fieldsplit.hpp

   1 #ifndef _fieldsplit_hpp__included__
   2 #define _fieldsplit_hpp__included__
   3
   4 #include <string>
   5 #include <stdexcept>
   6
   7 /**
   8  * \brief Class for splitting string to fields.
   9  *
  10  * Splits string to fields on |
  11  */
  12 class fieldsplitter
  13 {
  14 public:
  15 /**
  16  * \brief Create new string splitter
  17  *
  18  * Creates a new string splitter to split specified string.
  19  * \param _line The line to split.
  20  * \throws std::bad_alloc Out of memory.
  21  */
  22         fieldsplitter(const std::string& _line) throw(std::bad_alloc);
  23 /**
  24  * \brief More fields coming
  25  *
  26  * Checks if more fields are coming.
  27  *
  28  * \return True if more fields are coming, otherwise false.
  29  */
  30         operator bool() throw();
  31
  32 /**
  33  * \brief Read next field
  34  *
  35  * Reads the next field and returns it. If field doesn't exist, it reads as empty string.
  36  *
  37  * \return The read field.
  38  * \throws std::bad_alloc
  39  */
  40         operator std::string() throw(std::bad_alloc);
  41 private:
  42         std::string line;
  43         size_t position;
  44 };
  45
  46 /**
  47  * \brief Class for splitting string to fields.
  48  *
  49  * Splits string to fields on ' ' and '\t', with multiple whitespace collapsed into one.
  50  */
  51 class tokensplitter
  52 {
  53 public:
  54         tokensplitter(const std::string& _line) throw(std::bad_alloc);
  55         operator bool() throw();
  56         operator std::string() throw(std::bad_alloc);
  57         std::string tail() throw(std::bad_alloc);
  58 private:
  59         std::string line;
  60         size_t position;
  61 };
  62
  63 #endif