1 /* $NetBSD: html-table.h,v 1.1.1.1 2016/01/13 18:41:49 christos Exp $ */ 2 3 // -*- C++ -*- 4 /* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. 5 * 6 * Gaius Mulley (gaius@glam.ac.uk) wrote html-table.h 7 * 8 * html-table.h 9 * 10 * provides the methods necessary to handle indentation and tab 11 * positions using html tables. 12 */ 13 14 /* 15 This file is part of groff. 16 17 groff is free software; you can redistribute it and/or modify it under 18 the terms of the GNU General Public License as published by the Free 19 Software Foundation; either version 2, or (at your option) any later 20 version. 21 22 groff is distributed in the hope that it will be useful, but WITHOUT ANY 23 WARRANTY; without even the implied warranty of MERCHANTABILITY or 24 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25 for more details. 26 27 You should have received a copy of the GNU General Public License along 28 with groff; see the file COPYING. If not, write to the Free Software 29 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 30 31 #include "html.h" 32 33 #if !defined(HTML_TABLE_H) 34 #define HTML_TABLE_H 35 36 typedef struct tab_position { 37 char alignment; 38 int position; 39 struct tab_position *next; 40 } tab_position; 41 42 43 class tabs { 44 public: 45 tabs (); 46 ~tabs (); 47 void clear (void); 48 int compatible (const char *s); 49 void init (const char *s); 50 void check_init (const char *s); 51 int find_tab (int pos); 52 int get_tab_pos (int n); 53 char get_tab_align (int n); 54 void dump_tabs (void); 55 56 private: 57 void delete_list (void); 58 tab_position *tab; 59 }; 60 61 /* 62 * define a column 63 */ 64 65 typedef struct cols { 66 int left, right; 67 int no; 68 char alignment; 69 struct cols *next; 70 } cols; 71 72 class html_table { 73 public: 74 html_table (simple_output *op, int linelen); 75 ~html_table (void); 76 int add_column (int coln, int hstart, int hend, char align); 77 cols *get_column (int coln); 78 int insert_column (int coln, int hstart, int hend, char align); 79 int modify_column (cols *c, int hstart, int hend, char align); 80 int find_tab_column (int pos); 81 int find_column (int pos); 82 int get_tab_pos (int n); 83 char get_tab_align (int n); 84 void set_linelength (int linelen); 85 int no_columns (void); 86 int no_gaps (void); 87 int is_gap (cols *c); 88 void dump_table (void); 89 void emit_table_header (int space); 90 void emit_col (int n); 91 void emit_new_row (void); 92 void emit_finish_table (void); 93 int get_right (cols *c); 94 void add_indent (int indent); 95 void finish_row (void); 96 int get_effective_linelength (void); 97 void set_space (int space); 98 99 tabs *tab_stops; /* tab stop positions */ 100 simple_output *out; 101 private: 102 cols *columns; /* column entries */ 103 int linelength; 104 cols *last_col; /* last column started */ 105 int start_space; /* have we seen a `.sp' tag? */ 106 107 void remove_cols (cols *c); 108 }; 109 110 /* 111 * the indentation wrapper. 112 * Builds an indentation from a html-table. 113 * This table is only emitted if the paragraph is emitted. 114 */ 115 116 class html_indent { 117 public: 118 html_indent (simple_output *op, int ind, int pageoffset, int linelength); 119 ~html_indent (void); 120 void begin (int space); // called if we need to use the indent 121 void get_reg (int *ind, int *pageoffset, int *linelength); 122 123 // the indent is shutdown when it is deleted 124 125 private: 126 void end (void); 127 int is_used; 128 int pg; // values of the registers as passed via initialization 129 int ll; 130 int in; 131 html_table *table; 132 }; 133 134 #endif 135