Annotation of Amaya/amaya/AHTURLTools.c, revision 1.159
1.7 cvs 1: /*
2: *
1.133 vatton 3: * (c) COPYRIGHT MIT and INRIA, 1996-2002
1.7 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.9 cvs 7:
1.10 cvs 8: /*
9: * AHTURLTools.c: contains all the functions for testing, manipulating,
1.25 cvs 10: * and normalizing URLs. It also contains a local copy of the libWWW
11: * URL parsing functions.
1.10 cvs 12: *
13: * Authors: J. Kahan, I. Vatton
1.106 cvs 14: * R. Guetari: Windows.
1.10 cvs 15: *
16: */
1.7 cvs 17:
1.15 cvs 18: #define THOT_EXPORT extern
1.3 cvs 19: #include "amaya.h"
20:
1.8 cvs 21: #include "init_f.h"
22: #include "AHTURLTools_f.h"
1.100 kahan 23: #include "query_f.h"
1.8 cvs 24:
1.24 cvs 25: #define MAX_PRINT_URL_LENGTH 50
1.106 cvs 26: typedef struct _HTURI
27: {
28: char *access; /* Now known as "scheme" */
29: char *host;
30: char *absolute;
31: char *relative;
32: char *fragment;
1.29 cvs 33: } HTURI;
1.24 cvs 34:
1.152 kahan 35: #ifdef _WINDOWS
36: #define TMPDIR "TMP"
1.155 cvs 37: #define stat _stat
38: #define uint64_t unsigned __int64
39: #define getpid _getpid
1.152 kahan 40: #else
41: #define TMPDIR "TMPDIR"
42: #endif /* _WINDOWS */
1.28 cvs 43:
44: /*----------------------------------------------------------------------
45: ConvertToLowerCase
46: Converts a string to lowercase.
47: ----------------------------------------------------------------------*/
1.124 vatton 48: void ConvertToLowerCase (char *string)
1.28 cvs 49: {
50: int i;
1.93 cvs 51:
1.28 cvs 52: if (!string)
53: return;
54:
1.106 cvs 55: for (i = 0; string[i] != EOS; i++)
1.123 vatton 56: string[i] = tolower (string[i]);
1.28 cvs 57: }
1.22 cvs 58:
1.8 cvs 59: /*----------------------------------------------------------------------
1.75 cvs 60: EscapeChar
61: writes the equivalent escape code of a char in a string
62: ----------------------------------------------------------------------*/
1.109 cvs 63: void EscapeChar (char *string, char c)
1.75 cvs 64: {
1.109 cvs 65: unsigned int i;
66:
67: i = (unsigned char) c & 0xFF;
68: sprintf (string, "%02x", i);
1.75 cvs 69: }
70:
71: /*----------------------------------------------------------------------
1.96 cvs 72: UnEscapeChar
73: writes the equivalent hex code to a %xx coded char
74: ----------------------------------------------------------------------*/
1.109 cvs 75: static char UnEscapeChar (char c)
1.96 cvs 76: {
1.106 cvs 77: return c >= '0' && c <= '9' ? c - '0'
78: : c >= 'A' && c <= 'F' ? c - 'A' + 10
79: : c - 'a' + 10; /* accept small letters just in case */
1.96 cvs 80: }
81:
82: /*----------------------------------------------------------------------
1.75 cvs 83: EscapeURL
84: Takes a URL and escapes all protected chars into
85: %xx sequences. Also, removes any leading white spaces
86: Returns either NULL or a new buffer, which must be freed by the caller
87: ----------------------------------------------------------------------*/
1.106 cvs 88: char *EscapeURL (const char *url)
89: {
90: char *buffer;
91: int buffer_len;
92: int buffer_free_mem;
93: char *ptr;
94: int new_chars;
1.75 cvs 95: void *status;
96:
97: if (url && *url)
98: {
1.106 cvs 99: buffer_free_mem = strlen (url) + 20;
100: buffer = TtaGetMemory (buffer_free_mem + 1);
1.107 kahan 101: ptr = (char *) url;
1.75 cvs 102: buffer_len = 0;
103:
104: while (*ptr)
105: {
106: switch (*ptr)
107: {
108: /* put here below all the chars that need to
109: be escaped into %xx */
1.81 cvs 110: case 0x20: /* space */
1.143 vatton 111: /*case 0x26:*/ /* & */
1.140 kahan 112: case 0x27: /* antislash */
1.75 cvs 113: new_chars = 3;
114: break;
115:
116: default:
1.122 kahan 117: if ((unsigned char )*ptr > 127)
118: new_chars = 3;
119: else
120: new_chars = 1;
1.75 cvs 121: break;
122: }
123:
124: /* see if we need extra room in the buffer */
125: if (new_chars > buffer_free_mem)
126: {
1.76 cvs 127: buffer_free_mem = 20;
1.106 cvs 128: status = TtaRealloc (buffer, sizeof (char)
1.75 cvs 129: * (buffer_len + buffer_free_mem + 1));
130: if (status)
1.114 cvs 131: buffer = (char *) status;
1.106 cvs 132: else
133: {
134: /* @@ maybe we should do some other behavior here, like
135: freeing the buffer and return a void thing */
136: buffer[buffer_len] = EOS;
137: break;
138: }
1.75 cvs 139: }
140: /* escape the char */
1.140 kahan 141: if (new_chars == 3)
142: {
1.106 cvs 143: buffer[buffer_len] = '%';
1.75 cvs 144: EscapeChar (&buffer[buffer_len+1], *ptr);
145: }
1.140 kahan 146: else
147: buffer[buffer_len] = *ptr;
148:
149: /* update the status */
150: buffer_len += new_chars;
151: buffer_free_mem -= new_chars;
152: /* examine the next char */
153: ptr++;
154: }
155: buffer[buffer_len] = EOS;
156: }
157: else
158: buffer = NULL;
159:
160: return (buffer);
161: }
162:
163: /*----------------------------------------------------------------------
164: EscapeXML
165: Takes a string and escapes all protected chars into entity
166: sequences.
167: Returns either NULL or a new buffer, which must be freed by the caller
168: ----------------------------------------------------------------------*/
169: char *EscapeXML (const char *string)
170: {
171: char *buffer;
172: int buffer_len;
173: int buffer_free_mem;
174: char *ptr;
175: char *entity = NULL;
176: int new_chars;
177: void *status;
178:
179: if (string && *string)
180: {
181: buffer_free_mem = strlen (string) + 20;
182: buffer = TtaGetMemory (buffer_free_mem + 1);
183: ptr = (char *) string;
184: buffer_len = 0;
185:
186: while (*ptr)
187: {
188: switch (*ptr)
189: {
190: case 0x26: /* & */
191: entity = "&";
1.141 kahan 192: new_chars = sizeof (entity) - 1;
193: break;
1.140 kahan 194:
1.141 kahan 195: case '<': /* < */
1.140 kahan 196: entity = "<";
1.141 kahan 197: new_chars = sizeof (entity) - 1;
1.140 kahan 198: break;
199:
1.141 kahan 200: case '>': /* > */
1.140 kahan 201: entity = ">";
1.141 kahan 202: new_chars = sizeof (entity) - 1;
203: break;
204:
205: case '"': /* "e; */
206: entity = ""e;";
207: new_chars = sizeof (entity) - 1;
1.140 kahan 208: break;
209:
210: default:
211: new_chars = 1;
212: break;
213: }
214:
215: /* see if we need extra room in the buffer */
216: if (new_chars > buffer_free_mem)
217: {
218: buffer_free_mem = 20;
219: status = TtaRealloc (buffer, sizeof (char)
220: * (buffer_len + buffer_free_mem + 1));
221: if (status)
222: buffer = (char *) status;
223: else
224: {
225: /* @@ maybe we should do some other behavior here, like
226: freeing the buffer and return a void thing */
227: buffer[buffer_len] = EOS;
228: break;
229: }
230: }
231: /* escape the char */
232: if (entity)
233: {
234: sprintf (&buffer[buffer_len], "%s", entity);
235: entity = NULL;
236: }
1.75 cvs 237: else
238: buffer[buffer_len] = *ptr;
239:
240: /* update the status */
241: buffer_len += new_chars;
242: buffer_free_mem -= new_chars;
243: /* examine the next char */
244: ptr++;
245: }
1.106 cvs 246: buffer[buffer_len] = EOS;
1.75 cvs 247: }
1.76 cvs 248: else
249: buffer = NULL;
250:
1.75 cvs 251: return (buffer);
1.122 kahan 252: }
253:
1.75 cvs 254:
255: /*----------------------------------------------------------------------
1.11 cvs 256: ExplodeURL
1.8 cvs 257: ----------------------------------------------------------------------*/
1.106 cvs 258: void ExplodeURL (char *url, char **proto, char **host, char **dir,
259: char **file)
1.8 cvs 260: {
1.33 cvs 261: char *curr, *temp;
262: char used_sep;
1.32 cvs 263:
1.33 cvs 264: if (url && strchr (url, URL_SEP))
265: used_sep = URL_SEP;
266: else
267: used_sep = DIR_SEP;
1.8 cvs 268:
269: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
270: (dir == NULL) || (file == NULL))
271: return;
272:
273: /* initialize every pointer */
274: *proto = *host = *dir = *file = NULL;
275:
276: /* skip any leading space */
277: while ((*url == SPACE) || (*url == TAB))
278: url++;
1.9 cvs 279: curr = url;
280: if (*curr == 0)
1.8 cvs 281: goto finished;
282:
283: /* go to the end of the URL */
1.68 cvs 284: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
285: (*curr != __CR__) && (*curr != EOL))
1.9 cvs 286: curr++;
1.8 cvs 287:
288: /* mark the end of the chain */
1.9 cvs 289: *curr = EOS;
290: curr--;
291: if (curr <= url)
1.8 cvs 292: goto finished;
293:
294: /* search the next DIR_SEP indicating the beginning of the file name */
295: do
1.11 cvs 296: curr--;
1.33 cvs 297: while ((curr >= url) && (*curr != used_sep));
1.11 cvs 298:
1.9 cvs 299: if (curr < url)
1.8 cvs 300: goto finished;
1.9 cvs 301: *file = curr + 1;
1.8 cvs 302:
303: /* mark the end of the dir */
1.9 cvs 304: *curr = EOS;
305: curr--;
306: if (curr < url)
1.8 cvs 307: goto finished;
308:
1.29 cvs 309: /* search for the DIR_STR indicating the host name start */
1.33 cvs 310: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
1.9 cvs 311: curr--;
1.8 cvs 312:
313: /* if we found it, separate the host name from the directory */
1.102 kahan 314: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
1.8 cvs 315: {
1.9 cvs 316: *host = temp = curr + 2;
1.33 cvs 317: while ((*temp != 0) && (*temp != used_sep))
1.8 cvs 318: temp++;
1.33 cvs 319: if (*temp == used_sep)
1.8 cvs 320: {
321: *temp = EOS;
322: *dir = temp + 1;
323: }
324: }
325: else
1.11 cvs 326: *dir = curr;
327:
1.9 cvs 328: if (curr <= url)
1.8 cvs 329: goto finished;
330:
331: /* mark the end of the proto */
1.9 cvs 332: *curr = EOS;
333: curr--;
334: if (curr < url)
1.8 cvs 335: goto finished;
336:
1.106 cvs 337: if (*curr == ':')
1.8 cvs 338: {
1.9 cvs 339: *curr = EOS;
340: curr--;
1.8 cvs 341: }
342: else
343: goto finished;
1.11 cvs 344:
1.9 cvs 345: if (curr < url)
1.8 cvs 346: goto finished;
1.9 cvs 347: while ((curr > url) && (isalpha (*curr)))
348: curr--;
349: *proto = curr;
1.8 cvs 350:
351: finished:;
352:
353: #ifdef AMAYA_DEBUG
354: fprintf (stderr, "ExplodeURL(%s)\n\t", url);
355: if (*proto)
356: fprintf (stderr, "proto : %s, ", *proto);
357: if (*host)
358: fprintf (stderr, "host : %s, ", *host);
359: if (*dir)
360: fprintf (stderr, "dir : %s, ", *dir);
361: if (*file)
362: fprintf (stderr, "file : %s ", *file);
363: fprintf (stderr, "\n");
364: #endif
365:
366: }
1.3 cvs 367:
1.116 kahan 368: /*----------------------------------------------------------------------
369: PicTypeToMime
370: Converts a Thot PicType into the equivalent MIME type. If no convertion
371: is possible, it returns NULL.
