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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "settings.h"
#include <algorithm>
#include <fstream>
#include <sstream>
#include <stdexcept>
#include <iostream>
#include <cctype> // std::isdigit, std::isalnum, etc
#include <set>
Settings::Settings()
{
debug = debugwarnings = false;
_checkCodingStyle = false;
_errorsOnly = false;
_inlineSuppressions = false;
_verbose = false;
_force = false;
_xml = false;
_xml_version = 1;
_jobs = 1;
_exitCode = 0;
_showtime = 0; // TODO: use enum
_append = "";
_terminate = false;
inconclusive = false;
test_2_pass = false;
reportProgress = false;
ifcfg = false;
}
std::string Settings::Suppressions::parseFile(std::istream &istr)
{
// Change '\r' to '\n' in the istr
std::string filedata;
std::string line;
while (std::getline(istr, line))
filedata += line + "\n";
while (filedata.find("\r") != std::string::npos)
filedata[filedata.find("\r")] = '\n';
// Parse filedata..
std::istringstream istr2(filedata);
while (std::getline(istr2, line))
{
// Skip empty lines
if (line.empty())
continue;
// Skip comments
if (line.length() >= 2 && line[0] == '/' && line[1] == '/')
continue;
std::istringstream lineStream(line);
std::string id;
std::string file;
unsigned int lineNumber = 0;
if (std::getline(lineStream, id, ':'))
{
if (std::getline(lineStream, file))
{
// If there is not a dot after the last colon in "file" then
// the colon is a separator and the contents after the colon
// is a line number..
// Get position of last colon
const std::string::size_type pos = file.rfind(":");
// if a colon is found and there is no dot after it..
if (pos != std::string::npos &&
file.find(".", pos) == std::string::npos)
{
// Try to parse out the line number
try
{
std::istringstream istr1(file.substr(pos+1));
istr1 >> lineNumber;
}
catch (...)
{
lineNumber = 0;
}
if (lineNumber > 0)
{
file.erase(pos);
}
}
}
}
// We could perhaps check if the id is valid and return error if it is not
const std::string errmsg(addSuppression(id, file, lineNumber));
if (!errmsg.empty())
return errmsg;
}
return "";
}
std::string Settings::Suppressions::addSuppression(const std::string &errorId, const std::string &file, unsigned int line)
{
// Check that errorId is valid..
if (errorId.empty())
{
return "Failed to add suppression. No id.";
}
for (std::string::size_type pos = 0; pos < errorId.length(); ++pos)
{
if (errorId[pos] < 0 || !std::isalnum(errorId[pos]))
{
return "Failed to add suppression. Invalid id \"" + errorId + "\"";
}
if (pos == 0 && std::isdigit(errorId[pos]))
{
return "Failed to add suppression. Invalid id \"" + errorId + "\"";
}
}
_suppressions[errorId][file].push_back(line);
_suppressions[errorId][file].sort();
return "";
}
bool Settings::Suppressions::isSuppressed(const std::string &errorId, const std::string &file, unsigned int line)
{
if (_suppressions.find(errorId) == _suppressions.end())
return false;
// Check are all errors of this type filtered out
if (_suppressions[errorId].find("") != _suppressions[errorId].end())
return true;
if (_suppressions[errorId].find(file) == _suppressions[errorId].end())
return false;
// Check should all errors in this file be filtered out
if (std::find(_suppressions[errorId][file].begin(), _suppressions[errorId][file].end(), 0) != _suppressions[errorId][file].end())
return true;
if (std::find(_suppressions[errorId][file].begin(), _suppressions[errorId][file].end(), line) == _suppressions[errorId][file].end())
return false;
return true;
}
std::string Settings::addEnabled(const std::string &str)
{
// Enable parameters may be comma separated...
if (str.find(",") != std::string::npos)
{
std::string::size_type prevPos = 0;
std::string::size_type pos = 0;
while ((pos = str.find(",", pos)) != std::string::npos)
{
if (pos == prevPos)
return std::string("cppcheck: --enable parameter is empty");
const std::string errmsg(addEnabled(str.substr(prevPos, pos - prevPos)));
if (!errmsg.empty())
return errmsg;
++pos;
prevPos = pos;
}
if (prevPos >= str.length())
return std::string("cppcheck: --enable parameter is empty");
return addEnabled(str.substr(prevPos));
}
bool handled = false;
if (str == "all")
handled = _checkCodingStyle = true;
else if (str == "style")
handled = _checkCodingStyle = true;
std::set<std::string> id;
id.insert("missingInclude");
id.insert("unusedFunction");
if (str == "all")
{
std::set<std::string>::const_iterator it;
for (it = id.begin(); it != id.end(); ++it)
_enabled[*it] = true;
}
else if (id.find(str) != id.end())
{
_enabled[str] = true;
}
else if (!handled)
{
if (str.empty())
return std::string("cppcheck: --enable parameter is empty");
else
return std::string("cppcheck: there is no --enable parameter with the name '" + str + "'");
}
return std::string("");
}
bool Settings::isEnabled(const std::string &str) const
{
return bool(_enabled.find(str) != _enabled.end());
}
void Settings::append(const std::string &filename)
{
_append = "\n";
std::ifstream fin(filename.c_str());
std::string line;
while (std::getline(fin, line))
{
_append += line + "\n";
}
}
std::string Settings::append() const
{
return _append;
}
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