Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 1 | #include "HandleType.h" |
| 2 | |
| 3 | #include "Formatter.h" |
| 4 | |
| 5 | namespace android { |
| 6 | |
| 7 | HandleType::HandleType() {} |
| 8 | |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 9 | std::string HandleType::getCppType(StorageMode, std::string *extra) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 10 | extra->clear(); |
| 11 | |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 12 | return "const ::native_handle_t*"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 13 | } |
| 14 | |
| 15 | void HandleType::emitReaderWriter( |
| 16 | Formatter &out, |
| 17 | const std::string &name, |
| 18 | const std::string &parcelObj, |
| 19 | bool parcelObjIsPointer, |
| 20 | bool isReader, |
| 21 | ErrorMode mode) const { |
| 22 | const std::string parcelObjDeref = |
| 23 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 24 | |
| 25 | if (isReader) { |
| 26 | out << name |
| 27 | << " = " |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 28 | << parcelObjDeref |
| 29 | << "readNativeHandleNoDup();\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 30 | |
| 31 | out << "if (" |
| 32 | << name |
| 33 | << " == nullptr) {\n"; |
| 34 | |
| 35 | out.indent(); |
| 36 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 37 | out << "_hidl_err = ::android::UNKNOWN_ERROR;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 38 | handleError2(out, mode); |
| 39 | |
| 40 | out.unindent(); |
| 41 | out << "}\n\n"; |
| 42 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 43 | out << "_hidl_err = "; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 44 | out << parcelObjDeref |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 45 | << "writeNativeHandleNoDup(" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 46 | << name |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 47 | << ");\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 48 | |
| 49 | handleError(out, mode); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | void HandleType::emitReaderWriterEmbedded( |
| 54 | Formatter &out, |
| 55 | const std::string &name, |
| 56 | bool nameIsPointer, |
| 57 | const std::string &parcelObj, |
| 58 | bool parcelObjIsPointer, |
| 59 | bool isReader, |
| 60 | ErrorMode mode, |
| 61 | const std::string &parentName, |
| 62 | const std::string &offsetText) const { |
| 63 | if (isReader) { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 64 | const std::string ptrName = "_hidl_" + name + "_ptr"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 65 | |
| 66 | out << "const native_handle_t *" |
| 67 | << ptrName |
| 68 | << " = " |
| 69 | << parcelObj |
| 70 | << (parcelObjIsPointer ? "->" : ".") |
| 71 | << "readEmbeddedNativeHandle(\n"; |
| 72 | |
| 73 | out.indent(); |
| 74 | out.indent(); |
| 75 | |
| 76 | out << parentName |
| 77 | << ",\n" |
| 78 | << offsetText |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 79 | << ");\n\n"; |
| 80 | |
| 81 | out.unindent(); |
| 82 | out.unindent(); |
| 83 | |
| 84 | out << "if (" |
| 85 | << ptrName |
| 86 | << " == nullptr) {\n"; |
| 87 | |
| 88 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 89 | out << "_hidl_err = ::android::UNKNOWN_ERROR;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 90 | handleError2(out, mode); |
| 91 | out.unindent(); |
| 92 | out << "}\n\n"; |
| 93 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 94 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 95 | << parcelObj |
| 96 | << (parcelObjIsPointer ? "->" : ".") |
| 97 | << "writeEmbeddedNativeHandle(\n"; |
| 98 | |
| 99 | out.indent(); |
| 100 | out.indent(); |
| 101 | |
Andreas Huber | e852c7d | 2016-08-09 13:12:18 -0700 | [diff] [blame] | 102 | out << (nameIsPointer ? ("*" + name) : name) |
| 103 | << ",\n" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 104 | << parentName |
| 105 | << ",\n" |
| 106 | << offsetText |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 107 | << ");\n\n"; |
| 108 | |
| 109 | out.unindent(); |
| 110 | out.unindent(); |
| 111 | |
| 112 | handleError(out, mode); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | bool HandleType::needsEmbeddedReadWrite() const { |
| 117 | return true; |
| 118 | } |
| 119 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 120 | } // namespace android |
| 121 | |