Annotation of Amaya/amaya/AHTURLTools.c, revision 1.198
1.7 cvs 1: /*
2: *
1.190 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2005
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: */
1.15 cvs 17: #define THOT_EXPORT extern
1.3 cvs 18: #include "amaya.h"
19:
1.8 cvs 20: #include "init_f.h"
21: #include "AHTURLTools_f.h"
1.100 kahan 22: #include "query_f.h"
1.8 cvs 23:
1.24 cvs 24: #define MAX_PRINT_URL_LENGTH 50
1.106 cvs 25: typedef struct _HTURI
26: {
1.195 vatton 27: char *access; /* Now known as "scheme" */
28: char *host;
29: char *absolute;
30: char *relative;
31: char *fragment;
1.29 cvs 32: } HTURI;
1.24 cvs 33:
1.175 cvs 34: #ifdef _WINDOWS
1.164 kahan 35: #ifndef PATH_MAX
1.163 cvs 36: #define PATH_MAX MAX_PATH
1.164 kahan 37: #endif
1.155 cvs 38: #define stat _stat
39: #define uint64_t unsigned __int64
40: #define getpid _getpid
1.175 cvs 41: #else /* _WINDOWS */
1.161 kahan 42: #if HAVE_STDINT_H
43: #include <stdint.h>
44: #endif /* HAVE_STDINT_H */
1.175 cvs 45: #endif /* _WINDOWS */
1.28 cvs 46:
47: /*----------------------------------------------------------------------
48: ConvertToLowerCase
49: Converts a string to lowercase.
50: ----------------------------------------------------------------------*/
1.124 vatton 51: void ConvertToLowerCase (char *string)
1.28 cvs 52: {
1.195 vatton 53: int i;
1.93 cvs 54:
1.195 vatton 55: if (!string)
56: return;
1.28 cvs 57:
1.195 vatton 58: for (i = 0; string[i] != EOS; i++)
59: string[i] = tolower (string[i]);
1.28 cvs 60: }
1.22 cvs 61:
1.8 cvs 62: /*----------------------------------------------------------------------
1.75 cvs 63: EscapeChar
64: writes the equivalent escape code of a char in a string
65: ----------------------------------------------------------------------*/
1.109 cvs 66: void EscapeChar (char *string, char c)
1.75 cvs 67: {
1.109 cvs 68: unsigned int i;
69:
1.195 vatton 70: i = (unsigned char) c & 0xFF;
71: sprintf (string, "%02x", i);
1.75 cvs 72: }
73:
74: /*----------------------------------------------------------------------
1.96 cvs 75: UnEscapeChar
76: writes the equivalent hex code to a %xx coded char
77: ----------------------------------------------------------------------*/
1.109 cvs 78: static char UnEscapeChar (char c)
1.96 cvs 79: {
1.195 vatton 80: return c >= '0' && c <= '9' ? c - '0'
81: : c >= 'A' && c <= 'F' ? c - 'A' + 10
82: : c - 'a' + 10; /* accept small letters just in case */
1.96 cvs 83: }
84:
85: /*----------------------------------------------------------------------
1.75 cvs 86: EscapeURL
87: Takes a URL and escapes all protected chars into
88: %xx sequences. Also, removes any leading white spaces
89: Returns either NULL or a new buffer, which must be freed by the caller
90: ----------------------------------------------------------------------*/
1.106 cvs 91: char *EscapeURL (const char *url)
92: {
93: char *buffer;
94: int buffer_len;
95: int buffer_free_mem;
96: char *ptr;
97: int new_chars;
1.75 cvs 98: void *status;
99:
100: if (url && *url)
101: {
1.106 cvs 102: buffer_free_mem = strlen (url) + 20;
1.171 gully 103: buffer = (char *)TtaGetMemory (buffer_free_mem + 1);
1.107 kahan 104: ptr = (char *) url;
1.75 cvs 105: buffer_len = 0;
106:
107: while (*ptr)
108: {
109: switch (*ptr)
110: {
111: /* put here below all the chars that need to
112: be escaped into %xx */
1.81 cvs 113: case 0x20: /* space */
1.195 vatton 114: /*case 0x26:*/ /* & */
1.140 kahan 115: case 0x27: /* antislash */
1.75 cvs 116: new_chars = 3;
117: break;
118:
119: default:
1.195 vatton 120: if ((unsigned char )*ptr > 127)
121: new_chars = 3;
122: else
123: new_chars = 1;
1.75 cvs 124: break;
125: }
126:
127: /* see if we need extra room in the buffer */
128: if (new_chars > buffer_free_mem)
129: {
1.76 cvs 130: buffer_free_mem = 20;
1.106 cvs 131: status = TtaRealloc (buffer, sizeof (char)
1.195 vatton 132: * (buffer_len + buffer_free_mem + 1));
1.75 cvs 133: if (status)
1.114 cvs 134: buffer = (char *) status;
1.106 cvs 135: else
1.195 vatton 136: {
137: /* @@ maybe we should do some other behavior here, like
138: freeing the buffer and return a void thing */
139: buffer[buffer_len] = EOS;
140: break;
141: }
1.75 cvs 142: }
1.195 vatton 143: /* escape the char */
144: if (new_chars == 3)
145: {
1.106 cvs 146: buffer[buffer_len] = '%';
1.75 cvs 147: EscapeChar (&buffer[buffer_len+1], *ptr);
148: }
1.140 kahan 149: else
150: buffer[buffer_len] = *ptr;
151:
152: /* update the status */
153: buffer_len += new_chars;
154: buffer_free_mem -= new_chars;
155: /* examine the next char */
156: ptr++;
157: }
158: buffer[buffer_len] = EOS;
159: }
160: else
161: buffer = NULL;
162:
163: return (buffer);
164: }
165:
166: /*----------------------------------------------------------------------
167: EscapeXML
168: Takes a string and escapes all protected chars into entity
169: sequences.
170: Returns either NULL or a new buffer, which must be freed by the caller
171: ----------------------------------------------------------------------*/
172: char *EscapeXML (const char *string)
173: {
174: char *buffer;
175: int buffer_len;
176: int buffer_free_mem;
177: char *ptr;
178: char *entity = NULL;
179: int new_chars;
180: void *status;
181:
182: if (string && *string)
183: {
184: buffer_free_mem = strlen (string) + 20;
1.171 gully 185: buffer = (char *)TtaGetMemory (buffer_free_mem + 1);
1.140 kahan 186: ptr = (char *) string;
187: buffer_len = 0;
188:
189: while (*ptr)
190: {
191: switch (*ptr)
192: {
1.195 vatton 193: case 0x26: /* & */
194: entity = "&";
195: new_chars = sizeof (entity) - 1;
196: break;
1.140 kahan 197:
1.195 vatton 198: case '<': /* < */
199: entity = "<";
200: new_chars = sizeof (entity) - 1;
201: break;
202:
203: case '>': /* > */
204: entity = ">";
205: new_chars = sizeof (entity) - 1;
206: break;
207:
208: case '"': /* "e; */
209: entity = ""e;";
210: new_chars = sizeof (entity) - 1;
211: break;
1.140 kahan 212:
213: default:
1.195 vatton 214: new_chars = 1;
1.140 kahan 215: break;
216: }
217:
218: /* see if we need extra room in the buffer */
219: if (new_chars > buffer_free_mem)
220: {
221: buffer_free_mem = 20;
222: status = TtaRealloc (buffer, sizeof (char)
1.195 vatton 223: * (buffer_len + buffer_free_mem + 1));
1.140 kahan 224: if (status)
225: buffer = (char *) status;
226: else
1.195 vatton 227: {
228: /* @@ maybe we should do some other behavior here, like
229: freeing the buffer and return a void thing */
230: buffer[buffer_len] = EOS;
231: break;
232: }
233: }
234: /* escape the char */
235: if (entity)
236: {
237: sprintf (&buffer[buffer_len], "%s", entity);
238: entity = NULL;
1.140 kahan 239: }
1.75 cvs 240: else
241: buffer[buffer_len] = *ptr;
242:
243: /* update the status */
244: buffer_len += new_chars;
245: buffer_free_mem -= new_chars;
246: /* examine the next char */
247: ptr++;
248: }
1.106 cvs 249: buffer[buffer_len] = EOS;
1.75 cvs 250: }
1.76 cvs 251: else
252: buffer = NULL;
253:
1.75 cvs 254: return (buffer);
1.122 kahan 255: }
256:
1.75 cvs 257:
258: /*----------------------------------------------------------------------
1.11 cvs 259: ExplodeURL
1.8 cvs 260: ----------------------------------------------------------------------*/
1.106 cvs 261: void ExplodeURL (char *url, char **proto, char **host, char **dir,
1.195 vatton 262: char **file)
1.8 cvs 263: {
1.195 vatton 264: char *curr, *temp;
265: char used_sep;
1.32 cvs 266:
1.195 vatton 267: if (url && strchr (url, URL_SEP))
268: used_sep = URL_SEP;
269: else
270: used_sep = DIR_SEP;
271:
272: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
273: (dir == NULL) || (file == NULL))
274: return;
1.8 cvs 275:
1.195 vatton 276: /* initialize every pointer */
277: *proto = *host = *dir = *file = NULL;
278:
279: /* skip any leading space */
280: while ((*url == SPACE) || (*url == TAB))
281: url++;
282: curr = url;
283: if (*curr == 0)
284: goto finished;
285:
286: /* go to the end of the URL */
287: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
288: (*curr != __CR__) && (*curr != EOL))
289: curr++;
290:
291: /* mark the end of the chain */
292: *curr = EOS;
293: curr--;
294: if (curr <= url)
295: goto finished;
296:
297: /* search the next DIR_SEP indicating the beginning of the file name */
298: do
299: curr--;
300: while ((curr >= url) && (*curr != used_sep));
301:
302: if (curr < url)
303: goto finished;
304: *file = curr + 1;
305:
306: /* mark the end of the dir */
307: *curr = EOS;
308: curr--;
309: if (curr < url)
310: goto finished;
311:
312: /* search for the DIR_STR indicating the host name start */
313: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
314: curr--;
315:
316: /* if we found it, separate the host name from the directory */
317: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
318: {
319: *host = temp = curr + 2;
320: while ((*temp != 0) && (*temp != used_sep))
321: temp++;
322: if (*temp == used_sep)
323: {
324: *temp = EOS;
325: *dir = temp + 1;
326: }
327: }
328: else
329: *dir = curr;
1.8 cvs 330:
1.195 vatton 331: if (curr <= url)
332: goto finished;
1.8 cvs 333:
1.195 vatton 334: /* mark the end of the proto */
335: *curr = EOS;
336: curr--;
337: if (curr < url)
338: goto finished;
1.8 cvs 339:
1.195 vatton 340: if (*curr == ':')
341: {
342: *curr = EOS;
1.9 cvs 343: curr--;
1.195 vatton 344: }
345: else
346: goto finished;
1.8 cvs 347:
1.195 vatton 348: if (curr < url)
349: goto finished;
350: while ((curr > url) && (isalpha (*curr)))
351: curr--;
352: *proto = curr;
1.8 cvs 353:
354: finished:;
355:
356: #ifdef AMAYA_DEBUG
1.195 vatton 357: fprintf (stderr, "ExplodeURL(%s)\n\t", url);
358: if (*proto)
359: fprintf (stderr, "proto : %s, ", *proto);
360: if (*host)
361: fprintf (stderr, "host : %s, ", *host);
362: if (*dir)
363: fprintf (stderr, "dir : %s, ", *dir);
364: if (*file)
365: fprintf (stderr, "file : %s ", *file);
366: fprintf (stderr, "\n");
1.8 cvs 367: #endif
368:
369: }
1.3 cvs 370:
1.116 kahan 371: /*----------------------------------------------------------------------
1.195 vatton 372: PicTypeToMime
373: Converts a Thot PicType into the equivalent MIME type. If no convertion
374: is possible, it returns NULL.
