seminar03_initialization/08_stringview/main.cpp

@@ -1,18 +1,16 @@
 #include <iostream>
-#include "miptstring.h"
+#include "miptstring.cpp"
-#include "miptstringview.h"
+#include "miptstringview.cpp"
+
 using namespace std;
 
 int main() {
-    mipt::String a = "abcd";
+        mipt::String str = "Meow!!";
-    mipt::String b = "abce";
+        cout << str << endl;
-    mipt::StringView av = a;
+        mipt::StringView sv = str;
-    mipt::StringView bv = b;
+        cout << "string view: " << sv << endl; 
-    //cout << (b < a) << endl;
+        char a[] = "nyaa!";
-    //cout << (bv < av) << endl;
+        mipt::StringView sv1 = a;
-    cout << av.substr(1,10) << endl; 
+       cout << "string view: " << sv1 << endl; 
-    av.remove_suffix(2);
+       cout << sv1.at(200) << endl;
-    cout << av << endl;
-    mipt::String meow = av;
-    cout << "sv to string: " << meow << endl;
 }

seminar03_initialization/08_stringview/miptstring.cpp

@@ -1,9 +1,9 @@
+#pragma once
+
 #include <iostream>
 #include <algorithm>
 #include <cstdlib>
 #include <cstring>
-#include "miptstring.h"
-#include "miptstringview.h"
 using std::cout, std::cin, std::endl, std::size_t;
 
 namespace mipt{
@@ -19,25 +19,28 @@ char* errorCheckedMalloc(size_t newCapacity)
     return result;
 }
 
-String::String(const char* str) 
+
+class String 
+{
+private:
+
+    size_t mSize        {0};
+    size_t mCapacity    {0};
+    char* mpData        {nullptr};
+
+public:
+
+    String(const char* str) 
     {
         size_t strSize = std::strlen(str);
         resize(strSize);
         std::memcpy(mpData, str, mSize);
     }
 
-String::String() : String("") {}
+    String() : String("") {}
-String::String(const String& s) : String(s.cStr()) {}
+    String(const String& s) : String(s.cStr()) {}
-String::String(const StringView& sv) {
-        mSize = sv.size();
-        (*this).reserve(mSize);
-        for(int i = 0; i < mSize; ++i)
-            mpData[i] = sv[i];
-        mpData[mSize] = '\0';
 
-}
+    String(size_t n, char a)
-
-String::String(size_t n, char a)
     {
         resize(n);
 
@@ -45,12 +48,12 @@ String::String(size_t n, char a)
             mpData[i] = a;
     }
 
-String::~String()
+    ~String()
     {
         std::free(mpData);
     }
 
-void String::reserve(size_t capacity)
+    void reserve(size_t capacity)
     {
         if (capacity <= mCapacity)
             return;
@@ -66,7 +69,7 @@ void String::reserve(size_t capacity)
     }
 
 
-void String::resize(size_t size)
+    void resize(size_t size)
     {
         reserve(size + 1);
         mSize = size;
@@ -74,7 +77,7 @@ void String::resize(size_t size)
     }
 
 
-String& String::operator=(const String& right)
+    String& operator=(const String& right)
     {
         if (this == &right)
             return *this;
@@ -88,7 +91,7 @@ String& String::operator=(const String& right)
     }
 
 
-String String::operator+(const String& b)
+    String operator+(const String& b)
     {
         String result;
         result.resize(mSize + b.mSize);
@@ -100,13 +103,13 @@ String String::operator+(const String& b)
         return result;
     }
 
-String& String::operator+=(const String& right)
+    String& operator+=(const String& right)
     {
         *this = *this + right;
         return *this;
     }
 
-bool String::operator==(const String& right) const
+    bool operator==(const String& right) const
     {
         if (mSize != right.mSize)
             return false;
@@ -118,7 +121,7 @@ bool String::operator==(const String& right) const
         return i == mSize;
     }
 
-bool String::operator<(const String& right) const
+    bool operator<(const String& right) const
     {
         size_t i = 0;
         while (i < mSize && i < right.mSize && mpData[i] == right.mpData[i])
@@ -127,7 +130,7 @@ bool String::operator<(const String& right) const
         return mpData[i] < right.mpData[i];
     }
 
-bool String::operator<=(const String& right) const
+    bool operator<=(const String& right) const
     {
         size_t i = 0;
         while (i < mSize && i < right.mSize && mpData[i] == right.mpData[i])
@@ -136,32 +139,32 @@ bool String::operator<=(const String& right) const
         return mpData[i] <= right.mpData[i];
     }
 
-bool String::operator!=(const String& right) const
+    bool operator!=(const String& right) const
     {
         return !(*this == right);
     }
 
-bool String::operator>(const String& right) const
+    bool operator>(const String& right) const
     {
         return !(*this <= right);
     }
 
-bool String::operator>=(const String& right) const
+    bool operator>=(const String& right) const
     {
         return !(*this < right);
     }
 
-char& String::operator[](size_t i)
+    char& operator[](size_t i)
     {
         return mpData[i];
     }
 
-const char& String::operator[](size_t i) const
+    const char& operator[](size_t i) const
     {
         return mpData[i];
     }
 
-char& String::at(size_t i)
+    char& at(size_t i)
     {
         if (i >= mSize)
         {
@@ -170,7 +173,7 @@ char& String::at(size_t i)
         return mpData[i];
     }
 
-void String::clear()
+    void clear()
     {
         std::free(mpData);
 
@@ -180,7 +183,7 @@ void String::clear()
         mpData[0] = '\0';
     }
 
-void String::addCharacter(char c)
+    void addCharacter(char c)
     {
         if (mSize + 1 == mCapacity)
             reserve(2 * mCapacity);
@@ -190,10 +193,10 @@ void String::addCharacter(char c)
     }
 
