1 files changed, 76 insertions, 0 deletions
diff --git a/src/x/error.cc b/src/x/error.cc
new file mode 100644
index 0000000..5b060c8
--- /dev/null
+++ b/src/x/error.cc
@@ -0,0 +1,76 @@
+// Copyright 2021 Benjamin Barenblat
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "src/x/error.h"
+
+#include <stdint.h>
+#include <xcb/xcb.h>
+
+#include <stdexcept>
+
+#include "src/util.h"
+#include "third_party/abseil/absl/strings/str_cat.h"
+
+namespace x {
+
+namespace {
+
+const char* StatusCodeName(uint8_t code) noexcept {
+  switch (code) {
+    case XCB_REQUEST:
+      return "Request";
+    case XCB_VALUE:
+      return "Value";
+    case XCB_WINDOW:
+      return "Window";
+    case XCB_PIXMAP:
+      return "Pixmap";
+    case XCB_ATOM:
+      return "Atom";
+    case XCB_CURSOR:
+      return "Cursor";
+    case XCB_FONT:
+      return "Font";
+    case XCB_MATCH:
+      return "Match";
+    case XCB_DRAWABLE:
+      return "Drawable";
+    case XCB_ACCESS:
+      return "Access";
+    case XCB_ALLOC:
+      return "Alloc";
+    case XCB_COLORMAP:
+      return "Colormap";
+    case XCB_G_CONTEXT:
+      return "XCB_Context";
+    case XCB_ID_CHOICE:
+      return "XCB_Choice";
+    case XCB_NAME:
+      return "Name";
+    case XCB_LENGTH:
+      return "Length";
+    case XCB_IMPLEMENTATION:
+      return "Implementation";
+    default:
+      DCHECK(false);
+      return "unknown error";
+  }
+}
+
+}  // namespace
+
+Error::Error(uint8_t code) noexcept
+    : std::runtime_error(absl::StrCat("X error: ", StatusCodeName(code))) {}
+
+}  // namespace x