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/* |
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* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team |
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* Copyright © 2005-2006 Atheme Development Group |
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* Rights to this code are as documented in doc/pod/license.pod. |
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* |
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* Commandtree manipulation routines. |
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* |
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* $Id: commandtree.C,v 1.1 2007-07-19 08:24:56 pippijn Exp $ |
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*/ |
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|
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#include <algorithm> |
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|
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#include "atheme.h" |
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#include "users.h" |
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#include "privs.h" |
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|
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static char const rcsid[] = "$Id: commandtree.C,v 1.1 2007-07-19 08:24:56 pippijn Exp $"; |
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|
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static int text_to_parv (char *text, int maxparc, char **parv); |
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|
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command_t null_cmd = { NULL, NULL, NULL, 0, NULL }; |
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cmdvec null_cmdvec; |
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|
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struct cmd_eq |
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{ |
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cmd_eq () { } |
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cmd_eq (char const *cmd) : cmd (cmd) { } |
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cmd_eq (command_t const &cmd) : cmd (cmd.name) { } |
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|
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bool operator () (command_t const *c) |
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{ |
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return !strcasecmp (c->name, cmd); |
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} |
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|
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/******/ |
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|
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bool operator () (char const *c1, command_t const *c2) |
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{ |
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return !strcasecmp (c1, c2->name); |
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} |
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|
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bool operator () (command_t const *c1, char const *c2) |
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{ |
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return !strcasecmp (c1->name, c2); |
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} |
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|
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bool operator () (command_t const *c1, command_t const *c2) |
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{ |
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return !strcasecmp (c1->name, c2->name); |
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} |
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|
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private: |
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const char *cmd; |
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} cmd_compare; |
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|
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/* |
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* command_add_many() |
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* |
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* Inputs: |
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* array of commands to add, list to add them to. |
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* |
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* Output: |
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* none |
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* |
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* Side Effects: |
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* adds an array of commands to a command list, |
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* via command_add(). |
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*/ |
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void |
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operator << (cmdvec *commandlist, command_t const &cmd) |
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{ |
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if (std::find_if (commandlist->begin (), commandlist->end (), cmd_eq (cmd)) != commandlist->end ()) |
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{ |
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slog (LG_INFO, "command_add(): command %s already in the list", cmd.name); |
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return; |
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} |
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|
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commandlist->push_back (&cmd); |
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} |
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|
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void |
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operator << (cmdvec &commandlist, command_t const *cmd[]) |
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{ |
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unsigned int i; |
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|
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for (i = 0; cmd[i] != NULL; i++) |
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&commandlist << *cmd[i]; |
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} |
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|
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/* |
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* command_delete_many() |
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* |
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* Inputs: |
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* array of commands to delete, list to delete them from. |
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* |
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* Output: |
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* none |
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* |
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* Side Effects: |
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* deletes an array of commands from a command list, |
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* via command_delete(). |
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*/ |
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void |
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operator >> (cmdvec *commandlist, command_t const &cmd) |
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{ |
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commandlist->erase (std::find_if (commandlist->begin (), commandlist->end (), cmd_eq (cmd))); |
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} |
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|
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void |
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operator >> (cmdvec &commandlist, command_t const *cmd[]) |
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{ |
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unsigned int i; |
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|
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for (i = 0; cmd[i] != NULL; i++) |
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&commandlist >> *cmd[i]; |
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} |
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|
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command_t const * |
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cmdvec::find (char const *command) |
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{ |
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cmdvec::iterator it_end = this->end (); |
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cmdvec::iterator it = std::find_if (this->begin (), it_end, cmd_eq (command)); |
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|
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if (it != it_end) |
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return *it; |
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|
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return NULL; |
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} |
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|
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void |
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command_t::exec (service_t *svs, sourceinfo_t *si, int parc, char *parv[]) const |
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{ |
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if (has_priv (si, access)) |
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{ |
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cmd (si, parc, parv); |
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return; |
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} |
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|
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if (has_any_privs (si)) |
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command_fail (si, fault_noprivs, _("You do not have %s privilege."), access); |
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else |
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command_fail (si, fault_noprivs, _("You are not authorized to perform this operation.")); |
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/*snoop(_("DENIED CMD: \2%s\2 used %s %s"), origin, svs->name, cmd); */ |
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} |
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|
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void |
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command_exec_split (service_t *svs, sourceinfo_t *si, char *cmd, char *text, cmdvec *commandlist) |
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{ |
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int parc, i; |
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char *parv[20]; |
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command_t const *c; |
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|
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if ((c = commandlist->find (cmd))) |
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{ |
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parc = text_to_parv (text, c->maxparc, parv); |
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for (i = parc; i < (int) (sizeof (parv) / sizeof (parv[0])); i++) |
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parv[i] = NULL; |
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c->exec (svs, si, parc, parv); |
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} |
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else |
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notice (svs->name, si->su->nick, _("Invalid command. Use \2/%s%s help\2 for a command listing."), (ircd->uses_rcommand == false) ? "msg " : "", svs->disp); |
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} |
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|
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/* |
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* command_help |
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* Iterates the command tree and lists available commands. |
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* |
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* inputs - |
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* si: The origin of the request. |
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* commandtree: The command tree being listed. |
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* |
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* outputs - |
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* A list of available commands. |
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*/ |
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struct render_help |
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{ |
