408 lines
13 KiB
SourcePawn
408 lines
13 KiB
SourcePawn
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This file is part of the SourceMod/SourcePawn SDK.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#if defined _files_included
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#endinput
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#endif
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#define _files_included
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/**
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* @global All paths in SourceMod natives are relative to the mod folder
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* unless otherwise noted.
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*
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* Most functions in SourceMod (at least, ones that deal with direct
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* file manipulation) will support an alternate path specification.
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*
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* If the path starts with the string "file://" and the PathType is
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* not relative, then the "file://" portion is stripped off, and the
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* rest of the path is used without any modification (except for
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* correcting slashes). This can be used to override the path
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* builder to supply alternate absolute paths. Examples:
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*
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* file://C:/Temp/file.txt
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* file:///tmp/file.txt
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*/
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/**
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* File inode types.
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*/
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enum FileType
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{
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FileType_Unknown = 0, /* Unknown file type (device/socket) */
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FileType_Directory = 1, /* File is a directory */
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FileType_File = 2, /* File is a file */
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};
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/**
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* File time modes.
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*/
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enum FileTimeMode
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{
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FileTime_LastAccess = 0, /* Last access (does not work on FAT) */
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FileTime_Created = 1, /* Creation (does not work on FAT) */
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FileTime_LastChange = 2, /* Last modification */
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};
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#define PLATFORM_MAX_PATH 256 /**< Maximum path length. */
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#define SEEK_SET 0 /**< Seek from start. */
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#define SEEK_CUR 1 /**< Seek from current position. */
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#define SEEK_END 2 /**< Seek from end position. */
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/**
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* Path types.
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*/
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enum PathType
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{
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Path_SM, /**< SourceMod root folder */
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};
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/**
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* Builds a path relative to the SourceMod folder. This should be used instead of
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* directly referencing addons/sourcemod, in case users change the name of their
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* folder layout.
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*
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* @param type Type of path to build as the base.
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* @param buffer Buffer to store the path.
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* @param maxlength Maximum length of buffer.
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* @param fmt Format string.
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* @param ... Format arguments.
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* @return Number of bytes written to buffer (not including null terminator).
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*/
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native BuildPath(PathType:type, String:buffer[], maxlength, const String:fmt[], any:...);
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/**
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* Opens a directory/folder for contents enumeration.
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*
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* @note Directories are closed with CloseHandle().
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* @note Directories Handles can be cloned.
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* @note OpenDirectory() supports the "file://" notation.
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*
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* @param path Path to open.
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* @return A Handle to the directory, INVALID_HANDLE on open error.
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*/
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native Handle:OpenDirectory(const String:path[]);
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/**
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* Reads the current directory entry as a local filename, then moves to the next file.
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*
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* @note Contents of buffers are undefined when returning false.
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* @note Both the '.' and '..' automatic directory entries will be retrieved for Windows and Linux.
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*
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* @param dir Handle to a directory.
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* @param buffer String buffer to hold directory name.
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* @param maxlength Maximum size of string buffer.
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* @param type Optional variable to store the file type.
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* @return True on success, false if there are no more files to read.
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* @error Invalid or corrupt Handle.
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*/
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native bool:ReadDirEntry(Handle:dir, String:buffer[], maxlength, &FileType:type=FileType_Unknown);
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/**
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* Opens a file.
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*
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* @note Files are closed with CloseHandle().
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* @note File Handles can be cloned.
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* @note OpenFile() supports the "file://" notation.
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*
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* @param file File to open.
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* @param mode Open mode.
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* @return A Handle to the file, INVALID_HANDLE on open error.
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*/
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native Handle:OpenFile(const String:file[], const String:mode[]);
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/**
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* Deletes a file.
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*
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* @param path Path of the file to delete.
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* @return True on success, false otherwise.
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*/
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native bool:DeleteFile(const String:path[]);
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/**
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* Reads a line from a text file.
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*
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* @param hndl Handle to the file.
