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Make nix search highlight all matches of a regex

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This commit is contained in:
Hubert Głuchowski 2022-01-19 19:59:02 +01:00
parent 92e8230215
commit 87fdd23025
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GPG key ID: FDB7055C732D177D
1 changed files with 12 additions and 14 deletions
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26
src/nix/search.cc
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@ -10,6 +10,7 @@
#include "eval-cache.hh"
#include "attr-path.hh"
#include <iterator>
#include <regex>
#include <fstream>
@ -48,7 +49,7 @@ std::string hilite_all(const std::string &s, std::vector<std::smatch> matches, s
for (size_t i = 0; i < matches.size(); i++) {
auto m = matches[i];
size_t start = m.position();
out.append(m.prefix().str().substr(last_end));
out.append(s.substr(last_end, m.position() - last_end));
// Merge continous matches
ssize_t end = start + m.length();
while(i + 1 < matches.size() && matches[i+1].position() <= end) {
@ -150,21 +151,18 @@ struct CmdSearch : InstallableCommand, MixJSON
bool found = false;
for (auto & regex : regexes) {
std::smatch tmp;
found = false;
auto add_all = [&found](std::sregex_iterator it, std::vector<std::smatch>& vec){
const auto end = std::sregex_iterator();
while(it != end) {
vec.push_back(*it++);
found = true;
}
};
if(std::regex_search(attrPath2, tmp, regex)) {
attrPathMatches.push_back(tmp);
found = true;
}
if(std::regex_search(name.name, tmp, regex)) {
nameMatches.push_back(tmp);
found = true;
}
if(std::regex_search(description, tmp, regex)) {
descriptionMatches.push_back(tmp);
found = true;
}
add_all(std::sregex_iterator(attrPath2.begin(), attrPath2.end(), regex), attrPathMatches);
add_all(std::sregex_iterator(name.name.begin(), name.name.end(), regex), nameMatches);
add_all(std::sregex_iterator(description.begin(), description.end(), regex), descriptionMatches);
if(!found)
break;