372: ----------------------------------------------------------------------*/
373: char *PicTypeToMIME (PicType contentType)
374: {
375: char *mime_type;
376:
377: switch (contentType)
378: {
379: case xbm_type:
380: mime_type ="image/x-xbitmap";
381: break;
382: case eps_type:
383: mime_type ="application/postscript";
384: break;
385: case xpm_type:
386: mime_type ="image/x-xpicmap";
387: break;
388: case gif_type:
389: mime_type ="image/gif";
390: break;
391: case jpeg_type:
392: mime_type ="image/jpeg";
393: break;
394: case png_type:
395: mime_type ="image/png";
396: break;
397: case svg_type:
1.138 kahan 398: mime_type =AM_SVG_MIME_TYPE;
1.116 kahan 399: break;
400: case unknown_type:
401: default:
402: mime_type = NULL;
403: }
404:
405: return mime_type;
406: }
1.61 cvs 407:
408: /*----------------------------------------------------------------------
1.117 kahan 409: ImageElement
410: Returns the element (image parameter) and URL (url parameter) of an
411: image in a docImage document. The user must free the memory associated
1.120 kahan 412: with the url parameter if the function is succesful.
413: If the url parameter is NULL, we won't initialize it.
1.117 kahan 414: Returns TRUE if succesful, FALSE otherwise.
415: ----------------------------------------------------------------------*/
416: ThotBool ImageElement (Document doc, char **url, Element *image)
417: {
418: Element el, imgEl;
419: Attribute attr, srcAttr;
420: AttributeType attrType;
421: int length;
422: char *value;
423:
424: if (DocumentTypes[doc] != docImage)
425: return FALSE;
426:
427: /* find the value of the src attribute */
428: attrType.AttrSSchema = TtaGetSSchema ("HTML", doc);
429: attrType.AttrTypeNum = HTML_ATTR_SRC;
430: el = TtaGetRootElement (doc);
431: TtaSearchAttribute (attrType, SearchInTree, el, &imgEl, &srcAttr);
432:
433: if (!imgEl)
434: return FALSE;
435: *image = imgEl;
436:
1.120 kahan 437: if (url)
438: {
439: attr = TtaGetAttribute (imgEl, attrType);
440: length = TtaGetTextAttributeLength (srcAttr) + 1;
441: value = TtaGetMemory (length);
442: TtaGiveTextAttributeValue (srcAttr, value, &length);
443: *url = value;
444: }
1.117 kahan 445: return TRUE;
446: }
447:
448: /*----------------------------------------------------------------------
449: DocImageMimeType
450: Returns the MIME type of a docImage document.
451: ----------------------------------------------------------------------*/
452: char *DocImageMimeType (Document doc)
453: {
454: char *mime_type;
455: LoadedImageDesc *pImage;
456: PicType type;
457: Element image;
458:
459: if (DocumentTypes[doc] != docImage)
460: return NULL;
461:
462: mime_type = NULL;
463: if (!IsHTTPPath (DocumentURLs[doc]))
464: {
465: /* it is a local image */
1.120 kahan 466: if (ImageElement (doc, NULL, &image))
1.117 kahan 467: {
468: type = TtaGetPictureType (image);
469: mime_type = PicTypeToMIME (type);
470: }
471: }
472: else
473: {
474: /* find the value of the src attribute */
475: pImage = ImageURLs;
476: while (pImage != NULL)
477: {
478: if (pImage->document == doc)
479: {
480: if (pImage->content_type)
481: mime_type = pImage->content_type;
482: else if (pImage->elImage && pImage->elImage->currentElement)
483: {
484: type = TtaGetPictureType (pImage->elImage->currentElement);
485: mime_type = PicTypeToMIME (type);
486: }
487: break;
488: }
489: }
490: }
491: return (mime_type);
492: }
493:
1.4 cvs 494: /*----------------------------------------------------------------------
1.9 cvs 495: IsHTMLName
496: returns TRUE if path points to an HTML resource.
1.4 cvs 497: ----------------------------------------------------------------------*/
1.109 cvs 498: ThotBool IsHTMLName (const char *path)
1.106 cvs 499: {
1.136 cvs 500: char temppath[MAX_LENGTH];
501: char suffix[MAX_LENGTH];
502: char nsuffix[MAX_LENGTH];
503: int i;
1.5 cvs 504:
1.101 cvs 505: if (!path)
506: return (FALSE);
1.5 cvs 507:
1.106 cvs 508: strcpy (temppath, path);
1.124 vatton 509: TtaExtractSuffix (temppath, suffix);
1.101 cvs 510: i = 0;
1.106 cvs 511: while (suffix[i] != EOS)
1.101 cvs 512: {
513: /* Normalize the suffix */
514: i = 0;
1.106 cvs 515: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 516: {
1.123 vatton 517: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 518: i++;
519: }
1.106 cvs 520: nsuffix[i] = EOS;
521: if (!strcmp (nsuffix, "html") ||
522: !strcmp (nsuffix, "htm") ||
523: !strcmp (nsuffix, "shtml") ||
524: !strcmp (nsuffix, "jsp") ||
1.159 ! vatton 525: !strcmp (nsuffix, "tpl") ||
1.106 cvs 526: !strcmp (nsuffix, "xht") ||
527: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 528: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 529: !strcmp (nsuffix, "xhtml"))
1.101 cvs 530: return (TRUE);
1.106 cvs 531: else if (!strcmp (nsuffix, "gz"))
1.101 cvs 532: {
533: /* take into account compressed files */
1.124 vatton 534: TtaExtractSuffix (temppath, suffix);
1.101 cvs 535: /* Normalize the suffix */
536: i = 0;
1.106 cvs 537: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 538: {
1.123 vatton 539: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 540: i++;
541: }
1.106 cvs 542: nsuffix[i] = EOS;
543: if (!strcmp (nsuffix, "html") ||
544: !strcmp (nsuffix, "htm") ||
545: !strcmp (nsuffix, "shtml") ||
546: !strcmp (nsuffix, "jsp") ||
1.159 ! vatton 547: !strcmp (nsuffix, "tpl") ||
1.106 cvs 548: !strcmp (nsuffix, "xht") ||
549: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 550: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 551: !strcmp (nsuffix, "xhtml"))
1.101 cvs 552: return (TRUE);
553: else
554: return (FALSE);
555: }
556: else
557: /* check if there is another suffix */
1.124 vatton 558: TtaExtractSuffix (temppath, suffix);
1.101 cvs 559: }
1.88 cvs 560: return (FALSE);
1.3 cvs 561: }
562:
1.4 cvs 563: /*----------------------------------------------------------------------
1.136 cvs 564: IsMathMLName
565: returns TRUE if path points to an MathML resource.
1.56 cvs 566: ----------------------------------------------------------------------*/
1.136 cvs 567: ThotBool IsMathMLName (const char *path)
1.56 cvs 568: {
1.136 cvs 569: char temppath[MAX_LENGTH];
570: char suffix[MAX_LENGTH];
1.56 cvs 571:
572: if (!path)
573: return (FALSE);
574:
1.106 cvs 575: strcpy (temppath, path);
1.124 vatton 576: TtaExtractSuffix (temppath, suffix);
1.56 cvs 577:
1.136 cvs 578: if (!strcasecmp (suffix, "mml"))
1.56 cvs 579: return (TRUE);
1.106 cvs 580: else if (!strcmp (suffix, "gz"))
1.56 cvs 581: {
582: /* take into account compressed files */
1.124 vatton 583: TtaExtractSuffix (temppath, suffix);
1.136 cvs 584: if (!strcasecmp (suffix, "mml"))
1.60 cvs 585: return (TRUE);
586: else
587: return (FALSE);
588: }
589: else
590: return (FALSE);
591: }
592:
593: /*----------------------------------------------------------------------
1.136 cvs 594: IsSVGName
595: returns TRUE if path points to an SVG resource.
1.133 vatton 596: ----------------------------------------------------------------------*/
1.136 cvs 597: ThotBool IsSVGName (const char *path)
1.133 vatton 598: {
1.136 cvs 599: char temppath[MAX_LENGTH];
600: char suffix[MAX_LENGTH];
1.133 vatton 601:
602: if (!path)
603: return (FALSE);
604:
605: strcpy (temppath, path);
606: TtaExtractSuffix (temppath, suffix);
607:
1.158 vatton 608: if (!strcasecmp (suffix, "svg") || !strcasecmp (suffix, "svgz"))
1.133 vatton 609: return (TRUE);
610: else if (!strcmp (suffix, "gz"))
611: {
612: /* take into account compressed files */
613: TtaExtractSuffix (temppath, suffix);
1.136 cvs 614: if (!strcasecmp (suffix, "svg"))
1.133 vatton 615: return (TRUE);
616: else
617: return (FALSE);
618: }
619: else
620: return (FALSE);
621: }
622:
623: /*----------------------------------------------------------------------
1.136 cvs 624: IsXMLName
625: returns TRUE if path points to an XML resource.
1.103 cvs 626: ----------------------------------------------------------------------*/
1.136 cvs 627: ThotBool IsXMLName (const char *path)
1.103 cvs 628: {
1.136 cvs 629: char temppath[MAX_LENGTH];
630: char suffix[MAX_LENGTH];
1.103 cvs 631:
632: if (!path)
633: return (FALSE);
634:
1.106 cvs 635: strcpy (temppath, path);
1.124 vatton 636: TtaExtractSuffix (temppath, suffix);
1.103 cvs 637:
1.136 cvs 638: if (!strcasecmp (suffix, "xml") ||
639: !strcasecmp (suffix, "xht") ||
640: !strcmp (suffix, "xhtm") ||
1.145 kahan 641: !strcmp (suffix, "xhtml") ||
642: !strcmp (suffix, "smi"))
1.103 cvs 643: return (TRUE);
1.106 cvs 644: else if (!strcmp (suffix, "gz"))
1.103 cvs 645: {
646: /* take into account compressed files */
1.124 vatton 647: TtaExtractSuffix (temppath, suffix);
1.136 cvs 648: if (!strcasecmp (suffix, "xml") ||
649: !strcasecmp (suffix, "xht") ||
650: !strcmp (suffix, "xhtm") ||
1.145 kahan 651: !strcmp (suffix, "xhtml") ||
652: !strcmp (suffix, "smi"))
1.103 cvs 653: return (TRUE);
654: else
655: return (FALSE);
656: }
657: else
658: return (FALSE);
659: }
660:
661: /*----------------------------------------------------------------------
1.136 cvs 662: IsUndisplayedName
663: returns TRUE if path points to an undisplayed resource.
