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libutil: add editorFor heuristic

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zimbatm 2019-10-23 16:48:28 +02:00
parent 73ff84f6a8
commit 207a537343
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4 changed files with 23 additions and 21 deletions
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13
src/libutil/args.cc
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@ -178,6 +178,19 @@ Strings argvToStrings(int argc, char * * argv)
return args;
}
Strings editorFor(std::string filename, int lineno)
{
auto editor = getEnv("EDITOR", "cat");
auto args = tokenizeString<Strings>(editor);
if (lineno > 0 && (
editor.find("emacs") != std::string::npos ||
editor.find("nano") != std::string::npos ||
editor.find("vim") != std::string::npos))
args.push_back(fmt("+%d", lineno));
args.push_back(filename);
return args;
}
std::string renderLabels(const Strings & labels)
{
std::string res;

3
src/libutil/args.hh
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@ -190,6 +190,9 @@ public:
Strings argvToStrings(int argc, char * * argv);
/* Helper function to generate args that invoke $EDITOR on filename:lineno */
Strings editorFor(std::string filename, int lineno);
/* Helper function for rendering argument labels. */
std::string renderLabels(const Strings & labels);