New files. You'll be able to use a CamelFormatter to get html-formatted

	* camel/camel-formatter.c, camel/camel-formatter.h: New
	files. You'll be able to use a CamelFormatter to get
	html-formatted versions of a CamelMimeMessage.

svn path=/trunk/; revision=1600

4 files changed, 270 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 027d2f34bc..5a85df5b69 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2000-01-20  Matt Loper  <matt.loper@splashtech.com>
+
+	* camel/camel-formatter.c, camel/camel-formatter.h: New
+	files. You'll be able to use a CamelFormatter to get
+	html-formatted versions of a CamelMimeMessage.
+	
 2000-01-20  Christopher James Lahey  <clahey@helixcode.com>
 
 	* widgets/e-text-event-processor-types.h: Changed some line
diff --git a/camel/Makefile.am b/camel/Makefile.am
index 2fae06080d..9e46826c64 100644
--- a/camel/Makefile.am
+++ b/camel/Makefile.am
@@ -41,6 +41,7 @@ libcamel_la_SOURCES = 				\
 	camel-folder.c				\
 	camel-folder-summary.c			\
 	camel-folder-utils.c			\
+	camel-formatter.c			\
 	camel-medium.c				\
 	camel-marshal-utils.c			\
 	camel-mime-body-part.c			\
@@ -80,6 +81,7 @@ libcamelinclude_HEADERS =			\
 	camel-folder.h				\
 	camel-folder-summary.h			\
 	camel-folder-utils.h			\
+	camel-formatter.h			\
 	camel-mime-body-part.h			\
 	camel-marshal-utils.h			\
 	camel-medium.h				\
diff --git a/camel/camel-formatter.c b/camel/camel-formatter.c
new file mode 100644
index 0000000000..a7d72e0b04
--- /dev/null
+++ b/camel/camel-formatter.c
@@ -0,0 +1,199 @@
+
+/*--------------------------------*-C-*---------------------------------*
+ *
+ * Author :
+ *  Matt Loper <matt@helixcode.com>
+ *
+ *  Copyright 2000, Helix Code, Inc. (http://www.helixcode.com) .
+ *
+ *  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 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ *
+ *
+ *----------------------------------------------------------------------*/
+
+#include <config.h>
+#include "camel-formatter.h"
+
+static GtkObjectClass *parent_class=NULL;
+static void _finalize (GtkObject *object);
+
+struct _CamelFormatterPrivate {
+	CamelMimeMessage *msg;
+};
+
+static void
+write_field_to_stream (gchar* description, gchar* value, CamelStream *stream)
+{
+	gchar *s;
+	g_assert (description && value);
+	
+	s = g_strdup_printf ("<b>%s: %s</b><br>\n",
+			     description, value);
+	camel_stream_write_string (stream, s);
+	g_free (s);
+}
+
+static void
+write_recipients_to_stream (const gchar *recipient_type,
+			    GList *recipients,
+			    CamelStream* stream_out)
+{
+	gchar *s;
+	g_assert (recipient_type && stream_out);
+	
+	s = g_strdup_printf ("<b>%s: <br>\n", recipient_type);
+	camel_stream_write_string (stream_out, s);
+	g_free (s);
+
+ 	while (recipients) {
+		camel_stream_write_string (stream_out, recipients->data);
+		recipients = recipients->next;
+		if (recipients)
+			camel_stream_write_string (stream_out, "; ");
+	}
+	camel_stream_write_string (stream_out, "</b><br>\n");	
+}
+
+void
+set_mime_message (CamelFormatter* cfm, CamelMimeMessage* msg)
+{
+	g_assert(cfm && msg);
+	cfm->priv->msg = msg;
+}
+
+
+
+/**
+ * camel_formatter_to_html: write data content in a byte stream
+ * @data_wrapper: the camel formatter object
+ * @stream_out byte stream where data will be written 
+ * 
+ * This method must be overriden by subclasses
+ * Data must be written in the bytes stream
+ * in a architecture independant fashion. 
+ * If data is a standard data (for example an jpg image)
+ * it must be serialized in the strea exactly as it 
+ * would be saved on disk. A simple dump of the stream in
+ * a file should be sufficient for the data to be 
+ * re-read by a foreign application.  
+ * 
+ **/
+void
+camel_formatter_make_html (CamelFormatter *mhs,
+			   CamelStream* stream_out)
+{
+	gchar *s = NULL;
+	GList *recipients = NULL;
+	CamelMimeMessage *mime_message;
+
+	g_assert (mhs && stream_out);
+	g_assert (mhs->priv->msg);
+
+	mime_message = mhs->priv->msg;
+	
+	camel_stream_write_string (stream_out, "Content type: text/html\n");
+
+	if ((s = (gchar*)camel_mime_message_get_subject (mime_message))) {
