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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 09:54:11 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 09:54:11 +0200 |
commit | 13fc6703862862f4263d8d5d085b7a16b87190e1 (patch) | |
tree | 47f3a17cb6f38b1aafe22e1cdef085cd73cd3a1d /apps/systemlib/bson/tinybson.h | |
parent | f57439b90e23de260259dec051d3e2ead2d61c8c (diff) | |
download | px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.tar.gz px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.tar.bz2 px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.zip |
Moved last libs, drivers and headers, cleaned up IO build
Diffstat (limited to 'apps/systemlib/bson/tinybson.h')
-rw-r--r-- | apps/systemlib/bson/tinybson.h | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/apps/systemlib/bson/tinybson.h b/apps/systemlib/bson/tinybson.h deleted file mode 100644 index 666f8191a..000000000 --- a/apps/systemlib/bson/tinybson.h +++ /dev/null @@ -1,275 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name PX4 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. - * - ****************************************************************************/ - -/** -* @file tinybson.h -* -* A simple subset SAX-style BSON parser and generator. See http://bsonspec.org -* -* Some types and defines taken from the standalone BSON parser/generator -* in the Mongo C connector. -*/ - -#ifndef _TINYBSON_H -#define _TINYBSON_H - -#include <sys/types.h> -#include <stdint.h> -#include <stdbool.h> - -/** subset of the BSON node types we might care about */ -typedef enum { - BSON_EOO = 0, - BSON_DOUBLE = 1, - BSON_STRING = 2, - BSON_OBJECT = 3, - BSON_ARRAY = 4, - BSON_BINDATA = 5, - BSON_UNDEFINED = 6, - BSON_BOOL = 8, - BSON_DATE = 9, - BSON_NULL = 10, - BSON_INT32 = 16, - BSON_INT64 = 18 -} bson_type_t; - -typedef enum bson_binary_subtype { - BSON_BIN_BINARY = 0, - BSON_BIN_USER = 128 -} bson_binary_subtype_t; - -/** - * Maximum node name length. - */ -#define BSON_MAXNAME 32 - -/** - * Buffer growth increment when writing to a buffer. - */ -#define BSON_BUF_INCREMENT 128 - -/** - * Node structure passed to the callback. - */ -typedef struct bson_node_s { - char name[BSON_MAXNAME]; - bson_type_t type; - bson_binary_subtype_t subtype; - union { - int64_t i; - double d; - bool b; - }; -} *bson_node_t; - -typedef struct bson_decoder_s *bson_decoder_t; - -/** - * Node callback. - * - * The node callback function's return value is returned by bson_decoder_next. - */ -typedef int (* bson_decoder_callback)(bson_decoder_t decoder, void *private, bson_node_t node); - -struct bson_decoder_s { - /* file reader state */ - int fd; - - /* buffer reader state */ - uint8_t *buf; - size_t bufsize; - unsigned bufpos; - - bool dead; - bson_decoder_callback callback; - void *private; - unsigned nesting; - struct bson_node_s node; - int32_t pending; -}; - -/** - * Initialise the decoder to read from a file. - * - * @param decoder Decoder state structure to be initialised. - * @param fd File to read BSON data from. - * @param callback Callback to be invoked by bson_decoder_next - * @param private Callback private data, stored in node. - * @return Zero on success. - */ -__EXPORT int bson_decoder_init_file(bson_decoder_t decoder, int fd, bson_decoder_callback callback, void *private); - -/** - * Initialise the decoder to read from a buffer in memory. - * - * @param decoder Decoder state structure to be initialised. - * @param buf Buffer to read from. - * @param bufsize Size of the buffer (BSON object may be smaller). May be - * passed as zero if the buffer size should be extracted from the - * BSON header only. - * @param callback Callback to be invoked by bson_decoder_next - * @param private Callback private data, stored in node. - * @return Zero on success. - */ -__EXPORT int