Annotation of Amaya/amaya/AHTURLTools.c, revision 1.182
1.7 cvs 1: /*
2: *
1.176 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2004
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: {
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: {
53: int i;
1.93 cvs 54:
1.28 cvs 55: if (!string)
56: return;
57:
1.106 cvs 58: for (i = 0; string[i] != EOS; i++)
1.123 vatton 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:
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: {
1.106 cvs 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 */
1.143 vatton 114: /*case 0x26:*/ /* & */
1.140 kahan 115: case 0x27: /* antislash */
1.75 cvs 116: new_chars = 3;
117: break;
118:
119: default:
1.122 kahan 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)
1.75 cvs 132: * (buffer_len + buffer_free_mem + 1));
133: if (status)
1.114 cvs 134: buffer = (char *) status;
1.106 cvs 135: else
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: }
143: /* escape the char */
1.140 kahan 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: {
193: case 0x26: /* & */
194: entity = "&";
1.141 kahan 195: new_chars = sizeof (entity) - 1;
196: break;
1.140 kahan 197:
1.141 kahan 198: case '<': /* < */
1.140 kahan 199: entity = "<";
1.141 kahan 200: new_chars = sizeof (entity) - 1;
1.140 kahan 201: break;
202:
1.141 kahan 203: case '>': /* > */
1.140 kahan 204: entity = ">";
1.141 kahan 205: new_chars = sizeof (entity) - 1;
206: break;
207:
208: case '"': /* "e; */
209: entity = ""e;";
210: new_chars = sizeof (entity) - 1;
1.140 kahan 211: break;
212:
213: default:
214: new_chars = 1;
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)
223: * (buffer_len + buffer_free_mem + 1));
224: if (status)
225: buffer = (char *) status;
226: else
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;
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,
262: char **file)
1.8 cvs 263: {
1.33 cvs 264: char *curr, *temp;
265: char used_sep;
1.32 cvs 266:
1.33 cvs 267: if (url && strchr (url, URL_SEP))
268: used_sep = URL_SEP;
269: else
270: used_sep = DIR_SEP;
1.8 cvs 271:
272: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
273: (dir == NULL) || (file == NULL))
274: return;
275:
276: /* initialize every pointer */
277: *proto = *host = *dir = *file = NULL;
278:
279: /* skip any leading space */
280: while ((*url == SPACE) || (*url == TAB))
281: url++;
1.9 cvs 282: curr = url;
283: if (*curr == 0)
1.8 cvs 284: goto finished;
285:
286: /* go to the end of the URL */
1.68 cvs 287: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
288: (*curr != __CR__) && (*curr != EOL))
1.9 cvs 289: curr++;
1.8 cvs 290:
291: /* mark the end of the chain */
1.9 cvs 292: *curr = EOS;
293: curr--;
294: if (curr <= url)
1.8 cvs 295: goto finished;
296:
297: /* search the next DIR_SEP indicating the beginning of the file name */
298: do
1.11 cvs 299: curr--;
1.33 cvs 300: while ((curr >= url) && (*curr != used_sep));
1.11 cvs 301:
1.9 cvs 302: if (curr < url)
1.8 cvs 303: goto finished;
1.9 cvs 304: *file = curr + 1;
1.8 cvs 305:
306: /* mark the end of the dir */
1.9 cvs 307: *curr = EOS;
308: curr--;
309: if (curr < url)
1.8 cvs 310: goto finished;
311:
1.29 cvs 312: /* search for the DIR_STR indicating the host name start */
1.33 cvs 313: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
1.9 cvs 314: curr--;
1.8 cvs 315:
316: /* if we found it, separate the host name from the directory */
1.102 kahan 317: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
1.8 cvs 318: {
1.9 cvs 319: *host = temp = curr + 2;
1.33 cvs 320: while ((*temp != 0) && (*temp != used_sep))
1.8 cvs 321: temp++;
1.33 cvs 322: if (*temp == used_sep)
1.8 cvs 323: {
324: *temp = EOS;
325: *dir = temp + 1;
326: }
327: }
328: else
1.11 cvs 329: *dir = curr;
330:
1.9 cvs 331: if (curr <= url)
1.8 cvs 332: goto finished;
333:
334: /* mark the end of the proto */
1.9 cvs 335: *curr = EOS;
336: curr--;
337: if (curr < url)
1.8 cvs 338: goto finished;
339:
1.106 cvs 340: if (*curr == ':')
1.8 cvs 341: {
1.9 cvs 342: *curr = EOS;
343: curr--;
1.8 cvs 344: }
345: else
346: goto finished;
1.11 cvs 347:
1.9 cvs 348: if (curr < url)
1.8 cvs 349: goto finished;
1.9 cvs 350: while ((curr > url) && (isalpha (*curr)))
351: curr--;
352: *proto = curr;
1.8 cvs 353:
354: finished:;
355:
356: #ifdef AMAYA_DEBUG
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");
367: #endif
368:
369: }
1.3 cvs 370:
1.116 kahan 371: /*----------------------------------------------------------------------
372: PicTypeToMime
373: Converts a Thot PicType into the equivalent MIME type. If no convertion
374: is possible, it returns NULL.
