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