Check the ASCII format of STL file

標題：檢查ASCII STL格式範例
VC++ (main.cpp)：

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#include "stdafx.h" #include <iostream> #include <fstream> #include <regex> //string lib here using namespace std; int _tmain(int argc, _TCHAR* argv[]) { int i = 0, num = 1; const char *filePath = "TriangleASCII.STL"; string lines = ""; regex solid(" *solid.*"); regex facetNormal(" *facet normal .+ .+ .+"); regex outerLoop(" *outer loop"); regex vertex(" *vertex .+ .+ .+"); regex endLoop(" *endloop"); regex endfacet(" *endfacet"); regex endsolid(" *endsolid"); //regex number("[+-]?(?=\.[0-9]|[0-9])(?:[0-9]+)?(?:\.?[0-9]*)(?:[eE][+-]?[0-9]+)?"); ifstream outputFile(filePath); if (outputFile.is_open()) //Check File { num++; //solid if(outputFile.good()) { getline(outputFile, lines); if(regex_match(lines, solid)) { cout << lines << endl; while(outputFile.good()) { //facet normal getline(outputFile, lines); if(regex_match(lines, facetNormal)) { cout << lines << endl; num++; } else if(regex_match(lines, endsolid)) { //end solid cout << lines << endl; cout << "Done." << endl; break; } else { cout << "[line " << num << " format error] " << lines << endl; break; } //outer loop getline(outputFile, lines); if(regex_match(lines, outerLoop)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } //vertex getline(outputFile, lines); if(regex_match(lines, vertex)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } getline(outputFile, lines); if(regex_match(lines, vertex)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } getline(outputFile, lines); if(regex_match(lines, vertex)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } //end loop getline(outputFile, lines); if(regex_match(lines, endLoop)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } //end facet getline(outputFile, lines); if(regex_match(lines, endfacet)) { cout << lines << endl; num++; } else { cout << "[line " << num << " format error] " << lines << endl; break; } } } else { cout << "[line " << num << " format error] " << lines << endl; } } outputFile.close(); } return 0; }

說明：
使用Regular Expression檢查ASCII STL檔案格式。