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* @param buffer String buffer to hold the line.
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* @param maxlength Maximum size of string buffer.
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* @return True on success, false otherwise.
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*/
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native bool:ReadFileLine(Handle:hndl, String:buffer[], maxlength);
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/**
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* Reads binary data from a file.
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*
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* @param hndl Handle to the file.
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* @param items Array to store each item read.
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* @param num_items Number of items to read into the array.
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* @param size Size of each element, in bytes, to be read.
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* Valid sizes are 1, 2, or 4.
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* @return Number of elements read, or -1 on error.
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*/
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native ReadFile(Handle:hndl, items[], num_items, size);
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/**
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* Reads a UTF8 or ANSI string from a file.
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*
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* @param hndl Handle to the file.
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* @param buffer Buffer to store the string.
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* @param max_size Maximum size of the string buffer.
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* @param read_count If -1, reads until a null terminator is encountered in
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* the file. Otherwise, read_count bytes are read
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* into the buffer provided. In this case the buffer
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* is not explicitly null terminated, and the buffer
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* will contain any null terminators read from the file.
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* @return Number of characters written to the buffer, or -1
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* if an error was encountered.
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* @error Invalid Handle, or read_count > max_size.
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*/
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native ReadFileString(Handle:hndl, String:buffer[], max_size, read_count=-1);
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/**
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* Writes binary data to a file.
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*
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* @param hndl Handle to the file.
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* @param items Array of items to write. The data is read directly.
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* That is, in 1 or 2-byte mode, the lower byte(s) in
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* each cell are used directly, rather than performing
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* any casts from a 4-byte number to a smaller number.
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* @param num_items Number of items in the array.
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* @param size Size of each item in the array in bytes.
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* Valid sizes are 1, 2, or 4.
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* @return True on success, false on error.
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* @error Invalid Handle.
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*/
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native bool:WriteFile(Handle:hndl, const items[], num_items, size);
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/**
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* Writes a binary string to a file.
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*
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* @param hndl Handle to th efile.
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* @param buffer String to write.
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* @param term True to append NUL terminator, false otherwise.
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* @return True on success, false on error.
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* @error Invalid Handle.
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*/
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native bool:WriteFileString(Handle:hndl, const String:buffer[], bool:term);
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/**
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* Writes a line of text to a text file. A newline is automatically appended.
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*
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* @param hndl Handle to the file.
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* @param format Formatting rules.
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* @param ... Variable number of format parameters.
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* @return True on success, false otherwise.
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* @error Invalid Handle.
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*/
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native bool:WriteFileLine(Handle:hndl, const String:format[], any:...);
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/**
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* Reads a single binary cell from a file.
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*
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* @param hndl Handle to the file.
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* @param data Variable to store the data read.
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* @param size Size of the data to read in bytes. Valid
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* sizes are 1, 2, or 4 bytes.
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* @return Number of elements read (max 1), or -1 on error.
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* @error Invalid Handle.
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*/
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stock ReadFileCell(Handle:hndl, &data, size)
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{
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new array[1], ret;
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if ((ret = ReadFile(hndl, array, 1, size)) == 1)
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{
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data = array[0];
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}
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return ret;
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}
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/**
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* Writes a single binary cell to a file.
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*
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* @param hndl Handle to the file.
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* @param data Cell to write to the file.
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* @param size Size of the data to read in bytes. Valid
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* sizes are 1, 2, or 4 bytes. If the size
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* is less than 4 bytes, the data is truncated
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* rather than casted. That is, only the lower
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* bits will be read.
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* @return True on success, false on error.
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* @error Invalid Handle.
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*/
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stock bool:WriteFileCell(Handle:hndl, data, size)
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{
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new array[1];
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array[0] = data;
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return WriteFile(hndl, array, 1, size);
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}
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/**
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* Tests if the end of file has been reached.
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*
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* @param file Handle to the file.
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* @return True if end of file has been reached, false otherwise.
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* @error Invalid Handle.
