本文整理汇总了C++中string_buffer::begin方法的典型用法代码示例。如果您正苦于以下问题：C++ string_buffer::begin方法的具体用法？C++ string_buffer::begin怎么用？C++ string_buffer::begin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类string_buffer的用法示例。
在下文中一共展示了string_buffer::begin方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: DBG
const string_ref *
hstcpcli::get_next_row()
{
if (num_flds == 0) {
DBG(fprintf(stderr, "GNR NF 0\n"));
return 0;
}
if (flds.size() < num_flds) {
flds.resize(num_flds);
}
char *start = readbuf.begin() + cur_row_offset;
char *const finish = readbuf.begin() + response_end_offset - 1;
if (start >= finish) { /* start[0] == nl */
DBG(fprintf(stderr, "GNR FIN 0 %p %p\n", start, finish));
return 0;
}
for (size_t i = 0; i < num_flds; ++i) {
skip_one(start, finish);
char *const fld_begin = start;
read_token(start, finish);
char *const fld_end = start;
char *wp = fld_begin;
if (is_null_expression(fld_begin, fld_end)) {
/* null */
flds[i] = string_ref();
} else {
unescape_string(wp, fld_begin, fld_end); /* in-place */
flds[i] = string_ref(fld_begin, wp);
}
}
cur_row_offset = start - readbuf.begin();
return &flds[0];
}示例2:
void
ngram_search::xor_block(string_buffer& sb, unsigned int val)
{
for (string_buffer::iterator i = sb.begin(); i != sb.end(); ++i) {
(*i) ^= val;
}
}示例3: set_error
int
hstcpcli::request_send()
{
if (error_code < 0) {
return error_code;
}
clear_error();
if (fd.get() < 0) {
close();
return set_error(-1, "write: closed");
}
if (num_req_bufd == 0 || num_req_sent > 0 || num_req_rcvd > 0) {
close();
return set_error(-1, "request_send: protocol out of sync");
}
const size_t wrlen = writebuf.size();
const ssize_t r = send(fd.get(), writebuf.begin(), wrlen, MSG_NOSIGNAL);
if (r <= 0) {
close();
return set_error(-1, r < 0 ? "write: failed" : "write: eof");
}
writebuf.erase_front(r);
if (static_cast<size_t>(r) != wrlen) {
close();
return set_error(-1, "write: incomplete");
}
num_req_sent = num_req_bufd;
num_req_bufd = 0;
DBG(fprintf(stderr, "REQSEND 0\n"));
return 0;
}示例4: set_error
int
hstcpcli::get_result(hstresult& result)
{
/*
readbuf.swap(result.readbuf);
*/
char *const wp = result.readbuf.make_space(response_end_offset);
memcpy(wp, readbuf.begin(), response_end_offset);
result.readbuf.space_wrote(response_end_offset);
result.response_end_offset = response_end_offset;
result.num_flds = num_flds;
result.cur_row_offset = cur_row_offset;
if (result.flds.max_element < num_flds)
{
if (allocate_dynamic(&result.flds, num_flds))
return set_error(-1, "out of memory");
}
result.flds.elements = num_flds;
return 0;
}