/// <summary>
/// Will extract the single text or pair text parts of a string, separated by a |, including the dimensions for the text part.
/// </summary>
/// <param name="input">The input to inspect.</param>
/// <param name="partExtras">The image part extras to extract.</param>
/// <param name="parseUrl">Will parse the url and validate it with <see cref="Uri"/>Uri</param>.
/// <returns>A new <see cref="ImagePart"/>.</returns>
/// <remarks>If there are 2 parts, the first is the text, and the second is the friendly text. Otherwise, only the text is set. Also, should the text contain dimensions, they will be set.</remarks>
/// <exception cref="ArgumentNullException">Thrown when the input is null.</exception>
/// <exception cref="ArgumentException">
/// Thrown when the input is empty.
///
/// -- or --
///
/// Thrown when there are more than 2 parts found.
///
/// -- or --
///
/// Thrown if the extracted url cannot be parsed when parseUrl is true.
///
///
/// -- or --
///
/// Thrown if the height/width is not a valid unit.
///
/// -- or --
///
/// Thrown when the height/width is less than or equal to zero.
/// </exception>
public static ImagePart ExtractImageParts(string input, ImagePartExtras partExtras, bool parseUrl)
{
Guard.NotNullOrEmpty(input, "input");
string[] parts = input.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length > 3)
{
throw new ArgumentException("Invalid number of parts.", "input");
}
string imageUrl, text = null, linkUrl = null;
if (parts.Length == 1)
{
imageUrl = parts[0].Trim();
}
else if ((partExtras & ImagePartExtras.ContainsText) == ImagePartExtras.ContainsText)
{
imageUrl = parts[1].Trim();
}
else if ((partExtras & ImagePartExtras.ContainsLink) == ImagePartExtras.ContainsLink)
{
imageUrl = parts[0].Trim();
}
else
{
throw new ArgumentException("Invalid number of parts.", "input");
}
if (parts.Length > 1 && (partExtras & ImagePartExtras.ContainsText) == ImagePartExtras.ContainsText)
{
text = parts[0].Trim();
}
if (parts.Length > 1 && (partExtras & ImagePartExtras.ContainsLink) == ImagePartExtras.ContainsLink)
{
linkUrl = parts.Length == 3 ? parts[2].Trim() : parts[1].Trim();
}
string toSplit = string.Format("{0}{1}", parseUrl ? "url=" : string.Empty, imageUrl);
string[] parameters = toSplit.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
string url = parseUrl ? Parameters.ExtractUrl(parameters, false) : parameters[0];
if ((partExtras & ImagePartExtras.ContainsData) == ImagePartExtras.ContainsData && parameters.Length < 2)
{
throw new ArgumentException("Invalid number of parameters, cannot find image data.", "input");
}
if ((partExtras & ImagePartExtras.ContainsData) == ImagePartExtras.ContainsData)
{
url = string.Format("{0},{1}", url, parameters[1]);
}
return(new ImagePart(url, text, linkUrl, Parameters.ExtractDimensions(parameters)));
}
/// <summary>
/// Will extract the single text or pair text parts of a string, separated by a |, including the dimensions for the text part.
/// </summary>
/// <param name="input">The input to inspect.</param>
/// <param name="partExtras">The image part extras to extract.</param>
/// <returns>A new <see cref="ImagePart"/>.</returns>
/// <remarks>If there are 2 parts, the first is the text, and the second is the friendly text. Otherwise, only the text is set. Also, should the text contain dimensions, they will be set.</remarks>
/// <exception cref="ArgumentNullException">Thrown when the input is null.</exception>
/// <exception cref="ArgumentException">
/// Thrown when the input is empty.
///
/// -- or --
///
/// Thrown when there are more than 2 parts found.
///
/// -- or --
///
/// Thrown if the extracted url cannot be parsed.
///
/// -- or --
///
/// Thrown if the height/width is not a valid unit.
///
/// -- or --
///
/// Thrown when the height/width is less than or equal to zero.
/// </exception>
public static ImagePart ExtractImageParts(string input, ImagePartExtras partExtras)
{
return(ExtractImageParts(input, partExtras, true));
}