1.103 cvs 664: ----------------------------------------------------------------------*/
1.136 cvs 665: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 666: {
1.106 cvs 667: char temppath[MAX_LENGTH];
668: char suffix[MAX_LENGTH];
1.103 cvs 669:
670: if (!path)
671: return (FALSE);
672:
1.106 cvs 673: strcpy (temppath, path);
1.124 vatton 674: TtaExtractSuffix (temppath, suffix);
1.103 cvs 675:
1.136 cvs 676: if (!strcasecmp (suffix, "exe") ||
677: !strcasecmp (suffix, "zip") ||
678: !strcasecmp (suffix, "ppt") ||
679: !strcasecmp (suffix, "pdf") ||
680: !strcasecmp (suffix, "ps") ||
681: !strcasecmp (suffix, "eps") ||
682: !strcasecmp (suffix, "tar") ||
683: !strcasecmp (suffix, "tgz") ||
684: !strcasecmp (suffix, "ddl") ||
685: !strcasecmp (suffix, "o"))
1.103 cvs 686: return (TRUE);
1.106 cvs 687: else if (!strcmp (suffix, "gz"))
1.103 cvs 688: {
689: /* take into account compressed files */
1.124 vatton 690: TtaExtractSuffix (temppath, suffix);
1.136 cvs 691: if (!strcasecmp (suffix, "exe") ||
692: !strcasecmp (suffix, "zip") ||
693: !strcasecmp (suffix, "ppt") ||
694: !strcasecmp (suffix, "pdf") ||
695: !strcasecmp (suffix, "ps") ||
696: !strcasecmp (suffix, "eps") ||
697: !strcasecmp (suffix, "tar") ||
698: !strcasecmp (suffix, "ddl") ||
699: !strcasecmp (suffix, "o"))
1.103 cvs 700: return (TRUE);
701: else
702: return (FALSE);
703: }
704: else
705: return (FALSE);
706: }
707:
708: /*----------------------------------------------------------------------
1.60 cvs 709: IsCSSName
710: returns TRUE if path points to an XML resource.
711: ----------------------------------------------------------------------*/
1.111 cvs 712: ThotBool IsCSSName (const char *path)
1.60 cvs 713: {
1.106 cvs 714: char temppath[MAX_LENGTH];
715: char suffix[MAX_LENGTH];
1.60 cvs 716:
717: if (!path)
718: return (FALSE);
719:
1.106 cvs 720: strcpy (temppath, path);
1.124 vatton 721: TtaExtractSuffix (temppath, suffix);
1.60 cvs 722:
1.106 cvs 723: if (!strcasecmp (suffix, "css"))
1.60 cvs 724: return (TRUE);
1.106 cvs 725: else if (!strcmp (suffix, "gz"))
1.60 cvs 726: {
727: /* take into account compressed files */
1.124 vatton 728: TtaExtractSuffix (temppath, suffix);
1.106 cvs 729: if (!strcasecmp (suffix, "css"))
1.56 cvs 730: return (TRUE);
731: else
732: return (FALSE);
733: }
734: else
735: return (FALSE);
736: }
737:
738: /*----------------------------------------------------------------------
1.9 cvs 739: IsImageName
740: returns TRUE if path points to an image resource.
1.4 cvs 741: ----------------------------------------------------------------------*/
1.111 cvs 742: ThotBool IsImageName (const char *path)
1.106 cvs 743: {
744: char temppath[MAX_LENGTH];
745: char suffix[MAX_LENGTH];
746: char nsuffix[MAX_LENGTH];
1.5 cvs 747: int i;
748:
749: if (!path)
1.13 cvs 750: return (FALSE);
1.5 cvs 751:
1.106 cvs 752: strcpy (temppath, path);
1.124 vatton 753: TtaExtractSuffix (temppath, suffix);
1.5 cvs 754:
755: /* Normalize the suffix */
756: i = 0;
1.106 cvs 757: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 758: {
1.123 vatton 759: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 760: i++;
761: }
1.106 cvs 762: nsuffix[i] = EOS;
763: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
764: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
765: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
1.39 cvs 766: return (TRUE);
767: return (FALSE);
1.3 cvs 768: }
769:
1.4 cvs 770: /*----------------------------------------------------------------------
1.58 cvs 771: IsImageType
772: returns TRUE if type points to an image resource.
773: ----------------------------------------------------------------------*/
1.111 cvs 774: ThotBool IsImageType (const char *type)
1.58 cvs 775: {
1.106 cvs 776: char temptype[MAX_LENGTH];
1.58 cvs 777: int i;
778:
779: if (!type)
780: return (FALSE);
781:
1.106 cvs 782: strcpy (temptype, type);
1.58 cvs 783: /* Normalize the type */
784: i = 0;
1.106 cvs 785: while (temptype[i] != EOS)
1.58 cvs 786: {
787: temptype[i] = tolower (temptype[i]);
788: i++;
789: }
1.111 cvs 790: if (!strcmp (temptype, "gif") || !strcmp (temptype, "x-xbitmap") ||
791: !strcmp (temptype, "x-xpixmap") || !strcmp (temptype, "jpeg") ||
792: !strcmp (temptype, "png"))
1.58 cvs 793: return (TRUE);
794: return (FALSE);
795: }
796:
797: /*----------------------------------------------------------------------
1.9 cvs 798: IsTextName
1.4 cvs 799: ----------------------------------------------------------------------*/
1.111 cvs 800: ThotBool IsTextName (const char *path)
1.106 cvs 801: {
802: char temppath[MAX_LENGTH];
803: char suffix[MAX_LENGTH];
804: char nsuffix[MAX_LENGTH];
1.5 cvs 805: int i;
806:
807: if (!path)
1.13 cvs 808: return (FALSE);
1.5 cvs 809:
1.106 cvs 810: strcpy (temppath, path);
1.124 vatton 811: TtaExtractSuffix (temppath, suffix);
1.5 cvs 812:
813: /* Normalize the suffix */
814: i = 0;
1.106 cvs 815: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.5 cvs 816: {
1.25 cvs 817: nsuffix[i] = tolower (suffix[i]);
1.5 cvs 818: i++;
819: }
1.106 cvs 820: nsuffix[i] = EOS;
1.5 cvs 821:
1.111 cvs 822: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 823: return (TRUE);
1.106 cvs 824: else if (!strcmp (nsuffix, "gz"))
1.13 cvs 825: {
1.39 cvs 826: /* take into account compressed files */
1.124 vatton 827: TtaExtractSuffix (temppath, suffix);
1.13 cvs 828: /* Normalize the suffix */
829: i = 0;
1.106 cvs 830: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 831: {
1.25 cvs 832: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 833: i++;
834: }
1.106 cvs 835: nsuffix[i] = EOS;
1.111 cvs 836: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 837: return (TRUE);
838: else
839: return (FALSE);
840: }
841: else
842: return (FALSE);
1.3 cvs 843: }
844:
1.4 cvs 845: /*----------------------------------------------------------------------
1.9 cvs 846: IsHTTPPath
847: returns TRUE if path is in fact an http URL.
1.4 cvs 848: ----------------------------------------------------------------------*/
1.112 cvs 849: ThotBool IsHTTPPath (const char *path)
1.3 cvs 850: {
1.5 cvs 851: if (!path)
852: return FALSE;
1.3 cvs 853:
1.106 cvs 854: if ((!strncmp (path, "http:", 5) != 0)
855: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
856: || !strncmp (path, "internal:", 9))
1.58 cvs 857: return TRUE;
858: return FALSE;
1.3 cvs 859: }
860:
1.4 cvs 861: /*----------------------------------------------------------------------
1.9 cvs 862: IsWithParameters
863: returns TRUE if url has a concatenated query string.
1.4 cvs 864: ----------------------------------------------------------------------*/
1.133 vatton 865: ThotBool IsWithParameters (const char *url)
1.3 cvs 866: {
1.5 cvs 867: int i;
1.3 cvs 868:
1.9 cvs 869: if ((!url) || (url[0] == EOS))
1.5 cvs 870: return FALSE;
1.3 cvs 871:
1.9 cvs 872: i = strlen (url) - 1;
873: while (i > 0 && url[i--] != '?')
1.5 cvs 874: if (i < 0)
875: return FALSE;
1.3 cvs 876:
1.5 cvs 877: /* There is a parameter */
878: return TRUE;
1.3 cvs 879: }
880:
1.4 cvs 881: /*----------------------------------------------------------------------
1.9 cvs 882: IsW3Path
883: returns TRUE if path is in fact a URL.
1.4 cvs 884: ----------------------------------------------------------------------*/
1.133 vatton 885: ThotBool IsW3Path (const char *path)
1.106 cvs 886: {
887: if (strncmp (path, "http:", 5) &&
888: strncmp (path, "ftp:", 4) &&
889: strncmp (path, "telnet:", 7) &&
890: strncmp (path, "wais:", 5) &&
891: strncmp (path, "news:", 5) &&
892: strncmp (path, "gopher:", 7) &&
893: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 894: strncmp (path, "archie:", 7) &&
895: strncmp (path, "https:", 6))
1.72 cvs 896: return FALSE;
897: return TRUE;
1.3 cvs 898: }
899:
1.4 cvs 900: /*----------------------------------------------------------------------
1.90 cvs 901: IsFilePath
902: returns TRUE if path is in fact a URL.
903: ----------------------------------------------------------------------*/
1.133 vatton 904: ThotBool IsFilePath (const char *path)
1.90 cvs 905: {
1.106 cvs 906: if (strncmp (path, "file:", 5))
1.90 cvs 907: return FALSE;
908: return TRUE;
909: }
910:
911: /*----------------------------------------------------------------------
1.9 cvs 912: IsValidProtocol
913: returns true if the url protocol is supported by Amaya.
1.4 cvs 914: ----------------------------------------------------------------------*/
1.133 vatton 915: ThotBool IsValidProtocol (const char *url)
1.106 cvs 916: {
917: if (!strncmp (url, "http:", 5)
918: || !strncmp (url, "internal:", 9)
919: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.22 cvs 920: /* experimental */
1.24 cvs 921: /*** || !strncmp (path, "news:", 5)***/
1.8 cvs 922: return (TRUE);
1.5 cvs 923: else
1.8 cvs 924: return (FALSE);
1.3 cvs 925: }
926:
1.31 cvs 927:
928: /*----------------------------------------------------------------------
929: GetBaseURL
930: normalizes orgName according to a base associated with doc, and
931: following the standard URL format rules.
932: The function returns the base used to solve relative URL and SRC:
933: - the base of the document,
934: - or the document path (without document name).
