Alba.Jaml.MSInternal.MeScanner.ReadString C# (CSharp) Метод

        private string ReadString ()
        {
            bool flag = false;
            char ch = '\0';
            bool flag2 = true;
            bool flag3 = false;
            uint num = 0;
            StringBuilder builder = new StringBuilder();
            while (!this.IsAtEndOfInput) {
                char currentChar = this.CurrentChar;
                if (flag) {
                    builder.Append('\\');
                    builder.Append(currentChar);
                    flag = false;
                    goto Label_016E;
                }
                if (ch != '\0') {
                    if (currentChar == '\\') {
                        flag = true;
                        goto Label_016E;
                    }
                    if (currentChar != ch) {
                        builder.Append(currentChar);
                        goto Label_016E;
                    }
                    currentChar = this.CurrentChar;
                    ch = '\0';
                    break;
                }
                bool flag4 = false;
                switch (currentChar) {
                    case '{':
                        num++;
                        builder.Append(currentChar);
                        goto Label_014C;

                    case '}':
                        if (num != 0) {
                            goto Label_0100;
                        }
                        flag4 = true;
                        goto Label_014C;

                    case '\\':
                        flag = true;
                        goto Label_014C;

                    case '=':
                        this._state = StringState.Property;
                        flag4 = true;
                        goto Label_014C;

                    case ' ':
                        if (this._state != StringState.Type) {
                            break;
                        }
                        flag4 = true;
                        goto Label_014C;

                    case '"':
                    case '\'':
                        if (!flag2) {
                            throw new XamlParseException(this, SR.Get("QuoteCharactersOutOfPlace"));
                        }
                        ch = currentChar;
                        flag3 = true;
                        goto Label_014C;

                    case ',':
                        flag4 = true;
                        goto Label_014C;

                    default:
                        builder.Append(currentChar);
                        goto Label_014C;
                }
                builder.Append(currentChar);
                goto Label_014C;
                Label_0100:
                num--;
                builder.Append(currentChar);
                Label_014C:
                if (flag4) {
                    if (num > 0) {
                        throw new XamlParseException(this, SR.Get("UnexpectedTokenAfterME"));
                    }
                    this.PushBack();
                    break;
                }
                Label_016E:
                flag2 = false;
                this.Advance();
            }
            if (ch != '\0') {
                throw new XamlParseException(this, SR.Get("UnclosedQuote"));
            }
            string str = builder.ToString();
            if (!flag3) {
                str = str.TrimEnd(KnownStrings.WhitespaceChars).TrimStart(KnownStrings.WhitespaceChars);
            }
            return str;
        }