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;
388: case xpm_type:
389: mime_type ="image/x-xpicmap";
390: break;
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;
409: case unknown_type:
410: default:
411: mime_type = NULL;
412: }
413:
414: return mime_type;
415: }
1.61 cvs 416:
417: /*----------------------------------------------------------------------
1.117 kahan 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
1.120 kahan 421: with the url parameter if the function is succesful.
422: If the url parameter is NULL, we won't initialize it.
1.117 kahan 423: Returns TRUE if succesful, FALSE otherwise.
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,
453: TtaGetDefaultCharset ());
454: TtaFreeMemory (utf8value);
1.120 kahan 455: }
1.117 kahan 456: return TRUE;
457: }
458:
459: /*----------------------------------------------------------------------
460: DocImageMimeType
461: Returns the MIME type of a docImage document.
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))
1.117 kahan 478: {
479: type = TtaGetPictureType (image);
480: mime_type = PicTypeToMIME (type);
481: }
482: }
483: else
484: {
485: /* find the value of the src attribute */
486: pImage = ImageURLs;
487: while (pImage != NULL)
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: }
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: {
1.136 cvs 511: char temppath[MAX_LENGTH];
512: char suffix[MAX_LENGTH];
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:
1.106 cvs 519: strcpy (temppath, path);
1.124 vatton 520: TtaExtractSuffix (temppath, suffix);
1.101 cvs 521: i = 0;
1.106 cvs 522: while (suffix[i] != EOS)
1.101 cvs 523: {
524: /* Normalize the suffix */
525: i = 0;
1.106 cvs 526: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 527: {
1.123 vatton 528: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 529: i++;
530: }
1.106 cvs 531: nsuffix[i] = EOS;
532: if (!strcmp (nsuffix, "html") ||
533: !strcmp (nsuffix, "htm") ||
534: !strcmp (nsuffix, "shtml") ||
535: !strcmp (nsuffix, "jsp") ||
1.159 vatton 536: !strcmp (nsuffix, "tpl") ||
1.106 cvs 537: !strcmp (nsuffix, "xht") ||
538: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 539: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 540: !strcmp (nsuffix, "xhtml"))
1.101 cvs 541: return (TRUE);
1.106 cvs 542: else if (!strcmp (nsuffix, "gz"))
1.101 cvs 543: {
544: /* take into account compressed files */
1.124 vatton 545: TtaExtractSuffix (temppath, suffix);
1.101 cvs 546: /* Normalize the suffix */
547: i = 0;
1.106 cvs 548: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.101 cvs 549: {
1.123 vatton 550: nsuffix[i] = tolower (suffix[i]);
1.101 cvs 551: i++;
552: }
1.106 cvs 553: nsuffix[i] = EOS;
554: if (!strcmp (nsuffix, "html") ||
555: !strcmp (nsuffix, "htm") ||
556: !strcmp (nsuffix, "shtml") ||
557: !strcmp (nsuffix, "jsp") ||
1.159 vatton 558: !strcmp (nsuffix, "tpl") ||
1.106 cvs 559: !strcmp (nsuffix, "xht") ||
560: !strcmp (nsuffix, "xhtm") ||
1.144 cvs 561: !strcmp (nsuffix, "lhtml") ||
1.106 cvs 562: !strcmp (nsuffix, "xhtml"))
1.101 cvs 563: return (TRUE);
564: else
565: return (FALSE);
566: }
567: else
568: /* check if there is another suffix */
1.124 vatton 569: TtaExtractSuffix (temppath, suffix);
1.101 cvs 570: }
1.88 cvs 571: return (FALSE);
1.3 cvs 572: }
573:
1.4 cvs 574: /*----------------------------------------------------------------------
1.136 cvs 575: IsMathMLName
576: returns TRUE if path points to an MathML resource.
1.56 cvs 577: ----------------------------------------------------------------------*/
1.136 cvs 578: ThotBool IsMathMLName (const char *path)
1.56 cvs 579: {
1.136 cvs 580: char temppath[MAX_LENGTH];
581: char suffix[MAX_LENGTH];
1.56 cvs 582:
583: if (!path)
584: return (FALSE);
585:
1.106 cvs 586: strcpy (temppath, path);
1.124 vatton 587: TtaExtractSuffix (temppath, suffix);
1.56 cvs 588:
1.136 cvs 589: if (!strcasecmp (suffix, "mml"))
1.56 cvs 590: return (TRUE);
1.106 cvs 591: else if (!strcmp (suffix, "gz"))
1.56 cvs 592: {
593: /* take into account compressed files */
1.124 vatton 594: TtaExtractSuffix (temppath, suffix);
1.136 cvs 595: if (!strcasecmp (suffix, "mml"))
1.60 cvs 596: return (TRUE);
597: else
598: return (FALSE);
599: }
600: else
601: return (FALSE);
602: }
603:
604: /*----------------------------------------------------------------------
1.136 cvs 605: IsSVGName
606: returns TRUE if path points to an SVG resource.
