关键代码
// 解析为函数 bool FunctionCreator::parse(const QString& lineFunc) { auto trimFunc = lineFunc.trimmed(); auto list = trimFunc.split(" "); bool bHasReturn = false; // 返回值和函数名解析 for (const auto& key : list) { auto trimKey = key.trimmed(); if(trimKey.isEmpty()) continue; if("virtual" == trimKey.toLower()) continue; if("void" == trimKey.toLower()) { bHasReturn = true; continue; } if(!bHasReturn) { if(m_returnType.decoration.isEmpty()) { m_returnType.decoration += trimKey; continue; } else { // 返回值数据类型扩展，首个数据可能是类型修饰符 if(trimKey.endsWith('*')) { m_returnType.decoration += " " + trimKey; bHasReturn = true; continue; } if(trimKey.endsWith('&')) { m_returnType.decoration += " " + trimKey; bHasReturn = true; continue; } if(trimKey.endsWith(']')) { m_returnType.decoration += " " + trimKey; bHasReturn = true; continue; } if(trimKey.startsWith("const")) { m_returnType.decoration += " " + trimKey; continue; } if(trimKey.startsWith("volatile")) { m_returnType.decoration += " " + trimKey; continue; } const auto& typeKeys = FunctionCreator::typeKeys(); for (const auto& type : typeKeys) { bHasReturn = m_returnType.decoration.contains(type); if(bHasReturn) break; // 有基础数据类型，返回值有效 } } } // 匹配首个大写字母 auto paramStartPos = trimKey.indexOf('('); if(-1 == paramStartPos) break; QRegularExpression regex("[A-Z]"); QRegularExpressionMatch match = regex.match(trimKey); if (match.hasMatch() && match.capturedStart() < paramStartPos) { m_prefixName = trimKey.mid(0, match.capturedStart()); m_name = trimKey.mid(match.capturedStart(), paramStartPos - match.capturedStart()); } else { m_name = trimKey.mid(0, paramStartPos); } break; } // 函数参数解析 auto paramStartPos = lineFunc.indexOf('('); auto paramEndPos = lineFunc.lastIndexOf(')'); if(-1 == paramStartPos || -1 == paramEndPos) return false; auto params = lineFunc.mid(paramStartPos + 1, paramEndPos - paramStartPos - 1).split(','); Param var; for (const auto& param : params) { auto trimParam = param.trimmed(); if(trimParam.isEmpty()) continue; auto varNameStartIndex = trimParam.lastIndexOf(' '); if(-1 == varNameStartIndex) { var.type.decoration = trimParam; continue; } var.type.decoration = trimParam.mid(0, varNameStartIndex).trimmed(); var.name = trimParam.mid(varNameStartIndex).trimmed(); addParam(var); } // 函数尾部解析 auto lastSuffix = lineFunc.mid(paramEndPos); auto lastSuffixs = lastSuffix.split(' '); for (const auto& suffix : lastSuffixs) { auto trimSuffix = suffix.trimmed(); if(trimSuffix.isEmpty()) continue; if("const" == trimSuffix.toLower()) m_lastSuffixs.emplace_back(trimSuffix.toLower()); } return true; }解析前
解析后
C++自定义接口类设计器-CSDN博客
