File indexing completed on 2021-02-14 13:29:21
0001
0002 #include "FWCore/Utilities/interface/Exception.h"
0003
0004 namespace cms {
0005
0006 Exception::Exception(std::string const& aCategory)
0007 : std::exception(), ost_(), category_(aCategory), what_(), context_(), additionalInfo_(), alreadyPrinted_(false) {}
0008
0009 Exception::Exception(char const* aCategory)
0010 : std::exception(),
0011 ost_(),
0012 category_(std::string(aCategory)),
0013 what_(),
0014 context_(),
0015 additionalInfo_(),
0016 alreadyPrinted_(false) {}
0017
0018 Exception::Exception(std::string const& aCategory, std::string const& message)
0019 : std::exception(), ost_(), category_(aCategory), what_(), context_(), additionalInfo_(), alreadyPrinted_(false) {
0020 init(message);
0021 }
0022
0023 Exception::Exception(char const* aCategory, std::string const& message)
0024 : std::exception(),
0025 ost_(),
0026 category_(std::string(aCategory)),
0027 what_(),
0028 context_(),
0029 additionalInfo_(),
0030 alreadyPrinted_(false) {
0031 init(message);
0032 }
0033
0034 Exception::Exception(std::string const& aCategory, char const* message)
0035 : std::exception(), ost_(), category_(aCategory), what_(), context_(), additionalInfo_(), alreadyPrinted_(false) {
0036 init(std::string(message));
0037 }
0038
0039 Exception::Exception(char const* aCategory, char const* message)
0040 : std::exception(),
0041 ost_(),
0042 category_(std::string(aCategory)),
0043 what_(),
0044 context_(),
0045 additionalInfo_(),
0046 alreadyPrinted_(false) {
0047 init(std::string(message));
0048 }
0049
0050 void Exception::init(std::string const& message) {
0051 ost_ << message;
0052 if (!message.empty()) {
0053 unsigned sz = message.size() - 1;
0054 if (message[sz] != '\n' && message[sz] != ' ')
0055 ost_ << " ";
0056 }
0057 }
0058
0059 Exception::Exception(std::string const& aCategory, std::string const& message, Exception const& another)
0060 : std::exception(),
0061 ost_(),
0062 category_(aCategory),
0063 what_(),
0064 context_(another.context()),
0065 additionalInfo_(another.additionalInfo()),
0066 alreadyPrinted_(false) {
0067 ost_ << message;
0068
0069 if (!message.empty() && message[message.size() - 1] != '\n') {
0070 ost_ << "\n";
0071 }
0072 append(another);
0073 }
0074
0075 Exception::Exception(Exception const& other)
0076 : std::exception(),
0077 ost_(),
0078 category_(other.category_),
0079 what_(other.what_),
0080 context_(other.context_),
0081 additionalInfo_(other.additionalInfo_),
0082 alreadyPrinted_(other.alreadyPrinted_) {
0083 ost_ << other.ost_.str();
0084 }
0085
0086 Exception::~Exception() noexcept {}
0087
0088 void Exception::swap(Exception& other) {
0089 ost_ << other.ost_.str();
0090 category_.swap(other.category_);
0091 what_.swap(other.what_);
0092 context_.swap(other.context_);
0093 additionalInfo_.swap(other.additionalInfo_);
0094 std::swap(alreadyPrinted_, other.alreadyPrinted_);
0095 }
0096
0097 Exception& Exception::operator=(Exception const& other) {
0098 Exception temp(other);
0099 this->swap(temp);
0100 return *this;
0101 }
0102
0103 char const* Exception::what() const noexcept {
0104 what_ = explainSelf();
0105 return what_.c_str();
0106 }
0107
0108 std::string Exception::explainSelf() const {
0109 std::ostringstream ost;
0110
0111 if (context_.empty()) {
0112 ost << "An exception of category '" << category_ << "' occurred.\n";
0113 } else {
0114 ost << "An exception of category '" << category_ << "' occurred while\n";
0115 int count = 0;
0116 for (std::list<std::string>::const_reverse_iterator i = context_.rbegin(), iEnd = context_.rend(); i != iEnd;
0117 ++i, ++count) {
0118 ost << " [" << count << "] " << *i << "\n";
0119 }
0120 }
0121
0122 std::string centralMessage(ost_.str());
0123 if (!centralMessage.empty()) {
0124 ost << "Exception Message:\n";
0125 ost << centralMessage;
0126 if (centralMessage[centralMessage.size() - 1] != '\n') {
0127 ost << "\n";
0128 }
0129 }
0130
0131 if (!additionalInfo_.empty()) {
0132 ost << " Additional Info:\n";
0133 char c = 'a';
0134 for (std::list<std::string>::const_reverse_iterator i = additionalInfo_.rbegin(), iEnd = additionalInfo_.rend();
0135 i != iEnd;
0136 ++i, ++c) {
0137 ost << " [" << c << "] " << *i << "\n";
0138 }
0139 }
0140 return ost.str();
0141 }
0142
0143 std::string const& Exception::category() const { return category_; }
0144
0145 std::string Exception::message() const { return ost_.str(); }
0146
0147 std::list<std::string> const& Exception::context() const { return context_; }
0148
0149 std::list<std::string> const& Exception::additionalInfo() const { return additionalInfo_; }
0150
0151 int Exception::returnCode() const { return returnCode_(); }
0152
0153 void Exception::append(Exception const& another) { ost_ << another.message(); }
0154
0155 void Exception::append(std::string const& more_information) { ost_ << more_information; }
0156
0157 void Exception::append(char const* more_information) { ost_ << more_information; }
0158
0159 void Exception::clearMessage() { ost_.str(""); }
0160
0161 void Exception::clearContext() { context_.clear(); }
0162
0163 void Exception::clearAdditionalInfo() { additionalInfo_.clear(); }
0164
0165 void Exception::addContext(std::string const& context) { context_.push_back(context); }
0166
0167 void Exception::addContext(char const* context) { context_.push_back(std::string(context)); }
0168
0169 void Exception::addAdditionalInfo(std::string const& info) { additionalInfo_.push_back(info); }
0170
0171 void Exception::addAdditionalInfo(char const* info) { additionalInfo_.push_back(std::string(info)); }
0172
0173 void Exception::setContext(std::list<std::string> const& context) { context_ = context; }
0174
0175 void Exception::setAdditionalInfo(std::list<std::string> const& info) { additionalInfo_ = info; }
0176
0177 bool Exception::alreadyPrinted() const { return alreadyPrinted_; }
0178
0179 void Exception::setAlreadyPrinted(bool value) { alreadyPrinted_ = value; }
0180
0181 Exception* Exception::clone() const { return new Exception(*this); }
0182
0183 void Exception::rethrow() { throw *this; }
0184
0185 int Exception::returnCode_() const { return 8001; }
0186
0187 std::list<std::string> Exception::history() const {
0188 std::list<std::string> returnValue;
0189 returnValue.push_back(category_);
0190 return returnValue;
0191 }
0192 }
