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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82337 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
//===- llvm/ADT/SmallString.h - 'Normally small' strings --------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the SmallString class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ADT_SMALLSTRING_H
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#define LLVM_ADT_SMALLSTRING_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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/// SmallString - A SmallString is just a SmallVector with methods and accessors
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/// that make it work better as a string (e.g. operator+ etc).
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template<unsigned InternalLen>
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class SmallString : public SmallVector<char, InternalLen> {
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public:
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// Default ctor - Initialize to empty.
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SmallString() {}
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// Initialize with a range.
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template<typename ItTy>
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SmallString(ItTy S, ItTy E) : SmallVector<char, InternalLen>(S, E) {}
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// Copy ctor.
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SmallString(const SmallString &RHS) : SmallVector<char, InternalLen>(RHS) {}
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// Extra methods.
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StringRef str() const { return StringRef(this->begin(), this->size()); }
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const char *c_str() {
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this->push_back(0);
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this->pop_back();
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return this->data();
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}
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// Extra operators.
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const SmallString &operator=(StringRef RHS) {
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this->clear();
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return *this += RHS;
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}
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SmallString &operator+=(StringRef RHS) {
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this->append(RHS.begin(), RHS.end());
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return *this;
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}
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SmallString &operator+=(char C) {
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this->push_back(C);
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return *this;
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}
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};
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}
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#endif
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