max/nix-super
1
0
Fork 0
mirror of https://github.com/privatevoid-net/nix-super.git synced 2024-11-26 15:56:18 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

repl: complete if all matches share prefix

Browse source
This commit is contained in:
Will Dietz 2018-06-26 13:06:46 -05:00
parent 3d974d31fa
commit 9f998096d2
1 changed files with 18 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/nix/repl.cc
View file

@ -132,6 +132,24 @@ static char * completionCallback(char * s, int *match) {
auto *res = strdup(possible.begin()->c_str() + strlen(s)); auto *res = strdup(possible.begin()->c_str() + strlen(s));
if (!res) throw Error("allocation failure"); if (!res) throw Error("allocation failure");
return res; return res;
} else if (possible.size() > 1) {
auto checkAllHaveSameAt = [&](size_t pos) {
auto &first = *possible.begin();
for (auto &p : possible) {
if (p.size() <= pos || p[pos] != first[pos])
return false;
}
return true;
};
size_t start = strlen(s);
size_t len = 0;
while (checkAllHaveSameAt(start + len)) ++len;
if (len > 0) {
*match = 1;
auto *res = strdup(std::string(*possible.begin(), start, len).c_str());
if (!res) throw Error("allocation failure");
return res;
}
} }
*match = 0; *match = 0;