newsearch/newsearch.h

   1 #include "../nick/nick.h"
   2 #include "../lib/sstring.h"
   3 #include "../parser/parser.h"
   4 #include "../channel/channel.h"
   5 #include "../lib/flags.h"
   6 #include "../authext/authext.h"
   7 #include "../patricia/patricia.h"
   8 #include "../whowas/whowas.h"
   9
  10 #ifndef __NEWSEARCH_H
  11 #define __NEWSEARCH_H
  12
  13 #define    NSMAX_KILL_LIMIT       500
  14 #define    NSMAX_GLINE_LIMIT      500
  15
  16 /* gline duration, in seconds */
  17 #define    NSGLINE_DURATION       3600
  18
  19 #define    NSMAX_REASON_LEN       120
  20 #define    NSMAX_NOTICE_LEN       250
  21 #define    NSMAX_COMMAND_LEN      20
  22
  23 #define    RETURNTYPE_BOOL        0x01
  24 #define    RETURNTYPE_INT         0x02
  25 #define    RETURNTYPE_STRING      0x03
  26 #define    RETURNTYPE_TYPE        0xFF
  27 #define    RETURNTYPE_CONST       0x100
  28
  29 #define    VARIABLE_LEN    10
  30 #define    MAX_VARIABLES   10
  31
  32 struct searchNode;
  33 struct searchCtx;
  34 struct coercedata;
  35
  36 typedef struct searchNode *(*searchParseFunc)(struct searchCtx *ctx, char *input);
  37 typedef void (*replyFunc)(nick *np, char *format, ...);
  38 typedef void (*wallFunc)(int level, char *format, ...);
  39
  40 typedef struct searchNode *(*parseFunc)(struct searchCtx *, int, char **);
  41 typedef void (*freeFunc)(struct searchCtx *, struct searchNode *);
  42 typedef void *(*exeFunc)(struct searchCtx *, struct searchNode *, void *);
  43 typedef void (*ChanDisplayFunc)(struct searchCtx *, nick *, chanindex *);
  44 typedef void (*NickDisplayFunc)(struct searchCtx *, nick *, nick *);
  45 typedef void (*UserDisplayFunc)(struct searchCtx *, nick *, authname *);
  46 typedef void (*WhowasDisplayFunc)(struct searchCtx *, nick *, whowas *);
  47 typedef void (*HeaderFunc)(void *sender, void *arg);
  48
  49 struct coercedata {
  50   struct searchNode *child;
  51   union {
  52     char *stringbuf;
  53     unsigned long val;
  54   } u;
  55 };
  56
  57 typedef struct searchNode {
  58   int returntype;
  59   exeFunc  exe;
  60   freeFunc free;
  61   void *localdata;
  62 } searchNode;
  63
  64 struct searchVariable {
  65   char name[VARIABLE_LEN];
  66   struct searchNode data;
  67   struct coercedata cdata;
  68 };
  69
  70 typedef struct searchCmd {
  71   void *defaultdisplayfunc;
  72   sstring *name;
  73   CommandHandler handler;
  74   struct CommandTree *outputtree;
  75   struct CommandTree *searchtree;
  76 } searchCmd;
  77
  78 typedef struct searchList {
  79   void *cmd;
  80   sstring *name;
  81   char *help;
  82   struct searchList *next;
  83 } searchList;
  84
  85 typedef struct searchCtx {
  86   searchParseFunc parser;
  87   replyFunc reply;
  88   wallFunc wall;
  89   void *arg;
  90   struct searchVariable vars[MAX_VARIABLES];
  91   int lastvar;
  92   struct searchCmd *searchcmd;
  93   nick *sender;
  94   int limit;
  95   void *displayfn;
  96 } searchCtx;
  97
  98 /* Core functions */
  99 /* Logical  (BOOL -> BOOL)*/
 100 struct searchNode *and_parse(searchCtx *ctx, int argc, char **argv);
 101 struct searchNode *not_parse(searchCtx *ctx, int argc, char **argv);
 102 struct searchNode *or_parse(searchCtx *ctx,  int argc, char **argv);
 103
 104 /* Comparison (INT -> BOOL) */
 105 struct searchNode *eq_parse(searchCtx *ctx, int argc, char **argv);
 106 struct searchNode *lt_parse(searchCtx *ctx, int argc, char **argv);
 107 struct searchNode *gt_parse(searchCtx *ctx, int argc, char **argv);
 108
 109 /* String match (STRING -> BOOL) */
 110 struct searchNode *match_parse(searchCtx *ctx, int argc, char **argv);
 111 struct searchNode *regex_parse(searchCtx *ctx, int argc, char **argv);
 112
 113 /* Length (STRING -> INT) */
 114 struct searchNode *length_parse(searchCtx *ctx, int argc, char **argv);
 115
 116 /* kill/gline actions (BOOL) */
 117 struct searchNode *kill_parse(searchCtx *ctx, int argc, char **argv);
 118 struct searchNode *gline_parse(searchCtx *ctx, int argc, char **argv);
 119
 120 /* notice action (BOOL) */
 121 struct searchNode *notice_parse(searchCtx *ctx, int argc, char **argv);
 122
 123 /* Nick/Channel functions (various types) */
 124 struct searchNode *nick_parse(searchCtx *ctx, int argc, char **argv);
 125 struct searchNode *modes_parse(searchCtx *ctx, int argc, char **argv);