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*/
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native bool:IsEndOfFile(Handle:file);
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/**
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* Sets the file position indicator.
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*
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* @param file Handle to the file.
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* @param position Position relative to what is specified in whence.
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* @param where SEEK_ constant value of where to see from.
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* @return True on success, false otherwise.
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* @error Invalid Handle.
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*/
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native bool:FileSeek(Handle:file, position, where);
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/**
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* Get current position in the file.
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*
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* @param file Handle to the file.
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* @return Value for the file position indicator.
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* @error Invalid Handle.
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*/
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native FilePosition(Handle:file);
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/**
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* Checks if a file exists.
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*
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* @param path Path to the file.
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* @param use_valve_fs If true, the Valve file system will be used instead.
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* This can be used to check for the existance of files
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* inside GCFs or the game cache, rather than solely files
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* that are on disk.
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* @return True if the file exists, false otherwise.
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*/
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native bool:FileExists(const String:path[], bool:use_valve_fs=false);
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/**
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* Renames a file.
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*
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* @param newpath New path to the file.
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* @param oldpath Path to the existing file.
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* @return True on success, false otherwise.
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*/
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native bool:RenameFile(const String:newpath[], const String:oldpath[]);
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/**
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* Checks if a directory exists.
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*
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* @param path Path to the directory.
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* @return True if the directory exists, false otherwise.
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*/
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native bool:DirExists(const String:path[]);
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/**
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* Get the file size in bytes.
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*
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* @param path Path to the file.
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* @return File size in bytes, -1 if file not found.
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*/
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native FileSize(const String:path[]);
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/**
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* Flushes a file's buffered output; any buffered output
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* is immediately written to the file.
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*
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* @param file Handle to the file.
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* @return True on success, false on failure.
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*/
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native FlushFile(Handle:file);
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/**
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* Removes a directory.
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* @note On most Operating Systems you cannot remove a directory which has files inside it.
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*
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* @param path Path to the directory.
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* @return True on success, false otherwise.
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*/
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native bool:RemoveDir(const String:path[]);
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#define FPERM_U_READ 0x0100 /* User can read. */
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#define FPERM_U_WRITE 0x0080 /* User can write. */
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#define FPERM_U_EXEC 0x0040 /* User can exec. */
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#define FPERM_G_READ 0x0020 /* Group can read. */
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#define FPERM_G_WRITE 0x0010 /* Group can write. */
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#define FPERM_G_EXEC 0x0008 /* Group can exec. */
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#define FPERM_O_READ 0x0004 /* Anyone can read. */
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#define FPERM_O_WRITE 0x0002 /* Anyone can write. */
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#define FPERM_O_EXEC 0x0001 /* Anyone can exec. */
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/**
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* Creates a directory.
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*
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* @param path Path to create.
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* @param mode Permissions (default is o=rx,g=rx,u=rwx). Note that folders must have
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* the execute bit set on Linux. On Windows, the mode is ignored.
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*/
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native bool:CreateDirectory(const String:path[], mode);
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/**
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* Returns a file timestamp as a unix timestamp.
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*
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* @param file File name.
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* @param tmode Time mode.
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* @return Time value, or -1 on failure.
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*/
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native GetFileTime(const String:file[], FileTimeMode:tmode);
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/**
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* Same as LogToFile(), except uses an open file Handle. The file must
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* be opened in text appending mode.
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*
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* @param hndl Handle to the file.
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* @param message Message format.
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* @param ... Message format parameters.
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* @noreturn
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* @error Invalid Handle.
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*/
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native LogToOpenFile(Handle:hndl, const String:message[], any:...);
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/**
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* Same as LogToFileEx(), except uses an open file Handle. The file must
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* be opened in text appending mode.
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*
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* @param hndl Handle to the file.
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* @param message Message format.
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* @param ... Message format parameters.
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* @noreturn
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* @error Invalid Handle.
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*/
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native LogToOpenFileEx(Handle:hndl, const String:message[], any:...);
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