetOrDefault(this));
default:
return(null);
}
}
public static Pair <string, string> Get2Params(TemplatorParser parser, TextHolder holder, string keyword, string delimitor)
{
var p = new SeekableString((string)holder[keyword]);
var p1 = p.ReadTo(true, parser.Config.EscapePrefix, delimitor);
var p2 = p.Left;
return(new Pair <string, string>(p1, p2));
}
public virtual void OnHolderCreated(string text, TextHolder holder)
{
if (holder != null)
{
Config.OnHolderFound?.Invoke(this, new TemplatorEventArgs {
Holder = holder, Input = Context.Input
});
}
}
public static void SetParentInputCount(TemplatorParser parser, TextHolder holder, int?count)
{
if (parser.ParentContext == null)
{
return;
}
var key = (parser.StackLevel - 1) + holder.Name + "InputCount";
parser.ParentContext[key] = count;
}
public static void SetParentInputIndex(TemplatorParser parser, TextHolder holder, int?index)
{
if (parser.ParentContext == null)
{
return;
}
var key = (parser.StackLevel - 1) + holder.Name + "InputIndex";
parser.ParentContext[key] = index;
}
public static int?GetParentInputIndex(TemplatorParser parser, TextHolder holder)
{
if (parser.ParentContext == null)
{
return(null);
}
var key = (parser.StackLevel - 1) + holder.Name + "InputIndex";
return((int?)parser.ParentContext[key]);
}
public static TextHolder GetHolder(IDictionary <string, object> input, string key, TemplatorConfig config, bool creatIfNoFound = true)
{
TextHolder holder = null;
var holders = input.GetOrDefault(config.KeyHolders) as IDictionary <string, TextHolder>;
if (holders != null && holders.ContainsKey(key))
{
holder = holders[key];
}
return(holder ?? (creatIfNoFound ? new TextHolder(key) : null));
}
public override bool Match(TextHolder holder, T context)
{
if (_matching == null)
{
throw new InvalidOperationException("Custom resolver doesn't have rule to match with the text holders");
}
return(_matching(holder, context) &&
MatchCollection(holder.Children != null, IsCollection) &&
Match(holder.Category, Categories) &&
Match(holder.Name, Names) &&
Match(context.Path, Hierarchies));
}
public static TextHolder Clone(this TextHolder holder)
{
var ret = new TextHolder(holder.Name)
{
Category = holder.Category,
Keywords = holder.Keywords.Select(k => k.Create()).ToList(),
Params = holder.Params.Copy()
};
if (holder.Children != null)
{
ret.Children = holder.Children.ToDictionary(c => c.Key, c => c.Value.Clone());
}
return(ret);
}
private static object KeywordPostParse(TemplatorParser parser, TextHolder holder, object current, TemplatorKeyword key)
{
if (current.IsNullOrEmptyValue() && !key.HandleNullOrEmpty)
{
return(current);
}
var ret = key.OnGetValue(holder, parser, current);
if (((key.ManipulateInput && parser.Config.SaveManipulatedResults) ||
(key.CalculateInput && parser.Config.CacheCalculatedResults)) && !key.IndicatesOptional)
{
parser.CacheValue(holder.Name, ret, true);
}
return(ret);
}
public static object Aggregate(this TemplatorParser parser, object current, TextHolder holder, string aggregateField, IDictionary <string, object> input, Func <object, object, object> aggregateFunc)
{
foreach (var c in aggregateField.Split(Constants.SemiDelimChar))
{
string left;
var fieldName = c.GetUntil(".", out left);
if (!left.IsNullOrWhiteSpace())
{
var list = GetChildCollection(input, fieldName, parser.Config);
current = list.EmptyIfNull().Aggregate(current, (current1, subInput) => parser.Aggregate(current1, holder, left, subInput, aggregateFunc));
}
else
{
var value = GetUnformmatedValue(parser, fieldName, input);
current = aggregateFunc(current, value);
}
}
return(current);
}
public static object GetValue(TemplatorParser parser, TextHolder holder, IDictionary <string, object> input, object defaultRet)
{
object value = null;
if (input != null && input.ContainsKey(holder.Name))
{
value = input[holder.Name];
}
if (value == null)
{
value = holder.Keywords.EmptyIfNull().Where(k => k.CalculateInput && k.OnGetValue != null)
.Aggregate((object)null, (current, k) => KeywordPostParse(parser, holder, current, k));
}
value = value ?? parser.RequireValue(parser, holder, defaultRet, input);
value = holder.Keywords.EmptyIfNull().Where(key => !key.CalculateInput && key.OnGetValue != null)
.Aggregate(value, (current, k) => KeywordPostParse(parser, holder, current, k));