1.116 kahan 375: ----------------------------------------------------------------------*/
376: char *PicTypeToMIME (PicType contentType)
377: {
378: char *mime_type;
379:
380: switch (contentType)
381: {
1.179 vatton 382: case xbm_type:
383: mime_type ="image/x-xbitmap";
384: break;
1.116 kahan 385: case eps_type:
386: mime_type ="application/postscript";
387: break;
1.195 vatton 388: case xpm_type:
1.116 kahan 389: mime_type ="image/x-xpicmap";
1.195 vatton 390: break;
1.116 kahan 391: case gif_type:
392: mime_type ="image/gif";
393: break;
394: case jpeg_type:
395: mime_type ="image/jpeg";
396: break;
397: case png_type:
398: mime_type ="image/png";
399: break;
400: case svg_type:
1.165 cvs 401: mime_type = AM_SVG_MIME_TYPE;
402: break;
403: case html_type:
404: mime_type = AM_XHTML_MIME_TYPE;
405: break;
406: case mathml_type:
407: mime_type = AM_MATHML_MIME_TYPE;
1.116 kahan 408: break;
1.195 vatton 409: case unknown_type:
410: default:
411: mime_type = NULL;
412: }
1.116 kahan 413:
414: return mime_type;
415: }
1.61 cvs 416:
417: /*----------------------------------------------------------------------
1.195 vatton 418: ImageElement
419: Returns the element (image parameter) and URL (url parameter) of an
420: image in a docImage document. The user must free the memory associated
421: with the url parameter if the function is succesful.
422: If the url parameter is NULL, we won't initialize it.
423: Returns TRUE if succesful, FALSE otherwise.
1.117 kahan 424: ----------------------------------------------------------------------*/
425: ThotBool ImageElement (Document doc, char **url, Element *image)
426: {
427: Element el, imgEl;
428: Attribute attr, srcAttr;
429: AttributeType attrType;
430: int length;
1.176 vatton 431: char *utf8value;
1.117 kahan 432:
433: if (DocumentTypes[doc] != docImage)
434: return FALSE;
435:
436: /* find the value of the src attribute */
437: attrType.AttrSSchema = TtaGetSSchema ("HTML", doc);
438: attrType.AttrTypeNum = HTML_ATTR_SRC;
439: el = TtaGetRootElement (doc);
440: TtaSearchAttribute (attrType, SearchInTree, el, &imgEl, &srcAttr);
441:
442: if (!imgEl)
443: return FALSE;
444: *image = imgEl;
445:
1.120 kahan 446: if (url)
447: {
448: attr = TtaGetAttribute (imgEl, attrType);
449: length = TtaGetTextAttributeLength (srcAttr) + 1;
1.176 vatton 450: utf8value = (char *)TtaGetMemory (length);
451: TtaGiveTextAttributeValue (srcAttr, utf8value, &length);
452: *url = (char *)TtaConvertMbsToByte ((unsigned char *)utf8value,
1.195 vatton 453: TtaGetDefaultCharset ());
1.176 vatton 454: TtaFreeMemory (utf8value);
1.120 kahan 455: }
1.117 kahan 456: return TRUE;
457: }
458:
459: /*----------------------------------------------------------------------
1.195 vatton 460: DocImageMimeType
461: Returns the MIME type of a docImage document.
1.117 kahan 462: ----------------------------------------------------------------------*/
463: char *DocImageMimeType (Document doc)
464: {
465: char *mime_type;
466: LoadedImageDesc *pImage;
467: PicType type;
468: Element image;
469:
470: if (DocumentTypes[doc] != docImage)
471: return NULL;
472:
473: mime_type = NULL;
474: if (!IsHTTPPath (DocumentURLs[doc]))
475: {
476: /* it is a local image */
1.120 kahan 477: if (ImageElement (doc, NULL, &image))
1.195 vatton 478: {
479: type = TtaGetPictureType (image);
480: mime_type = PicTypeToMIME (type);
481: }
1.117 kahan 482: }
483: else
484: {
485: /* find the value of the src attribute */
486: pImage = ImageURLs;
487: while (pImage != NULL)
1.195 vatton 488: {
489: if (pImage->document == doc)
490: {
491: if (pImage->content_type)
492: mime_type = pImage->content_type;
493: else if (pImage->elImage && pImage->elImage->currentElement)
494: {
495: type = TtaGetPictureType (pImage->elImage->currentElement);
496: mime_type = PicTypeToMIME (type);
497: }
498: break;
499: }
500: }
1.117 kahan 501: }
502: return (mime_type);
503: }
504:
1.4 cvs 505: /*----------------------------------------------------------------------
1.9 cvs 506: IsHTMLName
507: returns TRUE if path points to an HTML resource.
1.4 cvs 508: ----------------------------------------------------------------------*/
1.109 cvs 509: ThotBool IsHTMLName (const char *path)
1.106 cvs 510: {
1.183 quint 511: char *temppath;
512: char *suffix;
1.136 cvs 513: char nsuffix[MAX_LENGTH];
514: int i;
1.5 cvs 515:
1.101 cvs 516: if (!path)
517: return (FALSE);
1.5 cvs 518:
1.183 quint 519: temppath = TtaStrdup ((char *)path);
520: suffix = (char *)TtaGetMemory (strlen (path) + 1);
1.124 vatton 521: TtaExtractSuffix (temppath, suffix);
1.101 cvs 522: i = 0;
1.106 cvs 523: while (suffix[i] != EOS)
1.101 cvs 524: {
525: /* Normalize the suffix */
526: i = 0;
1.106 cvs 527: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.195 vatton 528: {
529: nsuffix[i] = tolower (suffix[i]);
530: i++;
531: }
1.106 cvs 532: nsuffix[i] = EOS;
533: if (!strcmp (nsuffix, "html") ||
1.195 vatton 534: !strcmp (nsuffix, "htm") ||
535: !strcmp (nsuffix, "shtml") ||
1.197 vatton 536: !strcmp (nsuffix, "asp") ||
1.195 vatton 537: !strcmp (nsuffix, "jsp") ||
538: !strcmp (nsuffix, "tpl") ||
539: !strcmp (nsuffix, "xht") ||
540: !strcmp (nsuffix, "xhtm") ||
541: !strcmp (nsuffix, "lhtml") ||
542: !strcmp (nsuffix, "xhtml"))
543: {
544: TtaFreeMemory (temppath);
545: TtaFreeMemory (suffix);
546: return (TRUE);
547: }
1.106 cvs 548: else if (!strcmp (nsuffix, "gz"))
1.195 vatton 549: {
550: /* take into account compressed files */
551: TtaExtractSuffix (temppath, suffix);
552: /* Normalize the suffix */
553: i = 0;
554: while (suffix[i] != EOS && i < MAX_LENGTH -1)
555: {
556: nsuffix[i] = tolower (suffix[i]);
557: i++;
558: }
559: nsuffix[i] = EOS;
560: TtaFreeMemory (temppath);
561: TtaFreeMemory (suffix);
562: if (!strcmp (nsuffix, "html") ||
563: !strcmp (nsuffix, "htm") ||
564: !strcmp (nsuffix, "shtml") ||
1.197 vatton 565: !strcmp (nsuffix, "asp") ||
1.195 vatton 566: !strcmp (nsuffix, "jsp") ||
567: !strcmp (nsuffix, "tpl") ||
568: !strcmp (nsuffix, "xht") ||
569: !strcmp (nsuffix, "xhtm") ||
570: !strcmp (nsuffix, "lhtml") ||
571: !strcmp (nsuffix, "xhtml"))
572: return (TRUE);
573: else
574: return (FALSE);
575: }
1.101 cvs 576: else
1.195 vatton 577: /* check if there is another suffix */
578: TtaExtractSuffix (temppath, suffix);
1.101 cvs 579: }
1.183 quint 580: TtaFreeMemory (temppath);
581: TtaFreeMemory (suffix);
582: return (FALSE);
1.3 cvs 583: }
584:
1.4 cvs 585: /*----------------------------------------------------------------------
1.136 cvs 586: IsMathMLName
587: returns TRUE if path points to an MathML resource.
1.56 cvs 588: ----------------------------------------------------------------------*/
1.136 cvs 589: ThotBool IsMathMLName (const char *path)
1.56 cvs 590: {
1.195 vatton 591: char *temppath;
592: char *suffix;
593: ThotBool ret;
594:
595: if (!path)
596: return (FALSE);
597:
598: temppath = TtaStrdup ((char *)path);
599: suffix = (char *)TtaGetMemory (strlen (path) + 1);
600: TtaExtractSuffix (temppath, suffix);
601:
602: if (!strcasecmp (suffix, "mml"))
603: ret = TRUE;
604: else if (!strcmp (suffix, "gz"))
605: {
606: /* take into account compressed files */
607: TtaExtractSuffix (temppath, suffix);
608: if (!strcasecmp (suffix, "mml"))
609: ret = TRUE;
610: else
611: ret = FALSE;
612: }
613: else
614: ret = FALSE;
1.183 quint 615:
616: TtaFreeMemory (temppath);
617: TtaFreeMemory (suffix);
618: return (ret);
1.60 cvs 619: }
620:
621: /*----------------------------------------------------------------------
1.136 cvs 622: IsSVGName
623: returns TRUE if path points to an SVG resource.
1.133 vatton 624: ----------------------------------------------------------------------*/
1.136 cvs 625: ThotBool IsSVGName (const char *path)
1.133 vatton 626: {
1.195 vatton 627: char *temppath;
628: char *suffix;
629: ThotBool ret;
630:
631: if (!path)
632: return (FALSE);
633:
634: temppath = TtaStrdup ((char *)path);
635: suffix = (char *)TtaGetMemory (strlen (path) + 1);
636: TtaExtractSuffix (temppath, suffix);
637:
638: if (!strcasecmp (suffix, "svg") || !strcasecmp (suffix, "svgz"))
639: ret = TRUE;
640: else if (!strcmp (suffix, "gz"))
641: {
642: /* take into account compressed files */
643: TtaExtractSuffix (temppath, suffix);
644: if (!strcasecmp (suffix, "svg"))
645: ret = TRUE;
646: else
647: ret = FALSE;
648: }
649: else
650: ret = FALSE;
1.183 quint 651:
652: TtaFreeMemory (temppath);
653: TtaFreeMemory (suffix);
654: return (ret);
1.133 vatton 655: }
656:
657: /*----------------------------------------------------------------------
1.136 cvs 658: IsXMLName
659: returns TRUE if path points to an XML resource.
1.103 cvs 660: ----------------------------------------------------------------------*/
1.136 cvs 661: ThotBool IsXMLName (const char *path)
1.103 cvs 662: {
1.195 vatton 663: char *temppath;
664: char *suffix;
665: ThotBool ret;
666:
667: if (!path)
668: return (FALSE);
669:
670: temppath = TtaStrdup ((char *)path);
671: suffix = (char *)TtaGetMemory (strlen (path) + 1);
672: TtaExtractSuffix (temppath, suffix);
673:
674: if (!strcasecmp (suffix, "xml") ||
675: !strcasecmp (suffix, "xht") ||
1.197 vatton 676: !strcasecmp (suffix, "xtd") ||
1.195 vatton 677: !strcmp (suffix, "xhtm") ||
678: !strcmp (suffix, "xhtml") ||
679: !strcmp (suffix, "smi") ||
680: !strcmp (suffix, "zsl"))
681: ret = TRUE;
682: else if (!strcmp (suffix, "gz"))
683: {
684: /* take into account compressed files */
685: TtaExtractSuffix (temppath, suffix);
686: if (!strcasecmp (suffix, "xml") ||
687: !strcasecmp (suffix, "xht") ||
1.197 vatton 688: !strcasecmp (suffix, "xtd") ||
1.195 vatton 689: !strcmp (suffix, "xhtm") ||
690: !strcmp (suffix, "xhtml") ||
691: !strcmp (suffix, "smi") |
692: !strcmp (suffix, "xsl"))
693: ret = TRUE;
694: else
695: ret = FALSE;
696: }
697: else
698: ret = FALSE;
1.183 quint 699:
700: TtaFreeMemory (temppath);
701: TtaFreeMemory (suffix);
702: return (ret);
1.103 cvs 703: }
704:
705: /*----------------------------------------------------------------------
1.136 cvs 706: IsUndisplayedName
707: returns TRUE if path points to an undisplayed resource.
