--- deliantra/server/include/cfperl.h 2006/08/27 17:59:26 1.10 +++ deliantra/server/include/cfperl.h 2006/12/11 23:35:37 1.34 @@ -4,40 +4,41 @@ #ifndef CFPERL_H__ #define CFPERL_H__ -struct pl; -struct object; -struct mapstruct; +#include -void cfperl_init (); -void cfperl_main (); +using namespace std; -// could have used templates, but a more traditional C api -// uses more explicit typing which is ok for this purpose. -enum data_type -{ - DT_END, // no further arguments - DT_INT, - DT_INT64, - DT_DOUBLE, - DT_STRING, // 0-terminated string - DT_DATA, // string + length - DT_OBJECT, - DT_MAP, - DT_PLAYER, - DT_ARCH, - DT_PARTY, - DT_REGION, - DT_AV, // av that needs to be flattened out +#include +#include +#include + +// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) +#undef localtime +#undef srand48 +#undef drand48 +#undef srandom +#undef readdir +#undef getprotobyname +#undef gethostbyname +#undef ctime +#undef strerror + +// perl bug #40256: perl does overwrite those with reentrant versions +// but does not initialise their state structures. +#undef random +#undef crypt - NUM_DATA_TYPES -}; +void cfperl_init (); +void cfperl_main (); enum event_klass { + KLASS_NONE, KLASS_GLOBAL, KLASS_PLAYER, KLASS_OBJECT, KLASS_MAP, + KLASS_COMMAND, }; enum event_type @@ -48,49 +49,77 @@ NUM_EVENT_TYPES }; +#define ARG_AV(o) DT_AV , static_cast (o) #define ARG_INT(v) DT_INT , static_cast (v) #define ARG_INT64(v) DT_INT64 , static_cast (v) #define ARG_DOUBLE(v) DT_DOUBLE, static_cast (v) #define ARG_STRING(v) DT_STRING, static_cast (v) -#define ARG_DATA(s,l) DT_DATA , static_cast (s), (l) -#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast (o) -#define ARG_MAP(o) DT_MAP , (void *)static_cast (o) -#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast (o) -#define ARG_ARCH(o) DT_ARCH , (void *)static_cast (o) -#define ARG_PARTY(o) DT_PARTY , (void *)static_cast (o) -#define ARG_REGION(o) DT_REGION, (void *)static_cast (o) +#define ARG_DATA(s,l) DT_DATA , static_cast (s), int (l) +#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast (o) +#define ARG_MAP(o) DT_MAP , (void *)static_cast (o) +#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast (o) +#define ARG_ARCH(o) DT_ARCH , (void *)static_cast (o) +#define ARG_PARTY(o) DT_PARTY , (void *)static_cast (o) +#define ARG_REGION(o) DT_REGION, (void *)static_cast (o) // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension // all these return true when the normal event processing should be skipped (if any) #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) -#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) -#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) -#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) -#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) -#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) +#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) +#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) +#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) +#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) +#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) //TODO should index into @result #define RESULT(idx,type) cfperl_result_ ## type (idx) -#define RESULT_INT(idx) RESULT(idx, INT) +#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) +#define RESULT_INT(idx) RESULT(idx, INT) bool cfperl_invoke (event_type event, ...); +double cfperl_result_DOUBLE (int idx); int cfperl_result_INT (int idx); struct attachable_base { - void *self, *cb; // CF+ perl self and callback - const char *attach; // generic extension attachment information + SV *self; + AV *cb; // CF+ perl self and callback + shstr attach; // generic extension attachment information + + void clear (); // called when free'ing objects + void optimise (); // possibly save some memory by destroying unneeded data + void instantiate (data_type type, void *obj); - void clear (); // called when free'ing objects - void optimise (); // possibly save some memory by destroying unneeded data - - void attachable_init () + void attachable_clear () { - self = cb = 0; + self = 0; + cb = 0; attach = 0; } + + attachable_base () + { + attachable_clear (); + } + + ~attachable_base () + { + clear (); + } + + attachable_base (const attachable_base &src) + : self (0), cb (0), attach (src.attach) + { + } + + attachable_base &operator = (const attachable_base &src) + { + clear (); + attach = src.attach; + return *this; + } }; // objects attachable from perl (or any other extension) should include or @@ -99,19 +128,18 @@ template struct attachable : attachable_base { - static data_type get_dt () + void instantiate () { - subclass::get_dt (); + if (attach) + attachable_base::instantiate ((data_type) cftype::dt, static_cast(this)); } }; -struct object_freezer +struct object_freezer : dynbuf { - const char *filename; - void *av; - int idx; + AV *av; - object_freezer (const char *filename); + object_freezer (); ~object_freezer (); void put (attachable_base *ext); @@ -122,28 +150,178 @@ put ((attachable_base *)obj); } - void finish (); + // used only for user-defined key-value pairs + void put (const shstr &k, const shstr &v) + { + add (k); + + if (v) + add (' '), add (v); + + add ('\n'); + } + + //TODO//temporary, used only for saving body locations + void put (const char *k, int v) + { + add (k); + add (' '); + add (sint32 (v)); + add ('\n'); + } + + template + void put_string (keyword k, const T &v) + { + int klen = keyword_len [k]; + int vlen = v ? strlen (v) + 1 : 0; + + char *p = (char *)alloc (klen + vlen + 1); + + memcpy (p, keyword_str [k], klen); p += klen; + + if (v) + { + *p++ = ' '; vlen--; + memcpy (p, v, vlen); p += vlen; + } + + *p = '\n'; + } + + void put (keyword k, const char *v) + { + put_string (k, v); + } + + void put (keyword k, const shstr &v) + { + put_string (k, v); + } + + void put (keyword k, double v) + { + char buf [128]; + + snprintf (buf, 128, "%.7g", v); + + put (k, (const char *)buf); + } + + void put_(keyword k, sint64 v) + { + add (keyword_str [k], keyword_len [k]); + add (' '); + add (v); + add ('\n'); + } + + void put_(keyword k, sint32 v) + { + add (keyword_str [k], keyword_len [k]); + add (' '); + add (v); + add ('\n'); + } + + void put (keyword kbeg, keyword kend, const shstr &v) + { + add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n'); + + if (v) + { + add (v); + add ('\n'); + } + + add (keyword_str [kend], keyword_len [kend]); add ('\n'); + } + + void put (keyword k, float v) { put (k, (double)v); } + void put (keyword k, signed char v) { put_(k, (sint32)v); } + void put (keyword k, unsigned char v) { put_(k, (sint32)v); } + void put (keyword k, signed short v) { put_(k, (sint32)v); } + void put (keyword k, unsigned short v) { put_(k, (sint32)v); } + void put (keyword k, signed int v) { put_(k, (sint32)v); } + void put (keyword k, unsigned int v) { put_(k, (sint64)v); } + void put (keyword k, signed long v) { put_(k, (sint64)v); } + void put (keyword k, unsigned long v) { put_(k, (sint64)v); } + void put (keyword k, signed long long v) { put_(k, (sint64)v); } + void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } + + template + void put (keyword k, const T *v) + { + if (v) + put (k, v->name); + else + put (k, (const char *)0); + } + + template + void put (keyword k, const refptr &v) + { + put (k, (T *)v); + } + + bool save (const char *filename); + char *as_string (); // like strdup + + operator bool () { return !!av; } }; +// compatibility support, should be removed when no longer needed +int fprintf (object_freezer &freezer, const char *format, ...); +int fputs (const char *s, object_freezer &freezer); + struct object_thawer { - void *av; - int idx; + SV *text; // text part + AV *av; // perl part + char *line; // current beginning of line + char *last_value; + + operator bool () { return !!text; } object_thawer (const char *filename = 0); + object_thawer (const char *data, AV *perlav); ~object_thawer (); - void get (data_type type, void *obj, attachable_base *ext); + void get (data_type type, void *obj, attachable_base *ext, int oid); template - void get (attachable *obj) + void get (attachable *obj, int oid) { if (av) - get (subclass::get_dt (), (subclass *)obj, obj); + get ((data_type) cftype::dt, (subclass *)obj, obj, oid); } - void finish (); + keyword get_kv (); // also parse value for later use + + const char *get_str () { return last_value; } // may be 0 + + void get (shstr &sh) const; + void get_ornull (shstr &sh) const { sh = last_value; } + void get_ml (keyword kend, shstr &sh); + + sint32 get_sint32 () const; + sint64 get_sint64 () const; + double get_double () const; + + void get (float &v) { v = get_double (); } + void get (double &v) { v = get_double (); } + + void get (sint8 &i) { i = get_sint32 (); } + void get (uint8 &i) { i = get_sint32 (); } + void get (sint16 &i) { i = get_sint32 (); } + void get (uint16 &i) { i = get_sint32 (); } + void get (sint32 &i) { i = get_sint32 (); } + + void get (uint32 &i) { i = get_sint64 (); } + void get (sint64 &i) { i = get_sint64 (); } }; +char *fgets (char *s, int n, object_thawer &thawer); + #endif