Index: runtime/embedders/openglui/emulator/emulator_resource.h |
=================================================================== |
--- runtime/embedders/openglui/emulator/emulator_resource.h (revision 0) |
+++ runtime/embedders/openglui/emulator/emulator_resource.h (revision 0) |
@@ -0,0 +1,63 @@ |
+// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+#ifndef EMBEDDERS_OPENGLUI_EMULATOR_EMULATOR_RESOURCE_H_ |
+#define EMBEDDERS_OPENGLUI_EMULATOR_EMULATOR_RESOURCE_H_ |
+ |
+#include <fcntl.h> |
+#include <sys/stat.h> |
+#include <sys/types.h> |
+ |
+#include "embedders/openglui/common/log.h" |
+#include "embedders/openglui/common/resource.h" |
+ |
+class EmulatorResource : public Resource { |
+ public: |
+ explicit EmulatorResource(const char* path) |
+ : base(path), |
+ fd_(-1) { |
+ } |
+ |
+ int32_t descriptor() { |
+ if (fd_ < 0) { |
+ Open(); |
+ } |
+ return fd_; |
+ } |
+ |
+ off_t length() { |
+ if (length_ < 0) { |
+ length_ = lseek(fd), 0, SEEK_END); |
+ lseek(fd), 0, SEEK_START); |
+ } |
+ return length_; |
+ } |
+ |
+ int32_t Open() { |
+ fd_ = open(path_, 0); |
+ if (fd_ >= 0) { |
+ return 0; |
+ } |
+ LOGE("Could not open asset %s", path_); |
+ return -1; |
+ } |
+ |
+ void Close() { |
+ if (fd_ >= 0) { |
+ close(fd_); |
+ fd_ = -1; |
+ } |
+ } |
+ |
+ int32_t Read(void* buffer, size_t count) { |
+ size_t actual = read(asset_, buffer, count); |
+ return (actual == count) ? 0 : -1; |
+ } |
+ |
+ private: |
+ int fd_; |
+}; |
+ |
+#endif // EMBEDDERS_OPENGLUI_EMULATOR_EMULATOR_RESOURCE_H_ |
+ |