forked from lix-project/lix
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
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#include "graphml.hh"
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#include "util.hh"
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#include "store-api.hh"
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#include "derivations.hh"
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#include <iostream>
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using std::cout;
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namespace nix {
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static inline const string & xmlQuote(const string & s)
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{
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// Luckily, store paths shouldn't contain any character that needs to be
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// quoted.
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return s;
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}
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static string symbolicName(const string & path)
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{
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string p = baseNameOf(path);
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return string(p, p.find('-') + 1);
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}
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static string makeEdge(const string & src, const string & dst)
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{
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return fmt(" <edge source=\"%1%\" target=\"%2%\"/>\n",
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xmlQuote(src), xmlQuote(dst));
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}
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static string makeNode(const ValidPathInfo & info)
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{
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return fmt(
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" <node id=\"%1%\">\n"
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" <data key=\"narSize\">%2%</data>\n"
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" <data key=\"name\">%3%</data>\n"
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" <data key=\"type\">%4%</data>\n"
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" </node>\n",
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info.path,
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info.narSize,
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symbolicName(info.path),
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(isDerivation(info.path) ? "derivation" : "output-path"));
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}
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void printGraphML(ref<Store> store, const PathSet & roots)
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{
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PathSet workList(roots);
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PathSet doneSet;
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std::pair<PathSet::iterator,bool> ret;
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cout << "<?xml version='1.0' encoding='utf-8'?>\n"
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<< "<graphml xmlns='http://graphml.graphdrawing.org/xmlns'\n"
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<< " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'\n"
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<< " xsi:schemaLocation='http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd'>\n"
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<< "<key id='narSize' for='node' attr.name='narSize' attr.type='int'/>"
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<< "<key id='name' for='node' attr.name='name' attr.type='string'/>"
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<< "<key id='type' for='node' attr.name='type' attr.type='string'/>"
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<< "<graph id='G' edgedefault='directed'>\n";
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while (!workList.empty()) {
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Path path = *(workList.begin());
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workList.erase(path);
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ret = doneSet.insert(path);
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if (ret.second == false) continue;
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ValidPathInfo info = *(store->queryPathInfo(path));
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cout << makeNode(info);
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for (auto & p : store->queryPathInfo(path)->references) {
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if (p != path) {
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workList.insert(p);
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cout << makeEdge(path, p);
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}
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}
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}
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cout << "</graph>\n";
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cout << "</graphml>\n";
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}
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}
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