PDFlib Text Extraction Toolkit (TET) Manual

C++ int delete_pvf(wstring filename)
C# Java int delete_pvf(String filename)
Perl PHP int delete_pvf(string filename)
VB RB Function delete_pvf(filename As String) As Long
C int TET_delete_pvf(TET *tet, const char *filename, int len)
Delete a named virtual file and free its data structures (but not the contents).
filename (Name string) The name of the virtual file as supplied to TET_create_pvf( ).
len (C language binding only) Length of filename (in bytes) for UTF-16 strings. If len=0
a null-terminated string must be provided.
Returns
Details
-1 if the corresponding virtual file exists but is locked, and 1 otherwise.
If the file isn’t locked, TET will immediately delete the data structures associated with
filename. If filename does not refer to a valid virtual file this function will silently do
nothing. After successfully calling this function filename may be reused. All virtual files
will automatically be deleted in TET_delete( ).
The detailed semantics depend on whether or not the copy option has been supplied
to the corresponding call to TET_create_pvf( ): If the copy option has been supplied, both
the administrative data structures for the file and the actual file contents (data) will be
freed; otherwise, the contents will not be freed, since the client is supposed to do so.
C++ int info_pvf(wstring filename, wstring keyword)
C# Java int info_pvf(String filename, String keyword)
Perl PHP int info_pvf(string filename, string keyword)
VB RB Function info_pvf(filename As String, keyword As String) As Long
C int TET_info_pvf(TET *tet, const char *filename, int len, const char *keyword)
Query properties of a virtual file or the PDFlib Virtual File system (PVF).
filename (Name string) The name of the virtual file. The filename may be empty if
keyword=filecount.
len (C language binding only) Length of filename (in bytes) for UTF-16 strings. If len=0 a
null-terminated string must be provided.
keyword A keyword according to Table 10.4.
Details
This function returns various properties of a virtual file or the PDFlib Virtual File system
(PVF). The property is specified by keyword.
Table 10.4 Keywords for TET_info_pvf( )
option
filecount
description
Total number of files in the PDFlib Virtual File system maintained for the current TET object. The
filename parameter will be ignored.
exists 1 if the file exists in the PDFlib Virtual File system (and has not been deleted), otherwise 0
size
(Only for existing virtual files) Size of the specified virtual file in bytes.
10.6 General Functions 153