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#include "StapParser.hxx"
#include <gtkmm/window.h>
namespace systemtap
{
using namespace std;
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;
}
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);
if (dataString[0] == '%')
{
size_t found;
if ((found = dataString.find("%Title:") == 0))
{
std::string title = dataString.substr(7);
_widget.setTitle(title);
}
else if ((found = dataString.find("%XAxisTitle:") == 0))
{
_widget.setXAxisText(dataString.substr(12));
}
else if ((found = dataString.find("%YAxisTitle:") == 0))
{
_widget.setYAxisText(dataString.substr(12));
}
else if ((found = dataString.find("%YMax:") == 0))
{
double ymax;
std::istringstream stream(dataString.substr(6));
stream >> ymax;
// _gdata->scale = ymax;
}
else if ((found = dataString.find("%DataSet:") == 0))
{
std::tr1::shared_ptr<GraphData> dataSet(new GraphData);
std::string setName;
int hexColor;
std::string style;
std::istringstream stream(dataString.substr(9));
stream >> setName >> dataSet->scale >> std::hex >> hexColor
>> style;
dataSet->color[0] = (hexColor >> 16) / 255.0;
dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
dataSet->color[2] = (hexColor & 0xff) / 255.0;
if (style == "dot")
dataSet->style = GraphData::DOT;
_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
{
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)
{
std::istringstream stream(*tokIter);
double data;
stream >> data;
_csv.elements[i].second
->data.push_back(std::make_pair(time, data));
}
}
else
{
std::string dataSet;
double time;
double data;
std::istringstream stream(dataString);
stream >> dataSet >> time >> data;
DataMap::iterator itr = _dataSets.find(dataSet);
if (itr != _dataSets.end())
itr->second->data.push_back(std::make_pair(time, data));
}
}
_buffer.erase(0, ret + 1);
}
return true;
}
}
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