Browse Source
Second part of the refactoring of Parser.cpp/.h
Second part of the refactoring of Parser.cpp/.h
- Eliminated the need for SupportedLineEndings (I hope...should work on all os, but have only tested this on linux)
- Moved fileExistsAndIsReadable to MappedFile
- Removed scanForModelHint and replaced it with its contents at the one point where is was used in the AutoParser
- Moved and renamed remaining part of Parser.cpp/.h to src/utility/cstring.cpp/.h
|- New namespace of the cstring manipulation functions is storm::utility::cstring
|- Used a using namespace storm::utility::cstring to eliminate the full namespace specification within the needing parsers. This keeps the code readable.
- Threw out some unnessesary includes.
Next up: Commenting and making things look nice.
Former-commit-id: c983d1e1a2
main
masawei
11 years ago
22 changed files with 246 additions and 433 deletions
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35src/parser/AtomicPropositionLabelingParser.cpp
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19src/parser/AutoParser.cpp
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8src/parser/AutoParser.h
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2src/parser/CslParser.h
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1src/parser/DeterministicModelParser.h
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18src/parser/DeterministicSparseTransitionParser.cpp
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4src/parser/DeterministicSparseTransitionParser.h
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1src/parser/LtlParser.h
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8src/parser/MappedFile.cpp
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6src/parser/MappedFile.h
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38src/parser/MarkovAutomatonSparseTransitionParser.cpp
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7src/parser/MarkovAutomatonSparseTransitionParser.h
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1src/parser/NondeterministicModelParser.h
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23src/parser/NondeterministicSparseTransitionParser.cpp
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4src/parser/NondeterministicSparseTransitionParser.h
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253src/parser/Parser.cpp
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93src/parser/Parser.h
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2src/parser/PrctlParser.h
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6src/parser/SparseStateRewardParser.cpp
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95src/utility/cstring.cpp
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53src/utility/cstring.h
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2test/functional/parser/MarkovAutomatonParserTest.cpp
@ -1,253 +0,0 @@ |
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#include "src/parser/Parser.h"
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#include <fcntl.h>
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#include <iostream>
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#include <fstream>
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#include <cstring>
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#include <string>
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#include <cerrno>
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#include <boost/integer/integer_mask.hpp>
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#include "src/exceptions/FileIoException.h"
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#include "src/exceptions/WrongFormatException.h"
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#include "src/utility/OsDetection.h"
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#include "src/parser/MappedFile.h"
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#include "log4cplus/logger.h"
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#include "log4cplus/loggingmacros.h"
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extern log4cplus::Logger logger; |
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namespace storm { |
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namespace parser { |
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/*!
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* Calls strtol() internally and checks if the new pointer is different |
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* from the original one, i.e. if str != *end. If they are the same, a |
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* storm::exceptions::WrongFormatException will be thrown. |
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* @param str String to parse |
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* @param end New pointer will be written there |
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* @return Result of strtol() |
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*/ |
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uint_fast64_t checked_strtol(const char* str, char** end) { |
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uint_fast64_t res = strtol(str, end, 10); |
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if (str == *end) { |
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LOG4CPLUS_ERROR(logger, "Error while parsing integer. Next input token is not a number."); |
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LOG4CPLUS_ERROR(logger, "\tUpcoming input is: \"" << std::string(str, 0, 16) << "\""); |
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throw storm::exceptions::WrongFormatException("Error while parsing integer. Next input token is not a number."); |
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} |
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return res; |
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} |
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/*!
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* Calls strtod() internally and checks if the new pointer is different |
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* from the original one, i.e. if str != *end. If they are the same, a |
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* storm::exceptions::WrongFormatException will be thrown. |
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* @param str String to parse |
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* @param end New pointer will be written there |
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* @return Result of strtod() |
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*/ |
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double checked_strtod(const char* str, char** end) { |
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double res = strtod(str, end); |
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if (str == *end) { |
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LOG4CPLUS_ERROR(logger, "Error while parsing floating point. Next input token is not a number."); |
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LOG4CPLUS_ERROR(logger, "\tUpcoming input is: \"" << std::string(str, 0, 16) << "\""); |
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throw storm::exceptions::WrongFormatException("Error while parsing floating point. Next input token is not a number."); |
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} |
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return res; |
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} |
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/*!
