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/*
* Worldvisions Weaver Software:
* Copyright (C) 1997-2002 Net Integration Technologies, Inc.
*
* Specializations of the generic buffering API.
*/
#include "wvbuf.h"
/***** Specialization for raw memory buffers *****/
void WvBufBase<unsigned char>::putstr(WvStringParm str)
{
put((const unsigned char*)str.cstr(), str.len());
}
WvString WvBufBase<unsigned char>::getstr()
{
/* Copy the contents into the string.
* We used to just return a reference to those bytes, but
* that required modifying the buffer to append a null
* terminator, which does not work with read-only buffers.
* This method is also somewhat safer if a little slower.
*/
WvString result;
size_t len = used();
result.setsize(len + 1);
char *str = result.edit();
move(str, len);
str[len] = '\0';
return result;
}
WvString WvBufBase<unsigned char>::getstr(size_t len)
{
WvString result;
result.setsize(len + 1);
char *str = result.edit();
move(str, len);
str[len] = '\0';
return result;
}
size_t WvBufBase<unsigned char>::strchr(int ch)
{
size_t offset = 0;
size_t avail = used();
while (offset < avail)
{
size_t len = optpeekable(offset);
const unsigned char *str = peek(offset, len);
for (size_t i = 0; i < len; ++i)
if (str[i] == ch)
return offset + i + 1;
offset += len;
}
return 0;
}
size_t WvBufBase<unsigned char>::_match(const void *bytelist,
size_t numbytes, bool reverse)
{
size_t offset = 0;
size_t avail = used();
const unsigned char *chlist = (const unsigned char*)bytelist;
while (offset < avail)
{
size_t len = optpeekable(offset);
const unsigned char *str = peek(offset, len);
for (size_t i = 0; i < len; ++i)
{
int ch = str[i];
size_t c;
for (c = 0; c < numbytes; ++c)
if (chlist[c] == ch)
break;
if (reverse)
{
if (c == numbytes)
continue;
}
else
{
if (c != numbytes)
continue;
}
return offset + i;
}
offset += len;
}
return reverse ? offset : 0;
}
/***** WvConstStringBuffer *****/
WvConstStringBuffer::WvConstStringBuffer(WvStringParm _str)
{
reset(_str);
}
WvConstStringBuffer::WvConstStringBuffer()
{
}
void WvConstStringBuffer::reset(WvStringParm _str)
{
xstr = _str;
WvConstInPlaceBuf::reset(xstr.cstr(), xstr.len());
}
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