29#ifndef CPL_VSIL_PLUGIN_H_INCLUDED
30#define CPL_VSIL_PLUGIN_H_INCLUDED
35#include "cpl_vsi_virtual.h"
48class VSIPluginFilesystemHandler :
public VSIFilesystemHandler
55 bool m_bWarnedAdviseReadImplemented =
false;
58 friend class VSIPluginHandle;
59 VSIPluginHandle *CreatePluginHandle(
void *cbData);
60 const char *GetCallbackFilename(
const char *pszFilename);
61 bool IsValidFilename(
const char *pszFilename);
64 int Seek(
void *pFile,
vsi_l_offset nOffset,
int nWhence);
65 size_t Read(
void *pFile,
void *pBuffer,
size_t nSize,
size_t nCount);
66 int ReadMultiRange(
void *pFile,
int nRanges,
void **ppData,
68 void AdviseRead(
void *pFile,
int nRanges,
const vsi_l_offset *panOffsets,
69 const size_t *panSizes);
73 size_t Write(
void *pFile,
const void *pBuffer,
size_t nSize,
size_t nCount);
74 int Flush(
void *pFile);
76 int Close(
void *pFile);
79 VSIPluginFilesystemHandler(
const char *pszPrefix,
81 ~VSIPluginFilesystemHandler()
override;
87 int Stat(
const char *pszFilename,
VSIStatBufL *pStatBuf,
89 int Unlink(
const char *pszFilename)
override;
90 int Rename(
const char *oldpath,
const char * )
override;
91 int Mkdir(
const char *pszDirname,
long nMode)
override;
92 int Rmdir(
const char *pszDirname)
override;
93 char **ReadDirEx(
const char *pszDirname,
int nMaxFiles)
override;
94 char **SiblingFiles(
const char *pszFilename)
override;
95 int HasOptimizedReadMultiRange(
const char *pszPath)
override;
107 VSIPluginFilesystemHandler *poFS;
111 VSIPluginHandle(VSIPluginFilesystemHandler *poFS,
void *cbData);
112 ~VSIPluginHandle()
override;
116 size_t Read(
void *pBuffer,
size_t nSize,
size_t nCount)
override;
117 int ReadMultiRange(
int nRanges,
void **ppData,
119 const size_t *panSizes)
override;
120 void AdviseRead(
int nRanges,
const vsi_l_offset *panOffsets,
121 const size_t *panSizes)
override;
125 size_t Write(
const void *pBuffer,
size_t nSize,
size_t nCount)
override;
126 int Flush()
override;
128 int Close()
override;
Core portability definitions for CPL.
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:1042
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1183
Various convenience functions for working with strings and string lists.
#define VSIStatBufL
Type for VSIStatL()
Definition: cpl_vsi.h:203
VSIRangeStatus
Range status.
Definition: cpl_vsi.h:182
GUIntBig vsi_l_offset
Type for a file offset.
Definition: cpl_vsi.h:146
struct containing callbacks to used by the handler.
Definition: cpl_vsi.h:656
Virtual file handle.
Definition: cpl_vsi_virtual.h:63