Пример #1
0
        /// <summary>
        /// Returns a string representation of the CSV file, using the specified <paramref name="separator"/>.
        /// </summary>
        /// <param name="separator">The separator to be used.</param>
        /// <returns>A string representation of the CSV file.</returns>
        public string ToString(CsvSeparator separator)
        {
            StringBuilder sb = new StringBuilder();

            // Get the separator as a "char"
            char sep;

            switch (separator)
            {
            case CsvSeparator.Comma: sep = ','; break;

            case CsvSeparator.Colon: sep = ':'; break;

            case CsvSeparator.SemiColon: sep = ';'; break;

            case CsvSeparator.Space: sep = ' '; break;

            case CsvSeparator.Tab: sep = '\t'; break;

            default: sep = ';'; break;
            }

            // Append the first line with the column headers
            for (int i = 0; i < Columns.Length; i++)
            {
                if (i > 0)
                {
                    sb.Append(sep);
                }
                sb.Append(Escape(Columns[i].Name, sep));
            }

            foreach (CsvRow row in Rows)
            {
                sb.AppendLine();
                for (int i = 0; i < Columns.Length; i++)
                {
                    if (i > 0)
                    {
                        sb.Append(sep);
                    }
                    CsvCell cell = i < row.Cells.Length ? row.Cells[i] : null;
                    sb.Append(Escape(cell == null ? "" : cell.Value, sep));
                }
            }

            return(sb.ToString());
        }
        /// <summary>
        /// Gets the string value of the cell at the specified <paramref name="index"/>.
        /// </summary>
        /// <typeparam name="T">The type of object to return.</typeparam>
        /// <param name="index">The index of the cell.</param>
        /// <returns>The string value of the cell.</returns>
        public T GetCellValue <T>(int index)
        {
            CsvCell cell = Cells[index];

            return(cell == null ? default(T) : (T)Convert.ChangeType(cell.Value, typeof(T)));
        }
        /// <summary>
        /// Gets the string value of the cell at the specified <paramref name="index"/>.
        /// </summary>
        /// <param name="index">The index of the cell.</param>
        /// <returns>The string value of the cell.</returns>
        public string GetCellValue(int index)
        {
            CsvCell cell = Cells[index];

            return(cell == null ? null : cell.Value);
        }
        /// <summary>
        /// Gets the string value of the cell with the specified <paramref name="columnName"/>, and converts it using
        /// <paramref name="callback"/>.
        /// </summary>
        /// <typeparam name="T">The type of object to return.</typeparam>
        /// <param name="columnName">The name of the cell.</param>
        /// <param name="callback">The callback function to be used for converting the value.</param>
        /// <returns>An instance of <typeparamref name="T"/> representing the value of the cell.</returns>
        public T GetCellValue <T>(string columnName, Func <string, T> callback)
        {
            CsvCell cell = this[columnName];

            return(cell == null ? default(T) : callback(cell.Value));
        }
        /// <summary>
        /// Gets the string value of the cell with the specified <paramref name="columnName"/>, and converts it to the
        /// type of <typeparamref name="T"/>.
        /// </summary>
        /// <typeparam name="T">The type of object to return.</typeparam>
        /// <param name="columnName">The name of the cell.</param>
        /// <returns>An instance of <typeparamref name="T"/> representing the value of the cell.</returns>
        public T GetCellValue <T>(string columnName)
        {
            CsvCell cell = this[columnName];

            return(cell == null ? default(T) : (T)Convert.ChangeType(cell.Value, typeof(T)));
        }
        /// <summary>
        /// Gets the string value of the cell with the specified <paramref name="columnName"/>. If multiple columns
        /// match <paramref name="columnName"/>, only the value of the first cell will be returned.
        /// </summary>
        /// <param name="columnName">The name of the cell.</param>
        /// <returns>The string value of the cell.</returns>
        public string GetCellValue(string columnName)
        {
            CsvCell cell = this[columnName];

            return(cell == null ? null : cell.Value);
        }
        /// <summary>
        /// Gets the string value of the cell at the specified <paramref name="index"/>, and converts it using
        /// <paramref name="callback"/>.
        /// </summary>
        /// <typeparam name="T">The type of object to return.</typeparam>
        /// <param name="index">The index of the cell.</param>
        /// <param name="callback">The callback function to be used for converting the value.</param>
        /// <returns>An instance of <typeparamref name="T"/> representing the value of the cell.</returns>
        public T GetCellValue <T>(int index, Func <string, T> callback)
        {
            CsvCell cell = Cells[index];

            return(cell == null ? default(T) : callback(cell.Value));
        }