1.103 cvs 708: ----------------------------------------------------------------------*/
1.136 cvs 709: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 710: {
1.195 vatton 711: char *temppath;
712: char *suffix;
713: ThotBool ret;
714:
715: if (!path)
716: return (FALSE);
717:
718: temppath = TtaStrdup ((char *)path);
719: suffix = (char *)TtaGetMemory (strlen (path) + 1);
720: TtaExtractSuffix (temppath, suffix);
721:
722: if (!strcasecmp (suffix, "exe") ||
723: !strcasecmp (suffix, "zip") ||
724: !strcasecmp (suffix, "ppt") ||
725: !strcasecmp (suffix, "pdf") ||
726: !strcasecmp (suffix, "ps") ||
727: !strcasecmp (suffix, "eps") ||
728: !strcasecmp (suffix, "tar") ||
729: !strcasecmp (suffix, "tgz") ||
730: !strcasecmp (suffix, "ddl") ||
1.196 vatton 731: !strcasecmp (suffix, "deb") ||
732: !strcasecmp (suffix, "dmg") ||
1.195 vatton 733: !strcasecmp (suffix, "mpg") ||
734: !strcasecmp (suffix, "mpeg") ||
1.196 vatton 735: !strcasecmp (suffix, "rpm") ||
1.195 vatton 736: !strcasecmp (suffix, "wmv") ||
737: !strcasecmp (suffix, "wma") ||
738: !strcasecmp (suffix, "o"))
739: ret = TRUE;
740: else if (!strcmp (suffix, "gz"))
741: {
742: /* take into account compressed files */
743: TtaExtractSuffix (temppath, suffix);
744: if (!strcasecmp (suffix, "exe") ||
745: !strcasecmp (suffix, "zip") ||
746: !strcasecmp (suffix, "ppt") ||
747: !strcasecmp (suffix, "pdf") ||
748: !strcasecmp (suffix, "ps") ||
749: !strcasecmp (suffix, "eps") ||
750: !strcasecmp (suffix, "tar") ||
751: !strcasecmp (suffix, "ddl") ||
1.196 vatton 752: !strcasecmp (suffix, "dmg") ||
1.195 vatton 753: !strcasecmp (suffix, "mpg") ||
754: !strcasecmp (suffix, "mpeg") ||
755: !strcasecmp (suffix, "wmv") ||
756: !strcasecmp (suffix, "wma") ||
757: !strcasecmp (suffix, "o"))
758: ret = TRUE;
759: else
760: ret = FALSE;
761: }
762: else
763: ret = FALSE;
764:
765: TtaFreeMemory (temppath);
766: TtaFreeMemory (suffix);
767: return (ret);
1.103 cvs 768: }
769:
770: /*----------------------------------------------------------------------
1.60 cvs 771: IsCSSName
772: returns TRUE if path points to an XML resource.
773: ----------------------------------------------------------------------*/
1.111 cvs 774: ThotBool IsCSSName (const char *path)
1.60 cvs 775: {
1.195 vatton 776: char *temppath;
777: char *suffix;
778: ThotBool ret;
779:
780: if (!path)
781: return (FALSE);
782:
783: temppath = TtaStrdup ((char *)path);
784: suffix = (char *)TtaGetMemory (strlen (path) + 1);
785: TtaExtractSuffix (temppath, suffix);
786:
787: if (!strcasecmp (suffix, "css"))
788: ret = TRUE;
789: else if (!strcmp (suffix, "gz"))
790: {
791: /* take into account compressed files */
792: TtaExtractSuffix (temppath, suffix);
793: if (!strcasecmp (suffix, "css"))
794: ret = TRUE;
795: else
796: ret = FALSE;
797: }
798: else
799: ret = FALSE;
800:
801: TtaFreeMemory (temppath);
802: TtaFreeMemory (suffix);
803: return (ret);
1.56 cvs 804: }
805:
806: /*----------------------------------------------------------------------
1.177 kahan 807: MultipleBookmarks
808: returns the value of the multiple bookmarks environment variable.
809: (TRUE if enabled).
810: ----------------------------------------------------------------------*/
811: ThotBool MultipleBookmarks (void)
812: {
813: ThotBool multiple_bm;
814:
1.180 kahan 815: TtaGetEnvBoolean ("DISABLE_MULTIPLE_BM", &multiple_bm);
1.177 kahan 816:
1.180 kahan 817: return (multiple_bm == FALSE);
1.177 kahan 818: }
819:
820: /*----------------------------------------------------------------------
1.172 kahan 821: IsRDFName
822: returns TRUE if path points to an RDF resource.
823: ----------------------------------------------------------------------*/
824: ThotBool IsRDFName (const char *path)
825: {
1.195 vatton 826: char *temppath;
827: char *suffix;
828: ThotBool ret;
829:
830: /* temporarily disabling this function */
831: if (!MultipleBookmarks ())
832: return (FALSE);
833:
834: if (!path)
835: return (FALSE);
836:
837: temppath = TtaStrdup ((char *)path);
838: suffix = (char *)TtaGetMemory (strlen (path) + 1);
839: TtaExtractSuffix (temppath, suffix);
840:
841: if (!strcasecmp (suffix, "rdf"))
842: ret = TRUE;
843: else if (!strcmp (suffix, "gz"))
844: {
845: /* take into account compressed files */
846: TtaExtractSuffix (temppath, suffix);
847: if (!strcasecmp (suffix, "rdf"))
848: ret = TRUE;
849: else
850: ret = FALSE;
851: }
852: else
853: ret = FALSE;
1.183 quint 854:
1.195 vatton 855: TtaFreeMemory (temppath);
856: TtaFreeMemory (suffix);
857: return (ret);
1.172 kahan 858: }
859:
860: /*----------------------------------------------------------------------
1.9 cvs 861: IsImageName
862: returns TRUE if path points to an image resource.
1.4 cvs 863: ----------------------------------------------------------------------*/
1.111 cvs 864: ThotBool IsImageName (const char *path)
1.106 cvs 865: {
1.195 vatton 866: char *temppath;
867: char *suffix;
868: char nsuffix[MAX_LENGTH];
869: int i;
870: ThotBool ret;
871:
872: if (!path)
873: return (FALSE);
874:
875: temppath = TtaStrdup ((char *)path);
876: suffix = (char *)TtaGetMemory (strlen (path) + 1);
877: TtaExtractSuffix (temppath, suffix);
878:
879: /* Normalize the suffix */
880: i = 0;
881: while (suffix[i] != EOS && i < MAX_LENGTH -1)
882: {
883: nsuffix[i] = tolower (suffix[i]);
884: i++;
885: }
886: nsuffix[i] = EOS;
887: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
888: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
889: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
890: ret = TRUE;
891: else
892: ret = FALSE;
893:
894: TtaFreeMemory (temppath);
895: TtaFreeMemory (suffix);
896: return (ret);
1.3 cvs 897: }
898:
1.4 cvs 899: /*----------------------------------------------------------------------
1.58 cvs 900: IsImageType
901: returns TRUE if type points to an image resource.
902: ----------------------------------------------------------------------*/
1.111 cvs 903: ThotBool IsImageType (const char *type)
1.58 cvs 904: {
1.195 vatton 905: char *temptype;
906: int i;
907: ThotBool ret;
908:
909: if (!type)
910: return (FALSE);
911:
912: temptype = TtaStrdup ((char *)type);
913: /* Normalize the type */
914: i = 0;
915: while (temptype[i] != EOS)
916: {
917: temptype[i] = tolower (temptype[i]);
918: i++;
919: }
1.166 vatton 920: if (!strncmp (temptype, "image/", sizeof ("image/") - 1))
1.195 vatton 921: i = sizeof ("image/") - 1;
922: else
923: i = 0;
924: if (!strcmp (&temptype[i], "gif") ||
925: !strcmp (&temptype[i], "x-xbitmap") ||
926: !strcmp (&temptype[i], "x-xpixmap") ||
927: !strcmp (&temptype[i], "jpeg") ||
928: !strcmp (&temptype[i], "png"))
929: ret = TRUE;
930: else
931: ret = FALSE;
932: TtaFreeMemory (temptype);
933: return (ret);
1.58 cvs 934: }
935:
936: /*----------------------------------------------------------------------
1.9 cvs 937: IsTextName
1.4 cvs 938: ----------------------------------------------------------------------*/
1.111 cvs 939: ThotBool IsTextName (const char *path)
1.106 cvs 940: {
1.195 vatton 941: char *temppath;
942: char *suffix;
943: char nsuffix[MAX_LENGTH];
944: int i;
945: ThotBool ret;
946:
947: if (!path)
948: return (FALSE);
949:
950: temppath = TtaStrdup ((char *)path);
951: suffix = (char *)TtaGetMemory (strlen (path) + 1);
952: TtaExtractSuffix (temppath, suffix);
953:
954: /* Normalize the suffix */
955: i = 0;
956: while (suffix[i] != EOS && i < MAX_LENGTH -1)
957: {
958: nsuffix[i] = tolower (suffix[i]);
959: i++;
960: }
961: nsuffix[i] = EOS;
962:
963: if (!strcmp (nsuffix, "txt") ||
964: !strcmp (nsuffix, "dtd"))
965: ret = TRUE;
966: else if (!strcmp (nsuffix, "gz"))
967: {
968: /* take into account compressed files */
969: TtaExtractSuffix (temppath, suffix);
970: /* Normalize the suffix */
971: i = 0;
972: while (suffix[i] != EOS && i < MAX_LENGTH -1)
973: {
974: nsuffix[i] = tolower (suffix[i]);
975: i++;
976: }
977: nsuffix[i] = EOS;
978: if (!strcmp (nsuffix, "txt") ||
979: !strcmp (nsuffix, "dtd"))
980: ret = TRUE;
981: else
982: ret = FALSE;
983: }
984: else
985: ret = FALSE;
986:
987: TtaFreeMemory (temppath);
988: TtaFreeMemory (suffix);
989: return (ret);
1.3 cvs 990: }
991:
1.4 cvs 992: /*----------------------------------------------------------------------
1.9 cvs 993: IsHTTPPath
994: returns TRUE if path is in fact an http URL.
1.4 cvs 995: ----------------------------------------------------------------------*/
1.112 cvs 996: ThotBool IsHTTPPath (const char *path)
1.3 cvs 997: {
1.195 vatton 998: if (!path)
999: return FALSE;
1.3 cvs 1000:
1.195 vatton 1001: if ((!strncmp (path, "http:", 5) != 0)
1002: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
1003: || !strncmp (path, "internal:", 9))
1004: return TRUE;
1005: return FALSE;
1.3 cvs 1006: }
1007:
1.4 cvs 1008: /*----------------------------------------------------------------------
1.9 cvs 1009: IsWithParameters
1010: returns TRUE if url has a concatenated query string.
1.4 cvs 1011: ----------------------------------------------------------------------*/
1.133 vatton 1012: ThotBool IsWithParameters (const char *url)
1.3 cvs 1013: {
1.195 vatton 1014: int i;
1015:
1016: if ((!url) || (url[0] == EOS))
1017: return FALSE;
1.3 cvs 1018:
1.195 vatton 1019: i = strlen (url) - 1;
1020: while (i > 0 && url[i--] != '?')
