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This is a simple application that allows you to download a file from a web page (Visual C++ project files).
cpp code
#include "masterstring.h"

// string copy
void stringcopy(char* input,char* output)
{
strcpy(input,output);
}

// string attach
void stringattach(char* input,char* output)
{
strcat(input,output);
}

// left copy
void leftcopy(char* input,char* output,int pos)
{
int index = 0;
for(int i = 0; i < pos; i++)
{
output[index] = input[i];
index++;
}
output[index] = 0;
}
// right copy
void rightcopy(char* input,char* output,int pos)
{
int index = 0;
int len = strlen(input);
for(int i = pos; i < len; i++)
{
output[index] = input[i];
index++;
}
output[index] = 0;

}
// mid copy
void midcopy(char* input,char* output,int start_pos, int stop_pos)
{
int index = 0;
for(int i = start_pos; i < stop_pos; i++)
{
output[index] = input[i];
index++;
}

output[index] = 0;
}

// trim the space
void trimspace(char* buffer)
{
int len;
len = strlen(buffer);
char* ptemp;
ptemp = new char[len+1];
strcpy(ptemp,buffer);

int index = 0;
for(int z = 0; z < len; z++)
{
if(ptemp[z] != ' ')
{
buffer[index] = ptemp[z];
index++;
}
}
buffer[index] = 0;

delete [] ptemp;
}

int findstr(char* body,char* search)
{
int len = strlen(body);
int len2 = strlen(search); // search len

for(int i = 0; i < len; i++)
{
if(body[i] == search[0])
{
bool ichk = true;

for(int z = 0; z < len2; z++)
{
if(body[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i;
}
}
}

return -1; // failure
}

int ifindstr(int startx,char* body,char* search)
{
int len = strlen(body);
int len2 = strlen(search); // search len

for(int i = startx+1; i < len; i++)
{
if(body[i] == search[0])
{
bool ichk = true;

for(int z = 0; z < len2; z++)
{
if(body[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i;
}
}
}

return -1; // failure
}

int findstrb(char* body,char* search)
{
int len = strlen(body);
int len2 = strlen(search);

for(int i = len; i > 0; i--)
{
if(body[i] == search[0])
{
bool ichk = true;
for(int z = 0; z < len2; z++)
{
if(body[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i; // found it
}
}

}
return -1; // failure
}
// find inside backwards string loop
int ifindstrb(int startx, char* body,char* search)
{
int len = strlen(body);
int len2 = strlen(search);

for(int i = startx-1; i > 0; i--)
{
if(body[i] == search[0])
{
bool ichk = true;
for(int z = 0; z < len2; z++)
{
if(body[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i; // found it
}
}

}
return -1; // failure
}
// forward search string (controled range)
int fsearchstr(int start,int stop,char* buff,char* search)
{
int len = strlen(buff);
int len2 = strlen(search);

for(int i = start; i < stop; i++)
{
if(buff[i] == search[0])
{
bool ichk = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i; // found it
}
}
}

return -1; // failure
}

// backward search string (controled range)
int bsearchstr(int start,int stop,char* buff,char* search)
{
int len = strlen(buff);
int len2 = strlen(search);

for(int i = start; i > stop; i--)
{
if(buff[i] == search[0])
{
bool ichk = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{
}
else
{
ichk = false;
}
}

if(ichk == true)
{
return i; // found it;
}
}
}

return -1;// failure
}
// getting length
int getlen(char* buff)
{
return strlen(buff);// use strlen :)
}
// lower case
void lcase(char* buffer)
{
int len = getlen(buffer);

for(int i = 0; i < len; i++)
{
buffer[i] = tolower(buffer[i]);
}
}
// upercase
void ucase(char* buffer)
{
int len = getlen(buffer);

for(int i = 0; i < len; i++)
{
buffer[i] = toupper(buffer[i]);
}
}
// uppercase letter
int ucasel(char c)
{
return tolower(c);
}

// lowercase letter
int lcasel(char c)
{
return tolower(c);
}

// find string location algorithims
bool findstrloc(char* buff,char* search,MasStrDataLoc* dloc)
{
int len = strlen(buff);
int len2 = strlen(search);
int* f;
int f_i = 0;
f = new int[len+1];// big just in case

for(int i = 0; i < len; i++)
{
if(buff[i] == search[0])
{
bool ic = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{

