use string instead of argument vector for commands

1 files changed, 13 insertions, 0 deletions

diff --git a/frontend/strings.cpp b/frontend/strings.cpp
index 70fed85..687309d 100644
--- a/frontend/strings.cpp
+++ b/frontend/strings.cpp
@@ -58,3 +58,16 @@ string str_title(const string & input) {
 	return out;
 }
 
+string str_consume_arg(string & argv) {
+	const char * delim = " \t";
+	size_t start = argv.find_first_not_of(delim);
+	if (start == string::npos) start = 0;
+	size_t end = argv.find_first_of(delim, start);
+	if (end == string::npos) end = argv.size();
+	string out = argv.substr(start, end - start);
+	size_t nextarg = argv.find_first_not_of(delim, end);
+	if (nextarg == string::npos) nextarg = end;
+	argv = argv.substr(nextarg);
+	return out;
+}
+