1 files changed, 133 insertions, 0 deletions
diff --git a/src/context.h b/src/context.h
new file mode 100644
index 0000000..ead2508
--- /dev/null
+++ b/src/context.h
@@ -0,0 +1,133 @@
+/*
+ * 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_extra_path(struct xkb_context *ctx);
+
+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