dosbox-wii/src/shell/shell_cmds.cpp

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2009-11-10 10:07:29 +01:00
/*
* Copyright (C) 2002-2009 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: shell_cmds.cpp,v 1.93 2009-09-21 21:04:25 h-a-l-9000 Exp $ */
#include "dosbox.h"
#include "shell.h"
#include "callback.h"
#include "regs.h"
#include "../dos/drives.h"
#include "support.h"
#include "control.h"
#include <cstring>
#include <cctype>
#include <cstdlib>
#include <vector>
#include <string>
static SHELL_Cmd cmd_list[]={
{ "CHDIR", 1, &DOS_Shell::CMD_CHDIR, "SHELL_CMD_CHDIR_HELP"},
{ "CD", 0, &DOS_Shell::CMD_CHDIR, "SHELL_CMD_CHDIR_HELP"},
{ "CLS", 0, &DOS_Shell::CMD_CLS, "SHELL_CMD_CLS_HELP"},
{ "COPY", 0, &DOS_Shell::CMD_COPY, "SHELL_CMD_COPY_HELP"},
{ "DIR", 0, &DOS_Shell::CMD_DIR, "SHELL_CMD_DIR_HELP"},
{ "DEL", 0, &DOS_Shell::CMD_DELETE, "SHELL_CMD_DELETE_HELP"},
{ "DELETE", 1, &DOS_Shell::CMD_DELETE, "SHELL_CMD_DELETE_HELP"},
{ "ERASE", 1, &DOS_Shell::CMD_DELETE, "SHELL_CMD_DELETE_HELP"},
{ "ECHO", 1, &DOS_Shell::CMD_ECHO, "SHELL_CMD_ECHO_HELP"},
{ "EXIT", 0, &DOS_Shell::CMD_EXIT, "SHELL_CMD_EXIT_HELP"},
{ "HELP", 1, &DOS_Shell::CMD_HELP, "SHELL_CMD_HELP_HELP"},
{ "MKDIR", 1, &DOS_Shell::CMD_MKDIR, "SHELL_CMD_MKDIR_HELP"},
{ "MD", 0, &DOS_Shell::CMD_MKDIR, "SHELL_CMD_MKDIR_HELP"},
{ "RMDIR", 1, &DOS_Shell::CMD_RMDIR, "SHELL_CMD_RMDIR_HELP"},
{ "RD", 0, &DOS_Shell::CMD_RMDIR, "SHELL_CMD_RMDIR_HELP"},
{ "SET", 1, &DOS_Shell::CMD_SET, "SHELL_CMD_SET_HELP"},
{ "IF", 1, &DOS_Shell::CMD_IF, "SHELL_CMD_IF_HELP"},
{ "GOTO", 1, &DOS_Shell::CMD_GOTO, "SHELL_CMD_GOTO_HELP"},
{ "SHIFT", 1, &DOS_Shell::CMD_SHIFT, "SHELL_CMD_SHIFT_HELP"},
{ "TYPE", 0, &DOS_Shell::CMD_TYPE, "SHELL_CMD_TYPE_HELP"},
{ "REM", 1, &DOS_Shell::CMD_REM, "SHELL_CMD_REM_HELP"},
{ "RENAME", 1, &DOS_Shell::CMD_RENAME, "SHELL_CMD_RENAME_HELP"},
{ "REN", 0, &DOS_Shell::CMD_RENAME, "SHELL_CMD_RENAME_HELP"},
{ "PAUSE", 1, &DOS_Shell::CMD_PAUSE, "SHELL_CMD_PAUSE_HELP"},
{ "CALL", 1, &DOS_Shell::CMD_CALL, "SHELL_CMD_CALL_HELP"},
{ "SUBST", 1, &DOS_Shell::CMD_SUBST, "SHELL_CMD_SUBST_HELP"},
{ "LOADHIGH", 0, &DOS_Shell::CMD_LOADHIGH, "SHELL_CMD_LOADHIGH_HELP"},
{ "LH", 1, &DOS_Shell::CMD_LOADHIGH, "SHELL_CMD_LOADHIGH_HELP"},
{ "CHOICE", 0, &DOS_Shell::CMD_CHOICE, "SHELL_CMD_CHOICE_HELP"},
{ "ATTRIB", 1, &DOS_Shell::CMD_ATTRIB, "SHELL_CMD_ATTRIB_HELP"},
{ "PATH", 1, &DOS_Shell::CMD_PATH, "SHELL_CMD_PATH_HELP"},
{ "VER", 0, &DOS_Shell::CMD_VER, "SHELL_CMD_VER_HELP"},
{0,0,0,0}
};
/* support functions */
static char empty_char = 0;
static char* empty_string = &empty_char;
static void StripSpaces(char*&args) {
while(args && *args && isspace(*reinterpret_cast<unsigned char*>(args)))
args++;
}
static void StripSpaces(char*&args,char also) {
while(args && *args && (isspace(*reinterpret_cast<unsigned char*>(args)) || (*args == also)))
args++;
}
static char* ExpandDot(char*args, char* buffer) {
if(*args == '.') {
if(*(args+1) == 0){
strcpy(buffer,"*.*");
return buffer;
}
if( (*(args+1) != '.') && (*(args+1) != '\\') ) {
buffer[0] = '*';
buffer[1] = 0;
strcat(buffer,args);
return buffer;
} else
strcpy (buffer, args);
}
else strcpy(buffer,args);
return buffer;
}
bool DOS_Shell::CheckConfig(char* cmd_in,char*line) {
Section* test = control->GetSectionFromProperty(cmd_in);
if(!test) return false;
if(line && !line[0]) {
std::string val = test->GetPropValue(cmd_in);
if(val != NO_SUCH_PROPERTY) WriteOut("%s\n",val.c_str());
return true;
}
char newcom[1024]; newcom[0] = 0; strcpy(newcom,"z:\\config ");
strcat(newcom,test->GetName()); strcat(newcom," ");