1021: if (i < 0)
1.5 cvs 1022: return FALSE;
1.3 cvs 1023:
1.195 vatton 1024: /* There is a parameter */
1025: return TRUE;
1.3 cvs 1026: }
1027:
1.4 cvs 1028: /*----------------------------------------------------------------------
1.9 cvs 1029: IsW3Path
1030: returns TRUE if path is in fact a URL.
1.4 cvs 1031: ----------------------------------------------------------------------*/
1.133 vatton 1032: ThotBool IsW3Path (const char *path)
1.106 cvs 1033: {
1.170 quint 1034: if (path == NULL)
1035: return FALSE;
1.106 cvs 1036: if (strncmp (path, "http:", 5) &&
1037: strncmp (path, "ftp:", 4) &&
1038: strncmp (path, "telnet:", 7) &&
1039: strncmp (path, "wais:", 5) &&
1040: strncmp (path, "news:", 5) &&
1041: strncmp (path, "gopher:", 7) &&
1042: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 1043: strncmp (path, "archie:", 7) &&
1044: strncmp (path, "https:", 6))
1.72 cvs 1045: return FALSE;
1046: return TRUE;
1.3 cvs 1047: }
1048:
1.4 cvs 1049: /*----------------------------------------------------------------------
1.90 cvs 1050: IsFilePath
1051: returns TRUE if path is in fact a URL.
1052: ----------------------------------------------------------------------*/
1.133 vatton 1053: ThotBool IsFilePath (const char *path)
1.90 cvs 1054: {
1.106 cvs 1055: if (strncmp (path, "file:", 5))
1.90 cvs 1056: return FALSE;
1057: return TRUE;
1058: }
1059:
1060: /*----------------------------------------------------------------------
1.9 cvs 1061: IsValidProtocol
1062: returns true if the url protocol is supported by Amaya.
1.4 cvs 1063: ----------------------------------------------------------------------*/
1.133 vatton 1064: ThotBool IsValidProtocol (const char *url)
1.106 cvs 1065: {
1.195 vatton 1066: if (!strncmp (url, "http:", 5)
1.106 cvs 1067: || !strncmp (url, "internal:", 9)
1068: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.195 vatton 1069: /* experimental */
1070: /*** || !strncmp (path, "news:", 5)***/
1071: return (TRUE);
1072: else
1073: return (FALSE);
1.3 cvs 1074: }
1075:
1.31 cvs 1076:
1077: /*----------------------------------------------------------------------
1.195 vatton 1078: GetBaseURL
1079: normalizes orgName according to a base associated with doc, and
1080: following the standard URL format rules.
1081: The function returns the base used to solve relative URL and SRC:
1082: - the base of the document,
1083: - or the document path (without document name).
1.31 cvs 1084: ----------------------------------------------------------------------*/
1.106 cvs 1085: char *GetBaseURL (Document doc)
1.31 cvs 1086: {
1087: Element el;
1088: ElementType elType;
1089: AttributeType attrType;
1090: Attribute attr;
1.176 vatton 1091: char *ptr, *basename, *utf8path;
1.31 cvs 1092: int length;
1.151 kahan 1093: ThotBool hasDocBase;
1.31 cvs 1094:
1.113 cvs 1095: if (doc == 0 || !DocumentURLs[doc])
1.195 vatton 1096: return NULL;
1.148 kahan 1097: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.171 gully 1098: basename = (char *)TtaGetMemory (MAX_LENGTH);
1.148 kahan 1099: basename[0] = EOS;
1.31 cvs 1100: length = MAX_LENGTH -1;
1.151 kahan 1101: hasDocBase = FALSE;
1102:
1103: /* If the document has a base URL, it has a priority over the headers. */
1104: /* @@ We need to do this too when we support XML:base */
1105:
1106: /* is it a HTML document ? */
1107: elType.ElSSchema = TtaGetDocumentSSchema (doc);
1108: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
1109: /* it's a HTML document */
1110: {
1111: /* get the document element */
1112: el = TtaGetMainRoot (doc);
1113: /* search the BASE element */
1114: elType.ElTypeNum = HTML_EL_HEAD;
1115: el = TtaSearchTypedElement (elType, SearchForward, el);
1116: if (el)
1.195 vatton 1117: /* there is a HEAD element */
1118: {
1119: /* look for a BASE element within the HEAD */
1120: elType.ElTypeNum = HTML_EL_BASE;
1121: el = TtaSearchTypedElement (elType, SearchInTree, el);
1122: }
1.151 kahan 1123: if (el)
1.195 vatton 1124: {
1125: /* The document has a BASE element. Get the HREF attribute of the
1126: BASE element */
1127: hasDocBase = TRUE;
1128: attrType.AttrSSchema = elType.ElSSchema;
1129: attrType.AttrTypeNum = HTML_ATTR_HREF_;
1130: attr = TtaGetAttribute (el, attrType);
1131: if (attr)
1132: {
1133: /* Use the base path of the document */
1134: TtaGiveTextAttributeValue (attr, basename, &length);
1135: utf8path = (char *)TtaConvertMbsToByte ((unsigned char *)basename,
1136: TtaGetDefaultCharset ());
1137: strncpy (basename, utf8path, MAX_LENGTH-1);
1138: TtaFreeMemory (utf8path);
1139: }
1140: }
1.151 kahan 1141: }
1142:
1143: /* there was no BASE. Do we have a location header? */
1144: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 1145: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 1146: {
1.148 kahan 1147: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
1148: basename[MAX_LENGTH-1] = EOS;
1149: length = strlen (basename);
1150: }
1151:
1152: if (basename[0] != EOS)
1153: {
1154: /* base and orgName have to be separated by a DIR_SEP */
1155: length--;
1156: if (basename[0] != EOS && basename[length] != URL_SEP &&
1.195 vatton 1157: basename[length] != DIR_SEP)
1158: /* verify if the base has the form "protocol://server:port" */
1159: {
1160: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1161: AMAYA_PARSE_HOST |
1162: AMAYA_PARSE_PUNCTUATION);
1163: if (ptr && !strcmp (ptr, basename))
1164: {
1165: /* it has this form, complete it by adding a URL_STR */
1166: if (strchr (basename, DIR_SEP))
1167: strcat (basename, DIR_STR);
1168: else
1169: strcat (basename, URL_STR);
1170: length++;
1171: }
1172: else if (!ptr || ptr[0] == EOS)
1173: {
1174: /* no host was detected, we may have a relative URL. We test
1175: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1176: relative. */
1177: if (! (basename[0] == '.' || basename[0] == URL_SEP
1178: || basename[0] == DIR_SEP))
1179: basename[0] = EOS;
1180: }
1181: if (ptr)
1182: TtaFreeMemory (ptr);
1183: }
1.113 cvs 1184: }
1185:
1.148 kahan 1186: /* there was no base element and no location header, we use the DocumentURL */
1187: if (basename[0] == EOS)
1188: {
1189: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1190: basename[MAX_LENGTH-1] = EOS;
1191: }
1192:
1.31 cvs 1193: /* Remove anything after the last DIR_SEP char. If no such char is found,
1194: * then search for the first ":" char, hoping that what's before that is a
1195: * protocol. If found, end the string there. If neither char is found,
1196: * then discard the whole base element.
1197: */
1.106 cvs 1198: length = strlen (basename) - 1;
1.31 cvs 1199: /* search for the last DIR_SEP char */
1.106 cvs 1200: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1201: length--;
1202: if (length >= 0)
1203: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1204: basename[length + 1] = EOS;
1.31 cvs 1205: else
1206: /* search for the first PATH_STR char */
1207: {
1.106 cvs 1208: for (length = 0; basename[length] != ':' &&
1.195 vatton 1209: basename[length] != EOS; length ++);
1.106 cvs 1210: if (basename[length] == ':')
1.195 vatton 1211: /* found, so end the string there */
1212: basename[length + 1] = EOS;
1.31 cvs 1213: else
1.195 vatton 1214: /* not found, discard the base */
1215: basename[0] = EOS;
1.31 cvs 1216: }
1217: return (basename);
1218: }
1219:
1220:
1.4 cvs 1221: /*----------------------------------------------------------------------
1.195 vatton 1222: GetLocalPath
1223: Allocate and return the local document path associated to the url
1.40 cvs 1224: ----------------------------------------------------------------------*/
1.150 vatton 1225: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1226: {
1227: char *ptr;
1228: char *n;
1229: char *documentname;
1230: char url_sep;
1.83 cvs 1231: int len;
1.67 cvs 1232: ThotBool noFile;
1.40 cvs 1233:
1.153 vatton 1234: if (url)
1.40 cvs 1235: {
1236: /* check whether the file name exists */
1.106 cvs 1237: len = strlen (url) - 1;
1.71 cvs 1238: if (IsW3Path (url))
1.195 vatton 1239: url_sep = URL_SEP;
1.41 cvs 1240: else
1.195 vatton 1241: url_sep = DIR_SEP;
1.41 cvs 1242: noFile = (url[len] == url_sep);
1.40 cvs 1243: if (noFile)
1.195 vatton 1244: url[len] = EOS;
1.171 gully 1245: ptr = (char *)TtaGetMemory (MAX_LENGTH);
1246: documentname = (char *)TtaGetMemory (MAX_LENGTH);
1.78 cvs 1247: TtaExtractName (url, ptr, documentname);
1.106 cvs 1248: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1249: if (!TtaCheckDirectory (ptr))
1.195 vatton 1250: /* directory did not exist */
1251: TtaMakeDirectory (ptr);
1.47 cvs 1252:
1.153 vatton 1253: if (doc == 0)
1.195 vatton 1254: {
1255: n = strrchr (documentname, '.');
1256: if (n)
1257: *n = EOS;
1258: if (documentname[0] == EOS)
1259: strcpy (documentname, "noname");
1260: n = GetTempName (ptr, documentname);
1261: TtaFreeMemory (ptr);
1262: ptr = n;
1263: }
1.69 cvs 1264: else
1.195 vatton 1265: {
1266: /* don't include the query string within document name */
1267: n = strrchr (documentname, '?');
1268: if (n)
1269: *n = EOS;
1270: /* don't include ':' within document name */
1271: n = strchr (documentname, ':');
1272: if (n)
1273: *n = EOS;
1274: /* if after all this operations document name
1275: is empty, let's use noname.html instead */
1276: if (documentname[0] == EOS)
1277: strcat (ptr, "noname.html");
1278: else
1279: strcat (ptr, documentname);
1280: }
1.40 cvs 1281: TtaFreeMemory (documentname);
1.157 kahan 1282: /* substitute invalid chars in file names by a _ */
1.188 gully 1283: n = strrchr(ptr,DIR_SEP);
1.157 kahan 1284: while (*n)
1.195 vatton 1285: {
1286: if (*n == '*' || *n == ',')
1287: *n = '_';
1288: if ((unsigned char)*n >= 0x80) /* avoid non-ASCII */
1289: *n = 'A' + ((unsigned char)*n % 26);
1290: n++;
1291: }
1.40 cvs 1292: /* restore the url */
1293: if (noFile)
1.195 vatton 1294: url[len] = url_sep;
1.40 cvs 1295: return (ptr);
1296: }
1297: else
1298: return (NULL);
1299: }
1300:
1.73 cvs 1301: /*----------------------------------------------------------------------
1.195 vatton 1302: ExtractTarget extract the target name from document nane.
1.79 cvs 1303: ----------------------------------------------------------------------*/
1.150 vatton 1304: void ExtractTarget (char *aName, char *target)
1.79 cvs 1305: {
1.195 vatton 1306: long int lg, i;
1307: char *ptr;
1308: char *oldptr;
1309:
1310: if (!target || !aName)
1311: /* bad target */
1312: return;
1313:
1314: target[0] = EOS;
1315: lg = strlen (aName);
1316: if (lg)
1317: {
1318: /* the name is not empty */
1319: oldptr = ptr = &aName[0];
1320: do
1321: {
1322: ptr = strrchr (oldptr, '#');
1323: if (ptr)
1324: oldptr = &ptr[1];
1325: }
1326: while (ptr);
1327:
1328: i = (long int) (oldptr) - (long int) (aName); /* name length */
1329: if (i > 1)
1330: {
1331: aName[i - 1] = EOS;
1332: if (i != lg)
1333: strcpy (target, oldptr);
1334: }
1335: }
1.79 cvs 1336: }
1337:
1338: /*----------------------------------------------------------------------
1.195 vatton 1339: RemoveNewLines (text)
1340: Removes any '\n' chars that are found in text.
