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83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
/*
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OpenMW - The completely unofficial reimplementation of Morrowind
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Copyright (C) 2008-2010 Nicolay Korslund
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Email: < korslund@gmail.com >
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WWW: http://openmw.sourceforge.net/
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This file (slice_array.h) is part of the OpenMW package.
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OpenMW is distributed as free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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version 3, as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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version 3 along with this program. If not, see
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http://www.gnu.org/licenses/ .
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*/
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#ifndef MISC_SLICE_ARRAY_H
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#define MISC_SLICE_ARRAY_H
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// A simple array implementation containing a pointer and a
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// length. Used for holding slices into a data buffer.
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#include <string.h>
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#include <string>
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namespace Misc
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{
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template <class T>
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struct SliceArray
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{
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const T* ptr;
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size_t length;
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/// Initialize to zero length
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SliceArray() : ptr(0), length(0) {}
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/// Initialize from pointer + length
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SliceArray(const T* _ptr, size_t _length)
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: ptr(_ptr), length(_length) {}
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/// Initialize from null-terminated string
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SliceArray(const char* str)
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{
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ptr = str;
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length = strlen(str);
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}
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bool operator==(SliceArray &t)
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{
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return
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length == t.length &&
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(memcmp(ptr,t.ptr, length*sizeof(T)) == 0);
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}
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/// Only use this for stings
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bool operator==(const char* str)
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{
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return
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str[length] == 0 &&
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(strncmp(ptr, str, length) == 0);
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}
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/** This allocates a copy of the data. Only use this for debugging
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and error messages. */
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std::string toString()
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{ return std::string(ptr,length); }
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};
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typedef SliceArray<char> SString;
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typedef SliceArray<int> IntArray;
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typedef SliceArray<float> FloatArray;
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}
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#endif
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