diff options
| -rw-r--r-- | src/nix/search.cc | 81 |
1 files changed, 64 insertions, 17 deletions
diff --git a/src/nix/search.cc b/src/nix/search.cc index 0d8fdd5c2..3a62251d4 100644 --- a/src/nix/search.cc +++ b/src/nix/search.cc @@ -20,16 +20,52 @@ std::string wrap(std::string prefix, std::string s) return prefix + s + ANSI_NORMAL; } +#define HILITE_COLOR ANSI_GREEN + std::string hilite(const std::string & s, const std::smatch & m, std::string postfix) { return m.empty() ? s : std::string(m.prefix()) - + ANSI_GREEN + std::string(m.str()) + postfix + + HILITE_COLOR + std::string(m.str()) + postfix + std::string(m.suffix()); } +std::string hilite_all(const std::string &s, std::vector<std::smatch> matches, std::string postfix) { + // Don't waste time on trivial highlights + if (matches.size() == 0) + return s; + else if (matches.size() == 1) + return hilite(s, matches[0], postfix); + + std::sort(matches.begin(), matches.end(), [](const auto &a, const auto &b) { + return a.position() < b.position(); + }); + + std::string out; + ssize_t last_end = 0; + 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)); + // Merge continous matches + ssize_t end = start + m.length(); + while(i + 1 < matches.size() && matches[i+1].position() <= end) { + auto n = matches[++i]; + ssize_t nend = start + (n.position() - start + n.length()); + if(nend > end) + end = nend; + } + out.append(HILITE_COLOR); + out.append(s.substr(start, end - start)); + out.append(postfix); + last_end = end; + } + out.append(s.substr(last_end)); + return out; +} + struct CmdSearch : InstallableCommand, MixJSON { std::vector<std::string> res; @@ -100,8 +136,6 @@ struct CmdSearch : InstallableCommand, MixJSON }; if (cursor.isDerivation()) { - size_t found = 0; - DrvName name(cursor.getAttr("name")->getString()); auto aMeta = cursor.maybeGetAttr("meta"); @@ -110,21 +144,34 @@ struct CmdSearch : InstallableCommand, MixJSON std::replace(description.begin(), description.end(), '\n', ' '); auto attrPath2 = concatStringsSep(".", attrPath); - std::smatch attrPathMatch; - std::smatch descriptionMatch; - std::smatch nameMatch; + std::vector<std::smatch> attrPathMatches; + std::vector<std::smatch> descriptionMatches; + std::vector<std::smatch> nameMatches; + bool found = false; for (auto & regex : regexes) { - std::regex_search(attrPath2, attrPathMatch, regex); - std::regex_search(name.name, nameMatch, regex); - std::regex_search(description, descriptionMatch, regex); - if (!attrPathMatch.empty() - || !nameMatch.empty() - || !descriptionMatch.empty()) - found++; + std::smatch tmp; + found = false; + + 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; + } + + if(!found) + break; } - if (found == res.size()) { + if (found) + { results++; if (json) { auto jsonElem = jsonOut->object(attrPath2); @@ -132,15 +179,15 @@ struct CmdSearch : InstallableCommand, MixJSON jsonElem.attr("version", name.version); jsonElem.attr("description", description); } else { - auto name2 = hilite(name.name, nameMatch, "\e[0;2m"); + auto name2 = hilite_all(name.name, nameMatches, "\e[0;2m"); if (results > 1) logger->cout(""); logger->cout( "* %s%s", - wrap("\e[0;1m", hilite(attrPath2, attrPathMatch, "\e[0;1m")), + wrap("\e[0;1m", hilite_all(attrPath2, attrPathMatches, "\e[0;1m")), name.version != "" ? " (" + name.version + ")" : ""); if (description != "") logger->cout( - " %s", hilite(description, descriptionMatch, ANSI_NORMAL)); + " %s", hilite_all(description, descriptionMatches, ANSI_NORMAL)); } } } |