IStoryThread EnchantIntoLink(Func <IStoryThread> linkAction)
{
HarloweEnchantment enchantment = _activeEnchantments.Peek();
foreach (StoryOutput affected in enchantment.Affected)
{
if (!(affected is StoryText))
{
continue;
}
//yield return affected;
if (enchantment.ReferenceType == HarloweEnchantReferenceType.Text)
{
MatchCollection matches = enchantment.Occurences.Matches(affected.Text);
int startCharIndex = 0;
foreach (Match m in matches)
{
// Return text till here
if (m.Index > startCharIndex)
{
yield return(new StoryText(affected.Text.Substring(startCharIndex, m.Index - startCharIndex)));
}
// Return text of this match
yield return(new StoryLink(m.Value, linkAction));
startCharIndex = m.Index + m.Length;
}
// Return remaining text
if (startCharIndex < affected.Text.Length)
{
yield return(new StoryText(affected.Text.Substring(startCharIndex)));
}
}
else
{
// See commented out EnchantIntoLinkUndo
//yield return new TwineLink(affected.Text, () => EnchantIntoLinkUndo(linkAction));
yield return(new StoryLink(affected.Text, linkAction));
}
}
}
protected EmbedFragment enchant(StoryVar reference, HarloweEnchantCommand command, Func <IStoryThread> fragment)
{
bool isHookRef = reference.Value is HarloweHookRef;
string str = isHookRef ? ((HarloweHookRef)reference.Value).HookName : reference.ToString();
List <HarloweEnchantment> enchantments = new List <HarloweEnchantment>();
HarloweEnchantment lastHookEnchantment = null;
for (int i = 0; i < this.Output.Count; i++)
{
StoryOutput output = this.Output[i];
if (isHookRef)
{
// Check if matching hook found in the current group, otherwise skip
if (!(output is StyleGroup))
{
continue;
}
var group = output as StyleGroup;
if (group.Style.Get <string>(HarloweStyleSettings.Hook) != str)
{
continue;
}
// Matching hook was found, but enchantment metadata is not up to date
if (lastHookEnchantment == null || lastHookEnchantment.HookGroup != group)
{
lastHookEnchantment = new HarloweEnchantment()
{
ReferenceType = HarloweEnchantReferenceType.Hook,
Command = command,
HookGroup = group,
Affected = new List <StoryOutput>()
};
enchantments.Add(lastHookEnchantment);
}
// Add all outputs associated with this group
i++;
while (i < this.Output.Count && this.Output[i].BelongsToStyleGroup(group))
{
lastHookEnchantment.Affected.Add(this.Output[i]);
i++;
}
}
else if (output is StoryText)
{
var occurences = new Regex(Regex.Escape(str));
if (occurences.IsMatch(output.Text))
{
enchantments.Add(new HarloweEnchantment {
ReferenceType = HarloweEnchantReferenceType.Text,
Command = command,
Affected = new List <StoryOutput>()
{
output
},
Text = str,
Occurences = occurences
});
}
}
}
return(new EmbedFragment(() => EnchantExecute(enchantments, fragment)));
}