strcat(newcom,cmd_in);strcat(newcom,line);
DoCommand(newcom);
return true;
}
void DOS_Shell::DoCommand(char * line) {
/* First split the line into command and arguments */
line=trim(line);
char cmd_buffer[CMD_MAXLINE];
char * cmd_write=cmd_buffer;
while (*line) {
if (*line==32) break;
if (*line=='/') break;
if (*line=='\t') break;
if (*line=='=') break;
if ((*line=='.') ||(*line =='\\')) { //allow stuff like cd.. and dir.exe cd\kees
*cmd_write=0;
Bit32u cmd_index=0;
while (cmd_list[cmd_index].name) {
if (strcasecmp(cmd_list[cmd_index].name,cmd_buffer)==0) {
(this->*(cmd_list[cmd_index].handler))(line);
return;
}
cmd_index++;
}
}
*cmd_write++=*line++;
}
*cmd_write=0;
if (strlen(cmd_buffer)==0) return;
/* Check the internal list */
Bit32u cmd_index=0;
while (cmd_list[cmd_index].name) {
if (strcasecmp(cmd_list[cmd_index].name,cmd_buffer)==0) {
(this->*(cmd_list[cmd_index].handler))(line);
return;
}
cmd_index++;
}
/* This isn't an internal command execute it */
if(Execute(cmd_buffer,line)) return;
if(CheckConfig(cmd_buffer,line)) return;
WriteOut(MSG_Get("SHELL_EXECUTE_ILLEGAL_COMMAND"),cmd_buffer);
}
#define HELP(command) \
if (ScanCMDBool(args,"?")) { \
WriteOut(MSG_Get("SHELL_CMD_" command "_HELP")); \
const char* long_m = MSG_Get("SHELL_CMD_" command "_HELP_LONG"); \
WriteOut("\n"); \
if(strcmp("Message not Found!\n",long_m)) WriteOut(long_m); \
else WriteOut(command "\n"); \
return; \
}
void DOS_Shell::CMD_CLS(char * args) {
HELP("CLS");
reg_ax=0x0003;
CALLBACK_RunRealInt(0x10);
}
void DOS_Shell::CMD_DELETE(char * args) {
HELP("DELETE");
/* Command uses dta so set it to our internal dta */
RealPt save_dta=dos.dta();
dos.dta(dos.tables.tempdta);
char * rem=ScanCMDRemain(args);
if (rem) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
return;
}
/* If delete accept switches mind the space infront of them. See the dir /p code */
char full[DOS_PATHLENGTH];
char buffer[CROSS_LEN];
args = ExpandDot(args,buffer);
StripSpaces(args);
if (!DOS_Canonicalize(args,full)) { WriteOut(MSG_Get("SHELL_ILLEGAL_PATH"));return; }
//TODO Maybe support confirmation for *.* like dos does.
bool res=DOS_FindFirst(args,0xffff & ~DOS_ATTR_VOLUME);
if (!res) {
WriteOut(MSG_Get("SHELL_CMD_DEL_ERROR"),args);
dos.dta(save_dta);
return;
}
//end can't be 0, but if it is we'll get a nice crash, who cares :)
char * end=strrchr(full,'\\')+1;*end=0;
char name[DOS_NAMELENGTH_ASCII];Bit32u size;Bit16u time,date;Bit8u attr;
DOS_DTA dta(dos.dta());
while (res) {
dta.GetResult(name,size,date,time,attr);
if (!(attr & (DOS_ATTR_DIRECTORY|DOS_ATTR_READ_ONLY))) {
strcpy(end,name);
if (!DOS_UnlinkFile(full)) WriteOut(MSG_Get("SHELL_CMD_DEL_ERROR"),full);
}
res=DOS_FindNext();
}
dos.dta(save_dta);
}
void DOS_Shell::CMD_HELP(char * args){
HELP("HELP");
bool optall=ScanCMDBool(args,"ALL");
/* Print the help */
if(!optall) WriteOut(MSG_Get("SHELL_CMD_HELP"));
Bit32u cmd_index=0,write_count=0;
while (cmd_list[cmd_index].name) {
if (optall || !cmd_list[cmd_index].flags) {
WriteOut("<\033[34;1m%-8s\033[0m> %s",cmd_list[cmd_index].name,MSG_Get(cmd_list[cmd_index].help));
if(!(++write_count%22)) CMD_PAUSE(empty_string);
}
cmd_index++;
}
}
void DOS_Shell::CMD_RENAME(char * args){
HELP("RENAME");
StripSpaces(args);
if(!*args) {SyntaxError();return;}
if((strchr(args,'*')!=NULL) || (strchr(args,'?')!=NULL) ) { WriteOut(MSG_Get("SHELL_CMD_NO_WILD"));return;}
char * arg1=StripWord(args);
char* slash = strrchr(arg1,'\\');
if(slash) {
slash++;
/* If directory specified (crystal caves installer)
* rename from c:\X : rename c:\abc.exe abc.shr.
