101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
//---------------------------------------------------------------------------//
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#ifndef IMCKEY
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#define IMCKEY
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#include <iomanip>
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#include <map>
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#include <string>
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#include <sstream>
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#include <vector>
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//---------------------------------------------------------------------------//
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namespace imc
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{
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// define "magic bytes" announcing critical (=C) non-critical keys (=N)
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const unsigned char key_crit_ = 0x43, key_non_crit_ = 0x4e;
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// define properties of marker/key
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struct key
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{
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// (non)critical key
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bool critical_;
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// name of key (two uppercase letters)
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std::string name_;
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// short description
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std::string description_;
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// version of marker
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int version_;
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// constructor
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key(bool critical, std::string name,
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std::string description = std::string(""), int version = 1)
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{
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critical_ = critical;
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if ( name.size() != 2 ) throw std::logic_error("invalid key name");
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name_ = name;
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description_ = description;
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version_ = version;
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}
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// comparison operator
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bool operator==(const key& akey)
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{
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return ( this->critical_ == akey.critical_
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&& this->name_ == akey.name_
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&& this->description_ == akey.description_
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&& this->version_ == akey.version_ );
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}
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// get info string
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std::string get_info(int width = 20)
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{
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std::stringstream ss;
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ss<<std::setw(width)<<std::left<<"critical:"<<(critical_?"yes":"no")<<"\n"
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<<std::setw(width)<<std::left<<"name:"<<name_<<"\n"
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<<std::setw(width)<<std::left<<"description:"<<description_<<"\n"
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<<std::setw(width)<<std::left<<"version:"<<version_<<"\n";
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return ss.str();
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}
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};
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// define (non)critical markers/keys
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std::map<std::string,key> keys = {
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// critical keys
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{"CF", key(true,"CF","format version and processor",1)},
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{"CK", key(true,"CK","start of group of keys",1)},
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{"CB", key(true,"CB","group of channels",1)},
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{"CT", key(true,"CT","text definition",1)},
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{"CG", key(true,"CG","group of components",1)},
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{"CD", key(true,"CD","abscissa description",1)},
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// {"CD2", key(true,"CD","abscissa description",2)},
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{"CZ", key(true,"CZ","scaling of z-axis",1)},
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{"CC", key(true,"CC","start of component",1)},
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{"CP", key(true,"CP","buffer, datatype and samples of component",1)},
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{"Cb", key(true,"Cb","buffer description",1)},
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{"CR", key(true,"CR","permissible range of values in component",1)},
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{"CN", key(true,"CN","name and comment of channel",1)},
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{"CS", key(true,"CS","raw binary data",1)},
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{"CI", key(true,"CI","single numerical value",1)},
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{"Ca", key(true,"Ca","add reference key",1)},
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// noncritical keys
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{"NO", key(false,"NO","origin of data",1)},
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{"NT", key(false,"NT","timestamp of trigger",1)},
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{"ND", key(false,"ND","(color) display properties",1)},
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{"NU", key(false,"NU","user defined key",1)},
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{"Np", key(false,"Np","property of channel",1)},
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{"NE", key(false,"NE","extraction rule for BUS channels",1)}
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};
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}
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#endif
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//---------------------------------------------------------------------------//
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