Annotation of libwww/Library/src/HTAnchor.c, revision 1.26
1.14 frystyk 1: /* HTAnchor.c
2: ** HYPERTEXT "ANCHOR" OBJECT
1.1 timbl 3: **
1.22 frystyk 4: ** (c) COPYRIGHT MIT 1995.
1.14 frystyk 5: ** Please first read the full copyright statement in the file COPYRIGH.
6: **
7: ** An anchor represents a region of a hypertext document which is
8: ** linked to another anchor in the same or a different document.
1.1 timbl 9: **
10: ** History
11: ** Nov 1990 Written in Objective-C for the NeXT browser (TBL)
12: ** 24-Oct-1991 (JFG), written in C, browser-independant
13: ** 21-Nov-1991 (JFG), first complete version
1.17 frystyk 14: ** 3-May-1995 (HF), Added a lot of methods and other stuff
1.1 timbl 15: */
16:
1.16 frystyk 17: /* Library include files */
18: #include "tcp.h"
19: #include "HTUtils.h"
20: #include "HTString.h"
1.7 luotonen 21: #include "HTFormat.h"
1.1 timbl 22: #include "HTParse.h"
1.24 frystyk 23: #include "HTMethod.h"
1.16 frystyk 24: #include "HTFWrite.h" /* for cache stuff */
1.11 frystyk 25: #include "HTAnchor.h" /* Implemented here */
26:
27: #define HASH_SIZE 101 /* Arbitrary prime. Memory/speed tradeoff */
1.1 timbl 28:
29: typedef struct _HyperDoc Hyperdoc;
1.16 frystyk 30: #ifdef VMS
1.1 timbl 31: struct _HyperDoc {
1.16 frystyk 32: int junk; /* VMS cannot handle pointers to undefined structs */
1.1 timbl 33: };
34: #endif
35:
36: PRIVATE HTList **adult_table=0; /* Point to table of lists of all parents */
37:
1.17 frystyk 38: /* ------------------------------------------------------------------------- */
39: /* Creation Methods */
40: /* ------------------------------------------------------------------------- */
41:
42: /*
1.1 timbl 43: ** Do not use "new" by itself outside this module. In order to enforce
44: ** consistency, we insist that you furnish more information about the
45: ** anchor you are creating : use newWithParent or newWithAddress.
46: */
1.16 frystyk 47: PRIVATE HTParentAnchor * HTParentAnchor_new NOARGS
1.1 timbl 48: {
1.16 frystyk 49: HTParentAnchor *newAnchor =
50: (HTParentAnchor *) calloc(1, sizeof (HTParentAnchor));
51: newAnchor->parent = newAnchor;
1.17 frystyk 52: newAnchor->content_type = WWW_UNKNOWN;
1.24 frystyk 53: newAnchor->mainLink.method = METHOD_INVALID;
1.16 frystyk 54: return newAnchor;
1.1 timbl 55: }
56:
1.16 frystyk 57:
58: PRIVATE HTChildAnchor * HTChildAnchor_new NOARGS
1.1 timbl 59: {
1.16 frystyk 60: return (HTChildAnchor *) calloc (1, sizeof (HTChildAnchor));
1.1 timbl 61: }
62:
63:
1.17 frystyk 64: /* Create new or find old child anchor
65: ** -----------------------------------
1.1 timbl 66: **
1.3 timbl 67: ** Me one is for a new anchor being edited into an existing
1.17 frystyk 68: ** document. The parent anchor must already exist. All
69: ** children without tags (no NAME attribut) points to the same NULL
70: ** child.
1.1 timbl 71: */
1.17 frystyk 72: PUBLIC HTChildAnchor * HTAnchor_findChild ARGS2 (HTParentAnchor *, parent,
73: CONST char *,tag)
1.1 timbl 74: {
1.17 frystyk 75: HTChildAnchor *child;
76: HTList *kids;
77:
78: if (!parent) {
79: if (ANCH_TRACE)
80: fprintf(TDEST, "Find Child.. called with NULL parent.\n");
81: return NULL;
82: }
1.1 timbl 83:
1.17 frystyk 84: /* First search list of children to see if tag is already there */
85: if ((kids = parent->children)) {
86: if (tag && *tag) { /* TBL */
87: while ((child = (HTChildAnchor *) HTList_nextObject(kids))) {
1.19 frystyk 88: if (child->tag && !strcasecomp(child->tag, tag)) {
1.17 frystyk 89: if (ANCH_TRACE)
90: fprintf (TDEST,
91: "Find Child.. %p of parent %p with name `%s' already exists.\n",
92: (void *) child, (void *) parent, tag);
93: return child;
94: }
1.1 timbl 95: }
96: }
1.17 frystyk 97: } else /* Create new list of children */
98: parent->children = HTList_new ();
99:
100: /* Did't find it so we need to create a new one */
101: child = HTChildAnchor_new();
102: HTList_addObject(parent->children, child);
103: child->parent = parent;
104: StrAllocCopy(child->tag, tag);
105: if (ANCH_TRACE)
106: fprintf(TDEST,"Find Child.. New Anchor %p named `%s' is child of %p\n",
107: (void *) child, tag ? tag : (CONST char *) "", (void *)parent);
108: return child;
1.1 timbl 109: }
110:
111:
112: /* Create new or find old named anchor
113: ** -----------------------------------
114: **
1.3 timbl 115: ** Me one is for a reference which is found in a document, and might
1.1 timbl 116: ** not be already loaded.
