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authorMatthew Loper <mloper@src.gnome.org>2000-02-02 13:27:27 +0800
committerMatthew Loper <mloper@src.gnome.org>2000-02-02 13:27:27 +0800
commit0715f576a87349732786f1a2a76c35ac7ceff9ff (patch)
tree8d0dff3aec3b9f10e12ef2fd7fc481536b7162f0 /camel/camel-formatter.c
parentc499722cef56ddd2ebfd8d2ff2c6c21c8918a9b0 (diff)
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+ * tests/test-formatter.c: New file; intended to test the
+ CamelFormatter class. + + * camel/camel-formatter.c: Lots of cleanup, commenting, some new + functions, and a really basic skeleton for getting bonobo objects + into the html. + (encode_entities): New function, stolen from Daniel Velliard. svn path=/trunk/; revision=1660
Diffstat (limited to 'camel/camel-formatter.c')
-rw-r--r--camel/camel-formatter.c648
1 files changed, 467 insertions, 181 deletions
diff --git a/camel/camel-formatter.c b/camel/camel-formatter.c
index ae426c2e63..0a26bd163f 100644
--- a/camel/camel-formatter.c
+++ b/camel/camel-formatter.c
@@ -25,57 +25,313 @@
#include <config.h>
#include "camel-formatter.h"
-static GtkObjectClass *parent_class=NULL;
+#include "camel-log.h"
+#include <libgnome/libgnome.h>
+
+/*
+ * The CamelFormatter takes a mime message, and produces html from it,
+ * through the single function camel_formatter_mime_message_to_html().
+ * The flow of execution goes something like this:
+ *
+ * camel_formatter_mime_message_to_html()
+ * |
+ * V
+ * handle_mime_message()
+ * |
+ * V
+ * call_handler_function()
+ *
+ * Then, 'call_handler_function' acts as a dispatcher, using a
+ * hashtable to match a mime type to one of the following functions;
+ * note that the below functions sometimes then use
+ * 'call_handler_function()' to continue the process recursively.
+ */
+
+static void handle_text_plain (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_text_html (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_image (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_mime_message (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_multipart_mixed (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_multipart_related (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_multipart_alternate(CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+static void handle_unknown_type (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream);
+
+
+
+/* encodes some characters into their 'escaped' version;
+ * so '<' turns into '&lt;', and '"' turns into '&quot;' */
+static gchar* encode_entities (const guchar *input,
+ guint len,
+ guint *encoded_len_return);
+
+
+static GtkObjectClass *parent_class = NULL;
+
static void _finalize (GtkObject *object);
struct _CamelFormatterPrivate {
- /* nothing here yet */
+ CamelMimeMessage *current_root;
};
-GHashTable *mime_function_table = NULL;
+static GHashTable *mime_function_table = NULL;
+
+void
+debug (const gchar *format,
+ ...)
+{
+ va_list args;
+ gchar *string;
+
+ g_return_if_fail (format != NULL);
+
+ va_start (args, format);
+ string = g_strdup_vprintf (format, args);
+ va_end (args);
+
+ fputs (string, stdout);
+ fflush (stdout);
+
+ g_free (string);
+}
+
+
+/**
+ * camel_formatter_mime_message_to_html:
+ * @formatter: the camel formatter object
+ * @mime_message: the input mime message
+ * @stream: byte stream where data will be written
+ *
+ * Writes a CamelMimeMessage out, as html, into a stream passed in as
+ * a parameter.
