diff options
| -rw-r--r-- | README.md | 28 | ||||
| -rw-r--r-- | include/handling.h | 9 | ||||
| -rw-r--r-- | src/opcodes.cpp | 111 | 
3 files changed, 146 insertions, 2 deletions
| @@ -210,6 +210,34 @@ Get a JSON object handle of the object contained in the specified key or index.  * **index** index for accessing an array +### jsongetval +Get a numeric or string value from an object by string key or numeric index. + +    Svalue jsongetval iJson, Skey +    ivalue jsongetval iJson, Skey +    Svalue jsongetval iJson, index +    ivalue jsongetval iJson, index +* **Svalue** string value returned +* **ivalue** numeric value returned +* **iJson** JSON object handle to evaluate +* **Skey** key for accessing an object +* **index** index for accessing an array + + +## jsongetvalk +Get a numeric or string value from an object by string key or numeric index, at k-rate. + +    Svalue jsongetvalk iJson, Skey +    kvalue jsongetvalk iJson, Skey +    Svalue jsongetvalk iJson, kindex +    kvalue jsongetvalk iJson, kindex +* **Svalue** string value returned +* **kvalue** numeric value returned +* **iJson** JSON object handle to evaluate +* **Skey** key for accessing an object +* **kindex** index for accessing an array +     +  ### jsonpath  Perform a JSONPath query and obtain the resulting JSON object handle. diff --git a/include/handling.h b/include/handling.h index c5e0691..2eed1f6 100644 --- a/include/handling.h +++ b/include/handling.h @@ -50,4 +50,13 @@ MYFLT createHandle(csnd::Csound* csound, T** data, const char* name) {      return FL(handle);  } +/* + * Destroy global object + */ +void destroyHandle(csnd::Csound* csound, MYFLT handle, const char* name) { +    char buffer[32]; +    snprintf(buffer, 32, handleIdentifier, name, (int)handle); +    csound->destroy_global_variable(buffer); +} + diff --git a/src/opcodes.cpp b/src/opcodes.cpp index f3eccd6..a241a74 100644 --- a/src/opcodes.cpp +++ b/src/opcodes.cpp @@ -130,6 +130,23 @@ int getJsonType(JSONSession* jsonSession) {  #define _PLUGINSESSIONBASE(idInArgs)\      JSONSession* jsonSession;\ +    JSONSession* jsonDeinitSession;\ +    MYFLT handleDeinit;\ +    int deinit() {\ +        if (jsonDeinitSession != nullptr && jsonDeinitSession->active) {\ +            jsonSession->data.~basic_json();\ +            jsonSession->active = false;\ +        }\ +        if (handleDeinit != -1) {\ +            destroyHandle(csound, handleDeinit, handleName);\ +        }\ +        return OK;\ +    }\ +    void registerDeinit(JSONSession* jsonDeinitSession, MYFLT handleDeinit) {\ +        this->jsonDeinitSession = jsonDeinitSession;\ +        this->handleDeinit = handleDeinit;\ +        csound->plugin_deinit(this);\ +    }\      void getSession() {\          if (!(jsonSession = getHandle<JSONSession>(csound, idInArgs[0], handleName))) {\  			throw std::runtime_error(badHandle);\ @@ -147,6 +164,8 @@ int getJsonType(JSONSession* jsonSession) {  	ARGT* otypes = votypes;\  	ARGT* itypes = vitypes;\  	int init() {\ +        jsonDeinitSession = nullptr;\ +        handleDeinit = -1;\  		try {\  			if (doGetSession) getSession();\  			irun();\ @@ -230,6 +249,7 @@ struct jsonloads : plugin<1, 1> {          outargs[0] = createHandle<JSONSession>(csound, &jsonSession, handleName);          jsonSession->active = true;          jsonSession->data = jsoncons::json::parse(std::string(inargs.str_data(0).data)); +        //registerDeinit(jsonSession, outargs[0]);  	}  }; @@ -243,6 +263,7 @@ struct jsoninit : plugin<1, 0> {          outargs[0] = createHandle<JSONSession>(csound, &jsonSession, handleName);          jsonSession->active = true;          jsonSession->data = jsoncons::json::parse("{}"); +        //registerDeinit(jsonSession, outargs[0]);  	}  }; @@ -252,7 +273,7 @@ struct jsoninit : plugin<1, 0> {   */  struct jsonmerge : inplug<3> {  	