Files
lsl-shell/modules/pkg.lsl
2020-04-19 02:09:12 +02:00

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string ENDPOINT_SCRIPT_NAME = "endpoint.lsl";
string COMMAND = "pkg";
string USAGE = \
"usage: pkg [-h] command [args...]
Install or uninstall modules from a nearby repository.
arguments:
install MODULE install MODULE
uninstall MODULE uninstall MODULE
enable MODULE enable MODULE
disable MODULE disable MODULE
list list installable modules
current list currently installed modules
optional arguments:
-h, --help show help and exit
";
string pkg(list params)
{
// Display help
if(llListFindList(params, ["-h"]) != -1 ||
llListFindList(params, ["--help"]) != -1)
{
return USAGE;
}
string cmd = llList2String(params, 0);
string module = llList2String(params, 1);
if(cmd == "install") return install_module(module);
else if(cmd == "uninstall") return uninstall_module(module);
else if(cmd == "enable") return enable_module(module);
else if(cmd == "disable") return disable_module(module);
else if(cmd == "list") return list_modules();
else if(cmd == "current") return list_installed_modules();
return llList2Json(JSON_OBJECT, ["error", "Invalid command."]);
}
string install_module(string module)
{
return "TODO";
}
string uninstall_module(string module)
{
return "TODO";
}
string enable_module(string module)
{
string name = module;
if(module == "") return llList2Json(JSON_OBJECT, ["error", "Missing argument."]);
// Append extension if it's missing
if(llGetSubString(module, -4, -1) != ".lsl") module = module + ".lsl";
else name = llGetSubString(module, 0, -5);
// Return error if module does not exist
integer exists = llListFindList(get_installed_modules(), [module]);
if(exists == -1) return llList2Json(JSON_OBJECT, ["error", "Module is not installed."]);
if(llGetScriptState(module) == FALSE)
{
llSetScriptState(module, TRUE);
return "Module '" + name + "' enabled.";
}
return llList2Json(JSON_OBJECT, ["error", "Module '" + name + "' is already enabled."]);
}
string disable_module(string module)
{
// TODO Refactor; lots of code duplication
string name = module;
if(module == "") return llList2Json(JSON_OBJECT, ["error", "Missing argument."]);
// Append extension if it's missing
if(llGetSubString(module, -4, -1) != ".lsl") module = module + ".lsl";
else name = llGetSubString(module, 0, -5);
// Return error if module does not exist
integer exists = llListFindList(get_installed_modules(), [module]);
if(exists == -1) return llList2Json(JSON_OBJECT, ["error", "Module is not installed."]);
if(llGetScriptState(module) == TRUE)
{
llSetScriptState(module, FALSE);
return "Module '" + name + "' disabled.";
}
return llList2Json(JSON_OBJECT, ["error", "Module '" + name + "' is already disabled."]);
}
string list_modules()
{
return llList2Json(JSON_ARRAY, ["TODO 1", "TODO 2"]);
}
string list_installed_modules()
{
list rows = [llList2Json(JSON_ARRAY, ["Name", "Version"])];
list modules = get_installed_modules();
integer count = llGetListLength(modules);
while(count--)
{
// TODO Get version number
string name = llList2String(modules, count);
name = llGetSubString(name, 0, -5);
rows += [llList2Json(JSON_ARRAY, [name, "unknown"])];
}
return llList2Json(JSON_ARRAY, rows);
}
list get_installed_modules()
{
/* Return a list of installed modules. */
list modules;
integer count = llGetInventoryNumber(INVENTORY_SCRIPT);
while(count--)
{
string name = llGetInventoryName(INVENTORY_SCRIPT, count);
if(name != llGetScriptName() && name != ENDPOINT_SCRIPT_NAME)
{
string extension = llGetSubString(name, -4, -1);
if(extension == ".lsl")
{
modules += [name];
}
}
}
return modules;
}
default
{
link_message(integer sender, integer num, string msg, key id)
{
list params = llParseString2List(msg, [" "], [""]);
string param0 = llList2String(params, 0);
if(id == "get_commands")
{
llMessageLinked(LINK_SET, 0, COMMAND + "|" + USAGE, "command_info");
}
else if(param0 == COMMAND)
{
string result = pkg(llDeleteSubList(params, 0, 0));
llMessageLinked(LINK_SET, 1, result, id);
}
}
}