Adding upstream version 1.23.0.upstream/1.23.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/src/devices/grohtml/html-table.h b/src/devices/grohtml/html-table.h
new file mode 100644
index 0000000..7ed27a9
--- /dev/null
+++ b/src/devices/grohtml/html-table.h
@@ -0,0 +1,133 @@
+// -*- C++ -*-
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
+ *
+ *  Gaius Mulley (gaius@glam.ac.uk) wrote html-table.h
+ *
+ *  html-table.h
+ *
+ *  provides the methods necessary to handle indentation and tab
+ *  positions using html tables.
+ */
+
+/*
+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 3 of the License, 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 this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#include "html.h"
+
+#if !defined(HTML_TABLE_H)
+#define HTML_TABLE_H
+
+typedef struct tab_position {
+  char alignment;
+  int  position;
+  struct tab_position *next;
+} tab_position;
+
+
+class tabs {
+public:
+         tabs         ();
+        ~tabs         ();
+  void  clear         (void);
+  int   compatible    (const char *s);
+  void  init          (const char *s);
+  void  check_init    (const char *s);
+  int   find_tab      (int pos);
+  int   get_tab_pos   (int n);
+  char  get_tab_align (int n);
+  void  dump_tabs     (void);
+
+private:
+  void  delete_list (void);
+  tab_position *tab;
+};
+
+/*
+ *  define a column
+ */
+
+typedef struct cols {
+  int          left, right;
+  int          no;
+  char         alignment;
+  struct cols *next;
+} cols;
+
+class html_table {
+public:
+      html_table          (simple_output *op, int linelen);
+     ~html_table          (void);
+  int   add_column        (int coln, int hstart, int hend, char align);
+  cols *get_column        (int coln);
+  int   insert_column     (int coln, int hstart, int hend, char align);
+  int   modify_column     (cols *c, int hstart, int hend, char align);
+  int   find_tab_column   (int pos);
+  int   find_column       (int pos);
+  int   get_tab_pos       (int n);
+  char  get_tab_align     (int n);
+  void  set_linelength    (int linelen);
+  int   no_columns        (void);
+  int   no_gaps           (void);
+  int   is_gap            (cols *c);
+  void  dump_table        (void);
+  void  emit_table_header (int space);
+  void  emit_col          (int n);
+  void  emit_new_row      (void);
+  void  emit_finish_table (void);
+  int   get_right         (cols *c);
+  void  add_indent        (int indent);
+  void  finish_row        (void);
+  int   get_effective_linelength (void);
+  void  set_space         (int space);
+  void  emit_colspan      (void);
+  void  emit_td           (int percentage, const char *s = ">");
+
+  tabs          *tab_stops;    /* tab stop positions */
+  simple_output *out;
+private:
+  cols          *columns;      /* column entries */
+  int            linelength;
+  cols          *last_col;     /* last column started */
+  int            start_space;  /* have we seen a '.sp' tag? */
+
+  void  remove_cols (cols *c);
+};
+
+/*
+ *  the indentation wrapper.
+ *  Builds an indentation from a html-table.
+ *  This table is only emitted if the paragraph is emitted.
+ */
+
+class html_indent {
+public:
+  html_indent  (simple_output *op, int ind, int pageoffset, int linelength);
+  ~html_indent (void);
+  void begin   (int space);   // called if we need to use the indent
+  void get_reg (int *ind, int *pageoffset, int *linelength);
+
+  // the indent is shutdown when it is deleted
+
+private:
+  void end    (void);
+  int         is_used;
+  int         pg;        // values of the registers as passed via initialization
+  int         ll;
+  int         in;
+  html_table *table;
+};
+
+#endif