src/src/Typeset/Format/line_item.cpp

   1
   2 /******************************************************************************
   3 * MODULE     : line_item.cpp
   4 * DESCRIPTION: Control routines for typesetting paragraphs
   5 * COPYRIGHT  : (C) 1999  Joris van der Hoeven
   6 *******************************************************************************
   7 * This software falls under the GNU general public license version 3 or later.
   8 * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
   9 * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
  10 ******************************************************************************/
  11
  12 #include "formatter.hpp"
  13 #include "Format/line_item.hpp"
  14
  15 /*****************************************************************************/
  16 // Routines for the line item class
  17 /*****************************************************************************/
  18
  19 line_item_rep::line_item_rep (int type2, box b2, int pen2):
  20   type (type2), b (b2), spc (0), penalty (pen2), limits (false)
  21     { TM_DEBUG(line_item_count++); }
  22 line_item_rep::line_item_rep (int type2, box b2, int pen2, language lan2):
  23   type (type2), b (b2), spc (0), penalty (pen2), limits (false),
  24   lan (lan2) { TM_DEBUG(line_item_count++); }
  25 line_item_rep::line_item_rep (int type2, box b2,
  26   int pen2, tree t2):
  27   type (type2), b (b2), spc (0), penalty (pen2), limits (false),
  28   t (t2) { TM_DEBUG(line_item_count++); }
  29 line_item_rep::~line_item_rep () {
  30   TM_DEBUG(line_item_count--); }
  31 line_item::line_item (int type, box b, int penalty):
  32   rep (tm_new<line_item_rep> (type, b, penalty)) {}
  33 line_item::line_item (int type, box b, int penalty, language lan):
  34   rep (tm_new<line_item_rep> (type, b, penalty, lan)) {}
  35 line_item::line_item (int type, box b, int penalty, tree t):
  36   rep (tm_new<line_item_rep> (type, b, penalty, t)) {}
  37 bool line_item::operator == (line_item item2) { return rep==item2.rep; }
  38 bool line_item::operator != (line_item item2) { return rep!=item2.rep; }
  39
  40 tm_ostream&
  41 operator << (tm_ostream& out, line_item item) {
  42   switch (item->type) {
  43   case OBSOLETE_ITEM: return out << "obsolete";
  44   case CONTROL_ITEM: return out << "control (" << item->t << ")";
  45   case STD_ITEM: return out << "std";
  46   case STRING_ITEM: return out << item->b->get_leaf_string ();
  47   case LEFT_BRACKET_ITEM:
  48     return out << "left" << item->b->get_leaf_string ();
  49   case MIDDLE_BRACKET_ITEM:
  50     return out << "middle" << item->b->get_leaf_string ();
  51   case RIGHT_BRACKET_ITEM:
  52     return out << "right" << item->b->get_leaf_string ();
  53   case FLOAT_ITEM:
  54     return out << "float (" << item->b->get_leaf_lazy () << ")";
  55   case LSUB_ITEM: return out << "lsub";
  56   case LSUP_ITEM: return out << "lsup";
  57   case RSUB_ITEM: return out << "rsub";
  58   case RSUP_ITEM: return out << "rsup";
  59   case GLUE_LEFT_ITEM: return out << "glue-left";
  60   case GLUE_RIGHT_ITEM: return out << "glue-right";
  61   case GLUE_BOTH_ITEM: return out << "glue-both";
  62   case GLUE_LSUBS_ITEM: return out << "glue-lsubs";
  63   case GLUE_RSUBS_ITEM: return out << "glue-rsubs";
  64   }
  65   return out << "unknown";
  66 }