+ **/
+void
+camel_formatter_mime_message_to_html (CamelFormatter* formatter,
+ CamelMimeMessage* mime_message,
+ CamelStream* stream)
+{
+ camel_stream_write_string (stream, "<html><body>\n");
+
+ formatter->priv->current_root = mime_message;
+
+ handle_mime_message (
+ formatter,
+ CAMEL_DATA_WRAPPER (mime_message),
+ stream);
+
+ camel_stream_write_string (stream, "\n</body></html>\n");
+}
+
+/* we're maintaining a hashtable of mimetypes -> functions;
+ * those functions have the following signature...*/
+typedef void (*mime_handler_fn) (CamelFormatter *formatter,
+ CamelDataWrapper *data_wrapper,
+ CamelStream *stream);
+
+static gchar*
+lookup_unique_id (CamelMimeMessage* root, CamelDataWrapper* child)
+{
+ return "NYI";
+}
+
+
+/* takes a mimetype, calls a function to handle it */
+static void
+call_handler_function (CamelFormatter* formatter,
+ CamelDataWrapper* wrapper,
+ gchar* mimetype, CamelStream* stream)
+{
+ mime_handler_fn handler_function;
+
+ /* try to find a handler function in our own lookup table */
+ handler_function = g_hash_table_lookup (
+ mime_function_table, mimetype);
+
+ /* If there's no such handler function, try to find bonobo
+ * object to show the object */
+ if (!handler_function)
+ {
+ CamelMimeMessage* root = formatter->priv->current_root;
+ char* uid = lookup_unique_id (root, wrapper);
+ const char* goad_id = gnome_mime_get_value (
+ mimetype, "bonobo-goad_id");
+
+ g_assert (root && uid);
+
+ if (goad_id) {
+ char* tag = g_strdup_printf (
+ "<object classid=\"%s\" uid=\"%s\">",
+ goad_id, uid);
+
+ camel_stream_write_string (stream, tag);
+ }
+ /* we don't know how to show something of this
+ mimetype; punt */
+ else {
+ debug ("no function or bonobo object found for mimetype \"%s\"\n",
+ mimetype);
+ handler_function = handle_unknown_type;
+ }
+ }
+ else {
+ (*handler_function)(formatter, wrapper, stream);
+ }
+}
+
+
+/*----------------------------------------------------------------------*
+ * Header (ex. "subj:", "from:") helper functions for mime msgs
+ *----------------------------------------------------------------------*/
+
+/* This routine was originally written by Daniel Velliard, (C) 1998
+ World Wide Web Consortium.
+
+ It will (for example) turn the input 'ab <c>' into 'ab &lt;c&gt;' */
+static gchar *
+encode_entities (const guchar *input,
+ guint len,
+ guint *encoded_len_return)
+{
+ const guchar *cur = input;
+ guchar *buffer = NULL;
+ guchar *out = NULL;
+ gint buffer_size = 0;
+ guint count;
+
+ /* Allocate a translation buffer. */
+ buffer_size = 1000;
+ buffer = g_malloc (buffer_size);
+
+ out = buffer;
+ count = 0;
+
+ while (count < len) {
+ if (out - buffer > buffer_size - 100) {
+ gint index = out - buffer;
+
+ buffer_size *= 2;
+ buffer = g_realloc (buffer, buffer_size);
+ out = &buffer[index];
+ }
+
+ /* By default one has to encode at least '<', '>', '"' and '&'. */
+
+ if (*cur == '<') {
+ *out++ = '&';
+ *out++ = 'l';
+ *out++ = 't';
+ *out++ = ';';
+ } else if (*cur == '>') {
+ *out++ = '&';
+ *out++ = 'g';
+ *out++ = 't';
+ *out++ = ';';
+ } else if (*cur == '&') {
+ *out++ = '&';
+ *out++ = 'a';
+ *out++ = 'm';
+ *out++ = 'p';
+ *out++ = ';';
+ } else if (*cur == '"') {
+ *out++ = '&';
+ *out++ = 'q';
+ *out++ = 'u';
+ *out++ = 'o';
+ *out++ = 't';
+ *out++ = ';';
+ } else if (((*cur >= 0x20) && (*cur < 0x80))
+ || (*cur == '\n') || (*cur == '\r') || (*cur == '\t')) {
+ /* Default case, just copy. */
+ *out++ = *cur;
+ } else {
+ char buf[10], *ptr;
+
+ g_snprintf(buf, 9, "&#%d;", *cur);
+
+ ptr = buf;
+ while (*ptr != 0)
+ *out++ = *ptr++;
+ }
+
+ cur++;
+ count++;
+ }
+
+ *out = 0;
+ *encoded_len_return = out - buffer;
+
+ return buffer;
+}
+
static void
-write_field_to_stream (gchar* description, gchar* value, CamelStream *stream)