935: ----------------------------------------------------------------------*/
1.106 cvs 936: char *GetBaseURL (Document doc)
1.31 cvs 937: {
938: Element el;
939: ElementType elType;
940: AttributeType attrType;
941: Attribute attr;
1.106 cvs 942: char *ptr, *basename;
1.31 cvs 943: int length;
1.151 kahan 944: ThotBool hasDocBase;
1.31 cvs 945:
1.113 cvs 946: if (doc == 0 || !DocumentURLs[doc])
1.110 cvs 947: return NULL;
1.148 kahan 948: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.106 cvs 949: basename = TtaGetMemory (MAX_LENGTH);
1.148 kahan 950: basename[0] = EOS;
1.31 cvs 951: length = MAX_LENGTH -1;
1.151 kahan 952: hasDocBase = FALSE;
953:
954: /* If the document has a base URL, it has a priority over the headers. */
955: /* @@ We need to do this too when we support XML:base */
956:
957: /* is it a HTML document ? */
958: elType.ElSSchema = TtaGetDocumentSSchema (doc);
959: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
960: /* it's a HTML document */
961: {
962: /* get the document element */
963: el = TtaGetMainRoot (doc);
964: /* search the BASE element */
965: elType.ElTypeNum = HTML_EL_HEAD;
966: el = TtaSearchTypedElement (elType, SearchForward, el);
967: if (el)
968: /* there is a HEAD element */
969: {
970: /* look for a BASE element within the HEAD */
971: elType.ElTypeNum = HTML_EL_BASE;
972: el = TtaSearchTypedElement (elType, SearchInTree, el);
973: }
974: if (el)
975: {
976: /* The document has a BASE element. Get the HREF attribute of the
977: BASE element */
978: hasDocBase = TRUE;
979: attrType.AttrSSchema = elType.ElSSchema;
980: attrType.AttrTypeNum = HTML_ATTR_HREF_;
981: attr = TtaGetAttribute (el, attrType);
982: if (attr)
983: {
984: /* Use the base path of the document */
985: TtaGiveTextAttributeValue (attr, basename, &length);
986: }
987: }
988: }
989:
990: /* there was no BASE. Do we have a location header? */
991: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 992: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 993: {
1.148 kahan 994: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
995: basename[MAX_LENGTH-1] = EOS;
996: length = strlen (basename);
997: }
998:
999: if (basename[0] != EOS)
1000: {
1001: /* base and orgName have to be separated by a DIR_SEP */
1002: length--;
1003: if (basename[0] != EOS && basename[length] != URL_SEP &&
1004: basename[length] != DIR_SEP)
1005: /* verify if the base has the form "protocol://server:port" */
1.31 cvs 1006: {
1.148 kahan 1007: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1008: AMAYA_PARSE_HOST |
1009: AMAYA_PARSE_PUNCTUATION);
1010: if (ptr && !strcmp (ptr, basename))
1.31 cvs 1011: {
1.148 kahan 1012: /* it has this form, complete it by adding a URL_STR */
1013: if (strchr (basename, DIR_SEP))
1014: strcat (basename, DIR_STR);
1015: else
1016: strcat (basename, URL_STR);
1017: length++;
1.31 cvs 1018: }
1.149 kahan 1019: else if (!ptr || ptr[0] == EOS)
1020: {
1021: /* no host was detected, we may have a relative URL. We test
1022: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1023: relative. */
1024: if (! (basename[0] == '.' || basename[0] == URL_SEP
1025: || basename[0] == DIR_SEP))
1026: basename[0] = EOS;
1027: }
1.148 kahan 1028: if (ptr)
1029: TtaFreeMemory (ptr);
1.31 cvs 1030: }
1.113 cvs 1031: }
1032:
1.148 kahan 1033: /* there was no base element and no location header, we use the DocumentURL */
1034: if (basename[0] == EOS)
1035: {
1036: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1037: basename[MAX_LENGTH-1] = EOS;
1038: }
1039:
1.31 cvs 1040: /* Remove anything after the last DIR_SEP char. If no such char is found,
1041: * then search for the first ":" char, hoping that what's before that is a
1042: * protocol. If found, end the string there. If neither char is found,
1043: * then discard the whole base element.
1044: */
1.106 cvs 1045: length = strlen (basename) - 1;
1.31 cvs 1046: /* search for the last DIR_SEP char */
1.106 cvs 1047: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1048: length--;
1049: if (length >= 0)
1050: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1051: basename[length + 1] = EOS;
1.31 cvs 1052: else
1053: /* search for the first PATH_STR char */
1054: {
1.106 cvs 1055: for (length = 0; basename[length] != ':' &&
1056: basename[length] != EOS; length ++);
1057: if (basename[length] == ':')
1.31 cvs 1058: /* found, so end the string there */
1.106 cvs 1059: basename[length + 1] = EOS;
1.31 cvs 1060: else
1061: /* not found, discard the base */
1.106 cvs 1062: basename[0] = EOS;
1.31 cvs 1063: }
1064: return (basename);
1065: }
1066:
1067:
1.4 cvs 1068: /*----------------------------------------------------------------------
1.40 cvs 1069: GetLocalPath
1070: Allocate and return the local document path associated to the url
1071: ----------------------------------------------------------------------*/
1.150 vatton 1072: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1073: {
1074: char *ptr;
1075: char *n;
1076: char *documentname;
1077: char url_sep;
1.83 cvs 1078: int len;
1.67 cvs 1079: ThotBool noFile;
1.40 cvs 1080:
1.153 vatton 1081: if (url)
1.40 cvs 1082: {
1083: /* check whether the file name exists */
1.106 cvs 1084: len = strlen (url) - 1;
1.71 cvs 1085: if (IsW3Path (url))
1.157 kahan 1086: url_sep = URL_SEP;
1.41 cvs 1087: else
1.106 cvs 1088: url_sep = DIR_SEP;
1.41 cvs 1089: noFile = (url[len] == url_sep);
1.40 cvs 1090: if (noFile)
1.106 cvs 1091: url[len] = EOS;
1092: ptr = TtaGetMemory (MAX_LENGTH);
1093: documentname = TtaGetMemory (MAX_LENGTH);
1.78 cvs 1094: TtaExtractName (url, ptr, documentname);
1.106 cvs 1095: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1096: if (!TtaCheckDirectory (ptr))
1097: /* directory did not exist */
1.72 cvs 1098: TtaMakeDirectory (ptr);
1.47 cvs 1099:
1.153 vatton 1100: if (doc == 0)
1101: {
1102: n = strrchr (documentname, '.');
1103: if (n)
1104: *n = EOS;
1105: if (documentname[0] == EOS)
1106: strcpy (documentname, "noname");
1107: n = GetTempName (ptr, documentname);
1108: TtaFreeMemory (ptr);
1109: ptr = n;
1110: }
1.69 cvs 1111: else
1.153 vatton 1112: {
1113: /* don't include the query string within document name */
1114: n = strrchr (documentname, '?');
1115: if (n)
1116: *n = EOS;
1117: /* don't include ':' within document name */
1118: n = strchr (documentname, ':');
1119: if (n)
1120: *n = EOS;
1121: /* if after all this operations document name
1122: is empty, let's use noname.html instead */
1123: if (documentname[0] == EOS)
1124: strcat (ptr, "noname.html");
1125: else
1126: strcat (ptr, documentname);
1127: }
1.40 cvs 1128: TtaFreeMemory (documentname);
1.157 kahan 1129: /* substitute invalid chars in file names by a _ */
1130: n = ptr;
1131: while (*n)
1132: {
1133: if (*n == '*' || *n == ',')
1134: *n = '_';
1135: n++;
1136: }
1.40 cvs 1137: /* restore the url */
1138: if (noFile)
1.41 cvs 1139: url[len] = url_sep;
1.40 cvs 1140: return (ptr);
1141: }
1142: else
1143: return (NULL);
1144: }
1145:
1.73 cvs 1146: /*----------------------------------------------------------------------
1.79 cvs 1147: ExtractTarget extract the target name from document nane.
1148: ----------------------------------------------------------------------*/
1.150 vatton 1149: void ExtractTarget (char *aName, char *target)
1.79 cvs 1150: {
1.106 cvs 1151: int lg, i;
1152: char *ptr;
1153: char *oldptr;
1.79 cvs 1154:
1155: if (!target || !aName)
1156: /* bad target */
1157: return;
1158:
1.106 cvs 1159: target[0] = EOS;
1160: lg = strlen (aName);
1.79 cvs 1161: if (lg)
1162: {
1163: /* the name is not empty */
1164: oldptr = ptr = &aName[0];
1165: do
1166: {
1.106 cvs 1167: ptr = strrchr (oldptr, '#');
1.79 cvs 1168: if (ptr)
1169: oldptr = &ptr[1];
1170: }
1171: while (ptr);
1172:
1173: i = (int) (oldptr) - (int) (aName); /* name length */
1174: if (i > 1)
1175: {
1.106 cvs 1176: aName[i - 1] = EOS;
1.79 cvs 1177: if (i != lg)
1.106 cvs 1178: strcpy (target, oldptr);
1.79 cvs 1179: }
1180: }
1181: }
1182:
1183: /*----------------------------------------------------------------------
1.90 cvs 1184: RemoveNewLines (text)
1185: Removes any '\n' chars that are found in text.
1186: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1187: ----------------------------------------------------------------------*/
1.106 cvs 1188: ThotBool RemoveNewLines (char *text)
1189: {
1190: ThotBool change = FALSE;
1191: char *src;
1192: char *dest;
1.90 cvs 1193:
1194: src = text;
1195: dest = text;
1.115 kahan 1196:
1197: /* remove any preceding whitespace */
1198: while (*src && *src == ' ')
1199: {
1200: src++;
1201: change = 1;
1202: }
1203:
1.90 cvs 1204: while (*src)
1205: {
1206: switch (*src)
1207: {
1.106 cvs 1208: case '\n':
1.90 cvs 1209: /* don't copy the newline */
1210: change = 1;
1211: break;
1212: default:
1213: *dest = *src;
1214: dest++;
1215: break;
1216: }
1217: src++;
1218: }
1219: /* copy the last EOS char */
1220: *dest = *src;
1221:
1222: return (change);
1223: }
1224:
1225: /*----------------------------------------------------------------------
1226: CleanCopyFileURL
1227: Copies a file url from a src string to destination string.
1.97 cvs 1228: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1229: we want to do).
1.90 cvs 1230: ----------------------------------------------------------------------*/
1.106 cvs 1231: static void CleanCopyFileURL (char *dest, char *src,
1232: ConvertionType convertion)
1.90 cvs 1233: {
1234: while (*src)
1.89 cvs 1235: {
1.90 cvs 1236: switch (*src)
1.89 cvs 1237: {
1238: #ifdef _WINDOWS
1.106 cvs 1239: case URL_SEP:
1.96 cvs 1240: /* make DIR_SEP transformation */
1.97 cvs 1241: if (convertion & AM_CONV_URL_SEP)
1.106 cvs 1242: *dest = DIR_SEP;
1.96 cvs 1243: else
1244: *dest = *src;
1.90 cvs 1245: dest++;
1.96 cvs 1246: src++;
1.90 cvs 1247: break;
1.89 cvs 1248: #endif /* _WINDOWS */
1.96 cvs 1249:
1.106 cvs 1250: case '%':
1.97 cvs 1251: if (convertion & AM_CONV_PERCENT)
1.96 cvs 1252: {
1.97 cvs 1253: /* (code adapted from libwww's HTUnEscape function */
1.96 cvs 1254: src++;
1.106 cvs 1255: if (*src != EOS)
1.97 cvs 1256: {
1257: *dest = UnEscapeChar (*src) * 16;
1258: src++;
1259: }
1.106 cvs 1260: if (*src != EOS)
1.97 cvs 1261: {
1262: *dest = *dest + UnEscapeChar (*src);
1263: src++;
1264: }
1265: dest++;
1.96 cvs 1266: }
1.97 cvs 1267: else
1.96 cvs 1268: {
1.97 cvs 1269: *dest = *src;
1270: dest++;
1.96 cvs 1271: src++;
1272: }
1273: break;
1274:
1.90 cvs 1275: default:
1276: *dest = *src;
1.89 cvs 1277: dest++;
1.96 cvs 1278: src++;
1.90 cvs 1279: break;
1.89 cvs 1280: }
1281: }
1.90 cvs 1282: /* copy the EOS char */
1283: *dest = *src;
1.73 cvs 1284: }
1.40 cvs 1285:
1286: /*----------------------------------------------------------------------
1.9 cvs 1287: NormalizeURL
1288: normalizes orgName according to a base associated with doc, and
1289: following the standard URL format rules.
1.113 cvs 1290: if doc is < 0, use as a base the URL of the document that contains
1291: (or contained) the elements that are now in the copy/cut buffer.
1.53 cvs 1292: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1293: other path.
1.9 cvs 1294: The function returns the new complete and normalized URL
1.12 cvs 1295: or file name path (newName) and the name of the document (docName).