if (parser.Context.ChildResultBefore.Length > 0 || parser.Context.ChildResultAfter.Length > 0)
{
value = String.Concat(parser.Context.ChildResultBefore, value, parser.Context.ChildResultAfter);
}
var logger = parser.Context.ChildLogger as TemplatorLogger;
if (logger != null)
{
foreach (var en in logger.Errors)
{
parser.Context.Logger?.LogError(en.FileName, en.Line, en.Column, en.EndLineNumber, en.EndColumnNumber, en.Message);
}
}
if (null == value)
{
if (defaultRet != null)
{
value = defaultRet;
}
else
{
parser.LogError("'{0}' is required", holder.Name);
}
}
return(value);
}
public object RequireValue(object sender, TextHolder holder, object defaultRet = null, IDictionary <string, object> input = null)
{
var recursiveCheckKey = StackLevel + holder.Name + "$Processing";
var dict = input ?? Context.Input ?? Context.Params;
if ((bool?)dict.GetOrDefault(recursiveCheckKey, null) == true)
{
dict.Remove(recursiveCheckKey);
return(defaultRet);
}
dict[recursiveCheckKey] = true;
if (Config.OnRequireInput != null)
{
var args = new TemplatorEventArgs {
Holder = holder, Input = input ?? Context.Input
};
Config.OnRequireInput(this, args);
dict.Remove(recursiveCheckKey);
return(args.Value ?? defaultRet);
}
dict.Remove(recursiveCheckKey);
return(defaultRet);
}
public static bool EvalulateCondition(TemplatorParser parser, IDictionary <string, object> input, TextHolder holder, string condition, object eav)
{
var not = false;
if (condition != null && condition.StartsWith("!"))
{
not = true;
condition = condition.Substring(1, condition.Length - 1);
}
if (!condition.IsNullOrEmptyValue())
{
eav = GetInputValue(parser, condition, input);
eav = eav ?? parser.RequireValue(parser, GetHolder(input, condition, parser.Config));
}
var hasValue = eav == null || (parser.Config.EmptyAsNulls && eav.IsNullOrEmptyValue());
return(not == hasValue);
}
protected HierarchResolver <TContext> FindHierachyResolver(TextHolder holder)
{
var list = HierarchyResolvers.GetOrDefault(Context.Path);
return(list?.FirstOrDefault(item => item.Match(holder, Context)));
}
public static bool IsCollection(this TextHolder holder)
{
return(holder.Children != null);
}
public static bool EvalulateCondition(TemplatorParser parser, TextHolder holder, string condition, object eav)
{
return(EvalulateCondition(parser, parser.Context.Input, holder, condition, eav));
}
public static int?GetInputIndex(TemplatorParser parser, TextHolder holder)
{
var key = parser.StackLevel + holder.Name + "InputIndex";
return((int?)parser.Context[key]);
}
public static bool ContainsKey(this TextHolder holder, string key)
{
return(holder?.Params != null && holder.Params.ContainsKey(key));
}
public static void SetInputIndex(TemplatorParser parser, TextHolder holder, int?index)
{
var key = parser.StackLevel + holder.Name + "InputIndex";
parser.Context[key] = index;
}
public static bool IsOptional(this TextHolder holder)
{
return(holder.Keywords.Any(k => k.IndicatesOptional));
}
public static void SetInputCount(TemplatorParser parser, TextHolder holder, int?count)
{
var key = parser.StackLevel + holder.Name + "InputCount";
parser.Context[key] = count;
}
public override bool Match(TextHolder holder, T context)
{
return(_name == holder.Name && MatchCollection(holder.Children != null, IsCollection) && Match(holder.Category, Categories) && Match(context.Path, Hierarchies));
}
public abstract bool Match(TextHolder holder, TContext context);
protected NameResolver <TContext> FindNameResolver(TextHolder holder)
{
var list = NameResolvers.GetOrDefault(holder.Name);
return(list?.FirstOrDefault(item => item.Match(holder, Context)));
}
protected ITextHolderResolver <TContext> FindCustomResolver(TextHolder holder)
{
return(CustomResolvers.FirstOrDefault(item => item.Match(holder, Context)));
}
public override bool Match(TextHolder holder, T context)
{
return(_path == context.Path && MatchCollection(holder.Children != null, IsCollection) && Match(holder.Category, Categories) && Match(holder.Name, Names));
}
protected CategoryResolver <TContext> FindCategoryResolver(TextHolder holder)
{
var list = CategoryResolvers.GetOrDefault(holder.Category);
return(list?.FirstOrDefault(item => item.Match(holder, Context)));
}