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Diffstat (limited to 'src/devices/grohtml/html-table.h')
| -rw-r--r-- | src/devices/grohtml/html-table.h | 133 |
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 |