* File must appear in C:\ */
char dir_source[DOS_PATHLENGTH]={0};
//Copy first and then modify, makes GCC happy
strcpy(dir_source,arg1);
char* dummy = strrchr(dir_source,'\\');
*dummy=0;
if((strlen(dir_source) == 2) && (dir_source[1] == ':'))
strcat(dir_source,"\\"); //X: add slash
char dir_current[DOS_PATHLENGTH];
DOS_GetCurrentDir(0,dir_current);
if(!DOS_ChangeDir(dir_source)) {
WriteOut(MSG_Get("SHELL_ILLEGAL_PATH"));
return;
}
DOS_Rename(slash,args);
DOS_ChangeDir(dir_current);
} else {
DOS_Rename(arg1,args);
}
}
void DOS_Shell::CMD_ECHO(char * args){
HELP("ECHO");
if (!*args) {
if (echo) { WriteOut(MSG_Get("SHELL_CMD_ECHO_ON"));}
else { WriteOut(MSG_Get("SHELL_CMD_ECHO_OFF"));}
return;
}
char buffer[512];
char* pbuffer = buffer;
safe_strncpy(buffer,args,512);
StripSpaces(pbuffer);
if (strcasecmp(pbuffer,"OFF")==0) {
echo=false;
return;
}
if (strcasecmp(pbuffer,"ON")==0) {
echo=true;
return;
}
args++;//skip first character. either a slash or dot or space
size_t len = strlen(args); //TODO check input of else ook nodig is.
if(len && args[len - 1] == '\r') {
LOG(LOG_MISC,LOG_WARN)("Hu ? carriage return allready present. Is this possible?");
WriteOut("%s\n",args);
} else WriteOut("%s\r\n",args);
}
void DOS_Shell::CMD_EXIT(char * args) {
HELP("EXIT");
exit = true;
}
void DOS_Shell::CMD_CHDIR(char * args) {
HELP("CHDIR");
StripSpaces(args);
if (!*args) {
Bit8u drive=DOS_GetDefaultDrive()+'A';
char dir[DOS_PATHLENGTH];
DOS_GetCurrentDir(0,dir);
WriteOut("%c:\\%s\n",drive,dir);
} else if(strlen(args) == 2 && args[1]==':') {
WriteOut(MSG_Get("SHELL_CMD_CHDIR_HINT"),toupper(*reinterpret_cast<unsigned char*>(&args[0])));
} else if (!DOS_ChangeDir(args)) {
/* Changedir failed. Check if the filename is longer then 8 and/or contains spaces */
std::string temps(args),slashpart;
std::string::size_type separator = temps.find_first_of("\\/");
if(!separator) {
slashpart = temps.substr(0,1);
temps.erase(0,1);
}
separator = temps.find_first_of("\\/");
if(separator != std::string::npos) temps.erase(separator);
separator = temps.rfind('.');
if(separator != std::string::npos) temps.erase(separator);
separator = temps.find(' ');
if(separator != std::string::npos) {/* Contains spaces */
temps.erase(separator);
if(temps.size() >6) temps.erase(6);
temps += "~1";
WriteOut(MSG_Get("SHELL_CMD_CHDIR_HINT_2"),temps.insert(0,slashpart).c_str());
} else if (temps.size()>8) {
temps.erase(6);
temps += "~1";
WriteOut(MSG_Get("SHELL_CMD_CHDIR_HINT_2"),temps.insert(0,slashpart).c_str());
} else {
Bit8u drive=DOS_GetDefaultDrive()+'A';
if (drive=='Z') {
WriteOut(MSG_Get("SHELL_CMD_CHDIR_HINT_3"));
} else {
WriteOut(MSG_Get("SHELL_CMD_CHDIR_ERROR"),args);
}
}
}
}
void DOS_Shell::CMD_MKDIR(char * args) {
HELP("MKDIR");
StripSpaces(args);
char * rem=ScanCMDRemain(args);
if (rem) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
return;
}
if (!DOS_MakeDir(args)) {
WriteOut(MSG_Get("SHELL_CMD_MKDIR_ERROR"),args);
}
}
void DOS_Shell::CMD_RMDIR(char * args) {
HELP("RMDIR");
StripSpaces(args);
char * rem=ScanCMDRemain(args);
if (rem) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
return;
}
if (!DOS_RemoveDir(args)) {
WriteOut(MSG_Get("SHELL_CMD_RMDIR_ERROR"),args);
}
}
static void FormatNumber(Bitu num,char * buf) {
Bitu numm,numk,numb,numg;
numb=num % 1000;
num/=1000;
numk=num % 1000;
num/=1000;
numm=num % 1000;
num/=1000;
