本文整理汇总了Golang中golang.org/x/text/internal/colltab.Iter.Discard方法的典型用法代码示例。如果您正苦于以下问题：Golang Iter.Discard方法的具体用法？Golang Iter.Discard怎么用？Golang Iter.Discard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golang.org/x/text/internal/colltab.Iter的用法示例。
在下文中一共展示了Iter.Discard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Golang代码示例。
示例1: searchOnce
// searchOnce tries to match the pattern s.p at the text position i. s.buf needs
// to be filled with collation elements of the first segment, where n is the
// number of source bytes consumed for this segment. It will return the end
// position of the match or -1.
func (p *Pattern) searchOnce(it *colltab.Iter) (end int) {
var pLevel [4]int
m := p.m
for {
k := 0
for ; k < it.N; k++ {
if v := it.Elems[k].Primary(); v > 0 {
if w, ok := p.next(&pLevel[0], colltab.Elem.Primary); !ok || v != w {
return -1
}
}
if !m.ignoreDiacritics {
if v := it.Elems[k].Secondary(); v > 0 {
if w, ok := p.next(&pLevel[1], colltab.Elem.Secondary); !ok || v != w {
return -1
}
}
} else if it.Elems[k].Primary() == 0 {
// We ignore tertiary values of collation elements of the
// secondary level.
continue
}
// TODO: distinguish between case and width. This will be easier to
// implement after we moved to the new collation implementation.
if !m.ignoreWidth && !m.ignoreCase {
if v := it.Elems[k].Tertiary(); v > 0 {
if w, ok := p.next(&pLevel[2], tertiary); !ok || int(v) != w {
return -1
}
}
}
// TODO: check quaternary weight
}
it.Discard() // Remove the current segment from the buffer.
// Check for completion.
switch {
// If any of these cases match, we are not at the end.
case pLevel[0] < len(p.ce):
case !m.ignoreDiacritics && pLevel[1] < len(p.ce):
case !(m.ignoreWidth || m.ignoreCase) && pLevel[2] < len(p.ce):
default:
// At this point, both the segment and pattern has matched fully.
// However, the segment may still be have trailing modifiers.
// This can be verified by another call to next.
end = it.End()
if it.Next() && it.Elems[0].Primary() == 0 {
if !m.ignoreDiacritics {
return -1
}
end = it.End()
}
return end
}
// Fill the buffer with the next batch of collation elements.
if !it.Next() {
return -1
}
}
}