diff options
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_console.c')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_console.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_console.c b/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_console.c new file mode 100644 index 00000000..ecda11e0 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_console.c @@ -0,0 +1,139 @@ +/* ***** 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 + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the NPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * 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; +} |