[PATCH] add g_web_result_get_header support.

[Mohamed Abbas]

While we reading header add header <key, value> to hashtable and
allow user to ask for specific header.
---
 gweb/gweb.c |   36 ++++++++++++++++++++++++++++++++++++
 gweb/gweb.h |    2 ++
 2 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/gweb/gweb.c b/gweb/gweb.c
index eb31ae9..fbcb173 100644
--- a/gweb/gweb.c
+++ b/gweb/gweb.c
@@ -44,6 +44,7 @@ struct _GWebResult {
        guint16 status;
        const guint8 *buffer;
        gsize length;
+       GHashTable *headers;
 };
 
 struct web_session {
@@ -122,6 +123,7 @@ static void free_session(struct web_session *session)
        if (session->transport_channel != NULL)
                g_io_channel_unref(session->transport_channel);
 
+       g_hash_table_destroy(session->result.headers);
        g_string_free(session->current_header, TRUE);
        g_free(session->receive_buffer);
 
@@ -391,6 +393,15 @@ static gboolean received_data(GIOChannel *channel, 
GIOCondition cond,
 
                debug(session->web, "[header] %s", str);
 
+               pos = memchr(str, ':', session->current_header->len);
+               if (pos != NULL) {
+                       *pos = '\0';
+                       pos++;
+                       g_hash_table_insert(session->result.headers,
+                                               g_strdup(str),
+                                               g_strdup((char *)pos));
+               }
+
                g_string_truncate(session->current_header, 0);
        }
 
@@ -602,6 +613,14 @@ guint g_web_request(GWeb *web, GWebMethod method, const 
char *url,
                return 0;
        }
 
+       session->result.headers = g_hash_table_new_full(g_str_hash, g_str_equal,
+                                                       g_free, g_free);
+
+       if (session->result.headers == NULL) {
+               free_session(session);
+               return 0;
+       }
+
        session->receive_space = DEFAULT_BUFFER_SIZE;
        session->current_header = g_string_sized_new(0);
        session->header_done = FALSE;
@@ -654,6 +673,23 @@ gboolean g_web_result_get_chunk(GWebResult *result,
        return TRUE;
 }
 
+gboolean g_web_result_get_header(GWebResult *result,
+                               const char *header, const char **value)
+{
+       if (result == NULL)
+               return FALSE;
+
+       if (value == NULL)
+               return FALSE;
+
+       *value = g_hash_table_lookup(result->headers, header);
+
+       if (*value == NULL)
+               return FALSE;
+
+       return TRUE;
+}
+
 struct _GWebParser {
        gint ref_count;
        char *begin_token;
diff --git a/gweb/gweb.h b/gweb/gweb.h
index df947e0..48be1a8 100644
--- a/gweb/gweb.h
+++ b/gweb/gweb.h
@@ -70,6 +70,8 @@ gboolean g_web_cancel(GWeb *web, guint id);
 
 guint16 g_web_result_get_status(GWebResult *result);
 
+gboolean g_web_result_get_header(GWebResult *result,
+                               const char *header, const char **value);
 gboolean g_web_result_get_chunk(GWebResult *result,
                                const guint8 **chunk, gsize *length);
 
-- 
1.7.2.3

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