 
-size_t String::getSize()        const   {return mSize;}
+    size_t getSize()        const   {return mSize;}
-size_t String::getCapacity()    const   {return mCapacity;}
+    size_t getCapacity()    const   {return mCapacity;}
-const char* String::cStr()      const   {return mpData;}
+    const char* cStr()      const   {return mpData;}
-
+};
 
 
 std::ostream& operator<<(std::ostream& out, const String& s) 

seminar03_initialization/08_stringview/miptstring.h

@@ -1,43 +0,0 @@
-#pragma once
-#include <iostream>
-
-namespace mipt {
-
-class StringView;
-class String 
-{
-private:
-    size_t mSize        {0};
-    size_t mCapacity    {0};
-    char* mpData        {nullptr};
-public:
-    String(const char* str);
-    String();
-    String(const String& s);
-    String(const mipt::StringView& sv);
-    String(size_t n, char a);
-    ~String();
-    void reserve(size_t capacity);
-    void resize(size_t size);
-    String& operator=(const String& right);
-    String operator+(const String& b);
-    String& operator+=(const String& right);
-    bool operator==(const String& right) const;
-    bool operator<(const String& right) const;
-    bool operator<=(const String& right) const;
-    bool operator!=(const String& right) const;
-    bool operator>(const String& right) const;
-    bool operator>=(const String& right) const;
-    char& operator[](size_t i);
-    const char& operator[](size_t i) const;
-    char& at(size_t i);
-    void clear();
-    void addCharacter(char c);
-    size_t getSize()        const; 
-    size_t getCapacity()    const;
-    const char* cStr()      const;
-};
-
-std::ostream& operator<<(std::ostream& out, const String& s);
-std::istream& operator>>(std::istream& in, String& s); 
-}

seminar03_initialization/08_stringview/miptstringview.cpp

@@ -1,30 +1,37 @@
+#pragma once
+
 #include <iostream>
 #include <algorithm>
 #include <cstdlib>
 #include <cstring>
-#include "miptstring.h"
-#include "miptstringview.h"
 using std::cout, std::cin, std::endl, std::size_t;
 
 namespace mipt {
 
-    StringView::StringView() {;
+class StringView 
+{
+private:
+    const char* mpData;
+    size_t mSize;
+  
+public:  
+    StringView() {;
         mSize = 0;
         mpData = nullptr;
     }
-    StringView::StringView(const StringView& str) {
+    StringView(const StringView& str) {
         mSize = str.mSize;
         mpData = str.mpData;
     }
-    StringView::StringView(const mipt::String& s) {
+    StringView(const mipt::String& s) {
         mSize = s.getSize();
         mpData = s.cStr();  
     }
-    StringView::StringView(const char* s) {
+    StringView(const char* s) {
         mpData = s;
         mSize = strlen(s); 
     }
-    const char& StringView::at(size_t i)
+    const char& at(size_t i)
     {
         if (i >= mSize)
         {
@@ -33,49 +40,20 @@ namespace mipt {
         }
         return mpData[i];
     }
-    const char& StringView::operator[](size_t i) const
+    const char& operator[](size_t i)
     {
         return mpData[i];
     }
-    bool StringView::operator<(const StringView& right) const
+    size_t size() {
-    {
-        size_t i = 0;
-        while (i < mSize && i < right.mSize && mpData[i] == right.mpData[i])
-            i++;
-
-        return mpData[i] < right.mpData[i];
-    }
-    size_t StringView::size() const {
         return mSize;
     }
-    StringView StringView::substr(size_t pos, size_t count) {
-        if (pos > mSize) 
-                throw std::out_of_range("Error! Index is out of bounds.");
-        if (pos + count > mSize)
-              count = mSize - pos;
-        StringView result;
-        result.mpData = mpData + pos;
-        result.mSize = count;
-        return result;
-    }
-    void StringView::remove_prefix(size_t n) {
-            mSize -= n;
-    }
-    void StringView::remove_suffix(size_t n) {
-            mSize -= n;
-            mpData += n;
-    }
-/*std::ostream& StringView::operator<<(std::ostream& out, mipt::StringView sv) {
-    size_t size = sv.size();
-    for (int i = 0; i < size; ++i)
-            out << sv[i];
-    return out; 
-}*/
-std::ostream& operator<<(std::ostream& out, const mipt::StringView& sv) {
-    size_t size = sv.size();
-    for (int i = 0; i < size; ++i)
-            out << sv[i];
-    return out; 
-}
-};
 
+};
+}
+
+std::ostream& operator<<(std::ostream& out, mipt::StringView sv) {
+    size_t size = sv.size();
+    for (int i = 0; i < size; ++i)
+            out << sv[i];
+    return out; 
+}

seminar03_initialization/08_stringview/miptstringview.h

@@ -1,28 +0,0 @@
-#pragma once
-
-#include <iostream>
-
-namespace mipt {
-class String;
-class StringView 
-{
-private:
-    const char* mpData;
-    size_t mSize;
-public:  
-    StringView();
-    StringView(const StringView& str);
-    StringView(const mipt::String& s);
-    StringView(const char* s);
-    const char& at(size_t i);
-    const char& operator[](size_t i) const;
-    bool operator<(const StringView& right) const;
-    size_t size() const;
-    StringView substr(size_t pos, size_t count);
-    void remove_prefix(size_t n); 
-    void remove_suffix(size_t n);
-};
-
-std::ostream& operator<<(std::ostream& out, const StringView& sv);
-
-}