}
else
{
ic = false;
}
}

if(ic == true)
{
f[f_i] = i;
f_i++;
}
}
}

dloc->create_array(f_i);
dloc->setstr(buff);
dloc->setsearchstr(search);
for(int p = 0; p < f_i; p++)
{
dloc->dindex[p] = f[p];
}
delete [] f;

if(f_i != 0)
{
dloc->setstatus(true);
return true; // we got some locations
}
else
{
dloc->setstatus(false);
return false; // not found
}
}
// find string location forward search
bool findstrlocf(char* buff,char* search,MasStrDataLoc* dloc)
{
return findstrloc(buff,search,dloc);
}
// find string location backwards search
bool findstrlocb(char* buff,char* search,MasStrDataLoc* dloc)
{
int len = strlen(buff);
int len2 = strlen(search);
int* f;
int f_i = 0;
f = new int[len+1];// big just in case

for(int i = len; i > 0; i--)
{
if(buff[i] == search[0])
{
bool ic = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{

}
else
{
ic = false;
}
}

if(ic == true)
{
f[f_i] = i;
f_i++;
}
}
}

dloc->create_array(f_i);
dloc->setstr(buff);
dloc->setsearchstr(search);
for(int p = 0; p < f_i; p++)
{
dloc->dindex[p] = f[p];
}
delete [] f;

if(f_i != 0)
{
dloc->setstatus(true);
return true; // we got some locations
}
else
{
dloc->setstatus(false);
return false; // not found
}
}

// string ( range based ) manipulation algorithims
bool searchrange(char* buff,char* search,MasStrRange* mrang)
{
int len;
int len2;
len = strlen(buff);
len2 = strlen(search);

for(int i = 0; i < len; i++)
{
if(buff[i] == search[0])
{
bool ik = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{
}
else
{
ik = false;
}
}

if(ik == true)
{
mrang->SetRange(i,i+len2);
return true;
}
}
}
mrang->SetRange(0,0);
return false;
}
// string range manipluation ex (i)
bool isearchrange(int startx, char* buff,char* search,MasStrRange* mrang)
{
int len;
int len2;
len = strlen(buff);
len2 = strlen(search);

for(int i = startx+1; i < len; i++)
{
if(buff[i] == search[0])
{
bool ik = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{
}
else
{
ik = false;
}
}

if(ik == true)
{
mrang->SetRange(i,i+len2);
return true;
}
}
}
mrang->SetRange(0,0);
return false;
}

// find the occourance amount of a specific string
int findoccourance(char* buff,char* search)
{
int len;
int len2;
len = strlen(buff);
len2 = strlen(search);

int occ = 0;

for(int i = 0; i < len; i++)
{
if(buff[i] == search[0])
{
bool ic = true;

for(int z = 0; z < len2; z++)
{
if(buff[i+z] == search[z])
{
}
else
{
ic = false;
}
}

if(ic == true)
{
occ++;
}

}
}

if(occ == 0)
{

return -1; // failure

}
else
{
return occ;
}
}

// string range manipulation copy left range
void copyleftrange(char* input,char* output,MasStrRange* mrang,int hi_lo)
{
if(hi_lo == MRANGE_HI)
{
leftcopy(input,output,mrang->GetRangeHI());
}
else
{
leftcopy(input,output,mrang->GetRangeLO());
}
}
// string range manipulation copy right range
void copyrightrange(char* input,char* output,MasStrRange* mrang,int hi_lo)
{
if(hi_lo == MRANGE_HI)
{
rightcopy(input,output,mrang->GetRangeHI());
}
else
{
rightcopy(input,output,mrang->GetRangeLO());
}
}
// string range manipulation mid copy
void copymidrange(char* input,char* output,MasStrRange* mrang, int hi_lo,MasStrRange* mrangx, int hi_lox)
{
int cx;
int cy;

if(hi_lo == MRANGE_HI)
{
cx = mrang->GetRangeHI();
}
else
{
cx = mrang->GetRangeLO();
}

if(hi_lox == MRANGE_HI)
{
cy = mrangx->GetRangeHI();
}
else
{
cy =mrangx->GetRangeLO();
}

midcopy(input,output,cx,cy);
}

// create a list from string data
void createstrlist(char* buff,char* search,MasStrList* list)
{
int occ;
occ = findoccourance(buff,search);

if(occ == -1)
{
return; // failure
}
list->create(occ);

int occ_i = 0;