+write_field_to_stream (const gchar* description, const gchar* value,
+ CamelStream *stream)
{
gchar *s;
+ guint ev_length;
+ gchar* encoded_value = value?encode_entities (
+ value, strlen(value), &ev_length):"";
+ int i;
+ for (i = 0; i < strlen (value); i++)
+ if (!isprint(encoded_value[i]))
+ encoded_value[i] = 'Z';
+
g_assert (description && value);
- s = g_strdup_printf ("<b>%s: %s</b><br>\n",
- description, value);
+ s = g_strdup_printf ("<b>%s</b>: %s<br>\n",
+ description, encoded_value);
+
camel_stream_write_string (stream, s);
+ g_free (encoded_value);
g_free (s);
}
+
static void
-write_recipients_to_stream (const gchar *recipient_type,
- const GList *recipients,
+write_recipients_to_stream (const gchar* recipient_type,
+ const GList* recipients,
CamelStream* stream)
{
- gchar *s;
+ /* list of recipients, like "elvis@graceland; bart@springfield" */
+ gchar *recipients_string = NULL;
g_assert (recipient_type && stream);
- /* Write "To:", "CC:", or "BCC:" to the stream */
- s = g_strdup_printf ("<b>%s:</b> ", recipient_type);
- camel_stream_write_string (stream, s);
- g_free (s);
-
/* Write out each recipient of 'recipient_type' to the stream */
while (recipients) {
- camel_stream_write_string (stream, recipients->data);
+ gchar *old_string = recipients_string;
+ recipients_string = g_strdup_printf (
+ "%s%s%s",
+ old_string?old_string:"",
+ old_string?"; ":"",
+ (gchar*)recipients->data);
+
+ g_free (old_string);
+
recipients = recipients->next;
- if (recipients)
- camel_stream_write_string (stream, "; ");
}
+ write_field_to_stream (recipient_type, recipients_string, stream);
+
+ g_free (recipients_string);
camel_stream_write_string (stream, "<br><br>\n");
}
-CamelFormatter*
-camel_formatter_new ()
-{
- return (gtk_type_new (CAMEL_FORMATTER_TYPE));
-}
-
static void
write_header_info_to_stream (CamelMimeMessage* mime_message,
@@ -86,8 +342,6 @@ write_header_info_to_stream (CamelMimeMessage* mime_message,
g_assert (mime_message && stream);
- camel_stream_write_string (stream, "Content type: text/html\n");
-
/* A few fields will probably be available from the mime_message;
for each one that's available, write it to the output stream
with a helper function, 'write_field_to_stream'. */
@@ -127,37 +381,108 @@ write_header_info_to_stream (CamelMimeMessage* mime_message,
write_recipients_to_stream ("BCC:", recipients, stream);
}
+static gint
+strcase_equal (gconstpointer v, gconstpointer v2)
+{
+ return g_strcasecmp ((const gchar*) v, (const gchar*)v2) == 0;
+}
#define MIME_TYPE_WHOLE(a) (gmime_content_field_get_mime_type ( \
camel_mime_part_get_content_type (CAMEL_MIME_PART (a))))
#define MIME_TYPE_MAIN(a) ((camel_mime_part_get_content_type (CAMEL_MIME_PART (a)))->type)
#define MIME_TYPE_SUB(a) ((camel_mime_part_get_content_type (CAMEL_MIME_PART (a)))->subtype)
-static gboolean
-strmatch (gchar *a, gchar *b)
-{
- return (g_strcasecmp (a,b) == 0);
-}
+/*----------------------------------------------------------------------*
+ * Mime handling functions
+ *----------------------------------------------------------------------*/
static void
-write_mimepart_to_stream (CamelMimePart* mime_part, CamelStream* stream)
+handle_text_plain (CamelFormatter *formatter, CamelDataWrapper *wrapper,
+ CamelStream *stream)
{
- if (strmatch (MIME_TYPE_WHOLE(mime_part), "text/plain")) {
- /* print out the shit plain-style */
- }
- else if (strmatch (MIME_TYPE_WHOLE(mime_part), "text/html")) {
- /* print out the html */
+ CamelSimpleDataWrapper* simple_data_wrapper;
+ gchar* text;
+
+ debug ("handle_text_plain: entered\n");
+
+ g_assert (CAMEL_IS_SIMPLE_DATA_WRAPPER (wrapper));
+ simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (wrapper);
+
+// camel_simple_data_wrapper_set_text (
+// simple_data_wrapper, "hello world");
+ if (simple_data_wrapper->byte_array->len != 0) {
