microsoft/onnxruntime-extensions
Publicmirrored from https://github.com/microsoft/onnxruntime-extensionsAvailable
operators/text/re2_strings/string_regex_replace.cc
84lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | #include "string_regex_replace.hpp" |
| 5 | #include <vector> |
| 6 | #include <cmath> |
| 7 | #include <algorithm> |
| 8 | #include "re2/re2.h" |
| 9 | #include "string_tensor.h" |
| 10 | |
| 11 | KernelStringRegexReplace::KernelStringRegexReplace(const OrtApi& api, const OrtKernelInfo& info) |
| 12 | : BaseKernel(api, info) { |
| 13 | global_replace_ = HasAttribute("global_replace") ? ort_.KernelInfoGetAttribute<int64_t>(&info_, "global_replace") : 1; |
| 14 | } |
| 15 | |
| 16 | void KernelStringRegexReplace::Compute(OrtKernelContext* context) { |
| 17 | // Setup inputs |
| 18 | const OrtValue* input = ort_.KernelContext_GetInput(context, 0); |
| 19 | const OrtValue* pattern = ort_.KernelContext_GetInput(context, 1); |
| 20 | const OrtValue* rewrite = ort_.KernelContext_GetInput(context, 2); |
| 21 | |
| 22 | std::vector<std::string> str_input, str_pattern, str_rewrite; |
| 23 | GetTensorMutableDataString(api_, ort_, context, input, str_input); |
| 24 | GetTensorMutableDataString(api_, ort_, context, pattern, str_pattern); |
| 25 | GetTensorMutableDataString(api_, ort_, context, rewrite, str_rewrite); |
| 26 | |
| 27 | // Verifications |
| 28 | OrtTensorDimensions pattern_dimensions(ort_, pattern); |
| 29 | OrtTensorDimensions rewrite_dimensions(ort_, rewrite); |
| 30 | if (pattern_dimensions.size() != 1 || pattern_dimensions[0] != 1) |
| 31 | ORTX_CXX_API_THROW(MakeString( |
| 32 | "pattern (second input) must contain only one element. It has ", |
| 33 | pattern_dimensions.size(), " dimensions."), |
| 34 | ORT_INVALID_ARGUMENT); |
| 35 | if (rewrite_dimensions.size() != 1 || rewrite_dimensions[0] != 1) |
| 36 | ORTX_CXX_API_THROW(MakeString( |
| 37 | "rewrite (third input) must contain only one element. It has ", |
| 38 | rewrite_dimensions.size(), " dimensions."), |
| 39 | ORT_INVALID_ARGUMENT); |
| 40 | if (str_pattern[0].empty()) |
| 41 | ORTX_CXX_API_THROW("pattern (second input) cannot be empty.", ORT_INVALID_ARGUMENT); |
| 42 | |
| 43 | // Setup output |
| 44 | OrtTensorDimensions dimensions(ort_, input); |
| 45 | OrtValue* output = ort_.KernelContext_GetOutput(context, 0, dimensions.data(), dimensions.size()); |
| 46 | |
| 47 | OrtTensorTypeAndShapeInfo* output_info = ort_.GetTensorTypeAndShape(output); |
| 48 | size_t size = ort_.GetTensorShapeElementCount(output_info); |
| 49 | ort_.ReleaseTensorTypeAndShapeInfo(output_info); |
| 50 | |
| 51 | re2::StringPiece piece(str_rewrite[0]); |
| 52 | re2::RE2 reg(str_pattern[0]); |
| 53 | |
| 54 | // Do computation |
| 55 | if (global_replace_) { |
| 56 | for (size_t i = 0; i < size; i++) { |
| 57 | re2::RE2::GlobalReplace(&(str_input[i]), reg, piece); |
| 58 | } |
| 59 | } else { |
| 60 | for (size_t i = 0; i < size; i++) { |
| 61 | re2::RE2::Replace(&(str_input[i]), reg, piece); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | FillTensorDataString(api_, ort_, context, str_input, output); |
| 66 | } |
| 67 | |
| 68 | const char* CustomOpStringRegexReplace::GetName() const { return "StringRegexReplace"; }; |
| 69 | |
| 70 | size_t CustomOpStringRegexReplace::GetInputTypeCount() const { |
| 71 | return 3; |
| 72 | }; |
| 73 | |
| 74 | ONNXTensorElementDataType CustomOpStringRegexReplace::GetInputType(size_t /*index*/) const { |
| 75 | return ONNX_TENSOR_ELEMENT_DATA_TYPE_STRING; |
| 76 | }; |
| 77 | |
| 78 | size_t CustomOpStringRegexReplace::GetOutputTypeCount() const { |
| 79 | return 1; |
| 80 | }; |
| 81 | |
| 82 | ONNXTensorElementDataType CustomOpStringRegexReplace::GetOutputType(size_t /*index*/) const { |
| 83 | return ONNX_TENSOR_ELEMENT_DATA_TYPE_STRING; |
| 84 | }; |
| 85 | |