Mercurial > hg > orthanc-stone

annotate Resources/CodeGeneration/testWasmIntegrated/main.cpp @ 688:8c0b073efda8 am-dev

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Codegen: fix
author Alain Mazy <alain@mazy.be>
date Thu, 16 May 2019 17:54:22 +0200
parents 7105a0bad250
children f185cfcb72a0
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1 #include <iostream>
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2 #include <sstream>
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3 #include <emscripten/emscripten.h>
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4 #include "TestStoneCodeGen_generated.hpp"
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5
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6 using std::stringstream;
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7
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8 int main()
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9 {
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10 std::cout << "Hello world from testWasmIntegrated! (this is sent from C++)" << std::endl;
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11 try
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12 {
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13 const char* jsonData = R"bgo({"definition":
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14 {
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15 "val" : [ "berk", 42 ],
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16 "zozo" : { "23": "zloutch", "lalala": 42}
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17 }
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18 })bgo";
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19 std::string strValue(jsonData);
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20
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21 Json::Value readValue;
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22
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23 Json::CharReaderBuilder builder;
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24 Json::CharReader* reader = builder.newCharReader();
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25
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26 StoneSmartPtr<Json::CharReader> ptr(reader);
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27
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28 std::string errors;
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29
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30 bool ok = reader->parse(
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31 strValue.c_str(),
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32 strValue.c_str() + strValue.size(),
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33 &readValue,
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34 &errors
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35 );
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36 if (!ok)
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37 {
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38 std::stringstream ss;
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39 ss << "Jsoncpp parsing error: " << errors;
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40 throw std::runtime_error(ss.str());
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41 }
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42 std::cout << "Json parsing OK" << std::endl;
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43 std::cout << readValue << std::endl;
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44 }
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45 catch(std::exception& e)
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46 {
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47 std::cout << "Json parsing THROW" << std::endl;
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48 std::cout << "e.what() = " << e.what() << std::endl;
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49 }
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50 }
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51
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52 extern "C" void SendMessageFromCppJS(const char* message);
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53 extern "C" void SendFreeTextFromCppJS(const char* message);
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54
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55 #define HANDLE_MESSAGE(Type,value) \
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56 stringstream ss; \
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57 ss << "Received an instance of:\n" #Type "\n. Here's the dump:\n"; \
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58 TestStoneCodeGen::StoneDumpValue(ss, value, 0); \
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59 SendFreeTextFromCppJS(ss.str().c_str()); \
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60 return true;
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61
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62 class MyHandler : public TestStoneCodeGen::IHandler
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63 {
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64 public:
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65 virtual bool Handle(const TestStoneCodeGen::A& value) override
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66 {
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67 HANDLE_MESSAGE(TestStoneCodeGen::A,value)
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68 }
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69 virtual bool Handle(const TestStoneCodeGen::B& value) override
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70 {
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71 HANDLE_MESSAGE(TestStoneCodeGen::B,value)
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72 }
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73
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74 virtual bool Handle(const TestStoneCodeGen::Message1& value) override
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75 {
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76 HANDLE_MESSAGE(TestStoneCodeGen::Message1,value)
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77 }
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78
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79 virtual bool Handle(const TestStoneCodeGen::Message2& value) override
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80 {
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81 HANDLE_MESSAGE(TestStoneCodeGen::Message2,value)
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82 }
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83
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84 virtual bool Handle(const TestStoneCodeGen::C& value) override
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85 {
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86 HANDLE_MESSAGE(TestStoneCodeGen::C,value)
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87 }
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88 };
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89
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90 extern "C" void EMSCRIPTEN_KEEPALIVE SendMessageToCpp(const char* message)
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91 {
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92 MyHandler handler;
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93 try
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94 {
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95 bool handled = TestStoneCodeGen::StoneDispatchToHandler(message,&handler);
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96 if(!handled)
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97 {
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98 SendFreeTextFromCppJS("This message is valid JSON, but was not handled!");
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99 }
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100 }
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101 catch(std::exception& e)
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102 {
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103 stringstream ss;
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104 ss << "Error while parsing message: " << e.what() << "\n";
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105 SendFreeTextFromCppJS(ss.str().c_str());
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106 }
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107 }
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108
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109 void EMSCRIPTEN_KEEPALIVE StartWasmApplication(const char* baseUri)
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110 {
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111 printf("Hello! (this is sent from C++)\n");
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112
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113 // // recreate a command line from uri arguments and parse it
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114 // boost::program_options::variables_map parameters;
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115 // boost::program_options::options_description options;
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116 // application->DeclareStartupOptions(options);
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117 // startupParametersBuilder.GetStartupParameters(parameters, options);
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118
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119 // context.reset(new OrthancStone::StoneApplicationContext(broker));
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120 // context->SetOrthancBaseUrl(baseUri);
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121 // printf("Base URL to Orthanc API: [%s]\n", baseUri);
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122 // context->SetWebService(OrthancStone::WasmWebService::GetInstance());
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123 // context->SetDelayedCallExecutor(OrthancStone::WasmDelayedCallExecutor::GetInstance());
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124 // application->Initialize(context.get(), statusBar_, parameters);
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125 // application->InitializeWasm();
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126
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127 // // viewport->SetSize(width_, height_);
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128 // printf("StartWasmApplication - completed\n");
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129 SendFreeTextFromCppJS("Hello world from C++!");
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130 }