+ debug ("yay, simple_data_wrapper->byte_array->len != 0\n");
+ g_assert (simple_data_wrapper->byte_array->data);
+
+ text = g_strndup (simple_data_wrapper->byte_array->data,
+ simple_data_wrapper->byte_array->len);
+ camel_stream_write_string (stream, text);
+ g_free (text);
}
- else if (strmatch (MIME_TYPE_MAIN(mime_part), "image")) {
- /* print out <img src="foofuck"> */
+ else {
+ debug ("boo, simple_data_wrapper->byte_array->len == 0\n");
}
+
+ debug ("handle_text_plain: exiting\n");
}
+static void
+handle_text_html (CamelFormatter *formatter, CamelDataWrapper *wrapper,
+ CamelStream *stream)
+{
+ debug ("handle_text_html: entered\n");
+
+ /* TODO: replace 'body' tag with 'table' tag; delete
+ everything prior to the 'body' tag */
-/* returns NULL if no text/html or text/plan msg is found */
+ debug ("handle_text_html: exiting\n");
+}
+
+static void
+handle_image (CamelFormatter *formatter, CamelDataWrapper *wrapper,
+ CamelStream *stream)
+{
+ debug ("handle_image: entered\n");
+
+
+
+ debug ("handle_image: exiting\n");
+}
+
+static void
+handle_mime_message (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream)
+{
+ CamelMimeMessage* mime_message =
+ CAMEL_MIME_MESSAGE (wrapper);
+
+ CamelDataWrapper* message_contents =
+ camel_medium_get_content_object (CAMEL_MEDIUM (mime_message));
+
+ debug ("handle_mime_message: entered\n");
+ camel_stream_write_string (stream, "<table width=95% border=1><tr><td>\n\n");
+
+ /* write the subj:, to:, from: etc. fields out as html */
+ write_header_info_to_stream (mime_message, stream);
+
+ /* dispatch the correct handler function for the mime type */
+ call_handler_function (formatter, message_contents,
+ MIME_TYPE_WHOLE (mime_message), stream);
+
+ /* close up the table we opened */
+ camel_stream_write_string (stream, "\n\n</td></tr></table>\n\n");
+ debug ("handle_mime_message: exiting\n");
+}
+
+
+/*
+ * multipart-related helper function --
+ * returns NULL if no text/html or text/plan msg is found
+ */
static CamelMimePart*
-find_preferred_displayable_body_part_in_multipart_related (
+find_preferred_displayable_body_part_in_multipart_alternate (
CamelMultipart* multipart)
{
int i, max_multiparts;
@@ -172,10 +497,10 @@ find_preferred_displayable_body_part_in_multipart_related (
/* ...and write each one, as html, into the stream. */
for (i = 0; i < max_multiparts; i++) {
CamelMimeBodyPart* body_part = camel_multipart_get_part (multipart, i);
- if (strmatch (MIME_TYPE_SUB (body_part), "plain")) {
+ if (strcase_equal (MIME_TYPE_SUB (body_part), "plain")) {
plain_part = CAMEL_MIME_PART (body_part);
}
- else if (strmatch (MIME_TYPE_SUB (body_part), "html")) {
+ else if (strcase_equal (MIME_TYPE_SUB (body_part), "html")) {
html_part = CAMEL_MIME_PART (body_part);
}
}
@@ -187,112 +512,15 @@ find_preferred_displayable_body_part_in_multipart_related (
return NULL;
}
-/* Converts the contents of a CamelMimePart into HTML */
-static void
-mime_part_to_html (CamelFormatter* formatter, CamelMimePart* part,
- CamelStream *stream)
-{
- /* Get the mime-type of the mime message */
- gchar* mime_type_whole = /* ex. "text/plain" */
- MIME_TYPE_WHOLE (part);
-
- /* get the contents of the mime message */
- CamelDataWrapper* message_contents =
- camel_medium_get_content_object (CAMEL_MEDIUM (part));
-
- /* if we're dealing with a multipart/related message... */
- if (strmatch (MIME_TYPE_WHOLE (part), "multipart/related")) {
-
- CamelMultipart *multipart = CAMEL_MULTIPART (
- message_contents);
-
- int i, max_multiparts;
-
- /* find out out many parts are in it...*/
- max_multiparts = camel_multipart_get_number (multipart);
-
- /* ...and write each one, as html, into the stream. */
- for (i = 0; i < max_multiparts; i++) {
- CamelMimeBodyPart* body_part =
- camel_multipart_get_part (multipart, i);
