121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2012 Bolton Software Ltd.
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* Copyright (C) 2004 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "platform/MSWindowsClipboardHTMLConverter.h"
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#include "base/String.h"
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//
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// CMSWindowsClipboardHTMLConverter
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//
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CMSWindowsClipboardHTMLConverter::CMSWindowsClipboardHTMLConverter()
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{
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m_format = RegisterClipboardFormat("HTML Format");
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}
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CMSWindowsClipboardHTMLConverter::~CMSWindowsClipboardHTMLConverter()
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{
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// do nothing
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}
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IClipboard::EFormat
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CMSWindowsClipboardHTMLConverter::getFormat() const
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{
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return IClipboard::kHTML;
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}
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UINT
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CMSWindowsClipboardHTMLConverter::getWin32Format() const
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{
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return m_format;
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}
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CString
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CMSWindowsClipboardHTMLConverter::doFromIClipboard(const CString& data) const
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{
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// prepare to CF_HTML format prefix and suffix
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CString prefix("Version:0.9\r\nStartHTML:0000000105\r\n"
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"EndHTML:ZZZZZZZZZZ\r\n"
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"StartFragment:XXXXXXXXXX\r\nEndFragment:YYYYYYYYYY\r\n"
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"<!DOCTYPE><HTML><BODY><!--StartFragment-->");
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CString suffix("<!--EndFragment--></BODY></HTML>\r\n");
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// Get byte offsets for header
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UInt32 StartFragment = (UInt32)prefix.size();
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UInt32 EndFragment = StartFragment + (UInt32)data.size();
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// StartHTML is constant by the design of the prefix
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UInt32 EndHTML = EndFragment + (UInt32)suffix.size();
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prefix.replace(prefix.find("XXXXXXXXXX"), 10,
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synergy::string::sprintf("%010u", StartFragment));
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prefix.replace(prefix.find("YYYYYYYYYY"), 10,
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synergy::string::sprintf("%010u", EndFragment));
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prefix.replace(prefix.find("ZZZZZZZZZZ"), 10,
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synergy::string::sprintf("%010u", EndHTML));
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// concatenate
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prefix += data;
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prefix += suffix;
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return prefix;
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}
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CString
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CMSWindowsClipboardHTMLConverter::doToIClipboard(const CString& data) const
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{
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// get fragment start/end args
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CString startArg = findArg(data, "StartFragment");
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CString endArg = findArg(data, "EndFragment");
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if (startArg.empty() || endArg.empty()) {
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return CString();
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}
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// convert args to integers
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SInt32 start = (SInt32)atoi(startArg.c_str());
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SInt32 end = (SInt32)atoi(endArg.c_str());
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if (start <= 0 || end <= 0 || start >= end) {
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return CString();
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}
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// extract the fragment
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return data.substr(start, end - start);
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}
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CString
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CMSWindowsClipboardHTMLConverter::findArg(
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const CString& data, const CString& name) const
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{
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CString::size_type i = data.find(name);
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if (i == CString::npos) {
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return CString();
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}
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i = data.find_first_of(":\r\n", i);
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if (i == CString::npos || data[i] != ':') {
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return CString();
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}
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i = data.find_first_of("0123456789\r\n", i + 1);
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if (i == CString::npos || data[i] == '\r' || data[i] == '\n') {
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return CString();
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}
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CString::size_type j = data.find_first_not_of("0123456789", i);
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if (j == CString::npos) {
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j = data.size();
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}
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return data.substr(i, j - i);
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}
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