platform2: Move Error class from Buffet to libchromeos
Moved buffet::Error class and related facilities to
libchromeos and changed the namespace to 'chromeos::'.
Updated a bunch of code to include the header files
from the new location and referring to the new
namespace.
BUG=chromium:403604
TEST=USE=buffet ./build_packages
FEATURES=test emerge-link libchromeos
USE=buffet FEATURES=test emerge-link platform2
Change-Id: I0b5b37ccd7ee3b7be9467ebfae5d172d9b057cf6
Reviewed-on: https://chromium-review.googlesource.com/212525
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
diff --git a/chromeos/error.cc b/chromeos/error.cc
new file mode 100644
index 0000000..8ac0c98
--- /dev/null
+++ b/chromeos/error.cc
@@ -0,0 +1,80 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromeos/error.h"
+
+#include <base/logging.h>
+#include <base/strings/stringprintf.h>
+
+using chromeos::Error;
+using chromeos::ErrorPtr;
+
+ErrorPtr Error::Create(const std::string& domain,
+ const std::string& code,
+ const std::string& message) {
+ return Create(domain, code, message, ErrorPtr());
+}
+
+ErrorPtr Error::Create(const std::string& domain,
+ const std::string& code,
+ const std::string& message,
+ ErrorPtr inner_error) {
+ LOG(ERROR) << "Error::Create: Domain=" << domain
+ << ", Code=" << code << ", Message=" << message;
+ return ErrorPtr(new Error(domain, code, message, std::move(inner_error)));
+}
+
+void Error::AddTo(ErrorPtr* error, const std::string& domain,
+ const std::string& code, const std::string& message) {
+ if (error) {
+ *error = Create(domain, code, message, std::move(*error));
+ } else {
+ // Create already logs the error, but if |error| is nullptr,
+ // we still want to log the error...
+ LOG(ERROR) << "Error::Create: Domain=" << domain
+ << ", Code=" << code << ", Message=" << message;
+ }
+}
+
+void Error::AddToPrintf(ErrorPtr* error, const std::string& domain,
+ const std::string& code, const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ std::string message = base::StringPrintV(format, ap);
+ va_end(ap);
+ AddTo(error, domain, code, message);
+}
+
+bool Error::HasDomain(const std::string& domain) const {
+ const Error* err = this;
+ while (err) {
+ if (err->GetDomain() == domain)
+ return true;
+ err = err->GetInnerError();
+ }
+ return false;
+}
+
+bool Error::HasError(const std::string& domain, const std::string& code) const {
+ const Error* err = this;
+ while (err) {
+ if (err->GetDomain() == domain && err->GetCode() == code)
+ return true;
+ err = err->GetInnerError();
+ }
+ return false;
+}
+
+const Error* Error::GetFirstError() const {
+ const Error* err = this;
+ while (err->GetInnerError())
+ err = err->GetInnerError();
+ return err;
+}
+
+Error::Error(const std::string& domain, const std::string& code,
+ const std::string& message, ErrorPtr inner_error) :
+ domain_(domain), code_(code), message_(message),
+ inner_error_(std::move(inner_error)) {
+}