[evolution] Bug 679323 - Formatting errors when replying in inline mode

[Dan VrÃtil <dvratil src gnome org>]

commit bd2af6d508bee034e7251e5171eff28427ce1546
Author: Dan VrÃtil <dvratil redhat com>
Date:   Fri Jul 13 10:55:12 2012 +0200

    Bug 679323 - Formatting errors when replying in inline mode

 em-format/e-mail-formatter-quote-headers.c |  137 +++++++++++++++++++++++++++-
 1 files changed, 134 insertions(+), 3 deletions(-)
---
diff --git a/em-format/e-mail-formatter-quote-headers.c b/em-format/e-mail-formatter-quote-headers.c
index 5c31e39..064e4b2 100644
--- a/em-format/e-mail-formatter-quote-headers.c
+++ b/em-format/e-mail-formatter-quote-headers.c
@@ -62,6 +62,138 @@ G_DEFINE_TYPE_EXTENDED (
 		E_TYPE_MAIL_FORMATTER_EXTENSION,
 		e_mail_formatter_quote_formatter_extension_interface_init))
 
+
+static void
+emfqe_format_text_header (EMailFormatter *emf,
+			  GString *buffer,
+			  const gchar *label,
+			  const gchar *value,
+			  guint32 flags,
+			  gint is_html)
+{
+	const gchar *html;
+	gchar *mhtml = NULL;
+
+	if (value == NULL)
+		return;
+
+	while (*value == ' ')
+		value++;
+
+	if (!is_html)
+		html = mhtml = camel_text_to_html (value, 0, 0);
+	else
+		html = value;
+
+	if (flags & E_MAIL_FORMATTER_HEADER_FLAG_BOLD)
+		g_string_append_printf (
+			buffer, "<b>%s</b>: %s<br>", label, html);
+	else
+		g_string_append_printf (
+			buffer, "%s: %s<br>", label, html);
+
+	g_free (mhtml);
+}
+
+/* XXX: This is copied in e-mail-formatter-utils.c */
+static const gchar *addrspec_hdrs[] = {
+	"Sender", "From", "Reply-To", "To", "Cc", "Bcc",
+	"Resent-Sender", "Resent-From", "Resent-Reply-To",
+	"Resent-To", "Resent-Cc", "Resent-Bcc", NULL
+};
+
+static void
+emfqe_format_header (EMailFormatter *formatter,
+		     GString *buffer,
+		     CamelMedium *part,
+		     struct _camel_header_raw *header,
+		     guint32 flags,
+		     const gchar *charset)
+{
+	CamelMimeMessage *msg = (CamelMimeMessage *) part;
+	gchar *name, *buf, *value = NULL;
+	const gchar *txt, *label;
+	gboolean addrspec = FALSE;
+	gint is_html = FALSE;
+	gint i;
+
+	name = g_alloca (strlen (header->name) + 1);
+	strcpy (name, header->name);
+	e_mail_formatter_canon_header_name (name);
+
+	/* Never quote Bcc headers */
+	if (g_str_equal (name, "Bcc") || g_str_equal (name, "Resent-Bcc"))
+		return;
+
+	for (i = 0; addrspec_hdrs[i]; i++) {
+		if (!strcmp (name, addrspec_hdrs[i])) {
+			addrspec = TRUE;
+			break;
+		}
+	}
+
+	label = _(name);
+
+	if (addrspec) {
+		struct _camel_header_address *addrs;
+		GString *html;
+
+		if (!(txt = camel_medium_get_header (part, name)))
+			return;
+
+		buf = camel_header_unfold (txt);
+		addrs = camel_header_address_decode (
+			txt, e_mail_formatter_get_charset (formatter) ?
+			e_mail_formatter_get_charset (formatter) :
+			e_mail_formatter_get_default_charset (formatter));
+		if (addrs == NULL) {
+			g_free (buf);
+			return;
+		}
+
+		g_free (buf);
+
+		html = g_string_new ("");
+		e_mail_formatter_format_address (formatter, html,
+			addrs, name, FALSE, FALSE);
+		camel_header_address_unref (addrs);
+		txt = value = html->str;
+		g_string_free (html, FALSE);
+		flags |= E_MAIL_FORMATTER_HEADER_FLAG_BOLD;
+		is_html = TRUE;
+	} else if (!strcmp (name, "Subject")) {
+		txt = camel_mime_message_get_subject (msg);
+		label = _("Subject");
+		flags |= E_MAIL_FORMATTER_HEADER_FLAG_BOLD;
+	} else if (!strcmp (name, "X-Evolution-Mailer")) { /* pseudo-header */
+		if (!(txt = camel_medium_get_header (part, "x-mailer")))
+			if (!(txt = camel_medium_get_header (part, "user-agent")))
+				if (!(txt = camel_medium_get_header (part, "x-newsreader")))
+					if (!(txt = camel_medium_get_header (part, "x-mimeole")))
+						return;
+
+		txt = value = camel_header_format_ctext (txt, charset);
+
+		label = _("Mailer");
+		flags |= E_MAIL_FORMATTER_HEADER_FLAG_BOLD;
+	} else if (!strcmp (name, "Date") || !strcmp (name, "Resent-Date")) {
+		if (!(txt = camel_medium_get_header (part, name)))
+			return;
+
+		flags |= E_MAIL_FORMATTER_HEADER_FLAG_BOLD;
+	} else {
+		txt = camel_medium_get_header (part, name);
+		buf = camel_header_unfold (txt);
+		txt = value = camel_header_decode_string (txt, charset);
+		g_free (buf);
+	}
+
+	emfqe_format_text_header (formatter, buffer, label, txt, flags, is_html);
+
+	g_free (value);
+}
+
+
 static gboolean
 emqfe_headers_format (EMailFormatterExtension *extension,
                       EMailFormatter *formatter,
@@ -99,15 +231,14 @@ emqfe_headers_format (EMailFormatterExtension *extension,
 
 			if (g_strcmp0 (raw_header->name, h->name) == 0) {
 
-				e_mail_formatter_format_header (
+				emfqe_format_header (
 					formatter, buffer, (CamelMedium *) part->part,
 					raw_header, flags, charset);
-
-				g_string_append (buffer, "<br>\n");
 				break;
 			}
 		}
 	}
+
 	g_string_append (buffer, "<br>\n");
 
 	camel_stream_write_string (stream, buffer->str, cancellable, NULL);