From cca5439be1d772e67b7f5d48db572df90b02d41e Mon Sep 17 00:00:00 2001
From: Leonetienne <leonetienne@hotmail.de>
Date: Mon, 14 Mar 2022 12:17:15 +0100
Subject: [PATCH] Added padding functionality

---
 Src/.StringTools.cpp.swp       | Bin 0 -> 16384 bytes
 Src/StringTools.cpp            |  23 ++++++++++++++++-
 Src/StringTools.h              |   6 +++++
 Test/.String__PadRight.cpp.swp | Bin 0 -> 12288 bytes
 Test/CMakeLists.txt            |   1 +
 Test/String__PadLeft.cpp       |  44 +++++++++++++++++++++++++++++++++
 Test/String__PadRight.cpp      |  44 +++++++++++++++++++++++++++++++++
 7 files changed, 117 insertions(+), 1 deletion(-)
 create mode 100644 Src/.StringTools.cpp.swp
 create mode 100644 Test/.String__PadRight.cpp.swp
 create mode 100644 Test/String__PadLeft.cpp
 create mode 100644 Test/String__PadRight.cpp

diff --git a/Src/.StringTools.cpp.swp b/Src/.StringTools.cpp.swp
new file mode 100644
index 0000000000000000000000000000000000000000..47abbdc057b4cedc133d5e82ee143d0728d4e572
GIT binary patch
literal 16384
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diff --git a/Src/StringTools.cpp b/Src/StringTools.cpp
index 346e1bd..fe16c93 100644
--- a/Src/StringTools.cpp
+++ b/Src/StringTools.cpp
@@ -95,7 +95,6 @@ std::string StringTools::Upper(const std::string& str) {
 
 std::vector<std::string> StringTools::Split(const std::string& str, const std::string& seperator) {
     std::vector<std::string> toRet;
-    
     // Quick-accept: str length is 0
     if (str.length() == 0)
       toRet.push_back("");
@@ -132,3 +131,25 @@ std::vector<std::string> StringTools::Split(const std::string& str, const std::s
 
     return toRet;
 }
+
+std::string StringTools::PadLeft(const std::string& str, const char pad, const std::size_t len) {
+  std::stringstream ss;
+
+  for (std::size_t i = str.length(); i < len; i++)
+    ss << pad;
+
+  ss << str;
+
+  return ss.str();
+}
+
+std::string StringTools::PadRight(const std::string& str, const char pad, const std::size_t len) {
+  std::stringstream ss;
+
+  ss << str;
+
+  for (std::size_t i = str.length(); i < len; i++)
+    ss << pad;
+
+  return ss.str();
+}
diff --git a/Src/StringTools.h b/Src/StringTools.h
index d65772a..e8de59d 100644
--- a/Src/StringTools.h
+++ b/Src/StringTools.h
@@ -29,6 +29,12 @@ public:
   //! Will split a string by a string seperator
   static std::vector<std::string> Split(const std::string& str, const std::string& seperator);
 
+  //! Will pad a string to the left to length l 
+  static std::string PadLeft(const std::string& str, const char pad, const std::size_t len);
+
+  //! Will pad a string to the right to length l 
+  static std::string PadRight(const std::string& str, const char pad, const std::size_t len);
+
 private:
   // No instanciation! >:(
   StringTools();
diff --git a/Test/.String__PadRight.cpp.swp b/Test/.String__PadRight.cpp.swp
new file mode 100644
index 0000000000000000000000000000000000000000..de26daecc999ecaca54d464b0b050fe580dbc163
GIT binary patch
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diff --git a/Test/CMakeLists.txt b/Test/CMakeLists.txt
index 41ad3c9..dca5870 100644
--- a/Test/CMakeLists.txt
+++ b/Test/CMakeLists.txt
@@ -16,6 +16,7 @@ add_executable(Test
         String__Replace_Char.cpp
         String__Replace_String.cpp
         String__Split.cpp
+        String__PadLeft.cpp
 
         # CharTools-Tests
         Char__IsVowel.cpp
diff --git a/Test/String__PadLeft.cpp b/Test/String__PadLeft.cpp
new file mode 100644
index 0000000..e424e42
--- /dev/null
+++ b/Test/String__PadLeft.cpp
@@ -0,0 +1,44 @@
+#include <StringTools.h>
+#include "Catch2.h"
+
+// Tests that padding to a length shorter adds no padding 
+TEST_CASE(__FILE__"/PadToShorterLength", "[Strings][PadLeft]")
+{
+    // Setup
+    const std::string in = "hello";
+
+    // Exercise
+    const std::string out = StringTools::PadLeft(in, '0', 3);
+
+    // Verify
+    REQUIRE(out == "hello");
+    return;
+}
+
+// Tests that padding to a length equal adds no padding 
+TEST_CASE(__FILE__"/PadToEqualLength", "[Strings][PadLeft]")
+{
+  // Setup
+  const std::string in = "hello";
+
+  // Exercise
+  const std::string out = StringTools::PadLeft(in, '0', 5);
+
+  // Verify
+  REQUIRE(out == "hello");
+  return;
+}
+
+// Tests that adding padding works
+TEST_CASE(__FILE__"/Padding", "[Strings][PadLeft]")
+{
+    // Setup
+    const std::string in = "hello";
+
+    // Exercise
+    const std::string out = StringTools::PadLeft(in, '0', 7);
+
+    // Verify
+    REQUIRE(out == "00hello");
+    return;
+}
diff --git a/Test/String__PadRight.cpp b/Test/String__PadRight.cpp
new file mode 100644
index 0000000..6846454
--- /dev/null
+++ b/Test/String__PadRight.cpp
@@ -0,0 +1,44 @@
+#include <StringTools.h>
+#include "Catch2.h"
+
+// Tests that padding to a length shorter adds no padding 
+TEST_CASE(__FILE__"/PadToShorterLength", "[Strings][PadRight]")
+{
+    // Setup
+    const std::string in = "hello";
+
+    // Exercise
+    const std::string out = StringTools::PadRight(in, '0', 3);
+
+    // Verify
+    REQUIRE(out == "hello");
+    return;
+}
+
+// Tests that padding to a length equal adds no padding 
+TEST_CASE(__FILE__"/PadToEqualLength", "[Strings][PadRight]")
+{
+  // Setup
+  const std::string in = "hello";
+
+  // Exercise
+  const std::string out = StringTools::PadRight(in, '0', 5);
+
+  // Verify
+  REQUIRE(out == "hello");
+  return;
+}
+
+// Tests that adding padding works
+TEST_CASE(__FILE__"/Padding", "[Strings][PadRight]")
+{
+    // Setup
+    const std::string in = "hello";
+
+    // Exercise
+    const std::string out = StringTools::PadRight(in, '0', 7);
+
+    // Verify
+    REQUIRE(out == "hello00");
+    return;
+}