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| // Copyright 2015 Google Inc. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #include "cpp/jsonnet.h" | ||
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| namespace jsonnet { | ||
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| Jsonnet::Jsonnet() {} | ||
| Jsonnet::~Jsonnet() { | ||
| if (vm_ != nullptr) { | ||
| ::jsonnet_destroy(vm_); | ||
| } | ||
| } | ||
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| bool Jsonnet::Init() { | ||
| vm_ = static_cast<struct JsonnetVm*>(::jsonnet_make()); | ||
| return vm_ != nullptr; | ||
| } | ||
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| void Jsonnet::SetMaxStack(uint32_t depth) { | ||
| ::jsonnet_max_stack(vm_, static_cast<unsigned>(depth)); | ||
| } | ||
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| void Jsonnet::SetGcMinObjects(uint32_t objects) { | ||
| ::jsonnet_gc_min_objects(vm_, static_cast<unsigned>(objects)); | ||
| } | ||
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| void Jsonnet::SetGcGrowthTrigger(double growth) { | ||
| ::jsonnet_gc_growth_trigger(vm_, growth); | ||
| } | ||
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| void Jsonnet::SetStringOutput(bool string_output) { | ||
| ::jsonnet_string_output(vm_, string_output); | ||
| } | ||
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| void Jsonnet::SetDebugAst(bool debug_ast) { | ||
| ::jsonnet_debug_ast(vm_, static_cast<int>(debug_ast)); | ||
| } | ||
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| void Jsonnet::SetMaxTrace(uint32_t lines) { | ||
| ::jsonnet_max_trace(vm_, static_cast<unsigned>(lines)); | ||
| } | ||
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| void Jsonnet::BindExtVar(const std::string& key, const std::string& value) { | ||
| ::jsonnet_ext_var(vm_, key.c_str(), value.c_str()); | ||
| } | ||
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| void Jsonnet::BindExtCodeVar(const std::string& key, | ||
| const std::string& value) { | ||
| ::jsonnet_ext_code(vm_, key.c_str(), value.c_str()); | ||
| } | ||
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| bool Jsonnet::EvaluateFile(const std::string& filename, std::string* output) { | ||
| if (output == nullptr) { | ||
| return false; | ||
| } | ||
| int error = 0; | ||
| const char* jsonnet_output = | ||
| ::jsonnet_evaluate_file(vm_, filename.c_str(), &error); | ||
| output->assign(jsonnet_output); | ||
| return error == 0; | ||
| } | ||
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| bool Jsonnet::EvaluateSnippet(const std::string& filename, | ||
| const std::string& snippet, | ||
| std::string* output) { | ||
| if (output == nullptr) { | ||
| return false; | ||
| } | ||
| int error = 0; | ||
| const char* jsonnet_output = ::jsonnet_evaluate_snippet( | ||
| vm_, filename.c_str(), snippet.c_str(), &error); | ||
| output->assign(jsonnet_output); | ||
| return error == 0; | ||
| } | ||
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| namespace { | ||
| void ParseMultiOutput(const char* jsonnet_output, | ||
| std::map<std::string, std::string>* outputs) { | ||
| for (const char* c = jsonnet_output; *c != '\0'; ) { | ||
| const char *filename = c; | ||
| const char *c2 = c; | ||
| while (*c2 != '\0') ++c2; | ||
| ++c2; | ||
| const char *json = c2; | ||
| while (*c2 != '\0') ++c2; | ||
| ++c2; | ||
| c = c2; | ||
| outputs->insert(std::make_pair(filename, json)); | ||
| } | ||
| } | ||
| } // namespace | ||
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| bool Jsonnet::EvaluateFileMulti( | ||
| const std::string& filename, | ||
| std::map<std::string, std::string>* outputs) { | ||
| if (outputs == nullptr) { | ||
| return false; | ||
| } | ||
| int error = 0; | ||
| const char* jsonnet_output = | ||
| ::jsonnet_evaluate_file_multi(vm_, filename.c_str(), &error); | ||
| ParseMultiOutput(jsonnet_output, outputs); | ||
| return error == 0; | ||
| } | ||
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| bool Jsonnet::EvaluateSnippetMulti( | ||
| const std::string& filename, | ||
| const std::string& snippet, | ||
| std::map<std::string, std::string>* outputs) { | ||
| if (outputs == nullptr) { | ||
| return false; | ||
| } | ||
| int error = 0; | ||
| const char* jsonnet_output = ::jsonnet_evaluate_snippet_multi( | ||
| vm_, filename.c_str(), snippet.c_str(), &error); | ||
| ParseMultiOutput(jsonnet_output, outputs); | ||
| return error == 0; | ||
| } | ||
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| } // namespace jsonnet |
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