117: ** Note: You are not guaranteed a new anchor -- you might get an old one,
118: ** like with fonts.
119: */
1.16 frystyk 120: PUBLIC HTAnchor * HTAnchor_findAddress ARGS1 (CONST char *, address)
1.1 timbl 121: {
1.16 frystyk 122: char *tag = HTParse (address, "", PARSE_ANCHOR); /* Any tags? */
123: char *newaddr=NULL;
1.1 timbl 124:
1.17 frystyk 125: StrAllocCopy(newaddr, address); /* Get our own copy */
1.16 frystyk 126: if (!HTImProxy)
1.19 frystyk 127: newaddr = HTSimplify(&newaddr); /* Proxy has already simplified */
1.16 frystyk 128:
129: /* If the address represents a sub-anchor, we recursively load its parent,
130: then we create a child anchor within that document. */
131: if (*tag) {
132: char *docAddress = HTParse(newaddr, "", PARSE_ACCESS | PARSE_HOST |
133: PARSE_PATH | PARSE_PUNCTUATION);
134: HTParentAnchor * foundParent =
135: (HTParentAnchor *) HTAnchor_findAddress (docAddress);
136: HTChildAnchor * foundAnchor = HTAnchor_findChild (foundParent, tag);
137: free (docAddress);
138: free (tag);
1.19 frystyk 139: free (newaddr);
1.16 frystyk 140: return (HTAnchor *) foundAnchor;
141: } else { /* Else check whether we have this node */
142: int hash;
143: CONST char *p;
144: HTList * adults;
145: HTList *grownups;
146: HTParentAnchor * foundAnchor;
147: free (tag);
148:
149: /* Select list from hash table */
150: for(p=newaddr, hash=0; *p; p++)
151: hash = (int) ((hash * 3 + (*(unsigned char*)p)) % HASH_SIZE);
152: if (!adult_table)
153: adult_table = (HTList**) calloc(HASH_SIZE, sizeof(HTList*));
154: if (!adult_table[hash]) adult_table[hash] = HTList_new();
155: adults = adult_table[hash];
156:
157: /* Search list for anchor */
158: grownups = adults;
159: while ((foundAnchor = (HTParentAnchor *) HTList_nextObject(grownups))){
1.17 frystyk 160: if (!strcasecomp(foundAnchor->address, newaddr)) {
1.16 frystyk 161: if (ANCH_TRACE)
1.17 frystyk 162: fprintf(TDEST, "Find Parent. %p with address `%s' already exists.\n",
1.16 frystyk 163: (void*) foundAnchor, newaddr);
1.19 frystyk 164: free(newaddr); /* We already have it */
1.16 frystyk 165: return (HTAnchor *) foundAnchor;
166: }
167: }
168:
169: /* Node not found : create new anchor. */
170: foundAnchor = HTParentAnchor_new();
171: foundAnchor->address = newaddr; /* Remember our copy */
172: HTList_addObject (adults, foundAnchor);
1.17 frystyk 173: if (ANCH_TRACE) fprintf(TDEST, "Find Parent. %p with hash %d and address `%s' created\n", (void*)foundAnchor, hash, newaddr);
1.1 timbl 174: return (HTAnchor *) foundAnchor;
175: }
176: }
177:
1.17 frystyk 178: /* ------------------------------------------------------------------------- */
179: /* Link Methods */
180: /* ------------------------------------------------------------------------- */
181:
182: /* Create or find a child anchor with a possible link
183: ** --------------------------------------------------
184: **
185: ** Create new anchor with a given parent and possibly
186: ** a name, and possibly a link to a _relatively_ named anchor.
