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184 lines
3.6 KiB
184 lines
3.6 KiB
/*++
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Copyright (c) 1995-2000 Microsoft Corporation
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Module Name:
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help.cxx
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Abstract:
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This module contains the help text for all commands supported by this
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NTSD debugger extension.
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Author:
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Keith Moore (keithmo) 12-Nov-1997
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Revision History:
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--*/
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#include "precomp.hxx"
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//
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// The following structure defines the text displayed in response
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// to the "!help" command. This text may also be displayed if invalid
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// arguments are passed to a command.
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//
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typedef struct _HELP_MAP {
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//
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// This is the name of the command.
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//
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PSTR Command;
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//
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// This is a "one-liner" displayed when the user executes "!help".
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//
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PSTR OneLiner;
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//
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// This is the full help text displayed when the user executes
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// "!help <cmd>".
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//
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PSTR FullHelp;
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} HELP_MAP, *PHELP_MAP;
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HELP_MAP HelpMaps[] =
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{
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{
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"help",
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"Dump this list or help for specific command",
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"help [<cmd>] - Dump help for command\n"
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" If no <cmd> is given, a list of all available commands is displayed\n"
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},
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{
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"lkrhash",
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"Dump LKRhash table structures",
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"!lkrhash [options] <addr> - Dump LKRhash table at <addr>\n"
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" -l[0-2] == verbosity level\n"
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" -v == very verbose\n"
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" -g[0-2] == dump global list of LKRhashes at verbosity level\n"
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},
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};
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#define NUM_HELP_MAPS ( sizeof(HelpMaps) / sizeof(HelpMaps[0]) )
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PSTR
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FindHelpForCommand(
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IN PSTR CommandName
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)
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{
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PHELP_MAP helpMap;
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ULONG i;
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for( i = NUM_HELP_MAPS, helpMap = HelpMaps ; i > 0 ; i--, helpMap++ ) {
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if( _stricmp( helpMap->Command, CommandName ) == 0 ) {
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return helpMap->FullHelp;
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}
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}
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return NULL;
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} // FindHelpForCommand
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VOID
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PrintUsage(
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IN PSTR CommandName
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)
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{
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PSTR cmdHelp;
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PHELP_MAP helpMap;
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ULONG i;
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ULONG maxLength;
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ULONG length;
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dprintf( "IIS debugging extension for IIS Version 5.0\n" );
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if( CommandName == NULL ) {
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//
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// We'll display the one-liners for each command. Start by
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// scanning the commands to find the longest length. This makes the
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// output much prettier without having to manually tweak the
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// columns.
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//
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maxLength = 0;
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for( i = NUM_HELP_MAPS, helpMap = HelpMaps ; i > 0 ; i--, helpMap++ ) {
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length = (ULONG)strlen( helpMap->Command );
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if( length > maxLength ) {
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maxLength = length;
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}
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}
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//
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// Now actually display the one-liners.
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//
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for( i = NUM_HELP_MAPS, helpMap = HelpMaps ; i > 0 ; i--, helpMap++ ) {
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dprintf(
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"!%-*s - %s\n",
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maxLength,
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helpMap->Command,
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helpMap->OneLiner
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);
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}
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} else {
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//
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// Find a specific command and display the full help.
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//
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cmdHelp = FindHelpForCommand( CommandName );
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if( cmdHelp == NULL ) {
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dprintf( "unrecognized command %s\n", CommandName );
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} else {
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dprintf( "%s", cmdHelp );
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}
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}
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} // PrintUsage()
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DECLARE_API( help )
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{
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INIT_API();
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//
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// Skip leading blanks.
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//
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while( *lpArgumentString == ' ' ||
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*lpArgumentString == '\t' ) {
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lpArgumentString++;
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}
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if( !strcmp( lpArgumentString, "?" ) ) {
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lpArgumentString = "help";
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}
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if( *lpArgumentString == '\0' ) {
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lpArgumentString = NULL;
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}
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PrintUsage( lpArgumentString );
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} // DECLARE_API( help )
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