1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef A_STRING_H_ 18 19 #define A_STRING_H_ 20 21 #include <sys/types.h> 22 23 namespace android { 24 25 struct AString { 26 AString(); 27 AString(const char *s); 28 AString(const char *s, size_t size); 29 AString(const AString &from); 30 AString(const AString &from, size_t offset, size_t n); 31 ~AString(); 32 33 AString &operator=(const AString &from); 34 void setTo(const char *s); 35 void setTo(const char *s, size_t size); 36 void setTo(const AString &from, size_t offset, size_t n); 37 38 size_t size() const; 39 const char *c_str() const; 40 41 bool empty() const; 42 43 void clear(); 44 void trim(); 45 void erase(size_t start, size_t n); 46 47 void append(char c) { append(&c, 1); } 48 void append(const char *s); 49 void append(const char *s, size_t size); 50 void append(const AString &from); 51 void append(const AString &from, size_t offset, size_t n); 52 void append(int x); 53 void append(unsigned x); 54 void append(long x); 55 void append(unsigned long x); 56 void append(long long x); 57 void append(unsigned long long x); 58 void append(float x); 59 void append(double x); 60 void append(void *x); 61 62 void insert(const AString &from, size_t insertionPos); 63 void insert(const char *from, size_t size, size_t insertionPos); 64 65 ssize_t find(const char *substring, size_t start = 0) const; 66 67 size_t hash() const; 68 69 bool operator==(const AString &other) const; 70 bool operator<(const AString &other) const; 71 bool operator>(const AString &other) const; 72 73 int compare(const AString &other) const; 74 75 bool startsWith(const char *prefix) const; 76 bool endsWith(const char *suffix) const; 77 78 void tolower(); 79 80 private: 81 static const char *kEmptyString; 82 83 char *mData; 84 size_t mSize; 85 size_t mAllocSize; 86 87 void makeMutable(); 88 }; 89 90 AString StringPrintf(const char *format, ...); 91 92 } // namespace android 93 94 #endif // A_STRING_H_ 95 96
