From b30b81c1d9f23104c6ee3603eca325621beb4f7d Mon Sep 17 00:00:00 2001
From: taynpg <taynpg@163.com>
Date: Fri, 13 Jun 2025 11:22:35 +0800
Subject: [PATCH] =?UTF-8?q?add=EF=BC=9A=E6=B7=BB=E5=8A=A0=E6=AD=A3?=
 =?UTF-8?q?=E5=88=99=E6=9C=80=E5=B8=B8=E7=94=A8=E7=9A=84=E5=9F=BA=E6=9C=AC?=
 =?UTF-8?q?=E4=BB=8B=E7=BB=8D=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .vscode/settings.json |   3 +-
 MainWidget.cpp        | 119 +++++++++++++++++++++++++++++++++++++++---
 MainWidget.h          |   1 +
 MainWidget.ui         |   9 +++-
 4 files changed, 122 insertions(+), 10 deletions(-)

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 2dabecf..be36613 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,6 @@
 {
     "files.associations": {
-        "qapplication": "cpp"
+        "qapplication": "cpp",
+        "xstring": "cpp"
     }
 }
\ No newline at end of file
diff --git a/MainWidget.cpp b/MainWidget.cpp
index 1ecd1de..60ef2f3 100644
--- a/MainWidget.cpp
+++ b/MainWidget.cpp
@@ -6,6 +6,7 @@
 #include <QRegularExpression>
 #include <QScreen>
 #include <QSettings>
+#include <QTextBrowser>
 #include <filesystem>
 
 #include "./ui_MainWidget.h"
@@ -134,6 +135,8 @@ MainWidget::MainWidget(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWi
         push_content(current_);
     });
 
+    connect(ui->btnRegIntro, &QPushButton::clicked, this, [&]() { showRegexIntro(); });
+
     QSettings settings;
     settings.beginGroup("xmlopr");
     restoreGeometry(settings.value("geometry").toByteArray());
@@ -430,8 +433,20 @@ void MainWidget::search(const QString& key)
         return;
     }
 
+    QRegularExpression regex;
     if (!ui->cbCaseSensitive->isChecked()) {
-        bkey = bkey.toUpper();
+        regex = QRegularExpression(bkey);
+    } else {
+        regex = QRegularExpression(bkey, QRegularExpression::CaseInsensitiveOption);
+    }
+
+    bool useRegex = false;
+    if (!regex.isValid()) {
+        if (!ui->cbCaseSensitive->isChecked()) {
+            bkey = bkey.toUpper();
+        }
+    } else {
+        useRegex = true;
     }
 
     current_.clear();
@@ -439,14 +454,24 @@ void MainWidget::search(const QString& key)
         for (auto i = 0; i < keys_.size(); ++i) {
             const char* data = item->Attribute(keys_[i].c_str());
             QString qdata(data);
-            if (!ui->cbCaseSensitive->isChecked()) {
-                qdata = qdata.toUpper();
+
+            if (useRegex) {
+                QRegularExpressionMatch match = regex.match(qdata);
+                if (!match.hasMatch()) {
+                    continue;
+                }
+                current_.push_back(item);
+                break;
+            } else {
+                if (!ui->cbCaseSensitive->isChecked()) {
+                    qdata = qdata.toUpper();
+                }
+                if (!qdata.contains(bkey)) {
+                    continue;
+                }
+                current_.push_back(item);
+                break;
             }
-            if (!qdata.contains(bkey)) {
-                continue;
-            }
-            current_.push_back(item);
-            break;
         }
     }
     push_content(current_, ui->edCurPage->text().toUInt(), true);
@@ -527,6 +552,12 @@ bool MainWidget::edit_property(Element_t* target, int row, bool is_copy)
     Property_t property;
     xml_.get_attributes(target, property);
 