numg=num;
if (numg) {
sprintf(buf,"%d,%03d,%03d,%03d",numg,numm,numk,numb);
return;
};
if (numm) {
sprintf(buf,"%d,%03d,%03d",numm,numk,numb);
return;
};
if (numk) {
sprintf(buf,"%d,%03d",numk,numb);
return;
};
sprintf(buf,"%d",numb);
}
void DOS_Shell::CMD_DIR(char * args) {
HELP("DIR");
char numformat[16];
char path[DOS_PATHLENGTH];
std::string line;
if(GetEnvStr("DIRCMD",line)){
std::string::size_type idx = line.find('=');
std::string value=line.substr(idx +1 , std::string::npos);
line = std::string(args) + " " + value;
args=const_cast<char*>(line.c_str());
}
bool optW=ScanCMDBool(args,"W");
ScanCMDBool(args,"S");
bool optP=ScanCMDBool(args,"P");
if (ScanCMDBool(args,"WP") || ScanCMDBool(args,"PW")) {
optW=optP=true;
}
bool optB=ScanCMDBool(args,"B");
bool optAD=ScanCMDBool(args,"AD");
char * rem=ScanCMDRemain(args);
if (rem) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
return;
}
Bit32u byte_count,file_count,dir_count;
Bitu w_count=0;
Bitu p_count=0;
Bitu w_size = optW?5:1;
byte_count=file_count=dir_count=0;
char buffer[CROSS_LEN];
args = trim(args);
size_t argLen = strlen(args);
if (argLen == 0) {
strcpy(args,"*.*"); //no arguments.
} else {
switch (args[argLen-1])
{
case '\\': // handle \, C:\, etc.
case ':' : // handle C:, etc.
strcat(args,"*.*");
break;
default:
break;
}
}
args = ExpandDot(args,buffer);
if (!strrchr(args,'*') && !strrchr(args,'?')) {
Bit16u attribute=0;
if(DOS_GetFileAttr(args,&attribute) && (attribute&DOS_ATTR_DIRECTORY) ) {
strcat(args,"\\*.*"); // if no wildcard and a directory, get its files
}
}
if (!strrchr(args,'.')) {
strcat(args,".*"); // if no extension, get them all
}
/* Make a full path in the args */
if (!DOS_Canonicalize(args,path)) {
WriteOut(MSG_Get("SHELL_ILLEGAL_PATH"));
return;
}
*(strrchr(path,'\\')+1)=0;
if (!optB) WriteOut(MSG_Get("SHELL_CMD_DIR_INTRO"),path);
/* Command uses dta so set it to our internal dta */
RealPt save_dta=dos.dta();
dos.dta(dos.tables.tempdta);
DOS_DTA dta(dos.dta());
bool ret=DOS_FindFirst(args,0xffff & ~DOS_ATTR_VOLUME);
if (!ret) {
if (!optB) WriteOut(MSG_Get("SHELL_CMD_FILE_NOT_FOUND"),args);
dos.dta(save_dta);
return;
}
do { /* File name and extension */
char name[DOS_NAMELENGTH_ASCII];Bit32u size;Bit16u date;Bit16u time;Bit8u attr;
dta.GetResult(name,size,date,time,attr);
/* Skip non-directories if option AD is present */
if(optAD && !(attr&DOS_ATTR_DIRECTORY) ) continue;
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/* output the file */
if (optB) {
// this overrides pretty much everything
if (strcmp(".",name) && strcmp("..",name)) {
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WriteOut("%s\n",name);
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}
} else {
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char * ext = empty_string;
if (!optW && (name[0] != '.')) {
ext = strrchr(name, '.');
if (!ext) ext = empty_string;
else *ext++ = 0;
}
Bit8u day = (Bit8u)(date & 0x001f);
Bit8u month = (Bit8u)((date >> 5) & 0x000f);
Bit16u year = (Bit16u)((date >> 9) + 1980);
Bit8u hour = (Bit8u)((time >> 5 ) >> 6);
Bit8u minute = (Bit8u)((time >> 5) & 0x003f);
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if (attr & DOS_ATTR_DIRECTORY) {
if (optW) {
WriteOut("[%s]",name);
size_t namelen = strlen(name);
if (namelen <= 14) {
for (size_t i=14-namelen;i>0;i--) WriteOut(" ");
}
} else {
