Adding upstream version 5:7.2.4.upstream/5%7.2.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/resp_parser.h b/src/resp_parser.h
new file mode 100644
index 0000000..0b5c8e2
--- /dev/null
+++ b/src/resp_parser.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2021, Redis Labs Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Redis nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SRC_RESP_PARSER_H_
+#define SRC_RESP_PARSER_H_
+
+#include <stddef.h>
+
+typedef struct ReplyParser ReplyParser;
+
+typedef struct ReplyParserCallbacks {
+    /* Called when the parser reaches an empty mbulk ('*-1') */
+    void (*null_array_callback)(void *ctx, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches an empty bulk ('$-1') (bulk len is -1) */
+    void (*null_bulk_string_callback)(void *ctx, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a bulk ('$'), which is passed as 'str' along with its length 'len' */
+    void (*bulk_string_callback)(void *ctx, const char *str, size_t len, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches an error ('-'), which is passed as 'str' along with its length 'len' */
+    void (*error_callback)(void *ctx, const char *str, size_t len, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a simple string ('+'), which is passed as 'str' along with its length 'len' */
+    void (*simple_str_callback)(void *ctx, const char *str, size_t len, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a long long value (':'), which is passed as an argument 'val' */
+    void (*long_callback)(void *ctx, long long val, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches an array ('*'). The array length is passed as an argument 'len' */
+    void (*array_callback)(struct ReplyParser *parser, void *ctx, size_t len, const char *proto);
+
+    /* Called when the parser reaches a set ('~'). The set length is passed as an argument 'len' */
+    void (*set_callback)(struct ReplyParser *parser, void *ctx, size_t len, const char *proto);
+
+    /* Called when the parser reaches a map ('%'). The map length is passed as an argument 'len' */
+    void (*map_callback)(struct ReplyParser *parser, void *ctx, size_t len, const char *proto);
+
+    /* Called when the parser reaches a bool ('#'), which is passed as an argument 'val' */
+    void (*bool_callback)(void *ctx, int val, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a double (','), which is passed as an argument 'val' */
+    void (*double_callback)(void *ctx, double val, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a big number ('('), which is passed as 'str' along with its length 'len' */
+    void (*big_number_callback)(void *ctx, const char *str, size_t len, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches a string ('='), which is passed as 'str' along with its 'format' and length 'len' */
+    void (*verbatim_string_callback)(void *ctx, const char *format, const char *str, size_t len, const char *proto, size_t proto_len);
+
+    /* Called when the parser reaches an attribute ('|'). The attribute length is passed as an argument 'len' */
+    void (*attribute_callback)(struct ReplyParser *parser, void *ctx, size_t len, const char *proto);
+
+    /* Called when the parser reaches a null ('_') */
+    void (*null_callback)(void *ctx, const char *proto, size_t proto_len);
+
+    void (*error)(void *ctx);
+} ReplyParserCallbacks;
+
+struct ReplyParser {
+    /* The current location in the reply buffer, needs to be set to the beginning of the reply */
+    const char *curr_location;
+    ReplyParserCallbacks callbacks;
+};
+
+int parseReply(ReplyParser *parser, void *p_ctx);
+
+#endif /* SRC_RESP_PARSER_H_ */