/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mac_console.h"
#ifndef __CONSOLE__
#include <console.h>
#endif
extern CWPluginContext gPluginContext;
UInt32 mac_console_count = 0;
CWMemHandle mac_console_handle = NULL;
/*
* The following four functions provide the UI for the console package.
* Users wishing to replace SIOUX with their own console package need
* only provide the four functions below in a library.
*/
/*
* extern short InstallConsole(short fd);
*
* Installs the Console package, this function will be called right
* before any read or write to one of the standard streams.
*
* short fd: The stream which we are reading/writing to/from.
* returns short: 0 no error occurred, anything else error.
*/
short InstallConsole(short fd)
{
#pragma unused (fd)
mac_console_count = 0;
CWAllocMemHandle(gPluginContext, 8192, false, &mac_console_handle);
return 0;
}
/*
* extern void RemoveConsole(void);
*
* Removes the console package. It is called after all other streams
* are closed and exit functions (installed by either atexit or _atexit)
* have been called. Since there is no way to recover from an error,
* this function doesn't need to return any.
*/
void RemoveConsole(void)
{
if (mac_console_handle != NULL) {
CWFreeMemHandle(gPluginContext, mac_console_handle);
mac_console_handle = NULL;
}
}
/*
* extern long WriteCharsToConsole(char *buffer, long n);
*
* Writes a stream of output to the Console window. This function is
* called by write.
*
* char *buffer: Pointer to the buffer to be written.
* long n: The length of the buffer to be written.
* returns short: Actual number of characters written to the stream,
* -1 if an error occurred.
*/
long WriteCharsToConsole(char *buffer, long n)
{
long size = 0;
void* ptr = NULL;
if (CWGetMemHandleSize(gPluginContext, mac_console_handle, &size) == noErr) {
if (mac_console_count + n >= size) {
size += 8192;
if (CWResizeMemHandle(gPluginContext, mac_console_handle, size) != noErr)
return -1;
}
}
if (CWLockMemHandle(gPluginContext, mac_console_handle, false, &ptr) == noErr) {
BlockMoveData(buffer, (char *)ptr + mac_console_count, n);
mac_console_count += n;
CWUnlockMemHandle(gPluginContext, mac_console_handle);
}
return 0;
}
/*
* extern long ReadCharsFromConsole(char *buffer, long n);
*
* Reads from the Console into a buffer. This function is called by
* read.
*
* char *buffer: Pointer to the buffer which will recieve the input.
* long n: The maximum amount of characters to be read (size of
* buffer).
* returns short: Actual number of characters read from the stream,
* -1 if an error occurred.
*/
long ReadCharsFromConsole(char *buffer, long n)
{
return 0;
}