/// <summary>
/// Set a merge field value within the specified scope.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="scopeReference">root|parent|current</param>
public override void SetMergeField(string key, object value, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current)
{
var localScope = _contextScopeInternalField.GetValue(_context) as Scope;
if (scope == LavaContextRelativeScopeSpecifier.Current)
{
_context.SetValue(key, value);
}
else if (scope == LavaContextRelativeScopeSpecifier.Parent)
{
var parentScope = _scopeParentInternalField.GetValue(localScope) as Scope ?? localScope;
parentScope.SetValue(key, FluidValue.Create(value, _context.Options));
}
else if (scope == LavaContextRelativeScopeSpecifier.Root)
{
var parentScope = _contextScopeInternalField.GetValue(_context) as Scope;
var outerScope = _scopeParentInternalField.GetValue(parentScope) as Scope;
while (outerScope != null)
{
parentScope = outerScope;
outerScope = _scopeParentInternalField.GetValue(outerScope) as Scope;
}
parentScope.SetValue(key, FluidValue.Create(value, _context.Options));
}
else
{
throw new LavaException($"SetMergeFieldValue failed. Scope reference \"{ scope }\" is invalid.");
}
}
/// <summary>
/// Sets a named value that is available to be resolved in the Lava Template.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="scope"></param>
public override void SetMergeField(string key, object value, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current)
{
int scopeIndex;
// DotLiquid Scopes are ordered with the current level first.
if (scope == LavaContextRelativeScopeSpecifier.Root)
{
scopeIndex = _context.Scopes.Count - 1;
}
else if (scope == LavaContextRelativeScopeSpecifier.Parent && _context.Scopes.Count > 1)
{
scopeIndex = 1;
}
else
{
scopeIndex = 0;
}
var fieldValue = GetDotLiquidCompatibleValue(value);
// Set the variable in the specified scope.
_context.Scopes[scopeIndex][key] = fieldValue;
}
/// <summary> /// Sets a named value that is available to be resolved in the Lava Template. /// </summary> /// <param name="key"></param> /// <param name="value"></param> /// <param name="scope"></param> public abstract void SetMergeField(string key, object value, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current);
/// <summary>
/// Set a merge field value within the specified scope.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="scopeReference">root|parent|current</param>
private void SetFieldPrivate(string key, object value, bool allowInternalFieldAccess, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current)
{
if (!allowInternalFieldAccess && key.StartsWith(_InternalFieldKeyPrefix))
{
throw new Exception("SetFieldValue failed. Invalid key.");
}
var localScope = _contextScopeInternalField.GetValue(_context) as Scope;
if (scope == LavaContextRelativeScopeSpecifier.Current)
{
_context.SetValue(key, value);
}
else if (scope == LavaContextRelativeScopeSpecifier.Parent)
{
var parentScope = localScope.Parent ?? localScope;
parentScope.SetValue(key, FluidValue.Create(value, _context.Options));
}
else if (scope == LavaContextRelativeScopeSpecifier.Root)
{
var parentScope = _contextScopeInternalField.GetValue(_context) as Scope;
var outerScope = parentScope.Parent;
while (outerScope != null)
{
parentScope = outerScope;
outerScope = outerScope.Parent;
}
parentScope.SetValue(key, FluidValue.Create(value, _context.Options));
}
else
{
throw new LavaException($"SetMergeFieldValue failed. Scope reference \"{ scope }\" is invalid.");
}
}
/// <summary>
/// Set a merge field value within the specified scope.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="scopeReference">root|parent|current</param>
public override void SetMergeField(string key, object value, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current)
{
SetFieldPrivate(key, value, allowInternalFieldAccess: false, scope);
}
public override void SetMergeField(string key, object value, LavaContextRelativeScopeSpecifier scope = LavaContextRelativeScopeSpecifier.Current)
{
_mergeFields.SetValue(key, value);
}