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WIP Completed implementation

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This commit is contained in:
Carlo Nucera 2020-06-02 15:18:05 -04:00
parent 390bf64858
commit 343c20a404
1 changed files with 8 additions and 40 deletions
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48
src/libstore/file-hash.cc
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@ -45,55 +45,23 @@ ContentAddress parseContentAddress(std::string_view rawCa) {
auto prefix = string(rawCa, 0, prefixSeparator); auto prefix = string(rawCa, 0, prefixSeparator);
if (prefix == "text") { if (prefix == "text") {
auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos); auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos);
auto hashSeparator = hashTypeAndHash.find(':'); return TextHash { Hash(string(hashTypeAndHash)) };
if (hashSeparator != string::npos) {
std::string_view hashTypeRaw = hashTypeAndHash.substr(0, hashSeparator);
std::string_view hashRaw = hashTypeAndHash.substr(hashSeparator+1, string::npos);
auto hashType = parseHashType(string(hashTypeRaw));
return TextHash { Hash(string(hashRaw), hashType) };
} else {
throw "parseContentAddress: hash type not found";
}
} else if (prefix == "fixed") { } else if (prefix == "fixed") {
// This has to be an inverse to makeFixedOutputCA
auto methodAndHash = rawCa.substr(prefixSeparator+1, string::npos); auto methodAndHash = rawCa.substr(prefixSeparator+1, string::npos);
if (methodAndHash.substr(0,2) == "r:") { if (methodAndHash.substr(0,2) == "r:") {
std::string_view hashRaw = methodAndHash.substr(2,string::npos); std::string_view hashRaw = methodAndHash.substr(2,string::npos);
return FileSystemHash { FileIngestionMethod::Recursive, } return FileSystemHash { FileIngestionMethod::Recursive, Hash(string(hashRaw)) };
} else {
std::string_view hashRaw = methodAndHash;
return FileSystemHash { FileIngestionMethod::Flat, Hash(string(hashRaw)) };
} }
} else {
throw "parseContentAddress: format not recognized; has to be text or fixed";
// break;
// } else {
// throw "parseContentAddress: invalid prefix";
} }
} else { } else {
throw "Not a content address because it lacks an appropriate prefix"; throw "Not a content address because it lacks an appropriate prefix";
} }
// if (getString(rawCa, 5) == "text:") {
// auto hashTypeAndHash = string::substr(5, string::npos);
// auto sep = hashTypeAndHash.find(':');
// if (sep != string::npos) {
// string hashTypeRaw = string(hashTypeAndHash, 0, sep);
// auto hashType = parseHashType(hashTypeRaw);
// }
// break;
// // } else if (getString (rawCa, 6) = "fixed:") {
// } else if (true) {
// break;
// }
// auto sep = rawCa.find(':');
// if (sep == string::npos)
// if(string(rawCa, 5) == "text:") {
// break;
// } else if {}
// throw Error("TODO");
}; };
std::optional<ContentAddress> parseContentAddressOpt(std::string_view rawCaOpt) { std::optional<ContentAddress> parseContentAddressOpt(std::string_view rawCaOpt) {