src/xpath.h

См. документацию.

//
// C++ Interface: xpath
//
// Description: 
//
//
// Author: yessss <gennadiyesss@mail.ru>, (C) 2007
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef XPATH_H
#define XPATH_H

#include <string>
#include <list>

typedef enum {
     XP_ELEMENT,
     XP_ATTR
} XPType;

class XPathEntry {
public:
     XPType type;
     std::string text;
     XPathEntry(std::string c, XPType tp = XP_ELEMENT): type(tp), text(c) {
     }
};

class XPath: public std::list<XPathEntry> {
public:
     inline static bool is_valid_path(const char* path) {
          return true;
     }
     XPath(const char* path) {
          const char* it = path;
          const char* it1 = path;
          is_valid_path(path);
          for(; *it != 0;it++) {
               if(*it == '/') {
                    if(*it1 == '/')
                         it1 = it + 1;
                    else {
                         push_back(std::string(it1, (int)(it - it1)));
                         it1 = it + 1;
                    }
               }
          }
          for(const char* i = it1; i != it; i++)
               if(*i == '@') {
                    push_back(std::string(it1, (int)(i - it1)));
                    it1 = i;
               }
          if(*it1 == '@') {
               it1++;
               XPathEntry pat(std::string(it1, (int)(it - it1)), XP_ATTR);
               push_back(pat);
          } else
               push_back(std::string(it1, (int)(it - it1)));

          iterator i = begin();
          iterator ie = end();

          for(;i != ie;) {
               if(i->text == ".")
                    i = erase(i);
/*             else if(i->text == "..") {
                    iterator t = i;
                    if(t != begin()) {
                         t--;
                         erase(t);
                    }
                         i = erase(i);
               }*/ else if(i->text.empty())
                    i = erase(i);
               else
                    i++;
          }
          i = begin();
     }
};

#endif

---