/* Output stream for CSS styled text, producing HTML output. Copyright (C) 2006-2007, 2019 Free Software Foundation, Inc. Written by Bruno Haible , 2006. This program 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. This program 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 . */ #include /* Specification. */ #include "html-styled-ostream.h" #include #include #include #include #include "html-ostream.h" #include "binary-io.h" #ifndef O_TEXT # define O_TEXT 0 #endif #include "error.h" #include "safe-read.h" #include "xalloc.h" #include "gettext.h" #define _(str) gettext (str) struct html_styled_ostream : struct styled_ostream { fields: /* The destination stream. */ ostream_t destination; /* A HTML aware wrapper around the destination stream. */ html_ostream_t html_destination; }; /* Implementation of ostream_t methods. */ static void html_styled_ostream::write_mem (html_styled_ostream_t stream, const void *data, size_t len) { html_ostream_write_mem (stream->html_destination, data, len); } static void html_styled_ostream::flush (html_styled_ostream_t stream, ostream_flush_scope_t scope) { html_ostream_flush (stream->html_destination, scope); } static void html_styled_ostream::free (html_styled_ostream_t stream) { html_ostream_free (stream->html_destination); ostream_write_str (stream->destination, "\n"); ostream_write_str (stream->destination, "\n"); free (stream); } /* Implementation of styled_ostream_t methods. */ static void html_styled_ostream::begin_use_class (html_styled_ostream_t stream, const char *classname) { html_ostream_begin_span (stream->html_destination, classname); } static void html_styled_ostream::end_use_class (html_styled_ostream_t stream, const char *classname) { html_ostream_end_span (stream->html_destination, classname); } static void html_styled_ostream::flush_to_current_style (html_styled_ostream_t stream) { html_ostream_flush_to_current_style (stream->html_destination); } /* Constructor. */ html_styled_ostream_t html_styled_ostream_create (ostream_t destination, const char *css_filename) { html_styled_ostream_t stream = XMALLOC (struct html_styled_ostream_representation); stream->base.base.vtable = &html_styled_ostream_vtable; stream->destination = destination; stream->html_destination = html_ostream_create (destination); ostream_write_str (stream->destination, "\n"); /* HTML 4.01 or XHTML 1.0? Use HTML 4.01. This is conservative. Before switching to XHTML 1.0, verify that in the output - all HTML element names are in lowercase, - all empty elements are denoted like
or

, - every attribute specification is in assignment form, like , - every element also has an 'id' attribute, - special characters like < > & " are escaped in the \n"); } ostream_write_str (stream->destination, "\n"); ostream_write_str (stream->destination, "\n"); return stream; }