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* @brief Tests whether the given file exists and is readable. |
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* @return True iff the file exists and is readable. |
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*/ |
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bool fileExistsAndIsReadable(const char* fileName) { |
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std::ifstream fin(fileName); |
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bool returnValue = !fin.fail(); |
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return returnValue; |
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} |
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/*!
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* Skips all numbers, letters and special characters. |
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* Returns a pointer to the first char that is a whitespace. |
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* @param buf The string buffer to operate on. |
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* @return A pointer to the first whitespace character. |
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*/ |
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char* skipWord(char* buf){ |
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while((*buf != ' ') && (*buf != '\t') && (*buf != '\n') && (*buf != '\r')) buf++; |
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return buf; |
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} |
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/*!
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* Skips spaces, tabs, newlines and carriage returns. Returns a pointer |
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* to first char that is not a whitespace. |
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* @param buf The string buffer to operate on. |
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* @return A pointer to the first non-whitespace character. |
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*/ |
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char* trimWhitespaces(char* buf) { |
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while ((*buf == ' ') || (*buf == '\t') || (*buf == '\n') || (*buf == '\r')) buf++; |
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return buf; |
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} |
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/*!
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* @briefs Analyzes the given file and tries to find out the used file endings. |
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*/ |
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SupportedLineEndings findUsedLineEndings(std::string const& fileName, bool throwOnUnsupported) { |
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MappedFile fileMap(fileName.c_str()); |
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char* buf = nullptr; |
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char* const bufferEnd = fileMap.dataend; |
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for (buf = fileMap.data; buf != bufferEnd; ++buf) { |
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if (*buf == '\r') { |
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// check for following \n
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if (((buf + sizeof(char)) < bufferEnd) && (*(buf + sizeof(char)) == '\n')) { |
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return SupportedLineEndings::SlashRN; |
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} |
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return SupportedLineEndings::SlashR; |
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} else if (*buf == '\n') { |
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return SupportedLineEndings::SlashN; |
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} |
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} |
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if (throwOnUnsupported) { |
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LOG4CPLUS_ERROR(logger, "Error while parsing \"" << fileName << "\": Unsupported or unknown line-endings. Please use either of \\r, \\n or \\r\\n"); |
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throw storm::exceptions::WrongFormatException() << "Error while parsing \"" << fileName << "\": Unsupported or unknown line-endings. Please use either of \\r, \\n or \\r\\n"; |
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} |
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LOG4CPLUS_WARN(logger, "Error while parsing \"" << fileName << "\": Unsupported or unknown line-endings. Please use either of \\r, \\n or \\r\\n"); |
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return SupportedLineEndings::Unsupported; |
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} |
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/*!
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* @brief Encapsulates the usage of function @strcspn to forward to the end of the line (next char is the newline character). |
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*/ |
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char* forwardToLineEnd(char* buffer, SupportedLineEndings lineEndings) { |
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switch (lineEndings) { |
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case SupportedLineEndings::SlashN: |
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return buffer + strcspn(buffer, "\n\0"); |
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break; |
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case SupportedLineEndings::SlashR: |
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return buffer + strcspn(buffer, "\r\0"); |
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break; |
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case SupportedLineEndings::SlashRN: |
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return buffer + strcspn(buffer, "\r\0"); |
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break; |
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default: |
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case SupportedLineEndings::Unsupported: |
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// This Line will never be reached as the Parser would have thrown already.
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throw; |
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break; |
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} |
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return nullptr; |
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} |
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/*!
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* @brief Encapsulates the usage of function @strchr to forward to the next line |
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*/ |
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char* forwardToNextLine(char* buffer, SupportedLineEndings lineEndings) { |
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switch (lineEndings) { |
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case SupportedLineEndings::SlashN: |
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return strchr(buffer, '\n') + 1; |
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break; |
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case SupportedLineEndings::SlashR: |
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return strchr(buffer, '\r') + 1; |
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break; |
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case SupportedLineEndings::SlashRN: |
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return strchr(buffer, '\r') + 2; |
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break; |
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default: |
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case SupportedLineEndings::Unsupported: |
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// This Line will never be reached as the Parser would have thrown already.
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throw; |
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break; |
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} |
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return nullptr; |
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} |
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/*!