187: ** (Code originally in ParseHTML.h)
188: */
189: PUBLIC HTChildAnchor * HTAnchor_findChildAndLink
190: ARGS4(
191: HTParentAnchor *,parent, /* May not be 0 */
192: CONST char *,tag, /* May be "" or 0 */
193: CONST char *,href, /* May be "" or 0 */
194: HTLinkType *,ltype /* May be 0 */
195: )
196: {
197: HTChildAnchor * child = HTAnchor_findChild(parent, tag);
198: if (href && *href) {
199: char * relative_to = HTAnchor_address((HTAnchor *) parent);
200: char * parsed_address = HTParse(href, relative_to, PARSE_ALL);
201: HTAnchor * dest = HTAnchor_findAddress(parsed_address);
1.24 frystyk 202: HTAnchor_link((HTAnchor *) child, dest, ltype, METHOD_INVALID);
1.17 frystyk 203: free(parsed_address);
204: free(relative_to);
205: }
206: return child;
207: }
208:
209: /* Link me Anchor to another given one
210: ** -------------------------------------
211: */
1.24 frystyk 212: PUBLIC BOOL HTAnchor_link ARGS4(HTAnchor *, source,
213: HTAnchor *, destination,
214: HTLinkType *, type,
215: HTMethod, method)
1.17 frystyk 216: {
217: if (!(source && destination))
218: return NO; /* Can't link to/from non-existing anchor */
219: if (ANCH_TRACE)
220: fprintf(TDEST, "Link Anchors anchor %p to anchor %p\n",
221: (void *) source, (void *) destination);
222: if (!source->mainLink.dest) {
223: source->mainLink.dest = destination;
224: source->mainLink.type = type;
1.24 frystyk 225: source->mainLink.method = method;
1.17 frystyk 226: } else {
227: HTLink * newLink = (HTLink *) calloc(1, sizeof (HTLink));
228: if (newLink == NULL) outofmem(__FILE__, "HTAnchor_link");
229: newLink->dest = destination;
230: newLink->type = type;
1.24 frystyk 231: newLink->method = method;
232: if (!source->links)
233: source->links = HTList_new();
1.17 frystyk 234: HTList_addObject (source->links, newLink);
235: }
236: if (!destination->parent->sources)
237: destination->parent->sources = HTList_new ();
238: HTList_addObject (destination->parent->sources, source);
239: return YES;
240: }
241:
242:
1.24 frystyk 243: /*
244: ** Returns the main destination of this anchor
245: */
246: PUBLIC HTAnchor * HTAnchor_followMainLink ARGS1(HTAnchor *, me)
247: {
248: return me ? me->mainLink.dest : NULL;
249: }
250:
251:
252: /*
253: ** Returns the methods registered for the main destination of this
254: ** anchor
1.17 frystyk 255: */
1.24 frystyk 256: PUBLIC HTMethod HTAnchor_mainLinkMethod ARGS1(HTAnchor *, me)
257: {
258: return me ? me->mainLink.method : METHOD_INVALID;
259: }
260:
1.17 frystyk 261:
1.24 frystyk 262: /*
263: ** Moves all link information from one anchor to another.
264: ** This is used in redirection etc.
265: ** Returns YES if OK, else NO
266: */
267: PUBLIC BOOL HTAnchor_moveLinks ARGS2(HTAnchor *, src, HTAnchor *, dest)
1.17 frystyk 268: {
1.24 frystyk 269: if (!src || !dest) return NO;
270: if (ANCH_TRACE)
271: fprintf(TDEST, "Move Links.. from anchor %p to anchor %p\n",
272: (void *) src, (void *) dest);
273:
274: /* Move main link information */
275: dest->mainLink.dest = src->mainLink.dest;
276: dest->mainLink.type = src->mainLink.type;
277: dest->mainLink.method = src->mainLink.method;
1.25 frystyk 278: dest->mainLink.result = src->mainLink.result;
1.24 frystyk 279:
280: src->mainLink.dest = NULL;
281: src->mainLink.type = NULL;
1.25 frystyk 282: src->mainLink.method = METHOD_INVALID;
283: src->mainLink.result = HT_OK;
1.24 frystyk 284:
285: /* Move link information for other links */
1.26 ! frystyk 286: if (dest->links) {
! 287: HTList *cur = dest->links;
! 288: HTLink *pres;
! 289: while ((pres = (HTLink *) HTList_nextObject(cur)))
! 290: free(pres);
1.24 frystyk 291: HTList_delete(dest->links);
1.26 ! frystyk 292: }
1.24 frystyk 293: dest->links = src->links;
294: src->links = NULL;
295: return YES;
1.17 frystyk 296: }
297:
1.24 frystyk 298:
299: /*
300: ** Returns a link with a given link type or NULL if nothing found
301: */
302: PUBLIC HTAnchor * HTAnchor_followTypedLink ARGS2(HTAnchor *, me,
303: HTLinkType *,type)
1.17 frystyk 304: {
1.24 frystyk 305: if (me->mainLink.type == type)
306: return me->mainLink.dest;
307: if (me->links) {
308: HTList *links = me->links;
309: HTLink *link;
310: while ((link = (HTLink *) HTList_nextObject (links)))
311: if (link->type == type)
312: return link->dest;
313: }
314: return NULL; /* No link of me type */
1.17 frystyk 315: }
316:
317:
1.24 frystyk 318: /*
319: ** Is this anchor a destination link of the source anchor?