-
- /* TODO: insert html delimiters, probably
- * <hr>'s, before and after the following
- * call*/
- mime_part_to_html (
- formatter, CAMEL_MIME_PART (body_part),
- stream);
- }
- }
-
- /* okay, it's not multipart-related, so we have only one 'thing'
- * to convert to html */
- else {
- CamelMimePart* mime_part = NULL;
-
- /* if it's a multipart/alternate, track down one we can
- * convert to html (if any) */
- if (strmatch (mime_type_whole, "multipart/alternate")) {
- mime_part =
- find_preferred_displayable_body_part_in_multipart_related (
- CAMEL_MULTIPART(message_contents));
- }
-
- else if (strmatch (mime_type_whole, "text/plain") ||
- strmatch (mime_type_whole, "text/html")) {
-
- mime_part = CAMEL_MIME_PART (message_contents);
- }
-
- if (message_contents) {
-
- }
- else {
- gchar *error_string = g_strdup_printf (
- "Sorry, but I don't know how to display items of type %s\n",
- mime_type_whole);
-
- camel_stream_write_string (stream, error_string);
- g_free (error_string);
- }
- }
-
-}
-
-
-/**
- * camel_formatter_mime_message_to_html:
- * @formatter: the camel formatter object
- * @mime_message: the input mime message
- * @stream: byte stream where data will be written
- *
- * Writes a CamelMimeMessage out, as html, into a stream passed in as
- * a parameter.
- **/
-void
-camel_formatter_mime_message_to_html (CamelFormatter* formatter,
- CamelMimeMessage* mime_message,
- CamelStream* stream)
-{
-
-}
-
-typedef void (*mime_handler_fn) (CamelFormatter *formatter,
- CamelDataWrapper *data_wrapper,
- CamelStream *stream);
static void
-handle_text_plain (CamelFormatter *formatter, CamelDataWrapper *wrapper,
- CamelStream *stream)
+handle_multipart_mixed (CamelFormatter *formatter,
+ CamelDataWrapper *wrapper,
+ CamelStream *stream)
{
-
-}
-
-static void
-handle_html (CamelFormatter *formatter, CamelDataWrapper *wrapper,
- CamelStream *stream)
-{
-
+ CamelMultipart* mp = CAMEL_MULTIPART (wrapper);
+ debug ("handle_multipart_mixed: entered\n");
+ debug ("handle_multipart_mixed: exiting\n");
}
static void
@@ -300,7 +528,9 @@ handle_multipart_related (CamelFormatter *formatter,
CamelDataWrapper *wrapper,
CamelStream *stream)
{
-
+ CamelMultipart* mp = CAMEL_MULTIPART (wrapper);
+ debug ("handle_multipart_related: entered\n");
+ debug ("handle_multipart_related: exiting\n");
}
static void
@@ -308,7 +538,9 @@ handle_multipart_alternate (CamelFormatter *formatter,
CamelDataWrapper *wrapper,
CamelStream *stream)
{
-
+ CamelMultipart* mp = CAMEL_MULTIPART (wrapper);
+ debug ("handle_multipart_alternate: entered\n");
+ debug ("handle_multipart_alternate: exiting\n");
}
static void
@@ -316,43 +548,21 @@ handle_unknown_type (CamelFormatter *formatter,
CamelDataWrapper *wrapper,
CamelStream *stream)
{
-
-}
-
-static void
-call_handler_function (CamelFormatter* formatter,
- CamelDataWrapper* wrapper, gchar* mimetype)
-{
- mime_handler_fn handler_function;
-
- handler_function = g_hash_table_lookup (
- mime_function_table, mimetype);
-
- if (!handler_function)
- handler_function = handle_unknown_type;
+ debug ("handle_unknown_type: entered\n");
+ debug ("handle_unknown_type: exiting\n");
}
+/*----------------------------------------------------------------------*
+ * Standard Gtk+ class functions
+ *----------------------------------------------------------------------*/
-static void
-handle_mime_message (CamelFormatter *formatter,
- CamelDataWrapper *wrapper,
- CamelStream *stream)
+CamelFormatter*
+camel_formatter_new ()
{
- CamelMimeMessage* mime_message =
- CAMEL_MIME_MESSAGE (wrapper);
-
- CamelDataWrapper* message_contents =
- camel_medium_get_content_object (CAMEL_MEDIUM (mime_message));
+ return (gtk_type_new (CAMEL_FORMATTER_TYPE));
+}
- /* write the subj:, to:, from: etc. fields out as html */
