RPJosh
/
Waybar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Match rewrite rules iteratively, using array structure 

This guarantees rule order, and allows successive rules to match against
and replace the results of previous rules.
pull/2439/head
Kelsey Judson 2023-08-30 00:14:43 +12:00
parent e30fba0b8f
commit 674b12ae61
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/util/rewrite_string.cpp
View File

@ -6,23 +6,27 @@
namespace waybar::util {
std::string rewriteString(const std::string& value, const Json::Value& rules) {
if (!rules.isObject()) {
if (rules.isObject()) {
// TODO: convert objects to the array structure to accept existing configs.
}
if (!rules.isArray()) {
return value;
}
std::string res = value;
for (auto it = rules.begin(); it != rules.end(); ++it) {
if (it.key().isString() && it->isString()) {
for (Json::Value::ArrayIndex i = 0; i != rules.size(); i++) {
if (rules[i].isArray() && rules[i][0].isString() && rules[i][1].isString()) {
try {
// malformated regexes will cause an exception.
// malformed regexes will cause an exception.
// in this case, log error and try the next rule.
const std::regex rule{it.key().asString()};
if (std::regex_match(value, rule)) {
res = std::regex_replace(res, rule, it->asString());
const std::regex rule{rules[i][0].asString()};
if (std::regex_match(res, rule)) {
res = std::regex_replace(res, rule, rules[i][1].asString());
}
} catch (const std::regex_error& e) {
spdlog::error("Invalid rule {}: {}", it.key().asString(), e.what());
spdlog::error("Invalid rule {}: {}", rules[i][0].asString(), e.what());
}
}
}