INPLUGINIT("iio") -	int irun() {         +	void irun() {                  JSONSession* jsonSession2;          getSession(args[1], &jsonSession2);          if (args[2] == 1) {  @@ -260,7 +281,6 @@ struct jsonmerge : inplug<3> {          } else {              jsonSession->data.merge(jsonSession2->data);          } -  	}  }; @@ -536,6 +556,83 @@ struct jsonsizeK : jsonsizeBase {  /* + Get string value by string key + */ +struct jsongetvalStringStringBase : plugin<1, 2> { +    void run() { +        STRINGDAT &input = inargs.str_data(1); +        STRINGDAT &output = outargs.str_data(0); +        jsoncons::json selected = jsonSession->data[std::string(input.data)]; +        std::string value = selected.as<std::string>(); +        output.size = value.size(); +        output.data = csound->strdup((char*) value.c_str()); +    } +}; +struct jsongetvalStringString : jsongetvalStringStringBase { +    PLUGINCHILD("S", "iS", true) +}; +struct jsongetvalStringStringK : jsongetvalStringStringBase { +    PLUGINCHILDK("S", "iS", true) +}; + + +/* + Get numeric value by string key + */ +struct jsongetvalNumericStringBase : plugin<1, 2> { +    void run() { +        STRINGDAT &input = inargs.str_data(1); +        jsoncons::json selected = jsonSession->data[std::string(input.data)]; +        outargs[0] = selected.as<MYFLT>(); +    } +}; +struct jsongetvalNumericString : jsongetvalNumericStringBase { +    PLUGINCHILD("i", "iS", true) +}; +struct jsongetvalNumericStringK : jsongetvalNumericStringBase { +    PLUGINCHILDK("k", "iS", true) +}; + + +/* + Get string value by numeric index + */ +struct jsongetvalStringNumericBase : plugin<1, 2> { +    void run() { +        STRINGDAT &output = outargs.str_data(0); +        jsoncons::json selected = jsonSession->data[(int) inargs[1]]; +        std::string value = selected.as<std::string>(); +        output.size = value.size(); +        output.data = csound->strdup((char*) value.c_str()); +    } +}; +struct jsongetvalStringNumeric : jsongetvalStringNumericBase { +    PLUGINCHILD("S", "ii", true) +}; +struct jsongetvalStringNumericK : jsongetvalStringNumericBase { +    PLUGINCHILDK("S", "ik", true) +}; + + +/* + Get numeric value by numeric index + */ +struct jsongetvalNumericNumericBase : plugin<1, 2> { +    void run() { +        jsoncons::json selected = jsonSession->data[(int) inargs[1]]; +        outargs[0] = selected.as<MYFLT>(); +    } +}; +struct jsongetvalNumericNumeric : jsongetvalNumericNumericBase { +    PLUGINCHILD("i", "ii", true) +}; +struct jsongetvalNumericNumericK : jsongetvalNumericNumericBase { +    PLUGINCHILDK("k", "ik", true) +}; + + + +/*   Get object from an object by key name   */  struct jsongetString : plugin<1, 2> { @@ -957,6 +1054,16 @@ void csnd::on_load(csnd::Csound *csound) {      csnd::plugin<jsonkeysK>(csound, "jsonkeysk", csnd::thread::ik);      csnd::plugin<jsongetString>(csound, "jsonget.S", csnd::thread::i);      csnd::plugin<jsongetNumeric>(csound, "jsonget.i", csnd::thread::i); +     +    csnd::plugin<jsongetvalStringString>(csound, "jsongetval.SS", csnd::thread::i); +    csnd::plugin<jsongetvalNumericString>(csound, "jsongetval.iS", csnd::thread::i); +    csnd::plugin<jsongetvalStringNumeric>(csound, "jsongetval.Si", csnd::thread::i); +    csnd::plugin<jsongetvalNumericNumeric>(csound, "jsongetval.ii", csnd::thread::i); +    csnd::plugin<jsongetvalStringStringK>(csound, "jsongetvalk.SS", csnd::thread::ik); +    csnd::plugin<jsongetvalNumericStringK>(csound, "jsongetvalk.kS", csnd::thread::ik); +    csnd::plugin<jsongetvalStringNumericK>(csound, "jsongetvalk.Sk", csnd::thread::ik); +    csnd::plugin<jsongetvalNumericNumericK>(csound, "jsongetvalk.kk", csnd::thread::ik); +          csnd::plugin<jsonsize>(csound, "jsonsize", csnd::thread::i);      csnd::plugin<jsonsizeK>(csound, "jsonsizek", csnd::thread::ik); |