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/*
* Copyright © 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Daniel Stone <daniel@fooishbar.org>
*/
#ifndef CONTEXT_H
#define CONTEXT_H
#include "atom.h"
struct xkb_context {
int refcnt;
ATTR_PRINTF(3, 0) void (*log_fn)(struct xkb_context *ctx,
enum xkb_log_level level,
const char *fmt, va_list args);
enum xkb_log_level log_level;
int log_verbosity;
void *user_data;
struct xkb_rule_names names_dflt;
darray(char *) includes;
darray(char *) failed_includes;
struct atom_table *atom_table;
/* Buffer for the *Text() functions. */
char text_buffer[2048];
size_t text_next;
unsigned int use_environment_names : 1;
};
unsigned int
xkb_context_num_failed_include_paths(struct xkb_context *ctx);
const char *
xkb_context_failed_include_path_get(struct xkb_context *ctx,
unsigned int idx);
const char *
xkb_context_include_path_get_system_path(struct xkb_context *ctx);
/*
* Returns XKB_ATOM_NONE if @string was not previously interned,
* otherwise returns the atom.
*/
xkb_atom_t
xkb_atom_lookup(struct xkb_context *ctx, const char *string);
xkb_atom_t
xkb_atom_intern(struct xkb_context *ctx, const char *string, size_t len);
#define xkb_atom_intern_literal(ctx, literal) \
xkb_atom_intern((ctx), (literal), sizeof(literal) - 1)
/**
* If @string is dynamically allocated, NUL-terminated, free'd immediately
* after being interned, and not used afterwards, use this function
* instead of xkb_atom_intern to avoid some unnecessary allocations.
* The caller should not use or free the passed in string afterwards.
*/
xkb_atom_t
xkb_atom_steal(struct xkb_context *ctx, char *string);
const char *
xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom);
char *
xkb_context_get_buffer(struct xkb_context *ctx, size_t size);
ATTR_PRINTF(4, 5) void
xkb_log(struct xkb_context *ctx, enum xkb_log_level level, int verbosity,
const char *fmt, ...);
void
xkb_context_sanitize_rule_names(struct xkb_context *ctx,
struct xkb_rule_names *rmlvo);
/*
* The format is not part of the argument list in order to avoid the
* "ISO C99 requires rest arguments to be used" warning when only the
* format is supplied without arguments. Not supplying it would still
* result in an error, though.
*/
#define log_dbg(ctx, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_DEBUG, 0, __VA_ARGS__)
#define log_info(ctx, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_INFO, 0, __VA_ARGS__)
#define log_warn(ctx, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_WARNING, 0, __VA_ARGS__)
#define log_err(ctx, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_ERROR, 0, __VA_ARGS__)
#define log_wsgo(ctx, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_CRITICAL, 0, __VA_ARGS__)
#define log_vrb(ctx, vrb, ...) \
xkb_log((ctx), XKB_LOG_LEVEL_WARNING, (vrb), __VA_ARGS__)
/*
* Variants which are prefixed by the name of the function they're
* called from.
* Here we must have the silly 1 variant.
*/
#define log_err_func(ctx, fmt, ...) \
log_err(ctx, "%s: " fmt, __func__, __VA_ARGS__)
#define log_err_func1(ctx, fmt) \
log_err(ctx, "%s: " fmt, __func__)
#endif
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