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220
Planner/String.h
Normal file
220
Planner/String.h
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#pragma once
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class String {
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friend String operator+(const String& a, const String& b);
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long length;
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char* body;
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public:
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String() {
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length = 0;
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body = new char[1];
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body[0] = '\0';
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}
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String(const char* s) {
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length = strlen(s);
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body = new char[length + 1];
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for (long i = 0; i < length; ++i)
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body[i] = s[i];
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body[length]='\0';
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}
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String(const char* s, char ps) {
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length = strlen(s);
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body = new char[length + 1];
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for (long i = 0; i < length; ++i){
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body[i] = (s[i]==ps)? '\n': s[i];
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}
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body[length]='\0';
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}
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~String() {
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if (body != NULL) {
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delete[] body;
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}
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}
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void println() const{
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printf("[%s]\n", body);
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}
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void addChar(char c) {
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char* buf = new char[length + 2];
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for (long i = 0; i < length; ++i) {
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buf[i] = body[i];
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}
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buf[length] = c;
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length++;
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//--
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buf[length] = '\0';
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delete[] body;
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body = buf;
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buf = NULL;
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}
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char * getCharArray() const{
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return body;
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}
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String (int s){
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length = 0;
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body = new char[1];
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body[0] = '\0';
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if (s>=0){
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int s_ = s;
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int size = 1;
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while (s_>=10){
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s_ = s_/10;
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size++;
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}
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length = size;
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body = new char [size+1];
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sprintf(body, "%d", s);
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}
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}
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String (long s){
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length = 0;
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body = new char[1];
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body[0] = '\0';
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if (s>=0){
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long s_ = s;
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long size = 1;
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while (s_>=10){
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s_ = s_/10;
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size++;
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}
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length = size;
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body = new char [size+1];
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sprintf(body, "%ld", s);
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}
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}
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const String& operator=(const String& s){
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if (body != NULL)
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delete[] body;
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length = s.length;
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body = new char[length+1];
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for (long i=0; i<length; ++i)
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body[i]=s.body[i];
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body[length]='\0';
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return *this;
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}
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static String DQuotes(const String& s){
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String res;
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res.length = s.length+2;
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res.body=new char[res.length+1];
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res.body[0] = '"';
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res.body[res.length-1] = '"';
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res.body[res.length] = '\0';
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for (long i=0; i< s.length; ++i)
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res.body[i+1]=s.body[i];
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return res;
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}
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String Replace(char f, char t){
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String res;
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res.length = length;
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res.body = new char[length];
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res.body[length]='\0';
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for (long i = 0; i < length; ++i)
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res.body[i]= (body[i]==f)? t: body[i];
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return res;
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}
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String Remove(char f){
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String res;
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for (long i=0; i<length; ++i){
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if (body[i]!=f)
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res.addChar(body[i]);
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}
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return res;
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}
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bool isEmpty() const{
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return length==0;
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}
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bool contains(const String& s) const{
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bool res = false;
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bool search_on=false;
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if (s.isEmpty()) return true;
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if (s.length>length) return false;
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long k=0;
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long start=-1;
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for (long i=0; i<length; ++i){
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if (search_on){
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if (k<s.length){
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if (body[i]==s.body[k]){
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k++;
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}else {
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//обрыв поиска.
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search_on =false;
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k=0;
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start=-1;
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}
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}
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else {
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//printf("starts with %ld", start);
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return true;
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}
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}else {
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if (body[i]== s.body[0]){
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k=1;
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start=i;
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search_on=true;
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//printf("search started %d\n", start);
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}
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}
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}
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if (search_on) {
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//printf("starts with %ld\n", start);
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res=true;
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}
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return res;
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}
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String toUpper(){
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String res = String(this->getCharArray());
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for (long i=0; i<length; ++i)
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res.body[i]= toupper(body[i]);
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res.println();
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return res;
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}
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long getLength(){
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return length;
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}
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bool operator==(const String&s) const {
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if (length!=s.length) return false;
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for (long i=0; i<length; ++i){
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if (body[i]!=s.body[i]) return false;
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}
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return true;
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}
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/* регистр.
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#include <stdio.h>
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#include <ctype.h>
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int main(void) {
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FILE * f;
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int c;
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if ( ! ( f = fopen("file.txt", "r") ) )
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return -1;
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while ( ( c = fgetc(f) ) != EOF )
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putchar( isupper(c) ? tolower(c) : toupper(c) );
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return ( fclose(f) );
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}
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*/
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};
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String operator+(const String& a, const String& b){
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String res = String();
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res.length =a.length+b.length;
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res.body = new char[res.length+1];
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for (long i=0; i<a.length; ++i)
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res.body[i]=a.body[i];
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for (long i=0; i<b.length; ++i)
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res.body[i+a.length]=b.body[i];
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res.body[res.length]='\0';
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return res;
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}
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