diff --git a/lexerOfRealNumbers/lexerOfRealNumbers.sln b/lexerOfRealNumbers/lexerOfRealNumbers.sln new file mode 100644 index 0000000..dcbd21c --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers.sln @@ -0,0 +1,31 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.0.31903.59 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lexerOfRealNumbers", "lexerOfRealNumbers\lexerOfRealNumbers.vcxproj", "{855B83FD-7DFD-46AC-82CE-C87C4D1556C9}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|x64 = Debug|x64 + Debug|x86 = Debug|x86 + Release|x64 = Release|x64 + Release|x86 = Release|x86 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Debug|x64.ActiveCfg = Debug|x64 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Debug|x64.Build.0 = Debug|x64 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Debug|x86.ActiveCfg = Debug|Win32 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Debug|x86.Build.0 = Debug|Win32 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Release|x64.ActiveCfg = Release|x64 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Release|x64.Build.0 = Release|x64 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Release|x86.ActiveCfg = Release|Win32 + {855B83FD-7DFD-46AC-82CE-C87C4D1556C9}.Release|x86.Build.0 = Release|Win32 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {A7BA3005-37CA-45AB-810D-705CFC0F9F11} + EndGlobalSection +EndGlobal diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/lexer.c b/lexerOfRealNumbers/lexerOfRealNumbers/lexer.c new file mode 100644 index 0000000..98d0b39 --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/lexer.c @@ -0,0 +1,96 @@ +#include "lexer.h" +#include +#include + +bool isTheSequenceANumber(const char* string) { + size_t sizeString = strlen(string); + State state = startZero; + for (size_t i = 0; i < sizeString + 1; ++i) { + switch (state) + { + case startZero: + if (i == 0 && i + 1 == sizeString) { + return false; + } + if (isdigit(string[i])) { + state = first; + break; + } + return false; + case first: + if (i == sizeString) { + return true; + } + if (isdigit(string[i])) { + state = first; + break; + } + else if (string[i] == '.') { + state = second; + if (i + 1 == sizeString) { + return false; + } + break; + } + else if (string[i] == 'E') { + state = fourth; + if (i + 1 == sizeString) { + return false; + } + break; + } + return false; + case second: + if (i == sizeString) { + return true; + } + if (isdigit(string[i])) { + state = third; + break; + } + return false; + case third: + if (i == sizeString) { + return true; + } + if (string[i] == 'E') { + state = fourth; + if (i + 1 == sizeString) { + return false; + } + break; + } + else if (isdigit(string[i])) { + state = third; + break; + } + return false; + case fourth: + if (i == sizeString) { + return true; + } + if (isdigit(string[i])) { + state = fifth; + break; + } + else if (string[i] == '+' || string[i] == '-') { + state = fifth; + if (i + 1 == sizeString) { + return false; + } + break; + } + return false; + case fifth: + if (i == sizeString) { + return true; + } + if (isdigit(string[i])) { + state = fifth; + break; + } + return false; + } + } + return true; +} \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/lexer.h b/lexerOfRealNumbers/lexerOfRealNumbers/lexer.h new file mode 100644 index 0000000..e5ff790 --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/lexer.h @@ -0,0 +1,15 @@ +#pragma once + +#include + +typedef enum State { + startZero, + first, + second, + third, + fourth, + fifth +} State; + +//Checking whether the string is a real number or not +bool isTheSequenceANumber(const char* string); \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj b/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj new file mode 100644 index 0000000..aa020f4 --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj @@ -0,0 +1,153 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + 16.0 + Win32Proj + {855b83fd-7dfd-46ac-82ce-c87c4d1556c9} + lexerOfRealNumbers + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + true + + + false + + + true + + + false + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + Level3 + false + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj.filters b/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj.filters new file mode 100644 index 0000000..89561cc --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/lexerOfRealNumbers.vcxproj.filters @@ -0,0 +1,36 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Исходные файлы + + + Исходные файлы + + + Исходные файлы + + + + + Исходные файлы + + + Исходные файлы + + + \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/main.c b/lexerOfRealNumbers/lexerOfRealNumbers/main.c new file mode 100644 index 0000000..1a0c859 --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/main.c @@ -0,0 +1,21 @@ +#include "lexer.h" +#include "test.h" +#include +#include + +int main() { + if (test()) { + printf("Tests correct!\n"); + } else { + printf("ERROR...\n"); + return -1; + } + printf("Input string no more than 100 symbols\n"); + char string[101] = { '\0' }; + scanf_s("%s", string, 100); + if (isTheSequenceANumber(string)) { + printf("It is number\n"); + } else { + printf("It is not number\n"); + } +} \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/test.c b/lexerOfRealNumbers/lexerOfRealNumbers/test.c new file mode 100644 index 0000000..55ccb68 --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/test.c @@ -0,0 +1,8 @@ +#include "test.h" +#include "lexer.h" + +bool test() { + return isTheSequenceANumber("1E4") && !isTheSequenceANumber("1.E4") && isTheSequenceANumber("1.2E4") + && isTheSequenceANumber("1.4") && isTheSequenceANumber("1.4E+45") && !isTheSequenceANumber("1.4E-") + && isTheSequenceANumber("14E-2") && isTheSequenceANumber("14"); +} \ No newline at end of file diff --git a/lexerOfRealNumbers/lexerOfRealNumbers/test.h b/lexerOfRealNumbers/lexerOfRealNumbers/test.h new file mode 100644 index 0000000..d724f5d --- /dev/null +++ b/lexerOfRealNumbers/lexerOfRealNumbers/test.h @@ -0,0 +1,6 @@ +#pragma once + +#include + +//Test for checking whether the string is a real number or not +bool test(); \ No newline at end of file