// This project is licensed under the BSD 3-Clause license. // See the LICENSE file in the project root for more information. namespace CSTNet; [Obsolete("Use CST class instead.")] public class CaretSeparatedText : CST { } public class CST { const char CARET = '^'; const string LF = "\u000A"; const string CR = "\u000D"; const string CRLF = "\u000D\u000A"; const string LS = "\u2028"; /// /// Gets the value from the digit-based key. /// /// Returns the entry public static string Parse(string content, int key) => Parse(content, key.ToString()); /// /// Gets the value from the string-based key. /// /// Returns the entry public static string Parse(string content, string key) { var entries = NormalizeEntries(content); return GetEntry(entries, key); } /// /// Replaces the document's line endings with the native system line endings. /// /// This stage ensures there are no crashes during parsing. static IEnumerable NormalizeEntries(string content) { if (!content.Contains(Environment.NewLine)) { if (content.Contains(LF)) content = content.Replace(LF, Environment.NewLine); if (content.Contains(CR)) content = content.Replace(CR, Environment.NewLine); if (content.Contains(CRLF)) content = content.Replace(CRLF, Environment.NewLine); if (content.Contains(LS)) content = content.Replace(LS, Environment.NewLine); } var lines = content.Split(new[] { $"{CARET}{Environment.NewLine}" }, StringSplitOptions.RemoveEmptyEntries); return lines.Where(line => !line.StartsWith("//") && !line.StartsWith("#") && !line.StartsWith("/*") && !line.EndsWith("*/")) .AsEnumerable(); } static string GetEntry(IEnumerable entries, string key) { // Search through list foreach (var entry in entries) { // If the line doesn't start with the key, keep searching. if (!entry.StartsWith(key)) continue; // Locate index, trim carets and return translation. var startIndex = entry.IndexOf(CARET); var line = entry.Substring(startIndex); return line.TrimStart(CARET).TrimEnd(CARET); } return "***MISSING***"; } }