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Diffstat (limited to 'src/context-priv.c')
| -rw-r--r-- | src/context-priv.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/context-priv.c b/src/context-priv.c new file mode 100644 index 0000000..8eaa579 --- /dev/null +++ b/src/context-priv.c @@ -0,0 +1,177 @@ +/* + * Copyright © 2012 Intel Corporation + * Copyright © 2012 Ran Benita + * + * 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> + */ + +#include "config.h" + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +#include "xkbcommon/xkbcommon.h" +#include "utils.h" +#include "context.h" + +unsigned int +xkb_context_num_failed_include_paths(struct xkb_context *ctx) +{ + return darray_size(ctx->failed_includes); +} + +const char * +xkb_context_failed_include_path_get(struct xkb_context *ctx, + unsigned int idx) +{ + if (idx >= xkb_context_num_failed_include_paths(ctx)) + return NULL; + + return darray_item(ctx->failed_includes, idx); +} + +xkb_atom_t +xkb_atom_lookup(struct xkb_context *ctx, const char *string) +{ + return atom_intern(ctx->atom_table, string, strlen(string), false); +} + +xkb_atom_t +xkb_atom_intern(struct xkb_context *ctx, const char *string, size_t len) +{ + return atom_intern(ctx->atom_table, string, len, true); +} + +const char * +xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom) +{ + return atom_text(ctx->atom_table, atom); +} + +void +xkb_log(struct xkb_context *ctx, enum xkb_log_level level, int verbosity, + const char *fmt, ...) +{ + va_list args; + + if (ctx->log_level < level || ctx->log_verbosity < verbosity) + return; + + va_start(args, fmt); + ctx->log_fn(ctx, level, fmt, args); + va_end(args); +} + +char * +xkb_context_get_buffer(struct xkb_context *ctx, size_t size) +{ + char *rtrn; + + if (size >= sizeof(ctx->text_buffer)) + return NULL; + + if (sizeof(ctx->text_buffer) - ctx->text_next <= size) + ctx->text_next = 0; + + rtrn = &ctx->text_buffer[ctx->text_next]; + ctx->text_next += size; + + return rtrn; +} + +static const char * +xkb_context_get_default_rules(struct xkb_context *ctx) +{ + const char *env = NULL; + + if (ctx->use_environment_names) + env = secure_getenv("XKB_DEFAULT_RULES"); + + return env ? env : DEFAULT_XKB_RULES; +} + +static const char * +xkb_context_get_default_model(struct xkb_context *ctx) +{ + const char *env = NULL; + + if (ctx->use_environment_names) + env = secure_getenv("XKB_DEFAULT_MODEL"); + + return env ? env : DEFAULT_XKB_MODEL; +} + +static const char * +xkb_context_get_default_layout(struct xkb_context *ctx) +{ + const char *env = NULL; + + if (ctx->use_environment_names) + env = secure_getenv("XKB_DEFAULT_LAYOUT"); + + return env ? env : DEFAULT_XKB_LAYOUT; +} + +static const char * +xkb_context_get_default_variant(struct xkb_context *ctx) +{ + const char *env = NULL; + const char *layout = secure_getenv("XKB_DEFAULT_LAYOUT"); + + /* We don't want to inherit the variant if they haven't also set a + * layout, since they're so closely paired. */ + if (layout && ctx->use_environment_names) + env = secure_getenv("XKB_DEFAULT_VARIANT"); + + return env ? env : DEFAULT_XKB_VARIANT; +} + +static const char * +xkb_context_get_default_options(struct xkb_context *ctx) +{ + const char *env = NULL; + + if (ctx->use_environment_names) + env = secure_getenv("XKB_DEFAULT_OPTIONS"); + + return env ? env : DEFAULT_XKB_OPTIONS; +} + +void +xkb_context_sanitize_rule_names(struct xkb_context *ctx, + struct xkb_rule_names *rmlvo) +{ + if (isempty(rmlvo->rules)) + rmlvo->rules = xkb_context_get_default_rules(ctx); + if (isempty(rmlvo->model)) + rmlvo->model = xkb_context_get_default_model(ctx); + /* Layout and variant are tied together, so don't try to use one from + * the caller and one from the environment. */ + if (isempty(rmlvo->layout)) { + rmlvo->layout = xkb_context_get_default_layout(ctx); + rmlvo->variant = xkb_context_get_default_variant(ctx); + } + /* Options can be empty, so respect that if passed in. */ + if (rmlvo->options == NULL) + rmlvo->options = xkb_context_get_default_options(ctx); +} |