bson_decoder_init_buf(bson_decoder_t decoder, void *buf, unsigned bufsize, bson_decoder_callback callback, void *private); - -/** - * Process the next node from the stream and invoke the callback. - * - * @param decoder Decoder state, must have been initialised with bson_decoder_init. - * @return -1 if parsing encountered an error, 0 if the BSON stream has ended, - * otherwise the return value from the callback. - */ -__EXPORT int bson_decoder_next(bson_decoder_t decoder); - -/** - * Copy node data. - * - * @param decoder Decoder state, must have been initialised with bson_decoder_init. - */ -__EXPORT int bson_decoder_copy_data(bson_decoder_t decoder, void *buf); - -/** - * Report copyable data size. - * - * @param decoder Decoder state, must have been initialised with bson_decoder_init. - */ -__EXPORT size_t bson_decoder_data_pending(bson_decoder_t decoder); - -/** - * Encoder state structure. - */ -typedef struct bson_encoder_s { - /* file writer state */ - int fd; - - /* buffer writer state */ - uint8_t *buf; - unsigned bufsize; - unsigned bufpos; - - bool realloc_ok; - bool dead; - -} *bson_encoder_t; - -/** - * Initialze the encoder for writing to a file. - * - * @param encoder Encoder state structure to be initialised. - * @param fd File to write to. - * @return Zero on success. - */ -__EXPORT int bson_encoder_init_file(bson_encoder_t encoder, int fd); - -/** - * Initialze the encoder for writing to a buffer. - * - * @param encoder Encoder state structure to be initialised. - * @param buf Buffer pointer to use, or NULL if the buffer - * should be allocated by the encoder. - * @param bufsize Maximum buffer size, or zero for no limit. If - * the buffer is supplied, the size of the supplied buffer. - * @return Zero on success. - */ -__EXPORT int bson_encoder_init_buf(bson_encoder_t encoder, void *buf, unsigned bufsize); - -/** - * Finalise the encoded stream. - * - * @param encoder The encoder to finalise. - */ -__EXPORT int bson_encoder_fini(bson_encoder_t encoder); - -/** - * Fetch the size of the encoded object; only valid for buffer operations. - */ -__EXPORT int bson_encoder_buf_size(bson_encoder_t encoder); - -/** - * Get a pointer to the encoded object buffer. - * - * Note that if the buffer was allocated by the encoder, it is the caller's responsibility - * to free this buffer. - */ -__EXPORT void *bson_encoder_buf_data(bson_encoder_t encoder); - -/** - * Append a boolean to the encoded stream. - * - * @param encoder Encoder state. - * @param name Node name. - * @param value Value to be encoded. - */ -__EXPORT int bson_encoder_append_bool(bson_encoder_t encoder, const char *name, bool value); - -/** - * Append an integer to the encoded stream. - * - * @param encoder Encoder state. - * @param name Node name. - * @param value Value to be encoded. - */ -__EXPORT int bson_encoder_append_int(bson_encoder_t encoder, const char *name, int64_t value); - -/** - * Append a double to the encoded stream - * - * @param encoder Encoder state. - * @param name Node name. - * @param value Value to be encoded. - */ -__EXPORT int bson_encoder_append_double(bson_encoder_t encoder, const char *name, double value); - -/** - * Append a string to the encoded stream. - * - * @param encoder Encoder state. - * @param name Node name. - * @param string Nul-terminated C string. - */ -__EXPORT int bson_encoder_append_string(bson_encoder_t encoder, const char *name, const char *string); - -/** - * Append a binary blob to the encoded stream. - * - * @param encoder Encoder state. - * @param name Node name. - * @param subtype Binary data subtype. - * @param size Data size. - * @param data Buffer containing data to be encoded. - */ -__EXPORT int bson_encoder_append_binary(bson_encoder_t encoder, const char *name, bson_binary_subtype_t subtype, size_t size, const void *data); - - -#endif |