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* @brief Encapsulates the usage of function @sscanf to scan for the model type hint |
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* @param targetBuffer The Target for the hint, must be at least 64 bytes long |
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* @param buffer The Source Buffer from which the Model Hint will be read |
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*/ |
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void scanForModelHint(char* targetBuffer, uint_fast64_t targetBufferSize, char const* buffer, SupportedLineEndings lineEndings) { |
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if (targetBufferSize <= 4) { |
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throw; |
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} |
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switch (lineEndings) { |
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case SupportedLineEndings::SlashN: |
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#ifdef WINDOWS
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sscanf_s(buffer, "%60s\n", targetBuffer, targetBufferSize); |
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#else
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sscanf(buffer, "%60s\n", targetBuffer); |
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#endif
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break; |
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case SupportedLineEndings::SlashR: |
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#ifdef WINDOWS
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sscanf_s(buffer, "%60s\r", targetBuffer, sizeof(targetBufferSize)); |
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#else
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sscanf(buffer, "%60s\r", targetBuffer); |
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#endif
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break; |
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case SupportedLineEndings::SlashRN: |
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#ifdef WINDOWS
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sscanf_s(buffer, "%60s\r\n", targetBuffer, sizeof(targetBufferSize)); |
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#else
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sscanf(buffer, "%60s\r\n", targetBuffer); |
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#endif
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break; |
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default: |
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case SupportedLineEndings::Unsupported: |
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// This Line will never be reached as the Parser would have thrown already.
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throw; |
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break; |
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} |
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} |
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/*!
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* @brief Returns the matching Separator-String in the format of "BLANK\t\NEWLINESYMBOL(S)\0 |
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*/ |
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void getMatchingSeparatorString(char* targetBuffer, uint_fast64_t targetBufferSize, SupportedLineEndings lineEndings) { |
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if (targetBufferSize < 5) { |
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LOG4CPLUS_ERROR(logger, "getMatchingSeparatorString: The passed Target Buffer is too small."); |
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throw; |
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} |
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switch (lineEndings) { |
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case SupportedLineEndings::SlashN: { |
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char source[] = " \n\t"; |
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#ifdef WINDOWS
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strncpy(targetBuffer, targetBufferSize, source, sizeof(source)); |
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#else
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strncpy(targetBuffer, source, targetBufferSize); |
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#endif
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break; |
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} |
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case SupportedLineEndings::SlashR: { |
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char source[] = " \r\t"; |
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#ifdef WINDOWS
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strncpy(targetBuffer, targetBufferSize, source, sizeof(source)); |
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#else
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strncpy(targetBuffer, source, targetBufferSize); |
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#endif
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break; |
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} |
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case SupportedLineEndings::SlashRN: { |
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char source[] = " \r\n\t"; |
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#ifdef WINDOWS
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strncpy(targetBuffer, targetBufferSize, source, sizeof(source)); |
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#else
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strncpy(targetBuffer, source, targetBufferSize); |
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#endif
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break; |
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} |
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default: |
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case SupportedLineEndings::Unsupported: |
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// This Line will never be reached as the Parser would have thrown already.
