#include "errorlogger.h"

#include "path.h"

#include "cppcheck.h"

#include "tokenlist.h"

#include "token.h"

#include "utils.h"

#include <tinyxml2.h>

#include <cassert>

#include <iomanip>

#include <sstream>

#include <array>

InternalError::InternalError(const Token *tok, const std::string &errorMsg, Type type) :

}

ErrorLogger::ErrorMessage::ErrorMessage()

: _severity(Severity::none), _cwe(0U), _inconclusive(false)

{

}

ErrorLogger::ErrorMessage::ErrorMessage(const std::list<FileLocation> &callStack, const std::string& file0_, Severity::SeverityType severity, const std::string &msg, const std::string &id, bool inconclusive) :

_callStack(callStack), // locations for this error message

_id(id), // set the message id

file0(file0_),

_severity(severity), // severity for this error message

_cwe(0U),

_inconclusive(inconclusive)

{

// set the summary and verbose messages

setmsg(msg);

}

ErrorLogger::ErrorMessage::ErrorMessage(const std::list<FileLocation> &callStack, const std::string& file0_, Severity::SeverityType severity, const std::string &msg, const std::string &id, const CWE &cwe, bool inconclusive) :

_callStack(callStack), // locations for this error message

_id(id), // set the message id

file0(file0_),

_severity(severity), // severity for this error message

_cwe(cwe.id),

_inconclusive(inconclusive)

{

// set the summary and verbose messages

setmsg(msg);

}

ErrorLogger::ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity::SeverityType severity, const std::string& id, const std::string& msg, bool inconclusive)

: _id(id), _severity(severity), _cwe(0U), _inconclusive(inconclusive)

{

// Format callstack

for (std::list<const Token *>::const_iterator it = callstack.begin(); it != callstack.end(); ++it) {

// --errorlist can provide null values here

if (!(*it))

continue;

_callStack.push_back(ErrorLogger::ErrorMessage::FileLocation(*it, list));

}

if (list && !list->getFiles().empty())

file0 = list->getFiles()[0];

setmsg(msg);

}

ErrorLogger::ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity::SeverityType severity, const std::string& id, const std::string& msg, const CWE &cwe, bool inconclusive)

: _id(id), _severity(severity), _cwe(cwe.id), _inconclusive(inconclusive)

{

// Format callstack

for (std::list<const Token *>::const_iterator it = callstack.begin(); it != callstack.end(); ++it) {

// --errorlist can provide null values here

if (!(*it))

continue;

_callStack.push_back(ErrorLogger::ErrorMessage::FileLocation(*it, list));

}

if (list && !list->getFiles().empty())

file0 = list->getFiles()[0];

setmsg(msg);

}

void ErrorLogger::ErrorMessage::setmsg(const std::string &msg)

{

// If a message ends to a '\n' and contains only a one '\n'

// it will cause the _verboseMessage to be empty which will show

// as an empty message to the user if --verbose is used.

// Even this doesn't cause problems with messages that have multiple

// lines, none of the the error messages should end into it.

assert(!(msg.back() =='\n'));

// The summary and verbose message are separated by a newline

// If there is no newline then both the summary and verbose messages

// are the given message

const std::string::size_type pos = msg.find('\n');

if (pos == std::string::npos) {

_shortMessage = msg;

_verboseMessage = msg;

} else {

_shortMessage = msg.substr(0, pos);

_verboseMessage = msg.substr(pos + 1);

}

}

std::string ErrorLogger::ErrorMessage::serialize() const

{

// Serialize this message into a simple string

std::ostringstream oss;

oss << _id.length() << " " << _id;

oss << Severity::toString(_severity).length() << " " << Severity::toString(_severity);

oss << MathLib::toString(_cwe.id).length() << " " << MathLib::toString(_cwe.id);

if (_inconclusive) {

const std::string inconclusive("inconclusive");

oss << inconclusive.length() << " " << inconclusive;

}

const std::string saneShortMessage = fixInvalidChars(_shortMessage);

const std::string saneVerboseMessage = fixInvalidChars(_verboseMessage);

oss << saneShortMessage.length() << " " << saneShortMessage;

oss << saneVerboseMessage.length() << " " << saneVerboseMessage;

oss << _callStack.size() << " ";

for (std::list<ErrorLogger::ErrorMessage::FileLocation>::const_iterator tok = _callStack.begin(); tok != _callStack.end(); ++tok) {

std::ostringstream smallStream;

smallStream << (*tok).line << ":" << (*tok).getfile();

oss << smallStream.str().length() << " " << smallStream.str();