1.133 vatton 607: ----------------------------------------------------------------------*/
1.136 cvs 608: ThotBool IsSVGName (const char *path)
1.133 vatton 609: {
1.136 cvs 610: char temppath[MAX_LENGTH];
611: char suffix[MAX_LENGTH];
1.133 vatton 612:
613: if (!path)
614: return (FALSE);
615:
616: strcpy (temppath, path);
617: TtaExtractSuffix (temppath, suffix);
618:
1.158 vatton 619: if (!strcasecmp (suffix, "svg") || !strcasecmp (suffix, "svgz"))
1.133 vatton 620: return (TRUE);
621: else if (!strcmp (suffix, "gz"))
622: {
623: /* take into account compressed files */
624: TtaExtractSuffix (temppath, suffix);
1.136 cvs 625: if (!strcasecmp (suffix, "svg"))
1.133 vatton 626: return (TRUE);
627: else
628: return (FALSE);
629: }
630: else
631: return (FALSE);
632: }
633:
634: /*----------------------------------------------------------------------
1.136 cvs 635: IsXMLName
636: returns TRUE if path points to an XML resource.
1.103 cvs 637: ----------------------------------------------------------------------*/
1.136 cvs 638: ThotBool IsXMLName (const char *path)
1.103 cvs 639: {
1.136 cvs 640: char temppath[MAX_LENGTH];
641: char suffix[MAX_LENGTH];
1.103 cvs 642:
643: if (!path)
644: return (FALSE);
645:
1.106 cvs 646: strcpy (temppath, path);
1.124 vatton 647: TtaExtractSuffix (temppath, suffix);
1.103 cvs 648:
1.136 cvs 649: if (!strcasecmp (suffix, "xml") ||
650: !strcasecmp (suffix, "xht") ||
651: !strcmp (suffix, "xhtm") ||
1.145 kahan 652: !strcmp (suffix, "xhtml") ||
1.182 ! vatton 653: !strcmp (suffix, "smi") ||
! 654: !strcmp (suffix, "zsl"))
1.103 cvs 655: return (TRUE);
1.106 cvs 656: else if (!strcmp (suffix, "gz"))
1.103 cvs 657: {
658: /* take into account compressed files */
1.124 vatton 659: TtaExtractSuffix (temppath, suffix);
1.136 cvs 660: if (!strcasecmp (suffix, "xml") ||
661: !strcasecmp (suffix, "xht") ||
662: !strcmp (suffix, "xhtm") ||
1.145 kahan 663: !strcmp (suffix, "xhtml") ||
1.182 ! vatton 664: !strcmp (suffix, "smi") |
! 665: !strcmp (suffix, "xsl"))
1.103 cvs 666: return (TRUE);
667: else
668: return (FALSE);
669: }
670: else
671: return (FALSE);
672: }
673:
674: /*----------------------------------------------------------------------
1.136 cvs 675: IsUndisplayedName
676: returns TRUE if path points to an undisplayed resource.
1.103 cvs 677: ----------------------------------------------------------------------*/
1.136 cvs 678: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 679: {
1.106 cvs 680: char temppath[MAX_LENGTH];
681: char suffix[MAX_LENGTH];
1.103 cvs 682:
683: if (!path)
684: return (FALSE);
685:
1.106 cvs 686: strcpy (temppath, path);
1.124 vatton 687: TtaExtractSuffix (temppath, suffix);
1.103 cvs 688:
1.136 cvs 689: if (!strcasecmp (suffix, "exe") ||
690: !strcasecmp (suffix, "zip") ||
691: !strcasecmp (suffix, "ppt") ||
692: !strcasecmp (suffix, "pdf") ||
693: !strcasecmp (suffix, "ps") ||
694: !strcasecmp (suffix, "eps") ||
695: !strcasecmp (suffix, "tar") ||
696: !strcasecmp (suffix, "tgz") ||
697: !strcasecmp (suffix, "ddl") ||
698: !strcasecmp (suffix, "o"))
1.103 cvs 699: return (TRUE);
1.106 cvs 700: else if (!strcmp (suffix, "gz"))
1.103 cvs 701: {
702: /* take into account compressed files */
1.124 vatton 703: TtaExtractSuffix (temppath, suffix);
1.136 cvs 704: if (!strcasecmp (suffix, "exe") ||
705: !strcasecmp (suffix, "zip") ||
706: !strcasecmp (suffix, "ppt") ||
707: !strcasecmp (suffix, "pdf") ||
708: !strcasecmp (suffix, "ps") ||
709: !strcasecmp (suffix, "eps") ||
710: !strcasecmp (suffix, "tar") ||
711: !strcasecmp (suffix, "ddl") ||
712: !strcasecmp (suffix, "o"))
1.103 cvs 713: return (TRUE);
714: else
715: return (FALSE);
716: }
717: else
718: return (FALSE);
719: }
720:
721: /*----------------------------------------------------------------------
1.60 cvs 722: IsCSSName
723: returns TRUE if path points to an XML resource.
