135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "utf16string.h"
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GuiBase::UTF16 g_defaulText[1] = {0};
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namespace GuiBase
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{
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UTF16String::UTF16String()
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: m_text(g_defaulText)
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, m_len(0)
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, m_buffer_len(0)
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{
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}
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UTF16String::UTF16String (const UTF16* str)
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: m_text(g_defaulText)
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, m_buffer_len(0)
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{
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m_len = UTF16Length(str);
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_checkBuffer(m_len + 1);
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Memory::Copy(str, m_text, m_len * _wordSize());
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m_text[m_len] = NULL;
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}
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UTF16String::UTF16String (const UTF16String &other)
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: m_text(g_defaulText)
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, m_buffer_len(0)
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{
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m_len = other.m_len;
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_checkBuffer(m_len + 1);
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Memory::Copy(other.m_text, m_text, m_len * _wordSize());
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m_text[m_len] = NULL;
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}
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void UTF16String::operator = (const UTF16String& other)
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{
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m_text = g_defaulText;
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m_buffer_len = 0;
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m_len = other.m_len;
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_checkBuffer(m_len + 1);
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Memory::Copy(other.m_text, m_text, m_len * _wordSize());
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m_text[m_len] = NULL;
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}
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void UTF16String::operator += (const UTF16String& other)
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{
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SizeT len = m_len + other.m_len;
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if (len + 1 > m_buffer_len)
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{
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UTF16* old_text = m_text;
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m_buffer_len = len * 2 + 1;
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m_text = n_new_array(UTF16, m_buffer_len);
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Memory::Copy(old_text, m_text, m_len);
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n_delete_array(old_text);
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}
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Memory::Copy(other.m_text, m_text + m_len, other.m_len * _wordSize());
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m_len = len;
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m_text[len] = NULL;
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}
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void UTF16String::operator += (const UTF16* other)
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{
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SizeT other_len = UTF16Length(other);
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SizeT len = m_len + other_len;
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if (len + 1 > m_buffer_len)
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{
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UTF16* old_text = m_text;
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m_buffer_len = len * 2 + 1;
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m_text = n_new_array(UTF16, m_buffer_len);
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Memory::Copy(old_text, m_text, m_len);
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n_delete_array(old_text);
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}
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Memory::Copy(other, m_text + m_len, other_len * _wordSize());
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m_len = len;
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m_text[len] = NULL;
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}
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UTF16String::~UTF16String ()
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{
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if (m_text)
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{
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n_delete_array(m_text);
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}
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}
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SizeT UTF16String::UTF16Length(const UTF16* ptr)
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{
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UTF16* temp = (UTF16*)ptr;
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n_assert( temp != NULL);
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while(0 != *temp)
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{
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++temp;
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}
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return (temp - ptr);// / sizeof(UTF16);
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}
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void UTF16String::_checkBuffer(SizeT len)
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{
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if (len > m_buffer_len)
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{
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m_buffer_len = len * 2 + 1;
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if (m_text && m_text != g_defaulText)
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{
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n_delete_array(m_text);
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}
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m_text = n_new_array(UTF16, m_buffer_len);
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}
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}
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}
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