File: cccc_met.cc

package info (click to toggle)
cccc 3.pre81-2
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 3,820 kB
  • ctags: 4,972
  • sloc: ansic: 33,244; cpp: 10,691; java: 618; makefile: 165; sh: 11
file content (188 lines) | stat: -rw-r--r-- 5,222 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
// cccc_met.cc

#include "cccc.h"
#include "cccc_itm.h"
#include "cccc_met.h"
#include <strstream>
using std::ostrstream;

#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='*';
  
  ostrstream 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;
    }
  valuestr << std::ends;
  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
};