1341: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1342: ----------------------------------------------------------------------*/
1.106 cvs 1343: ThotBool RemoveNewLines (char *text)
1344: {
1345: ThotBool change = FALSE;
1346: char *src;
1347: char *dest;
1.90 cvs 1348:
1349: src = text;
1350: dest = text;
1.115 kahan 1351:
1352: /* remove any preceding whitespace */
1353: while (*src && *src == ' ')
1354: {
1355: src++;
1356: change = 1;
1357: }
1358:
1.90 cvs 1359: while (*src)
1360: {
1361: switch (*src)
1.195 vatton 1362: {
1363: case '\n':
1364: /* don't copy the newline */
1365: change = 1;
1366: break;
1367: default:
1368: *dest = *src;
1369: dest++;
1370: break;
1371: }
1.90 cvs 1372: src++;
1373: }
1374: /* copy the last EOS char */
1375: *dest = *src;
1376:
1377: return (change);
1378: }
1379:
1380: /*----------------------------------------------------------------------
1.195 vatton 1381: CleanCopyFileURL
1382: Copies a file url from a src string to destination string.
1383: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1384: we want to do).
1.90 cvs 1385: ----------------------------------------------------------------------*/
1.106 cvs 1386: static void CleanCopyFileURL (char *dest, char *src,
1.195 vatton 1387: ConvertionType convertion)
1.90 cvs 1388: {
1389: while (*src)
1.89 cvs 1390: {
1.90 cvs 1391: switch (*src)
1.195 vatton 1392: {
1.184 gully 1393: #ifdef _WINDOWS
1.195 vatton 1394: case URL_SEP:
1395: /* make DIR_SEP transformation */
1396: if (convertion & AM_CONV_URL_SEP)
1397: *dest = DIR_SEP;
1398: else
1399: *dest = *src;
1400: dest++;
1401: src++;
1402: break;
1.184 gully 1403: #endif /* _WINDOWS */
1.96 cvs 1404:
1.195 vatton 1405: case '%':
1406: if (convertion & AM_CONV_PERCENT)
1407: {
1408: /* (code adapted from libwww's HTUnEscape function */
1409: src++;
1410: if (*src != EOS)
1411: {
1412: *dest = UnEscapeChar (*src) * 16;
1413: src++;
1414: }
1415: if (*src != EOS)
1416: {
1417: *dest = *dest + UnEscapeChar (*src);
1418: src++;
1419: }
1420: dest++;
1421: }
1422: else
1423: {
1424: *dest = *src;
1425: dest++;
1426: src++;
1427: }
1428: break;
1429:
1430: default:
1431: *dest = *src;
1432: dest++;
1433: src++;
1434: break;
1435: }
1.89 cvs 1436: }
1.90 cvs 1437: /* copy the EOS char */
1438: *dest = *src;
1.73 cvs 1439: }
1.40 cvs 1440:
1441: /*----------------------------------------------------------------------
1.195 vatton 1442: NormalizeURL
1443: normalizes orgName according to a base associated with doc, and
1444: following the standard URL format rules.
1445: if doc is < 0, use as a base the URL of the document that contains
1446: (or contained) the elements that are now in the copy/cut buffer.
1447: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1448: other path.
1449: The function returns the new complete and normalized URL
1450: or file name path (newName) and the name of the document (docName).
1451: N.B. If the function can't find out what's the docName, it assigns
1452: the name "noname.html".
1.4 cvs 1453: ----------------------------------------------------------------------*/
1.106 cvs 1454: void NormalizeURL (char *orgName, Document doc, char *newName,
1.195 vatton 1455: char *docName, char *otherPath)
1.106 cvs 1456: {
1.195 vatton 1457: char *basename;
1458: char tempOrgName[MAX_LENGTH];
1459: char *ptr;
1460: char used_sep;
1461: int length;
1462: ThotBool check;
1.5 cvs 1463:
1.184 gully 1464: #ifdef _WINDOWS
1.195 vatton 1465: int ndx;
1.184 gully 1466: #endif /* _WINDOWS */
1.44 cvs 1467:
1.195 vatton 1468: if (!newName || !docName)
1469: return;
1470:
1471: if (doc < 0)
1472: basename = TtaStrdup (SavedDocumentURL);
1473: else if (doc > 0)
1474: basename = GetBaseURL (doc);
1475: else if (otherPath != NULL)
1476: basename = TtaStrdup (otherPath);
1477: else
1478: basename = NULL;
1479:
1480: /*
1481: * Clean orgName
1482: * Make sure we have a complete orgName, without any leading or trailing
1483: * white spaces, or trailinbg new lines
1484: */
1485: ptr = orgName;
1486: /* skip leading white space and new line characters */
1487: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1488: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1489: tempOrgName[MAX_LENGTH -1] = EOS;
1490: /*
1491: * Make orgName a complete URL
1492: * If the URL does not include a protocol, then try to calculate
1493: * one using the doc's base element (if it exists),
1494: */
1495: if (tempOrgName[0] == EOS)
1496: {
1497: newName[0] = EOS;
1498: docName[0] = EOS;
1499: TtaFreeMemory (basename);
1.5 cvs 1500: return;
1.195 vatton 1501: }
1502:
1503: /* clean trailing white space */
1504: length = strlen (tempOrgName) - 1;
1505: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1506: {
1507: tempOrgName[length] = EOS;
1508: length--;
1509: }
1.18 cvs 1510:
1.195 vatton 1511: /* remove extra dot (which dot???) */
1512: /* ugly, but faster than a strcmp */
1513: if (tempOrgName[length] == '.'
1514: && (length == 0 || tempOrgName[length-1] != '.'))
1515: tempOrgName[length] = EOS;
1516:
1517: if (IsW3Path (tempOrgName))
1518: {
1519: /* the name is complete, go to the Sixth Step */
1520: strcpy (newName, tempOrgName);
1521: SimplifyUrl (&newName);
1522: /* verify if the URL has the form "protocol://server:port" */
1523: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1524: AMAYA_PARSE_HOST |
1525: AMAYA_PARSE_PUNCTUATION);
1526: if (ptr && !strcmp (ptr, newName))
1527: /* it has this form, we complete it by adding a DIR_STR */
1528: strcat (newName, URL_STR);
1529:
1530: if (ptr)
1531: TtaFreeMemory (ptr);
1532: }
1533: else if (basename == NULL)
1534: /* the name is complete, go to the Sixth Step */
1535: strcpy (newName, tempOrgName);
1536: else
1537: {
1538: /* Calculate the absolute URL, using the base or document URL */
1.184 gully 1539: #ifdef _WINDOWS
1.195 vatton 1540: if (!IsW3Path (basename))
1541: {
1542: length = strlen (tempOrgName);
1543: for (ndx = 0; ndx < length; ndx++)
1544: if (tempOrgName [ndx] == '/')
1545: tempOrgName [ndx] = '\\';
1546: }
1.184 gully 1547: #endif /* _WINDOWS */
1.195 vatton 1548: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1549: if (ptr)
1550: {
1551: SimplifyUrl (&ptr);
1552: strcpy (newName, ptr);
1553: TtaFreeMemory (ptr);
1554: }
1555: else
1556: newName[0] = EOS;
1557: }
1558:
1559: TtaFreeMemory (basename);
1560: /*
1561: * Prepare the docname that will refer to this ressource in the
1562: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1563: * noname.html as a default ressource name
1.18 cvs 1564: */
1.195 vatton 1565: if (newName[0] != EOS)
1566: {
1567: length = strlen (newName) - 1;
1568: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1569: {
1570: used_sep = newName[length];
1571: check = TRUE;
1572: while (check)
1573: {
1574: length--;
1575: while (length >= 0 && newName[length] != used_sep)
1576: length--;
1577: if (!strncmp (&newName[length+1], "..", 2))
1578: {
1579: newName[length+1] = EOS;
1580: /* remove also previous directory */
1581: length--;
1582: while (length >= 0 && newName[length] != used_sep)
1583: length--;
1584: if (strncmp (&newName[length+1], "//", 2))
1585: /* don't remove server name */
1586: newName[length+1] = EOS;
1587: }
1588: else if (!strncmp (&newName[length+1], ".", 1))
1589: newName[length+1] = EOS;
1590: else
1591: check = FALSE;
1592: }
1593: /* docname was not comprised inside the URL, so let's */
1594: /* assign the default ressource name */
1595: strcpy (docName, "noname.html");
1596: }
1597: else
1598: { /* docname is comprised inside the URL */
1599: while (length >= 0 && newName[length] != URL_SEP &&
1600: newName[length] != DIR_SEP)
1601: length--;
1602: if (length < 0)
1603: strcpy (docName, newName);
1604: else
1605: strcpy (docName, &newName[length+1]);
1606: }
1607: }
1608: else
1609: docName[0] = EOS;
1.18 cvs 1610: }
1.3 cvs 1611:
1.4 cvs 1612: /*----------------------------------------------------------------------
1.9 cvs 1613: IsSameHost
1.4 cvs 1614: ----------------------------------------------------------------------*/
1.106 cvs 1615: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1616: {
1.106 cvs 1617: char *basename_ptr1, *basename_ptr2;
1618: ThotBool result;
1.3 cvs 1619:
1.106 cvs 1620: basename_ptr1 = AmayaParseUrl (url1, "",
1.195 vatton 1621: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.106 cvs 1622: basename_ptr2 = AmayaParseUrl (url2, "",
1.195 vatton 1623: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1624:
1.106 cvs 1625: if (strcmp (basename_ptr1, basename_ptr2))
1626: result = FALSE;
1627: else
1628: result = TRUE;
1629: TtaFreeMemory (basename_ptr1);
1630: TtaFreeMemory (basename_ptr2);
1631: return (result);
1.3 cvs 1632: }
1633:
1634:
1.4 cvs 1635: /*----------------------------------------------------------------------
1.22 cvs 1636: HasKnownFileSuffix
1637: returns TRUE if path points to a file ending with a suffix.
1638: ----------------------------------------------------------------------*/
1.153 vatton 1639: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1640: {
1.195 vatton 1641: char *root;
1642: char temppath[MAX_LENGTH];
1643: char suffix[MAX_LENGTH];
1644:
1645: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1646: return (FALSE);
1647:
1648: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1649:
1650: if (root)
1651: {
1652: strcpy (temppath, root);
1653: TtaFreeMemory (root);
1654: /* Get the suffix */
1655: TtaExtractSuffix (temppath, suffix);
1656:
1657: if( suffix[0] == EOS)
1658: /* no suffix */
1659: return (FALSE);
1660:
1661: /* Normalize the suffix */
1662: ConvertToLowerCase (suffix);
1663:
1664: if (!strcmp (suffix, "gz"))
1665: /* skip the compressed suffix */
1666: {
1667: TtaExtractSuffix (temppath, suffix);
1668: if(suffix[0] == EOS)
1669: /* no suffix */
1670: return (FALSE);
1671: /* Normalize the suffix */
1672: ConvertToLowerCase (suffix);
1673: }
1674:
1675: if (strcmp (suffix, "gif") &&
1676: strcmp (suffix, "xbm") &&
1677: strcmp (suffix, "xpm") &&
1678: strcmp (suffix, "jpg") &&
1679: strcmp (suffix, "pdf") &&
1680: strcmp (suffix, "png") &&
1681: strcmp (suffix, "tgz") &&
1682: strcmp (suffix, "xpg") &&
1683: strcmp (suffix, "xpd") &&
1684: strcmp (suffix, "ps") &&
1685: strcmp (suffix, "au") &&
1686: strcmp (suffix, "html") &&
1687: strcmp (suffix, "htm") &&
1688: strcmp (suffix, "shtml") &&
1689: strcmp (suffix, "xht") &&
1690: strcmp (suffix, "xhtm") &&
1691: strcmp (suffix, "xhtml") &&
1692: strcmp (suffix, "txt") &&
1693: strcmp (suffix, "css") &&
1694: strcmp (suffix, "eps"))
1695: return (FALSE);
1696: else
1697: return (TRUE);
1698: }
1699: else
1700: return (FALSE);
1.22 cvs 1701: }
1702:
1703:
1704: /*----------------------------------------------------------------------
1.24 cvs 1705: ChopURL
1706: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1707: If inputURL is bigger than that size, outputURL receives
1708: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1709: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1710: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1711: copied into outputURL.
