Jon Parise's further modifications to join

This commit is contained in:
Jon Parise 2003-01-29 18:09:18 +00:00 committed by David Rose
parent 409665cdbf
commit 61a41165bf

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@ -2401,19 +2401,18 @@ expand_wordsubst(const string &params) {
string PPScope:: string PPScope::
expand_join(const string &params) { expand_join(const string &params) {
// Split the string up into tokens based on the spaces. // Split the string up into tokens based on the spaces.
vector<string> words; vector<string> tokens;
tokenize_whitespace(expand_string(params), words); tokenize_params(params, tokens, true);
if (words.size() < 2) { if (tokens.size() != 2) {
cerr << "joins requires at least two parameters.\n"; cerr << "join requires two parameters.\n";
return string(); return string();
} }
const string sep(words[0]); const string &sep = tokens[0];
vector<string> words;
tokenize_whitespace(expand_string(tokens[1]), words);
// Remove the first word in the list (which we use as the separator).
words.erase(words.begin());
string result = repaste(words, sep); string result = repaste(words, sep);
return result; return result;
} }