一个c++实现的文本编辑器

供某些需要完成数据结构大作业的孩子参考吧

一个晚上肝出来的，老师一脸嫌弃，那我有什么办法呢

一些常见的快捷键

ctrl + s 保存

ctrl +o 打开

ctrl+f 查找

pageup/pagedown  翻页

只有一些很简单的功能

cpp文件

#include "sbcfree.hpp"

LinkList linkList;
bool runing;


bool cls()
{
    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    COORD coordScreen = {0, 0};    
    DWORD cCharsWritten;
    CONSOLE_SCREEN_BUFFER_INFO csbi; 
    DWORD dwConSize;                
 

    if(!GetConsoleScreenBufferInfo( hConsole, &csbi ))
        return false;
    dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
 

    if(!FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
        return false;
 

    if(!GetConsoleScreenBufferInfo( hConsole, &csbi ))
        return false;
 

    if(!FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
        return false;
 

    if(!SetConsoleCursorPosition( hConsole, coordScreen ))
        return false;
}



void getinn()
{
	bool ok=0,okk=0;int saveok=0;
    char ch=getch();
	if(ch==-32){
		ch=getch();
		switch (ch)
            {
           	case 73:
           		linkList.pageUp();
           		break;
           	case 81:
			   	linkList.pageDown();
           		break;
            case 72:
                linkList.Move(0);
                break;
            case 80:
                linkList.Move(1);
                break;
            case 75:
                linkList.Move(2);
                break;
            case 77:
                linkList.Move(3);
                break;
            default:
                break;
            }
	}
	else if(ch==13)
		linkList.enter();
	else if(ch==8)
		linkList.Delete();
	else if(ch==6)
		linkList.Search();
	else if(ch==15){
		if(!linkList.open())
			okk=1;
	}
	else if(ch==27)
		runing=0;
	else if(ch==19)
	{
		if(!linkList.save())
			saveok=1;
		else 
			saveok=-1;
	}
	else
		if(!linkList.Insert(ch))
			ok=1;
	cls();
	//system("cls");	
	linkList.Show();
	
	if(ok)
		cout<<"输入超限"<

sbcfree.hpp文件

#include 

#include 

#include 

#include 

#include 

#include 

#include

#include 

#include

#include

#include
using namespace std;


void gotoXY(int x, int y)
{
   //Initialize the coordinates
   COORD coord = {x, y};
   //Set the position
   SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}

class LinkNode
{
    private:
        char s[300];

        int slength;

        LinkNode *s_next;

        LinkNode *s_last;
    public:
        LinkNode();

        LinkNode(char *name, int age);

        void SetNext(LinkNode *n);

        void SetLast(LinkNode *n);

        void Insert(int wz,char c);

        void Delete(int wz);

        void putstring(int wz,char *str,int l);

        void Setlength(int d);

        LinkNode *GetNext();

        LinkNode *GetLast();

        void Show();

        void Show(int wz);

        void change(string line);

        char *GetString();

        int GetLength();

        ~LinkNode();
};


class LinkList
{
    private:

      LinkNode *s_head;

      LinkNode *point;

      LinkNode *top;
      int s_sum;

      int wz; 
      int hs;
      int zs;


	public:
	  LinkList();
		
      void neww();
      
      void List();

      bool Insert(char c);

	  void pageUp();
	  
	  void pageDown();	
      
      void Delete();

      void Show();

      void Search();

      void Move(int n);

      int getwz();

      void enter();

      bool open();

      bool save();

      ~LinkList();
};


LinkNode::LinkNode()
{
    slength = 0;
    s_next=NULL;
    s_last=NULL;
}


LinkNode::LinkNode(char *name,int length)
{
    strcpy(s,name);
    slength = length;
    s_next = NULL;
}


void LinkNode::SetNext(LinkNode *n)
{
    s_next = n;
}

void LinkNode::Setlength(int d)
{
    slength=d;
}

void LinkNode::Insert(int wz,char c)
{
    for(int i=slength;i>wz;i--)
        s[i]=s[i-1];
    s[wz]=c;
    slength++;
}

void LinkNode::Delete(int wz)
{
    for(int i=wz-1;iGetNext();
		delete mid;
	}
	
	s_head = new LinkNode;
    s_sum=0;
    hs=wz=0;
    zs=0;
    point = s_head;
    top = s_head;
	
}


bool LinkList::Insert(char c)
{
    if((point->GetLength())>=80)
        return 0;

    LinkNode *p = point;
    point->Insert(wz,c);
    wz++;
    zs++;

    return 1;
}


void LinkList::Delete()
{
	if(point==s_head &&wz==0)
		return;
    if(point!=s_head && wz==0&&point->GetLength()>0)
    {
        if(point==s_head)return;
        LinkNode *mid = point;
        point=point->GetLast();
        char *str=point->GetString();
        int l=point->GetLength();
        char *t = mid->GetString();
        int l1=mid->GetLength();
        for(int i=l,j=0;jSetlength(l+l1);
        wz=l;

        mid->GetNext()->SetLast(point);
        point->SetNext(mid->GetNext());
        hs--;
        delete mid;
        return;
    }  

