diff options
Diffstat (limited to 'tinyHTTP/ragel/thttp_parser_header_ETag.rl')
| -rw-r--r-- | tinyHTTP/ragel/thttp_parser_header_ETag.rl | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/tinyHTTP/ragel/thttp_parser_header_ETag.rl b/tinyHTTP/ragel/thttp_parser_header_ETag.rl new file mode 100644 index 0000000..d21f4c8 --- /dev/null +++ b/tinyHTTP/ragel/thttp_parser_header_ETag.rl @@ -0,0 +1,173 @@ +/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*
+* This file is part of Open Source Doubango Framework.
+*
+* DOUBANGO 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 3 of the License, or
+* (at your option) any later version.
+*
+* DOUBANGO 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 DOUBANGO.
+*
+*/
+
+/**@file thttp_header_ETag.c
+ * @brief HTTP 'Etag' header.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinyhttp/headers/thttp_header_ETag.h"
+
+#include "tinyhttp/parsers/thttp_parser_url.h"
+
+#include "tsk_debug.h"
+#include "tsk_memory.h"
+
+#include <string.h>
+
+/***********************************
+* Ragel state machine.
+*/
+%%{
+ machine thttp_machine_parser_header_ETag;
+ alphtype unsigned char;
+
+ # Includes
+ include thttp_machine_utils "./ragel/thttp_machine_utils.rl";
+
+ action tag{
+ tag_start = p;
+ }
+
+ action is_weak{
+ hdr_ETag->isWeak = tsk_true;
+ }
+
+ action parse_entity_tag{
+ TSK_PARSER_SET_STRING(hdr_ETag->value);
+ tsk_strunquote(&hdr_ETag->value);
+ }
+
+ action eob{
+ }
+
+ weak = "W/"i %is_weak;
+ opaque_tag = quoted_string>tag %parse_entity_tag;
+ entity_tag = weak? <: opaque_tag;
+ ETag = "ETag"i HCOLON entity_tag;
+
+ # Entry point
+ main := ETag :>CRLF @eob;
+
+}%%
+
+thttp_header_ETag_t* thttp_header_etag_create(const char* value)
+{
+ return tsk_object_new(THTTP_HEADER_ETAG_VA_ARGS(value));
+}
+
+thttp_header_ETag_t* thttp_header_etag_create_null()
+{
+ return thttp_header_etag_create(tsk_null);
+}
+
+
+int thttp_header_ETag_tostring(const thttp_header_t* header, tsk_buffer_t* output)
+{
+ if(header){
+ const thttp_header_ETag_t *ETag = (const thttp_header_ETag_t*)header;
+ if(ETag->value){
+ return tsk_buffer_append_2(output, "%s\"%s\"",
+ ETag->isWeak ? "W/" : "",
+ ETag->value);
+ }
+ return 0;
+ }
+
+ return -1;
+}
+
+/**@ingroup thttp_header_group
+*/
+thttp_header_ETag_t *thttp_header_ETag_parse(const char *data, tsk_size_t size)
+{
+ int cs = 0;
+ const char *p = data;
+ const char *pe = p + size;
+ const char *eof = pe;
+ thttp_header_ETag_t *hdr_ETag = thttp_header_etag_create_null();
+
+ const char *tag_start;
+
+ %%write data;
+ %%write init;
+ %%write exec;
+
+ if( cs < %%{ write first_final; }%% ){
+ TSK_DEBUG_ERROR("Failed to parse ETag header.");
+ TSK_OBJECT_SAFE_FREE(hdr_ETag);
+ }
+
+ return hdr_ETag;
+}
+
+
+
+
+
+
+
+//========================================================
+// ETag header object definition
+//
+
+static tsk_object_t* thttp_header_ETag_ctor(tsk_object_t *self, va_list * app)
+{
+ thttp_header_ETag_t *ETag = self;
+ if(ETag){
+ THTTP_HEADER(ETag)->type = thttp_htype_ETag;
+ THTTP_HEADER(ETag)->tostring = thttp_header_ETag_tostring;
+
+ ETag->value = tsk_strdup(va_arg(*app, const char*));
+ }
+ else{
+ TSK_DEBUG_ERROR("Failed to create new ETag header.");
+ }
+ return self;
+}
+
+static tsk_object_t* thttp_header_ETag_dtor(tsk_object_t *self)
+{
+ thttp_header_ETag_t *ETag = self;
+ if(ETag)
+ {
+ TSK_FREE(ETag->value);
+
+ TSK_OBJECT_SAFE_FREE(THTTP_HEADER_PARAMS(ETag));
+ }
+ else{
+ TSK_DEBUG_ERROR("Null ETag header.");
+ }
+
+ return self;
+}
+
+static const tsk_object_def_t thttp_header_ETag_def_s =
+{
+ sizeof(thttp_header_ETag_t),
+ thttp_header_ETag_ctor,
+ thttp_header_ETag_dtor,
+ tsk_null
+};
+const tsk_object_def_t *thttp_header_ETag_def_t = &thttp_header_ETag_def_s;
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