724: ----------------------------------------------------------------------*/
1.111 cvs 725: ThotBool IsCSSName (const char *path)
1.60 cvs 726: {
1.106 cvs 727: char temppath[MAX_LENGTH];
728: char suffix[MAX_LENGTH];
1.60 cvs 729:
730: if (!path)
731: return (FALSE);
732:
1.106 cvs 733: strcpy (temppath, path);
1.124 vatton 734: TtaExtractSuffix (temppath, suffix);
1.60 cvs 735:
1.106 cvs 736: if (!strcasecmp (suffix, "css"))
1.60 cvs 737: return (TRUE);
1.106 cvs 738: else if (!strcmp (suffix, "gz"))
1.60 cvs 739: {
740: /* take into account compressed files */
1.124 vatton 741: TtaExtractSuffix (temppath, suffix);
1.106 cvs 742: if (!strcasecmp (suffix, "css"))
1.56 cvs 743: return (TRUE);
744: else
745: return (FALSE);
746: }
747: else
748: return (FALSE);
749: }
750:
751: /*----------------------------------------------------------------------
1.177 kahan 752: MultipleBookmarks
753: returns the value of the multiple bookmarks environment variable.
754: (TRUE if enabled).
755: ----------------------------------------------------------------------*/
756: ThotBool MultipleBookmarks (void)
757: {
758: ThotBool multiple_bm;
759:
1.180 kahan 760: TtaGetEnvBoolean ("DISABLE_MULTIPLE_BM", &multiple_bm);
1.177 kahan 761:
1.180 kahan 762: return (multiple_bm == FALSE);
1.177 kahan 763: }
764:
765: /*----------------------------------------------------------------------
1.172 kahan 766: IsRDFName
767: returns TRUE if path points to an RDF resource.
768: ----------------------------------------------------------------------*/
769: ThotBool IsRDFName (const char *path)
770: {
771: char temppath[MAX_LENGTH];
772: char suffix[MAX_LENGTH];
773:
1.177 kahan 774: /* temporarily disabling this function */
775: if (!MultipleBookmarks ())
776: return FALSE;
777:
1.172 kahan 778: if (!path)
779: return (FALSE);
780:
781: strcpy (temppath, path);
782: TtaExtractSuffix (temppath, suffix);
783:
784: if (!strcasecmp (suffix, "rdf"))
785: return (TRUE);
786: else if (!strcmp (suffix, "gz"))
787: {
788: /* take into account compressed files */
789: TtaExtractSuffix (temppath, suffix);
790: if (!strcasecmp (suffix, "rdf"))
791: return (TRUE);
792: else
793: return (FALSE);
794: }
795: else
796: return (FALSE);
797: }
798:
799: /*----------------------------------------------------------------------
1.9 cvs 800: IsImageName
801: returns TRUE if path points to an image resource.
1.4 cvs 802: ----------------------------------------------------------------------*/
1.111 cvs 803: ThotBool IsImageName (const char *path)
1.106 cvs 804: {
805: char temppath[MAX_LENGTH];
806: char suffix[MAX_LENGTH];
807: char nsuffix[MAX_LENGTH];
1.5 cvs 808: int i;
809:
810: if (!path)
1.13 cvs 811: return (FALSE);
1.5 cvs 812:
1.106 cvs 813: strcpy (temppath, path);
1.124 vatton 814: TtaExtractSuffix (temppath, suffix);
1.5 cvs 815:
816: /* Normalize the suffix */
817: i = 0;
1.106 cvs 818: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 819: {
1.123 vatton 820: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 821: i++;
822: }
1.106 cvs 823: nsuffix[i] = EOS;
824: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
825: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
826: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
1.39 cvs 827: return (TRUE);
828: return (FALSE);
1.3 cvs 829: }
830:
1.4 cvs 831: /*----------------------------------------------------------------------
1.58 cvs 832: IsImageType
833: returns TRUE if type points to an image resource.
834: ----------------------------------------------------------------------*/
1.111 cvs 835: ThotBool IsImageType (const char *type)
1.58 cvs 836: {
1.106 cvs 837: char temptype[MAX_LENGTH];
1.58 cvs 838: int i;
839:
840: if (!type)
841: return (FALSE);
842:
1.106 cvs 843: strcpy (temptype, type);
1.58 cvs 844: /* Normalize the type */
845: i = 0;
1.106 cvs 846: while (temptype[i] != EOS)
1.58 cvs 847: {
848: temptype[i] = tolower (temptype[i]);
849: i++;
850: }
1.166 vatton 851: if (!strncmp (temptype, "image/", sizeof ("image/") - 1))
852: i = sizeof ("image/") - 1;
853: else
854: i = 0;
855: if (!strcmp (&temptype[i], "gif") || !strcmp (&temptype[i], "x-xbitmap") ||
856: !strcmp (&temptype[i], "x-xpixmap") || !strcmp (&temptype[i], "jpeg") ||
857: !strcmp (&temptype[i], "png"))
1.58 cvs 858: return (TRUE);
859: return (FALSE);
860: }
861:
862: /*----------------------------------------------------------------------
1.9 cvs 863: IsTextName
1.4 cvs 864: ----------------------------------------------------------------------*/
1.111 cvs 865: ThotBool IsTextName (const char *path)
1.106 cvs 866: {
867: char temppath[MAX_LENGTH];
868: char suffix[MAX_LENGTH];
869: char nsuffix[MAX_LENGTH];
1.5 cvs 870: int i;
871:
872: if (!path)
1.13 cvs 873: return (FALSE);
1.5 cvs 874:
1.106 cvs 875: strcpy (temppath, path);
1.124 vatton 876: TtaExtractSuffix (temppath, suffix);
1.5 cvs 877:
878: /* Normalize the suffix */
879: i = 0;
1.106 cvs 880: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.5 cvs 881: {
1.25 cvs 882: nsuffix[i] = tolower (suffix[i]);
1.5 cvs 883: i++;
884: }
1.106 cvs 885: nsuffix[i] = EOS;
1.5 cvs 886:
1.111 cvs 887: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 888: return (TRUE);
1.106 cvs 889: else if (!strcmp (nsuffix, "gz"))
1.13 cvs 890: {
1.39 cvs 891: /* take into account compressed files */
1.124 vatton 892: TtaExtractSuffix (temppath, suffix);
1.13 cvs 893: /* Normalize the suffix */
894: i = 0;
1.106 cvs 895: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 896: {
1.25 cvs 897: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 898: i++;
899: }
1.106 cvs 900: nsuffix[i] = EOS;
1.111 cvs 901: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 902: return (TRUE);
903: else
904: return (FALSE);
905: }
906: else
907: return (FALSE);
1.3 cvs 908: }
909:
1.4 cvs 910: /*----------------------------------------------------------------------
1.9 cvs 911: IsHTTPPath
912: returns TRUE if path is in fact an http URL.