320: ** Return YES if so, else NO
1.17 frystyk 321: */
1.24 frystyk 322: PUBLIC BOOL HTAnchor_isLink ARGS2(HTAnchor *, src, HTAnchor *, dest)
1.17 frystyk 323: {
1.24 frystyk 324: if (src && dest) {
325: if (src->mainLink.dest == dest)
326: return YES;
327: if (src->links) {
328: HTList *cur = src->links;
329: HTLink *pres;
330: while ((pres = (HTLink *) HTList_nextObject(cur)) != NULL) {
331: if (pres->dest == dest)
332: return YES;
333: }
334: }
335: }
336: return NO;
337: }
338:
1.17 frystyk 339:
1.24 frystyk 340: /*
341: ** Upgrade the link to the main destination and and downgrade the
342: ** current main link to the list
343: */
344: PUBLIC BOOL HTAnchor_makeMainLink ARGS2 (HTAnchor *, me, HTLink *, movingLink)
345: {
346: if (! (me && HTList_removeObject (me->links, movingLink)))
347: return NO;
348: else {
349: /* First push current main link onto top of links list */
350: HTLink *newLink = (HTLink*) malloc (sizeof (HTLink));
351: if (newLink == NULL) outofmem(__FILE__, "HTAnchor_makeMainLink");
352: memcpy (newLink, & me->mainLink, sizeof (HTLink));
353: HTList_addObject (me->links, newLink);
354:
355: /* Now make movingLink the new main link, and free it */
356: memcpy (& me->mainLink, movingLink, sizeof (HTLink));
357: free (movingLink);
358: return YES;
359: }
1.17 frystyk 360: }
361:
362: /* Move an anchor to the head of the list of its siblings
363: ** ------------------------------------------------------
364: **
365: ** This is to ensure that an anchor which might have already existed
366: ** is put in the correct order as we load the document.
367: */
368:
369: PUBLIC void HTAnchor_makeLastChild
370: ARGS1(HTChildAnchor *,me)
371: {
372: if (me->parent != (HTParentAnchor *) me) { /* Make sure it's a child */
373: HTList * siblings = me->parent->children;
374: HTList_removeObject (siblings, me);
375: HTList_addObject (siblings, me);
376: }
377: }
378:
379: /* ------------------------------------------------------------------------- */
380: /* Deletion Methods */
381: /* ------------------------------------------------------------------------- */
1.1 timbl 382:
383: /* Delete an anchor and possibly related things (auto garbage collection)
384: ** --------------------------------------------
385: **
386: ** The anchor is only deleted if the corresponding document is not loaded.
1.10 frystyk 387: ** All outgoing links from parent and children are deleted, and this
388: ** anchor is removed from the sources list of all its targets.
1.1 timbl 389: ** We also try to delete the targets whose documents are not loaded.
390: ** If this anchor's source list is empty, we delete it and its children.
391: */
392:
1.19 frystyk 393: /* Deletes all the memory allocated in a parent anchor and returns the
394: ** hyperdoc
395: */
396: PRIVATE HyperDoc * delete_parent ARGS1(HTParentAnchor *, me)
397: {
398: HyperDoc *doc = me->document;
399:
400: /* Remove link and address information */
1.26 ! frystyk 401: if (me->links) {
! 402: HTList *cur = me->links;
! 403: HTLink *pres;
! 404: while ((pres = (HTLink *) HTList_nextObject(cur)))
! 405: free(pres);
! 406: HTList_delete(me->links);
! 407: }
1.19 frystyk 408: HTList_delete (me->children);
409: HTList_delete (me->sources);
410: FREE(me->physical);
411: FREE(me->address);
412:
413: /* Then remove entity header information (metainformation) */
414: FREE(me->title);
415: FREE(me->derived_from);
416: FREE(me->version);
417: if (me->extra_headers) {
418: HTList *cur = me->extra_headers;
419: char *pres;
420: while ((pres = (char *) HTList_nextObject(cur)))
421: free(pres);
422: HTList_delete(me->extra_headers);
423: }
424:
425: /* @@@ TEMPORARY SOLUTION FOR CACHE - SHOULD BE PERSISTENT */
426: if (me->cacheItems) {
427: HTCacheClear(me->cacheItems);
428: }
429: free(me);
430: return doc;
431: }
432:
433:
434: /* Delete a parent anchor and all its children. If a HyperDoc is found
435: ** then it's returned
436: */
437: PRIVATE HyperDoc *delete_family ARGS1(HTAnchor *, me)
438: {
439: HTParentAnchor *parent = me->parent;
440: if (ANCH_TRACE)
441: fprintf(TDEST, "AnchorDelete Remove parent %p and children\n", parent);
442: if (!me) {
443: if (ANCH_TRACE)
444: fprintf(TDEST, "AnchorDelete No anchor found\n");
445: return NULL;
446: }
447:
448: /* Delete children */
449: if (parent->children) {
450: HTChildAnchor *child;
451: while ((child = (HTChildAnchor *)
452: HTList_removeLastObject(parent->children))) {
453: FREE(child->tag);
1.26 ! frystyk 454: if (child->links) {
! 455: HTList *cur = child->links;
! 456: HTLink *pres;
! 457: while ((pres = (HTLink *) HTList_nextObject(cur)))
! 458: free(pres);
! 459: HTList_delete(child->links);
! 460: }
1.19 frystyk 461: free(child);
462: }
463: }
464: return delete_parent(parent);
465: }
466:
467:
468: /* DELETE ALL ANCHORS
469: ** ------------------
470: ** Deletes all anchors and return a list of all the HyperDocs found.
