117 lines
2.3 KiB
C
117 lines
2.3 KiB
C
/*
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* html-stream.c: A CamelStream class that feeds data into a GtkHTML widget
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*
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* Author:
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* Miguel de Icaza (miguel@helixcode.com)
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*
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* (C) 2000 Helix Code, Inc.
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*/
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#include <config.h>
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#include "html-stream.h"
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#include "e-util/e-util.h"
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#define PARENT_TYPE camel_stream_get_type ()
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static GtkObjectClass *html_stream_parent_class;
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/*
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* CamelStream::read method
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*
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* Return 0 bytes read, as this is a write-only stream
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*/
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static gint
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html_stream_read (CamelStream *stream, gchar *buffer, gint n)
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{
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return 0;
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}
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/*
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* CamelStream::write method
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*
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* Writes @buffer into the HTML widget
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*/
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static gint
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html_stream_write (CamelStream *stream, const gchar *buffer, gint n)
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{
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HTMLStream *html_stream = HTML_STREAM (stream);
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gtk_html_write (html_stream->gtk_html, html_stream->gtk_html_stream, buffer, n);
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return n;
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}
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/*
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* CamelStream::available method
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*
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* Return 0, as this is only a write-stream
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*/
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static gint
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html_stream_available (CamelStream *stream)
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{
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return 0;
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}
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/*
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* CamelStream::eos method.
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*
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* We just return TRUE, as this is not a read-stream
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*/
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static gboolean
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html_stream_eos (CamelStream *stream)
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{
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return TRUE;
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}
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static void
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html_stream_close (CamelStream *stream)
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{
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HTMLStream *html_stream = HTML_STREAM (stream);
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gtk_html_end (html_stream->gtk_html, html_stream->gtk_html_stream, GTK_HTML_STREAM_OK);
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}
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static void
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html_stream_destroy (GtkObject *object)
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{
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}
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static void
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html_stream_class_init (GtkObjectClass *object_class)
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{
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CamelStreamClass *stream_class = (CamelStreamClass *) object_class;
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html_stream_parent_class = gtk_type_class (PARENT_TYPE);
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object_class->destroy = html_stream_destroy;
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stream_class->read = html_stream_read;
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stream_class->write = html_stream_write;
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stream_class->available = html_stream_available;
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stream_class->eos = html_stream_eos;
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stream_class->close = html_stream_close;
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}
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CamelStream *
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html_stream_new (GtkHTML *html)
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{
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HTMLStream *html_stream;
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g_return_val_if_fail (html != NULL, NULL);
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g_return_val_if_fail (GTK_IS_HTML (html), NULL);
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html_stream = gtk_type_new (html_stream_get_type ());
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gtk_object_ref (GTK_OBJECT (html));
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html_stream->gtk_html_stream = gtk_html_begin (html, NULL);
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gtk_html_parse (html);
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html_stream->gtk_html = html;
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return CAMEL_STREAM (html_stream);
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}
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E_MAKE_TYPE (html_stream, "HTMLStream", HTMLStream, html_stream_class_init, NULL, PARENT_TYPE);
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