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eigen_gen_credits.cpp
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Fri, Feb 14, 21:56

eigen_gen_credits.cpp
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#include <string>
#include <sstream>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <map>
#include <list>
using namespace std;
// this function takes a line that may contain a name and/or email address,
// and returns just the name, while fixing the "bad cases".
std::string contributor_name(const std::string& line)
{
string result;
// let's first take care of the case of isolated email addresses, like
// "user@localhost.localdomain" entries
if(line.find("markb@localhost.localdomain") != string::npos)
{
return "Mark Borgerding";
}
if(line.find("kayhman@contact.intra.cea.fr") != string::npos)
{
return "Guillaume Saupin";
}
// from there on we assume that we have a entry of the form
// either:
// Bla bli Blurp
// or:
// Bla bli Blurp <bblurp@email.com>
size_t position_of_email_address = line.find_first_of('<');
if(position_of_email_address != string::npos)
{
// there is an e-mail address in <...>.
// Hauke once committed as "John Smith", fix that.
if(line.find("hauke.heibel") != string::npos)
result = "Hauke Heibel";
else
{
// just remove the e-mail address
result = line.substr(0, position_of_email_address);
}
}
else
{
// there is no e-mail address in <...>.
if(line.find("convert-repo") != string::npos)
result = "";
else
result = line;
}
// remove trailing spaces
size_t length = result.length();
while(length >= 1 && result[length-1] == ' ') result.erase(--length);
return result;
}
// parses hg churn output to generate a contributors map.
map<string,int> contributors_map_from_churn_output(const char *filename)
{
map<string,int> contributors_map;
string line;
ifstream churn_out;
churn_out.open(filename, ios::in);
while(!getline(churn_out,line).eof())
{
// remove the histograms "******" that hg churn may draw at the end of some lines
size_t first_star = line.find_first_of('*');
if(first_star != string::npos) line.erase(first_star);
// remove trailing spaces
size_t length = line.length();
while(length >= 1 && line[length-1] == ' ') line.erase(--length);
// now the last space indicates where the number starts
size_t last_space = line.find_last_of(' ');
// get the number (of changesets or of modified lines for each contributor)
int number;
istringstream(line.substr(last_space+1)) >> number;
// get the name of the contributor
line.erase(last_space);
string name = contributor_name(line);
map<string,int>::iterator it = contributors_map.find(name);
// if new contributor, insert
if(it == contributors_map.end())
contributors_map.insert(pair<string,int>(name, number));
// if duplicate, just add the number
else
it->second += number;
}
churn_out.close();
return contributors_map;
}
// find the last name, i.e. the last word.
// for "van den Schbling" types of last names, that's not a problem, that's actually what we want.
string lastname(const string& name)
{
size_t last_space = name.find_last_of(' ');
if(last_space >= name.length()-1) return name;
else return name.substr(last_space+1);
}
struct contributor
{
string name;
int changedlines;
int changesets;
string url;
string misc;
contributor() : changedlines(0), changesets(0) {}
bool operator < (const contributor& other)
{
return lastname(name).compare(lastname(other.name)) < 0;
}
};
void add_online_info_into_contributors_list(list<contributor>& contributors_list, const char *filename)
{
string line;
ifstream online_info;
online_info.open(filename, ios::in);
while(!getline(online_info,line).eof())
{
string hgname, realname, url, misc;
size_t last_bar = line.find_last_of('|');
if(last_bar == string::npos) continue;
if(last_bar < line.length())
misc = line.substr(last_bar+1);
line.erase(last_bar);
last_bar = line.find_last_of('|');
if(last_bar == string::npos) continue;
if(last_bar < line.length())
url = line.substr(last_bar+1);
line.erase(last_bar);
last_bar = line.find_last_of('|');
if(last_bar == string::npos) continue;
if(last_bar < line.length())
realname = line.substr(last_bar+1);
line.erase(last_bar);
hgname = line;
// remove the example line
if(hgname.find("MercurialName") != string::npos) continue;
list<contributor>::iterator it;
for(it=contributors_list.begin(); it != contributors_list.end() && it->name != hgname; ++it)
{}
if(it == contributors_list.end())
{
contributor c;
c.name = realname;
c.url = url;
c.misc = misc;
contributors_list.push_back(c);
}
else
{
it->name = realname;
it->url = url;
it->misc = misc;
}
}
}
int main()
{
// parse the hg churn output files
map<string,int> contributors_map_for_changedlines = contributors_map_from_churn_output("churn-changedlines.out");
//map<string,int> contributors_map_for_changesets = contributors_map_from_churn_output("churn-changesets.out");
// merge into the contributors list
list<contributor> contributors_list;
map<string,int>::iterator it;
for(it=contributors_map_for_changedlines.begin(); it != contributors_map_for_changedlines.end(); ++it)
{
contributor c;
c.name = it->first;
c.changedlines = it->second;
c.changesets = 0; //contributors_map_for_changesets.find(it->first)->second;
contributors_list.push_back(c);
}
add_online_info_into_contributors_list(contributors_list, "online-info.out");
contributors_list.sort();
cout << "{| cellpadding=\"5\"\n";
cout << "!\n";
cout << "! Lines changed\n";
cout << "!\n";
list<contributor>::iterator itc;
int i = 0;
for(itc=contributors_list.begin(); itc != contributors_list.end(); ++itc)
{
if(itc->name.length() == 0) continue;
if(i%2) cout << "|-\n";
else cout << "|- style=\"background:#FFFFD0\"\n";
if(itc->url.length())
cout << "| [" << itc->url << " " << itc->name << "]\n";
else
cout << "| " << itc->name << "\n";
if(itc->changedlines)
cout << "| " << itc->changedlines << "\n";
else
cout << "| (no information)\n";
cout << "| " << itc->misc << "\n";
i++;
}
cout << "|}" << endl;
}

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