-void llvm::SplitString(const std::string &Source,
- std::vector<std::string> &OutFragments,
- const char *Delimiters) {
- std::string S = Source;
-
- std::string S2 = getToken(S, Delimiters);
- while (!S2.empty()) {
- OutFragments.push_back(S2);
- S2 = getToken(S, Delimiters);
- }
-}
-
-
-
-/// UnescapeString - Modify the argument string, turning two character sequences
-/// @verbatim
-/// like '\\' 'n' into '\n'. This handles: \e \a \b \f \n \r \t \v \' \ and
-/// \num (where num is a 1-3 byte octal value).
-/// @endverbatim
-void llvm::UnescapeString(std::string &Str) {
- for (unsigned i = 0; i != Str.size(); ++i) {
- if (Str[i] == '\\' && i != Str.size()-1) {
- switch (Str[i+1]) {
- default: continue; // Don't execute the code after the switch.
- case 'a': Str[i] = '\a'; break;
- case 'b': Str[i] = '\b'; break;
- case 'e': Str[i] = 27; break;
- case 'f': Str[i] = '\f'; break;
- case 'n': Str[i] = '\n'; break;
- case 'r': Str[i] = '\r'; break;
- case 't': Str[i] = '\t'; break;
- case 'v': Str[i] = '\v'; break;
- case '"': Str[i] = '\"'; break;
- case '\'': Str[i] = '\''; break;
- case '\\': Str[i] = '\\'; break;
- }
- // Nuke the second character.
- Str.erase(Str.begin()+i+1);
- }
- }
-}
-
-/// EscapeString - Modify the argument string, turning '\\' and anything that
-/// doesn't satisfy std::isprint into an escape sequence.
-void llvm::EscapeString(std::string &Str) {
- for (unsigned i = 0; i != Str.size(); ++i) {
- if (Str[i] == '\\') {
- ++i;
- Str.insert(Str.begin()+i, '\\');
- } else if (Str[i] == '\t') {
- Str[i++] = '\\';
- Str.insert(Str.begin()+i, 't');
- } else if (Str[i] == '"') {
- Str.insert(Str.begin()+i++, '\\');
- } else if (Str[i] == '\n') {
- Str[i++] = '\\';
- Str.insert(Str.begin()+i, 'n');
- } else if (!std::isprint(Str[i])) {
- // Always expand to a 3-digit octal escape.
- unsigned Char = Str[i];
- Str[i++] = '\\';
- Str.insert(Str.begin()+i++, '0'+((Char/64) & 7));
- Str.insert(Str.begin()+i++, '0'+((Char/8) & 7));
- Str.insert(Str.begin()+i , '0'+( Char & 7));
- }
+void llvm::SplitString(StringRef Source,
+ SmallVectorImpl<StringRef> &OutFragments,
+ StringRef Delimiters) {
+ std::pair<StringRef, StringRef> S = getToken(Source, Delimiters);
+ while (!S.first.empty()) {
+ OutFragments.push_back(S.first);
+ S = getToken(S.second, Delimiters);