GnomeVFS - Filesystem Abstraction library

GnomeVFS - Filesystem Abstraction library

Seth Nickell

snickell@Stanford.edu

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; A copy of the license is included in the section entitled "GNU Free Documentation License".

Table of Contents

Introduction to GnomeVFS

Uses and Purpose

User's Perspective
Developer's Perspective

A Gentle Programming Primer

Conversion of a Sample Code Block

Basic File Operations

Asynchronous File I/O — allows for non-blocking file operations
Basic File I/O — synchronous file operations similar to posix calls, but using uris
Directory Operations — loading and parsing directory contents
xfer —

Common Data Types

types —
File Info —
Result Codes — utilities for interpreting GnomeVFS Result codes
uri —

MIME types & the Application Registry

Algorithmic Sniff Buffer — algorithmic detection of mime type for select file types
Application Registry — a database of the available applications and their capabilities
Magic MIME Detection — functions for parsing the magic mime database
MIME Type Detection — detecting the mime type of a URI
MIME Handlers — functions for getting and manipulating the actions to be performed on mime types
mime-info —
mime-monitor —

Filesystem Modules

Writing modules for the GNOME Virtual File System

Introduction
GNOME Virtual File System access method implementation
Implementing an access method in practice
Handling cancellation
Basic guidelines for writing a module

method —

module-shared —

module —

Module Callbacks (Module API) — interface to module callbacks for use by gnome-vfs modules

Other APIs

Backend —
Cancellation —
Configuration —
Context —
Directory Filter —
File Size —
Find Directory — used to locate special directories such as the trash and desktop
inet-connection —
init —
iobuf —
list-sort —
Module Callbacks — registering for special callbacks from gnome-vfs module operations
Standard Callbacks — Module callbacks pre-defined by gnome-vfs
parse-ls —
process —
regexp-filter —
seekable —
shellpattern-filter —
ssl —
utils —

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