本文整理汇总了C++中Words::isAlnum方法的典型用法代码示例。如果您正苦于以下问题：C++ Words::isAlnum方法的具体用法？C++ Words::isAlnum怎么用？C++ Words::isAlnum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Words的用法示例。
在下文中一共展示了Words::isAlnum方法的1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: setTitle
//.........这里部分代码省略.........
// do not go too far
int32_t max = i + 200;
// find the corresponding back tag for it
for ( ; i < NW && i < max ; i++ ) {
// hey we got it, BUT we got no alnum word first
// so the thing was empty, so loop back to subloop
if ( (tids[i] & BACKBITCOMP) == tid &&
(tids[i] & BACKBIT ) &&
start == -1 ) {
goto subloop;
}
// if we hit another title-ish tag, loop back up
if ( (tids[i] & BACKBITCOMP) == TAG_TITLE || (tids[i] & BACKBITCOMP) == TAG_A ) {
// if no alnum text, restart at the top
if ( start == -1 ) {
goto subloop;
}
// otherwise, break out and see if title works
break;
}
// if we hit a breaking tag...
if ( isBreakingTagId ( tids[i] & BACKBITCOMP ) &&
// do not consider <span> tags breaking for
// our purposes. i saw a <h1><span> setup before.
tids[i] != TAG_SPAN ) {
break;
}
// skip if not alnum word
if ( ! words->isAlnum(i) ) {
continue;
}
// if we hit an alnum word, break out
if ( start == -1 ) {
start = i;
}
}
// if no start was found, must have had a 0 score in there
if ( start == -1 ) {
continue;
}
// if we exhausted the doc, we are done
if ( i >= NW ) {
break;
}
// skip if way too big!
if ( i >= max ) {
continue;
}
// if was too long do not consider a title
if ( i - start > 300 ) {
continue;
}
// . skip if too many bytes
// . this does not include the length of word #i, but #(i-1)
if ( words->getStringSize ( start , i ) > 1000 ) {