WriteOut("%-8s %-3s %-16s %02d-%02d-%04d %2d:%02d\n",name,ext,"<DIR>",day,month,year,hour,minute);
}
dir_count++;
} else {
if (optW) {
WriteOut("%-16s",name);
} else {
FormatNumber(size,numformat);
WriteOut("%-8s %-3s %16s %02d-%02d-%04d %2d:%02d\n",name,ext,numformat,day,month,year,hour,minute);
}
file_count++;
byte_count+=size;
}
if (optW) {
w_count++;
}
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}
if (optP && !(++p_count%(22*w_size))) {
CMD_PAUSE(empty_string);
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}
} while ( (ret=DOS_FindNext()) );
if (optW) {
if (w_count%5) WriteOut("\n");
}
if (!optB) {
/* Show the summary of results */
FormatNumber(byte_count,numformat);
WriteOut(MSG_Get("SHELL_CMD_DIR_BYTES_USED"),file_count,numformat);
Bit8u drive=dta.GetSearchDrive();
//TODO Free Space
Bitu free_space=1024*1024*100;
if (Drives[drive]) {
Bit16u bytes_sector;Bit8u sectors_cluster;Bit16u total_clusters;Bit16u free_clusters;
Drives[drive]->AllocationInfo(&bytes_sector,&sectors_cluster,&total_clusters,&free_clusters);
free_space=bytes_sector*sectors_cluster*free_clusters;
}
FormatNumber(free_space,numformat);
WriteOut(MSG_Get("SHELL_CMD_DIR_BYTES_FREE"),dir_count,numformat);
}
dos.dta(save_dta);
}
struct copysource {
std::string filename;
bool concat;
copysource(std::string filein,bool concatin):
filename(filein),concat(concatin){ };
copysource():filename(""),concat(false){ };
};
void DOS_Shell::CMD_COPY(char * args) {
HELP("COPY");
static char defaulttarget[] = ".";
StripSpaces(args);
/* Command uses dta so set it to our internal dta */
RealPt save_dta=dos.dta();
dos.dta(dos.tables.tempdta);
DOS_DTA dta(dos.dta());
Bit32u size;Bit16u date;Bit16u time;Bit8u attr;
char name[DOS_NAMELENGTH_ASCII];
std::vector<copysource> sources;
// ignore /b and /t switches: always copy binary
while(ScanCMDBool(args,"B")) ;
while(ScanCMDBool(args,"T")) ; //Shouldn't this be A ?
while(ScanCMDBool(args,"A")) ;
ScanCMDBool(args,"Y");
ScanCMDBool(args,"-Y");
char * rem=ScanCMDRemain(args);
if (rem) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
dos.dta(save_dta);
return;
}
// Gather all sources (extension to copy more then 1 file specified at commandline)
// Concatating files go as follows: All parts except for the last bear the concat flag.
// This construction allows them to be counted (only the non concat set)
char* source_p = NULL;
char source_x[DOS_PATHLENGTH+CROSS_LEN];
while ( (source_p = StripWord(args)) && *source_p ) {
do {
char* plus = strchr(source_p,'+');
if (plus) *plus++ = 0;
safe_strncpy(source_x,source_p,CROSS_LEN);
bool has_drive_spec = false;
size_t source_x_len = strlen(source_x);
if (source_x_len>0) {
if (source_x[source_x_len-1]==':') has_drive_spec = true;
}
if (!has_drive_spec) {
if (DOS_FindFirst(source_p,0xffff & ~DOS_ATTR_VOLUME)) {
dta.GetResult(name,size,date,time,attr);
if (attr & DOS_ATTR_DIRECTORY && !strstr(source_p,"*.*"))
strcat(source_x,"\\*.*");
}
}
sources.push_back(copysource(source_x,(plus)?true:false));
source_p = plus;
} while(source_p && *source_p);
}
// At least one source has to be there
if (!sources.size() || !sources[0].filename.size()) {
WriteOut(MSG_Get("SHELL_MISSING_PARAMETER"));
dos.dta(save_dta);
return;
};
copysource target;
// If more then one object exists and last target is not part of a
// concat sequence then make it the target.