}

return oss.str();

}

bool ErrorLogger::ErrorMessage::deserialize(const std::string &data)

{

_inconclusive = false;

_callStack.clear();

std::istringstream iss(data);

std::array<std::string, 5> results;

std::size_t elem = 0;

while (iss.good()) {

unsigned int len = 0;

if (!(iss >> len))

return false;

iss.get();

std::string temp;

for (unsigned int i = 0; i < len && iss.good(); ++i) {

char c = static_cast<char>(iss.get());

temp.append(1, c);

}

if (temp == "inconclusive") {

_inconclusive = true;

continue;

}

results[elem++] = temp;

if (elem == 5)

break;

}

if (elem != 5)

throw InternalError(0, "Internal Error: Deserialization of error message failed");

_id = results[0];

_severity = Severity::fromString(results[1]);

std::istringstream scwe(results[2]);

scwe >> _cwe.id;

_shortMessage = results[3];

_verboseMessage = results[4];

unsigned int stackSize = 0;

if (!(iss >> stackSize))

return false;

while (iss.good()) {

unsigned int len = 0;

if (!(iss >> len))

return false;

iss.get();

std::string temp;

for (unsigned int i = 0; i < len && iss.good(); ++i) {

const char c = static_cast<char>(iss.get());

temp.append(1, c);

}

const std::string::size_type colonPos = temp.find(':');

if (colonPos == std::string::npos)

throw InternalError(0, "Internal Error: No colon found in <filename:line> pattern");

ErrorLogger::ErrorMessage::FileLocation loc;

loc.setfile(temp.substr(colonPos + 1));

temp = temp.substr(0, colonPos);

std::istringstream fiss(temp);

fiss >> loc.line;

_callStack.push_back(loc);

if (_callStack.size() >= stackSize)

break;

}

return true;

}

std::string ErrorLogger::ErrorMessage::getXMLHeader(int xml_version)

{

// xml_version 1 is the default xml format

tinyxml2::XMLPrinter printer;

// standard xml header

printer.PushDeclaration("xml version=\"1.0\" encoding=\"UTF-8\"");

// header

printer.OpenElement("results", false);

// version 2 header

if (xml_version == 2) {

printer.PushAttribute("version", xml_version);

printer.OpenElement("cppcheck", false);

printer.PushAttribute("version", CppCheck::version());

printer.CloseElement(false);

printer.OpenElement("errors", false);

}

return std::string(printer.CStr()) + '>';

}

std::string ErrorLogger::ErrorMessage::getXMLFooter(int xml_version)

{

return (xml_version<=1) ? "</results>" : " </errors>\n</results>";

}

std::string ErrorLogger::ErrorMessage::fixInvalidChars(const std::string& raw)

{

std::string result;

result.reserve(raw.length());

std::string::const_iterator from=raw.begin();

while (from!=raw.end()) {

if (std::isprint(static_cast<unsigned char>(*from))) {

result.push_back(*from);

} else {

std::ostringstream es;

// straight cast to (unsigned) doesn't work out.

const unsigned uFrom = (unsigned char)*from;

es << '\\' << std::setbase(8) << std::setw(3) << std::setfill('0') << uFrom;

result += es.str();

}

++from;

}

return result;

}

std::string ErrorLogger::ErrorMessage::toXML(bool verbose, int version) const

{

// The default xml format

if (version == 1) {

// No inconclusive messages in the xml version 1

if (_inconclusive)

return "";

tinyxml2::XMLPrinter printer(0, false, 1);

printer.OpenElement("error", false);

if (!_callStack.empty()) {

printer.PushAttribute("file", _callStack.back().getfile().c_str());

printer.PushAttribute("line", _callStack.back().line);

}

printer.PushAttribute("id", _id.c_str());

printer.PushAttribute("severity", (_severity == Severity::error ? "error" : "style"));

printer.PushAttribute("msg", fixInvalidChars(verbose ? _verboseMessage : _shortMessage).c_str());

printer.CloseElement(false);

return printer.CStr();