1.4 cvs 913: ----------------------------------------------------------------------*/
1.112 cvs 914: ThotBool IsHTTPPath (const char *path)
1.3 cvs 915: {
1.5 cvs 916: if (!path)
917: return FALSE;
1.3 cvs 918:
1.106 cvs 919: if ((!strncmp (path, "http:", 5) != 0)
920: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
921: || !strncmp (path, "internal:", 9))
1.58 cvs 922: return TRUE;
923: return FALSE;
1.3 cvs 924: }
925:
1.4 cvs 926: /*----------------------------------------------------------------------
1.9 cvs 927: IsWithParameters
928: returns TRUE if url has a concatenated query string.
1.4 cvs 929: ----------------------------------------------------------------------*/
1.133 vatton 930: ThotBool IsWithParameters (const char *url)
1.3 cvs 931: {
1.5 cvs 932: int i;
1.3 cvs 933:
1.9 cvs 934: if ((!url) || (url[0] == EOS))
1.5 cvs 935: return FALSE;
1.3 cvs 936:
1.9 cvs 937: i = strlen (url) - 1;
938: while (i > 0 && url[i--] != '?')
1.5 cvs 939: if (i < 0)
940: return FALSE;
1.3 cvs 941:
1.5 cvs 942: /* There is a parameter */
943: return TRUE;
1.3 cvs 944: }
945:
1.4 cvs 946: /*----------------------------------------------------------------------
1.9 cvs 947: IsW3Path
948: returns TRUE if path is in fact a URL.
1.4 cvs 949: ----------------------------------------------------------------------*/
1.133 vatton 950: ThotBool IsW3Path (const char *path)
1.106 cvs 951: {
1.170 quint 952: if (path == NULL)
953: return FALSE;
1.106 cvs 954: if (strncmp (path, "http:", 5) &&
955: strncmp (path, "ftp:", 4) &&
956: strncmp (path, "telnet:", 7) &&
957: strncmp (path, "wais:", 5) &&
958: strncmp (path, "news:", 5) &&
959: strncmp (path, "gopher:", 7) &&
960: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 961: strncmp (path, "archie:", 7) &&
962: strncmp (path, "https:", 6))
1.72 cvs 963: return FALSE;
964: return TRUE;
1.3 cvs 965: }
966:
1.4 cvs 967: /*----------------------------------------------------------------------
1.90 cvs 968: IsFilePath
969: returns TRUE if path is in fact a URL.
970: ----------------------------------------------------------------------*/
1.133 vatton 971: ThotBool IsFilePath (const char *path)
1.90 cvs 972: {
1.106 cvs 973: if (strncmp (path, "file:", 5))
1.90 cvs 974: return FALSE;
975: return TRUE;
976: }
977:
978: /*----------------------------------------------------------------------
1.9 cvs 979: IsValidProtocol
980: returns true if the url protocol is supported by Amaya.
1.4 cvs 981: ----------------------------------------------------------------------*/
1.133 vatton 982: ThotBool IsValidProtocol (const char *url)
1.106 cvs 983: {
984: if (!strncmp (url, "http:", 5)
985: || !strncmp (url, "internal:", 9)
986: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.22 cvs 987: /* experimental */
1.24 cvs 988: /*** || !strncmp (path, "news:", 5)***/
1.8 cvs 989: return (TRUE);
1.5 cvs 990: else
1.8 cvs 991: return (FALSE);
1.3 cvs 992: }
993:
1.31 cvs 994:
995: /*----------------------------------------------------------------------
996: GetBaseURL
997: normalizes orgName according to a base associated with doc, and
998: following the standard URL format rules.
999: The function returns the base used to solve relative URL and SRC:
1000: - the base of the document,
1001: - or the document path (without document name).