if(sources.size()>1 && !sources[sources.size()-2].concat){
target = sources.back();
sources.pop_back();
}
//If no target => default target with concat flag true to detect a+b+c
if(target.filename.size() == 0) target = copysource(defaulttarget,true);
copysource oldsource;
copysource source;
Bit32u count = 0;
while(sources.size()) {
/* Get next source item and keep track of old source for concat start end */
oldsource = source;
source = sources[0];
sources.erase(sources.begin());
//Skip first file if doing a+b+c. Set target to first file
if(!oldsource.concat && source.concat && target.concat) {
target = source;
continue;
}
/* Make a full path in the args */
char pathSource[DOS_PATHLENGTH];
char pathTarget[DOS_PATHLENGTH];
if (!DOS_Canonicalize(const_cast<char*>(source.filename.c_str()),pathSource)) {
WriteOut(MSG_Get("SHELL_ILLEGAL_PATH"));
dos.dta(save_dta);
return;
}
// cut search pattern
char* pos = strrchr(pathSource,'\\');
if (pos) *(pos+1) = 0;
if (!DOS_Canonicalize(const_cast<char*>(target.filename.c_str()),pathTarget)) {
WriteOut(MSG_Get("SHELL_ILLEGAL_PATH"));
dos.dta(save_dta);
return;
}
char* temp = strstr(pathTarget,"*.*");
if(temp) *temp = 0;//strip off *.* from target
// add '\\' if target is a directoy
if (pathTarget[strlen(pathTarget)-1]!='\\') {
if (DOS_FindFirst(pathTarget,0xffff & ~DOS_ATTR_VOLUME)) {
dta.GetResult(name,size,date,time,attr);
if (attr & DOS_ATTR_DIRECTORY)
strcat(pathTarget,"\\");
}
};
//Find first sourcefile
bool ret = DOS_FindFirst(const_cast<char*>(source.filename.c_str()),0xffff & ~DOS_ATTR_VOLUME);
if (!ret) {
WriteOut(MSG_Get("SHELL_CMD_FILE_NOT_FOUND"),const_cast<char*>(source.filename.c_str()));
dos.dta(save_dta);
return;
}
Bit16u sourceHandle,targetHandle;
char nameTarget[DOS_PATHLENGTH];
char nameSource[DOS_PATHLENGTH];
while (ret) {
dta.GetResult(name,size,date,time,attr);
if ((attr & DOS_ATTR_DIRECTORY)==0) {
strcpy(nameSource,pathSource);
strcat(nameSource,name);
// Open Source
if (DOS_OpenFile(nameSource,0,&sourceHandle)) {
// Create Target or open it if in concat mode
strcpy(nameTarget,pathTarget);
if (nameTarget[strlen(nameTarget)-1]=='\\') strcat(nameTarget,name);
//Don't create a newfile when in concat mode
if (oldsource.concat || DOS_CreateFile(nameTarget,0,&targetHandle)) {
Bit32u dummy=0;
//In concat mode. Open the target and seek to the eof
if (!oldsource.concat || (DOS_OpenFile(nameTarget,OPEN_READWRITE,&targetHandle) &&
DOS_SeekFile(targetHandle,&dummy,DOS_SEEK_END))) {
// Copy
static Bit8u buffer[0x8000]; // static, otherwise stack overflow possible.
bool failed = false;
Bit16u toread = 0x8000;
do {
failed |= DOS_ReadFile(sourceHandle,buffer,&toread);
failed |= DOS_WriteFile(targetHandle,buffer,&toread);
} while (toread==0x8000);
failed |= DOS_CloseFile(sourceHandle);
failed |= DOS_CloseFile(targetHandle);
WriteOut(" %s\n",name);
if(!source.concat) count++; //Only count concat files once
} else {
DOS_CloseFile(sourceHandle);
WriteOut(MSG_Get("SHELL_CMD_COPY_FAILURE"),const_cast<char*>(target.filename.c_str()));
}
} else {
DOS_CloseFile(sourceHandle);
WriteOut(MSG_Get("SHELL_CMD_COPY_FAILURE"),const_cast<char*>(target.filename.c_str()));
}
} else WriteOut(MSG_Get("SHELL_CMD_COPY_FAILURE"),const_cast<char*>(source.filename.c_str()));
};
//On the next file
ret = DOS_FindNext();
};
}
WriteOut(MSG_Get("SHELL_CMD_COPY_SUCCESS"),count);
dos.dta(save_dta);
}
void DOS_Shell::CMD_SET(char * args) {
HELP("SET");
StripSpaces(args);
std::string line;
if (!*args) {
/* No command line show all environment lines */
Bitu count=GetEnvCount();
for (Bitu a=0;a<count;a++) {
if (GetEnvNum(a,line)) WriteOut("%s\n",line.c_str());
}
return;
}
char * p=strpbrk(args, "=");
if (!p) {
if (!GetEnvStr(args,line)) WriteOut(MSG_Get("SHELL_CMD_SET_NOT_SET"),args);
WriteOut("%s\n",line.c_str());
} else {
*p++=0;
/* parse p for envirionment variables */
char parsed[CMD_MAXLINE];
char* p_parsed = parsed;
while(*p) {
if(*p != '%') *p_parsed++ = *p++; //Just add it (most likely path)
else if( *(p+1) == '%') {
*p_parsed++ = '%'; p += 2; //%% => %
