Waybar/src/util/rewrite_string.cpp

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#include "util/rewrite_string.hpp"
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#include <spdlog/spdlog.h>
#include <regex>
namespace waybar::util {
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std::string rewriteString(const std::string& value, const Json::Value& rules) {
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if (!rules.isObject()) {
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return value;
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}
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std::string res = value;
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for (auto it = rules.begin(); it != rules.end(); ++it) {
if (it.key().isString() && it->isString()) {
try {
// malformated regexes will cause an exception.
// in this case, log error and try the next rule.
const std::regex rule{it.key().asString()};
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if (std::regex_match(value, rule)) {
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res = std::regex_replace(res, rule, it->asString());
}
} catch (const std::regex_error& e) {
spdlog::error("Invalid rule {}: {}", it.key().asString(), e.what());
}
}
}
return res;
}
} // namespace waybar::util