1002: ----------------------------------------------------------------------*/
1.106 cvs 1003: char *GetBaseURL (Document doc)
1.31 cvs 1004: {
1005: Element el;
1006: ElementType elType;
1007: AttributeType attrType;
1008: Attribute attr;
1.176 vatton 1009: char *ptr, *basename, *utf8path;
1.31 cvs 1010: int length;
1.151 kahan 1011: ThotBool hasDocBase;
1.31 cvs 1012:
1.113 cvs 1013: if (doc == 0 || !DocumentURLs[doc])
1.110 cvs 1014: return NULL;
1.148 kahan 1015: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.171 gully 1016: basename = (char *)TtaGetMemory (MAX_LENGTH);
1.148 kahan 1017: basename[0] = EOS;
1.31 cvs 1018: length = MAX_LENGTH -1;
1.151 kahan 1019: hasDocBase = FALSE;
1020:
1021: /* If the document has a base URL, it has a priority over the headers. */
1022: /* @@ We need to do this too when we support XML:base */
1023:
1024: /* is it a HTML document ? */
1025: elType.ElSSchema = TtaGetDocumentSSchema (doc);
1026: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
1027: /* it's a HTML document */
1028: {
1029: /* get the document element */
1030: el = TtaGetMainRoot (doc);
1031: /* search the BASE element */
1032: elType.ElTypeNum = HTML_EL_HEAD;
1033: el = TtaSearchTypedElement (elType, SearchForward, el);
1034: if (el)
1035: /* there is a HEAD element */
1036: {
1037: /* look for a BASE element within the HEAD */
1038: elType.ElTypeNum = HTML_EL_BASE;
1039: el = TtaSearchTypedElement (elType, SearchInTree, el);
1040: }
1041: if (el)
1042: {
1043: /* The document has a BASE element. Get the HREF attribute of the
1044: BASE element */
1045: hasDocBase = TRUE;
1046: attrType.AttrSSchema = elType.ElSSchema;
1047: attrType.AttrTypeNum = HTML_ATTR_HREF_;
1048: attr = TtaGetAttribute (el, attrType);
1049: if (attr)
1050: {
1051: /* Use the base path of the document */
1052: TtaGiveTextAttributeValue (attr, basename, &length);
1.176 vatton 1053: utf8path = basename;
1054: basename = (char *)TtaConvertMbsToByte ((unsigned char *)utf8path,
1055: TtaGetDefaultCharset ());
1056: TtaFreeMemory (utf8path);
1.151 kahan 1057: }
1058: }
1059: }
1060:
1061: /* there was no BASE. Do we have a location header? */
1062: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 1063: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 1064: {
1.148 kahan 1065: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
1066: basename[MAX_LENGTH-1] = EOS;
1067: length = strlen (basename);
1068: }
1069:
1070: if (basename[0] != EOS)
1071: {
1072: /* base and orgName have to be separated by a DIR_SEP */
1073: length--;
1074: if (basename[0] != EOS && basename[length] != URL_SEP &&
1075: basename[length] != DIR_SEP)
1076: /* verify if the base has the form "protocol://server:port" */
1.31 cvs 1077: {
1.148 kahan 1078: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1079: AMAYA_PARSE_HOST |
1080: AMAYA_PARSE_PUNCTUATION);
1081: if (ptr && !strcmp (ptr, basename))
1.31 cvs 1082: {
1.148 kahan 1083: /* it has this form, complete it by adding a URL_STR */
1084: if (strchr (basename, DIR_SEP))
1085: strcat (basename, DIR_STR);
1086: else
1087: strcat (basename, URL_STR);
1088: length++;
1.31 cvs 1089: }
1.149 kahan 1090: else if (!ptr || ptr[0] == EOS)
1091: {
1092: /* no host was detected, we may have a relative URL. We test
1093: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1094: relative. */
1095: if (! (basename[0] == '.' || basename[0] == URL_SEP
1096: || basename[0] == DIR_SEP))
1097: basename[0] = EOS;
1098: }
1.148 kahan 1099: if (ptr)
1100: TtaFreeMemory (ptr);
1.31 cvs 1101: }
1.113 cvs 1102: }
1103:
1.148 kahan 1104: /* there was no base element and no location header, we use the DocumentURL */
1105: if (basename[0] == EOS)
1106: {
1107: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1108: basename[MAX_LENGTH-1] = EOS;
1109: }
1110:
1.31 cvs 1111: /* Remove anything after the last DIR_SEP char. If no such char is found,
1112: * then search for the first ":" char, hoping that what's before that is a
1113: * protocol. If found, end the string there. If neither char is found,
1114: * then discard the whole base element.
