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Unified Diff: icu46/source/common/bytestream.cpp

Issue 5516007: Check in the pristine copy of ICU 4.6... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 10 years ago
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Index: icu46/source/common/bytestream.cpp
===================================================================
--- icu46/source/common/bytestream.cpp (revision 0)
+++ icu46/source/common/bytestream.cpp (revision 0)
@@ -0,0 +1,73 @@
+// Copyright (C) 2009-2010, International Business Machines
+// Corporation and others. All Rights Reserved.
+//
+// Copyright 2007 Google Inc. All Rights Reserved.
+// Author: sanjay@google.com (Sanjay Ghemawat)
+
+#include "unicode/utypes.h"
+#include "unicode/bytestream.h"
+#include "cmemory.h"
+
+U_NAMESPACE_BEGIN
+
+char* ByteSink::GetAppendBuffer(int32_t min_capacity,
+ int32_t /*desired_capacity_hint*/,
+ char* scratch, int32_t scratch_capacity,
+ int32_t* result_capacity) {
+ if (min_capacity < 1 || scratch_capacity < min_capacity) {
+ *result_capacity = 0;
+ return NULL;
+ }
+ *result_capacity = scratch_capacity;
+ return scratch;
+}
+
+void ByteSink::Flush() {}
+
+CheckedArrayByteSink::CheckedArrayByteSink(char* outbuf, int32_t capacity)
+ : outbuf_(outbuf), capacity_(capacity < 0 ? 0 : capacity),
+ size_(0), appended_(0), overflowed_(FALSE) {
+}
+
+CheckedArrayByteSink& CheckedArrayByteSink::Reset() {
+ size_ = appended_ = 0;
+ overflowed_ = FALSE;
+ return *this;
+}
+
+void CheckedArrayByteSink::Append(const char* bytes, int32_t n) {
+ if (n <= 0) {
+ return;
+ }
+ appended_ += n;
+ int32_t available = capacity_ - size_;
+ if (n > available) {
+ n = available;
+ overflowed_ = TRUE;
+ }
+ if (n > 0 && bytes != (outbuf_ + size_)) {
+ uprv_memcpy(outbuf_ + size_, bytes, n);
+ }
+ size_ += n;
+}
+
+char* CheckedArrayByteSink::GetAppendBuffer(int32_t min_capacity,
+ int32_t /*desired_capacity_hint*/,
+ char* scratch,
+ int32_t scratch_capacity,
+ int32_t* result_capacity) {
+ if (min_capacity < 1 || scratch_capacity < min_capacity) {
+ *result_capacity = 0;
+ return NULL;
+ }
+ int32_t available = capacity_ - size_;
+ if (available >= min_capacity) {
+ *result_capacity = available;
+ return outbuf_ + size_;
+ } else {
+ *result_capacity = scratch_capacity;
+ return scratch;
+ }
+}
+
+U_NAMESPACE_END
Property changes on: icu46/source/common/bytestream.cpp
___________________________________________________________________
Added: svn:eol-style
+ LF
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