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597 lines
16 KiB
597 lines
16 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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////////////////////////////////////////////////////////////////////////////// |
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// // |
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// pfConsoleEngine Functions // |
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// // |
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////////////////////////////////////////////////////////////////////////////// |
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#include "pfConsoleEngine.h" |
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#include "pfConsoleCmd.h" |
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#include "pfConsoleContext.h" |
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#include "../plFile/plEncryptedStream.h" |
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const Int32 pfConsoleEngine::fMaxNumParams = 16; |
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static const char kTokenSeparators[] = " =\r\n\t,"; |
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static const char kTokenGrpSeps[] = " =\r\n._\t,"; |
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static char *console_strtok( char *&line, hsBool haveCommand ) |
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{ |
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char *begin = line; |
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while (*begin && isspace(*begin)) |
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++begin; |
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for (line = begin; *line; ++line) { |
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if (!haveCommand) { |
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for (const char *sep = kTokenGrpSeps; *sep; ++sep) { |
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if (*line == *sep) { |
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*line = 0; |
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while (*++line && (*line == *sep)) |
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/* skip duplicate delimiters */; |
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return begin; |
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} |
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} |
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} else { |
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if (*begin == '"' || *begin == '\'') { |
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// Handle strings as a single token |
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char *endptr = strchr(line + 1, *line); |
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if (endptr == nil) { |
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// Bad string token sentry |
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return "\xFF"; |
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} |
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*endptr = 0; |
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line = endptr + 1; |
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return begin + 1; |
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} |
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for (const char *sep = kTokenSeparators; *sep; ++sep) { |
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if (*line == *sep) { |
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*line = 0; |
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while (*++line && (*line == *sep)) |
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/* skip duplicate delimiters */; |
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return begin; |
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} |
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} |
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} |
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} |
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if (begin == line) |
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return nil; |
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line = line + strlen(line); |
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return begin; |
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} |
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//// Constructor & Destructor //////////////////////////////////////////////// |
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pfConsoleEngine::pfConsoleEngine() |
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{ |
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} |
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pfConsoleEngine::~pfConsoleEngine() |
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{ |
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} |
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//// PrintCmdHelp //////////////////////////////////////////////////////////// |
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hsBool pfConsoleEngine::PrintCmdHelp( char *name, void (*PrintFn)( const char * ) ) |
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{ |
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pfConsoleCmd *cmd; |
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pfConsoleCmdGroup *group, *subGrp; |
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char *ptr; |
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static char string[ 512 ]; |
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static char tempString[ 512 ]; |
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UInt32 i; |
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/// Scan for subgroups. This can be an empty loop |
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group = pfConsoleCmdGroup::GetBaseGroup(); |
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ptr = console_strtok( name, false ); |
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while( ptr != nil ) |
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{ |
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// Take this token and check to see if it's a group |
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if( ( subGrp = group->FindSubGroupNoCase( ptr ) ) != nil ) |
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group = subGrp; |
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else |
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break; |
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ptr = console_strtok( name, false ); |
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} |
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if( ptr == nil ) |
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{ |
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if( group == nil ) |
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{ |
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ISetErrorMsg( "Invalid command syntax" ); |
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return false; |
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} |
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// Print help for this group |
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if( group == pfConsoleCmdGroup::GetBaseGroup() ) |
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strcpy( string, "Base commands and groups:" ); |
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else |
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sprintf( string, "Group %s:", group->GetName() ); |
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PrintFn( string ); |
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PrintFn( " Subgroups:" ); |
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for( subGrp = group->GetFirstSubGroup(); subGrp != nil; subGrp = subGrp->GetNext() ) |
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{ |
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sprintf( string, " %s", subGrp->GetName() ); |
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PrintFn( string ); |
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} |
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PrintFn( " Commands:" ); |
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for( cmd = group->GetFirstCommand(); cmd != nil; cmd = cmd->GetNext() ) |
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{ |
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for( ptr = cmd->GetHelp(), i = 0; ptr[ i ] != 0 && ptr[ i ] != '\n'; i++ ) |
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tempString[ i ] = ptr[ i ]; |
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tempString[ i ] = 0; |
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sprintf( string, " %s: %s", cmd->GetName(), tempString ); |
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PrintFn( string ); |
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} |
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return true; |
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} |
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/// OK, so what we found wasn't a group. Which means we need a command... |
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cmd = group->FindCommandNoCase( ptr ); |
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if( cmd == nil ) |
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{ |
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ISetErrorMsg( "Invalid syntax: command not found" ); |
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return false; |
