rstudio/src/cpp/core/text/AnsiCodeParser.cpp at main · ssh352/rstudio · GitHub

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* AnsiCodeParser.cpp

* Unless you have received this program directly from Posit Software pursuant

* to the terms of a commercial license agreement with Posit Software, then

* this program is licensed to you under the terms of version 3 of the

* GNU Affero General Public License. This program is distributed WITHOUT

* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the

* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.

#include <core/text/AnsiCodeParser.hpp>

#include <boost/regex.hpp>

namespace rstudio {

namespace core {

namespace text {

namespace {

// Match ANSI escape codes copied from https://github.com/chalk/ansi-regex

const char* kAnsiMatch = "[\\x1b\\x9b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-PRZcf-nqry=><@]";

// Match xterm title sequence (followed by text, ended by BEL)

const char* kXTermTitleMatch = "\\x1b]0;.*?\\x07";

} // anonymous namespace

void stripAnsiCodes(std::string* pStr)

{

if (!pStr)

return;

std::string replacement;

*pStr = boost::regex_replace(*pStr, boost::regex(kAnsiMatch), replacement);

*pStr = boost::regex_replace(*pStr, boost::regex(kXTermTitleMatch), replacement);

}

} // namespace text

} // namespace core

} // namespace rstudio

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