1.9 cvs 1296: N.B. If the function can't find out what's the docName, it assigns
1297: the name "noname.html".
1.4 cvs 1298: ----------------------------------------------------------------------*/
1.106 cvs 1299: void NormalizeURL (char *orgName, Document doc, char *newName,
1300: char *docName, char *otherPath)
1301: {
1302: char *basename;
1303: char tempOrgName[MAX_LENGTH];
1304: char *ptr;
1305: char used_sep;
1.84 cvs 1306: int length;
1307: ThotBool check;
1.5 cvs 1308:
1.110 cvs 1309: #ifdef _WINDOWS
1.44 cvs 1310: int ndx;
1.110 cvs 1311: #endif /* _WINDOWS */
1.44 cvs 1312:
1.5 cvs 1313: if (!newName || !docName)
1314: return;
1.18 cvs 1315:
1.113 cvs 1316: if (doc < 0)
1317: basename = TtaStrdup (SavedDocumentURL);
1318: else if (doc > 0)
1.53 cvs 1319: basename = GetBaseURL (doc);
1320: else if (otherPath != NULL)
1.108 cvs 1321: basename = TtaStrdup (otherPath);
1.32 cvs 1322: else
1.53 cvs 1323: basename = NULL;
1.32 cvs 1324:
1.18 cvs 1325: /*
1.31 cvs 1326: * Clean orgName
1327: * Make sure we have a complete orgName, without any leading or trailing
1328: * white spaces, or trailinbg new lines
1329: */
1.5 cvs 1330: ptr = orgName;
1.18 cvs 1331: /* skip leading white space and new line characters */
1.106 cvs 1332: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1333: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1334: tempOrgName[MAX_LENGTH -1] = EOS;
1.18 cvs 1335: /*
1.31 cvs 1336: * Make orgName a complete URL
1337: * If the URL does not include a protocol, then try to calculate
1338: * one using the doc's base element (if it exists),
1339: */
1.106 cvs 1340: if (tempOrgName[0] == EOS)
1.53 cvs 1341: {
1.106 cvs 1342: newName[0] = EOS;
1343: docName[0] = EOS;
1.53 cvs 1344: TtaFreeMemory (basename);
1345: return;
1346: }
1.49 cvs 1347:
1348: /* clean trailing white space */
1.106 cvs 1349: length = strlen (tempOrgName) - 1;
1350: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1.53 cvs 1351: {
1.106 cvs 1352: tempOrgName[length] = EOS;
1.53 cvs 1353: length--;
1354: }
1.50 cvs 1355:
1.55 cvs 1356: /* remove extra dot (which dot???) */
1357: /* ugly, but faster than a strcmp */
1.106 cvs 1358: if (tempOrgName[length] == '.'
1359: && (length == 0 || tempOrgName[length-1] != '.'))
1360: tempOrgName[length] = EOS;
1.50 cvs 1361:
1.94 cvs 1362: if (IsW3Path (tempOrgName))
1.53 cvs 1363: {
1364: /* the name is complete, go to the Sixth Step */
1.106 cvs 1365: strcpy (newName, tempOrgName);
1.53 cvs 1366: SimplifyUrl (&newName);
1367: /* verify if the URL has the form "protocol://server:port" */
1.110 cvs 1368: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1369: AMAYA_PARSE_HOST |
1370: AMAYA_PARSE_PUNCTUATION);
1371: if (ptr && !strcmp (ptr, newName))
1372: /* it has this form, we complete it by adding a DIR_STR */
1.106 cvs 1373: strcat (newName, URL_STR);
1.49 cvs 1374:
1.53 cvs 1375: if (ptr)
1.50 cvs 1376: TtaFreeMemory (ptr);
1.53 cvs 1377: }
1.113 cvs 1378: else if (basename == NULL)
1.53 cvs 1379: /* the name is complete, go to the Sixth Step */
1.106 cvs 1380: strcpy (newName, tempOrgName);
1.53 cvs 1381: else
1382: {
1.31 cvs 1383: /* Calculate the absolute URL, using the base or document URL */
1.110 cvs 1384: #ifdef _WINDOWS
1.53 cvs 1385: if (!IsW3Path (basename))
1386: {
1.106 cvs 1387: length = strlen (tempOrgName);
1.53 cvs 1388: for (ndx = 0; ndx < length; ndx++)
1.106 cvs 1389: if (tempOrgName [ndx] == '/')
1390: tempOrgName [ndx] = '\\';
1.53 cvs 1391: }
1.110 cvs 1392: #endif /* _WINDOWS */
1.25 cvs 1393: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1.53 cvs 1394: if (ptr)
1395: {
1396: SimplifyUrl (&ptr);
1.106 cvs 1397: strcpy (newName, ptr);
1.53 cvs 1398: TtaFreeMemory (ptr);
1399: }
1400: else
1.106 cvs 1401: newName[0] = EOS;
1.53 cvs 1402: }
1.36 cvs 1403:
1404: TtaFreeMemory (basename);
1.18 cvs 1405: /*
1.31 cvs 1406: * Prepare the docname that will refer to this ressource in the
1407: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1408: * noname.html as a default ressource name
1.18 cvs 1409: */
1.106 cvs 1410: if (newName[0] != EOS)
1.53 cvs 1411: {
1.106 cvs 1412: length = strlen (newName) - 1;
1413: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1.53 cvs 1414: {
1415: used_sep = newName[length];
1416: check = TRUE;
1417: while (check)
1418: {
1.50 cvs 1419: length--;
1420: while (length >= 0 && newName[length] != used_sep)
1.53 cvs 1421: length--;
1.106 cvs 1422: if (!strncmp (&newName[length+1], "..", 2))
1.53 cvs 1423: {
1.106 cvs 1424: newName[length+1] = EOS;
1.53 cvs 1425: /* remove also previous directory */
1426: length--;
1427: while (length >= 0 && newName[length] != used_sep)
1428: length--;
1.106 cvs 1429: if (strncmp (&newName[length+1], "//", 2))
1.131 cheyroul 1430: /* don't remove server name */
1.106 cvs 1431: newName[length+1] = EOS;
1.53 cvs 1432: }
1.106 cvs 1433: else if (!strncmp (&newName[length+1], ".", 1))
1434: newName[length+1] = EOS;
1.50 cvs 1435: else
1.53 cvs 1436: check = FALSE;
1437: }
1438: /* docname was not comprised inside the URL, so let's */
1439: /* assign the default ressource name */
1.106 cvs 1440: strcpy (docName, "noname.html");
1.53 cvs 1441: }
1442: else
1443: { /* docname is comprised inside the URL */
1.110 cvs 1444: while (length >= 0 && newName[length] != URL_SEP &&
1445: newName[length] != DIR_SEP)
1.53 cvs 1446: length--;
1447: if (length < 0)
1.106 cvs 1448: strcpy (docName, newName);
1.53 cvs 1449: else
1.106 cvs 1450: strcpy (docName, &newName[length+1]);
1.53 cvs 1451: }
1452: }
1453: else
1.106 cvs 1454: docName[0] = EOS;
1.18 cvs 1455: }
1.3 cvs 1456:
1.4 cvs 1457: /*----------------------------------------------------------------------
1.9 cvs 1458: IsSameHost
1.4 cvs 1459: ----------------------------------------------------------------------*/
1.106 cvs 1460: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1461: {
1.106 cvs 1462: char *basename_ptr1, *basename_ptr2;
1463: ThotBool result;
1.3 cvs 1464:
1.106 cvs 1465: basename_ptr1 = AmayaParseUrl (url1, "",
1466: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1467: basename_ptr2 = AmayaParseUrl (url2, "",
1468: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1469:
1.106 cvs 1470: if (strcmp (basename_ptr1, basename_ptr2))
1471: result = FALSE;
1472: else
1473: result = TRUE;
1474: TtaFreeMemory (basename_ptr1);
1475: TtaFreeMemory (basename_ptr2);
1476: return (result);
1.3 cvs 1477: }
1478:
1479:
1.4 cvs 1480: /*----------------------------------------------------------------------
1.22 cvs 1481: HasKnownFileSuffix
1482: returns TRUE if path points to a file ending with a suffix.
1483: ----------------------------------------------------------------------*/
1.153 vatton 1484: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1485: {
1486: char *root;
1487: char temppath[MAX_LENGTH];
1488: char suffix[MAX_LENGTH];
1.22 cvs 1489:
1.106 cvs 1490: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1.22 cvs 1491: return (FALSE);
1492:
1.106 cvs 1493: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.22 cvs 1494:
1495: if (root)
1496: {
1.106 cvs 1497: strcpy (temppath, root);
1.25 cvs 1498: TtaFreeMemory (root);
1.22 cvs 1499: /* Get the suffix */
1.124 vatton 1500: TtaExtractSuffix (temppath, suffix);
1.22 cvs 1501:
1.106 cvs 1502: if( suffix[0] == EOS)
1.22 cvs 1503: /* no suffix */
1504: return (FALSE);
1505:
1506: /* Normalize the suffix */
1507: ConvertToLowerCase (suffix);
1508:
1.106 cvs 1509: if (!strcmp (suffix, "gz"))
1.22 cvs 1510: /* skip the compressed suffix */
1511: {
1.124 vatton 1512: TtaExtractSuffix (temppath, suffix);
1.106 cvs 1513: if(suffix[0] == EOS)
1.22 cvs 1514: /* no suffix */
1515: return (FALSE);
1516: /* Normalize the suffix */
1517: ConvertToLowerCase (suffix);
1518: }
1519:
1.106 cvs 1520: if (strcmp (suffix, "gif") &&
1521: strcmp (suffix, "xbm") &&
1522: strcmp (suffix, "xpm") &&
1523: strcmp (suffix, "jpg") &&
1524: strcmp (suffix, "pdf") &&
1525: strcmp (suffix, "png") &&
1526: strcmp (suffix, "tgz") &&
1527: strcmp (suffix, "xpg") &&
1528: strcmp (suffix, "xpd") &&
1529: strcmp (suffix, "ps") &&
1530: strcmp (suffix, "au") &&
1531: strcmp (suffix, "html") &&
1532: strcmp (suffix, "htm") &&
1533: strcmp (suffix, "shtml") &&
1534: strcmp (suffix, "xht") &&
1535: strcmp (suffix, "xhtm") &&
1536: strcmp (suffix, "xhtml") &&
1537: strcmp (suffix, "txt") &&
1538: strcmp (suffix, "css") &&
1539: strcmp (suffix, "eps"))
1.22 cvs 1540: return (FALSE);
1541: else
1542: return (TRUE);
1543: }
1544: else
1545: return (FALSE);
1546: }
1547:
1548:
1549: /*----------------------------------------------------------------------
1.24 cvs 1550: ChopURL
1551: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1552: If inputURL is bigger than that size, outputURL receives
1553: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1554: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1555: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1556: copied into outputURL.
1557: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1558: chars.
1559: ----------------------------------------------------------------------*/
1.106 cvs 1560: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1561: {
1562: int len;
1.9 cvs 1563:
1.106 cvs 1564: len = strlen (inputURL);
1.24 cvs 1565: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1566: strcpy (outputURL, inputURL);
1.24 cvs 1567: else
1568: /* make a truncated urlName on the status window */
1569: {
1.106 cvs 1570: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1571: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1572: strcat (outputURL, "...");
1573: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1574: }
1.25 cvs 1575: }
1576:
1577:
1578: /*----------------------------------------------------------------------
1579: scan
1.47 cvs 1580: Scan a filename for its constituents
1.25 cvs 1581: -----------------------------------
1582:
1583: On entry,
1584: name points to a document name which may be incomplete.
