| 1 | /*
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| 2 | * synergy -- mouse and keyboard sharing utility
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| 3 | * Copyright (C) 2004 Chris Schoeneman
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| 4 | * Copyright (C) 2006 Knut St. Osmundsen
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| 5 | *
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| 6 | * This package is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * found in the file COPYING that should have accompanied this file.
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| 9 | *
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| 10 | * This package is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | */
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| 15 |
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| 16 | #include "CPMClipboardHTMLConverter.h"
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| 17 | #include "CStringUtil.h"
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| 18 |
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| 19 | //
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| 20 | // CPMClipboardHTMLConverter
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| 21 | //
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| 22 |
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| 23 | CPMClipboardHTMLConverter::CPMClipboardHTMLConverter()
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| 24 | {
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| 25 | m_format = WinAddAtom(WinQuerySystemAtomTable(), (PCSZ)"HTML Format");
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| 26 | if (!m_format) {
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| 27 | m_format = WinFindAtom(WinQuerySystemAtomTable(), (PCSZ)"HTML Format");
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| 28 | assert(m_format);
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| 29 | }
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| 30 | }
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| 31 |
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| 32 | CPMClipboardHTMLConverter::~CPMClipboardHTMLConverter()
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| 33 | {
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| 34 | // do nothing
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| 35 | }
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| 36 |
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| 37 | IClipboard::EFormat
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| 38 | CPMClipboardHTMLConverter::getFormat() const
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| 39 | {
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| 40 | return IClipboard::kHTML;
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| 41 | }
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| 42 |
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| 43 | ULONG
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| 44 | CPMClipboardHTMLConverter::getPMFormat() const
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| 45 | {
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| 46 | return m_format;
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| 47 | }
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| 48 |
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| 49 | CString
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| 50 | CPMClipboardHTMLConverter::doFromIClipboard(const CString& data) const
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| 51 | {
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| 52 | // prepare to CF_HTML format prefix and suffix
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| 53 | CString prefix("Version:0.9\nStartHTML:-1\nEndHTML:-1\n"
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| 54 | "StartFragment:XXXXXXXXXX\nEndFragment:YYYYYYYYYY\n"
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| 55 | "<!DOCTYPE><HTML><BODY><!--StartFragment-->");
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| 56 | CString suffix("<!--EndFragment--></BODY></HTML>\n");
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| 57 | UInt32 start = prefix.size();
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| 58 | UInt32 end = start + data.size();
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| 59 | prefix.replace(prefix.find("XXXXXXXXXX"), 10,
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| 60 | CStringUtil::print("%010u", start));
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| 61 | prefix.replace(prefix.find("YYYYYYYYYY"), 10,
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| 62 | CStringUtil::print("%010u", end));
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| 63 |
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| 64 | // concatenate
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| 65 | prefix += data;
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| 66 | prefix += suffix;
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| 67 | return prefix;
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| 68 | }
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| 69 |
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| 70 | CString
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| 71 | CPMClipboardHTMLConverter::doToIClipboard(const CString& data) const
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| 72 | {
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| 73 | // get fragment start/end args
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| 74 | CString startArg = findArg(data, "StartFragment");
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| 75 | CString endArg = findArg(data, "EndFragment");
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| 76 | if (startArg.empty() || endArg.empty()) {
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| 77 | return CString();
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| 78 | }
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| 79 |
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| 80 | // convert args to integers
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| 81 | SInt32 start = (SInt32)atoi(startArg.c_str());
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| 82 | SInt32 end = (SInt32)atoi(endArg.c_str());
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| 83 | if (start <= 0 || end <= 0 || start >= end) {
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| 84 | return CString();
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| 85 | }
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| 86 |
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| 87 | // extract the fragment
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| 88 | return data.substr(start, end - start);
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| 89 | }
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| 90 |
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| 91 | CString
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| 92 | CPMClipboardHTMLConverter::findArg(
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| 93 | const CString& data, const CString& name) const
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| 94 | {
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| 95 | CString::size_type i = data.find(name);
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| 96 | if (i == CString::npos) {
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| 97 | return CString();
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| 98 | }
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| 99 | i = data.find_first_of(":\r\n", i);
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| 100 | if (i == CString::npos || data[i] != ':') {
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| 101 | return CString();
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| 102 | }
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| 103 | i = data.find_first_of("0123456789\r\n", i + 1);
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| 104 | if (i == CString::npos || data[i] == '\r' || data[i] == '\n') {
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| 105 | return CString();
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| 106 | }
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| 107 | CString::size_type j = data.find_first_not_of("0123456789", i);
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| 108 | if (j == CString::npos) {
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| 109 | j = data.size();
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| 110 | }
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| 111 | return data.substr(i, j - i);
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| 112 | }
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