- write_header_info_to_stream (mime_message, stream);
- /* dispatch the correct handler function for the mime type */
- call_handler_function (formatter, message_contents, MIME_TYPE_WHOLE (mime_message));
-
- /* close up the table opened by 'write_header_info_to_stream' */
- camel_stream_write_string (stream, "</td></tr></table>");
-}
static void
camel_formatter_class_init (CamelFormatterClass *camel_formatter_class)
@@ -362,21 +572,23 @@ camel_formatter_class_init (CamelFormatterClass *camel_formatter_class)
parent_class = gtk_type_class (gtk_object_get_type ());
- mime_function_table = g_hash_table_new (g_str_hash, g_str_equal);
+ mime_function_table = g_hash_table_new (g_str_hash, strcase_equal);
#define ADD_HANDLER(a,b) g_hash_table_insert (mime_function_table, a, b)
/* hook up mime types to functions that handle them */
ADD_HANDLER ("text/plain", handle_text_plain);
- ADD_HANDLER ("text/html", handle_html);
+ ADD_HANDLER ("text/html", handle_text_html);
ADD_HANDLER ("multipart/alternate", handle_multipart_alternate);
ADD_HANDLER ("multipart/related", handle_multipart_related);
+ ADD_HANDLER ("multipart/related", handle_multipart_mixed);
ADD_HANDLER ("message/rfc822", handle_mime_message);
/* virtual method overload */
gtk_object_class->finalize = _finalize;
}
+
static void
camel_formatter_init (gpointer object, gpointer klass)
{
@@ -413,7 +625,7 @@ camel_formatter_get_type (void)
static void
-_finalize (GtkObject *object)
+_finalize (GtkObject* object)
{
CamelFormatter *formatter = CAMEL_FORMATTER (object);
@@ -423,3 +635,77 @@ _finalize (GtkObject *object)
}
+/* GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE */
+/* GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE */
+/* GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE GARBAGE */
+
+/* Converts the contents of a CamelMimePart into HTML */
+static void
+mime_part_to_html (CamelFormatter* formatter, CamelMimePart* part,
+ CamelStream* stream)
+{
+ /* Get the mime-type of the mime message */
+ gchar* mime_type_whole = /* ex. "text/plain" */
+ MIME_TYPE_WHOLE (part);
+
+ /* get the contents of the mime message */
+ CamelDataWrapper* message_contents =
+ camel_medium_get_content_object (CAMEL_MEDIUM (part));
+
+ /* if we're dealing with a multipart/related message... */
+ if (strcase_equal (MIME_TYPE_WHOLE (part), "multipart/related")) {
+
+ CamelMultipart *multipart = CAMEL_MULTIPART (
+ message_contents);
+
+ int i, max_multiparts;
+
+ /* find out out many parts are in it...*/
+ max_multiparts = camel_multipart_get_number (multipart);
+
+ /* ...and write each one, as html, into the stream. */
+ for (i = 0; i < max_multiparts; i++) {
+ CamelMimeBodyPart* body_part =
+ camel_multipart_get_part (multipart, i);
+
+ /* TODO: insert html delimiters, probably
+ * <hr>'s, before and after the following
+ * call*/
+ mime_part_to_html (
+ formatter, CAMEL_MIME_PART (body_part),
+ stream);
+ }
+ }
+
+ /* okay, it's not multipart-related, so we have only one 'thing'
+ * to convert to html */
+ else {
+ CamelMimePart* mime_part = NULL;
+
+ /* if it's a multipart/alternate, track down one we can
+ * convert to html (if any) */
+ if (strcase_equal (mime_type_whole, "multipart/alternate")) {
+ mime_part =
+ find_preferred_displayable_body_part_in_multipart_related (
+ CAMEL_MULTIPART(message_contents));
+ }
+
+ else if (strcase_equal (mime_type_whole, "text/plain") ||
+ strcase_equal (mime_type_whole, "text/html")) {
+
+ mime_part = CAMEL_MIME_PART (message_contents);
+ }
+
+ if (message_contents) {
+
+ }
+ else {
+ gchar *error_string = g_strdup_printf (
+ "Sorry, but I don't know how to display items of type %s\n",
+ mime_type_whole);
+
+ camel_stream_write_string (stream, error_string);
+ g_free (error_string);
+ }
+ }
+}
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