 126
 127 /* Nick functions (various types) */
 128 struct searchNode *hostmask_parse(searchCtx *ctx, int argc, char **argv);
 129 struct searchNode *realname_parse(searchCtx *ctx, int argc, char **argv);
 130 struct searchNode *away_parse(searchCtx *ctx, int argc, char **argv);
 131 struct searchNode *authname_parse(searchCtx *ctx, int argc, char **argv);
 132 struct searchNode *authts_parse(searchCtx *ctx, int argc, char **argv);
 133 struct searchNode *ident_parse(searchCtx *ctx, int argc, char **argv);
 134 struct searchNode *host_parse(searchCtx *ctx, int argc, char **argv);
 135 struct searchNode *channel_parse(searchCtx *ctx, int argc, char **argv);
 136 struct searchNode *timestamp_parse(searchCtx *ctx, int argc, char **argv);
 137 struct searchNode *country_parse(searchCtx *ctx, int argc, char **argv);
 138 struct searchNode *ip_parse(searchCtx *ctx, int argc, char **argv);
 139 struct searchNode *channels_parse(searchCtx *ctx, int argc, char **argv);
 140 struct searchNode *server_parse(searchCtx *ctx, int argc, char **argv);
 141 struct searchNode *authid_parse(searchCtx *ctx, int argc, char **argv);
 142 struct searchNode *cidr_parse(searchCtx *ctx, int argc, char **argv);
 143 struct searchNode *ipv6_parse(searchCtx *ctx, int argc, char **argv);
 144
 145 /* Whowas functions (various types) */
 146 struct searchNode *quit_parse(searchCtx *ctx, int argc, char **argv);
 147 struct searchNode *killed_parse(searchCtx *ctx, int argc, char **argv);
 148 struct searchNode *renamed_parse(searchCtx *ctx, int argc, char **argv);
 149 struct searchNode *age_parse(searchCtx *ctx, int argc, char **argv);
 150 struct searchNode *newnick_parse(searchCtx *ctx, int argc, char **argv);
 151
 152 /* Channel functions (various types) */
 153 struct searchNode *exists_parse(searchCtx *ctx, int argc, char **argv);
 154 struct searchNode *services_parse(searchCtx *ctx, int argc, char **argv);
 155 struct searchNode *size_parse(searchCtx *ctx, int argc, char **argv);
 156 struct searchNode *name_parse(searchCtx *ctx, int argc, char **argv);
 157 struct searchNode *topic_parse(searchCtx *ctx, int argc, char **argv);
 158 struct searchNode *oppct_parse(searchCtx *ctx, int argc, char **argv);
 159 struct searchNode *cumodecount_parse(searchCtx *ctx, int argc, char **argv);
 160 struct searchNode *cumodepct_parse(searchCtx *ctx, int argc, char **argv);
 161 struct searchNode *hostpct_parse(searchCtx *ctx, int argc, char **argv);
 162 struct searchNode *authedpct_parse(searchCtx *ctx, int argc, char **argv);
 163 struct searchNode *kick_parse(searchCtx *ctx, int argc, char **argv);
 164
 165 /* Iteration functions */
 166 struct searchNode *any_parse(searchCtx *ctx, int argc, char **argv);
 167 struct searchNode *all_parse(searchCtx *ctx, int argc, char **argv);
 168 struct searchNode *var_parse(searchCtx *ctx, int argc, char **argv);
 169
 170 /* Iteraterable functions */
 171 struct searchNode *channeliter_parse(searchCtx *ctx, int argc, char **argv);
 172 struct searchNode *nickiter_parse(searchCtx *ctx, int argc, char **argv);
 173
 174 /* Functions that operate on strings */
 175 struct searchNode *cumodes_parse(searchCtx *ctx, int argc, char **argv);
 176
 177 /* Force a node to return the thing you want */
 178 struct searchNode *coerceNode(searchCtx *ctx, struct searchNode *thenode, int type);
 179
 180 /* Registration functions */
 181 searchCmd *registersearchcommand(char *name, int level, CommandHandler cmd, void *defaultdisplayfunc);
 182 void deregistersearchcommand(searchCmd *scmd);
 183 void registersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc, int level, char *help);
 184 void deregistersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc);
 185
 186 void registerglobalsearchterm(char *term, parseFunc parsefunc, char *help);
 187 void deregisterglobalsearchterm(char *term, parseFunc parsefunc);
 188
 189 void regdisp( searchCmd *cmd, const char *name, void *handler, int level, char *help);
 190 void unregdisp( searchCmd *cmd, const char *name, void *handler);
 191
 192 /* Special nick* printf */
 193 void nssnprintf(char *, size_t, const char *, nick *);
 194
 195 void displaystrerror(replyFunc reply, nick *np, const char *input);
 196
 197 extern const char *parseError;
 198 extern nick *senderNSExtern;
 199