1712: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1713: chars.
1714: ----------------------------------------------------------------------*/
1.106 cvs 1715: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1716: {
1717: int len;
1.9 cvs 1718:
1.106 cvs 1719: len = strlen (inputURL);
1.24 cvs 1720: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1721: strcpy (outputURL, inputURL);
1.24 cvs 1722: else
1723: /* make a truncated urlName on the status window */
1724: {
1.106 cvs 1725: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1726: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1727: strcat (outputURL, "...");
1728: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1729: }
1.25 cvs 1730: }
1731:
1732:
1733: /*----------------------------------------------------------------------
1.195 vatton 1734: scan
1735: Scan a filename for its constituents
1736: -----------------------------------
1737:
1738: On entry,
1739: name points to a document name which may be incomplete.
1740: On exit,
1741: absolute or relative may be nonzero (but not both).
1742: host, fragment and access may be nonzero if they were specified.
1743: Any which are nonzero point to zero terminated strings.
1.25 cvs 1744: ----------------------------------------------------------------------*/
1.106 cvs 1745: static void scan (char *name, HTURI *parts)
1.25 cvs 1746: {
1.106 cvs 1747: char * p;
1748: char * after_access = name;
1.32 cvs 1749:
1.43 cvs 1750: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1751: /* Look for fragment identifier */
1.106 cvs 1752: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1753: {
1.106 cvs 1754: *p++ = '\0';
1.28 cvs 1755: parts->fragment = p;
1.25 cvs 1756: }
1757:
1.28 cvs 1758: for (p=name; *p; p++)
1759: {
1.106 cvs 1760: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.195 vatton 1761: break;
1.106 cvs 1762: if (*p == ':')
1.195 vatton 1763: {
1764: *p = 0;
1765: parts->access = after_access; /* Scheme has been specified */
1766:
1767: /* The combination of gcc, the "-O" flag and the HP platform is
1768: unhealthy. The following three lines is a quick & dirty fix, but is
1769: not recommended. Rather, turn off "-O". */
1770:
1771: /* after_access = p;*/
1772: /* while (*after_access == 0)*/
1773: /* after_access++;*/
1774: after_access = p+1;
1775: if (!strcasecmp("URL", parts->access))
1776: /* Ignore IETF's URL: pre-prefix */
1777: parts->access = NULL;
1778: else
1779: break;
1780: }
1.25 cvs 1781: }
1782:
1.195 vatton 1783: p = after_access;
1784: if (*p == URL_SEP || *p == DIR_SEP)
1785: {
1786: if (p[1] == URL_SEP)
1787: {
1788: parts->host = p+2; /* host has been specified */
1789: *p = 0; /* Terminate access */
1790: /* look for end of host name if any */
1791: p = strchr (parts->host, URL_SEP);
1792: if (p)
1793: {
1794: *p = EOS; /* Terminate host */
1795: parts->absolute = p+1; /* Root has been found */
1796: }
1797: }
1798: else
1799: /* Root found but no host */
1800: parts->absolute = p+1;
1801: }
1802: else
1803: {
1804: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1805: }
1.25 cvs 1806: }
1807:
1808:
1809: /*----------------------------------------------------------------------
1.28 cvs 1810: AmayaParseUrl: parse a Name relative to another name
1811:
1812: This returns those parts of a name which are given (and requested)
1813: substituting bits from the related name where necessary.
1.25 cvs 1814:
1.28 cvs 1815: On entry,
1.195 vatton 1816: aName A filename given
1817: relatedName A name relative to which aName is to be parsed. Give
1818: it an empty string if aName is absolute.
1819: wanted A mask for the bits which are wanted.
1.25 cvs 1820:
1.28 cvs 1821: On exit,
1.195 vatton 1822: returns A pointer to a malloc'd string which MUST BE FREED
1.25 cvs 1823: ----------------------------------------------------------------------*/
1.106 cvs 1824: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1825: {
1826: char *return_value;
1827: char result[MAX_LENGTH];
1828: char name[MAX_LENGTH];
1829: char rel[MAX_LENGTH];
1830: char *p, *access;
1.29 cvs 1831: HTURI given, related;
1832: int len;
1.106 cvs 1833: char used_sep;
1834: char *used_str;
1.32 cvs 1835:
1.106 cvs 1836: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1837: {
1.106 cvs 1838: used_str = DIR_STR;
1839: used_sep = DIR_SEP;
1.33 cvs 1840: }
1.32 cvs 1841: else
1.33 cvs 1842: {
1.106 cvs 1843: used_str = URL_STR;
1844: used_sep = URL_SEP;
1.33 cvs 1845: }
1.32 cvs 1846:
1.29 cvs 1847: /* Make working copies of input strings to cut up: */
1848: return_value = NULL;
1849: result[0] = 0; /* Clear string */
1.169 quint 1850: rel[0] = EOS;
1851: strncpy (name, aName, MAX_LENGTH - 1);
1852: name[MAX_LENGTH - 1] = EOS;
1853: if (relatedName != NULL)
1854: {
1855: strncpy (rel, relatedName, MAX_LENGTH - 1);
1856: rel[MAX_LENGTH - 1] = EOS;
1857: }
1.29 cvs 1858: else
1.106 cvs 1859: relatedName[0] = EOS;
1.29 cvs 1860:
1861: scan (name, &given);
1862: scan (rel, &related);
1863: access = given.access ? given.access : related.access;
1864: if (wanted & AMAYA_PARSE_ACCESS)
1865: if (access)
1866: {
1.195 vatton 1867: strcat (result, access);
1868: if(wanted & AMAYA_PARSE_PUNCTUATION)
1869: strcat (result, ":");
1.29 cvs 1870: }
1871:
1872: if (given.access && related.access)
1873: /* If different, inherit nothing. */
1.106 cvs 1874: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1875: {
1.195 vatton 1876: related.host = 0;
1877: related.absolute = 0;
1878: related.relative = 0;
1879: related.fragment = 0;
1.29 cvs 1880: }
1881:
1882: if (wanted & AMAYA_PARSE_HOST)
1883: if(given.host || related.host)
1884: {
1.195 vatton 1885: if(wanted & AMAYA_PARSE_PUNCTUATION)
1886: strcat (result, "//");
1887: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1888: }
1889:
1890: if (given.host && related.host)
1891: /* If different hosts, inherit no path. */
1.106 cvs 1892: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1893: {
1.195 vatton 1894: related.absolute = 0;
1895: related.relative = 0;
1896: related.fragment = 0;
1.29 cvs 1897: }
1898:
1899: if (wanted & AMAYA_PARSE_PATH)
1900: {
1901: if (given.absolute)
1.195 vatton 1902: {
1903: /* All is given */
1904: if (wanted & AMAYA_PARSE_PUNCTUATION)
1905: strcat (result, used_str);
1906: strcat (result, given.absolute);
1907: }
1.29 cvs 1908: else if (related.absolute)
1.195 vatton 1909: {
1910: /* Adopt path not name */
1911: strcat (result, used_str);
1912: strcat (result, related.absolute);
1913: if (given.relative)
1914: {
1915: /* Search part? */
1916: p = strchr (result, '?');
1917: if (!p)
1918: p=result+strlen(result)-1;
1919: for (; *p!=used_sep; p--); /* last / */
1920: /* Remove filename */
1921: p[1]=0;
1922: /* Add given one */
1923: strcat (result, given.relative);
1924: }
1925: }
1.29 cvs 1926: else if (given.relative)
1.195 vatton 1927: /* what we've got */
1928: strcat (result, given.relative);
1.29 cvs 1929: else if (related.relative)
1.195 vatton 1930: strcat (result, related.relative);
1.29 cvs 1931: else
1.195 vatton 1932: /* No inheritance */
1933: strcat (result, used_str);
1.25 cvs 1934: }
1.29 cvs 1935:
1936: if (wanted & AMAYA_PARSE_ANCHOR)
1937: if (given.fragment || related.fragment)
1938: {
1.195 vatton 1939: if (given.absolute && given.fragment)
1940: {
1941: /*Fixes for relURLs...*/
1942: if (wanted & AMAYA_PARSE_PUNCTUATION)
1943: strcat (result, "#");
1944: strcat (result, given.fragment);
1945: }
1946: else if (!(given.absolute) && !(given.fragment))
1947: strcat (result, "");
1948: else
1949: {
1950: if (wanted & AMAYA_PARSE_PUNCTUATION)
1951: strcat (result, "#");
1952: strcat (result, given.fragment ? given.fragment : related.fragment);
1953: }
1.29 cvs 1954: }
1.106 cvs 1955: len = strlen (result);
1.171 gully 1956: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 1957: strcpy (return_value, result);
1.29 cvs 1958: return (return_value); /* exactly the right length */
1.25 cvs 1959: }
1960:
1961: /*----------------------------------------------------------------------
1.195 vatton 1962: HTCanon
1963: Canonicalizes the URL in the following manner starting from the host
1964: pointer:
1.25 cvs 1965:
1.195 vatton 1966: 1) The host name is converted to lowercase
1967: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1.25 cvs 1968:
1.195 vatton 1969: Return: OK The position of the current path part of the URL
1970: which might be the old one or a new one.
1.25 cvs 1971:
1972: ----------------------------------------------------------------------*/
1.106 cvs 1973: static char *HTCanon (char **filename, char *host)
1974: {
1.195 vatton 1975: char *newname = NULL;
1976: char used_sep;
1977: char *path;
1978: char *strptr;
1979: char *port;
1980: char *access = host-3;
1981:
1982: if (*filename && strchr (*filename, URL_SEP))
1983: used_sep = URL_SEP;
1984: else
1985: used_sep = DIR_SEP;
1986:
1987: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1988: access--;
1989: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1990: path = host + strlen (host);
1991: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1992: host = strptr;
1993: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1994: port = NULL;
1.25 cvs 1995:
1.195 vatton 1996: strptr = host; /* Convert to lower-case */
1997: while (strptr < path)
1998: {
1999: *strptr = tolower (*strptr);
2000: strptr++;
2001: }
2002:
2003: /* Does the URL contain a full domain name? This also works for a
2004: numerical host name. The domain name is already made lower-case
2005: and without a trailing dot. */
2006: {
2007: char *dot = port ? port : path;
2008: if (dot > *filename && *--dot == '.')
