MS OLE2

MS OLE2

Functions

GsfInfile * gsf_infile_msole_new ()
gboolean gsf_infile_msole_get_class_id ()
GsfOutfile * gsf_outfile_msole_new ()
GsfOutfile * gsf_outfile_msole_new_full ()
gboolean gsf_outfile_msole_set_class_id ()
GError * gsf_msole_metadata_read ()
gboolean gsf_msole_metadata_write ()
GIConv gsf_msole_iconv_open_codepages_for_export ()
GIConv gsf_msole_iconv_open_codepage_for_import ()
GIConv gsf_msole_iconv_open_for_export ()
GIConv gsf_msole_iconv_open_codepage_for_export ()
GIConv gsf_msole_iconv_open_for_import ()
int gsf_msole_iconv_win_codepage ()
guint gsf_msole_codepage_to_lid ()
int gsf_msole_lid_to_codepage ()
gchar * gsf_msole_lid_to_codepage_str ()
guint gsf_msole_lid_for_language ()
char const * gsf_msole_language_for_lid ()
GByteArray * gsf_msole_inflate ()

Properties

guint big-block-size Read / Write / Construct Only
GsfOutput * sink Read / Write / Construct Only
guint small-block-size Read / Write / Construct Only

Types and Values

  GsfInfileMSOle
  GsfOutfileMSOle

Object Hierarchy

    GObject
    ├── GsfInput
    │   ╰── GsfInfile
    │       ╰── GsfInfileMSOle
    ╰── GsfOutput
        ╰── GsfOutfile
            ╰── GsfOutfileMSOle

Description

Functions

gsf_infile_msole_new ()

GsfInfile *
gsf_infile_msole_new (GsfInput *source,
                      GError **err);

Opens the root directory of an MS OLE file.

This adds a reference to source.

Parameters

source

GsfInput

  

err

optional place to store an error

  

Returns

the new ole file handler

gsf_infile_msole_get_class_id ()

gboolean
gsf_infile_msole_get_class_id (GsfInfileMSOle const *ole,
                               guint8 *res);

Retrieves the 16 byte indentifier (often a GUID in MS Windows apps) stored within the directory associated with ole and stores it in res .

Parameters

ole

a GsfInfileMSOle

  

res

16 byte identifier (often a GUID in MS Windows apps)

  

Returns

TRUE on success

gsf_outfile_msole_new ()

GsfOutfile *
gsf_outfile_msole_new (GsfOutput *sink);

Creates the root directory of an MS OLE file and manages the addition of children.

This adds a reference to sink.

Parameters

sink

a GsfOutput to hold the OLE2 file

  

Returns

the new ole file handler.

gsf_outfile_msole_new_full ()

GsfOutfile *
gsf_outfile_msole_new_full (GsfOutput *sink,
                            guint bb_size,
                            guint sb_size);

Creates the root directory of an MS OLE file and manages the addition of children.

This adds a reference to sink.

Parameters

sink

a GsfOutput to hold the OLE2 file.

  

bb_size

size of large blocks.

  

sb_size

size of small blocks.

  

Returns

the new ole file handler.

gsf_outfile_msole_set_class_id ()

gboolean
gsf_outfile_msole_set_class_id (GsfOutfileMSOle *ole,
                                guint8 const *clsid);

Write clsid to the directory associated with ole .

Parameters

ole

a GsfOutfileMSOle

  

clsid

Identifier (often a GUID in MS Windows apps).

[array fixed-size=16]

Returns

TRUE on success.

gsf_msole_metadata_read ()

GError *
gsf_msole_metadata_read (GsfInput *in,
                         GsfDocMetaData *accum);

gsf_msole_metadata_read has been deprecated since version 1.14.24 and should not be used in newly-written code.

, use gsf_doc_meta_data_read_from_msole

Read a stream formated as a set of MS OLE properties from in and store the results in accum .

[skip]

Parameters

in

GsfInput

  

accum

GsfDocMetaData

  

Returns

A GError if there was an error.

[transfer full]

gsf_msole_metadata_write ()

gboolean
gsf_msole_metadata_write (GsfOutput *out,
                          GsfDocMetaData const *meta_data,
                          gboolean doc_not_component);

gsf_msole_metadata_write has been deprecated since version 1.14.24 and should not be used in newly-written code.