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} |
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/// That's it! |
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sprintf( string, "\nHelp for the command %s:", cmd->GetName() ); |
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PrintFn( string ); |
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sprintf( string, "\\i%s", cmd->GetHelp() ); |
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PrintFn( string ); |
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sprintf( string, "\\iUsage: %s", cmd->GetSignature() ); |
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PrintFn( string ); |
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return true; |
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} |
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//// GetCmdSignature ///////////////////////////////////////////////////////// |
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const char *pfConsoleEngine::GetCmdSignature( char *name ) |
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{ |
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pfConsoleCmd *cmd; |
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pfConsoleCmdGroup *group, *subGrp; |
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char *ptr; |
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static char string[ 512 ]; |
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/// Scan for subgroups. This can be an empty loop |
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group = pfConsoleCmdGroup::GetBaseGroup(); |
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ptr = console_strtok( name, false ); |
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while( ptr != nil ) |
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{ |
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// Take this token and check to see if it's a group |
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if( ( subGrp = group->FindSubGroupNoCase( ptr ) ) != nil ) |
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group = subGrp; |
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else |
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break; |
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ptr = console_strtok( name, false ); |
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} |
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if( ptr == nil ) |
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{ |
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ISetErrorMsg( "Invalid command syntax" ); |
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return nil; |
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} |
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/// OK, so what we found wasn't a group. Which means we need a command... |
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cmd = group->FindCommandNoCase( ptr ); |
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if( cmd == nil ) |
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{ |
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ISetErrorMsg( "Invalid syntax: command not found" ); |
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return nil; |
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} |
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/// That's it! |
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return (char *)cmd->GetSignature(); |
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} |
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//// Dummy Local Function //////////////////////////////////////////////////// |
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void DummyPrintFn( const char *line ) |
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{ |
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} |
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//// ExecuteFile ///////////////////////////////////////////////////////////// |
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hsBool pfConsoleEngine::ExecuteFile( const char *fileName ) |
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{ |
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wchar* wFilename = hsStringToWString(fileName); |
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hsBool ret = ExecuteFile(wFilename); |
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delete [] wFilename; |
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return ret; |
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} |
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hsBool pfConsoleEngine::ExecuteFile( const wchar *fileName ) |
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{ |
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char string[ 512 ]; |
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int line; |
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hsStream* stream = plEncryptedStream::OpenEncryptedFile(fileName); |
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if( !stream ) |
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{ |
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ISetErrorMsg( "Cannot open given file" ); |
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// return false; |
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/// THIS IS BAD: because of the asserts we throw after this if we return false, a missing |
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/// file will throw an assert. This is all well and good except for the age-specific .fni files, |
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/// which aren't required to be there and rely on this functionality to test whether the file is |
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/// present. Once age-specific .fni's are gone, reinstate the return false here. -mcn |
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return true; |
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} |
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for( line = 1; stream->ReadLn( string, sizeof( string ) ); line++ ) |
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{ |
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strncpy( fLastErrorLine, string, sizeof( fLastErrorLine ) ); |
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if( !RunCommand( string, DummyPrintFn ) ) |
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{ |
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sprintf( string, "Error in console file %s, command line %d: %s", fileName, line, fErrorMsg ); |
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ISetErrorMsg( string ); |
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stream->Close(); |
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delete stream; |
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return false; |
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} |
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} |
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stream->Close(); |
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delete stream; |
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fLastErrorLine[ 0 ] = 0; |
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return true; |
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} |
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//// RunCommand ////////////////////////////////////////////////////////////// |
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// Updated 2.14.2001 mcn to support spaces, _ or . as group separators. This |
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// requires tokenizing the entire line and searching the tokens one by one, |
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// parsing them first as groups, then commands and then params. |
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hsBool pfConsoleEngine::RunCommand( char *line, void (*PrintFn)( const char * ) ) |
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{ |
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pfConsoleCmd *cmd; |
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pfConsoleCmdGroup *group, *subGrp; |
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Int32 numParams, i, numQuotedParams = 0; |
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pfConsoleCmdParam paramArray[ fMaxNumParams + 1 ]; |
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char *ptr; |
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hsBool valid = true; |
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hsAssert( line != nil, "Bad parameter to RunCommand()" ); |
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/// Loop #1: Scan for subgroups. This can be an empty loop |
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group = pfConsoleCmdGroup::GetBaseGroup(); |
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ptr = console_strtok( line, false ); |
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while( ptr != nil ) |
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{ |
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// Take this token and check to see if it's a group |
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if( ( subGrp = group->FindSubGroupNoCase( ptr ) ) != nil ) |
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group = subGrp; |
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else |
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break; |
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ptr = console_strtok( line, false ); |
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} |
