gecko-dev/parser/html/nsHtml5ArrayCopy.h

61 строка
2.5 KiB
C++

/*
* Copyright (c) 2008 Mozilla Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef nsHtml5ArrayCopy_h
#define nsHtml5ArrayCopy_h
class nsHtml5StackNode;
// Unfortunately, these don't work as template functions because the arguments
// would need coercion from a template class, which complicates things.
class nsHtml5ArrayCopy {
public:
static inline void arraycopy(char16_t* source, int32_t sourceOffset,
char16_t* target, int32_t targetOffset,
int32_t length) {
memcpy(&(target[targetOffset]), &(source[sourceOffset]),
size_t(length) * sizeof(char16_t));
}
static inline void arraycopy(char16_t* source, char16_t* target,
int32_t length) {
memcpy(target, source, size_t(length) * sizeof(char16_t));
}
static inline void arraycopy(int32_t* source, int32_t* target,
int32_t length) {
memcpy(target, source, size_t(length) * sizeof(int32_t));
}
static inline void arraycopy(nsHtml5StackNode** source,
nsHtml5StackNode** target, int32_t length) {
memcpy(target, source, size_t(length) * sizeof(nsHtml5StackNode*));
}
static inline void arraycopy(nsHtml5StackNode** arr, int32_t sourceOffset,
int32_t targetOffset, int32_t length) {
memmove(&(arr[targetOffset]), &(arr[sourceOffset]),
size_t(length) * sizeof(nsHtml5StackNode*));
}
};
#endif // nsHtml5ArrayCopy_h