, use gsf_doc_meta_data_write_to_msole

[skip]

Parameters

out

GsfOutput

  

meta_data

GsfDocMetaData

  

doc_not_component

a kludge to differentiate DocumentSummary from Summary

  

Returns

TRUE on success;

gsf_msole_iconv_open_codepages_for_export ()

GIConv
gsf_msole_iconv_open_codepages_for_export
                               (int codepage_to,
                                char const *from);

NOTE: skipped since GIConv is not exported to introspection.

[skip]

Parameters

codepage_to

the target code page.

  

from

the source encoding.

  

Returns

an iconv converter to go from utf8 -> to our best guess at a useful windows codepage.

gsf_msole_iconv_open_codepage_for_import ()

GIConv
gsf_msole_iconv_open_codepage_for_import
                               (char const *to,
                                int codepage);

NOTE: skipped since GIConv is not exported to introspection.

[skip]

Parameters

to

the target encoding.

  

codepage

the source code page.

  

Returns

an iconv converter for codepage -> utf8.

gsf_msole_iconv_open_for_export ()

GIConv
gsf_msole_iconv_open_for_export (void);

NOTE: skipped since GIConv is not exported to introspection.

[skip]

Returns

an iconv convert to go from utf8 -> to our best guess at a useful windows codepage.

gsf_msole_iconv_open_codepage_for_export ()

GIConv
gsf_msole_iconv_open_codepage_for_export
                               (int codepage_to);

NOTE: skipped since GIConv is not exported to introspection.

[skip]

Parameters

codepage_to

the target code page.

  

Returns

an iconv converter to go from utf8 -> to our best guess at a useful windows codepage.

gsf_msole_iconv_open_for_import ()

GIConv
gsf_msole_iconv_open_for_import (int codepage);

NOTE: skipped since GIConv is not exported to introspection.

[skip]

Parameters

codepage

the source code page.

  

Returns

an iconv converter for single byte encodings codepage -> utf8. Attempt to handle the semantics of a specification for multibyte encodings since this is only supposed to be used for single bytes.

gsf_msole_iconv_win_codepage ()

int
gsf_msole_iconv_win_codepage (void);

Returns

our best guess at the applicable windows code page based on an environment variable or the current locale.

gsf_msole_codepage_to_lid ()

guint
gsf_msole_codepage_to_lid (int codepage);

gsf_msole_lid_to_codepage ()

int
gsf_msole_lid_to_codepage (guint lid);

Parameters

lid

numerical language id

  

Returns

our best guess at the codepage for the given language id

gsf_msole_lid_to_codepage_str ()

gchar *
gsf_msole_lid_to_codepage_str (guint lid);

Parameters

lid

numerical language id

  

Returns

the Iconv codepage string for the given LID.

[transfer full]

gsf_msole_lid_for_language ()

guint
gsf_msole_lid_for_language (char const *lang);

Parameters

lang

Language id, i.e., locale name.

[allow-none]

Returns

the LID (Language Identifier) for the input language. If lang is NULL, return 0x0400 ("-none-"), and not 0x0000 ("no proofing")

gsf_msole_language_for_lid ()

char const *
gsf_msole_language_for_lid (guint lid);

Parameters

lid

numerical language id

  

Returns

the xx_YY style string (can be just xx or xxx) for the given LID. If the LID is not found, is set to 0x0400, or is set to 0x0000, will return "-none-".

[transfer none]

gsf_msole_inflate ()

GByteArray *
gsf_msole_inflate (GsfInput *input,
                   gsf_off_t offset);

Decompresses an LZ compressed stream.

Parameters

input

stream to read from

  

offset

offset into it for start byte of compresse stream

  

Returns

A GByteArray that the caller is responsible for freeing.

[transfer full]

Types and Values

GsfInfileMSOle

typedef struct _GsfInfileMSOle GsfInfileMSOle;

GsfOutfileMSOle

typedef struct _GsfOutfileMSOle GsfOutfileMSOle;

Property Details

The “big-block-size” property

  “big-block-size”           guint

The size of the OLE's big blocks.

Flags: Read / Write / Construct Only

Allowed values: [128,4096]

Default value: 512

The “sink” property

  “sink”                     GsfOutput *

The destination for writes.

Flags: Read / Write / Construct Only

The “small-block-size” property

  “small-block-size”         guint

The size of the OLE's small blocks.

Flags: Read / Write / Construct Only

Allowed values: [8,4096]

Default value: 64

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