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if( ptr == nil ) |
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{ |
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ISetErrorMsg( "Invalid command syntax" ); |
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return false; |
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} |
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/// OK, so what we found wasn't a group. Which means we need a command next |
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cmd = group->FindCommandNoCase( ptr ); |
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if( cmd == nil ) |
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{ |
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ISetErrorMsg( "Invalid syntax: command not found" ); |
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return false; |
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} |
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/// We have the group, we have the command from that group. So continue |
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/// tokenizing (with the new separators now, mind you) and turn them into |
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/// params |
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for( numParams = numQuotedParams = 0; numParams < fMaxNumParams |
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&& ( ptr = console_strtok( line, true ) ) != nil |
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&& valid; numParams++ ) |
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{ |
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if( ptr[ 0 ] == '\xFF' ) |
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{ |
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ISetErrorMsg( "Invalid syntax: unterminated quoted parameter" ); |
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return false; |
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} |
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// Special case for context variables--if we're specifying one, we want to just grab |
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// the value of it and return that instead |
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valid = false; |
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if( ptr[ 0 ] == '$' ) |
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{ |
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pfConsoleContext &context = pfConsoleContext::GetRootContext(); |
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// Potential variable, see if we can find it |
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Int32 idx = context.FindVar( ptr + 1 ); |
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if( idx == -1 ) |
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{ |
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ISetErrorMsg( "Invalid console variable name" ); |
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} |
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else |
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{ |
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// Just copy. Note that this will copy string pointers, but so long as the variable in |
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// question doesn't change, we'll be OK... |
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paramArray[ numParams ] = context.GetVarValue( idx ); |
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valid = true; |
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} |
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} |
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if( !valid ) |
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valid = IConvertToParam( cmd->GetSigEntry( (UInt8)numParams ), ptr, ¶mArray[ numParams ] ); |
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} |
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for( i = numParams; i < fMaxNumParams + 1; i++ ) |
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paramArray[ i ].SetNone(); |
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if( !valid || ( cmd->GetSigEntry( (UInt8)numParams ) != pfConsoleCmd::kAny && |
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cmd->GetSigEntry( (UInt8)numParams ) != pfConsoleCmd::kNone ) ) |
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{ |
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// Print help string and return |
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static char string[ 512 ]; |
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ISetErrorMsg( "" ); // Printed on next line |
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PrintFn( "Invalid parameters to command" ); |
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sprintf( string, "Usage: %s", cmd->GetSignature() ); |
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PrintFn( string ); |
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return false; |
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} |
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/// Execute it and return |
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cmd->Execute( numParams, paramArray, PrintFn ); |
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return true; |
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} |
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//// IConvertToParam ///////////////////////////////////////////////////////// |
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// Converts a null-terminated string representing a parameter to a |
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// pfConsoleCmdParam argument. |
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hsBool pfConsoleEngine::IConvertToParam( UInt8 type, char *string, pfConsoleCmdParam *param ) |
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{ |
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char *c, expChars[] = "dDeE+-."; |
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hsBool hasDecimal = false, hasLetters = false; |
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if( type == pfConsoleCmd::kNone ) |
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return false; |
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for( c = string; *c != 0; c++ ) |
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{ |
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if( !isdigit( *c ) ) |
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{ |
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if( c == string && ( *c == '-' || *c == '+' ) ) |
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{ |
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// Do nothing--perfectly legal to have these at the beginning of an int |
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} |
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else if( strchr( expChars, *c ) != nil ) |
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hasDecimal = true; |
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else |
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hasLetters = true; |
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} |
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} |
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if( type == pfConsoleCmd::kAny ) |
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{ |
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/// Want "any" |
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param->SetAny( string ); |
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} |
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else if( type == pfConsoleCmd::kString ) |
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{ |
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/// Want just a string |
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param->SetString( string ); |
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} |
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else if( type == pfConsoleCmd::kFloat ) |
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{ |
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if( hasLetters ) |
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return false; |
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param->SetFloat( (float)atof( string ) ); |
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} |
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else if( type == pfConsoleCmd::kInt ) |
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{ |
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if( hasLetters || hasDecimal ) |
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return false; |
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param->SetInt( atoi( string ) ); |
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} |
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else if( type == pfConsoleCmd::kBool ) |
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{ |
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if( stricmp( string, "true" ) == 0 || stricmp( string, "t" ) == 0 ) |
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param->SetBool( true ); |
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else if( stricmp( string, "false" ) == 0 || stricmp( string, "f" ) == 0 ) |
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param->SetBool( false ); |
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else if( atoi( string ) == 0 ) |
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param->SetBool( false ); |
