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// qsamplerUtilities.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. |
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|
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This program 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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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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This program 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 along |
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with this program; if not, write to the Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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|
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*****************************************************************************/ |
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|
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#include "qsamplerUtilities.h" |
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|
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#include "qsamplerMainForm.h" |
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|
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#include <stdio.h> |
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#include <qregexp.h> |
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|
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// converts the given file path into a path as expected by LSCP 1.2 |
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QString lscpEscapePath(QString path) { |
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// check if remote side supports LSCP escape sequences |
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const lscpVersion_t version = getRemoteLscpVersion(); |
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if (version.major < 1 || version.minor < 2) |
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return path; // LSCP v1.2 or younger required |
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|
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// replace POSIX path escape sequences (%HH) by LSCP escape sequences (\xHH) |
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// TODO: missing code for other systems like Windows |
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{ |
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QRegExp regexp("%[0-9a-fA-F][0-9a-fA-F]"); |
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for (int i = path.find(regexp); i >= 0; i = path.find(regexp, i + 3)) |
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path.replace(i, 1, "\\x"); |
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} |
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// replace all non-basic characters by LSCP escape sequences |
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{ |
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const char pathSeparator = '/'; |
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QRegExp regexp(QRegExp::escape("\\x") + "[0-9a-fA-F][0-9a-fA-F]"); |
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for (int i = 0; i < int(path.length()); i++) { |
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// first skip all previously added LSCP escape sequences |
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if (path.find(regexp, i) == i) { |
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i += 3; |
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continue; |
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} |
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// now match all non-alphanumerics |
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// (we could exclude much more characters here, but that way |
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// we're sure it just works^TM) |
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const char c = path.at(i).latin1(); |
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if ( |
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!(c >= '0' && c <= '9') && |
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!(c >= 'a' && c <= 'z') && |
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!(c >= 'A' && c <= 'Z') && |
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!(c == pathSeparator) |
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) { |
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// convert the non-basic character into a LSCP escape sequence |
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char buf[5]; |
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snprintf(buf, sizeof(buf), "\\x%2x", static_cast<unsigned char>(c)); |
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path.replace(i, 1, buf); |
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i += 3; |
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} |
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} |
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} |
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return path; |
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} |
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|
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lscpVersion_t getRemoteLscpVersion() { |
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lscpVersion_t result = { 0, 0 }; |
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|
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qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance(); |
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if (!pMainForm || !pMainForm->client()) return result; |
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|
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lscp_server_info_t* pServerInfo = |
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::lscp_get_server_info(pMainForm->client()); |
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if (!pServerInfo) return result; |
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|
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sscanf(pServerInfo->protocol_version, "%d.%d", &result.major, &result.minor); |
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return result; |
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} |