--- /dev/null
+/* Output stream for CSS styled text, producing HTML output.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 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 2, 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, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
+
+/* Specification. */
+#include "html-styled-ostream.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "html-ostream.h"
+
+#include "binary-io.h"
+#ifndef O_TEXT
+# define O_TEXT 0
+#endif
+
+#include "error.h"
+#include "safe-read.h"
+#include "exit.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)
+{
+ html_ostream_flush (stream->html_destination);
+}
+
+static void
+html_styled_ostream::free (html_styled_ostream_t stream)
+{
+ html_ostream_free (stream->html_destination);
+ ostream_write_str (stream->destination, "</body>\n");
+ ostream_write_str (stream->destination, "</html>\n");
+}
+
+/* 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);
+}
+
+/* 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, "<?xml version=\"1.0\"?>\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 <br/> or <p></p>,
+ - every attribute specification is in assignment form, like
+ <table border="1">,
+ - every <a name="..."> element also has an 'id' attribute,
+ - special characters like < > & " are escaped in the <style> and
+ <script> elements. */
+ ostream_write_str (stream->destination,
+ "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
+ ostream_write_str (stream->destination, "<html>\n");
+ ostream_write_str (stream->destination, "<head>\n");
+ if (css_filename != NULL)
+ {
+ ostream_write_str (stream->destination, "<style type=\"text/css\">\n"
+ "<!--\n");
+
+ /* Include the contents of CSS_FILENAME literally. */
+ {
+ int fd;
+ char buf[4096];
+
+ fd = open (css_filename, O_RDONLY | O_TEXT);
+ if (fd < 0)
+ error (EXIT_FAILURE, errno,
+ _("error while opening \"%s\" for reading"),
+ css_filename);
+
+ for (;;)
+ {
+ size_t n_read = safe_read (fd, buf, sizeof (buf));
+ if (n_read == SAFE_READ_ERROR)
+ error (EXIT_FAILURE, errno, _("error reading \"%s\""),
+ css_filename);
+ if (n_read == 0)
+ break;
+
+ ostream_write_mem (stream->destination, buf, n_read);
+ }
+
+ if (close (fd) < 0)
+ error (EXIT_FAILURE, errno, _("error after reading \"%s\""),
+ css_filename);
+ }
+
+ ostream_write_str (stream->destination, "-->\n"
+ "</style>\n");
+ }
+ ostream_write_str (stream->destination, "</head>\n");
+ ostream_write_str (stream->destination, "<body>\n");
+
+ return stream;
+}
--- /dev/null
+/* Output stream for CSS styled text, producing HTML output.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 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 2, 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, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _HTML_STYLED_OSTREAM_H
+#define _HTML_STYLED_OSTREAM_H
+
+#include "styled-ostream.h"
+
+
+struct html_styled_ostream : struct styled_ostream
+{
+methods:
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Create an output stream that takes input in the UTF-8 encoding and
+ writes it in HTML form on DESTINATION, styled with the file CSS_FILENAME.
+ Note that the resulting stream must be closed before DESTINATION can be
+ closed. */
+extern html_styled_ostream_t
+ html_styled_ostream_create (ostream_t destination,
+ const char *css_filename);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HTML_STYLED_OSTREAM_H */
projects / thirdparty / gettext.git / commitdiff
