데블스캠프2011/셋째날/String만들기/서지혜 - Revision history

Maintenance script: Repair batch-0005 pages from live compare

2026-03-27T00:44:55Z

Repair batch-0005 pages from live compare

← Older revision		Revision as of 00:44, 27 March 2026
Line 47:		Line 47:
	for(i=0; ; i++)		for(i=0; ; i++)
	{		{
	if(origin[i] == '\0') break;		if(origin[i] == '\0') break;
	}		}

Line 57:		Line 57:
	for(i=0 ; i<length; i++)		for(i=0 ; i<length; i++)
	{		{
	values[i] = origin[i];		values[i] = origin[i];
	}		}
	}		}
Line 71:		Line 71:
	for(i=0; i<length; i++)		for(i=0; i<length; i++)
	{		{
	values[i] = str.values[offset + i];		values[i] = str.values[offset + i];
	}		}
	}		}
Line 85:		Line 85:
	const char String::charAt(int offset)		const char String::charAt(int offset)
	{		{
	return values[offset];		return values[offset];
	}		}

Line 101:		Line 101:
	for(i=0; ; i++)		for(i=0; ; i++)
	{		{
	if(str[i] == '\0') break;		if(str[i] == '\0') break;
	}		}
	newLength = this->length+i;		newLength = this->length+i;
Line 110:		Line 110:
	{		{
	if(i < this->length)		if(i < this->length)
	newValues[i] = values[i];		newValues[i] = values[i];
	else if(i >= this->length)		else if(i >= this->length)
	newValues[i] = str[i-this->length];		newValues[i] = str[i-this->length];
	}		}

Line 127:		Line 127:
	for(int i=0; i<this->length; i++)		for(int i=0; i<this->length; i++)
	{		{
	if(values[i] != str.values[i])		if(values[i] != str.values[i])
	return false;		return false;
	}		}
Line 139:		Line 139:
	for(i=0; ; i++)		for(i=0; ; i++)
	{		{
	if(str[i] == '\0') break;		if(str[i] == '\0') break;
	}		}
	if(i != length)		if(i != length)
Line 146:		Line 146:
	for(i=0; i<this->length; i++)		for(i=0; i<this->length; i++)
	{		{
	if(values[i] != str[i])		if(values[i] != str[i])
	return false;		return false;
	}		}
Line 163:		Line 163:
	for(i=0; i<length; i++)		for(i=0; i<length; i++)
	{		{
	if(values[i] >= 65 && values[i] <= 90)		if(values[i] >= 65 && values[i] <= 90)
	{		{
	valuesForCase[i] = values[i]+32;		valuesForCase[i] = values[i]+32;
	}		}
	}		}
	valuesForCase[i] = '\0';		valuesForCase[i] = '\0';

	return valuesForCase;		return valuesForCase;
Line 182:		Line 182:
	for(i=0; i<length; i++)		for(i=0; i<length; i++)
	{		{
	if(values[i] >= 90 && values[i] <= 122)		if(values[i] >= 90 && values[i] <= 122)
	{		{
	valuesForCase[i] = values[i]-32;		valuesForCase[i] = values[i]-32;
	}		}
	}		}
	valuesForCase[i] = '\0';		valuesForCase[i] = '\0';

	return valuesForCase;		return valuesForCase;
Line 196:		Line 196:
	for(int i=0; i<length; i++)		for(int i=0; i<length; i++)
	{		{
	putchar(values[i]);		putchar(values[i]);
	}		}
	printf("\n");		printf("\n");
Line 243:		Line 243:
	----		----
	* 짱재밌당!! 올해 데블스에도 이런거하자 - [[서지혜]]		* 짱재밌당!! 올해 데블스에도 이런거하자 - [[서지혜]]

imported>rabierre at 11:10, 20 March 2012

2012-03-20T11:10:46Z

← Older revision		Revision as of 11:10, 20 March 2012
Line 241:		Line 241:
	return 0;		return 0;
	}		}
			----
			* 짱재밌당!! 올해 데블스에도 이런거하자 - [[서지혜]]

imported>rabierre at 12:58, 29 June 2011

2011-06-29T12:58:05Z

← Older revision		Revision as of 12:58, 29 June 2011
Line 204:		Line 204:
	#include <stdio.h>		#include <stdio.h>
	#include "String.h"		#include "String.h"


	int main()		int main()
Line 214:		Line 215:

	// concat		// concat
	str.concat("ccc");		String strCon = str.concat("ccc");

	// equals		// equals
	String str2("ddddccc");		String str2("ddddccc");
	if(~~str~~.equals(~~str2~~)) // OK		if(str2.equals(strCon)) // OK
	printf("oo2 \n");		printf("oo2 \n");

imported>rabierre at 12:56, 29 June 2011

2011-06-29T12:56:43Z

← Older revision		Revision as of 12:56, 29 June 2011
Line 26:		Line 26:
	void print();		void print();
	};		};

	* String.cpp 소스파일		* String.cpp 소스파일
	{{{#include <stdio.h>		{{{#include <stdio.h>
	#include <malloc.h>		#include <malloc.h>

imported>rabierre at 12:56, 29 June 2011

2011-06-29T12:56:17Z

← Older revision		Revision as of 12:56, 29 June 2011
Line 26:		Line 26:
	void print();		void print();
	};		};

