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e302ceefde
This is a (mostly) unmodified version of lib/libnet broken up into functional areas It should be binary compatible with the lib created by lib/libnet but is now 10 libs. The only substantial things changed in the version is the include files
119 lines
4.7 KiB
C
119 lines
4.7 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*** pagescan.h ***************************************************/
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/* description: page scanning */
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/* - not dependent on the crawler */
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/********************************************************************
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$Revision: 1.1 $
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$Date: 1998/04/30 20:53:32 $
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*********************************************************************/
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#ifndef pagescan_h___
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#define pagescan_h___
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#include "prtypes.h"
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#include "ntypes.h" /* for MWContext */
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#include "net.h" /* for URLStruct */
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/* any content length over this number is assumed to be a bogus content length field. This
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is sometimes used to keep a connection open. If we encounter a content length this size or
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greater we won't automatically reject it because it's larger than the remaining cache size.
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*/
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#define BOGUS_CONTENT_LENGTH ((uint32)100000000)
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typedef char **CRAWL_ItemList;
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typedef char *CRAWL_Item;
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/* Most APIs require a CRAWL_PageInfo reference, which is created in crawl_makePage. */
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typedef struct _CRAWL_PageInfoStruct *CRAWL_PageInfo;
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/* Prototype describing callback function for when a page is done. */
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typedef void
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(*CRAWL_ScanPageStatusFunc)(void *data, CRAWL_PageInfo pageInfo);
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/* Creates a page object which will be freed by the completion or abort stream routines (the
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URL_Struct is freed by the exit routine). Returns NULL if there is not enough memory.
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Parameters:
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siteURL - url of the site (used to make absolute url). Note this may be different than the
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site that the page is on (in case we are crawling), in which case the pageURL should be absolute.
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pageURL - url of the page.
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cache - external cache. If non-null, the url will be cached here.
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*/
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CRAWL_PageInfo crawl_makePage(char *siteURL, char *pageURL, ExtCacheDBInfo *db);
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/* Deallocates the list structures but not the list content (which should be done by the consumer).
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This is normally called internally by the completion and abort stream routines.
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*/
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void crawl_destroyPage(CRAWL_PageInfo page);
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/* Requests the url from netlib and begins scanning. This function returns after the request
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to netlib is issued. The callback function is called when page scanning is complete or aborts.
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It is not guaranteed to be called in an out of memory situation.
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*/
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void crawl_scanPage(CRAWL_PageInfo page, MWContext *context, CRAWL_ScanPageStatusFunc func, void *data);
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/****************************************************************************************/
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/* accessors */
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/****************************************************************************************/
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/* returns true if the page does not have a META tag that specifies that the page should
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not be indexed.
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*/
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PRBool crawl_pageCanBeIndexed(CRAWL_PageInfo pageInfo);
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char* crawl_getPageURL(CRAWL_PageInfo pageInfo);
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time_t crawl_getPageLastModified(CRAWL_PageInfo pageInfo);
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URL_Struct* crawl_getPageURL_Struct(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageLinks(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageLinkCount(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageImages(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageImageCount(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageResources(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageResourceCount(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageRequiredResources(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageRequiredResourceCount(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageFrames(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageFrameCount(CRAWL_PageInfo pageInfo);
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CRAWL_ItemList crawl_getPageLayers(CRAWL_PageInfo pageInfo);
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uint16 crawl_getPageLayerCount(CRAWL_PageInfo pageInfo);
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/****************************************************************************************/
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/* stream function */
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/****************************************************************************************/
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PUBLIC NET_StreamClass*
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CRAWL_CrawlerConverter(int format_out,
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void *data_object,
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URL_Struct *URL_s,
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MWContext *window_id);
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#endif
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