1 files changed, 130 insertions, 0 deletions
diff --git a/sfntly/data/font_output_stream.cc b/sfntly/data/font_output_stream.cc
new file mode 100644
index 0000000..3422a22
--- /dev/null
+++ b/sfntly/data/font_output_stream.cc
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2011 Google Inc. All Rights Reserved.
+ *
+ * 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
+ *
+ *      http://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 "sfntly/data/font_output_stream.h"
+
+#include <algorithm>
+
+namespace sfntly {
+
+FontOutputStream::FontOutputStream(OutputStream* os)
+    : stream_(os),
+      position_(0) {
+}
+
+FontOutputStream::~FontOutputStream() {
+  // Do not close, underlying stream shall clean up themselves.
+}
+
+void FontOutputStream::Write(byte_t b) {
+  if (stream_) {
+    stream_->Write(b);
+    position_++;
+  }
+}
+
+void FontOutputStream::Write(ByteVector* b) {
+  if (b) {
+    Write(b, 0, b->size());
+    position_ += b->size();
+  }
+}
+
+void FontOutputStream::Write(ByteVector* b, int32_t off, int32_t len) {
+  assert(b);
+  assert(stream_);
+  if (off < 0 || len < 0 || off + len < 0 ||
+      static_cast<size_t>(off + len) > b->size()) {
+#if !defined (SFNTLY_NO_EXCEPTION)
+    throw IndexOutOfBoundException();
+#else
+    return;
+#endif
+  }
+
+  stream_->Write(b, off, len);
+  position_ += len;
+}
+
+void FontOutputStream::Write(byte_t* b, int32_t off, int32_t len) {
+  assert(b);
+  assert(stream_);
+  if (off < 0 || len < 0 || off + len < 0) {
+#if !defined (SFNTLY_NO_EXCEPTION)
+    throw IndexOutOfBoundException();
+#else
+    return;
+#endif
+  }
+
+  stream_->Write(b, off, len);
+  position_ += len;
+}
+
+void FontOutputStream::WriteChar(byte_t c) {
+  Write(c);
+}
+
+void FontOutputStream::WriteUShort(int32_t us) {
+  Write((byte_t)((us >> 8) & 0xff));
+  Write((byte_t)(us & 0xff));
+}
+
+void FontOutputStream::WriteShort(int32_t s) {
+  WriteUShort(s);
+}
+
+void FontOutputStream::WriteUInt24(int32_t ui) {
+  Write((byte_t)(ui >> 16) & 0xff);
+  Write((byte_t)(ui >> 8) & 0xff);
+  Write((byte_t)ui & 0xff);
+}
+
+void FontOutputStream::WriteULong(int64_t ul) {
+  Write((byte_t)((ul >> 24) & 0xff));
+  Write((byte_t)((ul >> 16) & 0xff));
+  Write((byte_t)((ul >> 8) & 0xff));
+  Write((byte_t)(ul & 0xff));
+}
+
+void FontOutputStream::WriteLong(int64_t l) {
+  WriteULong(l);
+}
+
+void FontOutputStream::WriteFixed(int32_t f) {
+  WriteULong(f);
+}
+
+void FontOutputStream::WriteDateTime(int64_t date) {
+  WriteULong((date >> 32) & 0xffffffff);
+  WriteULong(date & 0xffffffff);
+}
+
+void FontOutputStream::Flush() {
+  if (stream_) {
+    stream_->Flush();
+  }
+}
+
+void FontOutputStream::Close() {
+  if (stream_) {
+    stream_->Flush();
+    stream_->Close();
+    position_ = 0;
+  }
+}
+
+}  // namespace sfntly