Add libxkbcommon to 3rd party libs

This library is required by the XCB platform plugin. As we depend on
very recent version of this library and it might not be available
in base repositories of distributions, users can use -qt-xkbcommom
switch to build Qt with the bundled version.

Change-Id: I0ed2a5cc2f1df98b0e7cc926cabfa69818674e08
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/src/3rdparty/xkbcommon/src/xkbcomp/xkbcomp.c b/src/3rdparty/xkbcommon/src/xkbcomp/xkbcomp.c
new file mode 100644
index 0000000000..b9a1b5ffa6
--- /dev/null
+++ b/src/3rdparty/xkbcommon/src/xkbcomp/xkbcomp.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright © 2009 Dan Nicholson
+ * Copyright © 2012 Intel Corporation
+ * Copyright © 2012 Ran Benita <ran234@gmail.com>
+ *
+ * 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.
+ *
+ * Authors: Dan Nicholson <dbn.lists@gmail.com>
+ *          Ran Benita <ran234@gmail.com>
+ *          Daniel Stone <daniel@fooishbar.org>
+ */
+
+#include "xkbcomp-priv.h"
+#include "rules.h"
+
+static bool
+compile_keymap_file(struct xkb_keymap *keymap, XkbFile *file)
+{
+    if (file->file_type != FILE_TYPE_KEYMAP) {
+        log_err(keymap->ctx,
+                "Cannot compile a %s file alone into a keymap\n",
+                xkb_file_type_to_string(file->file_type));
+        return false;
+    }
+
+    if (!CompileKeymap(file, keymap, MERGE_OVERRIDE)) {
+        log_err(keymap->ctx,
+                "Failed to compile keymap\n");
+        return false;
+    }
+
+    return true;
+}
+
+static bool
+text_v1_keymap_new_from_names(struct xkb_keymap *keymap,
+                              const struct xkb_rule_names *rmlvo)
+{
+    bool ok;
+    struct xkb_component_names kccgst;
+    XkbFile *file;
+
+    log_dbg(keymap->ctx,
+            "Compiling from RMLVO: rules '%s', model '%s', layout '%s', "
+            "variant '%s', options '%s'\n",
+            rmlvo->rules, rmlvo->model, rmlvo->layout, rmlvo->variant,
+            rmlvo->options);
+
+    ok = xkb_components_from_rules(keymap->ctx, rmlvo, &kccgst);
+    if (!ok) {
+        log_err(keymap->ctx,
+                "Couldn't look up rules '%s', model '%s', layout '%s', "
+                "variant '%s', options '%s'\n",
+                rmlvo->rules, rmlvo->model, rmlvo->layout, rmlvo->variant,
+                rmlvo->options);
+        return false;
+    }
+
+    log_dbg(keymap->ctx,
+            "Compiling from KcCGST: keycodes '%s', types '%s', "
+            "compat '%s', symbols '%s'\n",
+            kccgst.keycodes, kccgst.types, kccgst.compat, kccgst.symbols);
+
+    file = XkbFileFromComponents(keymap->ctx, &kccgst);
+
+    free(kccgst.keycodes);
+    free(kccgst.types);
+    free(kccgst.compat);
+    free(kccgst.symbols);
+
+    if (!file) {
+        log_err(keymap->ctx,
+                "Failed to generate parsed XKB file from components\n");
+        return false;
+    }
+
+    ok = compile_keymap_file(keymap, file);
+    FreeXkbFile(file);
+    return ok;
+}
+
+static bool
+text_v1_keymap_new_from_string(struct xkb_keymap *keymap, const char *string)
+{
+    bool ok;
+    XkbFile *xkb_file;
+
+    xkb_file = XkbParseString(keymap->ctx, string, "(input string)");
+    if (!xkb_file) {
+        log_err(keymap->ctx, "Failed to parse input xkb string\n");
+        return NULL;
+    }
+
+    ok = compile_keymap_file(keymap, xkb_file);
+    FreeXkbFile(xkb_file);
+    return ok;
+}
+
+static bool
+text_v1_keymap_new_from_buffer(struct xkb_keymap *keymap,
+                               const char *buffer, size_t length)
+{
+    bool ok;
+    XkbFile *xkb_file;
+    char *buf;
+
+    buf = malloc(length + 2);
+    if (!buf) {
+        log_err(keymap->ctx, "Cannot allocate memory for keymap\n");
+        return NULL;
+    }
+
+    /* yy_scan_buffer requires two terminating zero bytes */
+    memcpy(buf, buffer, length);
+    buf[length] = 0;
+    buf[length + 1] = 0;
+
+    xkb_file = XkbParseBuffer(keymap->ctx, buf, length + 2, "input");
+    if (!xkb_file) {
+        log_err(keymap->ctx, "Failed to parse input xkb file\n");
+        free(buf);
+        return NULL;
+    }
+
+    ok = compile_keymap_file(keymap, xkb_file);
+    FreeXkbFile(xkb_file);
+    free(buf);
+    return ok;
+}
+
+static bool
+text_v1_keymap_new_from_file(struct xkb_keymap *keymap, FILE *file)
+{
+    bool ok;
+    XkbFile *xkb_file;
+
+    xkb_file = XkbParseFile(keymap->ctx, file, "(unknown file)", NULL);
+    if (!xkb_file) {
+        log_err(keymap->ctx, "Failed to parse input xkb file\n");
+        return false;
+    }
+
+    ok = compile_keymap_file(keymap, xkb_file);
+    FreeXkbFile(xkb_file);
+    return ok;
+}
+
+const struct xkb_keymap_format_ops text_v1_keymap_format_ops = {
+    .keymap_new_from_names = text_v1_keymap_new_from_names,
+    .keymap_new_from_string = text_v1_keymap_new_from_string,
+    .keymap_new_from_buffer = text_v1_keymap_new_from_buffer,
+    .keymap_new_from_file = text_v1_keymap_new_from_file,
+    .keymap_get_as_string = text_v1_keymap_get_as_string,
+};