471: ** It is for the application to delete any HyperDocs.
472: ** Return YES if OK, else NO
473: */
474: PUBLIC BOOL HTAnchor_deleteAll ARGS1(HTList *, documents)
475: {
476: int cnt;
477: HTList *cur;
478: if (!documents)
479: return NO;
480: for (cnt=0; cnt<HASH_SIZE; cnt++) {
481: if ((cur = adult_table[cnt])) {
482: HTParentAnchor *pres;
483: while ((pres = (HTParentAnchor *) HTList_nextObject(cur)) != NULL){
484: HyperDoc *doc = delete_family((HTAnchor *) pres);
485: if (doc) HTList_addObject(documents, (void *) doc);
486: }
487: }
488: HTList_delete(adult_table[cnt]);
489: }
1.21 frystyk 490: FREE(adult_table);
1.19 frystyk 491: return YES;
492: }
493:
494:
1.1 timbl 495: PRIVATE void deleteLinks
1.3 timbl 496: ARGS1 (HTAnchor *,me)
1.1 timbl 497: {
1.3 timbl 498: if (! me)
1.1 timbl 499: return;
500:
501: /* Recursively try to delete target anchors */
1.3 timbl 502: if (me->mainLink.dest) {
503: HTParentAnchor *parent = me->mainLink.dest->parent;
504: HTList_removeObject (parent->sources, me);
1.1 timbl 505: if (! parent->document) /* Test here to avoid calling overhead */
506: HTAnchor_delete (parent);
507: }
1.3 timbl 508: if (me->links) { /* Extra destinations */
1.1 timbl 509: HTLink *target;
1.12 frystyk 510: while ((target = (HTLink *) HTList_removeLastObject (me->links))) {
1.1 timbl 511: HTParentAnchor *parent = target->dest->parent;
1.3 timbl 512: HTList_removeObject (parent->sources, me);
1.1 timbl 513: if (! parent->document) /* Test here to avoid calling overhead */
514: HTAnchor_delete (parent);
515: }
516: }
517: }
518:
519: PUBLIC BOOL HTAnchor_delete
1.3 timbl 520: ARGS1 (HTParentAnchor *,me)
1.1 timbl 521: {
522: HTChildAnchor *child;
523:
524: /* Don't delete if document is loaded */
1.3 timbl 525: if (me->document)
1.1 timbl 526: return NO;
527:
528: /* Recursively try to delete target anchors */
1.3 timbl 529: deleteLinks ((HTAnchor *) me);
1.1 timbl 530:
1.3 timbl 531: if (! HTList_isEmpty (me->sources)) { /* There are still incoming links */
1.1 timbl 532: /* Delete all outgoing links from children, if any */
1.3 timbl 533: HTList *kids = me->children;
1.12 frystyk 534: while ((child = (HTChildAnchor *) HTList_nextObject (kids)))
1.1 timbl 535: deleteLinks ((HTAnchor *) child);
536: return NO; /* Parent not deleted */
537: }
538:
539: /* No more incoming links : kill everything */
540: /* First, recursively delete children */
1.12 frystyk 541: while ((child = (HTChildAnchor *) HTList_removeLastObject (me->children))) {
1.1 timbl 542: deleteLinks ((HTAnchor *) child);
543: free (child->tag);
544: free (child);
545: }
546:
547: /* Now kill myself */
1.19 frystyk 548: delete_parent(me);
1.1 timbl 549: return YES; /* Parent deleted */
550: }
551:
1.17 frystyk 552: /* ------------------------------------------------------------------------- */
553: /* Data Access Methods */
554: /* ------------------------------------------------------------------------- */
1.1 timbl 555:
1.17 frystyk 556: PUBLIC HTParentAnchor * HTAnchor_parent ARGS1 (HTAnchor *,me)
1.1 timbl 557: {
1.17 frystyk 558: return me ? me->parent : NULL;
1.1 timbl 559: }
560:
1.17 frystyk 561: PUBLIC void HTAnchor_setDocument ARGS2 (HTParentAnchor *, me, HyperDoc *,doc)
1.1 timbl 562: {
1.17 frystyk 563: if (me)
564: me->document = doc;
1.1 timbl 565: }
566:
