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Templatise tokenizeString()

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This commit is contained in:
Eelco Dolstra 2012-09-19 15:43:23 -04:00
parent 00092b2d35
commit 76e88871b2
10 changed files with 30 additions and 39 deletions
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2
src/libexpr/attr-path.cc
View file

@ -10,7 +10,7 @@ namespace nix {
void findAlongAttrPath(EvalState & state, const string & attrPath,
Bindings & autoArgs, Expr * e, Value & v)
{
Strings tokens = tokenizeString(attrPath, ".");
Strings tokens = tokenizeString<Strings>(attrPath, ".");
Error attrError =
Error(format("attribute selection path `%1%' does not match expression") % attrPath);

2
src/libexpr/eval.cc
View file

@ -179,7 +179,7 @@ EvalState::EvalState()
/* Initialise the Nix expression search path. */
searchPathInsertionPoint = searchPath.end();
Strings paths = tokenizeString(getEnv("NIX_PATH", ""), ":");
Strings paths = tokenizeString<Strings>(getEnv("NIX_PATH", ""), ":");
foreach (Strings::iterator, i, paths) addToSearchPath(*i);
addToSearchPath("nix=" + settings.nixDataDir + "/nix/corepkgs");
searchPathInsertionPoint = searchPath.begin();

2
src/libexpr/primops.cc
View file

@ -363,7 +363,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
else throw EvalError(format("invalid value `%1%' for `outputHashMode' attribute") % s);
}
else if (key == "outputs") {
Strings tmp = tokenizeString(s);
Strings tmp = tokenizeString<Strings>(s);
outputs.clear();
foreach (Strings::iterator, j, tmp) {
if (outputs.find(*j) != outputs.end())

19
src/libstore/build.cc
View file

@ -1435,7 +1435,7 @@ HookReply DerivationGoal::tryBuildHook()
/* Tell the hook about system features (beyond the system type)
required from the build machine. (The hook could parse the
drv file itself, but this is easier.) */
Strings features = tokenizeString(drv.env["requiredSystemFeatures"]);
Strings features = tokenizeString<Strings>(drv.env["requiredSystemFeatures"]);
foreach (Strings::iterator, i, features) checkStoreName(*i); /* !!! abuse */
/* Send the request to the hook. */
@ -1594,7 +1594,7 @@ void DerivationGoal::startBuilder()
fixed-output derivations is by definition pure (since we
already know the cryptographic hash of the output). */
if (fixedOutput) {
Strings varNames = tokenizeString(drv.env["impureEnvVars"]);
Strings varNames = tokenizeString<Strings>(drv.env["impureEnvVars"]);
foreach (Strings::iterator, i, varNames) env[*i] = getEnv(*i);
}
@ -1606,7 +1606,7 @@ void DerivationGoal::startBuilder()
by `nix-store --register-validity'. However, the deriver
fields are left empty. */
string s = drv.env["exportReferencesGraph"];
Strings ss = tokenizeString(s);
Strings ss = tokenizeString<Strings>(s);
if (ss.size() % 2 != 0)
throw BuildError(format("odd number of tokens in `exportReferencesGraph': `%1%'") % s);
for (Strings::iterator i = ss.begin(); i != ss.end(); ) {
@ -1911,14 +1911,11 @@ void DerivationGoal::initChild()
outside of the namespace. Making a subtree private is
local to the namespace, though, so setting MS_PRIVATE
does not affect the outside world. */
Strings mounts = tokenizeString(readFile("/proc/self/mountinfo", true), "\n");
Strings mounts = tokenizeString<Strings>(readFile("/proc/self/mountinfo", true), "\n");
foreach (Strings::iterator, i, mounts) {
Strings fields = tokenizeString(*i, " ");
assert(fields.size() >= 5);
Strings::iterator j = fields.begin();
std::advance(j, 4);
if (mount(0, j->c_str(), 0, MS_PRIVATE, 0) == -1)
throw SysError(format("unable to make filesystem `%1%' private") % *j);
vector<string> fields = tokenizeString<vector<string> >(*i, " ");
if (mount(0, fields.at(4).c_str(), 0, MS_PRIVATE, 0) == -1)
throw SysError(format("unable to make filesystem `%1%' private") % fields.at(4));
}
/* Bind-mount all the directories from the "host"
@ -2053,7 +2050,7 @@ void DerivationGoal::initChild()
PathSet parseReferenceSpecifiers(const Derivation & drv, string attr)
{
PathSet result;
Paths paths = tokenizeString(attr);
Paths paths = tokenizeString<Paths>(attr);
foreach (Strings::iterator, i, paths) {
if (isStorePath(*i))
result.insert(*i);

2
src/libstore/gc.cc
View file

@ -373,7 +373,7 @@ static void addAdditionalRoots(StoreAPI & store, PathSet & roots)
string result = runProgram(rootFinder);
Strings paths = tokenizeString(result, "\n");
Strings paths = tokenizeString<Strings>(result, "\n");
foreach (Strings::iterator, i, paths) {
if (isInStore(*i)) {

