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Diffstat (limited to 'contrib/groff/src/devices/grohtml/html-text.h')
| -rw-r--r-- | contrib/groff/src/devices/grohtml/html-text.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/contrib/groff/src/devices/grohtml/html-text.h b/contrib/groff/src/devices/grohtml/html-text.h new file mode 100644 index 000000000000..c8ab2ac57ccf --- /dev/null +++ b/contrib/groff/src/devices/grohtml/html-text.h @@ -0,0 +1,109 @@ +// -*- C++ -*- +/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. + * + * Gaius Mulley (gaius@glam.ac.uk) wrote html-text.cc + * + * html-text.h + * + * provides a state machine interface which generates html text. + */ + +/* +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. */ + +#include "html.h" + +/* + * html tags + */ + +typedef enum {I_TAG, B_TAG, P_TAG, SUB_TAG, SUP_TAG, TT_TAG, + PRE_TAG, SMALL_TAG, BIG_TAG, BREAK_TAG, TABLE_TAG} HTML_TAG; + +typedef struct tag_definition { + HTML_TAG type; + char *arg1; + int text_emitted; + tag_definition *next; +} tag_definition ; + +/* + * the state of the current paragraph. + * It allows post-html.cc to request font changes, paragraph start/end + * and emits balanced tags with a small amount of peephole optimization. + */ + +class html_text { +public: + html_text (simple_output *op); + ~html_text (void); + void flush_text (void); + void do_emittext (char *s, int length); + void do_italic (void); + void do_bold (void); + void do_roman (void); + void do_tt (void); + void do_pre (void); + void do_small (void); + void do_big (void); + void do_para (char *arg1); + void do_sup (void); + void do_sub (void); + void do_space (void); + void do_break (void); + void do_newline (void); + void do_table (char *arg); + void done_bold (void); + void done_italic (void); + char *done_para (void); + void done_sup (void); + void done_sub (void); + void done_tt (void); + void done_pre (void); + void done_small (void); + void done_big (void); + void do_indent (char *arg, int indent, int pageoff, int linelen); + int emitted_text (void); + int emit_space (void); + int is_in_pre (void); + void remove_tag (HTML_TAG tag); + void remove_sub_sup (void); + void done_table (void); + int is_in_table (void); + +private: + tag_definition *stackptr; /* the current paragraph state */ + tag_definition *lastptr; /* the end of the stack */ + simple_output *out; + int space_emitted; + int current_indentation; /* current .in value */ + int pageoffset; /* .po value */ + int linelength; /* current line length */ + + int is_present (HTML_TAG t); + void end_tag (tag_definition *t); + void start_tag (tag_definition *t); + void push_para (HTML_TAG t, char *arg); + char *shutdown (HTML_TAG t); + void check_emit_text (tag_definition *t); + int remove_break (void); + void issue_tag (char *tagname, char *arg); + void issue_table_begin (tag_definition *t); + void issue_table_end (void); + int table_is_void (tag_definition *t); + void remove_def (tag_definition *t); +}; |