1585: On exit,
1586: absolute or relative may be nonzero (but not both).
1587: host, fragment and access may be nonzero if they were specified.
1588: Any which are nonzero point to zero terminated strings.
1589: ----------------------------------------------------------------------*/
1.106 cvs 1590: static void scan (char *name, HTURI *parts)
1.25 cvs 1591: {
1.106 cvs 1592: char * p;
1593: char * after_access = name;
1.32 cvs 1594:
1.43 cvs 1595: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1596: /* Look for fragment identifier */
1.106 cvs 1597: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1598: {
1.106 cvs 1599: *p++ = '\0';
1.28 cvs 1600: parts->fragment = p;
1.25 cvs 1601: }
1602:
1.28 cvs 1603: for (p=name; *p; p++)
1604: {
1.106 cvs 1605: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.28 cvs 1606: break;
1.106 cvs 1607: if (*p == ':')
1.28 cvs 1608: {
1609: *p = 0;
1610: parts->access = after_access; /* Scheme has been specified */
1611:
1612: /* The combination of gcc, the "-O" flag and the HP platform is
1613: unhealthy. The following three lines is a quick & dirty fix, but is
1614: not recommended. Rather, turn off "-O". */
1615:
1616: /* after_access = p;*/
1617: /* while (*after_access == 0)*/
1618: /* after_access++;*/
1619: after_access = p+1;
1.106 cvs 1620: if (!strcasecmp("URL", parts->access))
1.28 cvs 1621: /* Ignore IETF's URL: pre-prefix */
1622: parts->access = NULL;
1623: else
1.25 cvs 1624: break;
1625: }
1626: }
1627:
1628: p = after_access;
1.43 cvs 1629: if (*p == URL_SEP || *p == DIR_SEP)
1.28 cvs 1630: {
1.43 cvs 1631: if (p[1] == URL_SEP)
1.28 cvs 1632: {
1.25 cvs 1633: parts->host = p+2; /* host has been specified */
1.28 cvs 1634: *p = 0; /* Terminate access */
1635: /* look for end of host name if any */
1.106 cvs 1636: p = strchr (parts->host, URL_SEP);
1.28 cvs 1637: if (p)
1638: {
1.106 cvs 1639: *p = EOS; /* Terminate host */
1.25 cvs 1640: parts->absolute = p+1; /* Root has been found */
1.28 cvs 1641: }
1642: }
1643: else
1644: /* Root found but no host */
1645: parts->absolute = p+1;
1646: }
1647: else
1648: {
1.25 cvs 1649: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1.28 cvs 1650: }
1.25 cvs 1651: }
1652:
1653:
1654: /*----------------------------------------------------------------------
1.28 cvs 1655: AmayaParseUrl: parse a Name relative to another name
1656:
1657: This returns those parts of a name which are given (and requested)
1658: substituting bits from the related name where necessary.
1.25 cvs 1659:
1.28 cvs 1660: On entry,
1.25 cvs 1661: aName A filename given
1662: relatedName A name relative to which aName is to be parsed. Give
1663: it an empty string if aName is absolute.
1664: wanted A mask for the bits which are wanted.
1665:
1.28 cvs 1666: On exit,
1.25 cvs 1667: returns A pointer to a malloc'd string which MUST BE FREED
1668: ----------------------------------------------------------------------*/
1.106 cvs 1669: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1670: {
1671: char *return_value;
1672: char result[MAX_LENGTH];
1673: char name[MAX_LENGTH];
1674: char rel[MAX_LENGTH];
1675: char *p, *access;
1.29 cvs 1676: HTURI given, related;
1677: int len;
1.106 cvs 1678: char used_sep;
1679: char *used_str;
1.32 cvs 1680:
1.106 cvs 1681: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1682: {
1.106 cvs 1683: used_str = DIR_STR;
1684: used_sep = DIR_SEP;
1.33 cvs 1685: }
1.32 cvs 1686: else
1.33 cvs 1687: {
1.106 cvs 1688: used_str = URL_STR;
1689: used_sep = URL_SEP;
1.33 cvs 1690: }
1.32 cvs 1691:
1.29 cvs 1692: /* Make working copies of input strings to cut up: */
1693: return_value = NULL;
1694: result[0] = 0; /* Clear string */
1.106 cvs 1695: strcpy (name, aName);
1.29 cvs 1696: if (relatedName != NULL)
1.106 cvs 1697: strcpy (rel, relatedName);
1.29 cvs 1698: else
1.106 cvs 1699: relatedName[0] = EOS;
1.29 cvs 1700:
1701: scan (name, &given);
1702: scan (rel, &related);
1703: access = given.access ? given.access : related.access;
1704: if (wanted & AMAYA_PARSE_ACCESS)
1705: if (access)
1706: {
1.106 cvs 1707: strcat (result, access);
1.29 cvs 1708: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1709: strcat (result, ":");
1.29 cvs 1710: }
1711:
1712: if (given.access && related.access)
1713: /* If different, inherit nothing. */
1.106 cvs 1714: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1715: {
1716: related.host = 0;
1717: related.absolute = 0;
1718: related.relative = 0;
1719: related.fragment = 0;
1720: }
1721:
1722: if (wanted & AMAYA_PARSE_HOST)
1723: if(given.host || related.host)
1724: {
1725: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1726: strcat (result, "//");
1727: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1728: }
1729:
1730: if (given.host && related.host)
1731: /* If different hosts, inherit no path. */
1.106 cvs 1732: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1733: {
1734: related.absolute = 0;
1735: related.relative = 0;
1736: related.fragment = 0;
1737: }
1738:
1739: if (wanted & AMAYA_PARSE_PATH)
1740: {
1741: if (given.absolute)
1742: {
1743: /* All is given */
1744: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1745: strcat (result, used_str);
1746: strcat (result, given.absolute);
1.25 cvs 1747: }
1.29 cvs 1748: else if (related.absolute)
1749: {
1750: /* Adopt path not name */
1.106 cvs 1751: strcat (result, used_str);
1752: strcat (result, related.absolute);
1.29 cvs 1753: if (given.relative)
1754: {
1755: /* Search part? */
1.106 cvs 1756: p = strchr (result, '?');
1.29 cvs 1757: if (!p)
1.106 cvs 1758: p=result+strlen(result)-1;
1.33 cvs 1759: for (; *p!=used_sep; p--); /* last / */
1.29 cvs 1760: /* Remove filename */
1761: p[1]=0;
1762: /* Add given one */
1.106 cvs 1763: strcat (result, given.relative);
1.25 cvs 1764: }
1765: }
1.29 cvs 1766: else if (given.relative)
1767: /* what we've got */
1.106 cvs 1768: strcat (result, given.relative);
1.29 cvs 1769: else if (related.relative)
1.106 cvs 1770: strcat (result, related.relative);
1.29 cvs 1771: else
1772: /* No inheritance */
1.106 cvs 1773: strcat (result, used_str);
1.25 cvs 1774: }
1.29 cvs 1775:
1776: if (wanted & AMAYA_PARSE_ANCHOR)
1777: if (given.fragment || related.fragment)
1778: {
1779: if (given.absolute && given.fragment)
1780: {
1781: /*Fixes for relURLs...*/
1782: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1783: strcat (result, "#");
1784: strcat (result, given.fragment);
1.29 cvs 1785: }
1786: else if (!(given.absolute) && !(given.fragment))
1.106 cvs 1787: strcat (result, "");
1.29 cvs 1788: else
1789: {
1.110 cvs 1790: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1791: strcat (result, "#");
1.110 cvs 1792: strcat (result, given.fragment ? given.fragment : related.fragment);
1.29 cvs 1793: }
1794: }
1.106 cvs 1795: len = strlen (result);
1796: if ((return_value = TtaGetMemory (len + 1)) != NULL)
1797: strcpy (return_value, result);
1.29 cvs 1798: return (return_value); /* exactly the right length */
1.25 cvs 1799: }
1800:
1801: /*----------------------------------------------------------------------
1802: HTCanon
1803: Canonicalizes the URL in the following manner starting from the host
1804: pointer:
1805:
1806: 1) The host name is converted to lowercase
1807: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1808:
1809: Return: OK The position of the current path part of the URL
1810: which might be the old one or a new one.
1811:
1812: ----------------------------------------------------------------------*/
1.106 cvs 1813: static char *HTCanon (char **filename, char *host)
1814: {
1815: char *newname = NULL;
1816: char used_sep;
1817: char *path;
1818: char *strptr;
1819: char *port;
1820: char *access = host-3;
1821:
1822: if (*filename && strchr (*filename, URL_SEP))
1823: used_sep = URL_SEP;
1.33 cvs 1824: else
1.106 cvs 1825: used_sep = DIR_SEP;
1.32 cvs 1826:
1.110 cvs 1827: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1.25 cvs 1828: access--;
1.110 cvs 1829: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1.106 cvs 1830: path = host + strlen (host);
1831: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1.82 cvs 1832: host = strptr;
1.110 cvs 1833: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1.82 cvs 1834: port = NULL;
1.25 cvs 1835:
1836: strptr = host; /* Convert to lower-case */
1.82 cvs 1837: while (strptr < path)
1.33 cvs 1838: {
1.123 vatton 1839: *strptr = tolower (*strptr);
1.82 cvs 1840: strptr++;
1.33 cvs 1841: }
1.25 cvs 1842:
1843: /* Does the URL contain a full domain name? This also works for a
1844: numerical host name. The domain name is already made lower-case
1845: and without a trailing dot. */
1846: {
1.106 cvs 1847: char *dot = port ? port : path;
1848: if (dot > *filename && *--dot == '.')
1.33 cvs 1849: {
1.106 cvs 1850: char *orig = dot;
1851: char *dest = dot + 1;
1.82 cvs 1852: while ((*orig++ = *dest++));
1853: if (port) port--;
1.33 cvs 1854: path--;
1.25 cvs 1855: }
1856: }
1857: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
1.33 cvs 1858: if (port)
1859: {
1.82 cvs 1860: if (!*(port+1) || *(port+1) == used_sep)
1.33 cvs 1861: {
1862: if (!newname)
1863: {
1.106 cvs 1864: char *orig = port;
1865: char *dest = port + 1;
1.82 cvs 1866: while ((*orig++ = *dest++));
1.33 cvs 1867: }
1868: }
1.106 cvs 1869: else if ((!strncmp (access, "http", 4) &&
1870: (*(port + 1) == '8' &&
1871: *(port+2) == '0' &&
1.82 cvs 1872: (*(port+3) == used_sep || !*(port + 3)))) ||
1.106 cvs 1873: (!strncmp (access, "gopher", 6) &&
1874: (*(port+1) == '7' &&
1875: *(port+2) == '0' &&
1.82 cvs 1876: (*(port+3) == used_sep || !*(port+3)))) ||
1.106 cvs 1877: (!strncmp (access, "ftp", 3) &&
1878: (*(port+1) == '2' &&
1879: *(port + 2) == '1' &&
1.82 cvs 1880: (*(port+3) == used_sep || !*(port+3))))) {
1.33 cvs 1881: if (!newname)
1882: {
1.106 cvs 1883: char *orig = port;
1884: char *dest = port + 3;
1.33 cvs 1885: while((*orig++ = *dest++));
1886: /* Update path position, Henry Minsky */
1887: path -= 3;
1.25 cvs 1888: }
1.33 cvs 1889: }
1890: else if (newname)
1.106 cvs 1891: strncat (newname, port, (int) (path - port));
1.33 cvs 1892: }
1.25 cvs 1893:
1.33 cvs 1894: if (newname)
1895: {
1.106 cvs 1896: char *newpath = newname + strlen (newname);
1897: strcat (newname, path);
1.25 cvs 1898: path = newpath;
1.28 cvs 1899: /* Free old copy */
1900: TtaFreeMemory(*filename);
1.25 cvs 1901: *filename = newname;
1.33 cvs 1902: }
1.25 cvs 1903: return path;
1904: }
1905:
1906:
1907: /*----------------------------------------------------------------------
1.29 cvs 1908: SimplifyUrl: simplify a URI
1.32 cvs 1909: A URI is allowed to contain the sequence xxx/../ which may be
1910: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 1911: Simplification helps us recognize duplicate URIs.
