MyLib

Log/ConfigParser.cpp

@@ -0,0 +1,70 @@
+#include "ConfigParser.h"
+
+#include <fstream>
+#include <iostream>
+#include <algorithm>
+#include <cctype>
+
+using namespace std;
+
+/** 清理字符串前后空格 */
+void trim(std::string &s) {
+	auto wsfront = std::find_if_not(s.begin(), s.end(), [](int c) {
+		return std::isspace(c);
+	});
+	auto wsback = std::find_if_not(s.rbegin(), s.rend(), [](int c) {
+		return std::isspace(c);
+	}).base();
+	s = (wsback <= wsfront) ? std::string() : std::string(wsfront, wsback);
+}
+
+CPStatus configFromIni(const std::string &path, std::unordered_map<std::string, std::string> &config) {
+	CPStatus result = CPSUCCESS;
+	//打开文件
+	ifstream file(path);
+	if (!file.is_open()) {
+		result = CPFILE;
+		return result;
+	}
+	// 一次性读取整个文件（减少I/O操作）
+	file.seekg(0, std::ios::end);
+	size_t size = file.tellg();
+	file.seekg(0, std::ios::beg);
+	string m_buffer;
+	m_buffer.resize(size);
+	file.read(&m_buffer[0], static_cast<long long>(size));
+	//处理全部数据
+	config.clear();
+	std::string line;
+	line.reserve(256);  // 预分配行缓存
+	for (auto it = m_buffer.cbegin(); it != m_buffer.cend();) {
+		// 快速跳过空白行
+		while (it != m_buffer.cend() && (*it == '\r' || *it == '\n')) { ++it; }
+		if (it == m_buffer.cend()) break;
+		
+		// 获取行内容
+		line.clear();
+		while (it != m_buffer.cend() && *it != '\r' && *it != '\n' && *it != '\0') {
+			line += *it++;
+		}
+		//处理行内容
+		// 跳过空行和注释
+		if (line.empty() || line[0] == ';' || line[0] == '#') {
+			++it;
+			continue;
+		}
+		
+		// 分割键值对
+		size_t eq_pos = line.find('=');
+		if (eq_pos != std::string::npos) {
+			std::string key = line.substr(0, eq_pos);
+			std::string value = line.substr(eq_pos + 1);
+			trim(key);
+			trim(value);
+			if (!key.empty()) {
+				config[key] = value; // 移动语义自动优化
+			}
+		}
+	}
+	return result;
+}