Gabriele Cosmo
75 lines
1.8 KiB
Plaintext
75 lines
1.8 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_rroot_dummy
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#define tools_rroot_dummy
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// dummy class with a generic streamer.
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// It is used within the reading of a tree
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// to create some generic object when we get
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// from the file a class name which is unknown
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// from the tree factory.
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#include "iro"
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#include "buffer"
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#include "../scast"
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#include "cids"
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namespace tools {
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namespace rroot {
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class dummy : public virtual iro {
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public:
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static const std::string& s_class() {
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static const std::string s_v("tools::rroot::dummy");
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return s_v;
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}
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public: //iro
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virtual void* cast(const std::string& a_class) const {
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if(void* p = cmp_cast<dummy>(this,a_class)) return p;
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return 0;
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}
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virtual const std::string& s_cls() const {return s_class();}
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public:
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static cid id_class() {return dummy_cid();}
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virtual void* cast(cid a_class) const {
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if(void* p = cmp_cast<dummy>(this,a_class)) {return p;}
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return 0;
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}
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public:
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virtual iro* copy() const {return new dummy(*this);}
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virtual bool stream(buffer& a_buffer) {
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//the below code skips correctly the data in the file.
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uint32 startpos = a_buffer.length();
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short v;
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unsigned int _s,_c;
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if(!a_buffer.read_version(v,_s,_c)) return false;
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a_buffer.set_offset(startpos+_c+sizeof(unsigned int));
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if(!a_buffer.check_byte_count(_s,_c,"dummy")) return false;
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return true;
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}
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public:
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dummy(){
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#ifdef TOOLS_MEM
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mem::increment(s_class().c_str());
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#endif
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}
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virtual ~dummy(){
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#ifdef TOOLS_MEM
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mem::decrement(s_class().c_str());
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#endif
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}
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public:
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dummy(const dummy& a_from): iro(a_from){
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#ifdef TOOLS_MEM
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mem::increment(s_class().c_str());
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#endif
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}
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dummy& operator=(const dummy&){return *this;}
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};
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}}
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#endif
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