}

// The xml format you get when you use --xml-version=2

else if (version == 2) {

tinyxml2::XMLPrinter printer(0, false, 2);

printer.OpenElement("error", false);

printer.PushAttribute("id", _id.c_str());

printer.PushAttribute("severity", Severity::toString(_severity).c_str());

printer.PushAttribute("msg", fixInvalidChars(_shortMessage).c_str());

printer.PushAttribute("verbose", fixInvalidChars(_verboseMessage).c_str());

if (_cwe.id)

printer.PushAttribute("cwe", _cwe.id);

if (_inconclusive)

printer.PushAttribute("inconclusive", "true");

for (std::list<FileLocation>::const_reverse_iterator it = _callStack.rbegin(); it != _callStack.rend(); ++it) {

printer.OpenElement("location", false);

if (!file0.empty() && (*it).getfile() != file0)

printer.PushAttribute("file0", Path::toNativeSeparators(file0).c_str());

printer.PushAttribute("file", (*it).getfile().c_str());

printer.PushAttribute("line", (*it).line);

printer.CloseElement(false);

}

printer.CloseElement(false);

return printer.CStr();

}

return "";

}

void ErrorLogger::ErrorMessage::findAndReplace(std::string &source, const std::string &searchFor, const std::string &replaceWith)

{

std::string::size_type index = 0;

while ((index = source.find(searchFor, index)) != std::string::npos) {

source.replace(index, searchFor.length(), replaceWith);

index += replaceWith.length();

}

}

std::string ErrorLogger::ErrorMessage::toString(bool verbose, const std::string &outputFormat) const

{

// Save this ErrorMessage in plain text.

// No template is given

if (outputFormat.length() == 0) {

std::ostringstream text;

if (!_callStack.empty())

text << callStackToString(_callStack) << ": ";

if (_severity != Severity::none) {

text << '(' << Severity::toString(_severity);

if (_inconclusive)

text << ", inconclusive";

text << ") ";

}

text << (verbose ? _verboseMessage : _shortMessage);

return text.str();

}

// template is given. Reformat the output according to it

else {

std::string result = outputFormat;

// Support a few special characters to allow to specific formatting, see http://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=4&t=494&sid=21715d362c0dbafd3791da4d9522f814

// Substitution should be done first so messages from cppcheck never get translated.

findAndReplace(result, "\\b", "\b");

findAndReplace(result, "\\n", "\n");

findAndReplace(result, "\\r", "\r");

findAndReplace(result, "\\t", "\t");

findAndReplace(result, "{id}", _id);

findAndReplace(result, "{severity}", Severity::toString(_severity));

findAndReplace(result, "{message}", verbose ? _verboseMessage : _shortMessage);

findAndReplace(result, "{callstack}", _callStack.empty() ? "" : callStackToString(_callStack));

if (!_callStack.empty()) {

std::ostringstream oss;

oss << _callStack.back().line;

findAndReplace(result, "{line}", oss.str());

findAndReplace(result, "{file}", _callStack.back().getfile());

} else {

findAndReplace(result, "{file}", "");

findAndReplace(result, "{line}", "");

}

return result;

}

}

void ErrorLogger::reportUnmatchedSuppressions(const std::list<Suppressions::SuppressionEntry> &unmatched)

}

std::string ErrorLogger::callStackToString(const std::list<ErrorLogger::ErrorMessage::FileLocation> &callStack)

}

ErrorLogger::ErrorMessage::FileLocation::FileLocation(const Token* tok, const TokenList* list)

: line(tok->linenr()), _file(list->file(tok))

{

}

std::string ErrorLogger::ErrorMessage::FileLocation::getfile(bool convert) const

{

if (convert)

return Path::toNativeSeparators(_file);

return _file;

}

void ErrorLogger::ErrorMessage::FileLocation::setfile(const std::string &file)

{

_file = file;

_file = Path::fromNativeSeparators(_file);

_file = Path::simplifyPath(_file);

}

std::string ErrorLogger::ErrorMessage::FileLocation::stringify() const

{

std::ostringstream oss;

oss << '[' << Path::toNativeSeparators(_file);

if (line != 0)

oss << ':' << line;

oss << ']';

return oss.str();

}

std::string ErrorLogger::toxml(const std::string &str)

}