 200 void printnick(searchCtx *, nick *, nick *);
 201 void printuser(searchCtx *, nick *, authname *);
 202 void printchannel(searchCtx *, nick *, chanindex *);
 203 void printwhowas(searchCtx *, nick *, whowas *);
 204
 205 void nicksearch_exe(struct searchNode *search, searchCtx *sctx);
 206 void chansearch_exe(struct searchNode *search, searchCtx *sctx);
 207 void usersearch_exe(struct searchNode *search, searchCtx *ctx);
 208 void whowassearch_exe(struct searchNode *search, searchCtx *ctx);
 209
 210 int do_nicksearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 211 int do_chansearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 212 int do_usersearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 213 int do_whowassearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 214
 215 void *literal_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
 216 void literal_free(searchCtx *ctx, struct searchNode *thenode);
 217
 218 struct searchVariable *var_register(searchCtx *ctx, char *arg, int type);
 219 searchNode *var_get(searchCtx *ctx, char *arg);
 220 void var_setstr(struct searchVariable *v, char *data);
 221
 222 void newsearch_ctxinit(searchCtx *ctx, searchParseFunc searchfn, replyFunc replyfn, wallFunc wallfn, void *arg, searchCmd *cmd, nick *sender, void *displayfn, int limit);
 223
 224 /* AST functions */
 225
 226 struct searchASTNode;
 227
 228 #define AST_NODE_CHILD 1
 229 #define AST_NODE_LITERAL 2
 230
 231 /* items to store in the ast lookup cache */
 232 #define AST_RECENT 10
 233
 234 struct searchASTExpr;
 235
 236 typedef struct searchASTNode {
 237   parseFunc fn;
 238   int argc;
 239   struct searchASTExpr *argv;
 240 } searchASTNode;
 241
 242 typedef struct searchASTExpr {
 243   int type;
 244   union {
 245     char *literal;
 246     /* this was originally a pointer, but having it as one means you can't memcpy directly */
 247     struct searchASTNode child;
 248   } u;
 249 } searchASTExpr;
 250
 251 typedef struct searchASTCache {
 252   searchASTExpr *tree;
 253   searchASTExpr *cache[AST_RECENT];
 254   int nextpos;
 255 } searchASTCache;
 256
 257 #define __NSASTSizeOfArray(x) (sizeof(x) / sizeof(x[0]))
 258
 259 #define __NSASTExpr(x, y, ...) (searchASTExpr){.type = x, .u.y = __VA_ARGS__}
 260 #define __NSASTRawNode(x, c, y) (searchASTNode){.fn = x, .argc = c, .argv = y}
 261
 262 #define __NSASTSizeNode(x, y) __NSASTRawNode(x, __NSASTSizeOfArray(y), y)
 263 #define __NSASTNode(x, ...) __NSASTSizeNode(x, ((searchASTExpr []){__VA_ARGS__}))
 264
 265 #define __NSASTChild(...) __NSASTExpr(AST_NODE_CHILD, child, __VA_ARGS__)
 266
 267 #define NSASTLiteral(value) __NSASTExpr(AST_NODE_LITERAL, literal, value)
 268 #define NSASTNode(fn, ...) __NSASTChild(__NSASTNode(fn, __VA_ARGS__))
 269 #define NSASTManualNode(fn, count, children) __NSASTChild(__NSASTRawNode(fn, count, children))
 270
 271 searchNode *search_astparse(searchCtx *, char *);
 272
 273 int ast_nicksearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, NickDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 274 int ast_chansearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, ChanDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 275 int ast_usersearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, UserDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 276 int ast_whowassearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, WhowasDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 277
 278 char *ast_printtree(char *buf, size_t bufsize, searchASTExpr *expr, searchCmd *cmd);
 279
 280 int parseopts(int cargc, char **cargv, int *arg, int *limit, void **subset, void *display, CommandTree *sl, replyFunc reply, void *sender);
 281
 282 typedef int (*ASTFunc)(searchASTExpr *, replyFunc, void *, wallFunc, void *, HeaderFunc, void *, int limit);
 283
 284 /* erk */
 285 extern searchList *globalterms;
 286
 287 extern searchCmd *reg_nicksearch;
 288 extern searchCmd *reg_chansearch;
 289 extern searchCmd *reg_usersearch;
 290 extern searchCmd *reg_whowassearch;
 291
 292 extern UserDisplayFunc defaultuserfn;
 293 extern NickDisplayFunc defaultnickfn;
 294 extern ChanDisplayFunc defaultchanfn;
 295 extern WhowasDisplayFunc defaultwhowasfn;
 296
 297 struct searchNode *argtoconststr(char *command, searchCtx *ctx, char *arg, char **p);
 298
 299 #endif