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Use std::string_view in a few more places

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This commit is contained in:
John Ericson 2020-06-12 21:12:36 +00:00
parent 2853ba4ab2
commit f6f01416b7
6 changed files with 12 additions and 12 deletions
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2
src/libfetchers/github.cc
View file

@ -76,7 +76,7 @@ struct GitHubInput : Input
readFile(
store->toRealPath(
downloadFile(store, url, "source", false).storePath)));
rev = Hash(json["sha"], htSHA1);
rev = Hash(std::string { json["sha"] }, htSHA1);
debug("HEAD revision for '%s' is %s", url, rev->gitRev());
}

4
src/libstore/store-api.cc
View file

@ -779,7 +779,7 @@ bool ValidPathInfo::isContentAddressed(const Store & store) const
};
if (hasPrefix(ca, "text:")) {
Hash hash(std::string(ca, 5));
Hash hash(ca.substr(5));
if (store.makeTextPath(path.name(), hash, references) == path)
return true;
else
@ -788,7 +788,7 @@ bool ValidPathInfo::isContentAddressed(const Store & store) const
else if (hasPrefix(ca, "fixed:")) {
FileIngestionMethod recursive { ca.compare(6, 2, "r:") == 0 };
Hash hash(std::string(ca, recursive == FileIngestionMethod::Recursive ? 8 : 6));
Hash hash(ca.substr(recursive == FileIngestionMethod::Recursive ? 8 : 6));
auto refs = cloneStorePathSet(references);
bool hasSelfReference = false;
if (refs.count(path)) {

4
src/libutil/hash.cc
View file

@ -125,7 +125,7 @@ std::string Hash::to_string(Base base, bool includeType) const
}
Hash::Hash(const std::string & s, HashType type)
Hash::Hash(std::string_view s, HashType type)
: type(type)
{
size_t pos = 0;
@ -194,7 +194,7 @@ Hash::Hash(const std::string & s, HashType type)
}
else if (isSRI || size == base64Len()) {
auto d = base64Decode(std::string(s, pos));
auto d = base64Decode(s.substr(pos));
if (d.size() != hashSize)
throw BadHash("invalid %s hash '%s'", isSRI ? "SRI" : "base-64", s);
assert(hashSize);

2
src/libutil/hash.hh
View file

@ -42,7 +42,7 @@ struct Hash
Subresource Integrity hash expression). If the 'type' argument
is htUnknown, then the hash type must be specified in the
string. */
Hash(const std::string & s, HashType type = htUnknown);
Hash(std::string_view s, HashType type = htUnknown);
void init();

6
src/libutil/util.cc
View file

@ -1314,7 +1314,7 @@ bool statusOk(int status)
}
bool hasPrefix(const string & s, const string & prefix)
bool hasPrefix(std::string_view s, std::string_view prefix)
{
return s.compare(0, prefix.size(), prefix) == 0;
}
@ -1408,7 +1408,7 @@ std::string filterANSIEscapes(const std::string & s, bool filterAll, unsigned in
static char base64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
string base64Encode(const string & s)
string base64Encode(std::string_view s)
{
string res;
int data = 0, nbits = 0;
@ -1429,7 +1429,7 @@ string base64Encode(const string & s)
}
string base64Decode(const string & s)
string base64Decode(std::string_view s)
{
bool init = false;
char decode[256];

6
src/libutil/util.hh
View file

@ -416,7 +416,7 @@ template<class N> bool string2Float(const string & s, N & n)
/* Return true iff `s' starts with `prefix'. */
bool hasPrefix(const string & s, const string & prefix);
bool hasPrefix(std::string_view s, std::string_view prefix);
/* Return true iff `s' ends in `suffix'. */
@ -455,8 +455,8 @@ std::string filterANSIEscapes(const std::string & s,
/* Base64 encoding/decoding. */
string base64Encode(const string & s);
string base64Decode(const string & s);
string base64Encode(std::string_view s);
string base64Decode(std::string_view s);
/* Get a value for the specified key from an associate container. */