public static string ReplaceInLineConditionals(string text, List <FlagValue> flags)
{
var conditionBoundsPattern = @"\{([^\~\{]*?)\:([^\{]*?)(\|([^\{]*?))?\}";
var orPattern = @"(^\s*|\s*$)";
var andPattern = @"\s*(&&|\band\b)\s*";
var notPattern = @"\s*(\!|\bnot\b)\s*(.+?)\s*$";
var count = 0;
var matches = Regex.Matches(text, conditionBoundsPattern);
foreach (Match match in matches)
{
count++;
if (count > 1000)
{
throw new System.Exception("Error in conditional!");
}
if (matches.Count > 0)
{
var conditions = new List <string> ();
var notConditions = new List <string> ();
// Search "and" conditions
var conditionMatches = Regex.Split(match.Groups [1].Value, andPattern);
for (var i = 0; i < conditionMatches.Length; i++)
{
// Is not an "and" condition
if (conditionMatches [i] != "&&" && conditionMatches [i] != "and")
{
// Search "not" conditions
var notPatternMatches = Regex.Match(conditionMatches [i], notPattern);
// Is a "not condition"
if (notPatternMatches.Success)
{
notConditions.Add(notPatternMatches.Groups [2].Value.Replace(orPattern, ""));
}
else
{
conditions.Add(conditionMatches [i].Replace(orPattern, ""));
}
}
}
var replacementValue = "";
if (StoryModel.DoesArrayMeetConditions(conditions, notConditions, flags))
{
replacementValue = match.Groups [2].Value;
}
else if (!string.IsNullOrEmpty(match.Groups [4].Value))
{
replacementValue = match.Groups [4].Value;
}
text = Regex.Replace(text, conditionBoundsPattern, replacementValue);
}
}
return(text);
}
/// <summary>
/// Generates and returns a PlayChunk that begins with the given Stitch
/// and continues through the first available block of options.
/// </summary>
public PlayChunk CreateChunkForStitch(Stitch stitch)
{
if (stitch == null)
{
return(null);
}
PlayChunk chunk = new PlayChunk();
// Reload all flags from the previous stitch
AllFlagsCollected.Clear();
if (LastChunk != null)
{
AllFlagsCollected.AddRange(LastChunk.FlagsCollected);
}
var currentStitch = stitch;
var compiledText = "";
// Loop through all linked stitches
while (currentStitch != null)
{
visitedStitches.Add(currentStitch);
if (currentStitch.PageNumber >= 1)
{
chunk.HasSectionHeading = true;
}
bool isStitchVisible = StoryModel.DoesArrayMeetConditions(currentStitch.IfConditions, currentStitch.NotIfConditions, AllFlagsCollected);
// This stitch passes flag tests and should be included in this chunk
if (isStitchVisible)
{
// Remove newlines in preparation for compiling run-on stitches into one paragraph
compiledText += currentStitch.Text.Replace("\n", " ") + " ";
// If no more processing is needed, apply text substitutions and store the paragraph
bool isRunOn = Regex.IsMatch(currentStitch.Text, @"\[\.\.\.\]") || currentStitch.RunOn;
if (!isRunOn || currentStitch.DivertStitch == null)
{
var styledText = ApplyRuleSubstitutions(compiledText, AllFlagsCollected);
chunk.Paragraphs.Add(new Paragraph(styledText, currentStitch.Image, currentStitch.PageLabel));
compiledText = "";
}
// Modify all flags with flag states from the current stitch
if (currentStitch.Flags.Count > 0)
{
StoryModel.ProcessFlagSetting(currentStitch, AllFlagsCollected);
}
}
// Add stitch to chunk
chunk.Stitches.Add(new BlockContent <Stitch> (currentStitch, isStitchVisible));
currentStitch = currentStitch.DivertStitch;
}
WordCount = 0;
foreach (var p in chunk.Paragraphs)
{
WordCount += WordCountOf(p.Text);
}
// Add options to chunk
if (LastStitch.Options.Count > 0)
{
foreach (var option in LastStitch.Options)
{
var isVisible = StoryModel.DoesArrayMeetConditions(option.IfConditions, option.NotIfConditions, AllFlagsCollected);
if (isVisible)
{
chunk.Options.Add(new BlockContent <Option> (option, isVisible));
}
}
}
chunk.FlagsCollected.AddRange(AllFlagsCollected);
allChunks.Add(chunk);
return(chunk);
}