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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2004 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/MSWindowsClipboardHTMLConverter.h"
#include "base/String.h"
//
// MSWindowsClipboardHTMLConverter
//
MSWindowsClipboardHTMLConverter::MSWindowsClipboardHTMLConverter()
{
m_format = RegisterClipboardFormat("HTML Format");
}
MSWindowsClipboardHTMLConverter::~MSWindowsClipboardHTMLConverter()
{
// do nothing
}
IClipboard::EFormat
MSWindowsClipboardHTMLConverter::getFormat() const
{
return IClipboard::kHTML;
}
UINT
MSWindowsClipboardHTMLConverter::getWin32Format() const
{
return m_format;
}
std::string MSWindowsClipboardHTMLConverter::doFromIClipboard(const std::string& data) const
{
// prepare to CF_HTML format prefix and suffix
std::string prefix("Version:0.9\r\nStartHTML:0000000105\r\n"
"EndHTML:ZZZZZZZZZZ\r\n"
"StartFragment:XXXXXXXXXX\r\nEndFragment:YYYYYYYYYY\r\n"
"<!DOCTYPE><HTML><BODY><!--StartFragment-->");
std::string suffix("<!--EndFragment--></BODY></HTML>\r\n");
// Get byte offsets for header
UInt32 StartFragment = (UInt32)prefix.size();
UInt32 EndFragment = StartFragment + (UInt32)data.size();
// StartHTML is constant by the design of the prefix
UInt32 EndHTML = EndFragment + (UInt32)suffix.size();
prefix.replace(prefix.find("XXXXXXXXXX"), 10,
barrier::string::sprintf("%010u", StartFragment));
prefix.replace(prefix.find("YYYYYYYYYY"), 10,
barrier::string::sprintf("%010u", EndFragment));
prefix.replace(prefix.find("ZZZZZZZZZZ"), 10,
barrier::string::sprintf("%010u", EndHTML));
// concatenate
prefix += data;
prefix += suffix;
return prefix;
}
std::string MSWindowsClipboardHTMLConverter::doToIClipboard(const std::string& data) const
{
// get fragment start/end args
std::string startArg = findArg(data, "StartFragment");
std::string endArg = findArg(data, "EndFragment");
if (startArg.empty() || endArg.empty()) {
return std::string();
}
// convert args to integers
SInt32 start = (SInt32)atoi(startArg.c_str());
SInt32 end = (SInt32)atoi(endArg.c_str());
if (start <= 0 || end <= 0 || start >= end) {
return std::string();
}
// extract the fragment
return data.substr(start, end - start);
}
std::string MSWindowsClipboardHTMLConverter::findArg(const std::string& data,
const std::string& name) const
{
std::string::size_type i = data.find(name);
if (i == std::string::npos) {
return std::string();
}
i = data.find_first_of(":\r\n", i);
if (i == std::string::npos || data[i] != ':') {
return std::string();
}
i = data.find_first_of("0123456789\r\n", i + 1);
if (i == std::string::npos || data[i] == '\r' || data[i] == '\n') {
return std::string();
}
std::string::size_type j = data.find_first_not_of("0123456789", i);
if (j == std::string::npos) {
j = data.size();
}
return data.substr(i, j - i);
}
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