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LOG4CPLUS_ERROR(logger, "getMatchingSeparatorString: The passed lineEndings were Unsupported. Check your input file."); |
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throw; |
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break; |
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} |
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} |
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} // namespace parser
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} // namespace storm
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@ -1,93 +0,0 @@ |
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/* |
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* Parser.h |
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* |
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* Created on: 21.11.2012 |
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* Author: Gereon Kremer |
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*/ |
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#ifndef STORM_PARSER_PARSER_H_ |
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#define STORM_PARSER_PARSER_H_ |
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#include "src/utility/OsDetection.h" |
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#include <sys/stat.h> |
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#include <vector> |
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#include <string> |
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namespace storm { |
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/*! |
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* @brief Contains all file parsers and helper classes. |
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* |
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* This namespace contains everything needed to load data files (like |
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* atomic propositions, transition systems, formulas, etc.) including |
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* methods for efficient file access (see MappedFile). |
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*/ |
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namespace parser { |
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/*! |
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* @brief Parses integer and checks, if something has been parsed. |
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*/ |
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uint_fast64_t checked_strtol(const char* str, char** end); |
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/*! |
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* @brief Parses floating point and checks, if something has been parsed. |
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*/ |
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double checked_strtod(const char* str, char** end); |
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/*! |
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* @brief Skips all non whitespace characters until the next whitespace. |
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*/ |
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char* skipWord(char* buf); |
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/*! |
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* @brief Skips common whitespaces in a string. |
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*/ |
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char* trimWhitespaces(char* buf); |
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/*! |
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* @brief Tests whether the given file exists and is readable. |
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*/ |
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bool fileExistsAndIsReadable(const char* fileName); |
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/*! |
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* @brief Enum Class Type containing all supported file endings. |
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*/ |
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enum class SupportedLineEndings : unsigned short { |
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Unsupported = 0, |
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SlashR, |
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SlashN, |
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SlashRN |
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}; |
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/*! |
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* @briefs Analyzes the given file and tries to find out the used line endings. |
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*/ |
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storm::parser::SupportedLineEndings findUsedLineEndings(std::string const& fileName, bool throwOnUnsupported = false); |
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/*! |
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* @brief Encapsulates the usage of function @strcspn to forward to the end of the line (next char is the newline character). |
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*/ |
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char* forwardToLineEnd(char* buffer, storm::parser::SupportedLineEndings lineEndings); |
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/*! |
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* @brief Encapsulates the usage of function @strchr to forward to the next line |
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*/ |
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char* forwardToNextLine(char* buffer, storm::parser::SupportedLineEndings lineEndings); |
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/*! |
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* @brief Encapsulates the usage of function @sscanf to scan for the model type hint |
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* @param targetBuffer The Target for the hint, should be at least 64 bytes long |
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* @param buffer The Source Buffer from which the Model Hint will be read |
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*/ |
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void scanForModelHint(char* targetBuffer, uint_fast64_t targetBufferSize, char const* buffer, storm::parser::SupportedLineEndings lineEndings); |
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/*! |
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* @brief Returns the matching Separator-String in the format of "BLANK\t\NEWLINESYMBOL(S)\0 |
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*/ |
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void getMatchingSeparatorString(char* targetBuffer, uint_fast64_t targetBufferSize, storm::parser::SupportedLineEndings lineEndings); |
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} // namespace parser |
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} // namespace storm |
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#endif /* STORM_PARSER_PARSER_H_ */ |
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@ -0,0 +1,95 @@ |
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#include "src/utility/cstring.h"
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#include <cstring>
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#include "src/exceptions/WrongFormatException.h"
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#include "log4cplus/logger.h"
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#include "log4cplus/loggingmacros.h"
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extern log4cplus::Logger logger; |
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namespace storm { |
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namespace utility { |
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namespace cstring { |
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/*!
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* Calls strtol() internally and checks if the new pointer is different |
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* from the original one, i.e. if str != *end. If they are the same, a |
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* storm::exceptions::WrongFormatException will be thrown. |
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* @param str String to parse |
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* @param end New pointer will be written there |
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* @return Result of strtol() |
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*/ |
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uint_fast64_t checked_strtol(const char* str, char** end) { |
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uint_fast64_t res = strtol(str, end, 10); |
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if (str == *end) { |
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LOG4CPLUS_ERROR(logger, "Error while parsing integer. Next input token is not a number."); |
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LOG4CPLUS_ERROR(logger, "\tUpcoming input is: \"" << std::string(str, 0, 16) << "\""); |
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throw storm::exceptions::WrongFormatException("Error while parsing integer. Next input token is not a number."); |
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} |
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return res; |
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} |
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|
/*!
|
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|
* Calls strtod() internally and checks if the new pointer is different |
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|
* from the original one, i.e. if str != *end. If they are the same, a |
||||
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* storm::exceptions::WrongFormatException will be thrown. |
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* @param str String to parse |
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|
* @param end New pointer will be written there |
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* @return Result of strtod() |
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*/ |
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double checked_strtod(const char* str, char** end) { |
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double res = strtod(str, end); |
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if (str == *end) { |
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LOG4CPLUS_ERROR(logger, "Error while parsing floating point. Next input token is not a number."); |
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LOG4CPLUS_ERROR(logger, "\tUpcoming input is: \"" << std::string(str, 0, 16) << "\""); |
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throw storm::exceptions::WrongFormatException("Error while parsing floating point. Next input token is not a number."); |
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} |
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return res; |
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} |
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|
||||
|
/*!