1.17 frystyk 567: PUBLIC HyperDoc * HTAnchor_document ARGS1 (HTParentAnchor *,me)
1.1 timbl 568: {
1.17 frystyk 569: return me ? me->document : NULL;
1.1 timbl 570: }
571:
572:
1.10 frystyk 573: #if 0
1.17 frystyk 574: /* We might want to use this when we have a link editing application */
1.10 frystyk 575: PUBLIC void HTAnchor_setAddress
1.3 timbl 576: ARGS2 (HTAnchor *,me, char *,addr)
1.1 timbl 577: {
1.3 timbl 578: if (me)
579: StrAllocCopy (me->parent->address, addr);
1.1 timbl 580: }
1.10 frystyk 581: #endif
582:
1.17 frystyk 583: PUBLIC char * HTAnchor_address ARGS1 (HTAnchor *, me)
1.1 timbl 584: {
1.17 frystyk 585: char *addr = NULL;
586: if (me) {
587: if (((HTParentAnchor *) me == me->parent) ||
588: !((HTChildAnchor *) me)->tag) { /* it's an adult or no tag */
589: StrAllocCopy (addr, me->parent->address);
590: }
591: else { /* it's a named child */
592: addr = (char *) malloc (2 + strlen (me->parent->address)
593: + strlen (((HTChildAnchor *) me)->tag));
594: if (addr == NULL) outofmem(__FILE__, "HTAnchor_address");
595: sprintf (addr, "%s#%s", me->parent->address,
596: ((HTChildAnchor *) me)->tag);
597: }
1.1 timbl 598: }
1.17 frystyk 599: return addr;
1.1 timbl 600: }
601:
1.17 frystyk 602: PUBLIC BOOL HTAnchor_hasChildren ARGS1 (HTParentAnchor *,me)
603: {
604: return me ? ! HTList_isEmpty(me->children) : NO;
605: }
1.1 timbl 606:
1.17 frystyk 607: PUBLIC void HTAnchor_clearIndex ARGS1 (HTParentAnchor *,me)
608: {
609: if (me)
610: me->isIndex = NO;
611: }
1.1 timbl 612:
1.17 frystyk 613: PUBLIC void HTAnchor_setIndex ARGS1 (HTParentAnchor *,me)
1.1 timbl 614: {
1.3 timbl 615: if (me)
1.17 frystyk 616: me->isIndex = YES;
617: }
618:
619: PUBLIC BOOL HTAnchor_isIndex ARGS1 (HTParentAnchor *,me)
620: {
621: return me ? me->isIndex : NO;
1.1 timbl 622: }
623:
1.17 frystyk 624: /* Protocol
625: ** --------
626: */
627:
628: PUBLIC void * HTAnchor_protocol ARGS1(HTParentAnchor *, me)
1.1 timbl 629: {
1.17 frystyk 630: return me->protocol;
1.1 timbl 631: }
632:
1.17 frystyk 633: PUBLIC void HTAnchor_setProtocol ARGS2(HTParentAnchor *, me,
634: void*, protocol)
1.9 frystyk 635: {
1.17 frystyk 636: me->protocol = protocol;
1.9 frystyk 637: }
1.1 timbl 638:
1.17 frystyk 639: /* Physical Address
640: ** ----------------
641: */
642:
643: PUBLIC char * HTAnchor_physical ARGS1(HTParentAnchor *, me)
1.1 timbl 644: {
1.17 frystyk 645: return me->physical;
1.1 timbl 646: }
647:
1.17 frystyk 648: PUBLIC void HTAnchor_setPhysical ARGS2(HTParentAnchor *, me,
649: char *, physical)
1.1 timbl 650: {
1.17 frystyk 651: if (!me || !physical) {
652: if (ANCH_TRACE)
653: fprintf(TDEST, "HTAnchor.... setPhysical, called with null argument\n");
654: return;
655: }
656: StrAllocCopy(me->physical, physical);
1.1 timbl 657: }
658:
1.17 frystyk 659: /* ------------------------------------------------------------------------- */
660: /* Entity Header Information */
661: /* ------------------------------------------------------------------------- */
662:
663: /*
664: ** Media Types (Content-Type)
665: */
666: PUBLIC HTFormat HTAnchor_format ARGS1(HTParentAnchor *,me)
667: {
668: return me ? me->content_type : NULL;
669: }
1.1 timbl 670:
1.17 frystyk 671: PUBLIC void HTAnchor_setFormat ARGS2(HTParentAnchor *,me, HTFormat, form)
1.1 timbl 672: {
1.17 frystyk 673: if (me) me->content_type = form;
