C++自定义接口类设计器之模板代码生成四

关键代码

    QStringList multis = templateStr.split('\n');
    bool startConfig = false;
    bool startVar = false;
    bool startTemplate = false;
    for (const auto& line : multis) {
        if(startConfig) {
            if(line.trimmed().startsWith("camealCase")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                auto val = name_val.back();
                m_isCamelCase = ("true" == val.trimmed());
            }
        }

        if(startVar) {
            if(line.trimmed().startsWith("scopeName")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                m_scopeName = name_val.back().trimmed();
            } else if(line.trimmed().startsWith("funcName")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                m_funcName = name_val.back().trimmed();
            } else if(line.trimmed().startsWith("returnType")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                m_returnType = name_val.back().trimmed();
            } else if(line.trimmed().startsWith("defaultReturn")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                m_defalutValue = name_val.back().trimmed();
            } else if(line.trimmed().startsWith("paramType")) {
                auto name_val = line.split('=');
                if(name_val.empty())
                    continue;
                m_paramType = name_val.back().trimmed();
            }
        }

        if(startTemplate) {
            auto replaceText = line;
            if(auto index = line.indexOf("${returnType}"); -1 != index) {
                replaceText.replace("${returnType}", m_returnType);
            }
            if(auto index = line.indexOf("${scopeName}"); -1 != index) {
                if(m_isCamelCase) {
                    auto preChar = line.at(index - 1);
                    auto newScopeName = m_scopeName;
                    if(QChar(' ') == preChar)
                        newScopeName.replace(0, 1, newScopeName.at(0).toUpper());
                    else
                        newScopeName.replace(0, 1, newScopeName.at(0).toLower());
                    replaceText.replace("${scopeName}", newScopeName);
                } else {
                    replaceText.replace("${scopeName}", m_scopeName);
                }
            }
            if(auto index = line.indexOf("${funcName}"); -1 != index) {
                if(m_isCamelCase) {
                    auto preChar = line.at(index - 1);
                    auto newFuncName = m_funcName;
                    if(QChar(' ') == preChar)
                        newFuncName.replace(0, 1, newFuncName.at(0).toLower());
                    else
                        newFuncName.replace(0, 1, newFuncName.at(0).toUpper());
                    replaceText.replace("${funcName}", newFuncName);
                } else {
                    replaceText.replace("${funcName}", m_funcName);
                }
            }
            if(auto index = line.indexOf("${paramType}"); -1 != index) {
                replaceText.replace("${paramType}", m_paramType);
            }
            if(auto index = line.indexOf("${defaultReturn}"); -1 != index) {
                replaceText.replace("${defaultReturn}", m_defalutValue);
            }
            m_template += replaceText + '\n';
        }


        if("[config]" == line.trimmed()) {
            startConfig = true;
        } else if("[var]" == line.trimmed()) {
            startConfig = false;
            startVar = true;
        } else if("[template]" == line.trimmed()) {
            startVar = false;
            startTemplate = true;
        }
    }

模板配置

[config]
camealCase = true

[var]
scopeName = Test
funcName = genetate
returnType = std::string
defaultReturn = ""

[template]
${returnType} ${scopeName}::get${funcName}() const
{
    auto node = getNode();
    if (!node)
        return ${defaultReturn};

    ${returnType} ${funcName} = node->${funcName}(); // 修改属性名
    return ${funcName};
}

生成后

std::string Test::getGenetate() const

{
    
auto node = getNode();

if (!node)

return "";



std::string genetate = node->genetate(); // 修改属性名

return genetate;

}

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C++自定义接口类设计器之可对称赋值三-CSDN博客

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