MasStrDataLoc dloc;

if(findstrloc(buff,search,&dloc))
{
int pre_pos = 0;

for(int z = 0; z < dloc.getmaxpoint(); z++)
{
int cur = 0;
cur = dloc.dindex[z];
charwrap cwrap(buff);
cwrap.strclearn();
midcopy(buff,cwrap.get(),pre_pos,cur);
list->strings[occ_i].set(cwrap.get());
occ_i++;
pre_pos = cur;
}

charwrap cwrapx(buff,true);
rightcopy(buff,cwrapx.get(),pre_pos);
list->strings[occ_i].set(cwrapx.get());
occ_i++;
}

return;
}
// conversion of integers
void convertinteger(int integer,char* buff,int base)
{
itoa(integer,buff,base);
}
// conversion of strings
int convertstring(char* buff)
{
return atoi(buff);
}
// could this be a hexidecimal digit?
bool ishexc(char c)
{
c = lcasel(c);
switch(c)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
return true;
break;
}
return false;
}
// does this string contain a non-hexidecimal digit?
bool ishex(char* buff)
{
int len;
len = strlen(buff);

for(int i = 0; i < len; i++)
{
if(ishexc(buff[i]) == false)
{
return false;
}
}
return true;
}

// hexidecimal digit to integer value
int hextointc(char c)
{
if(ishexc(c) == false)
{
return -1; // failure, not a hex digit
}

c = lcasel(c);

switch(c)
{
case '0':
return 0;
break;
case '1':
return 1;
break;
case '2':
return 2;
break;
case '3':
return 3;
break;
case '4':
return 4;
break;
case '5':
return 5;
break;
case '6':
return 6;
break;
case '7':
return 7;
break;
case '8':
return 8;
break;
case '9':
return 9;
break;
case 'a':
return 10;
break;
case 'b':
return 11;
case 'c':
return 12;
case 'd':
return 13;
case 'e':
return 14;
case 'f':
return 15;
}

return -1; // failure ? never would get here
}

// convert hex value into a integer
int hextoint(char* buff)
{
int rt = 0;

if(buff[1] == 0)
{
return hextointc(buff[0]);
}

int len = strlen(buff);
int* hexval;
hexval = new int[len+1];
int hexvali = 0;

for(int i = 0; i < len; i++)
{
hexval[hexvali] = hextointc(buff[i]);
hexvali++;
}

int index = 0;

for(int z = hexvali-1; z >= 0; z--)
{
int cur;
if(index == 0)
{
cur = hexval[z];
index = 16;
}
else
{

cur = hexval[z] * index;
index = index * 16;
}

rt = rt + cur;
}

delete [] hexval;

return rt;
}


void tripcharup(char* buff, int up)
{
int len;
len = strlen(buff);

for(int i = 0; i < len; i++)
{
if(buff[i] != 0)
{

buff[i] = buff[i] + up;

}
}
}

void tripchardown(char* buff,int up)
{
int len;
len = strlen(buff);

for(int i = 0; i < len; i++)
{
if(buff[i] != 0)
{

buff[i] = buff[i] - up;

}
}
}
// replace single instance of a character
void replacechar(char* buff,char findchr,char replace)
{
int len;
len = strlen(buff);

for(int z = 0; z < len; z++)
{
if(buff[z] == findchr)
{
buff[z] = replace;
}
}
}

void rmvinst(char* buff,char* findstr,char* replacex,char* output)
{

int xt = ifindstr(NOPREV,buff,findstr);


char* temp;
temp = new char[strlen(buff)+1];
stringcopy(temp,buff);

char* ltemp;
char* rtemp;

ltemp = new char[strlen(buff)+1];
rtemp = new char[strlen(buff)+1];

leftcopy(buff,ltemp,xt);
rightcopy(buff,rtemp,xt+strlen(findstr));


cout << "\n#: " << ltemp << replacex << rtemp << endl;


strcpy(output,ltemp);
strcat(output,replacex);
strcat(output,rtemp);

delete [] temp;
delete [] ltemp;
delete [] rtemp;
}


// replace string
void replacestr(char* buff,char* findstr,char* replacex,char* output)
{
int xt;
xt = ifindstr(0,buff,findstr);

if(xt == -1)
{
return; // failure no string to replace
}

char* ptemp;
char* outtemp;
ptemp = new char[strlen(buff) + 500];
outtemp = new char[strlen(buff) + 500];
stringcopy(ptemp,buff);

while(1)
{
int xr;
xr = ifindstr(0,ptemp,findstr);
if(xr == -1)
{
break;
}
else
{
rmvinst(ptemp,findstr,replacex,outtemp);
stringcopy(ptemp,outtemp);
}
}

stringcopy(output,ptemp);

delete [] ptemp;
delete [] outtemp;