|
||||
|
* Skips all numbers, letters and special characters. |
||||
|
* Returns a pointer to the first char that is a whitespace. |
||||
|
* @param buf The string buffer to operate on. |
||||
|
* @return A pointer to the first whitespace character. |
||||
|
*/ |
||||
|
char* skipWord(char* buf){ |
||||
|
while(!isspace(*buf) && *buf != '\0') buf++; |
||||
|
return buf; |
||||
|
} |
||||
|
|
||||
|
/*!
|
||||
|
* Skips spaces, tabs, newlines and carriage returns. Returns a pointer |
||||
|
* to first char that is not a whitespace. |
||||
|
* @param buf The string buffer to operate on. |
||||
|
* @return A pointer to the first non-whitespace character. |
||||
|
*/ |
||||
|
char* trimWhitespaces(char* buf) { |
||||
|
while (isspace(*buf)) buf++; |
||||
|
return buf; |
||||
|
} |
||||
|
|
||||
|
/*!
|
||||
|
* @brief Encapsulates the usage of function @strcspn to forward to the end of the line (next char is the newline character). |
||||
|
*/ |
||||
|
char* forwardToLineEnd(char* buffer) { |
||||
|
return buffer + strcspn(buffer, "\n\r\0"); |
||||
|
} |
||||
|
|
||||
|
/*!
|
||||
|
* @brief Encapsulates the usage of function @strchr to forward to the next line |
||||
|
*/ |
||||
|
char* forwardToNextLine(char* buffer) { |
||||
|
char* lineEnd = forwardToLineEnd(buffer); |
||||
|
while((*lineEnd == '\n') || (*lineEnd == '\r')) lineEnd++; |
||||
|
return lineEnd; |
||||
|
} |
||||
|
|
||||
|
} // namespace cstring
|
||||
|
|
||||
|
} // namespace utility
|
||||
|
|
||||
|
} // namespace storm
|
||||
@ -0,0 +1,53 @@ |
|||||
|
/* |
||||
|
* cstring.h |
||||
|
* |
||||
|
* Created on: 30.01.2014 |
||||
|
* Author: Manuel Sascha Weiand |
||||
|
*/ |
||||
|
|
||||
|
#ifndef STORM_UTILITY_CSTRING_H_ |
||||
|
#define STORM_UTILITY_CSTRING_H_ |
||||
|
|
||||
|
#include <cstdint> |
||||
|
|
||||
|
namespace storm { |
||||
|
namespace utility { |
||||
|
namespace cstring { |
||||
|
|
||||
|
/*! |
||||
|
* @brief Parses integer and checks, if something has been parsed. |
||||
|
*/ |
||||
|
uint_fast64_t checked_strtol(const char* str, char** end); |
||||
|
|
||||
|
/*! |
||||
|
* @brief Parses floating point and checks, if something has been parsed. |
||||
|
*/ |
||||
|
double checked_strtod(const char* str, char** end); |
||||
|
|
||||
|
/*! |
||||
|
* @brief Skips all non whitespace characters until the next whitespace. |
||||
|
*/ |
||||
|
char* skipWord(char* buf); |
||||
|
|
||||
|
/*! |
||||
|
* @brief Skips common whitespaces in a string. |
||||
|
*/ |
||||
|
char* trimWhitespaces(char* buf); |
||||
|
|
||||
|
/*! |
||||
|
* @brief Encapsulates the usage of function @strcspn to forward to the end of the line (next char is the newline character). |
||||
|
*/ |
||||
|
char* forwardToLineEnd(char* buffer); |
||||
|
|
||||
|
/*! |
||||
|
* @brief Encapsulates the usage of function @strchr to forward to the next line |
||||
|
* |
||||
|
* Note: All lines after the current, which do not contain any characters are skipped. |
||||
|
*/ |
||||
|
char* forwardToNextLine(char* buffer); |
||||
|
|
||||
|
} // namespace cstring |
||||
|
} // namespace utility |
||||
|
} // namespace storm |
||||
|
|
||||
|
#endif /* STORM_UTILITY_CSTRING_H_ */ |
||||
Reference in new issue
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