long GXAnalyze::getValue()

in GaiaXiOS/GaiaXiOS/Binding/Expression/GXAnalyzeCore/GXAnalyze.cpp [1029:1203]
174 lines of code
42 McCabe index (conditional complexity)

long GXAnalyze::getValue(string expression, void *source) {
    char *input;
    int inputLength = expression.length();
    input = new char[inputLength + 2];
    vector<GXATSNode> array;
    vector<GXATSNode> arrayNum;
    array.reserve(128);
    arrayNum.reserve(128);
    string result = "#";
    strcpy(input, expression.c_str());
    int p = 0;
    int synCode;
    int countNode = 0;
    while (p < strlen(input)) {
        if (input[p] == ' ') {
            p++;
        } else {
            GXATSNode token = scanner(synCode, p, input, this);
            if (isTerminalWord(token.detail)) {
                result = result + terminal[token.detail];
            } else {
                result = result + nonTerminal[token.detail];
            }
            GXATSNode tokenNum;
            if (token.token == "value" || token.token == "data") {
                long res = this->getSourceValue(token.name, source);
                if (res == 0) {
                    tokenNum.name = "null";
                    tokenNum.token = "null";
                } else {
                    GXValue *gxv = (GXValue *) res;
                    if (gxv->tag == GX_TAG_FLOAT) {
                        tokenNum.name = to_string(gxv->float64);
                        if (tokenNum.name.find('.') != -1) {
                            tokenNum.name = regex_replace(tokenNum.name, regex("0+?$"),
                                                          ""); // 除了捕捉到的组以外，其他的东西均舍弃
                            tokenNum.name = regex_replace(tokenNum.name, regex("[.]$"),
                                                          ""); // 除了捕捉到的组以外，其他的东西均舍弃
                        }
                        tokenNum.token = "num";
                    } else if (gxv->tag == GX_TAG_LONG) {
                        tokenNum.name = to_string(gxv->intNum);
                        tokenNum.token = "long";
                    } else if (gxv->tag == GX_TAG_STRING) {
                        tokenNum.name = gxv->str;
                        tokenNum.token = "string";
                    } else if (gxv->tag == GX_TAG_BOOL) {
                        if (gxv->int32 == 1) {
                            tokenNum.name = "true";
                        } else {
                            tokenNum.name = "false";
                        }
                        tokenNum.token = "bool";
                    } else if (gxv->tag == GX_TAG_ARRAY) {
                        tokenNum.name = to_string((long) (gxv->ptr));
                        tokenNum.token = "array";
                    } else if (gxv->tag == GX_TAG_MAP) {
                        tokenNum.name = to_string((long) (gxv->ptr));
                        tokenNum.token = "map";
                    } else if (gxv->tag == GX_TAG_NULL) {
                        tokenNum.name = "null";
                        tokenNum.token = "null";
                    } else {
                        tokenNum.name = "null";
                        tokenNum.token = "null";
                    }
                    if (gxv->tag == GX_TAG_STRING && gxv->str != NULL) {
                        delete[] gxv->str;
                        gxv->str = NULL;
                    }
                    delete gxv;
                }
            } else if (token.token == "function") {
                long res = this->getFunctionValue(token.name, nullptr, 0, "");
                if (res == 0) {
                    tokenNum.name = "null";
                    tokenNum.token = "null";
                } else {
                    GXValue *gxv = (GXValue *) res;
                    if (gxv->tag == GX_TAG_FLOAT) {
                        tokenNum.name = to_string(gxv->float64);
                        if (tokenNum.name.find('.') != -1) {
                            tokenNum.name = regex_replace(tokenNum.name, regex("0+?$"),
                                                          ""); // 除了捕捉到的组以外，其他的东西均舍弃
                            tokenNum.name = regex_replace(tokenNum.name, regex("[.]$"),
                                                          ""); // 除了捕捉到的组以外，其他的东西均舍弃
                        }
                        tokenNum.token = "num";
                    } else if (gxv->tag == GX_TAG_LONG) {
                        tokenNum.name = to_string(gxv->intNum);
                        tokenNum.token = "long";
                    } else if (gxv->tag == GX_TAG_STRING) {
                        tokenNum.name = gxv->str;
                        tokenNum.token = "string";
                    } else if (gxv->tag == GX_TAG_BOOL) {
                        if (gxv->int32 == 1) {
                            tokenNum.name = "true";
                        } else {
                            tokenNum.name = "false";
                        }
                        tokenNum.token = "bool";
                    } else if (gxv->tag == GX_TAG_ARRAY) {
                        tokenNum.name = to_string((long) (gxv->ptr));
                        tokenNum.token = "array";
                    } else if (gxv->tag == GX_TAG_MAP) {
                        tokenNum.name = to_string((long) (gxv->ptr));
                        tokenNum.token = "map";
                    } else if (gxv->tag == GX_TAG_NULL) {
                        tokenNum.name = "null";
                        tokenNum.token = "null";
                    } else {
                        tokenNum.name = "null";
                        tokenNum.token = "null";
                    }
                    if (gxv->tag == GX_TAG_STRING && gxv->str != NULL) {
                        delete[] gxv->str;
                        gxv->str = NULL;
                    }
                    delete gxv;
                }
            } else {
                tokenNum = token;
            }
            if (token.token != "op") {
                token.count = countNode;
                tokenNum.count = countNode;
                countNode++;
                arrayNum.push_back(tokenNum);
            }
            array.push_back(token);
        }
    }
    //释放s的内存空间
    delete[]input;
    result = result + "#";
    long Res;
    mtx.lock();
    unordered_map<string, string>::iterator iter = cache.find(result);
    mtx.unlock();
    if (iter != cache.end()) {
        if (iter->second == "(0)") {
            GXATSNode res = arrayNum[0];
            GXValue *pointer;
            if (res.token == "string") {
                pointer = new GXValue(GX_TAG_STRING, res.name);
            } else if (res.token == "bool") {
                if (res.name == "true") {
                    pointer = new GXValue(GX_TAG_BOOL, 1);
                } else {
                    pointer = new GXValue(GX_TAG_BOOL, 0);
                }
            } else if (res.token == "num") {
                pointer = new GXValue(GX_TAG_FLOAT, (float) atof(res.name.c_str()));
            } else if (res.token == "long") {
                pointer = new GXValue(GX_TAG_LONG, (int64_t) atoll(res.name.c_str()));
            } else if (res.token == "map") {
                pointer = new GXValue(GX_TAG_MAP, (void *) atol(res.name.c_str()));
            } else if (res.token == "array") {
                pointer = new GXValue(GX_TAG_ARRAY, (void *) atol(res.name.c_str()));
            } else if (res.token == "null") {
                pointer = new GXValue(GX_TAG_NULL, 1);
            } else {
                pointer = new GXValue(GX_TAG_NULL, 1);
            }
            Res = (long) pointer;
        } else {
            Res = calculateCache(iter->second, arrayNum, this, source);
        }
    } else {
        Res = check(result, array, this, source, expression);
    }
    arrayNum.clear();
    array.clear();
    return Res;
}