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// cccc_met.cc
#include "cccc.h"
#include "cccc_itm.h"
#include "cccc_met.h"
#include <sstream>
using std::ostringstream;
#include "cccc_opt.h"
Metric_Treatment::Metric_Treatment(CCCC_Item& treatment_line)
{
lower_threshold=0;
upper_threshold=0;
numerator_threshold=0;
width=0;
precision=0;
string option_dummy, treatment_dummy, lothresh_str,
hithresh_str, numthresh_str, width_str, precision_str;
if(
// treatment_line.Extract(option_dummy) &&
// treatment_line.Extract(treatment_dummy) &&
treatment_line.Extract(code) &&
treatment_line.Extract(lothresh_str) &&
treatment_line.Extract(hithresh_str) &&
treatment_line.Extract(numerator_threshold) &&
treatment_line.Extract(width) &&
treatment_line.Extract(precision) &&
treatment_line.Extract(name)
)
{
lower_threshold=atof(lothresh_str.c_str());
upper_threshold=atof(hithresh_str.c_str());
}
}
CCCC_Metric::CCCC_Metric()
{
set_ratio(0,0);
set_treatment("");
}
CCCC_Metric::CCCC_Metric(int n, const char* treatment_tag)
{
set_ratio(n,1); set_treatment(treatment_tag);
}
CCCC_Metric::CCCC_Metric(int n, int d, const char* treatment_tag)
{
set_ratio(n,d); set_treatment(treatment_tag);
}
void CCCC_Metric::set_treatment(const char* code)
{
treatment=CCCC_Options::getMetricTreatment(code);
}
void CCCC_Metric::set_ratio(float _num, float _denom)
{
numerator=_num; denominator=_denom;
}
EmphasisLevel CCCC_Metric::emphasis_level() const
{
EmphasisLevel retval=elLOW;
if(treatment!=NULL && numerator>treatment->numerator_threshold)
{
if( numerator > (treatment->upper_threshold*denominator) )
{
retval=elHIGH;
}
else if(numerator> (treatment->lower_threshold*denominator) )
{
retval=elMEDIUM;
}
}
return retval;
}
string CCCC_Metric::code() const
{
string retval;
if(treatment != NULL) { retval=treatment->code; }
return retval;
}
string CCCC_Metric::name() const
{
string retval;
if(treatment != NULL) { retval=treatment->name; }
return retval;
}
string CCCC_Metric::value_string() const
{
string retval;
char numerator_too_low='-';
char infinity='*';
ostringstream valuestr;
valuestr.setf(std::ios::fixed);
int width=6, precision=0;
float n_threshold=0, low_threshold=1e9, high_threshold=1e9;
if(treatment!=NULL)
{
width=treatment->width;
precision=treatment->precision;
n_threshold=treatment->numerator_threshold;
low_threshold=treatment->lower_threshold;
high_threshold=treatment->upper_threshold;
}
valuestr.width(width);
valuestr.precision(precision);
if(numerator<n_threshold)
{
string too_low_string(width,numerator_too_low);
valuestr << too_low_string;
}
else if(denominator==0)
{
string infinity_string(width,infinity);
valuestr << infinity_string;
}
else
{
double result=numerator;
result/=denominator;
if(result!=0.0L)
{
// Visual C++ and GCC appear to give different behaviours
// when rounding a value which is exactly half way between
// two points representable in the desired format.
// An example of this occurs results from prn14, where the
// numerator 21 and denominator 16 are combined to give the
// value 1.2125 exactly, which Visual Studio renders as 1.213,
// GCC renders as 1.212. For consistency with the existing
// reference data, I choose to apply a very small downward
// rounding factor. The rounding factor is only applied if
// the value is not exactly equal to zero, as applying it
// to zero causes the value to be displayed as -0.0 instead
// of 0.0.
const double ROUNDING_FACTOR = 1.0e-9;
result-=ROUNDING_FACTOR;
}
valuestr << result;
}
retval=valuestr.str();
return retval;
}
char *internal_treatments[] =
{
"LOCf@30@100@0@6@0@Lines of code/function@",
"LOCm@500@2000@0@6@0@Lines of code/module @",
"LOCp@999999@999999@0@6@0@Lines of code/project @",
"MVGf@10@30@0@6@0@Cyclomatic complexity/function@",
"MVGm@200@1000@0@6@0@Cyclomatic complexity/module@",
"MVGp@999999@999999@0@6@0@Cyclomatic complexity/project@",
"COM@999999@999999@0@6@0@Comment lines@",
"M_C@5@10@5@6@3@MVG/COM McCabe/comment line@",
"L_C@7@30@20@6@3@LOC/COM Lines of code/comment line@",
"FI@12@20@0@6@0@Fan in (overall)@",
"FIv@6@12@0@6@0@Fan in (visible uses only)@",
"FIc@6@12@0@6@0@Fan in (concrete uses only)@",
"FO@12@20@0@6@0@Fan out (overall)@",
"FOv@6@12@0@6@0@Fan out (visible uses only)@",
"FOc@6@12@0@6@0@Fan out (concrete uses only)@",
"IF4@100@1000@0@6@0@Henry-Kafura/Shepperd measure (overall)@",
"IF4v@30@100@0@6@0@Henry-Kafura/Shepperd measure (visible only)@",
"IF4c@30@100@0@6@0@Henry-Kafura/Shepperd measure (concrete only)@",
"WMC1@30@100@0@6@0@Weighting function = 1 unit per method@",
"WMCv@10@30@0@6@0@Weighting function = 1 unit per visible method@",
"DIT@3@60@6@0@Depth of Inheritance Tree@",
"NOC@4@15@0@6@0@Number of children@",
"CBO@12@30@0@6@0@Coupling between objects@",
NULL
};
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