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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
#include "StapParser.hxx"
#include <gtkmm/window.h>
#include <iostream>
#include <sstream>
#include <cstring>
namespace systemtap
{
using namespace std;
using namespace std::tr1;
vector<string> commaSplit(const string& inStr, size_t pos = 0)
{
size_t found = pos;
vector<string> result;
while (1)
{
size_t commaPos = inStr.find(',', found);
string token
= inStr.substr(found, (commaPos == string::npos
? string::npos
: commaPos - 1 - found));
result.push_back(token);
if (commaPos != string::npos)
found = commaPos + 1;
else
break;
}
return result;
}
void StapParser::parseData(shared_ptr<GraphDataBase> gdata,
double time, const string& dataString)
{
std::istringstream stream(dataString);
shared_ptr<GraphData<double> > dblptr;
shared_ptr<GraphData<string> > strptr;
dblptr = dynamic_pointer_cast<GraphData<double> >(gdata);
if (dblptr)
{
double data;
stream >> data;
dblptr->times.push_back(time);
dblptr->data.push_back(data);
}
else if ((strptr = std::tr1
::dynamic_pointer_cast<GraphData<string> >(gdata))
!= 0)
{
strptr->times.push_back(time);
strptr->data.push_back(dataString);
}
}
size_t findTaggedValue(const string& src, const char* tag, string& result)
{
size_t found;
if ((found = src.find(tag)) != string::npos)
result = src.substr(strlen(tag));
return found;
}
bool StapParser::ioCallback(Glib::IOCondition ioCondition)
{
using namespace std;
if ((ioCondition & Glib::IO_IN) == 0)
return true;
char buf[256];
ssize_t bytes_read = 0;
bytes_read = read(0, buf, sizeof(buf) - 1);
if (bytes_read <= 0)
{
_win.hide();
return true;
}
buf[bytes_read] = '\0';
_buffer += buf;
string::size_type ret = string::npos;
while ((ret = _buffer.find('\n')) != string::npos)
{
Glib::ustring dataString(_buffer, 0, ret);
// %DataSet and %CSV declare a data set; all other statements begin with
// the name of a data set.
size_t found;
if (dataString[0] == '%')
{
if ((found = dataString.find("%DataSet:") == 0))
{
std::string setName;
int hexColor;
double scale;
std::string style;
std::istringstream stream(dataString.substr(9));
stream >> setName >> scale >> std::hex >> hexColor
>> style;
if (style == "bar" || style == "dot")
{
shared_ptr<GraphData<double> >
dataSet(new GraphData<double>);
if (style == "dot")
dataSet->style = GraphDataBase::DOT;
dataSet->color[0] = (hexColor >> 16) / 255.0;
dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
dataSet->color[2] = (hexColor & 0xff) / 255.0;
dataSet->scale = scale;
_dataSets.insert(std::make_pair(setName, dataSet));
_widget.addGraphData(dataSet);
}
else if (style == "discreet")
{
shared_ptr<GraphData<string> >
dataSet(new GraphData<string>);
dataSet->style = GraphDataBase::EVENT;
dataSet->color[0] = (hexColor >> 16) / 255.0;
dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
dataSet->color[2] = (hexColor & 0xff) / 255.0;
dataSet->scale = scale;
_dataSets.insert(std::make_pair(setName, dataSet));
_widget.addGraphData(dataSet);
}
}
else if ((found = dataString.find("%CSV:") == 0))
{
vector<string> tokens = commaSplit(dataString, found + 5);
for (vector<string>::iterator tokIter = tokens.begin(),
e = tokens.end();
tokIter != e;
++tokIter)
{
DataMap::iterator setIter = _dataSets.find(*tokIter);
if (setIter != _dataSets.end())
_csv.elements
.push_back(CSVData::Element(*tokIter,
setIter->second));
}
}
else
{
cerr << "Unknown declaration " << dataString << endl;
}
}
else
{
std::istringstream stream(dataString);
string setName;
stream >> setName;
DataMap::iterator itr = _dataSets.find(setName);
if (itr != _dataSets.end())
{
shared_ptr<GraphDataBase> gdata = itr->second;
string decl;
// Hack: scan from the beginning of dataString again
if (findTaggedValue(dataString, "%Title", decl)
!= string::npos)
{
gdata->title = decl;
}
else if (findTaggedValue(dataString, "%XAxisTitle:", decl)
!= string::npos)
{
gdata->xAxisText = decl;
}
else if (findTaggedValue(dataString, "%YAxisTitle:", decl)
!= string::npos)
{
gdata->yAxisText = decl;
}
else if ((found = dataString.find("%YMax:")) != string::npos)
{
double ymax;
std::istringstream stream(dataString.substr(found));
stream >> ymax;
gdata->scale = ymax;
}
if (!_csv.elements.empty())
{
vector<string> tokens = commaSplit(dataString);
int i = 0;
double time;
vector<string>::iterator tokIter = tokens.begin();
std::istringstream timeStream(*tokIter++);
timeStream >> time;
for (vector<string>::iterator e = tokens.end();
tokIter != e;
++tokIter, ++i)
{
parseData(_csv.elements[i].second, time, *tokIter);
}
}
else
{
double time;
string data;
stream >> time >> data;
parseData(itr->second, time, data);
}
}
}
_buffer.erase(0, ret + 1);
}
return true;
}
}
|