1.25 cvs 1912:
1.28 cvs 1913: Thus, /etc/junk/../fred becomes /etc/fred
1914: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 1915:
1.28 cvs 1916: but we should NOT change
1917: http://fred.xxx.edu/../..
1.25 cvs 1918:
1919: or ../../albert.html
1920:
1.28 cvs 1921: In order to avoid empty URLs the following URLs become:
1.25 cvs 1922:
1923: /fred/.. becomes /fred/..
1924: /fred/././.. becomes /fred/..
1925: /fred/.././junk/.././ becomes /fred/..
1926:
1.28 cvs 1927: If more than one set of `://' is found (several proxies in cascade) then
1928: only the part after the last `://' is simplified.
1.25 cvs 1929:
1.28 cvs 1930: Returns: A string which might be the old one or a new one.
1.25 cvs 1931: ----------------------------------------------------------------------*/
1.106 cvs 1932: void SimplifyUrl (char **url)
1933: {
1934: char *path;
1935: char *access;
1936: char *newptr;
1937: char *p;
1938: char *orig, *dest, *end;
1.28 cvs 1939:
1.106 cvs 1940: char used_sep;
1.77 cvs 1941: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
1942: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 1943:
1.28 cvs 1944: if (!url || !*url)
1945: return;
1946:
1.106 cvs 1947: if (strchr (*url, URL_SEP))
1948: used_sep = URL_SEP;
1.32 cvs 1949: else
1.106 cvs 1950: used_sep = DIR_SEP;
1.32 cvs 1951:
1.77 cvs 1952: /* should we simplify double dot? */
1953: path = *url;
1.106 cvs 1954: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 1955: ddot_simplify = FALSE;
1956: else
1957: ddot_simplify = TRUE;
1958:
1.28 cvs 1959: /* Find any scheme name */
1.106 cvs 1960: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 1961: {
1962: /* Find host name */
1.28 cvs 1963: access = *url;
1.123 vatton 1964: while (access < path && (*access = tolower (*access)))
1.82 cvs 1965: access++;
1.28 cvs 1966: path += 3;
1.106 cvs 1967: while ((newptr = strstr (path, "://")) != NULL)
1.82 cvs 1968: /* For proxies */
1.106 cvs 1969: path = newptr + 3;
1.82 cvs 1970: /* We have a host name */
1.84 cvs 1971: path = HTCanon (url, path);
1.25 cvs 1972: }
1.106 cvs 1973: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 1974: path += 2;
1975: else
1976: path = *url;
1.84 cvs 1977: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 1978: /* Some URLs start //<foo> */
1979: path += 1;
1.94 cvs 1980: else if (IsFilePath (path))
1981: {
1982: /* doesn't need to do anything more */
1983: return;
1984: }
1.106 cvs 1985: else if (!strncmp (path, "news:", 5))
1.28 cvs 1986: {
1.106 cvs 1987: newptr = strchr (path+5, '@');
1.28 cvs 1988: if (!newptr)
1989: newptr = path + 5;
1990: while (*newptr)
1991: {
1992: /* Make group or host lower case */
1.123 vatton 1993: *newptr = tolower (*newptr);
1.28 cvs 1994: newptr++;
1.25 cvs 1995: }
1.28 cvs 1996: /* Doesn't need to do any more */
1997: return;
1.25 cvs 1998: }
1.130 cheyroul 1999:
1.126 cheyroul 2000:
1.28 cvs 2001: if ((p = path))
2002: {
1.106 cvs 2003: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
2004: (end = strchr (path, '#'))))
2005: end = path + strlen (path);
1.28 cvs 2006:
2007: /* Parse string second time to simplify */
2008: p = path;
2009: while (p < end)
2010: {
1.110 cvs 2011: /* if we're pointing to a char, it's safe to reactivate the
2012: ../ convertion */
1.106 cvs 2013: if (!ddot_simplify && *p != '.' && *p != used_sep)
1.77 cvs 2014: ddot_simplify = TRUE;
2015:
1.33 cvs 2016: if (*p==used_sep)
1.28 cvs 2017: {
1.106 cvs 2018: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
1.28 cvs 2019: {
2020: orig = p + 1;
1.84 cvs 2021: dest = (*(p+2) != used_sep) ? p+2 : p+3;
1.52 cvs 2022: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
1.28 cvs 2023: end = orig - 1;
2024: }
1.106 cvs 2025: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
1.77 cvs 2026: && (*(p+3) == used_sep || !*(p+3)))
1.28 cvs 2027: {
2028: newptr = p;
1.52 cvs 2029: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2030: if (*newptr == used_sep)
2031: orig = newptr + 1;
1.28 cvs 2032: else
1.52 cvs 2033: orig = newptr;
2034:
2035: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2036: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2037: end = orig-1;
2038: /* Start again with prev slash */
2039: p = newptr;
1.28 cvs 2040: }
1.33 cvs 2041: else if (*(p+1) == used_sep)
1.28 cvs 2042: {
1.33 cvs 2043: while (*(p+1) == used_sep)
1.28 cvs 2044: {
2045: orig = p;
2046: dest = p + 1;
2047: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2048: end = orig-1;
2049: }
2050: }
2051: else
1.25 cvs 2052: p++;
1.28 cvs 2053: }
2054: else
2055: p++;
1.25 cvs 2056: }
2057: }
1.51 cvs 2058: /*
2059: ** Check for host/../.. kind of things
2060: */
1.106 cvs 2061: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
1.77 cvs 2062: && (!*(path+3) || *(path+3) == used_sep))
1.106 cvs 2063: *(path+1) = EOS;
1.28 cvs 2064: return;
2065: }
2066:
2067:
2068: /*----------------------------------------------------------------------
1.96 cvs 2069: NormalizeFile normalizes local names.
1.28 cvs 2070: Return TRUE if target and src differ.
2071: ----------------------------------------------------------------------*/
1.106 cvs 2072: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2073: {
1.110 cvs 2074: #ifndef _WINDOWS
1.106 cvs 2075: char *s;
1.93 cvs 2076: int i;
1.110 cvs 2077: #endif /* !_WINDOWS */
1.82 cvs 2078: ThotBool change;
1.90 cvs 2079: int start_index; /* the first char that we'll copy */
1.28 cvs 2080:
1.54 cvs 2081: change = FALSE;
1.90 cvs 2082: start_index = 0;
2083:
1.106 cvs 2084: if (!src || src[0] == EOS)
1.96 cvs 2085: {
1.106 cvs 2086: target[0] = EOS;
1.96 cvs 2087: return FALSE;
2088: }
1.90 cvs 2089:
2090: /* @@ do I need file: or file:/ here? */
1.106 cvs 2091: if (strncmp (src, "file:", 5) == 0)
1.28 cvs 2092: {
1.90 cvs 2093: /* remove the prefix file: */
2094: start_index += 5;
2095:
2096: /* remove the localhost prefix */
1.106 cvs 2097: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
1.94 cvs 2098: start_index += 11;
2099:
2100: /* remove the first two slashes in / / /path */
2101: while (src[start_index] &&
1.106 cvs 2102: src[start_index] == '/'
2103: && src[start_index + 1] == '/')
1.94 cvs 2104: start_index++;
2105:
2106: #ifdef _WINDOWS
2107: /* remove any extra slash before the drive name */
1.106 cvs 2108: if (src[start_index] == '/'
2109: &&src[start_index+2] == ':')
1.94 cvs 2110: start_index++;
2111: #endif /* _WINDOWS */
1.90 cvs 2112:
1.106 cvs 2113: if (src[start_index] == EOS)
1.90 cvs 2114: /* if there's nothing afterwards, add a DIR_STR */
1.106 cvs 2115: strcpy (target, DIR_STR);
1.90 cvs 2116: else
1.97 cvs 2117: /* as we're inside a file: URL, we'll apply all the convertions
2118: we know */
2119: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
1.96 cvs 2120:
2121: change = TRUE;
2122: }
1.97 cvs 2123: else if (convertion != AM_CONV_NONE)
1.96 cvs 2124: {
2125: /* we are following a "local" relative link, we do all the
2126: convertions except for the HOME_DIR ~ one */
1.97 cvs 2127: CleanCopyFileURL (target, src, convertion);
1.28 cvs 2128: }
1.90 cvs 2129: #ifndef _WINDOWS
1.106 cvs 2130: else if (src[0] == '~')
1.53 cvs 2131: {
1.96 cvs 2132: /* it must be a URL typed in a text input field */
2133: /* do the HOME_DIR ~ substitution */
1.82 cvs 2134: s = TtaGetEnvString ("HOME");
1.106 cvs 2135: strcpy (target, s);
1.90 cvs 2136: #if 0
1.96 cvs 2137: /* JK: invalidated this part of the code as it's simpler
2138: to add the DIR_SEP whenever we have something to add
2139: to the path rather than adding it systematically */
1.106 cvs 2140: if (src[1] != DIR_SEP)
2141: strcat (target, DIR_STR);
1.90 cvs 2142: #endif
1.106 cvs 2143: i = strlen (target);
2144: strcpy (&target[i], &src[1]);
1.54 cvs 2145: change = TRUE;
1.53 cvs 2146: }
1.90 cvs 2147: #endif /* _WINDOWS */
1.28 cvs 2148: else
1.96 cvs 2149: /* leave it as it is */
1.106 cvs 2150: strcpy (target, src);
1.96 cvs 2151:
1.28 cvs 2152: /* remove /../ and /./ */
1.29 cvs 2153: SimplifyUrl (&target);
1.54 cvs 2154: if (!change)
1.106 cvs 2155: change = strcmp (src, target);
1.28 cvs 2156: return (change);
1.25 cvs 2157: }
2158:
1.28 cvs 2159:
1.25 cvs 2160: /*----------------------------------------------------------------------
1.31 cvs 2161: MakeRelativeURL: make relative name
1.25 cvs 2162:
1.28 cvs 2163: This function creates and returns a string which gives an expression of
2164: one address as related to another. Where there is no relation, an absolute
2165: address is retured.
1.25 cvs 2166:
1.28 cvs 2167: On entry,
1.25 cvs 2168: Both names must be absolute, fully qualified names of nodes
2169: (no fragment bits)
2170:
1.28 cvs 2171: On exit,
1.25 cvs 2172: The return result points to a newly allocated name which, if
2173: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2174: The caller is responsible for freeing the resulting name later.