1.33 cvs 2009: {
1.195 vatton 2010: char *orig = dot;
2011: char *dest = dot + 1;
2012: while ((*orig++ = *dest++));
2013: if (port) port--;
2014: path--;
2015: }
2016: }
2017: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
2018: if (port)
2019: {
2020: if (!*(port+1) || *(port+1) == used_sep)
2021: {
2022: if (!newname)
2023: {
2024: char *orig = port;
2025: char *dest = port + 1;
2026: while ((*orig++ = *dest++));
2027: }
2028: }
2029: else if ((!strncmp (access, "http", 4) &&
2030: (*(port + 1) == '8' &&
2031: *(port+2) == '0' &&
2032: (*(port+3) == used_sep || !*(port + 3)))) ||
2033: (!strncmp (access, "gopher", 6) &&
2034: (*(port+1) == '7' &&
2035: *(port+2) == '0' &&
2036: (*(port+3) == used_sep || !*(port+3)))) ||
2037: (!strncmp (access, "ftp", 3) &&
2038: (*(port+1) == '2' &&
2039: *(port + 2) == '1' &&
2040: (*(port+3) == used_sep || !*(port+3))))) {
2041: if (!newname)
2042: {
2043: char *orig = port;
2044: char *dest = port + 3;
2045: while((*orig++ = *dest++));
2046: /* Update path position, Henry Minsky */
2047: path -= 3;
2048: }
1.33 cvs 2049: }
1.195 vatton 2050: else if (newname)
2051: strncat (newname, port, (int) (path - port));
1.25 cvs 2052: }
2053:
1.195 vatton 2054: if (newname)
2055: {
2056: char *newpath = newname + strlen (newname);
2057: strcat (newname, path);
2058: path = newpath;
2059: /* Free old copy */
2060: TtaFreeMemory(*filename);
2061: *filename = newname;
2062: }
2063: return path;
1.25 cvs 2064: }
2065:
2066:
2067: /*----------------------------------------------------------------------
1.29 cvs 2068: SimplifyUrl: simplify a URI
1.32 cvs 2069: A URI is allowed to contain the sequence xxx/../ which may be
2070: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 2071: Simplification helps us recognize duplicate URIs.
1.25 cvs 2072:
1.28 cvs 2073: Thus, /etc/junk/../fred becomes /etc/fred
1.195 vatton 2074: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 2075:
1.28 cvs 2076: but we should NOT change
1.195 vatton 2077: http://fred.xxx.edu/../..
1.25 cvs 2078:
1.195 vatton 2079: or ../../albert.html
1.25 cvs 2080:
1.28 cvs 2081: In order to avoid empty URLs the following URLs become:
1.25 cvs 2082:
1.195 vatton 2083: /fred/.. becomes /fred/..
2084: /fred/././.. becomes /fred/..
2085: /fred/.././junk/.././ becomes /fred/..
1.25 cvs 2086:
1.28 cvs 2087: If more than one set of `://' is found (several proxies in cascade) then
2088: only the part after the last `://' is simplified.
1.25 cvs 2089:
1.28 cvs 2090: Returns: A string which might be the old one or a new one.
1.25 cvs 2091: ----------------------------------------------------------------------*/
1.106 cvs 2092: void SimplifyUrl (char **url)
2093: {
2094: char *path;
2095: char *access;
2096: char *newptr;
2097: char *p;
2098: char *orig, *dest, *end;
1.28 cvs 2099:
1.106 cvs 2100: char used_sep;
1.77 cvs 2101: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
1.195 vatton 2102: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 2103:
1.28 cvs 2104: if (!url || !*url)
2105: return;
2106:
1.106 cvs 2107: if (strchr (*url, URL_SEP))
1.195 vatton 2108: used_sep = URL_SEP;
1.32 cvs 2109: else
1.195 vatton 2110: used_sep = DIR_SEP;
1.32 cvs 2111:
1.77 cvs 2112: /* should we simplify double dot? */
2113: path = *url;
1.106 cvs 2114: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 2115: ddot_simplify = FALSE;
2116: else
2117: ddot_simplify = TRUE;
2118:
1.28 cvs 2119: /* Find any scheme name */
1.106 cvs 2120: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 2121: {
2122: /* Find host name */
1.28 cvs 2123: access = *url;
1.123 vatton 2124: while (access < path && (*access = tolower (*access)))
1.195 vatton 2125: access++;
1.28 cvs 2126: path += 3;
1.106 cvs 2127: while ((newptr = strstr (path, "://")) != NULL)
1.195 vatton 2128: /* For proxies */
2129: path = newptr + 3;
2130: /* We have a host name */
1.84 cvs 2131: path = HTCanon (url, path);
1.25 cvs 2132: }
1.106 cvs 2133: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 2134: path += 2;
2135: else
2136: path = *url;
1.84 cvs 2137: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 2138: /* Some URLs start //<foo> */
2139: path += 1;
1.94 cvs 2140: else if (IsFilePath (path))
2141: {
2142: /* doesn't need to do anything more */
2143: return;
2144: }
1.106 cvs 2145: else if (!strncmp (path, "news:", 5))
1.28 cvs 2146: {
1.106 cvs 2147: newptr = strchr (path+5, '@');
1.28 cvs 2148: if (!newptr)
1.195 vatton 2149: newptr = path + 5;
1.28 cvs 2150: while (*newptr)
1.195 vatton 2151: {
2152: /* Make group or host lower case */
2153: *newptr = tolower (*newptr);
2154: newptr++;
2155: }
1.28 cvs 2156: /* Doesn't need to do any more */
2157: return;
1.25 cvs 2158: }
1.126 cheyroul 2159:
1.189 vatton 2160: /* remove initial multiple /'s */
2161: p = path - 1;
2162: if (path != *url && *p == used_sep && *path == used_sep)
2163: {
2164: while (*path == used_sep)
1.195 vatton 2165: {
2166: orig = path;
2167: dest = path + 1;
2168: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2169: end = orig-1;
2170: }
1.189 vatton 2171: }
2172:
2173: if (path)
1.28 cvs 2174: {
1.106 cvs 2175: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
1.195 vatton 2176: (end = strchr (path, '#'))))
2177: end = path + strlen (path);
1.28 cvs 2178:
2179: /* Parse string second time to simplify */
2180: p = path;
2181: while (p < end)
1.195 vatton 2182: {
2183: /* if we're pointing to a char, it's safe to reactivate the
2184: ../ convertion */
2185: if (!ddot_simplify && *p != '.' && *p != used_sep)
2186: ddot_simplify = TRUE;
2187:
2188: if (*p==used_sep)
2189: {
2190: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
2191: {
2192: orig = p + 1;
2193: dest = (*(p+2) != used_sep) ? p+2 : p+3;
2194: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
2195: end = orig - 1;
2196: }
2197: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
2198: && (*(p+3) == used_sep || !*(p+3)))
2199: {
2200: newptr = p;
2201: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2202: if (*newptr == used_sep)
2203: orig = newptr + 1;
2204: else
2205: orig = newptr;
2206:
2207: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2208: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2209: end = orig-1;
2210: /* Start again with prev slash */
2211: p = newptr;
2212: }
2213: else if (*(p+1) == used_sep)
2214: {
2215: while (*(p+1) == used_sep)
2216: {
2217: orig = p;
2218: dest = p + 1;
2219: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2220: end = orig-1;
2221: }
2222: }
2223: else
2224: p++;
2225: }
2226: else
2227: p++;
2228: }
2229: }
2230: /*
2231: ** Check for host/../.. kind of things
2232: */
2233: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
2234: && (!*(path+3) || *(path+3) == used_sep))
2235: *(path+1) = EOS;
1.28 cvs 2236: return;
2237: }
2238:
2239:
2240: /*----------------------------------------------------------------------
1.195 vatton 2241: NormalizeFile normalizes local names.
2242: Return TRUE if target and src differ.
1.28 cvs 2243: ----------------------------------------------------------------------*/
1.106 cvs 2244: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2245: {
1.195 vatton 2246: char *s;
2247: int i;
1.198 ! cvs 2248: int start_index; /* the first char that we'll copy */
1.195 vatton 2249: ThotBool change;
1.28 cvs 2250:
1.195 vatton 2251: change = FALSE;
2252: start_index = 0;
1.90 cvs 2253:
1.195 vatton 2254: if (!src || src[0] == EOS)
2255: {
2256: target[0] = EOS;
2257: return FALSE;
2258: }
2259:
2260: /* @@ do I need file: or file:/ here? */
2261: if (strncmp (src, "file:", 5) == 0)
2262: {
2263: /* remove the prefix file: */
2264: start_index += 5;
1.90 cvs 2265:
1.195 vatton 2266: /* remove the localhost prefix */
2267: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
2268: start_index += 11;
1.94 cvs 2269:
1.195 vatton 2270: /* remove the first two slashes in / / /path */
2271: while (src[start_index] &&
2272: src[start_index] == '/'
2273: && src[start_index + 1] == '/')
2274: start_index++;
1.94 cvs 2275:
1.184 gully 2276: #ifdef _WINDOWS
1.195 vatton 2277: /* remove any extra slash before the drive name */
2278: if (src[start_index] == '/'
2279: &&src[start_index+2] == ':')
2280: start_index++;
1.184 gully 2281: #endif /* _WINDOWS */
1.90 cvs 2282:
1.195 vatton 2283: if (src[start_index] == EOS)
2284: /* if there's nothing afterwards, add a DIR_STR */
2285: strcpy (target, DIR_STR);
2286: else
2287: /* as we're inside a file: URL, we'll apply all the convertions
2288: we know */
2289: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
2290:
2291: change = TRUE;
2292: }
2293: else if (convertion != AM_CONV_NONE)
2294: {
2295: /* we are following a "local" relative link, we do all the
2296: convertions except for the HOME_DIR ~ one */
2297: CleanCopyFileURL (target, src, convertion);
2298: }
1.198 ! cvs 2299: #ifdef _WINDOWS
! 2300: else if (src[0] == DIR_SEP && src[1] == DIR_SEP)
! 2301: {
! 2302: s = getenv ("HOMEDRIVE");
! 2303: strcpy (target, s);
! 2304: i = strlen (target);
! 2305: strcpy (&target[i], &src[1]);
! 2306: change = TRUE;
! 2307: }
! 2308: #else /* _WINDOWS */
1.195 vatton 2309: else if (src[0] == '~')
2310: {
2311: /* it must be a URL typed in a text input field */
2312: /* do the HOME_DIR ~ substitution */
2313: s = TtaGetEnvString ("HOME");
2314: strcpy (target, s);
2315: i = strlen (target);
2316: strcpy (&target[i], &src[1]);
2317: change = TRUE;
2318: }
1.184 gully 2319: #endif /* _WINDOWS */
1.195 vatton 2320: else
2321: /* leave it as it is */
2322: strcpy (target, src);
1.96 cvs 2323:
1.195 vatton 2324: /* remove /../ and /./ */
2325: SimplifyUrl (&target);
2326: if (!change)
2327: change = (strcmp (src, target) != 0);
2328: return (change);
1.25 cvs 2329: }
2330:
1.28 cvs 2331:
1.25 cvs 2332: /*----------------------------------------------------------------------
1.31 cvs 2333: MakeRelativeURL: make relative name
1.25 cvs 2334:
1.28 cvs 2335: This function creates and returns a string which gives an expression of
2336: one address as related to another. Where there is no relation, an absolute
2337: address is retured.
1.25 cvs 2338:
1.28 cvs 2339: On entry,
1.195 vatton 2340: Both names must be absolute, fully qualified names of nodes
2341: (no fragment bits)
1.25 cvs 2342:
1.28 cvs 2343: On exit,
1.195 vatton 2344: The return result points to a newly allocated name which, if
2345: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2346: The caller is responsible for freeing the resulting name later.
