String8.cpp revision 6b53e8daa69cba1a2a5a7c95a01e37ce9c53226c
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 20300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root#include <utils/Unicode.h> 21300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root#include <utils/SharedBuffer.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String16.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/TextOutput.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/utils/Static.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ctype.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa/* 31f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa * Functions outside android is below the namespace android, since they use 32f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa * functions and constants in android namespace. 33f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa */ 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawanamespace android { 38f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Separator used by resource paths. This is not platform dependent contrary 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// to OS_PATH_SEPARATOR. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define RES_PATH_SEPARATOR '/' 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic SharedBuffer* gEmptyStringBuf = NULL; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic char* gEmptyString = NULL; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectextern int gDarwinCantLoadAllObjects; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint gDarwinIsReallyAnnoying; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline char* getEmptyString() 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gEmptyStringBuf->acquire(); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gEmptyString; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid initialize_string8() 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5708b3d2e5ef01a5114424a871934dd9fc153352c0Dan Egnor // HACK: This dummy dependency forces linking libutils Static.cpp, 5808b3d2e5ef01a5114424a871934dd9fc153352c0Dan Egnor // which is needed to initialize String8/String16 classes. 5908b3d2e5ef01a5114424a871934dd9fc153352c0Dan Egnor // These variables are named for Darwin, but are needed elsewhere too, 6008b3d2e5ef01a5114424a871934dd9fc153352c0Dan Egnor // including static linking on any platform. 6108b3d2e5ef01a5114424a871934dd9fc153352c0Dan Egnor gDarwinIsReallyAnnoying = gDarwinCantLoadAllObjects; 62f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::alloc(1); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* str = (char*)buf->data(); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *str = 0; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gEmptyStringBuf = buf; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gEmptyString = str; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid terminate_string8() 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(gEmptyString)->release(); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gEmptyStringBuf = NULL; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gEmptyString = NULL; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic char* allocFromUTF8(const char* in, size_t len) 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len > 0) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::alloc(len+1); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_ASSERT(buf, "Unable to allocate shared buffer"); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* str = (char*)buf->data(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(str, in, len); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project str[len] = 0; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return str; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getEmptyString(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 96300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Rootstatic char* allocFromUTF16(const char16_t* in, size_t len) 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len == 0) return getEmptyString(); 99f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 100300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root const ssize_t bytes = utf16_to_utf8_length(in, len); 101300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root if (bytes < 0) { 102300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return getEmptyString(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 104f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::alloc(bytes+1); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_ASSERT(buf, "Unable to allocate shared buffer"); 107300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root if (!buf) { 108300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return getEmptyString(); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 110f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 111300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root char* str = (char*)buf->data(); 112300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root utf16_to_utf8(in, len, str); 113300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return str; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 116300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Rootstatic char* allocFromUTF32(const char32_t* in, size_t len) 117f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 118300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root if (len == 0) { 119300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return getEmptyString(); 120300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root } 12119138468caf7050d482dc15f35a344eab11bb756Kenny Root 122300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root const ssize_t bytes = utf32_to_utf8_length(in, len); 123300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root if (bytes < 0) { 124300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return getEmptyString(); 125300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root } 12619138468caf7050d482dc15f35a344eab11bb756Kenny Root 12719138468caf7050d482dc15f35a344eab11bb756Kenny Root SharedBuffer* buf = SharedBuffer::alloc(bytes+1); 12819138468caf7050d482dc15f35a344eab11bb756Kenny Root LOG_ASSERT(buf, "Unable to allocate shared buffer"); 129300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root if (!buf) { 130300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return getEmptyString(); 13119138468caf7050d482dc15f35a344eab11bb756Kenny Root } 13219138468caf7050d482dc15f35a344eab11bb756Kenny Root 133300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root char* str = (char*) buf->data(); 134300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root utf32_to_utf8(in, len, str); 135f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 136300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return str; 137f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 138f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8() 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(getEmptyString()) 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const String8& o) 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(o.mString) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->acquire(); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const char* o) 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(allocFromUTF8(o, strlen(o))) 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mString == NULL) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = getEmptyString(); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const char* o, size_t len) 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(allocFromUTF8(o, len)) 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mString == NULL) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = getEmptyString(); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const String16& o) 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(allocFromUTF16(o.string(), o.size())) 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const char16_t* o) 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(allocFromUTF16(o, strlen16(o))) 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::String8(const char16_t* o, size_t len) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mString(allocFromUTF16(o, len)) 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 183f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke MiyakawaString8::String8(const char32_t* o) 184f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa : mString(allocFromUTF32(o, strlen32(o))) 185f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 186f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 187f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 188f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke MiyakawaString8::String8(const char32_t* o, size_t len) 189f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa : mString(allocFromUTF32(o, len)) 190f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 191f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 192f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8::~String8() 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->release(); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 198497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brownvoid String8::clear() { 199497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown SharedBuffer::bufferFromData(mString)->release(); 200497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown mString = getEmptyString(); 201497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown} 202497a92cc5ba2176b8a8484b0a7da040eac0e887bJeff Brown 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::setTo(const String8& other) 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(other.mString)->acquire(); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->release(); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = other.mString; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::setTo(const