1.1 timbl 674: }
675:
1.17 frystyk 676: /*
677: ** Charset parameter to Content-Type
1.1 timbl 678: */
1.17 frystyk 679: PUBLIC HTCharset HTAnchor_charset ARGS1(HTParentAnchor *, me)
1.1 timbl 680: {
1.17 frystyk 681: return me ? me->charset : NULL;
1.1 timbl 682: }
683:
1.17 frystyk 684: PUBLIC void HTAnchor_setCharset ARGS2(HTParentAnchor *,me, HTCharset, charset)
1.1 timbl 685: {
1.17 frystyk 686: if (me) me->charset = charset;
1.1 timbl 687: }
688:
1.17 frystyk 689: /*
1.20 frystyk 690: ** Level parameter to Content-Type
691: */
692: PUBLIC HTLevel HTAnchor_level ARGS1(HTParentAnchor *, me)
693: {
694: return me ? me->level : NULL;
695: }
696:
697: PUBLIC void HTAnchor_setLevel ARGS2(HTParentAnchor *,me, HTLevel, level)
698: {
699: if (me) me->level = level;
700: }
701:
702: /*
1.17 frystyk 703: ** Content Encoding
704: */
705: PUBLIC HTEncoding HTAnchor_encoding ARGS1(HTParentAnchor *,me)
1.1 timbl 706: {
1.17 frystyk 707: return me ? me->content_encoding : NULL;
1.1 timbl 708: }
709:
1.17 frystyk 710: PUBLIC void HTAnchor_setEncoding ARGS2(HTParentAnchor *,me,
711: HTEncoding, encoding)
712: {
713: if (me) me->content_encoding = encoding;
714: }
715:
716: /*
1.21 frystyk 717: ** Content Language
718: ** @@@ SHOULD BE A LIST @@@
719: */
720: PUBLIC HTLanguage HTAnchor_language ARGS1(HTParentAnchor *,me)
721: {
722: return me ? me->content_language : NULL;
723: }
724:
725: PUBLIC void HTAnchor_setLanguage ARGS2(HTParentAnchor *,me,
726: HTLanguage, language)
727: {
728: if (me) me->content_language = language;
729: }
730:
731: /*
1.17 frystyk 732: ** Content Transfer Encoding
1.1 timbl 733: */
1.17 frystyk 734: PUBLIC HTCte HTAnchor_cte ARGS1(HTParentAnchor *,me)
735: {
736: return me ? me->cte : NULL;
737: }
1.1 timbl 738:
1.17 frystyk 739: PUBLIC void HTAnchor_setCte ARGS2(HTParentAnchor *,me, HTCte, cte)
740: {
741: if (me) me->cte = cte;
742: }
743:
744: /*
745: ** Content Length
746: */
747: PUBLIC long int HTAnchor_length ARGS1(HTParentAnchor *,me)
1.1 timbl 748: {
1.17 frystyk 749: return me ? me->content_length : -1;
1.1 timbl 750: }
751:
1.17 frystyk 752: PUBLIC void HTAnchor_setLength ARGS2(HTParentAnchor *,me, long int, length)
753: {
754: if (me) me->content_length = length;
755: }
1.1 timbl 756:
1.17 frystyk 757: /*
758: ** Allowed methods (Allow)
1.1 timbl 759: */
1.17 frystyk 760: PUBLIC int HTAnchor_methods ARGS1(HTParentAnchor *, me)
761: {
762: return me ? me->methods : 0;
763: }
1.1 timbl 764:
1.17 frystyk 765: PUBLIC void HTAnchor_setMethods ARGS2(HTParentAnchor *,me, int, methodset)
1.1 timbl 766: {
1.17 frystyk 767: if (me) me->methods = methodset;
1.1 timbl 768: }
769:
1.17 frystyk 770: PUBLIC void HTAnchor_appendMethods ARGS2(HTParentAnchor *,me, int, methodset)
1.1 timbl 771: {
1.17 frystyk 772: if (me) me->methods += methodset;
1.1 timbl 773: }
774:
1.17 frystyk 775: /*
776: ** Title
1.2 timbl 777: */
1.17 frystyk 778: PUBLIC CONST char * HTAnchor_title ARGS1 (HTParentAnchor *,me)
1.1 timbl 779: {
1.17 frystyk 780: return me ? me->title : NULL;
781: }
1.1 timbl 782:
1.17 frystyk 783: PUBLIC void HTAnchor_setTitle ARGS2(HTParentAnchor *,me, CONST char *, title)
784: {
785: if (me && title) StrAllocCopy(me->title, title);
1.2 timbl 786: }
787:
1.17 frystyk 788: PUBLIC void HTAnchor_appendTitle ARGS2(HTParentAnchor *,me, CONST char *,title)