1.25 cvs 2347: ----------------------------------------------------------------------*/
1.106 cvs 2348: char *MakeRelativeURL (char *aName, char *relatedName)
2349: {
2350: char *return_value;
2351: char result[MAX_LENGTH];
2352: char *p;
2353: char *q;
2354: char *after_access;
2355: char *last_slash = NULL;
2356: int slashes, levels, len;
1.184 gully 2357: #ifdef _WINDOWS
1.44 cvs 2358: int ndx;
1.184 gully 2359: #endif /* _WINDOWS */
1.44 cvs 2360:
1.29 cvs 2361: if (aName == NULL || relatedName == NULL)
2362: return (NULL);
2363:
2364: slashes = 0;
2365: after_access = NULL;
2366: p = aName;
2367: q = relatedName;
1.147 vatton 2368: len = 0;
2369: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2370: {
2371: /* Find extent of match */
1.106 cvs 2372: if (*p == ':')
1.195 vatton 2373: {
2374: after_access = p + 1;
1.184 gully 2375: #ifdef _WINDOWS
1.195 vatton 2376: if (len == 1)
2377: {
2378: /* it's a local Windows path like c:... */
2379: slashes+=2;
2380: }
1.184 gully 2381: #endif /* _WINDOWS */
1.195 vatton 2382: }
1.168 cvs 2383: if (*p == DIR_SEP)
1.195 vatton 2384: {
2385: /* memorize the last slash position and count them */
2386: last_slash = p;
2387: slashes++;
2388: }
1.25 cvs 2389: }
2390:
1.31 cvs 2391: /* q, p point to the first non-matching character or zero */
1.106 cvs 2392: if (*q == EOS)
1.31 cvs 2393: {
2394: /* New name is a subset of the related name */
2395: /* exactly the right length */
1.106 cvs 2396: len = strlen (p);
1.171 gully 2397: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.195 vatton 2398: strcpy (return_value, p);
1.31 cvs 2399: }
2400: else if ((slashes < 2 && after_access == NULL)
1.195 vatton 2401: || (slashes < 3 && after_access != NULL))
2402: {
1.31 cvs 2403: /* Two names whitout common path */
2404: /* exactly the right length */
1.106 cvs 2405: len = strlen (aName);
1.171 gully 2406: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.195 vatton 2407: strcpy (return_value, aName);
1.31 cvs 2408: }
2409: else
2410: {
2411: /* Some path in common */
1.106 cvs 2412: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.195 vatton 2413: /* just the same server */
2414: strcpy (result, last_slash);
1.31 cvs 2415: else
1.195 vatton 2416: {
2417: levels= 0;
2418: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
2419: if (*q == DIR_SEP)
2420: levels++;
1.31 cvs 2421:
1.195 vatton 2422: result[0] = EOS;
2423: for (;levels; levels--)
2424: strcat (result, "../");
2425: strcat (result, last_slash+1);
2426: }
1.52 cvs 2427:
2428: if (!*result)
1.195 vatton 2429: strcat (result, "./");
1.52 cvs 2430:
1.31 cvs 2431: /* exactly the right length */
1.106 cvs 2432: len = strlen (result);
1.171 gully 2433: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.195 vatton 2434: strcpy (return_value, result);
1.52 cvs 2435:
1.25 cvs 2436: }
1.184 gully 2437: #ifdef _WINDOWS
1.106 cvs 2438: len = strlen (return_value);
1.195 vatton 2439: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2440: if (return_value[ndx] == '\\')
1.195 vatton 2441: return_value[ndx] = '/' ;
1.184 gully 2442: #endif /* _WINDOWS */
1.29 cvs 2443: return (return_value);
1.24 cvs 2444: }
1.35 cvs 2445:
1.104 kahan 2446: /*----------------------------------------------------------------------
2447: AM_GetFileSize
2448: Returns TRUE and the filesize in the 2nd parameter.
2449: Otherwise, in case of a system error, returns FALSE, with a
2450: filesize of 0L.
2451: ---------------------------------------------------------------------*/
1.106 cvs 2452: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2453: {
2454: if (!TtaFileExist (filename))
2455: return FALSE;
1.185 vatton 2456: *file_size = TtaGetFileSize (filename);
2457: return TRUE;
1.104 kahan 2458: }
1.139 kahan 2459:
2460: /*----------------------------------------------------------------------
2461: AM_UseXHTMLMimeType
2462: Returns TRUE if the user has configured Amaya to use this MIME type,
2463: FALSE otherwise.
2464: ---------------------------------------------------------------------*/
2465: ThotBool AM_UseXHTMLMimeType (void)
2466: {
2467: ThotBool xhtml_mimetype;
2468:
2469: /* does the user wants to use the new MIME type? */
2470: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2471:
2472: return (xhtml_mimetype);
1.152 kahan 2473: }
2474:
1.154 kahan 2475:
2476: /********************************************
2477: The following routines were adapted from the GNU libc functions
2478: for generating a tmpnam.
2479: *********************************************/
2480:
2481: /* These are the characters used in temporary filenames. */
2482: static const char letters[] =
2483: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2484:
2485: /* Generate a temporary file name based on TMPL. TMPL must match the
2486: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2487: does not exist at the time of the call to __gen_tempname. TMPL is
2488: overwritten with the result.
2489:
2490: We use a clever algorithm to get hard-to-predict names. */
2491: void
2492: AM_gen_tempname (char *tmpl)
2493: {
2494: int len;
2495: char *XXXXXX;
2496: static uint64_t value;
2497: uint64_t random_time_bits;
2498: unsigned int count;
2499: int save_errno = errno;
2500: struct stat st;
2501:
2502: /* A lower bound on the number of temporary files to attempt to
2503: generate. The maximum total number of temporary file names that
2504: can exist for a given template is 62**6. It should never be
2505: necessary to try all these combinations. Instead if a reasonable
2506: number of names is tried (we define reasonable as 62**3) fail to
2507: give the system administrator the chance to remove the problems. */
2508: unsigned int attempts_min = 62 * 62 * 62;
2509:
2510: /* The number of times to attempt to generate a temporary file. To
2511: conform to POSIX, this must be no smaller than TMP_MAX. */
2512: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2513:
2514: len = strlen (tmpl);
2515: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2516: {
2517: /* @@ JK ? */
2518: errno = EINVAL;
2519: return;
2520: }
2521:
2522: /* This is where the Xs start. */
2523: XXXXXX = &tmpl[len - 6];
2524:
2525: /* Get some more or less random data. */
2526: #ifdef RANDOM_BITS
2527: RANDOM_BITS (random_time_bits);
2528: #else
2529: # if HAVE_GETTIMEOFDAY || _LIBC
2530: {
2531: struct timeval tv;
2532: gettimeofday (&tv, NULL);
2533: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2534: }
2535: # else
2536: random_time_bits = time (NULL);
2537: # endif
2538: #endif
2539: value += random_time_bits ^ getpid ();
2540:
2541: for (count = 0; count < attempts; value += 7777, ++count)
2542: {
2543: uint64_t v = value;
2544:
2545: /* Fill in the random bits. */
2546: XXXXXX[0] = letters[v % 62];
2547: v /= 62;
2548: XXXXXX[1] = letters[v % 62];
2549: v /= 62;
2550: XXXXXX[2] = letters[v % 62];
2551: v /= 62;
2552: XXXXXX[3] = letters[v % 62];
2553: v /= 62;
2554: XXXXXX[4] = letters[v % 62];
2555: v /= 62;
2556: XXXXXX[5] = letters[v % 62];
2557:
2558: /* This case is backward from the other three. AM_gen_tempname
1.195 vatton 2559: succeeds if __xstat fails because the name does not exist.
2560: Note the continue to bypass the common logic at the bottom
2561: of the loop. */
1.154 kahan 2562: if (stat (tmpl, &st) < 0)
1.195 vatton 2563: break;
1.154 kahan 2564:
2565: continue;
2566: }
2567:
2568: if (count == attempts || errno != ENOENT)
2569: tmpl[0] = EOS;
2570: else
2571: errno = save_errno;
2572:
2573: return;
2574: }
2575:
2576: #define JOSE 1
2577:
1.152 kahan 2578: /*-----------------------------------------------------------------------
2579: GetTempName
2580: Front end to the Unix tempnam function, which is independent of the
2581: value of the TMPDIR env value
2582: Returns a dynamically allocated string with a tempname. The user
2583: must free this memory.
2584: -----------------------------------------------------------------------*/
2585: char *GetTempName (const char *dir, const char *prefix)
2586: {
1.154 kahan 2587: #ifdef JOSE
2588:
1.162 kahan 2589: static char tmpbufmem[PATH_MAX + 1];
1.154 kahan 2590: int len;
2591: int i;
2592:
1.155 cvs 2593: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2594: return NULL;
2595:
1.162 kahan 2596: /* make sure that the name is no bigger than PATH_MAX + the 6 tempname chars we
1.195 vatton 2597: will add */
1.154 kahan 2598:
1.156 cvs 2599: len = strlen (dir);
1.162 kahan 2600: if (len + 6 > PATH_MAX)
1.154 kahan 2601: return NULL;
2602:
2603: /* copy the dir name, and add a DIR_SEP if it's missing */
2604: if (dir[strlen (dir) - 1] == DIR_SEP)
2605: strcpy (tmpbufmem, dir);
2606: else
1.195 vatton 2607: {
2608: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
2609: len++;
2610: }
1.154 kahan 2611:
1.161 kahan 2612: /* copy the prefix (no more than L_tmpnam chars, to respect POSIX). Save
1.156 cvs 2613: space for the 6 X and EOS chars that will become the random bits */
2614: if (prefix)
1.195 vatton 2615: {
1.156 cvs 2616: i = 0;
1.195 vatton 2617: while (prefix[i] != EOS && i < L_tmpnam - 8)
2618: tmpbufmem[len++] = prefix[i++];
2619: tmpbufmem[len] = EOS;
2620: }
1.156 cvs 2621:
2622: /* Add the 6 X chars */
2623: len = strlen (tmpbufmem);
2624: i = 0;
2625: while (i < 6)
1.195 vatton 2626: {
2627: tmpbufmem[len++] = 'X';
2628: i++;
2629: }
1.156 cvs 2630: tmpbufmem[len] = EOS;
1.154 kahan 2631:
2632: AM_gen_tempname (tmpbufmem);
2633:
2634: if (tmpbufmem[0] == EOS)
2635: return NULL;
2636: else
2637: return (TtaStrdup (tmpbufmem));
2638:
2639: #else
1.152 kahan 2640: char *tmpdir;
1.181 vatton 2641: char *tmp = NULL;
1.152 kahan 2642: char *name = NULL;
2643:
2644: /* save the value of TMPDIR */
1.181 vatton 2645: tmpdir = getenv ("TMPDIR");
1.152 kahan 2646: if (tmpdir)
2647: {
1.181 vatton 2648: /* remove TMPDIR from the environment */
2649: tmp = TtaGetMemory (strlen (tmpdir) + 20);
2650: sprintf (tmp, "TMPDIR=");
1.184 gully 2651: #ifdef _WINDOWS
1.152 kahan 2652: _putenv (tmp);
2653: #else
2654: putenv (tmp);
1.184 gully 2655: #endif /* _WINDOWS */
1.181 vatton 2656: /* prepare the string to restore the value of TMPDIR */
2657: strrcat (tmp, tmpdir);
1.152 kahan 2658: }
2659:
2660: /* create the tempname */
1.184 gully 2661: #ifdef _WINDOWS
1.152 kahan 2662: /* Under Windows, _tempnam returns the same name until the file is created */
2663: {
2664: char *altprefix;
2665: name = tmpnam (NULL); /* get a possibly unique string */
1.181 vatton 2666: altprefix = TtaGetMemory (strlen (prefix) + strlen(name) + 1);
1.152 kahan 2667: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2668: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2669: TtaFreeMemory (altprefix);
2670: }
2671: #else
2672: name = tempnam (dir, prefix);
1.184 gully 2673: #endif /* _WINDOWS */
1.152 kahan 2674:
2675: if (tmpdir)
2676: {
1.181 vatton 2677: /* restore the value of TMPDIR */
1.184 gully 2678: #ifdef _WINDOWS
1.152 kahan 2679: _putenv (tmpdir);
2680: #else
2681: putenv (tmpdir);
1.184 gully 2682: #endif /* _WINDOWS */
1.181 vatton 2683: TtaFreeMemory (tmpdir);
1.152 kahan 2684: }
2685: return (name);
1.154 kahan 2686: #endif
1.139 kahan 2687: }
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