/*
* 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"),
* Author: Daniel Stone <daniel@fooishbar.org>
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
-#include <stdio.h>
-#include <unistd.h>
+#include <errno.h>
#include "xkbcommon/xkbcommon.h"
-#include "XKBcommonint.h"
#include "utils.h"
+#include "context.h"
-struct xkb_context {
- int refcnt;
- char **include_paths;
- int num_include_paths;
- int size_include_paths;
-};
/**
* Append one directory to the context's include path.
*/
-int
-xkb_context_include_path_append(struct xkb_context *context, const char *path)
+XKB_EXPORT int
+xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
{
struct stat stat_buf;
- int err;
-
- if (context->size_include_paths <= context->num_include_paths) {
- int new_size;
- char **new_paths;
- new_size = context->size_include_paths + 2;
- new_paths = uTypedRecalloc(context->include_paths,
- context->size_include_paths,
- new_size,
- typeof(new_paths));
- if (!new_paths)
- return 0;
- context->include_paths = new_paths;
- context->size_include_paths = new_size;
- }
+ int err = ENOMEM;
+ char *tmp;
+
+ tmp = strdup(path);
+ if (!tmp)
+ goto err;
err = stat(path, &stat_buf);
- if (err != 0)
- return 0;
- if (!S_ISDIR(stat_buf.st_mode))
- return 0;
- if (eaccess(path, R_OK | X_OK) != 0)
- return 0;
-
- context->include_paths[context->num_include_paths] = strdup(path);
- if (!context->include_paths[context->num_include_paths])
- return 0;
- context->num_include_paths++;
+ if (err != 0) {
+ err = errno;
+ goto err;
+ }
+ if (!S_ISDIR(stat_buf.st_mode)) {
+ err = ENOTDIR;
+ goto err;
+ }
+
+ if (!check_eaccess(path, R_OK | X_OK)) {
+ err = EACCES;
+ goto err;
+ }
+
+ darray_append(ctx->includes, tmp);
+ log_dbg(ctx, "Include path added: %s\n", tmp);
return 1;
+
+err:
+ darray_append(ctx->failed_includes, tmp);
+ log_dbg(ctx, "Include path failed: %s (%s)\n", tmp, strerror(err));
+ return 0;
+}
+
+const char *
+xkb_context_include_path_get_extra_path(struct xkb_context *ctx)
+{
+ const char *extra = xkb_context_getenv(ctx, "XKB_CONFIG_EXTRA_PATH");
+ return extra ? extra : DFLT_XKB_CONFIG_EXTRA_PATH;
+}
+
+const char *
+xkb_context_include_path_get_system_path(struct xkb_context *ctx)
+{
+ const char *root = xkb_context_getenv(ctx, "XKB_CONFIG_ROOT");
+ return root ? root : DFLT_XKB_CONFIG_ROOT;
}
/**
* Append the default include directories to the context.
*/
-int
-xkb_context_include_path_append_default(struct xkb_context *context)
+XKB_EXPORT int
+xkb_context_include_path_append_default(struct xkb_context *ctx)
{
- const char *home = getenv("HOME");
+ const char *home, *xdg, *root, *extra;
char *user_path;
- int err;
+ int ret = 0;
+
+ home = xkb_context_getenv(ctx, "HOME");
- (void) xkb_context_include_path_append(context, DFLT_XKB_CONFIG_ROOT);
+ xdg = xkb_context_getenv(ctx, "XDG_CONFIG_HOME");
+ if (xdg != NULL) {
+ user_path = asprintf_safe("%s/xkb", xdg);
+ if (user_path) {
+ ret |= xkb_context_include_path_append(ctx, user_path);
+ free(user_path);
+ }
+ } else if (home != NULL) {
+ /* XDG_CONFIG_HOME fallback is $HOME/.config/ */
+ user_path = asprintf_safe("%s/.config/xkb", home);
+ if (user_path) {
+ ret |= xkb_context_include_path_append(ctx, user_path);
+ free(user_path);
+ }
+ }
- home = getenv("HOME");
- if (!home)
- return 1;
- err = asprintf(&user_path, "%s/.xkb", home);
- if (err <= 0)
- return 1;
- (void) xkb_context_include_path_append(context, user_path);
- free(user_path);
+ if (home != NULL) {
+ user_path = asprintf_safe("%s/.xkb", home);
+ if (user_path) {
+ ret |= xkb_context_include_path_append(ctx, user_path);
+ free(user_path);
+ }
+ }
- return 1;
+ extra = xkb_context_include_path_get_extra_path(ctx);
+ ret |= xkb_context_include_path_append(ctx, extra);
+ root = xkb_context_include_path_get_system_path(ctx);
+ ret |= xkb_context_include_path_append(ctx, root);
+
+ return ret;
}
/**
* Remove all entries in the context's include path.