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else |
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param->SetBool( true ); |
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} |
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return true; |
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} |
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//// FindPartialCmd ////////////////////////////////////////////////////////// |
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// Given a string which is the beginning of a console command, modifies the |
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// string to represent the best match of command (or group) for that string. |
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// WARNING: modifies the string passed to it. |
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hsBool pfConsoleEngine::FindPartialCmd( char *line, hsBool findAgain, hsBool preserveParams ) |
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{ |
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pfConsoleCmd *cmd = nil; |
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pfConsoleCmdGroup *group, *subGrp; |
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hsBool foundMore = false; |
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static char *ptr = nil, *insertLoc = nil; |
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static pfConsoleCmd *lastCmd = nil; |
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static pfConsoleCmdGroup *lastGroup = nil, *lastParentGroup = nil; |
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static char newStr[ 256 ]; |
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/// Repeat search |
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if( !findAgain ) |
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{ |
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lastCmd = nil; |
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lastGroup = nil; |
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} |
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/// New search |
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if( strlen( line ) > sizeof( newStr ) ) |
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return false; |
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newStr[ 0 ] = 0; |
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insertLoc = newStr; |
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/// Loop #1: Scan for subgroups. This can be an empty loop |
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lastParentGroup = group = pfConsoleCmdGroup::GetBaseGroup(); |
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ptr = console_strtok( line, false ); |
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while( ptr != nil ) |
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{ |
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// Take this token and check to see if it's a group |
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if( ( subGrp = group->FindSubGroupNoCase( ptr, 0/*pfConsoleCmdGroup::kFindPartial*/ |
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, /*lastGroup*/nil ) ) != nil ) |
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{ |
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lastParentGroup = group; |
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group = subGrp; |
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strcat( newStr, group->GetName() ); |
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insertLoc += strlen( group->GetName() ); |
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} |
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else |
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break; |
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ptr = console_strtok( line, false ); |
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strcat( newStr, "." ); |
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insertLoc++; |
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} |
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if( ptr != nil ) |
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{ |
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// Still got at least one token left. Try to match to either |
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// a partial group or a partial command |
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if( ( subGrp = group->FindSubGroupNoCase( ptr, pfConsoleCmdGroup::kFindPartial, lastGroup ) ) != nil ) |
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{ |
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lastParentGroup = group; |
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lastGroup = group = subGrp; |
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strcat( newStr, group->GetName() ); |
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strcat( newStr, "." ); |
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} |
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else |
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{ |
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cmd = group->FindCommandNoCase( ptr, pfConsoleCmdGroup::kFindPartial, lastCmd ); |
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if( cmd == nil ) |
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return false; |
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strcat( newStr, cmd->GetName() ); |
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strcat( newStr, " " ); |
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lastCmd = cmd; |
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} |
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} |
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if( preserveParams ) |
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{ |
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/// Preserve the rest of the string after the matched command |
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ptr = strtok( nil, "\0" ); |
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if( ptr != nil ) |
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strcat( newStr, ptr ); |
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} |
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// Copy back! |
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strcpy( line, newStr ); |
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return true; |
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} |
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//// FindNestedPartialCmd //////////////////////////////////////////////////// |
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// Same as FindPartialCmd, only starts from the global group and searches |
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// everything. The string passed should only be a partial command sans |
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// groups. numToSkip specifies how many matches to skip before returning one |
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// (so if numToSkip = 1, then this will return the second match found). |
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hsBool pfConsoleEngine::FindNestedPartialCmd( char *line, UInt32 numToSkip, hsBool preserveParams ) |
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{ |
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pfConsoleCmd *cmd; |
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/// Somewhat easier than FindPartialCmd... |
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cmd = pfConsoleCmdGroup::GetBaseGroup()->FindNestedPartialCommand( line, &numToSkip ); |
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if( cmd == nil ) |
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return false; |
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/// Recurse back up and get the group hierarchy |
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line[ 0 ] = 0; |
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IBuildCmdNameRecurse( cmd->GetParent(), line ); |
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strcat( line, cmd->GetName() ); |
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strcat( line, " " ); |
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if( preserveParams ) |
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{ |
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/// Preserve the rest of the string after the matched command |
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} |
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return true; |
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} |
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//// IBuildCmdNameRecurse //////////////////////////////////////////////////// |
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void pfConsoleEngine::IBuildCmdNameRecurse( pfConsoleCmdGroup *group, char *string ) |
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{ |
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if( group == nil || group == pfConsoleCmdGroup::GetBaseGroup() ) |
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return; |
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IBuildCmdNameRecurse( group->GetParent(), string ); |
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strcat( string, group->GetName() ); |
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strcat( string, "." ); |
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}
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