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render_help (sourceinfo_t *si) |
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: si (si) |
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{ |
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} |
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|
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void operator () (command_t const *c) |
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{ |
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/* show only the commands we have access to |
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* (taken from command_exec()) |
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*/ |
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if (has_priv (si, c->access)) |
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command_success_nodata (si, "\2%-15s\2 %s", c->name, c->desc); |
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} |
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|
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sourceinfo_t *si; |
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}; |
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|
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void |
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command_help (sourceinfo_t *si, cmdvec *commandlist) |
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{ |
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if (si->service == NULL || si->service->cmdtree == commandlist) |
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command_success_nodata (si, _("The following commands are available:")); |
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else |
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command_success_nodata (si, _("The following subcommands are available:")); |
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|
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std::for_each (commandlist->begin (), commandlist->end (), render_help (si)); |
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} |
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|
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/* name1 name2 name3... */ |
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static bool |
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string_in_list (char const *str, char const *name) |
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{ |
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char *p; |
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int l; |
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|
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if (str == NULL) |
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return false; |
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l = strlen (name); |
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while (*str != '\0') |
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{ |
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p = strchr (str, ' '); |
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if (p != NULL ? p - str == l && !strncasecmp (str, name, p - str) : !strcasecmp (str, name)) |
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return true; |
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if (p == NULL) |
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return false; |
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str = p; |
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while (*str == ' ') |
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str++; |
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} |
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return false; |
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} |
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|
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/* |
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* command_help_short |
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* Iterates over the command tree and lists available commands. |
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* |
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* inputs - |
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* mynick: The nick of the services bot sending out the notices. |
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* origin: The origin of the request. |
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* commandtree: The command tree being listed. |
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* maincmds: The commands to list verbosely. |
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* |
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* outputs - |
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* A list of available commands. |
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*/ |
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struct render_help_short |
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{ |
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render_help_short (sourceinfo_t *si, char *maincmds) |
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: si (si), maincmds (maincmds) |
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{ |
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} |
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|
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void operator () (command_t const *c) |
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{ |
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/* show only the commands we have access to |
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* (taken from command_exec()) |
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*/ |
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if (string_in_list (maincmds, c->name) && has_priv (si, c->access)) |
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command_success_nodata (si, "\2%-15s\2 %s", c->name, c->desc); |
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} |
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|
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private: |
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sourceinfo_t *si; |
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char *maincmds; |
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}; |
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|
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struct render_list |
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{ |
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render_list (sourceinfo_t *si, string *buf, char *maincmds, size_t length) |
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: si (si), buf (buf), maincmds (maincmds), indent (length) |
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{ |
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} |
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|
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void operator () (command_t const *c) |
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{ |
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/* show only the commands we have access to |
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* (taken from command_exec()) |
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*/ |
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size_t l = indent; |
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if (!string_in_list (maincmds, c->name) && has_priv (si, c->access)) |
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{ |
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if (buf->length () > l) |
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buf->append (", ", 2); |
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if (buf->length () > 55) |
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{ |
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command_success_nodata (si, "%s", buf->c_str ()); |
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buf->reset (); |
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while (--l > 0) |
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buf->append (' '); |
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buf->append (' '); |
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l = indent; |
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} |
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buf->append (c->name, strlen (c->name)); |
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} |
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} |
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|
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private: |
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sourceinfo_t *si; |
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string *buf; |
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char *maincmds; |
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size_t indent; |
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}; |
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|
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void |
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command_help_short (sourceinfo_t *si, cmdvec *commandlist, char *maincmds) |
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{ |
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size_t l; |
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char *lbuf; |
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string buf (256); |
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|
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if (si->service == NULL || si->service->cmdtree == commandlist) |
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command_success_nodata (si, _("The following commands are available:")); |
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else |
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command_success_nodata (si, _("The following subcommands are available:")); |
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|
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std::for_each (commandlist->begin (), commandlist->end (), render_help_short (si, maincmds)); |
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|
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command_success_nodata (si, " "); |
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lbuf = _("Other commands: "); |
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buf.append (lbuf, l = strlen (lbuf)); |
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|
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std::for_each (commandlist->begin (), commandlist->end (), render_list (si, &buf, maincmds, l)); |
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|
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if (buf.length () > l) |
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command_success_nodata (si, "%s", buf.c_str ()); |
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} |
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|
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static int |
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text_to_parv (char *text, int maxparc, char **parv) |
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{ |
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int count = 0; |
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char *p; |
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|
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if (maxparc == 0) |
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return 0; |
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|
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if (!text) |
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return 0; |
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|
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p = text; |
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while (count < maxparc - 1 && (parv[count] = strtok (p, " ")) != NULL) |
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count++, p = NULL; |
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|
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if ((parv[count] = strtok (p, "")) != NULL) |
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{ |
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p = parv[count]; |
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if (*p != '\0') |
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{ |
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p += strlen (p) - 1; |
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while (*p == ' ' && p > parv[count]) |
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p--; |
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p[1] = '\0'; |
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} |
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count++; |
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} |
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return count; |
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} |
