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HLMetaModOfficial/sourcehook/sh_string.h
Scott Ehlert bbb371c8d7 Added find_last_of() to SourceHook::String for searching the string backwards
--HG--
extra : convert_revision : svn%3Ac2935e3e-5518-0410-8daf-afa5dab7d4e3/trunk%40383
2007-05-03 02:22:03 +00:00

402 lines
5.2 KiB
C++
Executable File

/* ======== SourceMM ========
* Copyright (C) 2004-2007 Metamod:Source Development Team
* No warranties of any kind
*
* License: zlib/libpng
*
* Author(s): David "BAILOPAN" Anderson
* ============================
*/
/* AMX Mod X
*
* by the AMX Mod X Development Team
*/
#ifndef _INCLUDE_CSTRING_H
#define _INCLUDE_CSTRING_H
#include <string.h>
#include <stdio.h>
namespace SourceHook
{
class String
{
public:
String()
{
v = NULL;
a_size = 0;
//assign("");
}
~String()
{
if (v)
delete [] v;
}
String(const char *src)
{
v = NULL;
a_size = 0;
assign(src);
}
String(const String &src)
{
v = NULL;
a_size = 0;
assign(src.c_str());
}
bool operator ==(const String &other)
{
return (compare(other.c_str()) == 0);
}
bool operator ==(const char *other)
{
return (compare(other) == 0);
}
const char *c_str() { return v?v:""; }
const char *c_str() const { return v?v:""; }
void append(const char *t)
{
Grow(size() + strlen(t) + 1);
strcat(v, t);
}
void append(const char c)
{
size_t len = size();
Grow(len + 2);
v[len] = c;
v[len + 1] = '\0';
}
void append(String &d)
{
append(d.c_str());
}
void assign(const String &src)
{
assign(src.c_str());
}
void assign(const char *d)
{
if (!d)
{
clear();
} else {
Grow(strlen(d) + 1, false);
strcpy(v, d);
}
}
void clear()
{
if (v)
v[0] = '\0';
}
int compare (const char *d) const
{
if (!v)
return strcmp("", d);
else
return strcmp(v, d);
}
//Added this for amxx inclusion
bool empty() const
{
if (!v)
return true;
if (v[0] == '\0')
return true;
return false;
}
size_t size() const
{
if (v)
return strlen(v);
else
return 0;
}
int find(const char c, int index = 0) const
{
int len = static_cast<int>(size());
if (len < 1)
return npos;
if (index >= len || index < 0)
return npos;
int i = 0;
for (i=index; i<len; i++)
{
if (v[i] == c)
{
return i;
}
}
return npos;
}
int find_last_of(const char c, int index = npos) const
{
int len = static_cast<int>(size());
if (len < 1)
return npos;
if (index >= len || index < npos)
return npos;
int i;
if (index == npos)
i = len - 1;
else
i = index;
for (; i>=0; i--)
{
if (v[i] == c)
{
return i;
}
}
return npos;
}
bool is_space(int c) const
{
if (c == '\f' || c == '\n' ||
c == '\t' || c == '\r' ||
c == '\v' || c == ' ')
{
return true;
}
return false;
}
void trim()
{
if (!v)
return;
unsigned int i = 0;
unsigned int j = 0;
size_t len = strlen(v);
if (len == 1)
{
if (is_space(v[i]))
{
clear();
return;
}
}
unsigned char c0 = v[0];
if (is_space(c0))
{
for (i=0; i<len; i++)
{
if (!is_space(v[i]) || (is_space(v[i]) && ((unsigned char)i==len-1)))
{
erase(0, i);
break;
}
}
}
len = strlen(v);
if (len < 1)
{
return;
}
if (is_space(v[len-1]))
{
for (i=len-1; i>=0; i--)
{
if (!is_space(v[i])
|| (is_space(v[i]) && i==0))
{
erase(i+1, j);
break;
}
j++;
}
}
if (len == 1)
{
if (is_space(v[0]))
{
clear();
return;
}
}
}
void erase(unsigned int start, int num = npos)
{
if (!v)
return;
unsigned int i = 0;
size_t len = size();
//check for bounds
if (num == npos || start+num > len-start)
num = len - start;
//do the erasing
bool copyflag = false;
for (i=0; i<len; i++)
{
if (i>=start && i<start+num)
{
if (i+num < len)
{
v[i] = v[i+num];
} else {
v[i] = 0;
}
copyflag = true;
} else if (copyflag) {
if (i+num < len)
{
v[i] = v[i+num];
} else {
v[i] = 0;
}
}
}
len -= num;
v[len] = 0;
}
String substr(unsigned int index, int num = npos) const
{
if (!v)
{
String b("");
return b;
}
String ns;
size_t len = size();
if (index >= len || !v)
return ns;
if (num == npos)
{
num = len - index;
} else if (index+num >= len) {
num = len - index;
}
unsigned int i = 0;
unsigned int nslen = num + 2;
ns.Grow(nslen);
for (i=index; i<index+num; i++)
ns.append(v[i]);
return ns;
}
void toLower()
{
if (!v)
return;
unsigned int i = 0;
size_t len = strlen(v);
for (i=0; i<len; i++)
{
if (v[i] >= 65 && v[i] <= 90)
v[i] &= ~(1<<5);
}
}
String & operator = (const String &src)
{
assign(src);
return *this;
}
String & operator = (const char *src)
{
assign(src);
return *this;
}
char operator [] (unsigned int index) const
{
if (index > size() || !v)
{
return -1;
} else {
return v[index];
}
}
int at(int a) const
{
if (a < 0 || a >= (int)size() || !v)
return -1;
return v[a];
}
bool at(int at, char c)
{
if (at < 0 || at >= (int)size() || !v)
return false;
v[at] = c;
return true;
}
private:
void Grow(unsigned int d, bool copy=true)
{
if (d <= a_size)
return;
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 a_size;
public:
static const int npos = -1;
};
}; //NAMESPACE
#endif //_INCLUDE_CSTRING_H