chapter16 cin

hzchenxiaobin · May 28, 2023 · 6987373 · 6987373
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diff --git a/chapter17/1.cpp b/chapter17/1.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    cout << "Hello world!" << endl;
+
+    return 0;
+}
diff --git a/chapter17/2.cpp b/chapter17/2.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    char ch;
+    cin.get(ch);
+
+    int ct = 0;
+    while(ch != '\n')
+    {
+        cout << ch;
+        ct++;
+        cin.get(ch);
+    }
+
+    cout << ct << endl;
+
+    return 0;
+}
diff --git a/chapter17/a.out b/chapter17/a.out
diff --git a/chapter17/get_fun b/chapter17/get_fun
diff --git a/chapter17/get_fun.cpp b/chapter17/get_fun.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+const int Limit = 255;
+
+int main()
+{
+    char input[Limit];
+
+    cout << "Enter a string  for getline() processing: " << endl;
+    cin.getline(input, Limit, '#');
+    cout << "Here is your input: " << endl;
+    cout << input << endl;
+    cout << "---------------------------" << endl;
+
+    char ch;
+    cin.get(ch);
+    cout << ch << endl;
+    return 0;
+}
diff --git a/chapter17/peeker.cpp b/chapter17/peeker.cpp
@@ -0,0 +1,49 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    char ch;
+
+    while (cin.get(ch))
+    {
+        if (ch != '#')
+            cout << ch;
+        else
+        {
+            cin.putback(ch);
+            break;
+        }
+    }
+
+    cout << endl;
+
+    if (!cin.eof())
+    {
+        cin.get(ch);
+        cout << ch << " is next input character." << endl
+    }
+    else
+    {
+        cout << "End of input reached." << endl;
+        exit(0);
+    }
+
+    while (cin.peek() != '#')
+    {
+        cin.get(ch);
+        cout << ch;
+    }
+
+    if (!cin.eof())
+    {
+        cin.get(ch);
+        cout << endl
+             << ch << " is next input character." << endl;
+    }
+    else
+        cout << "End of file reached." << endl;
+
+    return 0;
+}
diff --git a/chapter17/text b/chapter17/text
@@ -0,0 +1 @@
+Hello world!
diff --git a/chapter17/truncate b/chapter17/truncate
diff --git a/chapter17/truncate.cpp b/chapter17/truncate.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+
+using namespace std;
+
+const int SLEN = 10;
+
+int main()
+{
+    char name[SLEN];
+    char title[SLEN];
+
+    cout << "Enter your name: ";
+    cin.get(name, SLEN);
+
+    if(cin.peek() != '\n')
+        cout << "Sorry, we don't have enough room for " << name << endl;
+
+    while(cin.get() != '\n')
+        continue;
+
+    cout << "Dear " << name <<", enter your title: ";
+    cin.get(title, SLEN);
+    if(cin.peek() != '\n')
+    cout << "We were forced to truncate your title." << endl;
+    cout << "Name: " << name << endl;
+    cout << "Title: " << title << endl;
+
+    return 0;
+}