1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/froyo/utils/String16.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,267 @@
1.4 +/*
1.5 + * Copyright (C) 2005 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_STRING16_H
1.21 +#define ANDROID_STRING16_H
1.22 +
1.23 +#include <utils/Errors.h>
1.24 +#include <utils/SharedBuffer.h>
1.25 +
1.26 +#include <stdint.h>
1.27 +#include <sys/types.h>
1.28 +
1.29 +// ---------------------------------------------------------------------------
1.30 +
1.31 +extern "C" {
1.32 +
1.33 +#if !defined(__cplusplus) || __cplusplus == 199711L // C or C++98
1.34 +typedef uint16_t char16_t;
1.35 +#endif
1.36 +
1.37 +// Standard string functions on char16 strings.
1.38 +int strcmp16(const char16_t *, const char16_t *);
1.39 +int strncmp16(const char16_t *s1, const char16_t *s2, size_t n);
1.40 +size_t strlen16(const char16_t *);
1.41 +size_t strnlen16(const char16_t *, size_t);
1.42 +char16_t *strcpy16(char16_t *, const char16_t *);
1.43 +char16_t *strncpy16(char16_t *, const char16_t *, size_t);
1.44 +
1.45 +// Version of comparison that supports embedded nulls.
1.46 +// This is different than strncmp() because we don't stop
1.47 +// at a nul character and consider the strings to be different
1.48 +// if the lengths are different (thus we need to supply the
1.49 +// lengths of both strings). This can also be used when
1.50 +// your string is not nul-terminated as it will have the
1.51 +// equivalent result as strcmp16 (unlike strncmp16).
1.52 +int strzcmp16(const char16_t *s1, size_t n1, const char16_t *s2, size_t n2);
1.53 +
1.54 +// Version of strzcmp16 for comparing strings in different endianness.
1.55 +int strzcmp16_h_n(const char16_t *s1H, size_t n1, const char16_t *s2N, size_t n2);
1.56 +
1.57 +// Convert UTF-8 to UTF-16 including surrogate pairs
1.58 +void utf8_to_utf16(const uint8_t *src, size_t srcLen, char16_t* dst, const size_t dstLen);
1.59 +
1.60 +}
1.61 +
1.62 +// ---------------------------------------------------------------------------
1.63 +
1.64 +namespace android {
1.65 +
1.66 +// ---------------------------------------------------------------------------
1.67 +
1.68 +class String8;
1.69 +class TextOutput;
1.70 +
1.71 +//! This is a string holding UTF-16 characters.
1.72 +class String16
1.73 +{
1.74 +public:
1.75 + String16();
1.76 + String16(const String16& o);
1.77 + String16(const String16& o,
1.78 + size_t len,
1.79 + size_t begin=0);
1.80 + explicit String16(const char16_t* o);
1.81 + explicit String16(const char16_t* o, size_t len);
1.82 + explicit String16(const String8& o);
1.83 + explicit String16(const char* o);
1.84 + explicit String16(const char* o, size_t len);
1.85 +
1.86 + ~String16();
1.87 +
1.88 + inline const char16_t* string() const;
1.89 + inline size_t size() const;
1.90 +
1.91 + inline const SharedBuffer* sharedBuffer() const;
1.92 +
1.93 + void setTo(const String16& other);
1.94 + status_t setTo(const char16_t* other);
1.95 + status_t setTo(const char16_t* other, size_t len);
1.96 + status_t setTo(const String16& other,
1.97 + size_t len,
1.98 + size_t begin=0);
1.99 +
1.100 + status_t append(const String16& other);
1.101 + status_t append(const char16_t* other, size_t len);
1.102 +
1.103 + inline String16& operator=(const String16& other);
1.104 +
1.105 + inline String16& operator+=(const String16& other);
1.106 + inline String16 operator+(const String16& other) const;
1.107 +
1.108 + status_t insert(size_t pos, const char16_t* chrs);
1.109 + status_t insert(size_t pos,
1.110 + const char16_t* chrs, size_t len);
1.111 +
1.112 + ssize_t findFirst(char16_t c) const;
1.113 + ssize_t findLast(char16_t c) const;
1.114 +
1.115 + bool startsWith(const String16& prefix) const;
1.116 + bool startsWith(const char16_t* prefix) const;
1.117 +
1.118 + status_t makeLower();
1.119 +
1.120 + status_t replaceAll(char16_t replaceThis,
1.121 + char16_t withThis);
1.122 +
1.123 + status_t remove(size_t len, size_t begin=0);
1.124 +
1.125 + inline int compare(const String16& other) const;
1.126 +
1.127 + inline bool operator<(const String16& other) const;
1.128 + inline bool operator<=(const String16& other) const;
1.129 + inline bool operator==(const String16& other) const;
1.130 + inline bool operator!=(const String16& other) const;
1.131 + inline bool operator>=(const String16& other) const;
1.132 + inline bool operator>(const String16& other) const;
1.133 +
1.134 + inline bool operator<(const char16_t* other) const;
1.135 + inline bool operator<=(const char16_t* other) const;
1.136 + inline bool operator==(const char16_t* other) const;
1.137 + inline bool operator!=(const char16_t* other) const;
1.138 + inline bool operator>=(const char16_t* other) const;
1.139 + inline bool operator>(const char16_t* other) const;
1.140 +
1.141 + inline operator const char16_t*() const;
1.142 +
1.143 +private:
1.144 + const char16_t* mString;
1.145 +};
1.146 +
1.147 +TextOutput& operator<<(TextOutput& to, const String16& val);
1.148 +
1.149 +// ---------------------------------------------------------------------------
1.150 +// No user servicable parts below.