}

// random char
char randomchar(int max)
{
int x;
x = rand()%max;
char c;
c = x;
return c;
}
// random char + up
char randomchar(int max,int up)
{
int x;
x = rand()%max+up;
char c;
c = x;
return c;
}
// random string
void randomstr(char* buff,int max, int size)
{
for(int i = 0; i < size; i++)
{
if(rand()%2)
{
buff[i] = randomchar(max);
}
else
{
buff[i] = randomchar(max,rand()%10);
}
}
}
// remove char
void removechar(char* in,char* out,char c)
{
int len;
len = strlen(in);
int ic = 0;
for(int i = 0; i < len; i++)
{
if(in[i] != c)
{
out[ic] = in[i];
ic++;
}
}
out[ic] = 0;
}

// find single character in string
int findchar(char* str,char c)
{
int len = strlen(str);
for(int i = 0; i < len; i++)
{
if(str[i] == c)
{
return i;
}
}

return -1; // failure
}
// find char ex (inside)
int ifindchar(int start,char* str,char c)
{
int len = strlen(str);
for(int i = start+1; i < len; i++)
{
if(str[i] == c)
{
return i;
}
}

return -1;
}
// find single char backward
int findcharb(char* str,char c)
{
int len;
len = strlen(str);
for(int i = len; i > 0; i--)
{
if(str[i] == c)
{
return i;
}
}

return -1;
}
// find single char backward
int ifindcharb(int start,char* str,char c)
{
int len;
len = strlen(str);
for(int i = start-1; i > 0; i--)
{
if(str[i] == c)
{
return i;
}
}
return -1;
}

int findcharcf(char* str,int start,int stop,char c)
{
for(int i = start; i < stop; i++)
{
if(str[i] == c)
{
return i;
}
}

return -1; // failure
}
int findcharcb(char* str,int start,int stop,char c)
{
for(int i = stop; i > start; i--)
{
if(str[i] == c)
{
return i;
}
}
return -1;// failure
}
// remove instances of string
void removestr(char* input,char* output,char* string)
{

char* buff = input;
char* findstr = string;

int xt;
xt = ifindstr(NULLPOS,buff,findstr);

if(xt == -1)
{
return; // failure no string to replace
}

char* ptemp;
char* outtemp;
ptemp = new char[strlen(buff) + 500];
outtemp = new char[strlen(buff) + 500];
stringcopy(ptemp,buff);

while(1)
{
int xr;
xr = ifindstr(0,ptemp,findstr);
if(xr == -1)
{
break;
}
else
{
rmvstrx(ptemp,findstr,outtemp);
stringcopy(ptemp,outtemp);
}
}

stringcopy(output,ptemp);

delete [] ptemp;
delete [] outtemp;

}

void rmvstrx(char* buff,char* output,char* string)
{
int xt = ifindstr(NOPREV,buff,string);

char* temp;
temp = new char[strlen(buff)+1];
stringcopy(temp,buff);

char* ltemp;
char* rtemp;

ltemp = new char[strlen(buff)+1];
rtemp = new char[strlen(buff)+1];

leftcopy(buff,ltemp,xt);
rightcopy(buff,rtemp,xt+strlen(string));

strcpy(output,ltemp);
strcat(output,rtemp);

delete [] temp;
delete [] ltemp;
delete [] rtemp;
}

void strsavefile(char* filename,char* buff)
{
ofstream fout(filename);

fout << buff;

fout.close();
}

int getfilestringlength(char* filename)
{
int count = 0;
ifstream fin(filename);
if(fin)
{
char ch;
while(fin.get(ch))
{
count++;
}

fin.close();
return count;

