From 4db67120efca2d4c200d2e1ba5cf3d7b97cab97e Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 22 Sep 2018 20:38:01 +0200 Subject: Install standard headers to simpler include paths --- lv2/log/log.h | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 lv2/log/log.h (limited to 'lv2/log/log.h') diff --git a/lv2/log/log.h b/lv2/log/log.h new file mode 100644 index 0000000..11bb35a --- /dev/null +++ b/lv2/log/log.h @@ -0,0 +1,109 @@ +/* + Copyright 2012-2016 David Robillard + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + @defgroup log Log + + Interface for plugins to log via the host; see + for details. + + @{ +*/ + +#ifndef LV2_LOG_H +#define LV2_LOG_H + +#define LV2_LOG_URI "http://lv2plug.in/ns/ext/log" ///< http://lv2plug.in/ns/ext/log +#define LV2_LOG_PREFIX LV2_LOG_URI "#" ///< http://lv2plug.in/ns/ext/log# + +#define LV2_LOG__Entry LV2_LOG_PREFIX "Entry" ///< http://lv2plug.in/ns/ext/log#Entry +#define LV2_LOG__Error LV2_LOG_PREFIX "Error" ///< http://lv2plug.in/ns/ext/log#Error +#define LV2_LOG__Note LV2_LOG_PREFIX "Note" ///< http://lv2plug.in/ns/ext/log#Note +#define LV2_LOG__Trace LV2_LOG_PREFIX "Trace" ///< http://lv2plug.in/ns/ext/log#Trace +#define LV2_LOG__Warning LV2_LOG_PREFIX "Warning" ///< http://lv2plug.in/ns/ext/log#Warning +#define LV2_LOG__log LV2_LOG_PREFIX "log" ///< http://lv2plug.in/ns/ext/log#log + +#include + +#include "lv2/urid/urid.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** @cond */ +#ifdef __GNUC__ +/** Allow type checking of printf-like functions. */ +# define LV2_LOG_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1))) +#else +# define LV2_LOG_FUNC(fmt, arg1) +#endif +/** @endcond */ + +/** + Opaque data to host data for LV2_Log_Log. +*/ +typedef void* LV2_Log_Handle; + +/** + Log feature (LV2_LOG__log) +*/ +typedef struct _LV2_Log { + /** + Opaque pointer to host data. + + This MUST be passed to methods in this struct whenever they are called. + Otherwise, it must not be interpreted in any way. + */ + LV2_Log_Handle handle; + + /** + Log a message, passing format parameters directly. + + The API of this function matches that of the standard C printf function, + except for the addition of the first two parameters. This function may + be called from any non-realtime context, or from any context if `type` + is @ref LV2_LOG__Trace. + */ + LV2_LOG_FUNC(3, 4) + int (*printf)(LV2_Log_Handle handle, + LV2_URID type, + const char* fmt, ...); + + /** + Log a message, passing format parameters in a va_list. + + The API of this function matches that of the standard C vprintf + function, except for the addition of the first two parameters. This + function may be called from any non-realtime context, or from any + context if `type` is @ref LV2_LOG__Trace. + */ + LV2_LOG_FUNC(3, 0) + int (*vprintf)(LV2_Log_Handle handle, + LV2_URID type, + const char* fmt, + va_list ap); +} LV2_Log_Log; + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* LV2_LOG_H */ + +/** + @} +*/ -- cgit v1.2.1