Format.

2026-08-29 16:40:42 +08:00 · 2025-12-11 15:29:41 -06:00
parent 8bba16e766
commit 8383ce353f
5 changed files with 140 additions and 2 deletions
@@ -0,0 +1,10 @@
+.PHONY: all
+all: hellorecursive
+
+hellorecursive: hellorecursive.cpp
+	g++ -std=c++17 -g -I/usr/include/qt6 -o hellorecursive hellorecursive.cpp -L/usr/lib64 -lQt6Widgets -lQt6Core
+
+.PHONY: clean
+clean:
+	rm -f hellorecursive hellorecursive.o
+
@@ -0,0 +1,116 @@
+#include <QtWidgets/QApplication>
+#include <QtCore/QFile>
+#include <QtCore/QString>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+#include <QtCore/QString>
+#include <QtCore/QDebug>
+
+QStringList parseCommaList  (const QString& str, QChar startBracket, QChar endBracket) {
+
+    // name = "Pasveer, Ernie", age = 60, salary = 0.25, location = {city = "Houston", state = "Texas", zip = 77063}
+    //
+    // name = "Pasveer, Ernie"
+    // age = 60
+    // salary = 0.25
+    // location = {city = "Houston", state = "Texas", zip = 77063}
+    //
+    // special case: garbage value:
+    // {id = 2, b = \"000hildTest 2000377177000000260324377377377177\", '000' <repeats 11 times>, \"hildTest 2000-", '0' <repeats 11 times>, "1", '0' <repeats 21 times>, "330324377377377177000000004", '0' <repeats 21 times>, "test\", '000' <repeats 21 times>, \"325377377\", child = {childId = -9864, childString = \"\"}}
+
+    enum STATE{
+        START       = 0,
+        SCANNING    = 1,
+        FOUND       = 2,
+        IGNORE      = 3,
+    };
+
+    QStringList list;
+    int         index        = 0;
+    int         start        = 0;
+    int         end          = 0;
+    int         previousComma= 0;
+    STATE       state        = START;
+
+    while (index < str.length()) {
+
+        // Handle "="
+        if (str[index] == '=') {
+            if (state == SCANNING)               // looking for 2nd '='
+            {
+                // state = FOUND;
+                end = previousComma;
+                QString field = str.mid(start, end-start);
+                list.append(field.trimmed());
+                start = previousComma + 1;
+            }
+            if (state == START)               // looking for 2nd '='
+            {
+                state = SCANNING;
+
+            }
+        }
+
+        if (str[index] == startBracket)
+        {
+            state = IGNORE;
+        }
+
+        if (str[index] == endBracket)
+        {
+            state = SCANNING;
+        }
+
+        if (str[index] == ',' && state != IGNORE) {
+            previousComma = index;
+        }
+
+        // The last
+        if (index == str.length() - 1)
+        {
+            QString field = str.mid(start, index);
+            list.append(field.trimmed());
+        }
+        index++;
+    }
+    return list;
+}
+
+void readLinesFromFile(const QString &filePath) {
+
+    QFile file(filePath);
+
+    // Open file in read-only mode
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qDebug() << "Cannot open file:" << file.errorString();
+        return;
+    }
+
+    QTextStream in(&file);
+
+    // Read line by line
+    while (!in.atEnd()) {
+        qDebug() << "========================================================================================================\n";
+
+        QStringList list;
+        QString line = in.readLine();
+        qDebug() << "New string: " << line << "\n";
+        list = parseCommaList(line, '{', '}');
+        qDebug() << "Output: " << list;
+    }
+
+    file.close();
+}
+
+int main(int argc, char *argv[]) {
+
+    QApplication app(argc, argv);
+
+    // "/home/quangnm/Desktop/testcase.txt"
+    // "C:/path/to/file.txt"
+
+    readLinesFromFile(argv[1]);
+
+    return app.exec();
+}
+
@@ -0,0 +1,12 @@
+id = 2, b = \\\"\\\\000hildTest 2\\\\000\\\\377\\\\177\\\\000\\\\000P\\\\327\\\\377\\\\377\\\\377\\\\177\\\", '\\\\000' <repeats 11 times>, \\\"hildTest 2\\\\000\\\\377\\\\177\\\\000\\\\000\\\\001\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000x\\\\327\\\\377\\\\377\\\\377\\\\177\\\\000\\\\000\\\\004\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000test\\\", '\\\\000' <repeats 20 times>, \\\"\\\\240\\\\327\\\\377\\\\377\\\", child = {childId = -9864, childString = \\\"\\\"}
+id = 2, b = \"000hildTest 2000377177000000P327377377377177\", '000' <repeats 11 times>, \"hildTest 2000377177000000001", '0' <repeats 21 times>, "x327377377377177000000004", '0' <repeats 21 times>, "test\", '000' <repeats 20 times>, \"240327377377\", child = {childId = -9864, childString = \"\"}
+id = -2, b = \"test\", child = {childId = -1, childString = \"childTest\"}
+id = 2, b = \"000hildTest 2000377177000000P327377377377177\", '000' <repeats 11 times>, \"hildTest 2000377177000000001", '0' <repeats 21 times>, "x327377377377177000000004", '0' <repeats 21 times>, "test\", '000' <repeats 20 times>, \"240327377377\", child = {childId = -9864, childString = \"\"}
+child = {childId = -9864, childString = \"\"}, child = {childId = -9864, childString = \"\"}
+id = 1431674881, b = \"\", child = {childId = 1431667073, childString = \"\"}
+id = -2, b = \\\"test\\\", child = {childId = -1, childString = \\\"childTest\\\"}
+id = -2, b = \"test\", child = {childId = -1, childString = \"childTest\"}
+id = 1431674881, b = \"\", child = {childId = 1431667073, childString = \"\"}
+childId = -1, childString = \"childTest\"
+childId = 1431667073, childString = \"\", childId = 1431667073, childString = \"\"
+childId = -9864, childString = \\\"\\\"