tweak BT + first AirPlay commit

components/raop/dmap_parser.h

@@ -0,0 +1,90 @@
+#ifndef dmap_parser_h
+#define dmap_parser_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#define DMAP_VERSION_MAJOR 1
+#define DMAP_VERSION_MINOR 2
+#define DMAP_VERSION_PATCH 1
+
+#define DMAP_VERSION (DMAP_VERSION_MAJOR * 1000000 + \
+                      DMAP_VERSION_MINOR * 1000 + \
+                      DMAP_VERSION_PATCH)
+
+/*
+ * Callbacks invoked during parsing.
+ *
+ * @param ctx  The context pointer specified in the dmap_settings structure.
+ * @param code The content code from the message.
+ * @param name The name associated with the content code, if known. If there is
+ *             no known name this parameter contains the same value as the code
+ *             parameter.
+ */
+typedef void (*dmap_dict_cb)   (void *ctx, const char *code, const char *name);
+typedef void (*dmap_int32_cb)  (void *ctx, const char *code, const char *name, int32_t value);
+typedef void (*dmap_int64_cb)  (void *ctx, const char *code, const char *name, int64_t value);
+typedef void (*dmap_uint32_cb) (void *ctx, const char *code, const char *name, uint32_t value);
+typedef void (*dmap_uint64_cb) (void *ctx, const char *code, const char *name, uint64_t value);
+typedef void (*dmap_data_cb)   (void *ctx, const char *code, const char *name, const char *buf, size_t len);
+
+typedef struct {
+	/* Callbacks to indicate the start and end of dictionary fields. */
+	dmap_dict_cb   on_dict_start;
+	dmap_dict_cb   on_dict_end;
+
+	/* Callbacks for field data. */
+	dmap_int32_cb  on_int32;
+	dmap_int64_cb  on_int64;
+	dmap_uint32_cb on_uint32;
+	dmap_uint64_cb on_uint64;
+	dmap_uint32_cb on_date;
+	dmap_data_cb   on_string;
+	dmap_data_cb   on_data;
+
+	/** A context pointer passed to each callback function. */
+	void *ctx;
+} dmap_settings;
+
+/**
+ * Returns the library version number.
+ *
+ * The version number format is (major * 1000000) + (minor * 1000) + patch.
+ * For example, the value for version 1.2.3 is 1002003.
+ */
+int dmap_version(void);
+
+/**
+ * Returns the library version as a string.
+ */
+const char *dmap_version_string(void);
+
+/**
+ * Returns the name associated with the provided content code, or NULL if there
+ * is no known name.
+ *
+ * For example, if given the code "minm" this function returns "dmap.itemname".
+ */
+const char *dmap_name_from_code(const char *code);
+
+/**
+ * Parses a DMAP message buffer using the provided settings.
+ *
+ * @param settings A dmap_settings structure populated with the callbacks to
+ *                 invoke during parsing.
+ * @param buf      Pointer to a DMAP message buffer. The buffer must contain a
+ *                 complete message.
+ * @param len      The length of the DMAP message buffer.
+ *
+ * @return 0 if parsing was successful, or -1 if an error occurred.
+ */
+int dmap_parse(const dmap_settings *settings, const char *buf, size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+#endif