Beispiel #1
0
        /// <summary>
        /// Adds a named date property.
        /// </summary>
        /// <param name="name">The property's name.</param>
        /// <param name="value">The property's value.</param>
        /// <returns>the property that was stored under the specified name before, or
        /// <c>null</c>
        ///  if there was no such property before.</returns>
        public Object Put(String name, DateTime value)
        {
            MutableProperty p = new MutableProperty();

            p.ID    = -1;
            p.Type  = Variant.VT_FILETIME;
            p.Value = value;
            CustomProperty cp = new CustomProperty(p, name);

            return(Put(cp));
        }
Beispiel #2
0
        /// <summary>
        /// Adds a named bool property.
        /// </summary>
        /// <param name="name">The property's name.</param>
        /// <param name="value">The property's value.</param>
        /// <returns>the property that was stored under the specified name before, or
        /// <c>null</c>
        ///  if there was no such property before.</returns>
        public Object Put(String name, bool value)
        {
            MutableProperty p = new MutableProperty();

            p.ID    = -1;
            p.Type  = Variant.VT_BOOL;
            p.Value = value;
            CustomProperty cp = new CustomProperty(p, name);

            return(Put(cp));
        }
Beispiel #3
0
        /// <summary>
        /// Sets the value and the variant type of the property with the
        /// specified ID. If a property with this ID is not yet present in
        /// the section, it will be Added. An alReady present property with
        /// the specified ID will be overwritten. A default mapping will be
        /// used To choose the property's type.
        /// </summary>
        /// <param name="id">The property's ID.</param>
        /// <param name="variantType">The property's variant type.</param>
        /// <param name="value">The property's value.</param>
        public void SetProperty(int id, long variantType,
                                Object value)
        {
            MutableProperty p = new MutableProperty();

            p.ID    = id;
            p.Type  = variantType;
            p.Value = value;
            SetProperty(p);
            dirty = true;
        }
Beispiel #4
0
 /// <summary>
 /// Constructs a <c>MutableSection</c> by doing a deep copy of an
 /// existing <c>Section</c>. All nested <c>Property</c>
 /// instances, will be their mutable counterparts in the new
 /// <c>MutableSection</c>.
 /// </summary>
 /// <param name="s">The section Set To copy</param>
 public MutableSection(Section s)
 {
     SetFormatID(s.FormatID);
     Property[]        pa  = s.Properties;
     MutableProperty[] mpa = new MutableProperty[pa.Length];
     for (int i = 0; i < pa.Length; i++)
     {
         mpa[i] = new MutableProperty(pa[i]);
     }
     SetProperties(mpa);
     this.Dictionary = (s.Dictionary);
 }
Beispiel #5
0
        /// <summary>
        /// Writes this section into an output stream.
        /// Internally this is done by writing into three byte array output
        /// streams: one for the properties, one for the property list and one for
        /// the section as such. The two former are Appended To the latter when they
        /// have received all their data.
        /// </summary>
        /// <param name="out1">The stream To Write into.</param>
        /// <returns>The number of bytes written, i.e. the section's size.</returns>
        public int Write(Stream out1)
        {
            /* Check whether we have alReady generated the bytes making out the
             * section. */
            if (!dirty && sectionBytes != null)
            {
                out1.Write(sectionBytes, 0, sectionBytes.Length);
                return(sectionBytes.Length);
            }

            /* The properties are written To this stream. */
            using (MemoryStream propertyStream =
                       new MemoryStream())
            {
                /* The property list is established here. After each property that has
                 * been written To "propertyStream", a property list entry is written To
                 * "propertyListStream". */
                using (MemoryStream propertyListStream =
                           new MemoryStream())
                {
                    /* Maintain the current position in the list. */
                    int position = 0;

                    /* Increase the position variable by the size of the property list so
                     * that it points behind the property list and To the beginning of the
                     * properties themselves. */
                    position += 2 * LittleEndianConsts.INT_SIZE +
                                PropertyCount * 2 * LittleEndianConsts.INT_SIZE;

                    /* Writing the section's dictionary it tricky. If there is a dictionary
                     * (property 0) the codepage property (property 1) must be Set, Too. */
                    int codepage = -1;
                    if (GetProperty(PropertyIDMap.PID_DICTIONARY) != null)
                    {
                        Object p1 = GetProperty(PropertyIDMap.PID_CODEPAGE);
                        if (p1 != null)
                        {
                            if (!(p1 is int))
                            {
                                throw new IllegalPropertySetDataException
                                          ("The codepage property (ID = 1) must be an " +
                                          "Integer object.");
                            }
                        }
                        else
                        {
                            /* Warning: The codepage property is not Set although a
                             * dictionary is present. In order To cope with this problem we
                             * Add the codepage property and Set it To Unicode. */
                            SetProperty(PropertyIDMap.PID_CODEPAGE, Variant.VT_I2,
                                        (int)Constants.CP_UNICODE);
                        }
                        codepage = Codepage;
                    }



                    /* Sort the property list by their property IDs: */
                    preprops.Sort(new PropertyComparer());

                    /* Write the properties and the property list into their respective
                     * streams: */
                    for (int i = 0; i < preprops.Count; i++)
                    {
                        MutableProperty p  = (MutableProperty)preprops[i];
                        long            id = p.ID;

                        /* Write the property list entry. */
                        TypeWriter.WriteUIntToStream(propertyListStream, (uint)p.ID);
                        TypeWriter.WriteUIntToStream(propertyListStream, (uint)position);

                        /* If the property ID is not equal 0 we Write the property and all
                         * is fine. However, if it Equals 0 we have To Write the section's
                         * dictionary which has an implicit type only and an explicit
                         * value. */
                        if (id != 0)
                        {
                            /* Write the property and update the position To the next
                             * property. */
                            position += p.Write(propertyStream, Codepage);
                        }
                        else
                        {
                            if (codepage == -1)
                            {
                                throw new IllegalPropertySetDataException
                                          ("Codepage (property 1) is undefined.");
                            }
                            position += WriteDictionary(propertyStream, dictionary,
                                                        codepage);
                        }
                    }
                    propertyStream.Flush();
                    propertyListStream.Flush();

                    /* Write the section: */
                    byte[] pb1 = propertyListStream.ToArray();
                    byte[] pb2 = propertyStream.ToArray();

                    /* Write the section's Length: */
                    TypeWriter.WriteToStream(out1, LittleEndianConsts.INT_SIZE * 2 +
                                             pb1.Length + pb2.Length);

                    /* Write the section's number of properties: */
                    TypeWriter.WriteToStream(out1, PropertyCount);

                    /* Write the property list: */
                    out1.Write(pb1, 0, pb1.Length);

                    /* Write the properties: */
                    out1.Write(pb2, 0, pb2.Length);

                    int streamLength = LittleEndianConsts.INT_SIZE * 2 + pb1.Length + pb2.Length;
                    return(streamLength);
                }
            }
        }