789: {
790: if (me && title) StrAllocCat(me->title, title);
791: }
1.2 timbl 792:
1.17 frystyk 793: /*
794: ** Version
1.2 timbl 795: */
1.17 frystyk 796: PUBLIC CONST char * HTAnchor_version ARGS1 (HTParentAnchor *,me)
797: {
798: return me ? me->version : NULL;
799: }
1.2 timbl 800:
1.17 frystyk 801: PUBLIC void HTAnchor_setVersion ARGS2(HTParentAnchor *, me,
802: CONST char *, version)
1.2 timbl 803: {
1.17 frystyk 804: if (me && version) StrAllocCopy(me->version, version);
1.2 timbl 805: }
806:
1.17 frystyk 807: /*
808: ** Derived from
1.2 timbl 809: */
1.17 frystyk 810: PUBLIC CONST char * HTAnchor_derived ARGS1 (HTParentAnchor *,me)
811: {
812: return me ? me->derived_from : NULL;
813: }
814:
815: PUBLIC void HTAnchor_setDerived ARGS2(HTParentAnchor *, me,
816: CONST char *, derived_from)
817: {
818: if (me && derived_from) StrAllocCopy(me->derived_from, derived_from);
819: }
1.2 timbl 820:
1.17 frystyk 821: /*
822: ** Extra Header List of unknown headers
823: */
824: PUBLIC HTList * HTAnchor_Extra ARGS1 (HTParentAnchor *, me)
1.2 timbl 825: {
1.17 frystyk 826: return me ? me->extra_headers : NULL;
1.2 timbl 827: }
828:
1.17 frystyk 829: PUBLIC void HTAnchor_addExtra ARGS2(HTParentAnchor *, me,
830: CONST char * , header)
1.2 timbl 831: {
1.17 frystyk 832: if (me) {
1.18 frystyk 833: char *newhead = NULL;
834: StrAllocCopy(newhead, header);
1.17 frystyk 835: if (!me->extra_headers)
836: me->extra_headers = HTList_new();
1.18 frystyk 837: HTList_addObject(me->extra_headers, (void *) newhead);
1.17 frystyk 838: }
1.2 timbl 839: }
840:
1.23 frystyk 841: /*
842: ** Has header been parsed?
1.2 timbl 843: */
1.17 frystyk 844: PUBLIC BOOL HTAnchor_headerParsed ARGS1(HTParentAnchor *, me)
1.2 timbl 845: {
1.17 frystyk 846: return (me ? me->header_parsed : NO);
1.23 frystyk 847: }
848:
849: PUBLIC void HTAnchor_setHeaderParsed ARGS1(HTParentAnchor *, me)
850: {
851: if (me) me->header_parsed = YES;
1.2 timbl 852: }
853:
1.17 frystyk 854: /* Clear Header Information
855: ** ------------------------
856: */
857: PUBLIC void HTAnchor_clearHeader ARGS1(HTParentAnchor *, me)
1.2 timbl 858: {
1.17 frystyk 859: me->methods = METHOD_INVALID;
860: me->content_encoding = NULL;
1.21 frystyk 861: #ifdef NEW_CODE
862: /* WAIT UNTIL WE HANDLE LANGUAGE AS A LIST */
1.17 frystyk 863: if (me->content_language) {
864: HTList_delete(me->content_language);
865: me->content_language = HTList_new();
1.9 frystyk 866: }
1.21 frystyk 867: #else
868: me->content_language = NULL;
869: #endif
1.17 frystyk 870: me->content_length = -1; /* Invalid */
871: me->cte = NULL;
872: me->content_type = WWW_UNKNOWN;
873: me->charset = NULL;
1.20 frystyk 874: me->level = NULL;
1.17 frystyk 875:
876: me->date = (time_t) 0;
877: me->expires = (time_t) 0;
878: me->last_modified = (time_t) 0;
879:
1.18 frystyk 880: FREE(me->derived_from);
881: FREE(me->version);
882:
883: if (me->extra_headers) {
884: HTList *cur = me->extra_headers;
885: char *pres;
886: while ((pres = (char *) HTList_nextObject(cur)))
887: free(pres);
888: HTList_delete(me->extra_headers);
889: me->extra_headers = NULL;
890: }
1.17 frystyk 891: me->header_parsed = NO; /* All cleared */
1.1 timbl 892: }
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to HTAnchor.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / libwww / Library / src