updated version of CString.h

This commit is contained in:
Borja Ferrer 2005-09-10 21:04:05 +00:00
parent f0c5e44985
commit 2d787f43de

View File

@ -32,6 +32,9 @@
#ifndef _INCLUDE_CSTRING_H
#define _INCLUDE_CSTRING_H
#include <string.h>
#include <stdio.h>
//by David "BAILOPAN" Anderson
class String
{
@ -39,10 +42,8 @@ public:
String()
{
v = NULL;
mSize = 0;
cSize = 0;
Grow(2);
assign("");
a_size = 0;
//assign("");
}
~String()
@ -54,41 +55,45 @@ public:
String(const char *src)
{
v = NULL;
mSize = 0;
cSize = 0; assign(src);
a_size = 0;
assign(src);
}
const char * _fread(FILE *fp)
{
Grow(512, false);
char *ret = fgets(v, 511, fp);
return ret;
}
String(String &src)
{
v = NULL;
mSize = 0;
cSize = 0;
a_size = 0;
assign(src.c_str());
}
const char *c_str() { return v?v:""; }
const char *c_str() const { return v?v:""; }
void append(const char *t)
{
Grow(cSize + strlen(t) + 1);
Grow(size() + strlen(t) + 1);
strcat(v, t);
cSize = strlen(v);
}
void append(const char c)
{
Grow(cSize + 2);
v[cSize] = c;
v[++cSize] = 0;
size_t len = size();
Grow(len + 2);
v[len] = c;
v[len + 1] = '\0';
}
void append(String &d)
{
const char *t = d.c_str();
Grow(cSize + strlen(t));
strcat(v, t);
cSize = strlen(v);
append(d.c_str());
}
void assign(const String &src)
@ -100,79 +105,56 @@ public:
{
if (!d)
{
Grow(1);
cSize = 0;
strcpy(v, "");
return;
}
Grow(strlen(d));
if (v)
{
strcpy(v, d);
cSize = strlen(v);
clear();
} else {
cSize = 0;
Grow(strlen(d) + 1, false);
strcpy(v, d);
}
}
void clear()
{
if (v)
{
v[0] = 0;
cSize = 0;
}
v[0] = '\0';
}
int compare (const char *d)
{
if (v) {
if (d) {
return strcmp(v, d);
} else {
return strlen(v);
}
} else {
if (d) {
return strlen(d);
} else {
return 0;
}
}
if (!v)
return strcmp("", d);
else
return strcmp(v, d);
}
//Added this for amxx inclusion
bool empty()
{
if (!v || !cSize)
if (!v)
return true;
if (v[0] == '\0')
return true;
return false;
}
int size()
size_t size()
{
if (!v)
if (v)
return strlen(v);
else
return 0;
return cSize;
}
const char * _fread(FILE *fp)
{
Grow(512);
char * ret = fgets(v, 511, fp);
cSize = strlen(v);
return ret;
}
int find(const char c, int index = 0)
{
if (!v)
size_t len = size();
if (len < 1)
return npos;
if (index >= (int)cSize || index < 0)
if (index >= (int)len || index < 0)
return npos;
unsigned int i = 0;
for (i=index; i<cSize; i++)
for (i=index; i<(int)len; i++)
{
if (v[i] == c)
{
@ -199,10 +181,12 @@ public:
{
if (!v)
return;
unsigned int i = 0;
unsigned int j = 0;
size_t len = strlen(v);
if (cSize == 1)
if (len == 1)
{
if (is_space(v[i]))
{
@ -215,9 +199,9 @@ public:
if (is_space(c0))
{
for (i=0; i<cSize; i++)
for (i=0; i<len; i++)
{
if (!is_space(v[i]) || (is_space(v[i]) && ((unsigned char)i==cSize-1)))
if (!is_space(v[i]) || (is_space(v[i]) && ((unsigned char)i==len-1)))
{
erase(0, i);
break;
@ -225,16 +209,16 @@ public:
