| #include "StringType.h" |
| |
| #include "Formatter.h" |
| |
| namespace android { |
| |
| StringType::StringType() {} |
| |
| std::string StringType::getCppType(StorageMode mode, std::string *extra) const { |
| extra->clear(); |
| |
| const std::string base = "::android::hardware::hidl_string"; |
| |
| switch (mode) { |
| case StorageMode_Stack: |
| return base; |
| |
| case StorageMode_Argument: |
| return "const " + base + "&"; |
| |
| case StorageMode_Result: |
| return "const " + base + "*"; |
| } |
| } |
| |
| void StringType::emitReaderWriter( |
| Formatter &out, |
| const std::string &name, |
| const std::string &parcelObj, |
| bool parcelObjIsPointer, |
| bool isReader, |
| ErrorMode mode) const { |
| const std::string parentName = "_aidl_" + name + "_parent"; |
| out << "size_t " << parentName << ";\n\n"; |
| |
| const std::string parcelObjDeref = |
| parcelObj + (parcelObjIsPointer ? "->" : "."); |
| |
| if (isReader) { |
| out << name |
| << " = (const ::android::hardware::hidl_string *)" |
| << parcelObjDeref |
| << "readBuffer(" |
| << "&" |
| << parentName |
| << ");\n"; |
| |
| out << "if (" |
| << name |
| << " == nullptr) {\n"; |
| |
| out.indent(); |
| |
| out << "_aidl_err = ::android::UNKNOWN_ERROR;\n"; |
| handleError2(out, mode); |
| |
| out.unindent(); |
| out << "}\n\n"; |
| } else { |
| out << "_aidl_err = " |
| << parcelObjDeref |
| << "writeBuffer(&" |
| << name |
| << ", sizeof(" |
| << name |
| << "), &" |
| << parentName |
| << ");\n"; |
| |
| handleError(out, mode); |
| } |
| |
| emitReaderWriterEmbedded( |
| out, |
| name, |
| isReader /* nameIsPointer */, |
| parcelObj, |
| parcelObjIsPointer, |
| isReader, |
| mode, |
| parentName, |
| "0 /* parentOffset */"); |
| } |
| |
| void StringType::emitReaderWriterEmbedded( |
| Formatter &out, |
| const std::string &name, |
| bool nameIsPointer, |
| const std::string &parcelObj, |
| bool parcelObjIsPointer, |
| bool isReader, |
| ErrorMode mode, |
| const std::string &parentName, |
| const std::string &offsetText) const { |
| emitReaderWriterEmbeddedForTypeName( |
| out, |
| name, |
| nameIsPointer, |
| parcelObj, |
| parcelObjIsPointer, |
| isReader, |
| mode, |
| parentName, |
| offsetText, |
| "::android::hardware::hidl_string", |
| "" /* childName */); |
| } |
| |
| bool StringType::needsEmbeddedReadWrite() const { |
| return true; |
| } |
| |
| bool StringType::resultNeedsDeref() const { |
| return true; |
| } |
| |
| } // namespace android |
| |