/// <summary>
/// Splits string into string arrays. This split method won't split qouted strings, but only text outside of qouted string.
/// For example: '"text1, text2",text3' will be 2 parts: "text1, text2" and text3.
/// </summary>
/// <param name="text">Text to split.</param>
/// <param name="splitChar">Char that splits text.</param>
/// <param name="unquote">If true, splitted parst will be unqouted if they are qouted.</param>
/// <param name="count">Maximum number of substrings to return.</param>
/// <returns>Returns splitted string.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>text</b> is null reference.</exception>
public static string[] SplitQuotedString(string text, char splitChar, bool unquote, int count)
{
AssertUtil.ArgumentNotNull(text, nameof(text));
var splitParts = new List <string>(); // Holds splitted parts
int startPos = 0;
bool inQuotedString = false; // Holds flag if position is quoted string or not
char lastChar = '0';
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
// We have exceeded maximum allowed splitted parts.
if ((splitParts.Count + 1) >= count)
{
break;
}
// We have quoted string start/end.
if (lastChar != '\\' && c == '\"')
{
inQuotedString = !inQuotedString;
}
// We have escaped or normal char.
//else{
// We igonre split char in quoted-string.
if (!inQuotedString)
{
// We have split char, do split.
if (c == splitChar)
{
if (unquote)
{
splitParts.Add(UnQuoteString(text.Substring(startPos, i - startPos)));
}
else
{
splitParts.Add(text.Substring(startPos, i - startPos));
}
// Store new split part start position.
startPos = i + 1;
}
}
//else{
lastChar = c;
}
// Add last split part to splitted parts list
if (unquote)
{
splitParts.Add(UnQuoteString(text.Substring(startPos, text.Length - startPos)));
}
else
{
splitParts.Add(text.Substring(startPos, text.Length - startPos));
}
return(splitParts.ToArray());
}
public static Stream BuildMultipartData(IDictionary formData, string boundary, Encoding encoding = null)
{
AssertUtil.ArgumentNotNull(formData, nameof(formData));
AssertUtil.ArgumentNotEmpty(boundary, nameof(boundary));
encoding = encoding == null ? Encoding.UTF8 : encoding;
var stream = new MultiStream();
string keyValTemplate = $"--{boundary}\r\n"
+ "Content-Disposition: form-data; name=\"{0}\"\r\n"
+ "\r\n";
string fileValTemplate = $"--{boundary}\r\n"
+ "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "\r\n";
foreach (var key in formData.Keys)
{
if (!(key is string))
{
throw new ArgumentException("Key isnot typeof string.");
}
if (string.IsNullOrWhiteSpace((string)key))
{
throw new ArgumentException("Key cannot be null or empty.");
}
if (formData[key] is IEnumerable)
{
foreach (var value in (IEnumerable)formData[key])
{
if (value is FileStream)
{
var fileValStrm = new MemoryStream();
using (var writer = new SmartStream(fileValStrm, false))
{
writer.Encoding = encoding;
writer.Write(string.Format(fileValTemplate, ((string)key).Trim(), Path.GetFileName(((FileStream)value).Name)));
writer.Flush();
}
fileValStrm.Position = 0;
stream.AppendStream(fileValStrm);
stream.AppendStream((FileStream)value);
stream.AppendStream(new MemoryStream(new byte[] { (byte)'\r', (byte)'\n' }));
}
else
{
var keyValStrm = new MemoryStream();
using (var writer = new SmartStream(keyValStrm, false))
{
writer.Encoding = encoding;
writer.Write(string.Format(keyValTemplate, ((string)key).Trim()));
writer.Write(value.ToString());
writer.Write("\r\n");
writer.Flush();
}
keyValStrm.Position = 0;
stream.AppendStream(keyValStrm);
}
}
}
else
{
if (formData[key] is FileStream)
{
var fileValStrm = new MemoryStream();
using (var writer = new SmartStream(fileValStrm, false))
{
writer.Encoding = encoding;
writer.Write(string.Format(fileValTemplate, ((string)key).Trim(), Path.GetFileName(((FileStream)formData[key]).Name)));
writer.Flush();
}
fileValStrm.Position = 0;
stream.AppendStream(fileValStrm);
stream.AppendStream((FileStream)formData[key]);
stream.AppendStream(new MemoryStream(new byte[] { (byte)'\r', (byte)'\n' }));
}
else
{
var keyValStrm = new MemoryStream();
using (var writer = new SmartStream(keyValStrm, false))
{
writer.Encoding = encoding;
writer.Write(string.Format(keyValTemplate, ((string)key).Trim()));
writer.Write(formData[key]?.ToString());
writer.Write("\r\n");
writer.Flush();
}
keyValStrm.Position = 0;
stream.AppendStream(keyValStrm);
}
}
}
// add end boundary string line.
stream.AppendStream(new MemoryStream(encoding.GetBytes($"--{boundary}--\r\n")));
return(stream);
}
