81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is [Open Source Virtual Machine.].
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*
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* The Initial Developer of the Original Code is
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* Adobe System Incorporated.
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* Portions created by the Initial Developer are Copyright (C) 2004-2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Adobe AS3 Team
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "avmplus.h"
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namespace avmplus
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{
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using namespace MMgc;
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StringOutputStream::StringOutputStream(GC *gc)
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{
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GCAssert(!gc->IsPointerToGCPage(this));
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m_buffer = (char*) gc->Alloc(kInitialCapacity);
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m_buffer[0] = 0;
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m_length = 0;
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}
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StringOutputStream::~StringOutputStream()
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{
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if (m_buffer) {
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GC* gc = MMgc::GC::GetGC(m_buffer);
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gc->Free(m_buffer);
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}
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}
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int StringOutputStream::write(const void *buffer,
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int count)
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{
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if (m_length + count >= (int)GC::Size(m_buffer))
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{
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GC* gc = MMgc::GC::GetGC(m_buffer);
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int newCapacity = (m_length+count+1)*2;
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char *newBuffer = (char*) gc->Alloc(newCapacity);
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if (!newBuffer) {
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return 0;
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}
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memcpy(newBuffer, m_buffer, m_length);
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gc->Free(m_buffer);
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m_buffer = newBuffer;
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}
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memcpy(m_buffer+m_length, buffer, count);
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m_length += count;
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m_buffer[m_length] = 0;
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return count;
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}
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}
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