+		write_field_to_stream ("Subject: ", s, stream_out);
+	}
+
+	if ((s = (gchar*)camel_mime_message_get_from (mime_message))) {
+		write_field_to_stream ("From: ", s, stream_out);
+	}
+
+	if ((s = (gchar*)camel_mime_message_get_received_date (mime_message))) {
+		write_field_to_stream ("Received Date: ", s, stream_out);
+	}
+
+	if ((s = (gchar*)camel_mime_message_get_sent_date (mime_message))) {
+		write_field_to_stream ("Sent Date: ", s, stream_out);
+	}		
+
+	/* Fill out the "To:" recipients line */
+	recipients = camel_mime_message_get_recipients (
+		mime_message, CAMEL_RECIPIENT_TYPE_TO);
+	if (recipients)
+		write_recipients_to_stream ("To:", recipients, stream_out);
+
+	/* Fill out the "CC:" recipients line */
+	recipients = camel_mime_message_get_recipients (
+		mime_message, CAMEL_RECIPIENT_TYPE_CC);
+	if (recipients)
+		write_recipients_to_stream ("CC:", recipients, stream_out);	
+	/* Fill out the "BCC:" recipients line */
+	recipients = camel_mime_message_get_recipients (
+		mime_message, CAMEL_RECIPIENT_TYPE_BCC);	
+	if (recipients)
+		write_recipients_to_stream ("BCC:", recipients, stream_out);
+}
+
+static void
+camel_formatter_class_init (CamelFormatterClass *camel_formatter_class)
+{
+	GtkObjectClass *gtk_object_class =
+		GTK_OBJECT_CLASS (camel_formatter_class);
+
+	parent_class = gtk_type_class (gtk_object_get_type ());
+	
+	/* virtual method overload */
+	gtk_object_class->finalize = _finalize;
+}
+
+static void
+camel_formatter_init (gpointer object, gpointer klass) 
+{
+	CamelFormatter* cmf = CAMEL_FORMATTER (object);
+	cmf->priv->msg = NULL;
+}
+
+
+GtkType
+camel_formatter_get_type (void)
+{
+	static GtkType camel_formatter_type = 0;
+	
+	if (!camel_formatter_type)	{
+		GtkTypeInfo camel_formatter_info =	
+		{
+			"CamelFormatter",
+			sizeof (CamelFormatter),
+			sizeof (CamelFormatterClass),
+			(GtkClassInitFunc) camel_formatter_class_init,
+			(GtkObjectInitFunc) camel_formatter_init,
+				/* reserved_1 */ NULL,
+				/* reserved_2 */ NULL,
+			(GtkClassInitFunc) NULL,
+		};
+		
+		camel_formatter_type = gtk_type_unique (
+			gtk_object_get_type (),
+			&camel_formatter_info);
+	}
+	
+	return camel_formatter_type;
+}
+
+
+static void           
+_finalize (GtkObject *object)
+{
+	CamelFormatter *mhs = CAMEL_FORMATTER (object);
+
+	g_free (mhs->priv);
+	
+	GTK_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
diff --git a/camel/camel-formatter.h b/camel/camel-formatter.h
new file mode 100644
index 0000000000..d2ed5bd12c
--- /dev/null
+++ b/camel/camel-formatter.h
@@ -0,0 +1,63 @@
+/*--------------------------------*-C-*---------------------------------*
+ *
+ * Author :
+ *  Matt Loper <matt@helixcode.com>
+ *
+ *  Copyright 2000, Helix Code, Inc. (http://www.helixcode.com) .
+ *
+ *  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 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ *
+ *
+ *----------------------------------------------------------------------*/
+
+#ifndef CAMEL_FORMATTER_H
+#define CAMEL_FORMATTER_H
+
+#include <gtk/gtk.h>
+#include "camel-mime-message.h"
+
+#define CAMEL_FORMATTER_TYPE     (camel_formatter_get_type ())
+#define CAMEL_FORMATTER(obj)     (GTK_CHECK_CAST((obj), CAMEL_FORMATTER_TYPE, CamelDataWrapper))
+#define CAMEL_FORMATTER_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), CAMEL_FORMATTER_TYPE, CamelDataWrapperClass))
+#define CAMEL_IS_CAMEL_FORMATTER(o)    (GTK_CHECK_TYPE((o), CAMEL_FORMATTER_TYPE))
+
+typedef struct _CamelFormatterPrivate CamelFormatterPrivate;
+
+typedef struct 
+{
+	GtkObject parent_object;
+	CamelFormatterPrivate *priv;
+} CamelFormatter;
+
+typedef struct {
+	GtkObjectClass parent_class;
+} CamelFormatterClass;
+
+
+/* Standard Gtk function */
+GtkType  camel_formatter_get_type (void);
+
+/* Public functions */
+CamelFormatter* camel_formatter_new (CamelMimeMessage* msg);
+
+void set_mime_message (CamelFormatter* cfm, CamelMimeMessage* msg);
+
+/* The main job of CamelFormatter is to take a mime message, and
+   produce html from it. */
+void     camel_formatter_make_html (CamelFormatter* cmf,
+				    CamelStream* stream_out);
+
+#endif // CAMEL_FORMATTER_H
+