1115: */
1.106 cvs 1116: length = strlen (basename) - 1;
1.31 cvs 1117: /* search for the last DIR_SEP char */
1.106 cvs 1118: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1119: length--;
1120: if (length >= 0)
1121: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1122: basename[length + 1] = EOS;
1.31 cvs 1123: else
1124: /* search for the first PATH_STR char */
1125: {
1.106 cvs 1126: for (length = 0; basename[length] != ':' &&
1127: basename[length] != EOS; length ++);
1128: if (basename[length] == ':')
1.31 cvs 1129: /* found, so end the string there */
1.106 cvs 1130: basename[length + 1] = EOS;
1.31 cvs 1131: else
1132: /* not found, discard the base */
1.106 cvs 1133: basename[0] = EOS;
1.31 cvs 1134: }
1135: return (basename);
1136: }
1137:
1138:
1.4 cvs 1139: /*----------------------------------------------------------------------
1.40 cvs 1140: GetLocalPath
1141: Allocate and return the local document path associated to the url
1142: ----------------------------------------------------------------------*/
1.150 vatton 1143: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1144: {
1145: char *ptr;
1146: char *n;
1147: char *documentname;
1148: char url_sep;
1.83 cvs 1149: int len;
1.67 cvs 1150: ThotBool noFile;
1.40 cvs 1151:
1.153 vatton 1152: if (url)
1.40 cvs 1153: {
1154: /* check whether the file name exists */
1.106 cvs 1155: len = strlen (url) - 1;
1.71 cvs 1156: if (IsW3Path (url))
1.157 kahan 1157: url_sep = URL_SEP;
1.41 cvs 1158: else
1.106 cvs 1159: url_sep = DIR_SEP;
1.41 cvs 1160: noFile = (url[len] == url_sep);
1.40 cvs 1161: if (noFile)
1.106 cvs 1162: url[len] = EOS;
1.171 gully 1163: ptr = (char *)TtaGetMemory (MAX_LENGTH);
1164: documentname = (char *)TtaGetMemory (MAX_LENGTH);
1.78 cvs 1165: TtaExtractName (url, ptr, documentname);
1.106 cvs 1166: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1167: if (!TtaCheckDirectory (ptr))
1168: /* directory did not exist */
1.72 cvs 1169: TtaMakeDirectory (ptr);
1.47 cvs 1170:
1.153 vatton 1171: if (doc == 0)
1172: {
1173: n = strrchr (documentname, '.');
1174: if (n)
1175: *n = EOS;
1176: if (documentname[0] == EOS)
1177: strcpy (documentname, "noname");
1178: n = GetTempName (ptr, documentname);
1179: TtaFreeMemory (ptr);
1180: ptr = n;
1181: }
1.69 cvs 1182: else
1.153 vatton 1183: {
1184: /* don't include the query string within document name */
1185: n = strrchr (documentname, '?');
1186: if (n)
1187: *n = EOS;
1188: /* don't include ':' within document name */
1189: n = strchr (documentname, ':');
1190: if (n)
1191: *n = EOS;
1192: /* if after all this operations document name
1193: is empty, let's use noname.html instead */
1194: if (documentname[0] == EOS)
1195: strcat (ptr, "noname.html");
1196: else
1197: strcat (ptr, documentname);
1198: }
1.40 cvs 1199: TtaFreeMemory (documentname);
1.157 kahan 1200: /* substitute invalid chars in file names by a _ */
1201: n = ptr;
1202: while (*n)
1203: {
1204: if (*n == '*' || *n == ',')
1205: *n = '_';
1206: n++;
1207: }
1.40 cvs 1208: /* restore the url */
1209: if (noFile)
1.41 cvs 1210: url[len] = url_sep;
1.40 cvs 1211: return (ptr);
1212: }
1213: else
1214: return (NULL);
1215: }
1216:
1.73 cvs 1217: /*----------------------------------------------------------------------
1.79 cvs 1218: ExtractTarget extract the target name from document nane.
1219: ----------------------------------------------------------------------*/
1.150 vatton 1220: void ExtractTarget (char *aName, char *target)
1.79 cvs 1221: {
1.106 cvs 1222: int lg, i;
1223: char *ptr;
1224: char *oldptr;
1.79 cvs 1225:
1226: if (!target || !aName)
1227: /* bad target */
1228: return;
1229:
1.106 cvs 1230: target[0] = EOS;
1231: lg = strlen (aName);
1.79 cvs 1232: if (lg)
1233: {
1234: /* the name is not empty */
1235: oldptr = ptr = &aName[0];
1236: do
1237: {
1.106 cvs 1238: ptr = strrchr (oldptr, '#');
1.79 cvs 1239: if (ptr)
1240: oldptr = &ptr[1];
1241: }
1242: while (ptr);
1243:
1244: i = (int) (oldptr) - (int) (aName); /* name length */
1245: if (i > 1)
1246: {
1.106 cvs 1247: aName[i - 1] = EOS;
1.79 cvs 1248: if (i != lg)
1.106 cvs 1249: strcpy (target, oldptr);
1.79 cvs 1250: }
1251: }
1252: }
1253:
1254: /*----------------------------------------------------------------------
1.90 cvs 1255: RemoveNewLines (text)
1256: Removes any '\n' chars that are found in text.
1257: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1258: ----------------------------------------------------------------------*/
1.106 cvs 1259: ThotBool RemoveNewLines (char *text)
1260: {
1261: ThotBool change = FALSE;
1262: char *src;
1263: char *dest;
1.90 cvs 1264:
1265: src = text;
1266: dest = text;
1.115 kahan 1267:
1268: /* remove any preceding whitespace */
1269: while (*src && *src == ' ')
1270: {
1271: src++;
1272: change = 1;
1273: }
1274:
1.90 cvs 1275: while (*src)
1276: {
1277: switch (*src)
1278: {
1.106 cvs 1279: case '\n':
1.90 cvs 1280: /* don't copy the newline */
1281: change = 1;
1282: break;
1283: default:
1284: *dest = *src;
1285: dest++;
1286: break;
1287: }
1288: src++;
1289: }
1290: /* copy the last EOS char */
1291: *dest = *src;
1292:
1293: return (change);
1294: }
1295:
1296: /*----------------------------------------------------------------------
1297: CleanCopyFileURL
1298: Copies a file url from a src string to destination string.