*/
-void
-xkb_context_include_path_clear(struct xkb_context *context)
+XKB_EXPORT void
+xkb_context_include_path_clear(struct xkb_context *ctx)
{
- int i;
+ char **path;
- for (i = 0; i < context->num_include_paths; i++) {
- free(context->include_paths[i]);
- context->include_paths[i] = NULL;
- }
- free(context->include_paths);
- context->include_paths = NULL;
- context->num_include_paths = 0;
+ darray_foreach(path, ctx->includes)
+ free(*path);
+ darray_free(ctx->includes);
+
+ darray_foreach(path, ctx->failed_includes)
+ free(*path);
+ darray_free(ctx->failed_includes);
}
/**
* xkb_context_include_path_clear() + xkb_context_include_path_append_default()
*/
-int
-xkb_context_include_path_reset_defaults(struct xkb_context *context)
+XKB_EXPORT int
+xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
{
- xkb_context_include_path_clear(context);
- return xkb_context_include_path_append_default(context);
+ xkb_context_include_path_clear(ctx);
+ return xkb_context_include_path_append_default(ctx);
}
/**
* Returns the number of entries in the context's include path.
*/
-unsigned int
-xkb_context_num_include_paths(struct xkb_context *context)
+XKB_EXPORT unsigned int
+xkb_context_num_include_paths(struct xkb_context *ctx)
{
- return context->num_include_paths;
+ return darray_size(ctx->includes);
}
/**
* Returns the given entry in the context's include path, or NULL if an
* invalid index is passed.
*/
-const char *
-xkb_context_include_path_get(struct xkb_context *context, unsigned int idx)
+XKB_EXPORT const char *
+xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
{
- if (idx >= xkb_context_num_include_paths(context))
+ if (idx >= xkb_context_num_include_paths(ctx))
return NULL;
- return context->include_paths[idx];
+ return darray_item(ctx->includes, idx);
}
/**
* Take a new reference on the context.
*/
-void
-xkb_context_ref(struct xkb_context *context)
+XKB_EXPORT struct xkb_context *
+xkb_context_ref(struct xkb_context *ctx)
{
- context->refcnt++;
+ ctx->refcnt++;
+ return ctx;
}
/**
* Drop an existing reference on the context, and free it if the refcnt is
* now 0.
*/
-void
-xkb_context_unref(struct xkb_context *context)
+XKB_EXPORT void
+xkb_context_unref(struct xkb_context *ctx)
{
- if (--context->refcnt > 0)
+ if (!ctx || --ctx->refcnt > 0)
return;
- xkb_context_include_path_clear(context);
- free(context);
+ free(ctx->x11_atom_cache);
+ xkb_context_include_path_clear(ctx);
+ atom_table_free(ctx->atom_table);
+ free(ctx);
+}
+
+static const char *
+log_level_to_prefix(enum xkb_log_level level)
+{
+ switch (level) {
+ case XKB_LOG_LEVEL_DEBUG:
+ return "xkbcommon: DEBUG: ";
+ case XKB_LOG_LEVEL_INFO:
+ return "xkbcommon: INFO: ";
+ case XKB_LOG_LEVEL_WARNING:
+ return "xkbcommon: WARNING: ";
+ case XKB_LOG_LEVEL_ERROR:
+ return "xkbcommon: ERROR: ";
+ case XKB_LOG_LEVEL_CRITICAL:
+ return "xkbcommon: CRITICAL: ";
+ default:
+ return NULL;
+ }
+}
+
+ATTR_PRINTF(3, 0) static void
+default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
+ const char *fmt, va_list args)
+{
+ const char *prefix = log_level_to_prefix(level);
+
+ if (prefix)
+ fprintf(stderr, "%s", prefix);
+ vfprintf(stderr, fmt, args);
+}
+
+static enum xkb_log_level
+log_level(const char *level) {
+ char *endptr;
+ enum xkb_log_level lvl;
+
+ errno = 0;
+ lvl = strtol(level, &endptr, 10);
+ if (errno == 0 && (endptr[0] == '\0' || is_space(endptr[0])))
+ return lvl;
+ if (istreq_prefix("crit", level))
+ return XKB_LOG_LEVEL_CRITICAL;
+ if (istreq_prefix("err", level))
+ return XKB_LOG_LEVEL_ERROR;
+ if (istreq_prefix("warn", level))
+ return XKB_LOG_LEVEL_WARNING;
+ if (istreq_prefix("info", level))
+ return XKB_LOG_LEVEL_INFO;
+ if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
+ return XKB_LOG_LEVEL_DEBUG;
+
+ return XKB_LOG_LEVEL_ERROR;
+}
+
+static int
+log_verbosity(const char *verbosity) {
+ char *endptr;
+ int v;
+
+ errno = 0;
+ v = strtol(verbosity, &endptr, 10);
+ if (errno == 0)
+ return v;
+
+ return 0;
}
/**
* Create a new context.
