lisp::ListIterator Class Reference

Small and a bit hacky helper class that helps parsing lisp lists where all entries are lists again themselves. More...

#include <list_iterator.hpp>

List of all members.

Public Member Functions
	ListIterator (const lisp::Lisp *cur)
const std::string &	item () const
const lisp::Lisp *	lisp () const
const lisp::Lisp *	value () const
bool	next ()
Private Member Functions
	ListIterator (const ListIterator &)
ListIterator &	operator= (const ListIterator &)
Private Attributes
std::string	current_item
const lisp::Lisp *	current_lisp
const lisp::Lisp *	cur

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Detailed Description

Small and a bit hacky helper class that helps parsing lisp lists where all entries are lists again themselves.

Definition at line 28 of file list_iterator.hpp.

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Constructor & Destructor Documentation

lisp::ListIterator::ListIterator

(

const lisp::Lisp *

cur

)

Definition at line 22 of file list_iterator.cpp.

                                                  :
  current_item(),
  current_lisp(0), 
  cur(newlisp)
{
}

lisp::ListIterator::ListIterator

(

const ListIterator &

)

[private]

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Member Function Documentation

const std::string& lisp::ListIterator::item

(

)

const [inline]

Definition at line 33 of file list_iterator.hpp.

References current_item.

Referenced by BonusBlock::BonusBlock(), AddonManager::check_online(), worldmap::WorldMap::load(), Level::load(), TileSetParser::parse(), Sector::parse(), Sector::parse_old_format(), TileManager::parse_tileset_definition(), Path::read(), JoystickKeyboardController::read(), SpawnPoint::SpawnPoint(), and SpriteData::SpriteData().

  { return current_item; }

const lisp::Lisp* lisp::ListIterator::lisp

(

)

const [inline]

Definition at line 35 of file list_iterator.hpp.

References current_lisp.

Referenced by BonusBlock::BonusBlock(), AddonManager::check_online(), worldmap::WorldMap::load(), Level::load(), TileSetParser::parse(), Sector::parse(), Sector::parse_old_format(), TileManager::parse_tileset_definition(), Path::read(), JoystickKeyboardController::read(), and SpriteData::SpriteData().

  { return current_lisp; }

const lisp::Lisp* lisp::ListIterator::value

(

)

const [inline]

Definition at line 37 of file list_iterator.hpp.

References current_lisp, and lisp::Lisp::get_car().

Referenced by BonusBlock::BonusBlock(), worldmap::WorldMap::load(), Level::load(), Sector::parse(), Path::read(), SpawnPoint::SpawnPoint(), and SpriteData::SpriteData().

  { return current_lisp->get_car(); }

bool lisp::ListIterator::next

(

)

Definition at line 30 of file list_iterator.cpp.

References cur, current_item, current_lisp, lisp::Lisp::get(), lisp::Lisp::get_car(), lisp::Lisp::get_cdr(), lisp::Lisp::get_type(), lisp::Lisp::TYPE_CONS, lisp::Lisp::TYPE_STRING, and lisp::Lisp::TYPE_SYMBOL.

Referenced by BonusBlock::BonusBlock(), AddonManager::check_online(), worldmap::WorldMap::load(), Level::load(), TileSetParser::parse(), Sector::parse(), Sector::parse_old_format(), TileManager::parse_tileset_definition(), Path::read(), JoystickKeyboardController::read(), SpawnPoint::SpawnPoint(), and SpriteData::SpriteData().

{
  if(cur == 0)
    return false;

  const lisp::Lisp* child = cur->get_car();
  if(!child)
    throw std::runtime_error("child is 0 in list entry");
  if(child->get_type() != lisp::Lisp::TYPE_CONS)
    throw std::runtime_error("Expected CONS");
  const lisp::Lisp* name = child->get_car();
  if(!name || (
       name->get_type() != lisp::Lisp::TYPE_SYMBOL
       && name->get_type() != lisp::Lisp::TYPE_STRING))
    throw std::runtime_error("Expected symbol");
  name->get(current_item);
  current_lisp = child->get_cdr();

  cur = cur->get_cdr();
  return true;
}

ListIterator& lisp::ListIterator::operator=

(

const ListIterator &

)

[private]

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Member Data Documentation

std::string lisp::ListIterator::current_item [private]

Definition at line 42 of file list_iterator.hpp.

Referenced by item(), and next().

const lisp::Lisp* lisp::ListIterator::current_lisp [private]

Definition at line 43 of file list_iterator.hpp.

Referenced by lisp(), next(), and value().

const lisp::Lisp* lisp::ListIterator::cur [private]

Definition at line 44 of file list_iterator.hpp.

Referenced by next().

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The documentation for this class was generated from the following files:

• src/lisp/list_iterator.hpp
• src/lisp/list_iterator.cpp

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