}
}
cSize = strlen(v);
len = strlen(v);
if (cSize < 1)
if (len < 1)
{
return;
}
if (is_space(v[cSize-1]))
if (is_space(v[len-1]))
{
for (i=cSize-1; i>=0; i--)
for (i=len-1; i>=0; i--)
{
if (!is_space(v[i])
|| (is_space(v[i]) && i==0))
@ -246,7 +230,7 @@ public:
}
}
if (cSize == 1)
if (len == 1)
{
if (is_space(v[0]))
{
@ -256,21 +240,22 @@ public:
}
}
String & erase(unsigned int start, int num = npos)
void erase(unsigned int start, int num = npos)
{
if (!v)
return (*this);
return;
unsigned int i = 0;
size_t len = size();
//check for bounds
if (num == npos || start+num > cSize-num+1)
num = cSize - start;
if (num == npos || start+num > len-num+1)
num = len - start;
//do the erasing
bool copyflag = false;
for (i=0; i<cSize; i++)
for (i=0; i<len; i++)
{
if (i>=start && i<start+num)
{
if (i+num < cSize)
if (i+num < len)
{
v[i] = v[i+num];
} else {
@ -278,7 +263,7 @@ public:
}
copyflag = true;
} else if (copyflag) {
if (i+num < cSize)
if (i+num < len)
{
v[i] = v[i+num];
} else {
@ -286,38 +271,39 @@ public:
}
}
}
cSize -= num;
v[cSize] = 0;
return (*this);
len -= num;
v[len] = 0;
}
String substr(unsigned int index, int num = npos)
{
if (!v)
{
String b("");
return b;
}
String ns;
if (index >= cSize || !v)
size_t len = size();
if (index >= len || !v)
return ns;
if (num == npos)
{
num = cSize - index;
} else if (index+num >= cSize) {
num = cSize - index;
num = len - index;
} else if (index+num >= len) {
num = len - index;
}
unsigned int i = 0, j=0;
char *s = new char[cSize+1];
unsigned int nslen = num + 2;
ns.Grow(nslen);
for (i=index; i<index+num; i++)
{
s[j++] = v[i];
}
s[j] = 0;
ns.assign(s);
delete [] s;
ns.append(v[i]);
return ns;
}
@ -327,10 +313,11 @@ public:
if (!v)
return;
unsigned int i = 0;
for (i=0; i<cSize; i++)
size_t len = strlen(v);
for (i=0; i<len; i++)
{
if (v[i] >= 65 && v[i] <= 90)
v[i] |= 32;
v[i] &= ~(1<<5);
}
}
@ -349,7 +336,7 @@ public:
char operator [] (unsigned int index)
{
if (index > cSize)
if (index > size() || !v)
{
return -1;
} else {
@ -359,7 +346,7 @@ public:
int at(int a)
{
if (a < 0 || a >= (int)cSize)
if (a < 0 || a >= (int)size() || !v)
return -1;
return v[a];
@ -367,7 +354,7 @@ public:
bool at(int at, char c)
{
if (at < 0 || at >= (int)cSize)
if (at < 0 || at >= (int)size() || !v)
return false;
v[at] = c;
@ -376,27 +363,23 @@ public:
}
private:
void Grow(unsigned int d)
void Grow(unsigned int d, bool copy=true)
{
if (d<1)
if (d <= a_size)
return;
if (d > mSize)
{
mSize = d + 16; // allocate a buffer
char *t = new char[d+1];
if (v) {
strcpy(t, v);
t[cSize] = 0;
delete [] v;
}
v = t;
mSize = d;
}
char *n = new char[d + 1];
if (copy && v)
strcpy(n, v);
if (v)
delete [] v;
else
strcpy(n, "");
v = n;
a_size = d + 1;
}
char *v;
unsigned int mSize;
unsigned int cSize;
unsigned int a_size;
public:
static const int npos = -1;
};