+    if (is_copy) {
+        attri_edit_->setWindowTitle(u8"复制项目");
+    } else {
+        attri_edit_->setWindowTitle(u8"编辑项目");
+    }
+
     // 检测key值是否变化
     std::string value_pre = property[0].value;
     attri_edit_->set_attribute(property);
@@ -1009,6 +1040,78 @@ void MainWidget::clear_tab_widget()
     }
 }
 
+void MainWidget::showRegexIntro()   // btnRegIntro
+{
+    // 创建一个对话框窗口
+    QDialog* dialog = new QDialog(this);
+    dialog->setWindowTitle("QRegularExpression 基本语法");
+    dialog->resize(800, 600);
+
+    // 创建布局
+    QVBoxLayout* layout = new QVBoxLayout(dialog);
+
+    // 创建文本浏览器用于显示Markdown内容
+    QTextBrowser* textBrowser = new QTextBrowser(dialog);
+    textBrowser->setOpenExternalLinks(true);
+
+    // 设置Markdown内容
+    QString markdownContent = R"(
+# QRegularExpression 基本语法（简化版）
+
+## 1. 常用元字符
+
+| 语法 | 说明 |
+|------|------|
+| `.`  | 匹配任意单个字符（除换行符） |
+| `\d` | 匹配数字（0-9） |
+| `\D` | 匹配非数字 |
+| `\w` | 匹配字母、数字或下划线（[A-Za-z0-9_]） |
+| `\W` | 匹配非单词字符 |
+| `\s` | 匹配空白字符（空格、制表符等） |
+| `\S` | 匹配非空白字符 |
+| `[...]` | 匹配括号内的任意字符（如[aeiou]） |
+| `[^...]` | 匹配不在括号内的任意字符 |
+
+## 2. 量词
+
+| 语法 | 说明 |
+|------|------|
+| `*`  | 匹配0次或多次 |
+| `+`  | 匹配1次或多次 |
+| `?`  | 匹配0次或1次 |
+| `{n}` | 匹配恰好n次 |
+| `{n,}` | 匹配至少n次 |
+| `{n,m}` | 匹配n到m次 |
+
+## 3. 锚点
+
+| 语法 | 说明 |
+|------|------|
+| `^`  | 匹配字符串开头 |
+| `$`  | 匹配字符串结尾 |
+| `\b` | 匹配单词边界 |
+
+## 4. 转义字符
+
+| 语法 | 说明 |
+|------|------|
+| `\\` | 匹配反斜杠 |
+| `\.` | 匹配点号 |
+| `\*` | 匹配星号 |
+
+## 示例代码
+
+```cpp
+QRegularExpression re("^\\d{3}-\\d{2}-\\d{4}$");  // 匹配SSN格式
+if (re.match("123-45-6789").hasMatch()) {
+    qDebug() << "Valid SSN";
+}
+)";
+    textBrowser->setMarkdown(markdownContent);
+    layout->addWidget(textBrowser);
+    dialog->exec();
+}
+
 std::string MainWidget::extract_prefix(const std::string& name)
 {
     auto pos = name.find('.');
diff --git a/MainWidget.h b/MainWidget.h
index 692b9c4..89b9431 100644
--- a/MainWidget.h
+++ b/MainWidget.h
@@ -80,6 +80,7 @@ private:
     void unit_change();
     bool format_xml();
     void clear_tab_widget();
+    void showRegexIntro();
 
 private:
     std::string extract_prefix(const std::string& name);
diff --git a/MainWidget.ui b/MainWidget.ui
index 1513e9e..5a06604 100644
--- a/MainWidget.ui
+++ b/MainWidget.ui
@@ -246,6 +246,13 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QPushButton" name="btnRegIntro">
+        <property name="text">
+         <string>正则简介</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <spacer name="horizontalSpacer">
         <property name="orientation">
@@ -336,7 +343,7 @@
      <x>0</x>
      <y>0</y>
      <width>1171</width>
-     <height>33</height>
+     <height>25</height>
     </rect>
    </property>
   </widget>