1 //===- llvm/ADT/SmallString.h - 'Normally small' strings --------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the SmallString class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_ADT_SMALLSTRING_H
15 #define LLVM_ADT_SMALLSTRING_H
17 #include "llvm/ADT/SmallVector.h"
18 #include "llvm/ADT/StringRef.h"
22 /// SmallString - A SmallString is just a SmallVector with methods and accessors
23 /// that make it work better as a string (e.g. operator+ etc).
24 template<unsigned InternalLen>
25 class SmallString : public SmallVector<char, InternalLen> {
27 // Default ctor - Initialize to empty.
30 // Initialize with a range.
31 template<typename ItTy>
32 SmallString(ItTy S, ItTy E) : SmallVector<char, InternalLen>(S, E) {}
35 SmallString(const SmallString &RHS) : SmallVector<char, InternalLen>(RHS) {}
39 StringRef str() const { return StringRef(this->begin(), this->size()); }
48 const SmallString &operator=(StringRef RHS) {
53 SmallString &operator+=(StringRef RHS) {
54 this->append(RHS.begin(), RHS.end());
57 SmallString &operator+=(char C) {