mirror of
https://github.com/EQEmu/Server.git
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153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
/*
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Embperl.h
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---------------
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eqemu perl wrapper
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Eglin
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*/
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#pragma once
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#ifdef EMBPERL
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#include "zone_config.h"
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#include "perlbind/perlbind.h"
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#include <cstdio>
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#include <cstring>
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#include <map>
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#include <string>
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#include <vector>
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namespace perl = perlbind;
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#undef connect
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#undef bind
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#undef Null
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#ifdef WIN32
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#define snprintf _snprintf
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#endif
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//perl defines these macros and dosent clean them up, lazy bastards. -- I hate them too!
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#ifdef Copy
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#undef Copy
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#endif
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#ifdef list
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#undef list
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#endif
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#ifdef write
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#undef write
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#endif
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#ifdef bool
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#undef bool
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#endif
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#ifdef Zero
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#undef Zero
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#endif
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//These need to be cleaned up on FreeBSD
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#ifdef __FreeBSD__
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#ifdef do_open
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#undef do_open
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#endif
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#ifdef do_close
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#undef do_close
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#endif
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#endif
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//so embedded scripts can use xs extensions (ala 'use socket;')
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EXTERN_C void boot_DynaLoader(pTHX_ CV* cv);
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EXTERN_C void xs_init(pTHX);
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extern const ZoneConfig *Config;
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class Embperl
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{
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private:
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//if we fail inside a script evaluation, this will hold the croak msg (not much help if we die during construction, but that's our own fault)
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mutable std::string errmsg;
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//install a perl func
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void init_eval_file(void);
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protected:
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//the embedded interpreter
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PerlInterpreter * my_perl;
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void DoInit();
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public:
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Embperl(void); //This can throw errors! Buyer beware
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~Embperl(void);
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void Reinit();
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//evaluate an expression. throws string errors on fail
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int eval(const char* code);
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//execute a subroutine. throws lasterr on failure
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int dosub(const char* sub_name, const std::vector<std::string>* args = nullptr, int mode = G_SCALAR | G_EVAL);
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//put an integer into a perl varable
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void seti(const char* variable_name, int val) const
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{
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SV* t = get_sv(variable_name, true);
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sv_setiv(t, val);
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}
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//put a real into a perl varable
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void setd(const char* variable_name, float val) const
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{
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SV* t = get_sv(variable_name, true);
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sv_setnv(t, val);
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}
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//put a string into a perl varable
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void setstr(const char* variable_name, const char* val) const
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{
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SV* t = get_sv(variable_name, true);
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sv_setpv(t, val);
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}
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// put a pointer into a blessed perl variable
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void setptr(const char* variable_name, const char* class_name, void* val) const
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{
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SV* t = get_sv(variable_name, GV_ADD);
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sv_setref_pv(t, class_name, val);
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}
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// put key-value pairs in hash
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void sethash(const char* variable_name, std::map<std::string, std::string>& vals)
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{
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std::map<std::string, std::string>::iterator it;
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// Get hash and clear it.
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HV* hv = get_hv(variable_name, TRUE);
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hv_clear(hv);
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// Iterate through key-value pairs, storing them in hash
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for (it = vals.begin(); it != vals.end(); ++it) {
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int key_length = static_cast<int>(it->first.length());
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SV* val = newSVpv(it->second.c_str(), it->second.length());
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// If val was not added to hash, reset reference count
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if (!hv_store(hv, it->first.c_str(), key_length, val, 0)) {
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val->sv_refcnt = 0;
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}
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}
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}
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//loads a file and compiles it into our interpreter (assuming it hasn't already been read in)
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//idea borrowed from perlembed
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int eval_file(const char* package_name, const char* filename);
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//check to see if a sub exists in package
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bool SubExists(const char* package, const char* sub);
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};
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#endif // EMBPERL
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