1 files changed, 171 insertions, 0 deletions
diff --git a/contrib/groff/src/roff/troff/charinfo.h b/contrib/groff/src/roff/troff/charinfo.h
new file mode 100644
index 0000000..a4ecd57
--- /dev/null
+++ b/contrib/groff/src/roff/troff/charinfo.h
@@ -0,0 +1,171 @@
+// -*- C++ -*-
+/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+     Written by James Clark (jjc@jclark.com)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License along
+with groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+class macro;
+
+class charinfo {
+  static int next_index;
+  charinfo *translation;
+  int index;
+  int number;
+  macro *mac;
+  unsigned char special_translation;
+  unsigned char hyphenation_code;
+  unsigned char flags;
+  unsigned char ascii_code;
+  char not_found;
+  char transparent_translate;	// non-zero means translation applies to
+				// to transparent throughput
+public:
+  enum { 
+    ENDS_SENTENCE = 1,
+    BREAK_BEFORE = 2,
+    BREAK_AFTER = 4,
+    OVERLAPS_HORIZONTALLY = 8,
+    OVERLAPS_VERTICALLY = 16,
+    TRANSPARENT = 32,
+    NUMBERED = 64
+    };
+  enum {
+    TRANSLATE_NONE,
+    TRANSLATE_SPACE,
+    TRANSLATE_DUMMY,
+    TRANSLATE_STRETCHABLE_SPACE,
+    TRANSLATE_HYPHEN_INDICATOR
+  };
+  symbol nm;
+  charinfo(symbol s);
+  int get_index();
+  int ends_sentence();
+  int overlaps_vertically();
+  int overlaps_horizontally();
+  int can_break_before();
+  int can_break_after();
+  int transparent();
+  unsigned char get_hyphenation_code();
+  unsigned char get_ascii_code();
+  void set_hyphenation_code(unsigned char);
+  void set_ascii_code(unsigned char);
+  charinfo *get_translation(int = 0);
+  void set_translation(charinfo *, int);
+  void set_flags(unsigned char);
+  void set_special_translation(int, int);
+  int get_special_translation(int = 0);
+  macro *set_macro(macro *);
+  macro *get_macro();
+  int first_time_not_found();
+  void set_number(int);
+  int get_number();
+  int numbered();
+  symbol *get_symbol();
+};
+
+charinfo *get_charinfo(symbol);
+extern charinfo *charset_table[];
+charinfo *get_charinfo_by_number(int);
+
+inline int charinfo::overlaps_horizontally()
+{
+  return flags & OVERLAPS_HORIZONTALLY;
+}
+
+inline int charinfo::overlaps_vertically()
+{
+  return flags & OVERLAPS_VERTICALLY;
+}
+
+inline int charinfo::can_break_before()
+{
+  return flags & BREAK_BEFORE;
+}
+
+inline int charinfo::can_break_after()
+{
+  return flags & BREAK_AFTER;
+}
+
+inline int charinfo::ends_sentence()
+{
+  return flags & ENDS_SENTENCE;
+}
+
+inline int charinfo::transparent()
+{
+  return flags & TRANSPARENT;
+}
+
+inline int charinfo::numbered()
+{
+  return flags & NUMBERED;
+}
+
+inline charinfo *charinfo::get_translation(int transparent_throughput)
+{
+  return (transparent_throughput && !transparent_translate
+	  ? 0
+	  : translation);
+}
+
+inline unsigned char charinfo::get_hyphenation_code()
+{
+  return hyphenation_code;
+}
+
+inline unsigned char charinfo::get_ascii_code()
+{
+  return ascii_code;
+}
+
+inline void charinfo::set_flags(unsigned char c)
+{
+  flags = c;
+}
+
+inline int charinfo::get_index()
+{
+  return index;
+}
+
+inline int charinfo::get_special_translation(int transparent_throughput)
+{
+  return (transparent_throughput && !transparent_translate
+	  ? int(TRANSLATE_NONE)
+	  : special_translation);
+}
+
+inline macro *charinfo::get_macro()
+{
+  return mac;
+}
+
+inline int charinfo::first_time_not_found()
+{
+  if (not_found)
+    return 0;
+  else {
+    not_found = 1;
+    return 1;
+  }
+}
+
+inline symbol *charinfo::get_symbol()
+{
+  return( &nm );
+}