	* String.cpp 소스파일		* String.cpp 소스파일
	#include <stdio.h>		{{{#include <stdio.h>
	#include <malloc.h>		#include <malloc.h>
	#include <stdlib.h>		#include <stdlib.h>
Line 77:		Line 77:
	String::~String()		String::~String()
	{		{

	}		}

Line 95:		Line 96:
	}		}

	~~void~~ String::concat(const char* str)		String String::concat(const char* str)
	{		{
	int i, newLength;		int i, newLength;
Line 114:		Line 115:
	}		}

	~~values =~~ newValues;		String temp(newValues);
	length = newLength;		temp.length = newLength;
			return temp;
	}		}

Line 150:		Line 152:
	return true;		return true;
	}		}


	const char* String::toLower()		const char* String::toLower()

imported>rabierre at 12:44, 29 June 2011

2011-06-29T12:44:34Z

← Older revision		Revision as of 12:44, 29 June 2011
Line 198:		Line 198:
	}		}

			* 메인함수
	#include <stdio.h>		#include <stdio.h>
	#include "String.h"		#include "String.h"


	int main()		int main()

imported>rabierre at 12:43, 29 June 2011

2011-06-29T12:43:49Z

New page

C++로 Java의 String 클래스 구현하기
* 주의 : 매우 구림

* String.h 헤더파일
class String {
private:
char* values;
char* valuesForCase;
int length;
int offset;
int lengthForSubs;

public:
String();
String(const char* origin);
String(const String str, const int offset, const int length);
~String();
public:
const char charAt(const int offset);
void concat(const char* str);
bool equals(String str);
bool equals(const char* str);
bool isEmpty();
const char* toLower();
const char* toUpper();
void print();
};

* String.cpp 소스파일
#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>
#include "String.h"

String::String()
{
values = NULL;
valuesForCase = NULL;
offset = -1;
length = 0;
}

String::String(const char* origin)
{
int i;
for(i=0; ; i++)
{
if(origin[i] == '\0') break;
}

offset = 0;
length = i;
values = (char*)malloc(sizeof(char) * length);
valuesForCase = NULL;

for(i=0 ; i<length; i++)
{
values[i] = origin[i];
}
}

String::String(const String str, const int offset, const int length)
{
this->offset = 0;
this->length = length;
values = (char*)malloc(sizeof(char) * length);
valuesForCase = NULL;

int i;
for(i=0; i<length; i++)
{
values[i] = str.values[offset + i];
}
}

String::~String()
{
}

///////////////////////////////////////////////////////////////////////
////

const char String::charAt(int offset)
{
return values[offset];
}

bool String::isEmpty()
{
if(length <= 0)
return true;

return false;
}

void String::concat(const char* str)
{
int i, newLength;
for(i=0; ; i++)
{
if(str[i] == '\0') break;
}
newLength = this->length+i;

char* newValues = (char*)malloc(sizeof(char) * newLength);

for(i=0; i<newLength; i++)
{
if(i < this->length)
newValues[i] = values[i];
else if(i >= this->length)
newValues[i] = str[i-this->length];
}

values = newValues;
length = newLength;
}

bool String::equals(String str)
{
if(this->length != str.length)
return false;

for(int i=0; i<this->length; i++)
{
if(values[i] != str.values[i])
return false;
}

return true;
}

bool String::equals(const char* str)
{
int i;
for(i=0; ; i++)
{
if(str[i] == '\0') break;
}
if(i != length)
return false;

for(i=0; i<this->length; i++)
{
if(values[i] != str[i])
return false;
}

return true;
}

const char* String::toLower()
{
if(valuesForCase != NULL)
free(valuesForCase);
valuesForCase = (char*)malloc(sizeof(char) * (length+1));

int i;
for(i=0; i<length; i++)
{
if(values[i] >= 65 && values[i] <= 90)
{
valuesForCase[i] = values[i]+32;
}
}
valuesForCase[i] = '\0';

return valuesForCase;
}

const char* String::toUpper()
{
if(valuesForCase != NULL)
free(valuesForCase);
valuesForCase = (char*)malloc(sizeof(char) * (length+1));

int i;
for(i=0; i<length; i++)
{
if(values[i] >= 90 && values[i] <= 122)
{
valuesForCase[i] = values[i]-32;
}
}
valuesForCase[i] = '\0';

return valuesForCase;
}

void String::print()
{
for(int i=0; i<length; i++)
{
putchar(values[i]);
}
printf("\n");
}

#include <stdio.h>
#include "String.h"

int main()
{
String str("dddd");

// charAt
if(str.charAt(3) == 'd') // OK
printf("oo \n");

// concat
str.concat("ccc");

// equals
String str2("ddddccc");
if(str.equals(str2)) // OK
printf("oo2 \n");

// toUpper
String temp(str2.toUpper());
if(temp.equals("DDDDCCC"))
printf("DDDDCCCC is same\n");

// toLower
String temp2(temp.toLower());
if(temp2.equals("ddddccc"));
printf("ddddccc is same\n");

// isEmpty
if(!str2.isEmpty())
printf("str2 is not empty\n");
String str3;
if(str3.isEmpty())
printf("str2 is empty\n");

return 0;
}