Added cpp06/ex00

3 files changed, 209 insertions, 17 deletions

diff --git a/cpp06/ex00/Makefile b/cpp06/ex00/Makefile
index a5cff07..e0de1f1 100644
--- a/cpp06/ex00/Makefile
+++ b/cpp06/ex00/Makefile
@@ -6,11 +6,11 @@
 #    By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2020/04/15 09:59:30 by charles           #+#    #+#              #
-#    Updated: 2020/04/16 10:53:22 by charles          ###   ########.fr        #
+#    Updated: 2020/12/13 16:00:15 by charles          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
-NAME = scalar_conversion
+NAME = convert
 
 CXX = clang++
 CXXFLAGS = -std=c++98 -Wall -Wextra -Werror
diff --git a/cpp06/ex00/main.cpp b/cpp06/ex00/main.cpp
index b82c106..a0ef7f8 100644
--- a/cpp06/ex00/main.cpp
+++ b/cpp06/ex00/main.cpp
@@ -6,31 +6,140 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/04/16 10:54:10 by charles           #+#    #+#             */
-/*   Updated: 2020/11/18 15:53:33 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/12/13 17:11:08 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include <iostream>
+#include <iomanip>
 #include <sstream>
 #include <string>
+#include <cctype>
+#include <climits>
+#include <cmath>
+
+bool is_char(std::string input)
+{
+    return input.length() == 3 && input[0] == '\'' && input[2] == '\'';
+}
+
+bool is_int(std::string input)
+{
+    if (input[0] == '-' || input[0] == '+')
+        input = input.substr(1);
+    for (size_t i = 0; i < input.length(); i++)
+        if (!isdigit(input[i]))
+            return false;
+    return true;
+}
+
+bool is_double(std::string input)
+{
+    if (input == "nan" || input == "+inf" || input == "-inf")
+        return true;
+    if (input[0] == '-' || input[0] == '+')
+        input = input.substr(1);
+    if (input.find('.') == std::string::npos ||
+        input.find('.') != input.rfind('.') ||
+        input.find('.') == 0 ||
+        input.find('.') == input.length() - 1)
+        return false;
+    for (size_t i = 0; i < input.length(); i++)
+    {
+        if (input[i] == '.')
+            continue;
+        if (!isdigit(input[i]))
+            return false;
+    }
+    return true;
+}
+
+bool is_float(std::string input)
+{
+    if (input[input.length() - 1] != 'f')
+        return false;
+    if (input.find('.') == std::string::npos)
+        input.insert(input.length() - 1, ".0");
+    return is_double(input.substr(0, input.length() - 1));
+}
 
 int main(int argc, char **argv)
 {
-    // if (argc != 2)
-    // {
-    //     std::cerr << "Usage: " << argv[0] << " litteral" << std::endl;
-    //     return 1;
-    // }
-    //
-    //
-    // std::string s(argv[1]);
-    //
-    // if (s.empty())
-    // {
-    //     std::cerr << "Cannot be empty" << std::endl;
-    //     return 1;
-    // }
+    if (argc != 2)
+    {
+        std::cerr << "Usage: " << argv[0] << " litteral" << std::endl;
+        return 1;
+    }
+    std::string s(argv[1]);
+    if (s.empty())
+    {
+        std::cerr << "Litteral cannot be empty" << std::endl;
+        return 1;
+    }
+    std::cout << std::setprecision(1) << std::fixed;
+
+    double x;
+    if (is_char(s))
+        x = s[1];
+    else if (is_int(s))
+    {
+        std::stringstream ss(s);
+        ss >> x;
+    }
+    else if (is_float(s))
+    {
+        if (s == "nanf")
+            x = NAN;
+        else if (s == "+inff")
+            x = INFINITY;
+        else if (s == "-inff")
+            x = -INFINITY;
+        else
+        {
+            std::stringstream ss(s.substr(0, s.length() - 1));
+            ss >> x;
+        }
+    }
+    else if (is_double(s))
+    {
+        if (s == "nan")
+            x = NAN;
+        else if (s == "+inf")
+            x = INFINITY;
+        else if (s == "-inf")
+            x = -INFINITY;
+        else
+        {
+            std::stringstream ss(s);
+            ss >> x;
+        }
+    }
+    else
+    {
+        std::cerr << "Litteral `" << s << "` is not valid" << std::endl;
+        return 1;
+    }
+
+
+    if (CHAR_MIN <= x && x <= CHAR_MAX && !std::isnan(x) && !std::isinf(x))
+    {
+        char c = static_cast<char>(x);
+        if (std::isprint(c))
+            std::cout << "char: '" << c << "'" << std::endl;
+        else
+            std::cout << "char: Non displayable" << std::endl;
+    }
+    else
+        std::cout << "char: impossible" << std::endl;
+
+
+    if (INT_MIN <= x && x <= INT_MAX && !std::isnan(x) && !std::isinf(x))
+        std::cout << "int: " << static_cast<int>(x) << std::endl;
+    else
+        std::cout << "int: impossible" << std::endl;
 
+    std::cout << "float: " << static_cast<float>(x) << 'f' << std::endl;
+    std::cout << "double: " << x << std::endl;
 
     return 0;
 }
diff --git a/cpp06/ex00/test.sh b/cpp06/ex00/test.sh
new file mode 100755
index 0000000..2ed386d
--- /dev/null
+++ b/cpp06/ex00/test.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+convert_test () {
+    echo "$ ./convert $1"
+    ./convert "$1"
+    echo '-------------------------------------------------'
+}
+
+convert_test ''
+convert_test '    '
+convert_test '   1'
+convert_test '1   '
+convert_test ' 1  '
+convert_test '- 1'
+
+echo '=================================== CHAR  ==================='
+convert_test "'a'"
+convert_test "'A'"
+convert_test "' '"
+convert_test "'~'"
+convert_test "'.'"
+convert_test "'"
+convert_test "''"
+
+echo '=================================== INT   ==================='
+convert_test 0
+convert_test 5
+convert_test 70
+convert_test -1
+convert_test -0
+convert_test -70
+convert_test +70
+convert_test  2147483647
+convert_test -2147483648
+convert_test  2147483648
+convert_test -2147483649
+
+echo '=================================== FLOAT  =================='
+convert_test '0.0f'
+convert_test '1.0f'
+convert_test '0.1f'
+convert_test '3333.1f'
+convert_test '1.3333f'
+convert_test '.f'
+convert_test '.1f'
+convert_test '1.f'
+convert_test '1..1f'
+convert_test 'f'
+convert_test '0f'
+convert_test '1f'
+convert_test '33f'
+convert_test '-33f'
+convert_test '-33.45f'
+convert_test '+33f'
+convert_test '+33.45f'
+convert_test 'inff'
+convert_test '+inff'
+convert_test '-inff'
+convert_test 'nanf'
+convert_test '-nanf'
+
+echo '=================================== DOUBLE =================='
+convert_test '0.0'
+convert_test '1.0'
+convert_test '0.1'
+convert_test '3333.1'
+convert_test '1.3333'
+convert_test '.'
+convert_test '.1'
+convert_test '1.'
+convert_test '1..1'
+convert_test '0'
+convert_test '1'
+convert_test '33'
+convert_test '-33'
+convert_test '-33.45'
+convert_test '+33'
+convert_test '+33.45'
+convert_test 'inf'
+convert_test '+inf'
+convert_test '-inf'
+convert_test 'nan'
+convert_test '-nan'