* field descriptions created by nanopb_generator.py.
*/
-#ifndef _PB_ENCODE_H_
-#define _PB_ENCODE_H_
+#ifndef PB_ENCODE_H_INCLUDED
+#define PB_ENCODE_H_INCLUDED
#include "pb.h"
extern "C" {
#endif
+/* Structure for defining custom output streams. You will need to provide
+ * a callback function to write the bytes to your storage, which can be
+ * for example a file or a network socket.
+ *
+ * The callback must conform to these rules:
+ *
+ * 1) Return false on IO errors. This will cause encoding to abort.
+ * 2) You can use state to store your own data (e.g. buffer pointer).
+ * 3) pb_write will update bytes_written after your callback runs.
+ * 4) Substreams will modify max_size and bytes_written. Don't use them
+ * to calculate any pointers.
+ */
+struct pb_ostream_s
+{
+#ifdef PB_BUFFER_ONLY
+ /* Callback pointer is not used in buffer-only configuration.
+ * Having an int pointer here allows binary compatibility but
+ * gives an error if someone tries to assign callback function.
+ * Also, NULL pointer marks a 'sizing stream' that does not
+ * write anything.
+ */
+ int *callback;
+#else
+ bool (*callback)(pb_ostream_t *stream, const pb_byte_t *buf, size_t count);
+#endif
+ void *state; /* Free field for use by callback implementation. */
+ size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */
+ size_t bytes_written; /* Number of bytes written so far. */
+
+#ifndef PB_NO_ERRMSG
+ const char *errmsg;
+#endif
+};
+
/***************************
* Main encoding functions *
***************************/
*/
bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
+/* Encode the message to get the size of the encoded data, but do not store
+ * the data. */
+bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct);
+
/**************************************
* Functions for manipulating streams *
**************************************/
* Alternatively, you can use a custom stream that writes directly to e.g.
* a file or a network socket.
*/
-pb_ostream_t pb_ostream_from_buffer(uint8_t *buf, size_t bufsize);
+pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize);
/* Pseudo-stream for measuring the size of a message without actually storing
* the encoded data.
/* Function to write into a pb_ostream_t stream. You can use this if you need
* to append or prepend some custom headers to the message.
*/
-bool pb_write(pb_ostream_t *stream, const uint8_t *buf, size_t count);
-
-/* Structure for defining custom output streams. You will need to provide
- * a callback function to write the bytes to your storage, which can be
- * for example a file or a network socket.
- *
- * The callback must conform to these rules:
- *
- * 1) Return false on IO errors. This will cause encoding to abort.
- * 2) You can use state to store your own data (e.g. buffer pointer).
- * 3) pb_write will update bytes_written after your callback runs.
- * 4) Substreams will modify max_size and bytes_written. Don't use them
- * to calculate any pointers.
- */
-struct _pb_ostream_t
-{
-#ifdef PB_BUFFER_ONLY
- /* Callback pointer is not used in buffer-only configuration.
- * Having an int pointer here allows binary compatibility but
- * gives an error if someone tries to assign callback function.
- * Also, NULL pointer marks a 'sizing stream' that does not
- * write anything.
- */
- int *callback;
-#else
- bool (*callback)(pb_ostream_t *stream, const uint8_t *buf, size_t count);
-#endif
- void *state; /* Free field for use by callback implementation. */
- size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */
- size_t bytes_written; /* Number of bytes written so far. */
-
-#ifndef PB_NO_ERRMSG
- const char *errmsg;
-#endif
-};
+bool pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count);
/************************************************
bool pb_encode_svarint(pb_ostream_t *stream, int64_t value);
/* Encode a string or bytes type field. For strings, pass strlen(s) as size. */
-bool pb_encode_string(pb_ostream_t *stream, const uint8_t *buffer, size_t size);
+bool pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size);
/* Encode a fixed32, sfixed32 or float value.
* You need to pass a pointer to a 4-byte wide C variable. */
*/
bool pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
-
-/*******************************
- * Internal / legacy functions *
- *******************************/
-
-#ifdef NANOPB_INTERNALS
-bool pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-bool pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-bool pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-bool pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-bool pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-bool pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-#endif
-
-/* This function is not recommended for new programs. Use pb_encode_submessage()
- * instead, it has the same functionality with a less confusing interface. */
-bool pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src);
-
#ifdef __cplusplus
} /* extern "C" */
#endif
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