[evolution-data-server] Bug 732627 - [IMAPx] Add support for literal8 in nstring

[Milan Crha <mcrha src gnome org>]

commit 743cac2ef99125c8ee423b1c6e3bbf80614df619
Author: Milan Crha <mcrha redhat com>
Date:   Tue Jul 22 12:01:25 2014 +0200

    Bug 732627 - [IMAPx] Add support for literal8 in nstring

 camel/providers/imapx/camel-imapx-input-stream.c |   28 ++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/camel/providers/imapx/camel-imapx-input-stream.c 
b/camel/providers/imapx/camel-imapx-input-stream.c
index 1f1b30e..21819a0 100644
--- a/camel/providers/imapx/camel-imapx-input-stream.c
+++ b/camel/providers/imapx/camel-imapx-input-stream.c
@@ -679,6 +679,7 @@ camel_imapx_input_stream_token (CamelIMAPXInputStream *is,
        guchar *o, *p, *e;
        guint literal;
        gint digits;
+       gboolean is_literal8 = FALSE;
 
        g_return_val_if_fail (CAMEL_IS_IMAPX_INPUT_STREAM (is), IMAPX_TOK_ERROR);
        g_return_val_if_fail (data != NULL, IMAPX_TOK_ERROR);
@@ -711,6 +712,21 @@ camel_imapx_input_stream_token (CamelIMAPXInputStream *is,
                c = *p++;
        } while (c == ' ' || c == '\r');
 
+       if (c == '~') {
+               if (p >= e) {
+                       is->priv->ptr = p;
+                       if (imapx_input_stream_fill (is, cancellable, error) == IMAPX_TOK_ERROR)
+                               return IMAPX_TOK_ERROR;
+                       p = is->priv->ptr;
+                       e = is->priv->end;
+               }
+
+               if (*p == '{') {
+                       c = *p++;
+                       is_literal8 = TRUE;
+               }
+       }
+
        /*strchr("\n*()[]+", c)*/
        if (imapx_is_token_char (c)) {
                is->priv->ptr = p;
@@ -723,6 +739,18 @@ camel_imapx_input_stream_token (CamelIMAPXInputStream *is,
                                c = *p++;
                                if (isdigit (c) && literal < (UINT_MAX / 10)) {
                                        literal = literal * 10 + (c - '0');
+                               } else if (is_literal8 && c == '+') {
+                                       if (p >= e) {
+                                               is->priv->ptr = p;
+                                               if (imapx_input_stream_fill (is, cancellable, error) == 
IMAPX_TOK_ERROR)
+                                                       return IMAPX_TOK_ERROR;
+                                               p = is->priv->ptr;
+                                               e = is->priv->end;
+                                       }
+
+                                       /* The '+' can be only at the end of the literal8 token */
+                                       if (*p != '}')
+                                               goto protocol_error;
                                } else if (c == '}') {
                                        while (1) {
                                                while (p < e) {