Implement --help parameter.

[irc/quakenet/newserv.git] / patriciasearch / patriciasearch.c

#include <stdio.h>
#include <stdarg.h>
#include <string.h>

#include "../control/control.h"
#include "../irc/irc_config.h"
#include "../lib/irc_string.h"
#include "../parser/parser.h"
#include "../lib/splitline.h"
#include "../lib/version.h"
#include "../lib/stringbuf.h"
#include "../lib/strlfunc.h"
#include "patriciasearch.h"
#include "../lib/version.h"
#include "../newsearch/newsearch.h"

MODULE_VERSION("")

searchCmd *reg_nodesearch;

int do_pnodesearch(void *source, int cargc, char **cargv);

NodeDisplayFunc defaultpnodefn = printnode;

void _init() {
  reg_nodesearch = (searchCmd *)registersearchcommand("nodesearch",NO_OPER,do_pnodesearch, printnode);

  registersearchterm(reg_nodesearch, "users", ps_users_parse, 0, "");
  registersearchterm(reg_nodesearch, "nick", ps_nick_parse, 0, "");
  registersearchterm(reg_nodesearch, "ipvsix", ps_ipv6_parse, 0, "");
}

void _fini() {
  deregistersearchcommand( reg_nodesearch );
}

static void controlwallwrapper(int level, char *format, ...) {
  char buf[1024];
  va_list ap;

  va_start(ap, format);
  vsnprintf(buf, sizeof(buf), format, ap);
  controlwall(NO_OPER, level, "%s", buf);
  va_end(ap);
}

int do_pnodesearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv) {
  nick *sender = source;
  int limit=500;
  int arg=0;
  NodeDisplayFunc display=defaultpnodefn;
  int ret;
  patricia_node_t *subset = iptree->head;
  parsertree *tree;

  if (cargc<1) { 
    reply( sender, "Usage: [flags] <criteria>");
    reply( sender, "For help, see help nodesearch");
    return CMD_OK;
  }

  ret = parseopts(cargc, cargv, &arg, &limit, (void *)&subset, (void *)&display, reg_nodesearch->outputtree, reply, sender);
  if(ret != CMD_OK)
    return ret;

  if (arg>=cargc) {
    reply(sender,"No search terms - aborting.");
    return CMD_ERROR;
  }

  if (arg<(cargc-1)) {
    rejoinline(cargv[arg],cargc-arg);
  }

  tree = parse_string(reg_nodesearch, cargv[arg]);
  if(!tree) {
#ifdef NEWSEARCH_NEWPARSER
    displaystrerror(reply, sender, cargv[arg]);
#else
    reply(sender,"Something went wrong.");
#endif
    return CMD_ERROR;
  }

  ast_nodesearch(tree->root, reply, sender, wall, display, NULL, NULL, limit);

  parse_free(tree);

  return CMD_OK;
}

int do_pnodesearch(void *source, int cargc, char **cargv) {
  return do_pnodesearch_real(controlreply, controlwallwrapper, source, cargc, cargv);
}

void pnodesearch_exe(struct searchNode *search, searchCtx *ctx, patricia_node_t *subset) {
  int matches = 0;
  patricia_node_t *node;
  nick *sender = ctx->sender;
  senderNSExtern = sender;
  int limit = ctx->limit;
  NodeDisplayFunc display = ctx->displayfn;

  /* Get a marker value to mark "seen" channels for unique count */
  //nmarker=nextnodemarker();

  /* The top-level node needs to return a BOOL */
  search=coerceNode(ctx, search, RETURNTYPE_BOOL);

  PATRICIA_WALK(subset, node) {
    if ((search->exe)(ctx, search, node)) {
      if (matches<limit)
        display(ctx, sender, node);

      if (matches==limit)
        ctx->reply(sender, "--- More than %d matches, skipping the rest",limit);
      matches++;
    }
  }
  PATRICIA_WALK_END;

  ctx->reply(sender,"--- End of list: %d matches",
                matches);
}