1.151 +
1.152 +inline int compare_type(const String16& lhs, const String16& rhs)
1.153 +{
1.154 + return lhs.compare(rhs);
1.155 +}
1.156 +
1.157 +inline int strictly_order_type(const String16& lhs, const String16& rhs)
1.158 +{
1.159 + return compare_type(lhs, rhs) < 0;
1.160 +}
1.161 +
1.162 +inline const char16_t* String16::string() const
1.163 +{
1.164 + return mString;
1.165 +}
1.166 +
1.167 +inline size_t String16::size() const
1.168 +{
1.169 + return SharedBuffer::sizeFromData(mString)/sizeof(char16_t)-1;
1.170 +}
1.171 +
1.172 +inline const SharedBuffer* String16::sharedBuffer() const
1.173 +{
1.174 + return SharedBuffer::bufferFromData(mString);
1.175 +}
1.176 +
1.177 +inline String16& String16::operator=(const String16& other)
1.178 +{
1.179 + setTo(other);
1.180 + return *this;
1.181 +}
1.182 +
1.183 +inline String16& String16::operator+=(const String16& other)
1.184 +{
1.185 + append(other);
1.186 + return *this;
1.187 +}
1.188 +
1.189 +inline String16 String16::operator+(const String16& other) const
1.190 +{
1.191 + String16 tmp;
1.192 + tmp += other;
1.193 + return tmp;
1.194 +}
1.195 +
1.196 +inline int String16::compare(const String16& other) const
1.197 +{
1.198 + return strzcmp16(mString, size(), other.mString, other.size());
1.199 +}
1.200 +
1.201 +inline bool String16::operator<(const String16& other) const
1.202 +{
1.203 + return strzcmp16(mString, size(), other.mString, other.size()) < 0;
1.204 +}
1.205 +
1.206 +inline bool String16::operator<=(const String16& other) const
1.207 +{
1.208 + return strzcmp16(mString, size(), other.mString, other.size()) <= 0;
1.209 +}
1.210 +
1.211 +inline bool String16::operator==(const String16& other) const
1.212 +{
1.213 + return strzcmp16(mString, size(), other.mString, other.size()) == 0;
1.214 +}
1.215 +
1.216 +inline bool String16::operator!=(const String16& other) const
1.217 +{
1.218 + return strzcmp16(mString, size(), other.mString, other.size()) != 0;
1.219 +}
1.220 +
1.221 +inline bool String16::operator>=(const String16& other) const
1.222 +{
1.223 + return strzcmp16(mString, size(), other.mString, other.size()) >= 0;
1.224 +}
1.225 +
1.226 +inline bool String16::operator>(const String16& other) const
1.227 +{
1.228 + return strzcmp16(mString, size(), other.mString, other.size()) > 0;
1.229 +}
1.230 +
1.231 +inline bool String16::operator<(const char16_t* other) const
1.232 +{
1.233 + return strcmp16(mString, other) < 0;
1.234 +}
1.235 +
1.236 +inline bool String16::operator<=(const char16_t* other) const
1.237 +{
1.238 + return strcmp16(mString, other) <= 0;
1.239 +}
1.240 +
1.241 +inline bool String16::operator==(const char16_t* other) const
1.242 +{
1.243 + return strcmp16(mString, other) == 0;
1.244 +}
1.245 +
1.246 +inline bool String16::operator!=(const char16_t* other) const
1.247 +{
1.248 + return strcmp16(mString, other) != 0;
1.249 +}
1.250 +
1.251 +inline bool String16::operator>=(const char16_t* other) const
1.252 +{
1.253 + return strcmp16(mString, other) >= 0;
1.254 +}
1.255 +
1.256 +inline bool String16::operator>(const char16_t* other) const
1.257 +{
1.258 + return strcmp16(mString, other) > 0;
1.259 +}
1.260 +
1.261 +inline String16::operator const char16_t*() const
1.262 +{
1.263 + return mString;
1.264 +}
1.265 +
1.266 +}; // namespace android
1.267 +
1.268 +// ---------------------------------------------------------------------------
1.269 +
1.270 +#endif // ANDROID_STRING16_H
