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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "platform/MSWindowsClipboardAnyTextConverter.h"
//
// MSWindowsClipboardAnyTextConverter
//
MSWindowsClipboardAnyTextConverter::MSWindowsClipboardAnyTextConverter()
{
// do nothing
}
MSWindowsClipboardAnyTextConverter::~MSWindowsClipboardAnyTextConverter()
{
// do nothing
}
IClipboard::EFormat
MSWindowsClipboardAnyTextConverter::getFormat() const
{
return IClipboard::kText;
}
HANDLE MSWindowsClipboardAnyTextConverter::fromIClipboard(const std::string& data) const
{
// convert linefeeds and then convert to desired encoding
std::string text = doFromIClipboard(convertLinefeedToWin32(data));
UInt32 size = (UInt32)text.size();
// copy to memory handle
HGLOBAL gData = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size);
if (gData != NULL) {
// get a pointer to the allocated memory
char* dst = (char*)GlobalLock(gData);
if (dst != NULL) {
memcpy(dst, text.data(), size);
GlobalUnlock(gData);
}
else {
GlobalFree(gData);
gData = NULL;
}
}
return gData;
}
std::string MSWindowsClipboardAnyTextConverter::toIClipboard(HANDLE data) const
{
// get datator
const char* src = (const char*)GlobalLock(data);
UInt32 srcSize = (UInt32)GlobalSize(data);
if (src == NULL || srcSize <= 1) {
return {};
}
// convert text
std::string text = doToIClipboard(std::string(src, srcSize));
// release handle
GlobalUnlock(data);
// convert newlines
return convertLinefeedToUnix(text);
}
std::string MSWindowsClipboardAnyTextConverter::convertLinefeedToWin32(const std::string& src) const
{
// note -- we assume src is a valid UTF-8 string
// count newlines in string
UInt32 numNewlines = 0;
UInt32 n = (UInt32)src.size();
for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
if (*scan == '\n') {
++numNewlines;
}
}
if (numNewlines == 0) {
return src;
}
// allocate new string
std::string dst;
dst.reserve(src.size() + numNewlines);
// copy string, converting newlines
n = (UInt32)src.size();
for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
if (scan[0] == '\n') {
dst += '\r';
}
dst += scan[0];
}
return dst;
}
std::string MSWindowsClipboardAnyTextConverter::convertLinefeedToUnix(const std::string& src) const
{
// count newlines in string
UInt32 numNewlines = 0;
UInt32 n = (UInt32)src.size();
for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
if (scan[0] == '\r' && scan[1] == '\n') {
++numNewlines;
}
}
if (numNewlines == 0) {
return src;
}
// allocate new string
std::string dst;
dst.reserve(src.size());
// copy string, converting newlines
n = (UInt32)src.size();
for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
if (scan[0] != '\r' || scan[1] != '\n') {
dst += scan[0];
}
}
return dst;
}
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