*/
-struct xkb_context *
-xkb_context_new(void)
+XKB_EXPORT struct xkb_context *
+xkb_context_new(enum xkb_context_flags flags)
{
- struct xkb_context *context = calloc(1, sizeof(*context));
+ const char *env;
+ struct xkb_context *ctx = calloc(1, sizeof(*ctx));
- if (!context)
+ if (!ctx)
return NULL;
- context->refcnt = 1;
+ ctx->refcnt = 1;
+ ctx->log_fn = default_log_fn;
+ ctx->log_level = XKB_LOG_LEVEL_ERROR;
+ ctx->log_verbosity = 0;
+ ctx->use_environment_names = !(flags & XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
+ ctx->use_secure_getenv = !(flags & XKB_CONTEXT_NO_SECURE_GETENV);
+
+ /* Environment overwrites defaults. */
+ env = xkb_context_getenv(ctx, "XKB_LOG_LEVEL");
+ if (env)
+ xkb_context_set_log_level(ctx, log_level(env));
+
+ env = xkb_context_getenv(ctx, "XKB_LOG_VERBOSITY");
+ if (env)
+ xkb_context_set_log_verbosity(ctx, log_verbosity(env));
- if (!xkb_context_include_path_append_default(context)) {
- xkb_context_unref(context);
+ if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
+ !xkb_context_include_path_append_default(ctx)) {
+ log_err(ctx, "failed to add default include path %s\n",
+ DFLT_XKB_CONFIG_ROOT);
+ xkb_context_unref(ctx);
return NULL;
}
- return context;
+ ctx->atom_table = atom_table_new();
+ if (!ctx->atom_table) {
+ xkb_context_unref(ctx);
+ return NULL;
+ }
+
+ ctx->x11_atom_cache = NULL;
+
+ return ctx;
+}
+
+XKB_EXPORT void
+xkb_context_set_log_fn(struct xkb_context *ctx,
+ void (*log_fn)(struct xkb_context *ctx,
+ enum xkb_log_level level,
+ const char *fmt, va_list args))
+{
+ ctx->log_fn = (log_fn ? log_fn : default_log_fn);
+}
+
+XKB_EXPORT enum xkb_log_level
+xkb_context_get_log_level(struct xkb_context *ctx)
+{
+ return ctx->log_level;
+}
+
+XKB_EXPORT void
+xkb_context_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
+{
+ ctx->log_level = level;
+}
+
+XKB_EXPORT int
+xkb_context_get_log_verbosity(struct xkb_context *ctx)
+{
+ return ctx->log_verbosity;
+}
+
+XKB_EXPORT void
+xkb_context_set_log_verbosity(struct xkb_context *ctx, int verbosity)
+{
+ ctx->log_verbosity = verbosity;
+}
+
+XKB_EXPORT void *
+xkb_context_get_user_data(struct xkb_context *ctx)
+{
+ if (ctx)
+ return ctx->user_data;
+ return NULL;
+}
+
+XKB_EXPORT void
+xkb_context_set_user_data(struct xkb_context *ctx, void *user_data)
+{
+ ctx->user_data = user_data;
}