diff options
Diffstat (limited to 'third_party/nix/src/libstore/derivations.cc')
| -rw-r--r-- | third_party/nix/src/libstore/derivations.cc | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/third_party/nix/src/libstore/derivations.cc b/third_party/nix/src/libstore/derivations.cc index 9c71d7209e37..f8770327bf9e 100644 --- a/third_party/nix/src/libstore/derivations.cc +++ b/third_party/nix/src/libstore/derivations.cc @@ -11,11 +11,11 @@ namespace nix { void DerivationOutput::parseHashInfo(bool& recursive, Hash& hash) const { recursive = false; - string algo = hashAlgo; + std::string algo = hashAlgo; - if (string(algo, 0, 2) == "r:") { + if (std::string(algo, 0, 2) == "r:") { recursive = true; - algo = string(algo, 2); + algo = std::string(algo, 2); } HashType hashType = parseHashType(algo); @@ -26,7 +26,7 @@ void DerivationOutput::parseHashInfo(bool& recursive, Hash& hash) const { hash = Hash(this->hash, hashType); } -Path BasicDerivation::findOutput(const string& id) const { +Path BasicDerivation::findOutput(const std::string& id) const { auto i = outputs.find(id); if (i == outputs.end()) { throw Error(format("derivation has no output '%1%'") % id); @@ -35,11 +35,11 @@ Path BasicDerivation::findOutput(const string& id) const { } bool BasicDerivation::isBuiltin() const { - return string(builder, 0, 8) == "builtin:"; + return std::string(builder, 0, 8) == "builtin:"; } Path writeDerivation(const ref<Store>& store, const Derivation& drv, - const string& name, RepairFlag repair) { + const std::string& name, RepairFlag repair) { PathSet references; references.insert(drv.inputSrcs.begin(), drv.inputSrcs.end()); for (auto& i : drv.inputDrvs) { @@ -48,25 +48,25 @@ Path writeDerivation(const ref<Store>& store, const Derivation& drv, /* Note that the outputs of a derivation are *not* references (that can be missing (of course) and should not necessarily be held during a garbage collection). */ - string suffix = name + drvExtension; - string contents = drv.unparse(); + std::string suffix = name + drvExtension; + std::string contents = drv.unparse(); return settings.readOnlyMode ? store->computeStorePathForText(suffix, contents, references) : store->addTextToStore(suffix, contents, references, repair); } /* Read string `s' from stream `str'. */ -static void expect(std::istream& str, const string& s) { +static void expect(std::istream& str, const std::string& s) { char s2[s.size()]; str.read(s2, s.size()); - if (string(s2, s.size()) != s) { + if (std::string(s2, s.size()) != s) { throw FormatError(format("expected string '%1%'") % s); } } /* Read a C-style string from stream `str'. */ -static string parseString(std::istream& str) { - string res; +static std::string parseString(std::istream& str) { + std::string res; expect(str, "\""); int c; while ((c = str.get()) != '"') { @@ -89,7 +89,7 @@ static string parseString(std::istream& str) { } static Path parsePath(std::istream& str) { - string s = parseString(str); + std::string s = parseString(str); if (s.empty() || s[0] != '/') { throw FormatError(format("bad path '%1%' in derivation") % s); } @@ -116,7 +116,7 @@ static StringSet parseStrings(std::istream& str, bool arePaths) { return res; } -static Derivation parseDerivation(const string& s) { +static Derivation parseDerivation(const std::string& s) { Derivation drv; istringstream_nocopy str(s); expect(str, "Derive(["); @@ -125,7 +125,7 @@ static Derivation parseDerivation(const string& s) { while (!endOfList(str)) { DerivationOutput out; expect(str, "("); - string id = parseString(str); + std::string id = parseString(str); expect(str, ","); out.path = parsePath(str); expect(str, ","); @@ -163,9 +163,9 @@ static Derivation parseDerivation(const string& s) { expect(str, ",["); while (!endOfList(str)) { expect(str, "("); - string name = parseString(str); + std::string name = parseString(str); expect(str, ","); - string value = parseString(str); + std::string value = parseString(str); expect(str, ")"); drv.env[name] = value; } @@ -195,7 +195,7 @@ Derivation Store::derivationFromPath(const Path& drvPath) { } } -static void printString(string& res, const string& s) { +static void printString(std::string& res, const std::string& s) { res += '"'; for (const char* i = s.c_str(); *i != 0; i++) { if (*i == '\"' || *i == '\\') { @@ -215,7 +215,8 @@ static void printString(string& res, const string& s) { } template <class ForwardIterator> -static void printStrings(string& res, ForwardIterator i, ForwardIterator j) { +static void printStrings(std::string& res, ForwardIterator i, + ForwardIterator j) { res += '['; bool first = true; for (; i != j; ++i) { @@ -229,8 +230,8 @@ static void printStrings(string& res, ForwardIterator i, ForwardIterator j) { res += ']'; } -string Derivation::unparse() const { - string s; +std::string Derivation::unparse() const { + std::string s; s.reserve(65536); s += "Derive(["; @@ -297,7 +298,7 @@ string Derivation::unparse() const { return s; } -bool isDerivation(const string& fileName) { +bool isDerivation(const std::string& fileName) { return hasSuffix(fileName, drvExtension); } @@ -354,22 +355,23 @@ Hash hashDerivationModulo(Store& store, Derivation drv) { return hashString(htSHA256, drv.unparse()); } -DrvPathWithOutputs parseDrvPathWithOutputs(const string& s) { +DrvPathWithOutputs parseDrvPathWithOutputs(const std::string& s) { size_t n = s.find('!'); return n == std::string::npos - ? DrvPathWithOutputs(s, std::set<string>()) - : DrvPathWithOutputs( - string(s, 0, n), - tokenizeString<std::set<string> >(string(s, n + 1), ",")); + ? DrvPathWithOutputs(s, std::set<std::string>()) + : DrvPathWithOutputs(std::string(s, 0, n), + tokenizeString<std::set<std::string> >( + std::string(s, n + 1), ",")); } Path makeDrvPathWithOutputs(const Path& drvPath, - const std::set<string>& outputs) { + const std::set<std::string>& outputs) { return outputs.empty() ? drvPath : drvPath + "!" + concatStringsSep(",", outputs); } -bool wantOutput(const string& output, const std::set<string>& wanted) { +bool wantOutput(const std::string& output, + const std::set<std::string>& wanted) { return wanted.empty() || wanted.find(output) != wanted.end(); } |