2175: ----------------------------------------------------------------------*/
1.106 cvs 2176: char *MakeRelativeURL (char *aName, char *relatedName)
2177: {
2178: char *return_value;
2179: char result[MAX_LENGTH];
2180: char *p;
2181: char *q;
2182: char *after_access;
2183: char *last_slash = NULL;
2184: int slashes, levels, len;
1.110 cvs 2185: #ifdef _WINDOWS
1.44 cvs 2186: int ndx;
1.110 cvs 2187: #endif /* _WINDOWS */
1.44 cvs 2188:
1.29 cvs 2189: if (aName == NULL || relatedName == NULL)
2190: return (NULL);
2191:
2192: slashes = 0;
2193: after_access = NULL;
2194: p = aName;
2195: q = relatedName;
1.147 vatton 2196: len = 0;
2197: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2198: {
2199: /* Find extent of match */
1.106 cvs 2200: if (*p == ':')
1.146 cvs 2201: {
2202: after_access = p + 1;
1.147 vatton 2203: if (len == 1)
2204: /* it's a local Windows path like c:... */
2205: slashes++;
1.146 cvs 2206: }
1.28 cvs 2207: if (*p == DIR_SEP)
1.27 cvs 2208: {
1.29 cvs 2209: /* memorize the last slash position and count them */
1.27 cvs 2210: last_slash = p;
2211: slashes++;
1.25 cvs 2212: }
2213: }
2214:
1.31 cvs 2215: /* q, p point to the first non-matching character or zero */
1.106 cvs 2216: if (*q == EOS)
1.31 cvs 2217: {
2218: /* New name is a subset of the related name */
2219: /* exactly the right length */
1.106 cvs 2220: len = strlen (p);
2221: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2222: strcpy (return_value, p);
1.31 cvs 2223: }
2224: else if ((slashes < 2 && after_access == NULL)
2225: || (slashes < 3 && after_access != NULL))
2226: {
2227: /* Two names whitout common path */
2228: /* exactly the right length */
1.106 cvs 2229: len = strlen (aName);
2230: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2231: strcpy (return_value, aName);
1.31 cvs 2232: }
2233: else
2234: {
2235: /* Some path in common */
1.106 cvs 2236: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.31 cvs 2237: /* just the same server */
1.106 cvs 2238: strcpy (result, last_slash);
1.31 cvs 2239: else
2240: {
2241: levels= 0;
1.106 cvs 2242: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
1.31 cvs 2243: if (*q == DIR_SEP)
2244: levels++;
2245:
1.106 cvs 2246: result[0] = EOS;
1.31 cvs 2247: for (;levels; levels--)
1.106 cvs 2248: strcat (result, "../");
2249: strcat (result, last_slash+1);
1.31 cvs 2250: }
1.52 cvs 2251:
2252: if (!*result)
1.106 cvs 2253: strcat (result, "./");
1.52 cvs 2254:
1.31 cvs 2255: /* exactly the right length */
1.106 cvs 2256: len = strlen (result);
2257: if ((return_value = TtaGetMemory (len + 1)) != NULL)
2258: strcpy (return_value, result);
1.52 cvs 2259:
1.25 cvs 2260: }
1.110 cvs 2261: #ifdef _WINDOWS
1.106 cvs 2262: len = strlen (return_value);
1.44 cvs 2263: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2264: if (return_value[ndx] == '\\')
2265: return_value[ndx] = '/' ;
1.110 cvs 2266: #endif /* _WINDOWS */
1.29 cvs 2267: return (return_value);
1.24 cvs 2268: }
1.35 cvs 2269:
1.104 kahan 2270: /*----------------------------------------------------------------------
2271: AM_GetFileSize
2272: Returns TRUE and the filesize in the 2nd parameter.
2273: Otherwise, in case of a system error, returns FALSE, with a
2274: filesize of 0L.
2275: ---------------------------------------------------------------------*/
1.106 cvs 2276: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2277: {
1.106 cvs 2278: ThotFileHandle handle = ThotFile_BADHANDLE;
2279: ThotFileInfo info;
1.35 cvs 2280:
1.104 kahan 2281: *file_size = 0L;
2282: if (!TtaFileExist (filename))
2283: return FALSE;
2284:
2285: handle = TtaFileOpen (filename, ThotFile_READWRITE);
2286: if (handle == ThotFile_BADHANDLE)
2287: /* ThotFile_BADHANDLE */
2288: return FALSE;
2289: if (TtaFileStat (handle, &info) == 0)
2290: /* bad stat */
2291: info.size = 0L;
2292: TtaFileClose (handle);
2293: *file_size = (unsigned long) info.size;
2294: return TRUE;
2295: }
1.139 kahan 2296:
2297: /*----------------------------------------------------------------------
2298: AM_UseXHTMLMimeType
2299: Returns TRUE if the user has configured Amaya to use this MIME type,
2300: FALSE otherwise.
2301: ---------------------------------------------------------------------*/
2302: ThotBool AM_UseXHTMLMimeType (void)
2303: {
2304: ThotBool xhtml_mimetype;
2305:
2306: /* does the user wants to use the new MIME type? */
2307: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2308:
2309: return (xhtml_mimetype);
1.152 kahan 2310: }
2311:
1.154 kahan 2312:
2313: /********************************************
2314: The following routines were adapted from the GNU libc functions
2315: for generating a tmpnam.
2316: *********************************************/
2317:
2318: /* These are the characters used in temporary filenames. */
2319: static const char letters[] =
2320: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2321:
2322: /* Generate a temporary file name based on TMPL. TMPL must match the
2323: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2324: does not exist at the time of the call to __gen_tempname. TMPL is
2325: overwritten with the result.
2326:
2327: We use a clever algorithm to get hard-to-predict names. */
2328: void
2329: AM_gen_tempname (char *tmpl)
2330: {
2331: int len;
2332: char *XXXXXX;
2333: static uint64_t value;
2334: uint64_t random_time_bits;
2335: unsigned int count;
2336: int save_errno = errno;
2337: struct stat st;
2338:
2339: /* A lower bound on the number of temporary files to attempt to
2340: generate. The maximum total number of temporary file names that
2341: can exist for a given template is 62**6. It should never be
2342: necessary to try all these combinations. Instead if a reasonable
2343: number of names is tried (we define reasonable as 62**3) fail to
2344: give the system administrator the chance to remove the problems. */
2345: unsigned int attempts_min = 62 * 62 * 62;
2346:
2347: /* The number of times to attempt to generate a temporary file. To
2348: conform to POSIX, this must be no smaller than TMP_MAX. */
2349: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2350:
2351: len = strlen (tmpl);
2352: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2353: {
2354: /* @@ JK ? */
2355: errno = EINVAL;
2356: return;
2357: }
2358:
2359: /* This is where the Xs start. */
2360: XXXXXX = &tmpl[len - 6];
2361:
2362: /* Get some more or less random data. */
2363: #ifdef RANDOM_BITS
2364: RANDOM_BITS (random_time_bits);
2365: #else
2366: # if HAVE_GETTIMEOFDAY || _LIBC
2367: {
2368: struct timeval tv;
2369: gettimeofday (&tv, NULL);
2370: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2371: }
2372: # else
2373: random_time_bits = time (NULL);
2374: # endif
2375: #endif
2376: value += random_time_bits ^ getpid ();
2377:
2378: for (count = 0; count < attempts; value += 7777, ++count)
2379: {
2380: uint64_t v = value;
2381:
2382: /* Fill in the random bits. */
2383: XXXXXX[0] = letters[v % 62];
2384: v /= 62;
2385: XXXXXX[1] = letters[v % 62];
2386: v /= 62;
2387: XXXXXX[2] = letters[v % 62];
2388: v /= 62;
2389: XXXXXX[3] = letters[v % 62];
2390: v /= 62;
2391: XXXXXX[4] = letters[v % 62];
2392: v /= 62;
2393: XXXXXX[5] = letters[v % 62];
2394:
2395: /* This case is backward from the other three. AM_gen_tempname
2396: succeeds if __xstat fails because the name does not exist.
2397: Note the continue to bypass the common logic at the bottom
2398: of the loop. */
2399: if (stat (tmpl, &st) < 0)
2400: break;
2401:
2402: continue;
2403: }
2404:
2405: if (count == attempts || errno != ENOENT)
2406: tmpl[0] = EOS;
2407: else
2408: errno = save_errno;
2409:
2410: return;
2411: }
2412:
2413: #define JOSE 1
2414:
1.152 kahan 2415: /*-----------------------------------------------------------------------
2416: GetTempName
2417: Front end to the Unix tempnam function, which is independent of the
2418: value of the TMPDIR env value
2419: Returns a dynamically allocated string with a tempname. The user
2420: must free this memory.
2421: -----------------------------------------------------------------------*/
2422: char *GetTempName (const char *dir, const char *prefix)
2423: {
1.154 kahan 2424: #ifdef JOSE
2425:
2426: static char tmpbufmem[FILENAME_MAX];
2427: int len;
2428: int i;
2429:
1.155 cvs 2430: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2431: return NULL;
2432:
2433: /* make sure that the name is no bigger than FILENAME_MAX */
2434:
1.156 cvs 2435: len = strlen (dir);
2436: if (len + L_tmpnam > FILENAME_MAX)
1.154 kahan 2437: return NULL;
2438:
2439: /* copy the dir name, and add a DIR_SEP if it's missing */
2440: if (dir[strlen (dir) - 1] == DIR_SEP)
2441: strcpy (tmpbufmem, dir);
2442: else
1.156 cvs 2443: {
1.154 kahan 2444: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
1.156 cvs 2445: len++;
2446: }
1.154 kahan 2447:
1.156 cvs 2448: /* copy the prefix (no more than L_tmpnam chars, to respect posix). Save
2449: space for the 6 X and EOS chars that will become the random bits */
2450: if (prefix)
2451: {
2452: i = 0;
2453: while (prefix[i] != EOL && i < L_tmpnam - 8)
2454: tmpbufmem[len++] = prefix[i++];
2455: tmpbufmem[len] = EOS;
2456: }
2457:
2458: /* Add the 6 X chars */
2459: len = strlen (tmpbufmem);
2460: i = 0;
2461: while (i < 6)
2462: {
2463: tmpbufmem[len++] = 'X';
2464: i++;
2465: }
2466: tmpbufmem[len] = EOS;
1.154 kahan 2467:
2468: AM_gen_tempname (tmpbufmem);
2469:
2470: if (tmpbufmem[0] == EOS)
2471: return NULL;
2472: else
2473: return (TtaStrdup (tmpbufmem));
2474:
2475: #else
1.152 kahan 2476: char *tmpdir;
2477: char *tmp;
2478: char *name = NULL;
2479:
2480: /* save the value of TMPDIR */
2481: tmp = getenv (TMPDIR);
2482:
2483: if (tmp)
2484: {
2485: tmpdir = TtaStrdup (tmp);
2486: }
2487: else
2488: tmpdir = NULL;
2489:
2490: /* remove TMPDIR from the environment */
2491: if (tmpdir)
2492: {
2493: tmp = TtaGetMemory (strlen (tmpdir) + 2);
2494: sprintf (tmp, "%s=", TMPDIR);
2495: #ifdef _WINDOWS
2496: _putenv (tmp);
2497: #else
2498: putenv (tmp);
2499: #endif /* _WINDOWS */
2500: }
2501:
2502: /* create the tempname */
2503: #ifdef _WINDOWS
2504: /* Under Windows, _tempnam returns the same name until the file is created */
2505: {
2506: char *altprefix;
2507: name = tmpnam (NULL); /* get a possibly unique string */
2508: altprefix = TtaGetMemory(strlen (prefix) + strlen(name) + 1);
2509: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2510: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2511: TtaFreeMemory (altprefix);
2512: }
2513: #else
2514: name = tempnam (dir, prefix);
2515: #endif /* _WINDOWS */
2516:
2517: /* restore the value of TMPDIR */
2518: if (tmpdir)
2519: {
2520: #ifdef _WINDOWS
2521: _putenv (tmpdir);
2522: #else
2523: putenv (tmpdir);
2524: #endif /* _WINDOWS */
2525: /* Shouldn't be free (see man for putenv ()) */
2526: /* TtaFreeMemory (tmpdir); */
2527: }
2528: return (name);
1.154 kahan 2529: #endif
1.139 kahan 2530: }
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to AHTURLTools.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / Amaya / amaya