org.archive.modules.extractor.Hop

最新推荐文章于 2025-12-05 14:19:22 发布

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#运维 #javascript #ViewUI

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本文深入探讨了网页中导航链接、预置链接、嵌入链接、推测链接、推荐链接和推断链接的区别与作用，解析了每种链接类型的特征与应用场景。

/**
* The kind of "hop" from one URI to another. Each hop type can be
* represented by a single character; strings of these characters can
* appear in logs. Eg, "LLLX" means that a URI was three normal links from
* a seed, and then one speculative link.
*
* @author pjack
*/

/** Navigation links, like A/@HREF. */
NAVLINK('L'),

/** Implied prerequisite links, like dns or robots. */
PREREQ('P'),

/** Embedded links necessary to render the page, like IMG/@SRC. */
EMBED('E'),

/**
* Speculative/aggressively extracted links, perhaps embed or nav,
* as in javascript.
*/
SPECULATIVE('X'),

/**
* Referral/redirect links, like header 'Location:' on a 301/302 response.
*/
REFER('R'),

/**
* Inferred/implied links -- not necessarily literally in the source
* material, but deduced by convention.
*/
INFERRED('I');