/*
    if(point==s_head &&point->GetLength()==0)
        return;
*/

	if(point->GetLength()==0)
    {
        LinkNode *ll=point->GetLast();
        LinkNode *nn=point->GetNext();

        if(point==s_head)
        {
            LinkNode *now=point; 
            s_head=nn;
            point=nn;
            top=point;
            delete now;
            hs++;
        }
        else{
            ll->SetNext(nn);
            if(nn!=NULL)
                nn->SetLast(ll);
            LinkNode *now=point;
            point = ll;
            wz=ll->GetLength();
            if(top==now)
            	top=ll;
            delete now;
        }


        wz = point->GetLength();
        hs--;
    }
    else
    {
        point->Delete(wz);
        wz--;
        zs--;
    }
}

void LinkList::pageUp()
{
	int j=0;
	while(j<5&&top!=s_head)
	{
		j++;
		top=top->GetLast();
		point=point->GetLast();	
	}
	hs-=j;
	wz=min(wz,point->GetLength());
}

void LinkList::pageDown()
{
	int j=0;
	while(j<5&&point->GetNext()!=NULL)
	{
		j++;
		top=top->GetNext();
		point=point->GetNext();
	}
	hs+=j;
	wz=min(wz,point->GetLength());
}

void LinkList::Show()
{
	if(top->GetLast()==point)
		top=top->GetLast();
	int j=0;
	LinkNode *wh = top;
	while(j<18&&wh!=NULL&&wh!=point)
		wh=wh->GetNext(),j++;
	if(j>=18)
		top=top->GetNext();
    LinkNode *p=top;
    int i=0;
    do{
        if(p!=point)
            p->Show();
        else
        	p->Show(wz);
        p = p->GetNext();
        i++;
    }while(p!=NULL &&i <20);

	
	
	gotoXY(0, 21);


    cout<<"                                                      行 "<GetLast();
                if(wz>point->GetLength())
                    wz=point->GetLength();
                hs--;
            }
            break;

        case 1:
            if(point->GetNext()!=NULL)
            {
                point=point->GetNext();
                if(wz>point->GetLength())
                    wz=point->GetLength();
                hs++;
            }
            break;

        case 2:
            if(wz>0)wz--;
            else if(wz==0 &&point!=s_head)
            {
                point=point->GetLast();
                wz=point->GetLength();
                hs--;
            }
            break;

        case 3:
            if(wzGetLength())
                wz++;
            else if(wz==point->GetLength()&&point->GetNext()!=NULL)
            {
                point=point->GetNext();
                wz=0;
                hs++;
            }

        default:
            break;
    }
}


void LinkList::enter()
{
    LinkNode *qt = new LinkNode;
    LinkNode *now=point;
    LinkNode *next = point->GetNext();

    qt->SetNext(next);
    qt->SetLast(now);
    now->SetNext(qt);

    if(next!=NULL)
    	next->SetLast(qt);
    char *str=point->GetString();
    int l = point->GetLength();
    qt->putstring(wz,str,l);
    for(int i=wz;iSetlength(wz);
    point = qt;
    wz=0;
    hs++;
}


void LinkList::Search()
{
    cout<<"输入你所要查找的字符串"<>T;

    int l = strlen(T);

    int next[100];

    next[0]=-1;

    int j=0,k=-1;


    while(jGetString();

        int len = re->GetLength();

        int i=0,j=0;

        while(iGetLast();
				
                system("cls");

                Show();
                //cout<>c;

                if(c!='Y'&&c!='y')
                    return;
                
                i++,j=next[j];
            }
        }

        c++;
        re=re->GetNext();

    }while(re!=NULL);


    cout<<"查找结束（任意键确定）"<>d;
    ifstream in(d.c_str());
    string line;

    if(!in)
    {
        return 0;
    }

    while(getline(in,line))
    {
        point->change(line);
        zs+=point->GetLength();
        wz=point->GetLength();
        enter();
    }

    wz=point->GetLength();
    top=point;
    for(int i=0;i<10;i++)
    	top=top->GetLast();
    in.close();
    return 1;
}


bool LinkList::save()
{
    cout<<"输入所要保存的名称"<>d;
    ofstream out(d.c_str());

    if(!out)
        return 0;

    LinkNode *qqq=s_head;

    do{
        for(int i=0;iGetLength();i++)
            out<GetString()[i];
        out<GetNext();
    }while(qqq!=NULL);

    out.close();

    return 1;
}