} else {
char * second = strchr(++p,'%');
if(!second) continue; *second++ = 0;
std::string temp;
if (GetEnvStr(p,temp)) {
std::string::size_type equals = temp.find('=');
if (equals == std::string::npos) continue;
strcpy(p_parsed,temp.substr(equals+1).c_str());
p_parsed += strlen(p_parsed);
}
p = second;
}
}
*p_parsed = 0;
/* Try setting the variable */
if (!SetEnv(args,parsed)) {
WriteOut(MSG_Get("SHELL_CMD_SET_OUT_OF_SPACE"));
}
}
}
void DOS_Shell::CMD_IF(char * args) {
HELP("IF");
StripSpaces(args,'=');
bool has_not=false;
while (strncasecmp(args,"NOT",3) == 0) {
if (!isspace(*reinterpret_cast<unsigned char*>(&args[3])) && (args[3] != '=')) break;
args += 3; //skip text
//skip more spaces
StripSpaces(args,'=');
has_not = !has_not;
}
if(strncasecmp(args,"ERRORLEVEL",10) == 0) {
args += 10; //skip text
//Strip spaces and ==
StripSpaces(args,'=');
char* word = StripWord(args);
if(!isdigit(*word)) {
WriteOut(MSG_Get("SHELL_CMD_IF_ERRORLEVEL_MISSING_NUMBER"));
return;
}
Bit8u n = 0;
do n = n * 10 + (*word - '0');
while (isdigit(*++word));
if(*word && !isspace(*word)) {
WriteOut(MSG_Get("SHELL_CMD_IF_ERRORLEVEL_INVALID_NUMBER"));
return;
}
/* Read the error code from DOS */
if ((dos.return_code>=n) ==(!has_not)) DoCommand(args);
return;
}
if(strncasecmp(args,"EXIST ",6) == 0) {
args += 6; //Skip text
StripSpaces(args);
char* word = StripWord(args);
if (!*word) {
WriteOut(MSG_Get("SHELL_CMD_IF_EXIST_MISSING_FILENAME"));
return;
}
{ /* DOS_FindFirst uses dta so set it to our internal dta */
RealPt save_dta=dos.dta();
dos.dta(dos.tables.tempdta);
bool ret=DOS_FindFirst(word,0xffff & ~DOS_ATTR_VOLUME);
dos.dta(save_dta);
if (ret==(!has_not)) DoCommand(args);
}
return;
}
/* Normal if string compare */
char* word1 = args;
// first word is until space or =
while (*args && !isspace(*reinterpret_cast<unsigned char*>(args)) && (*args != '='))
args++;
char* end_word1 = args;
// scan for =
while (*args && (*args != '='))
args++;
// check for ==
if ((*args==0) || (args[1] != '=')) {
SyntaxError();
return;
}
args += 2;
StripSpaces(args,'=');
char* word2 = args;
// second word is until space or =
while (*args && !isspace(*reinterpret_cast<unsigned char*>(args)) && (*args != '='))
args++;
if (*args) {
*end_word1 = 0; // mark end of first word
*args++ = 0; // mark end of second word
StripSpaces(args,'=');
if ((strcmp(word1,word2)==0)==(!has_not)) DoCommand(args);
}
}
void DOS_Shell::CMD_GOTO(char * args) {
HELP("GOTO");
StripSpaces(args);
if (!bf) return;
if (*args &&(*args==':')) args++;
//label ends at the first space
char* non_space = args;
while (*non_space) {
if((*non_space == ' ') || (*non_space == '\t'))
*non_space = 0;
else non_space++;
}
if (!*args) {
WriteOut(MSG_Get("SHELL_CMD_GOTO_MISSING_LABEL"));
return;
}
if (!bf->Goto(args)) {
WriteOut(MSG_Get("SHELL_CMD_GOTO_LABEL_NOT_FOUND"),args);
return;
}
}
void DOS_Shell::CMD_SHIFT(char * args ) {
HELP("SHIFT");
if(bf) bf->Shift();
}
void DOS_Shell::CMD_TYPE(char * args) {
HELP("TYPE");
StripSpaces(args);
if (!*args) {
WriteOut(MSG_Get("SHELL_SYNTAXERROR"));
return;
}
Bit16u handle;
char * word;
nextfile:
word=StripWord(args);
if (!DOS_OpenFile(word,0,&handle)) {
WriteOut(MSG_Get("SHELL_CMD_FILE_NOT_FOUND"),word);
return;
}
Bit16u n;Bit8u c;
do {
n=1;
DOS_ReadFile(handle,&c,&n);
DOS_WriteFile(STDOUT,&c,&n);
} while (n);
DOS_CloseFile(handle);
if (*args) goto nextfile;
}
void DOS_Shell::CMD_REM(char * args) {
HELP("REM");
}
void DOS_Shell::CMD_PAUSE(char * args){
HELP("PAUSE");
WriteOut(MSG_Get("SHELL_CMD_PAUSE"));
Bit8u c;Bit16u n=1;
DOS_ReadFile (STDIN,&c,&n);
}
void DOS_Shell::CMD_CALL(char * args){
HELP("CALL");
this->call=true; /* else the old batchfile will be closed first */
this->ParseLine(args);
this->call=false;
}
void DOS_Shell::CMD_SUBST (char * args) {
/* If more that one type can be substed think of something else
* E.g. make basedir member dos_drive instead of localdrive
*/
HELP("SUBST");
localDrive* ldp=0;
char mountstring[DOS_PATHLENGTH+CROSS_LEN+20];
char temp_str[2] = { 0,0 };
try {
strcpy(mountstring,"MOUNT ");
