From 0921163e1f88c8e80991f0c94e0fc70c6dcba72d Mon Sep 17 00:00:00 2001
From: Oskar <open7software@gmail.com>
Date: Sun, 6 Oct 2024 21:28:38 +0200
Subject: more

---
 8p10.cpp                  | 42 ++++++++++++++++++++++++++++++++++++++++++
 8p11.cpp                  | 43 +++++++++++++++++++++++++++++++++++++++++++
 8p12.cpp                  | 13 +++++++++++++
 8p9.cpp                   | 38 ++++++++++++++++++++++++++++++++++++++
 section-8.3.1-program.cpp | 34 ++++++++++++++++++++++++++++++++++
 5 files changed, 170 insertions(+)
 create mode 100644 8p10.cpp
 create mode 100644 8p11.cpp
 create mode 100644 8p12.cpp
 create mode 100644 8p9.cpp
 create mode 100644 section-8.3.1-program.cpp

diff --git a/8p10.cpp b/8p10.cpp
new file mode 100644
index 0000000..6b1ce76
--- /dev/null
+++ b/8p10.cpp
@@ -0,0 +1,42 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <sstream>
+#include <fstream>
+
+/*
+ *
+ * 8.10
+ *
+ *
+ */
+
+int main (int argc, char **argv) {
+
+	if(argc < 2 || argc > 2) {
+		return -1;
+	}
+
+	std::ifstream file(argv[1]);
+	if(file.fail()) {
+		std::cerr << argv[0] << ": cannot open file  '" << argv[1] << "'" << std::endl;
+		return -1;
+	}
+
+	std::vector<std::string> all_lines;
+	std::string cur_line;
+	while(getline(file, cur_line)) {
+		all_lines.push_back(cur_line);
+	}
+
+	for(auto &ref_all_lines : all_lines) {
+		std::istringstream is(ref_all_lines);
+		std::string is_tmp;
+		while(is >> is_tmp) {
+			std::cout << is_tmp << "\n";
+		}
+	}
+	
+	std::cout << std::ends;
+	return 0;
+}
diff --git a/8p11.cpp b/8p11.cpp
new file mode 100644
index 0000000..267e692
--- /dev/null
+++ b/8p11.cpp
@@ -0,0 +1,43 @@
+#include <iostream>
+#include <vector>
+#include <sstream>
+
+/*
+ *
+ * 8.11
+ *
+ *
+ */
+
+struct PersonInfo {
+	std::string name;
+	std::vector<std::string> phones;
+};
+
+int main () {
+
+	std::string line;
+	std::string word;
+	std::vector<PersonInfo> people;
+	std::istringstream record;
+	while (getline(std::cin, line)) {
+		PersonInfo info;
+		record.clear(); 
+		record.str(line);
+		record >> info.name; // read the name
+		while (record >> word) {
+			info.phones.push_back(word);
+		}
+		
+		people.push_back(info);
+	}
+
+	for(auto &a : people) {
+		std::cout << a.name << "\n";
+		for(auto &b : a.phones) {
+			std::cout << b << "\n";
+		}
+	}
+	
+	return 0;
+}
diff --git a/8p12.cpp b/8p12.cpp
new file mode 100644
index 0000000..48dc542
--- /dev/null
+++ b/8p12.cpp
@@ -0,0 +1,13 @@
+
+/*
+ *
+ * 8.12
+ *
+ *
+ */
+
+int main () {
+
+	// Because we don't need them?
+	return 0;
+}
diff --git a/8p9.cpp b/8p9.cpp
new file mode 100644
index 0000000..5889ca2
--- /dev/null
+++ b/8p9.cpp
@@ -0,0 +1,38 @@
+#include <iostream>
+#include <sstream>
+
+/*
+ *
+ * 8.9
+ *
+ *
+ */
+
+std::istream &read_print_report(std::istringstream &rpr) {
+
+	std::string a;
+	while(rpr >> a) {
+		std::cout << a;
+	}
+
+	if(rpr.good()) { std::cout << "good" << std::endl; }
+	if(rpr.eof()) { std::cout << "eof" << std::endl; }
+	if(rpr.fail()) { std::cout << "fail" << std::endl; }
+	if(rpr.bad()) { std::cout << "bad" << std::endl; }
+	rpr.clear();
+	std::cout << "--- cleared --- \n";
+	if(rpr.good()) { std::cout << "good" << std::endl; }
+	if(rpr.eof()) { std::cout << "eof" << std::endl; }
+	if(rpr.fail()) { std::cout << "fail" << std::endl; }
+	if(rpr.bad()) { std::cout << "bad" << std::endl; }
+	return rpr;
+}
+
+
+int main () {
+
+	std::string s = "wow i love c++!! This is so cool! I am loving these features, it really feels like C but without having to reimplement everything!";
+	std::istringstream a(s);
+	read_print_report(a);
+	return 0;
+}
diff --git a/section-8.3.1-program.cpp b/section-8.3.1-program.cpp
new file mode 100644
index 0000000..01e6de4
--- /dev/null
+++ b/section-8.3.1-program.cpp
@@ -0,0 +1,34 @@
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+struct PersonInfo {
+	std::string name;
+	std::vector<std::string> phones;
+};
+
+int main () {
+
+	std::string line, word; // will hold a line and word from input, respectively
+	std::vector<PersonInfo> people; // will hold all the records from the input
+	// read the input a line at a time until cin hits end-of-file (or another error)
+	while (getline(std::cin, line)) {
+		PersonInfo info;
+		// create an object to hold this record’s data
+		std::istringstream record(line); // bind record to the line we just read
+		record >> info.name; // read the name
+		while (record >> word)
+			// read the phone numbers
+			info.phones.push_back(word); // and store them
+		people.push_back(info); // append this record to people
+	}
+
+	for(auto &a : people) {
+		std::cout << a.name << "\n";
+		for(auto &b : a.phones) {
+			std::cout << b << "\n";
+		}
+	}
+ return 0;
+}
-- 
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