完善一点从apt源文件获取数据的库（暂不可用）

aptpkginfo.cpp

@@ -3,8 +3,9 @@
 #include <QDir>
 #include <QDebug>
 
-AptPkgInfo::AptPkgInfo(QString pkgName)
+AptPkgInfo::AptPkgInfo(QString pkgName, PkgSearchOption option)
 {
+    this->pkgSearchOption = option;
     SetPkgName(pkgName);
     ReadAptData();
 }
@@ -19,13 +20,58 @@ void AptPkgInfo::ReadAptData()
         if(i == "." || i == "..") {
             continue;
         }
-        // TODO: bug
-        if(i.mid(-10, -1) != "_Packages") {
+        if(i.mid(i.indexOf("_Packages")) != "_Packages") {
             continue;
         }
         QFile file(dir.path() + "/" + i);
         file.open(QFile::ReadOnly);
-        aptData += file.readAll() + "\n";
+        // 分析
+        QString pkgData;
+        pkgDataStatus status = pkgDataStatus::None;
+        while(!file.atEnd()) {
+            QByteArray line = file.readLine();
+            if(line.replace(" ", "").replace("\n", "") == "") {
+                // 空行
+                if(status == pkgDataStatus::IsContain) {
+                    aptData += pkgData + "\n";
+                }
+                status = pkgDataStatus::EmptyLine;
+                pkgData = "";  // 清空
+                continue;
+            }
+            // 如果已经被检测为非要寻找的包名，则
+            if(status == pkgDataStatus::UnContain) {
+                continue;  // 忽略该行
+            }
+            // 分析行
+            if(line.contains("Package: ")) {
+                // 如果为包名行，则进行分析
+                // 是否含有要求关键字
+                QString pkgName = line.replace("Package: ", "").replace(" ", "").replace("\n", "");
+                switch(this->pkgSearchOption) {
+                case PkgSearchOption::Equal:
+                    if(pkgName == this->pkgName) {
+                        status = pkgDataStatus::IsContain;
+                    }
+                    else {
+                        status = pkgDataStatus::UnContain;
+                    }
+                    break;
+                case PkgSearchOption::Include:
+                    if(pkgName.contains(this->pkgName)) {
+                        status = pkgDataStatus::IsContain;
+                    }
+                    else {
+                        status = pkgDataStatus::UnContain;
+                    }
+                    break;
+                }
+                pkgData += line + "\n";
+                continue;
+            }
+            // 处理
+            pkgData += line + "\n";
+        }
         file.close();
     }
     qDebug() << aptData;

aptpkginfo.h

@@ -8,7 +8,12 @@ class AptPkgInfo: QObject
 {
     Q_OBJECT
 public:
-    AptPkgInfo(QString pkgName);
+    enum PkgSearchOption {
+        Include = 0,
+        Equal = 1
+    };
+
+    AptPkgInfo(QString pkgName, PkgSearchOption option = PkgSearchOption::Equal);
 
     void SetPkgName(QString pkgName);
     QStringList GetAptPackageList(QString name) const;
@@ -20,10 +25,23 @@ public:
     QString get_version() const;
     QString get_maintainer() const;
 
+
+
 private:
     QString pkgName;
     QString pkgInfo;
     QString aptData;
+    PkgSearchOption pkgSearchOption = PkgSearchOption::Equal;
+
+    enum pkgDataStatus {
+        EmptyLine = 0,
+        EmptyLineAgain = 1,
+        Reading = 2,
+        Readed = 3,
+        None = 4,
+        UnContain = 5,
+        IsContain = 6
+    };
 
     void ReadAptData();
 };

kernelinformation.cpp

@@ -15,7 +15,7 @@ void KernelInformation::LoadInfo()
     /*for(QString i: data) {
 
     }*/
-    AptPkgInfo info = AptPkgInfo("");
+    AptPkgInfo info = AptPkgInfo("linux-", AptPkgInfo::PkgSearchOption::Include);
     QJsonArray array;
     QStringList list = info.GetAptPackageList("linux-base");
     for(QString i: list) {