char* other) 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 21262a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber const char *newString = allocFromUTF8(other, strlen(other)); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->release(); 21462a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber mString = newString; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mString) return NO_ERROR; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = getEmptyString(); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MEMORY; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::setTo(const char* other, size_t len) 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 22362a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber const char *newString = allocFromUTF8(other, len); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->release(); 22562a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber mString = newString; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mString) return NO_ERROR; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = getEmptyString(); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MEMORY; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::setTo(const char16_t* other, size_t len) 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 23462a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber const char *newString = allocFromUTF16(other, len); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer::bufferFromData(mString)->release(); 23662a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber mString = newString; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mString) return NO_ERROR; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = getEmptyString(); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MEMORY; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 243f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawastatus_t String8::setTo(const char32_t* other, size_t len) 244f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 24562a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber const char *newString = allocFromUTF32(other, len); 246f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa SharedBuffer::bufferFromData(mString)->release(); 24762a2aa01528e70c63aef60a6f48929da5a06761aAndreas Huber mString = newString; 248f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa if (mString) return NO_ERROR; 249f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 250f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa mString = getEmptyString(); 251f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa return NO_MEMORY; 252f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 253f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::append(const String8& other) 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t otherLen = other.bytes(); 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bytes() == 0) { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTo(other); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (otherLen == 0) { 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return real_append(other.string(), otherLen); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::append(const char* other) 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return append(other, strlen(other)); 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::append(const char* other, size_t otherLen) 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bytes() == 0) { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setTo(other, otherLen); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (otherLen == 0) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return real_append(other, otherLen); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 283e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brownstatus_t String8::appendFormat(const char* fmt, ...) 284e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown{ 2856b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown va_list args; 2866b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown va_start(args, fmt); 287e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown 2886b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown status_t result = appendFormatV(fmt, args); 2896b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown 2906b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown va_end(args); 2916b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown return result; 2926b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown} 2936b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown 2946b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brownstatus_t String8::appendFormatV(const char* fmt, va_list args) 2956b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown{ 296e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown int result = NO_ERROR; 2976b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown int n = vsnprintf(NULL, 0, fmt, args); 298e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown if (n != 0) { 299e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown size_t oldLength = length(); 300e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown char* buf = lockBuffer(oldLength + n); 301e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown if (buf) { 3026b53e8daa69cba1a2a5a7c95a01e37ce9c53226cJeff Brown vsnprintf(buf + oldLength, n + 1, fmt, args); 303e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown } else { 304e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown result = NO_MEMORY; 305e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown } 306e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown } 307e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown return result; 308e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown} 309e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::real_append(const char* other, size_t otherLen) 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t myLen = bytes(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::bufferFromData(mString) 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ->editResize(myLen+otherLen+1); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf) { 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* str = (char*)buf->data(); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = str; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project str += myLen; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(str, other, otherLen); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project str[otherLen] = '\0'; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MEMORY; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectchar* String8::lockBuffer(size_t size) 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::bufferFromData(mString) 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ->editResize(size+1); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* str = (char*)buf->data(); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mString = str; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return str; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::unlockBuffer() 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(strlen(mString)); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t String8::unlockBuffer(size_t size) 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (size != this->size()) { 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedBuffer* buf = SharedBuffer::bufferFromData(mString) 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ->editResize(size+1); 349e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown if (! buf) { 350e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown return NO_MEMORY; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 352e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown 353e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown char* str = (char*)buf->data(); 354e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown str[size] = 0; 355e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown mString = str; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 357e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown 358e33348ba54cd68d6936cffd4507037c14d4b10c2Jeff Brown return NO_ERROR; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectssize_t String8::find(const char* other, size_t start) const 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t len = size(); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start >= len) { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* s = mString+start; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = strstr(s, other); 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p ? p-mString : -1; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::toLower() 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toLower(0, size()); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::toLower(size_t start, size_t length) 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t len = size(); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start >= len) { 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start+length > len) { 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project length = len-start; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buf = lockBuffer(len); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf += start; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (length > 0) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *buf = tolower(*buf); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf++; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project length--; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(len); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::toUpper() 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toUpper(0, size()); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::toUpper(size_t start, size_t