{

while (!s.empty() && is_space(s.front()))

s.erase(s.begin());

while (!s.empty() && is_space(s.back()))

s.pop_back();

return s;

{

ModuleManifestLoadResult r; std::ifstream in(path); if(!in){r.error="cannot open vix.module";return r;} std::string line,section, pendingKey,pendingValue; bool any=false; std::set<std::string> seenSections, seenKeys; vix::cli::app::AppGitDependency *git=nullptr;

auto assign=[&](const std::string &sec,const std::string &key,const std::string &raw)->bool { auto k=lower(key); auto value=trim(raw); any=true;

const std::string field=sec+"\n"+k; if(!seenKeys.insert(field).second){r.error="duplicate field: "+(sec.empty()?key:sec+"."+key);return false;}

if(sec.empty()&&(k=="name"||k=="kind"||k=="workflow")){auto &dst=k=="name"?r.manifest.name:k=="kind"?r.manifest.kind:r.manifest.workflow; if(!dst.empty()){r.error="duplicate field: "+key;return false;} dst=unquote(value); return true;}

if(sec.empty()&&k=="runtime") return boolean(value,r.manifest.runtime) || (r.error="invalid bool: runtime",false);

if(sec=="routes"&&k=="prefix"){r.manifest.routePrefix=unquote(value);return true;}

if(sec=="exports"&&k=="include"){r.manifest.exportInclude=unquote(value);return true;}

if(sec=="tests"&&k=="enabled") return boolean(value,r.manifest.testsEnabled) || (r.error="invalid bool: tests.enabled",false);

if(sec=="deps"&&(k=="registry"||k=="links")){auto &dst=k=="registry"?r.manifest.registryDependencies:r.manifest.links; if(!array(value,dst)){r.error="malformed array: deps."+key;return false;} return true;}

if(git && (section.rfind("dependencies.",0)==0)) {

if (section.size() > 6 && section.substr(section.size()-6)==".cmake") {

if (!target_name(key) || value.empty() || value.front()=='[' || value.front()=='{') { r.error="invalid CMake option in "+section; return false; }

git->cmakeOptions.emplace_back(trim(key), unquote(value)); return true;

}

std::string parsed;

if(!scalar(value,parsed)){r.error="invalid Git dependency field: "+key;return false;}

if(k=="git")git->git=parsed; else if(k=="tag")git->tag=parsed; else if(k=="branch")git->branch=parsed; else if(k=="rev"||k=="commit")git->rev=parsed; else if(k=="target") {if(!target_name(parsed)){r.error="invalid target";return false;} git->target=parsed;} else if(k=="subdirectory"||k=="subdir")git->subdirectory=parsed; else {r.error="unsupported Git dependency field: "+key;return false;} return true;

}

if(sec=="websocket"){if(!r.manifest.websocket)r.manifest.websocket.emplace(); auto &w=*r.manifest.websocket; if(k=="workflow")w.workflow=unquote(value); else if(k=="path")w.path=unquote(value); else if(k=="host")w.host=unquote(value); else if(k=="long_polling") {if(!boolean(value,w.longPolling)){r.error="invalid bool: websocket.long_polling";return false;}} else if(k=="metrics"){if(!boolean(value,w.metrics)){r.error="invalid bool: websocket.metrics";return false;}} else if(k=="port"){try{auto n=std::stoul(value);if(n>65535)throw std::out_of_range("port");w.port=static_cast<unsigned short>(n);}catch(...){r.error="invalid port";return false;}} else {r.error="unsupported websocket field: "+key;return false;} return true;}

r.error="unsupported vix.module field: "+(sec.empty()?key:sec+"."+key); return false; };

while(std::getline(in,line)){auto hash=line.find('#');if(hash!=std::string::npos)line.resize(hash);line=trim(line);if(line.empty())continue; if(!pendingKey.empty()){pendingValue+=" "+line;if(line.find(']')==std::string::npos)continue; if(!assign(section,pendingKey,pendingValue))return r;pendingKey.clear();continue;} if(line.front()=='['){if(line.back()!=']'){r.error="malformed section";return r;}section=lower(trim(line.substr(1,line.size()-2))); git=nullptr; if(section.rfind("dependencies.",0)==0){std::string name=section.substr(13); if(name.size()>6&&name.substr(name.size()-6)==".cmake")name.resize(name.size()-6); if(!valid_name(name)){r.error="invalid dependency name";return r;} if(!seenSections.insert(section).second){r.error="duplicate dependency section: "+section;return r;} for(auto &d:r.manifest.gitDependencies)if(d.name==name){git=&d;break;} if(!git){r.manifest.gitDependencies.push_back({});git=&r.manifest.gitDependencies.back();git->name=name;} continue;} if(section!="routes"&&section!="deps"&&section!="tests"&&section!="websocket"&&section!="exports"){r.error="unsupported section: "+section;return r;}continue;}auto eq=line.find('=');if(eq==std::string::npos){r.error="malformed field";return r;}auto key=trim(line.substr(0,eq));auto value=trim(line.substr(eq+1));if(value.find('[')!=std::string::npos&&value.find(']')==std::string::npos){pendingKey=key;pendingValue=value;continue;}if(!assign(section,key,value))return r; }

if(!pendingKey.empty()){r.error="truncated array";return r;} if(!any){r.error="empty vix.module";return r;} if(!r.manifest.name.empty()&&!valid_name(r.manifest.name)){r.error="invalid module name";return r;} for(auto &d:r.manifest.gitDependencies){if(d.git.empty()){r.error="Git dependency '"+d.name+"' is missing field 'git'";return r;} int n=(!d.tag.empty())+(!d.branch.empty())+(!d.rev.empty());if(n>1){r.error="Git dependency '"+d.name+"' must use only one of tag, branch, or rev";return r;} if(!d.target.empty())d.targets.push_back(d.target); std::set<std::string> opts;for(const auto&o:d.cmakeOptions)if(!opts.insert(o.first).second){r.error="duplicate CMake option: "+o.first;return r;}} return r;