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SpineString.h
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SpineString.h
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/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef SPINE_STRING_H
#define SPINE_STRING_H
#include <spine/SpineObject.h>
#include <spine/Extension.h>
#include <string.h>
#include <stdio.h>
// Required for sprintf on MSVC
#ifdef _MSC_VER
#pragma warning(disable:4996)
#endif
namespace spine {
class String : public SpineObject {
public:
String() : _length(0), _buffer(NULL) {
}
String(const char *chars, bool own = false) {
if (!chars) {
_length = 0;
_buffer = NULL;
} else {
_length = strlen(chars);
if (!own) {
_buffer = SpineExtension::calloc<char>(_length + 1, __FILE__, __LINE__);
memcpy((void *) _buffer, chars, _length + 1);
} else {
_buffer = (char *) chars;
}
}
}
String(const String &other) {
if (!other._buffer) {
_length = 0;
_buffer = NULL;
} else {
_length = other._length;
_buffer = SpineExtension::calloc<char>(other._length + 1, __FILE__, __LINE__);
memcpy((void *) _buffer, other._buffer, other._length + 1);
}
}
size_t length() const {
return _length;
}
bool isEmpty() const {
return _length == 0;
}
const char *buffer() const {
return _buffer;
}
void own(const String &other) {
if (this == &other) return;
if (_buffer) {
SpineExtension::free(_buffer, __FILE__, __LINE__);
}
_length = other._length;
_buffer = other._buffer;
other._length = 0;
other._buffer = NULL;
}
void own(const char *chars) {
if (_buffer == chars) return;
if (_buffer) {
SpineExtension::free(_buffer, __FILE__, __LINE__);
}
if (!chars) {
_length = 0;
_buffer = NULL;
} else {
_length = strlen(chars);
_buffer = (char *) chars;
}
}
void unown() {
_length = 0;
_buffer = NULL;
}
String &operator=(const String &other) {
if (this == &other) return *this;
if (_buffer) {
SpineExtension::free(_buffer, __FILE__, __LINE__);
}
if (!other._buffer) {
_length = 0;
_buffer = NULL;
} else {
_length = other._length;
_buffer = SpineExtension::calloc<char>(other._length + 1, __FILE__, __LINE__);
memcpy((void *) _buffer, other._buffer, other._length + 1);
}
return *this;
}
String &operator=(const char *chars) {
if (_buffer == chars) return *this;
if (_buffer) {
SpineExtension::free(_buffer, __FILE__, __LINE__);
}
if (!chars) {
_length = 0;
_buffer = NULL;
} else {
_length = strlen(chars);
_buffer = SpineExtension::calloc<char>(_length + 1, __FILE__, __LINE__);
memcpy((void *) _buffer, chars, _length + 1);
}
return *this;
}
String &append(const char *chars) {
size_t len = strlen(chars);
size_t thisLen = _length;
_length = _length + len;
bool same = chars == _buffer;
_buffer = SpineExtension::realloc(_buffer, _length + 1, __FILE__, __LINE__);
memcpy((void *) (_buffer + thisLen), (void *) (same ? _buffer : chars), len + 1);
return *this;
}
String &append(const String &other) {
size_t len = other.length();
size_t thisLen = _length;
_length = _length + len;
bool same = other._buffer == _buffer;
_buffer = SpineExtension::realloc(_buffer, _length + 1, __FILE__, __LINE__);
memcpy((void *) (_buffer + thisLen), (void *) (same ? _buffer : other._buffer), len + 1);
return *this;
}
String &append(int other) {
char str[100];
sprintf(str, "%i", other);
append(str);
return *this;
}
String &append(float other) {
char str[100];
sprintf(str, "%f", other);
append(str);
return *this;
}
friend bool operator==(const String &a, const String &b) {
if (a._buffer == b._buffer) return true;
if (a._length != b._length) return false;
if (a._buffer && b._buffer) {
return strcmp(a._buffer, b._buffer) == 0;
} else {
return false;
}
}
friend bool operator!=(const String &a, const String &b) {
return !(a == b);
}
~String() {
if (_buffer) {
SpineExtension::free(_buffer, __FILE__, __LINE__);
}
}
private:
mutable size_t _length;
mutable char *_buffer;
};
}
#endif //SPINE_STRING_H