/* ----------------------------------------------------------------- */
///
/// FromPdf
///
/// <summary>
/// Creates a new instance of the PdfReader class.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="password">Password string or query.</param>
/// <param name="options">Open options.</param>
///
/// <returns>PdfReader object.</returns>
///
/* ----------------------------------------------------------------- */
public static PdfReader FromPdf(string src,
QueryMessage <IQuery <string>, string> password,
OpenOption options
)
{
while (true)
{
try
{
var bytes = password.Value.HasValue() ? Encoding.UTF8.GetBytes(password.Value) : null;
var dest = new PdfReader(src, bytes, options.SaveMemory);
if (dest.IsOpenedWithFullPermissions || !options.FullAccess)
{
return(dest);
}
dest.Dispose();
throw new BadPasswordException("FullAccess");
}
catch (BadPasswordException)
{
var msg = password.Source.Request(src);
if (!msg.Cancel)
{
password.Value = msg.Value;
}
else
{
throw new OperationCanceledException();
}
}
}
}
/* ----------------------------------------------------------------- */
///
/// DocumentReader
///
/// <summary>
/// Initializes a new instance of the DocumentReader class
/// with the specified arguments.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="password">Password query or string.</param>
/// <param name="options">Open options.</param>
///
/* ----------------------------------------------------------------- */
private DocumentReader(string src,
QueryMessage <IQuery <string>, string> password,
OpenOption options
)
{
Core = ReaderFactory.FromPdf(src, password, options);
var f = options.IO.GetPdfFile(src, password.Value);
f.Count = Core.NumberOfPages;
f.FullAccess = Core.IsOpenedWithFullPermissions;
File = f;
Metadata = Core.GetMetadata();
Encryption = Core.GetEncryption(f);
Pages = new PageCollection(Core, f);
Attachments = new AttachmentCollection(Core, f, options.IO);
}
/* ----------------------------------------------------------------- */
///
/// GetRawReader
///
/// <summary>
/// Gets the PdfReader corresponding to the specified PDF file.
/// </summary>
///
/* ----------------------------------------------------------------- */
private PdfReader GetRawReader(PdfFile src)
{
var key = src.FullName;
if (_hints.TryGetValue(key, out var hit))
{
return(hit);
}
var options = new OpenOption {
IO = IO, SaveMemory = false
};
var reader = new DocumentReader(key, src.Password, options);
_resources.Add(reader);
_hints.Add(key, reader.Core);
return(reader.Core);
}
/* ----------------------------------------------------------------- */
///
/// DocumentReader
///
/// <summary>
/// Initializes a new instance of the DocumentReader class
/// with the specified arguments.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="password">Password string.</param>
/// <param name="options">Open options.</param>
///
/* ----------------------------------------------------------------- */
public DocumentReader(string src, string password, OpenOption options) :
this(src, MakeQuery(null, password), options)
{
}
/* ----------------------------------------------------------------- */
///
/// DocumentReader
///
/// <summary>
/// Initializes a new instance of the DocumentReader class
/// with the specified arguments.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="query">Password query.</param>
/// <param name="options">Open options.</param>
///
/* ----------------------------------------------------------------- */
public DocumentReader(string src, IQuery <string> query, OpenOption options) :
this(src, MakeQuery(query, string.Empty), options)
{
}