StripSpaces(args);
std::string arg;
CommandLine command(0,args);
if (command.GetCount() != 2) throw 0 ;
command.FindCommand(2,arg);
if((arg=="/D" ) || (arg=="/d")) throw 1; //No removal (one day)
command.FindCommand(1,arg);
if( (arg.size()>1) && arg[1] !=':') throw(0);
temp_str[0]=(char)toupper(args[0]);
if(Drives[temp_str[0]-'A'] ) throw 0; //targetdrive in use
strcat(mountstring,temp_str);
strcat(mountstring," ");
command.FindCommand(2,arg);
Bit8u drive;char fulldir[DOS_PATHLENGTH];
if (!DOS_MakeName(const_cast<char*>(arg.c_str()),fulldir,&drive)) throw 0;
if( ( ldp=dynamic_cast<localDrive*>(Drives[drive])) == 0 ) throw 0;
char newname[CROSS_LEN];
strcpy(newname, ldp->basedir);
strcat(newname,fulldir);
CROSS_FILENAME(newname);
ldp->dirCache.ExpandName(newname);
strcat(mountstring,"\"");
strcat(mountstring, newname);
strcat(mountstring,"\"");
this->ParseLine(mountstring);
}
catch(int a){
if(a == 0) {
WriteOut(MSG_Get("SHELL_CMD_SUBST_FAILURE"));
} else {
WriteOut(MSG_Get("SHELL_CMD_SUBST_NO_REMOVE"));
}
return;
}
catch(...) { //dynamic cast failed =>so no localdrive
WriteOut(MSG_Get("SHELL_CMD_SUBST_FAILURE"));
return;
}
return;
}
void DOS_Shell::CMD_LOADHIGH(char *args){
HELP("LOADHIGH");
Bit16u umb_start=dos_infoblock.GetStartOfUMBChain();
Bit8u umb_flag=dos_infoblock.GetUMBChainState();
Bit8u old_memstrat=(Bit8u)(DOS_GetMemAllocStrategy()&0xff);
if (umb_start==0x9fff) {
if ((umb_flag&1)==0) DOS_LinkUMBsToMemChain(1);
DOS_SetMemAllocStrategy(0x80); // search in UMBs first
this->ParseLine(args);
Bit8u current_umb_flag=dos_infoblock.GetUMBChainState();
if ((current_umb_flag&1)!=(umb_flag&1)) DOS_LinkUMBsToMemChain(umb_flag);
DOS_SetMemAllocStrategy(old_memstrat); // restore strategy
} else this->ParseLine(args);
}
void DOS_Shell::CMD_CHOICE(char * args){
HELP("CHOICE");
static char defchoice[3] = {'y','n',0};
char *rem = NULL, *ptr;
bool optN = ScanCMDBool(args,"N");
bool optS = ScanCMDBool(args,"S"); //Case-sensitive matching
ScanCMDBool(args,"T"); //Default Choice after timeout
if (args) {
char *last = strchr(args,0);
StripSpaces(args);
rem = ScanCMDRemain(args);
if (rem && *rem && (tolower(rem[1]) != 'c')) {
WriteOut(MSG_Get("SHELL_ILLEGAL_SWITCH"),rem);
return;
}
if (args == rem) args = strchr(rem,0)+1;
if (rem) rem += 2;
if(rem && rem[0]==':') rem++; /* optional : after /c */
if (args > last) args = NULL;
}
if (!rem || !*rem) rem = defchoice; /* No choices specified use YN */
ptr = rem;
Bit8u c;
if(!optS) while ((c = *ptr)) *ptr++ = (char)toupper(c); /* When in no case-sensitive mode. make everything upcase */
if(args && *args ) {
StripSpaces(args);
size_t argslen = strlen(args);
if(argslen>1 && args[0] == '"' && args[argslen-1] =='"') {
args[argslen-1] = 0; //Remove quotes
args++;
}
WriteOut(args);
}
/* Show question prompt of the form [a,b]? where a b are the choice values */
if (!optN) {
if(args && *args) WriteOut(" ");
WriteOut("[");
size_t len = strlen(rem);
for(size_t t = 1; t < len; t++) {
WriteOut("%c,",rem[t-1]);
}
WriteOut("%c]?",rem[len-1]);
}
Bit16u n=1;
do {
DOS_ReadFile (STDIN,&c,&n);
} while (!c || !(ptr = strchr(rem,(optS?c:toupper(c)))));
c = optS?c:(Bit8u)toupper(c);
DOS_WriteFile (STDOUT,&c, &n);
dos.return_code = (Bit8u)(ptr-rem+1);
}
void DOS_Shell::CMD_ATTRIB(char *args){
HELP("ATTRIB");
// No-Op for now.
}
void DOS_Shell::CMD_PATH(char *args){
HELP("PATH");
if(args && *args && strlen(args)){
char pathstring[DOS_PATHLENGTH+CROSS_LEN+20]={ 0 };
strcpy(pathstring,"set PATH=");
while(args && *args && (*args=='='|| *args==' '))
args++;
strcat(pathstring,args);
this->ParseLine(pathstring);
return;
} else {
std::string line;
if(GetEnvStr("PATH",line)) {
WriteOut("%s",line.c_str());
} else {
WriteOut("PATH=(null)");
}
}
}
void DOS_Shell::CMD_VER(char *args) {
HELP("VER");
if(args && *args) {
char* word = StripWord(args);
if(strcasecmp(word,"set")) return;
word = StripWord(args);
dos.version.major = (Bit8u)(atoi(word));
dos.version.minor = (Bit8u)(atoi(args));
} else WriteOut(MSG_Get("SHELL_CMD_VER_VER"),VERSION,dos.version.major,dos.version.minor);
}