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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <stdexcept>
  5.  
  6. std::vector<std::string> parseCppName(std::string line)
  7. {
  8.    std::vector<std::string> retVal;
  9.    int level = 0;
  10.    char closeChars[256];
  11.  
  12.    size_t startPart = 0;
  13.    for (size_t i = 0; i < line.length(); ++i)
  14.    {
  15.       if (line[i] == ':' && level == 0)
  16.       {
  17.           if (i + 1 >= line.length() || line[i + 1] != ':')
  18.              throw std::runtime_error("missing :");
  19.           retVal.push_back(line.substr(startPart, i - startPart));
  20.           startPart = ++i + 1;
  21.       }
  22.       else if (line[i] == '(') {
  23.          closeChars[level++] = ')';
  24.       } 
  25.       else if (line[i] == '<') {
  26.          closeChars[level++] = '>';
  27.       } 
  28.       else if (level > 0 && line[i] == closeChars[level - 1]) {
  29.          --level;
  30.       }
  31.       else if (line[i] == '>' || line[i] == ')') {
  32.          throw std::runtime_error("Extra )>");
  33.       }
  34.    }
  35.    if (level > 0)
  36.        throw std::runtime_error("Missing )>");
  37.    retVal.push_back(line.substr(startPart));
  38.    return retVal;
  39. }
  40.  
  41. int main() {
  42.    std::string line;
  43.    while (std::getline(std::cin, line)) {
  44.       try {
  45.         std::vector<std::string> parts = parseCppName(line);
  46.         for (size_t i = 0; i + 2 < parts.size(); ++i) 
  47.           std::cout << parts[i] << "@";
  48.         if (parts.size() > 1)
  49.           std::cout << parts[parts.size() - 2] << "@@";
  50.         std::cout << parts[parts.size() - 1] << "\n";
  51.      } catch (std::runtime_error& ex) {
  52.           std::cout << "Error: " << ex.what() << "\nfor: " << line << "\n";
  53.      }
  54.    }
  55. } 
  56.  
Success #stdin #stdout 0s 3068KB
comments (?)
stdin 
Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > >::A()
Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > >::bar(Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > > const&)
Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > >::foo(std::vector<int, std::allocator<int> > const&)
Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > >::~A()
stdout 
Ns1@Ns2@A<int, std::vector<int, std::allocator<int> > >@@A()
Ns1@Ns2@A<int, std::vector<int, std::allocator<int> > >@@bar(Ns1::Ns2::A<int, std::vector<int, std::allocator<int> > > const&)
Ns1@Ns2@A<int, std::vector<int, std::allocator<int> > >@@foo(std::vector<int, std::allocator<int> > const&)
Ns1@Ns2@A<int, std::vector<int, std::allocator<int> > >@@~A()
https://ideone.com/WlqSw
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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