// string replacer, by Cratylus.
// Use this carelessly at your own peril.
#include <lib.h>
#include <vendor_types.h>
inherit LIB_ITEM;
inherit LIB_TURN;
string a1,a2,a3,line;
int n, active;
static private void validate() {
if(!this_player()) return 0;
if( !(master()->valid_apply(({ "SECURE" }))) || !securep(this_player()))
error("Illegal attempt to use replacer: "+get_stack()+" "+identify(previous_object(-1)));
}
void create(){
::create();
SetKeyName("string replacer");
SetId(({"replacer","thing","gadget","string replacer","device"}));
SetShort("a string replacer");
SetLong("This is the most dangerous device on the mud.\n"+
"It allows you to replace strings in files.\n"+
"To use it, you must first \"turn on replacer\"\n"+
"Then you have two options:\n"+
"To replace a word in one file: replace <filename> <oldword> <newword>\n"+
"To replace a word in EVERY FILE IN YOUR CURRENT WORKING DIRECTORY:\n autorep <oldword> <newword>\n\n"+
"It does not handle spaces or special characters well. Using "+
"strings with parentheses, brackets, or anything other than "+
"the english alphabet may have unexpected results."+
"\n%^RED%^%^BOLD%^ADMIN USE ONLY!%^RESET%^");
SetMass(20);
SetValue(10);
SetVendorType(VT_TREASURE);
active = 0;
}
void init(){
add_action("rep_string","replace");
add_action("autorep","autorep");
}
int eventActivate(){
validate();
write("With an unearthly roar, the string replacer comes "+
"to life. You sense great danger.");
write("\n\nWARNING: Your current working directory is:\n\n");
write(this_player()->query_cwd()+"\n\n");
say(this_player()->GetName()+" turns on "+possessive(this_player())+
" string replacer and you hear a loud, unearthly "+
"roar that makes the ground tremble.");
active = 1;
return 1;
}
int eventDeactivate(){
validate();
write("The string replacer powers off with a peculiar "+
"mechanical whine. You feel safer.");
say(this_player()->GetName()+"'s string replacer "+
"powers down.");
active = 0;
return 1;
}
varargs mixed eventTurn(string str){
validate();
if( this_player() != environment() ) { write("You don't have that."); return 0; }
write("You turn the replacer over in your hands.");
say(this_player()->GetKeyName()+" turns over a string replacer in "+possessive(this_player())+" hands.");
return 1;
}
int eventTurnOn(object ob){
validate();
if( this_player() != environment() ) { write("You don't have that."); return 0; }
if(!creatorp(this_player())) {
write("This device is not usable by mortals.");
return 0;
}
if(active){
write("It's already on.");
return 0;
}
else eventActivate();
return 1;
}
varargs mixed eventTurnOff(string str){
validate();
if( this_player() != environment() ) { write("You don't have that."); return 0; }
if(!active){
write("It's already off.");
return 0;
}
else eventDeactivate();
return 1;
}
int autorep(string str){
string dir, a1, a2;
string *listing;
validate();
if(!active){
write("The string replacer is not turned on.");
return 1;
}
if( !str || str=="" || sscanf(str,"%s %s",a1,a2) != 2){
write("Syntax: autorep <oldword> <newword>\n");
eventDeactivate();
return 1;
}
dir=this_player()->query_cwd()+"/";
listing=get_dir(dir);
foreach(string file in listing){
if(file_size(dir+file) > 0) this_object()->rep_string(file+" "+str);
}
eventDeactivate();
return 1;
}
int rep_string(string str){
string dir,file,tempfile,backup;
int valid_line;
validate();
if(!active){
write("The string replacer is not turned on.");
return 1;
}
valid_line=1;
n=1;
if( !str || str==""){
write("Syntax: replace <filename> <oldword> <newword>\n");
eventDeactivate();
return 1;
}
if(sscanf(str,"%s %s %s",a1,a2,a3) == 3){
dir=this_player()->query_cwd()+"/";
file=dir+a1;
if(file_size(file) <= 0 ) {
write("Invalid filename.");
eventDeactivate();
return 1;
}
tempfile="/tmp/"+lower_case(this_player()->GetName())+".TempReplace";
backup="/tmp/"+lower_case(this_player()->GetName())+"."+a1+".bak";
if(file_size(backup)){ rm(backup); }
if(file_size(tempfile)){ rm(tempfile); }
write("Searching "+a1+" for string: "+a2+".\n");
while(valid_line){
line=read_file(file, n, 1);
if(!line || line=="") valid_line=0;
this_object()->replace(line);
if(line) write_file(tempfile,line);
n++;
}
cp(file, backup);
cp(tempfile, file);
if(file_size(backup)){ rm(backup); }
if(file_size(tempfile)){ rm(tempfile); }
write("Replace action complete. File "+file+" modified.\n");
if(query_verb() == "replace") eventDeactivate();
return 1;
}
write("Syntax: replace <filename> <oldstring> <newstring>\n");
eventDeactivate();
return 1;
}
int replace(string str){
string s1,s2;
validate();
if(sizeof(str) && sscanf(str,"%s"+a2+"%s",s1,s2)>1){
line=s1+a3+s2;
write("Found string in line "+n+". Replacing with: "+a3+".\n");
this_object()->replace(line);
}
return 1;
}
