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 <utils/Errors.h> 22 #include <sys/types.h> 23 24 namespace android { 25 26 class String8; 27 class Parcel; 28 29 struct AString { 30 AString(); 31 AString(const char *s); // NOLINT, implicit conversion 32 AString(const char *s, size_t size); 33 AString(const String8 &from); // NOLINT, implicit conversion 34 AString(const AString &from); 35 AString(const AString &from, size_t offset, size_t n); 36 ~AString(); 37 38 AString &operator=(const AString &from); 39 void setTo(const char *s); 40 void setTo(const char *s, size_t size); 41 void setTo(const AString &from, size_t offset, size_t n); 42 43 size_t size() const; 44 const char *c_str() const; 45 46 bool empty() const; 47 48 void clear(); 49 void trim(); 50 void erase(size_t start, size_t n); 51 appendAString52 void append(char c) { append(&c, 1); } 53 void append(const char *s); 54 void append(const char *s, size_t size); 55 void append(const AString &from); 56 void append(const AString &from, size_t offset, size_t n); 57 void append(int x); 58 void append(unsigned x); 59 void append(long x); 60 void append(unsigned long x); 61 void append(long long x); 62 void append(unsigned long long x); 63 void append(float x); 64 void append(double x); 65 void append(void *x); 66 67 void insert(const AString &from, size_t insertionPos); 68 void insert(const char *from, size_t size, size_t insertionPos); 69 70 ssize_t find(const char *substring, size_t start = 0) const; 71 72 size_t hash() const; 73 74 bool operator==(const AString &other) const; 75 bool operator!=(const AString &other) const { 76 return !operator==(other); 77 } 78 bool operator<(const AString &other) const; 79 bool operator>(const AString &other) const; 80 81 int compare(const AString &other) const; 82 int compareIgnoreCase(const AString &other) const; 83 84 bool equalsIgnoreCase(const AString &other) const; 85 bool startsWith(const char *prefix) const; 86 bool endsWith(const char *suffix) const; 87 bool startsWithIgnoreCase(const char *prefix) const; 88 bool endsWithIgnoreCase(const char *suffix) const; 89 90 void tolower(); 91 92 static AString FromParcel(const Parcel &parcel); 93 status_t writeToParcel(Parcel *parcel) const; 94 95 private: 96 static const char *kEmptyString; 97 98 char *mData; 99 size_t mSize; 100 size_t mAllocSize; 101 102 void makeMutable(); 103 }; 104 105 AString AStringPrintf(const char *format, ...); 106 107 } // namespace android 108 109 #endif // A_STRING_H_ 110 111