length) 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t len = size(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start >= len) { 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (start+length > len) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project length = len-start; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buf = lockBuffer(len); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf += start; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (length > 0) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *buf = toupper(*buf); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf++; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project length--; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(len); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 420f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawasize_t String8::getUtf32Length() const 421f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 422300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return utf8_to_utf32_length(mString, length()); 423f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 424f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 425f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawaint32_t String8::getUtf32At(size_t index, size_t *next_index) const 426f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 427300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root return utf32_from_utf8_at(mString, length(), index, next_index); 428f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 429f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 430300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Rootvoid String8::getUtf32(char32_t* dst) const 431f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa{ 432300ba6846949f5b21c6d93d7698dbc39716cf832Kenny Root utf8_to_utf32(mString, length(), dst); 433f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa} 434f05b33b3a1cff40972a735ff1fb4ed6e8bfeaf2aDaisuke Miyakawa 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectTextOutput& operator<<(TextOutput& to, const String8& val) 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project to << val.string(); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return to; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Path functions 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::setPathName(const char* name) 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPathName(name, strlen(name)); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid String8::setPathName(const char* name, size_t len) 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buf = lockBuffer(len); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(buf, name, len); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove trailing path separator, if present 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len > 0 && buf[len-1] == OS_PATH_SEPARATOR) 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len--; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf[len] = '\0'; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(len); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 String8::getPathLeaf(void) const 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* cp; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char*const buf = mString; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = strrchr(buf, OS_PATH_SEPARATOR); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cp == NULL) 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(*this); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(cp+1); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 String8::getPathDir(void) const 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* cp; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char*const str = mString; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = strrchr(str, OS_PATH_SEPARATOR); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cp == NULL) 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(""); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(str, cp - str); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 String8::walkPath(String8* outRemains) const 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* cp; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char*const str = mString; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* buf = str; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = strchr(buf, OS_PATH_SEPARATOR); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cp == buf) { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't include a leading '/'. 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf = buf+1; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cp = strchr(buf, OS_PATH_SEPARATOR); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cp == NULL) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 res = buf != str ? String8(buf) : *this; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRemains) *outRemains = String8(""); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 res(buf, cp-buf); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outRemains) *outRemains = String8(cp+1); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper function for finding the start of an extension in a pathname. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a pointer inside mString, or NULL if no extension was found. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectchar* String8::find_extension(void) const 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* lastSlash; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* lastDot; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int extLen; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* const str = mString; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // only look at the filename 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastSlash = strrchr(str, OS_PATH_SEPARATOR); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastSlash == NULL) 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastSlash = str; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastSlash++; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find the last dot 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastDot = strrchr(lastSlash, '.'); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastDot == NULL) 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // looks good, ship it 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return const_cast<char*>(lastDot); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 String8::getPathExtension(void) const 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* ext; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ext = find_extension(); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ext != NULL) 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(ext); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(""); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8 String8::getBasePath(void) const 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* ext; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* const str = mString; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ext = find_extension(); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ext == NULL) 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(*this); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return String8(str, ext - str); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8& String8::appendPath(const char* name) 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: The test below will fail for Win32 paths. Fix later or ignore. 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name[0] != OS_PATH_SEPARATOR) { 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*name == '\0') { 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // nothing to do 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *this; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t len = length(); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len == 0) { 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // no existing filename, just use the new one 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPathName(name); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *this; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make room for oldPath + '/' + newPath 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int newlen = strlen(name); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buf = lockBuffer(len+1+newlen); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // insert a '/' if needed 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf[len-1] != OS_PATH_SEPARATOR) 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buf[len++] = OS_PATH_SEPARATOR; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(buf+len, name, newlen+1); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len += newlen; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(len); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *this; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPathName(name); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *this; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectString8& String8::convertToResPath() 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if OS_PATH_SEPARATOR != RES_PATH_SEPARATOR 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t len = length(); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len > 0) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char * buf = lockBuffer(len); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (char * end = buf + len; buf < end; ++buf) { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*buf == OS_PATH_SEPARATOR) 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *buf = RES_PATH_SEPARATOR; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockBuffer(len); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *this; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 617