1 /* 2 * Copyright (C) 2008 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 * Expanding byte buffer, with primitives for appending basic data types. 18 */ 19 #ifndef ART_RUNTIME_JDWP_JDWP_EXPAND_BUF_H_ 20 #define ART_RUNTIME_JDWP_JDWP_EXPAND_BUF_H_ 21 22 #include <string> 23 24 #include <stddef.h> 25 #include <stdint.h> 26 27 namespace art { 28 29 namespace JDWP { 30 31 struct ExpandBuf; /* private */ 32 struct JdwpLocation; 33 34 /* create a new struct */ 35 ExpandBuf* expandBufAlloc(); 36 /* free storage */ 37 void expandBufFree(ExpandBuf* pBuf); 38 39 /* 40 * Accessors. The buffer pointer and length will only be valid until more 41 * data is added. 42 */ 43 uint8_t* expandBufGetBuffer(ExpandBuf* pBuf); 44 size_t expandBufGetLength(ExpandBuf* pBuf); 45 46 /* 47 * The "add" operations allocate additional storage and append the data. 48 * 49 * There are no "get" operations included with this "class", other than 50 * GetBuffer(). If you want to get or set data from a position other 51 * than the end, get a pointer to the buffer and use the inline functions 52 * defined elsewhere. 53 * 54 * expandBufAddSpace() returns a pointer to the *start* of the region 55 * added. 56 */ 57 uint8_t* expandBufAddSpace(ExpandBuf* pBuf, int gapSize); 58 void expandBufAdd1(ExpandBuf* pBuf, uint8_t val); 59 void expandBufAdd2BE(ExpandBuf* pBuf, uint16_t val); 60 void expandBufAdd4BE(ExpandBuf* pBuf, uint32_t val); 61 void expandBufAdd8BE(ExpandBuf* pBuf, uint64_t val); 62 void expandBufAddUtf8String(ExpandBuf* pBuf, const char* s); 63 void expandBufAddUtf8String(ExpandBuf* pBuf, const std::string& s); 64 void expandBufAddLocation(ExpandBuf* pReply, const JdwpLocation& location); 65 66 } // namespace JDWP 67 68 } // namespace art 69 70 #endif // ART_RUNTIME_JDWP_JDWP_EXPAND_BUF_H_ 71