} else { return -1; } // failure

return -1;
}

bool strloadfile(char* file,char* output)
{
int count = 0;
ifstream fin(file);
if(fin)
{
char ch;
int str_i = 0;
while(fin.get(ch))
{
output[str_i] = ch;
str_i++;
}

output[str_i] = 0;
return true;
}
else
{
return false;
}

return false;
}

void reversestring(char* input,char* output)
{
int len;
len = strlen(input);
int fcount = 0;

for(int i = len; i > 0; i--)
{
output[fcount] = input[i];
fcount++;
}

output[fcount] = 0;
}

bool isstrvalid(char* string)
{
int len = strlen(string);
for(int i = 0; i < len; i++)
{
if(string[i] == 0)
{
return true; // true it is a null terminated string!
}
}

return false;
}

// Save Master INI
bool SaveMasterINI(char* filename,MasterINI* mini)
{
ofstream fout(filename,ios::binary);

if(fout)
{


fout.write((char*)&mini,sizeof(mini));

fout.close();

return true;

}
fout.close();
return false;
}
// Load master INI
bool LoadMasterINI(char* filename,MasterINI* mini)
{
ifstream fin(filename,ios::binary);

if(fin)
{
fin.read((char*)&mini,sizeof(mini));
}

fin.close();
return false;
}

// string compare (case sensitive)
bool mstrcmp(char* buff1,char* buff2)
{
int len;
int len2;
len = strlen(buff1);
len2 = strlen(buff2);

if(len != len2)
{
return false; // not equal length
}

for(int i = 0; i < len; i++)
{
if(buff1[i] != buff2[i])
{
return false;
}
}

return true;
}

// string compare (not case sensitive)
bool mstrcmpx(char* buff1,char* buff2)
{
int len;
int len2;
len = strlen(buff1);
len2 = strlen(buff2);

if(len != len2)
{
return false; // not equal length
}

for(int i = 0; i < len; i++)
{
if(tolower(buff1[i]) != tolower(buff2[i]))
{
return false;
}
}

return true;
}

bool insidestr(char* buff1,char* buff2)
{
int chk;
chk = findstr(buff1,buff2);

if(chk == -1)
{
return false;
}

return true;
}

bool insidestrx(char* buff1,char* buff2)
{
char* pbuff1;
char* pbuff2;

pbuff1 = new char[strlen(buff1)+1];
pbuff2 = new char[strlen(buff2)+1];

stringcopy(pbuff1,buff1);
stringcopy(pbuff2,buff2);

lcase(pbuff1);
lcase(pbuff2);

int chk;
chk = findstr(pbuff1,buff2);

delete [] pbuff1;
delete [] pbuff2;
pbuff1 = 0;
pbuff2 = 0;

if(chk == -1)
{
return false;
}

return true;
}
// string seperation from 2 points
void strsep(char* str, char* sleft, int go_left, char* sright, int go_right)
{
leftcopy(str,sleft,go_left);
rightcopy(str,sright,go_right);
}
void strsetnull(char* str,int pos)
{
str[pos] = 0;
}

void rmvnullset(char* str)
{
int len;
len = strlen(str);
for(int i = 0; i < len; i++)
{
if(str[i] == 0)
{
str[i] = ' ';
}
}
}

int getnullpos(char* str)
{
int len = strlen(str);
for(int i = 0; i < len; i++)
{
if(str[i] == 0)
{
return i;
}
}

return -1; // failure to find 0
}
// trim commented characters ()
void trimcom(char* str, char* output,char start_c,char stop_c)
{
int len = strlen(str);
int index = 0;

bool iadd = true;

for(int z = 0; z < len; z++)
{
if(str[z] == start_c)
{
iadd = false;
}

if(str[z] == stop_c)
{
iadd = true;
}

if(iadd == true)
{
output[index] = str[z];
index++;
}
}

output[index] = 0;
}

// trim comments to an assembly language source file
void asmtrim(char* input,char* output)
{
trimcom(input,output,';','\n');
}

// count the number of lines exisitng within the source
int countlines(char* buffer)
{
return findoccourance(buffer,"\n");
}
// get the first letter thats not a space
int getfirstletter(char* buff)
{
int len = strlen(buff);

for(int i = 0; i < len; i++)
{
if(buff[i] != ' ')
{
return i;
}
}
return -1; // failure! no letters
}





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