20
src/libstore/globals.cc
View file

@ -65,15 +65,7 @@ void Settings::processEnvironment()
substituters.push_back(nixLibexecDir + "/nix/substituters/download-using-manifests.pl");
substituters.push_back(nixLibexecDir + "/nix/substituters/download-from-binary-cache.pl");
} else
substituters = tokenizeString(subs, ":");
}
string & at(Strings & ss, unsigned int n)
{
Strings::iterator i = ss.begin();
advance(i, n);
return *i;
substituters = tokenizeString<Strings>(subs, ":");
}
@ -95,15 +87,15 @@ void Settings::loadConfFile()
if (hash != string::npos)
line = string(line, 0, hash);
Strings tokens = tokenizeString(line);
vector<string> tokens = tokenizeString<vector<string> >(line);
if (tokens.empty()) continue;
if (tokens.size() < 2 || at(tokens, 1) != "=")
if (tokens.size() < 2 || tokens[1] != "=")
throw Error(format("illegal configuration line `%1%' in `%2%'") % line % settingsFile);
string name = at(tokens, 0);
string name = tokens[0];
Strings::iterator i = tokens.begin();
vector<string>::iterator i = tokens.begin();
advance(i, 2);
settings[name] = concatStringsSep(" ", Strings(i, tokens.end())); // FIXME: slow
};
@ -170,7 +162,7 @@ void Settings::get(PathSet & res, const string & name)
SettingsMap::iterator i = settings.find(name);
if (i == settings.end()) return;
res.clear();
Strings ss = tokenizeString(i->second);
Strings ss = tokenizeString<Strings>(i->second);
res.insert(ss.begin(), ss.end());
}

6
src/libstore/local-store.cc
View file

@ -1435,7 +1435,7 @@ Path LocalStore::importPath(bool requireSignature, Source & source)
/* Lock the output path. But don't lock if we're being called
from a build hook (whose parent process already acquired a
lock on this path). */
Strings locksHeld = tokenizeString(getEnv("NIX_HELD_LOCKS"));
Strings locksHeld = tokenizeString<Strings>(getEnv("NIX_HELD_LOCKS"));
if (find(locksHeld.begin(), locksHeld.end(), dstPath) == locksHeld.end())
outputLock.lockPaths(singleton<PathSet, Path>(dstPath));
@ -1645,7 +1645,7 @@ ValidPathInfo LocalStore::queryPathInfoOld(const Path & path)
string info = readFile(infoFile);
/* Parse it. */
Strings lines = tokenizeString(info, "\n");
Strings lines = tokenizeString<Strings>(info, "\n");
foreach (Strings::iterator, i, lines) {
string::size_type p = i->find(':');
@ -1654,7 +1654,7 @@ ValidPathInfo LocalStore::queryPathInfoOld(const Path & path)
string name(*i, 0, p);
string value(*i, p + 2);
if (name == "References") {
Strings refs = tokenizeString(value, " ");
Strings refs = tokenizeString<Strings>(value, " ");
res.references = PathSet(refs.begin(), refs.end());
} else if (name == "Deriver") {
res.deriver = value;

7
src/libutil/util.cc
View file

@ -984,9 +984,9 @@ void _interrupted()
//////////////////////////////////////////////////////////////////////
Strings tokenizeString(const string & s, const string & separators)
template<class C> C tokenizeString(const string & s, const string & separators)
{
Strings result;
C result;
string::size_type pos = s.find_first_not_of(separators, 0);
while (pos != string::npos) {
string::size_type end = s.find_first_of(separators, pos + 1);
@ -998,6 +998,9 @@ Strings tokenizeString(const string & s, const string & separators)
return result;
}
template Strings tokenizeString(const string & s, const string & separators);
template vector<string> tokenizeString(const string & s, const string & separators);
string concatStringsSep(const string & sep, const Strings & ss)
{

2
src/libutil/util.hh
View file

@ -286,7 +286,7 @@ MakeError(Interrupted, BaseError)
/* String tokenizer. */
Strings tokenizeString(const string & s, const string & separators = " \t\n\r");
template<class C> C tokenizeString(const string & s, const string & separators = " \t\n\r");
/* Concatenate the given strings with a separator between the

7
src/nix-setuid-helper/nix-setuid-helper.cc
View file

@ -193,16 +193,15 @@ static void run(int argc, char * * argv)
if (st.st_mode & (S_IWGRP | S_IWOTH))
throw Error(format("`%1%' should not be group or world-writable") % configFile);
Strings tokens = tokenizeString(readFile(fdConfig));
vector<string> tokens = tokenizeString<vector<string> >(readFile(fdConfig));
fdConfig.close();
if (tokens.size() != 2)
throw Error(format("parse error in `%1%'") % configFile);
Strings::iterator i = tokens.begin();
string nixUser = *i++;
string buildUsersGroup = *i++;
string nixUser = tokens[0];
string buildUsersGroup = tokens[1];
/* Check that the caller (real uid) is the one allowed to call