1.97 cvs 1299: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1300: we want to do).
1.90 cvs 1301: ----------------------------------------------------------------------*/
1.106 cvs 1302: static void CleanCopyFileURL (char *dest, char *src,
1303: ConvertionType convertion)
1.90 cvs 1304: {
1305: while (*src)
1.89 cvs 1306: {
1.90 cvs 1307: switch (*src)
1.89 cvs 1308: {
1.173 cvs 1309: #ifdef _WINGUI
1.106 cvs 1310: case URL_SEP:
1.96 cvs 1311: /* make DIR_SEP transformation */
1.97 cvs 1312: if (convertion & AM_CONV_URL_SEP)
1.106 cvs 1313: *dest = DIR_SEP;
1.96 cvs 1314: else
1315: *dest = *src;
1.90 cvs 1316: dest++;
1.96 cvs 1317: src++;
1.90 cvs 1318: break;
1.173 cvs 1319: #endif /* _WINGUI */
1.96 cvs 1320:
1.106 cvs 1321: case '%':
1.97 cvs 1322: if (convertion & AM_CONV_PERCENT)
1.96 cvs 1323: {
1.97 cvs 1324: /* (code adapted from libwww's HTUnEscape function */
1.96 cvs 1325: src++;
1.106 cvs 1326: if (*src != EOS)
1.97 cvs 1327: {
1328: *dest = UnEscapeChar (*src) * 16;
1329: src++;
1330: }
1.106 cvs 1331: if (*src != EOS)
1.97 cvs 1332: {
1333: *dest = *dest + UnEscapeChar (*src);
1334: src++;
1335: }
1336: dest++;
1.96 cvs 1337: }
1.97 cvs 1338: else
1.96 cvs 1339: {
1.97 cvs 1340: *dest = *src;
1341: dest++;
1.96 cvs 1342: src++;
1343: }
1344: break;
1345:
1.90 cvs 1346: default:
1347: *dest = *src;
1.89 cvs 1348: dest++;
1.96 cvs 1349: src++;
1.90 cvs 1350: break;
1.89 cvs 1351: }
1352: }
1.90 cvs 1353: /* copy the EOS char */
1354: *dest = *src;
1.73 cvs 1355: }
1.40 cvs 1356:
1357: /*----------------------------------------------------------------------
1.9 cvs 1358: NormalizeURL
1359: normalizes orgName according to a base associated with doc, and
1360: following the standard URL format rules.
1.113 cvs 1361: if doc is < 0, use as a base the URL of the document that contains
1362: (or contained) the elements that are now in the copy/cut buffer.
1.53 cvs 1363: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1364: other path.
1.9 cvs 1365: The function returns the new complete and normalized URL
1.12 cvs 1366: or file name path (newName) and the name of the document (docName).
1.9 cvs 1367: N.B. If the function can't find out what's the docName, it assigns
1368: the name "noname.html".
1.4 cvs 1369: ----------------------------------------------------------------------*/
1.106 cvs 1370: void NormalizeURL (char *orgName, Document doc, char *newName,
1371: char *docName, char *otherPath)
1372: {
1373: char *basename;
1374: char tempOrgName[MAX_LENGTH];
1375: char *ptr;
1376: char used_sep;
1.84 cvs 1377: int length;
1378: ThotBool check;
1.5 cvs 1379:
1.173 cvs 1380: #ifdef _WINGUI
1.44 cvs 1381: int ndx;
1.173 cvs 1382: #endif /* _WINGUI */
1.44 cvs 1383:
1.5 cvs 1384: if (!newName || !docName)
1385: return;
1.18 cvs 1386:
1.113 cvs 1387: if (doc < 0)
1388: basename = TtaStrdup (SavedDocumentURL);
1389: else if (doc > 0)
1.53 cvs 1390: basename = GetBaseURL (doc);
1391: else if (otherPath != NULL)
1.108 cvs 1392: basename = TtaStrdup (otherPath);
1.32 cvs 1393: else
1.53 cvs 1394: basename = NULL;
1.32 cvs 1395:
1.18 cvs 1396: /*
1.31 cvs 1397: * Clean orgName
1398: * Make sure we have a complete orgName, without any leading or trailing
1399: * white spaces, or trailinbg new lines
1400: */
1.5 cvs 1401: ptr = orgName;
1.18 cvs 1402: /* skip leading white space and new line characters */
1.106 cvs 1403: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1404: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1405: tempOrgName[MAX_LENGTH -1] = EOS;
1.18 cvs 1406: /*
1.31 cvs 1407: * Make orgName a complete URL
1408: * If the URL does not include a protocol, then try to calculate
1409: * one using the doc's base element (if it exists),
1410: */
1.106 cvs 1411: if (tempOrgName[0] == EOS)
1.53 cvs 1412: {
1.106 cvs 1413: newName[0] = EOS;
1414: docName[0] = EOS;
1.53 cvs 1415: TtaFreeMemory (basename);
1416: return;
1417: }
1.49 cvs 1418:
1419: /* clean trailing white space */
1.106 cvs 1420: length = strlen (tempOrgName) - 1;
1421: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1.53 cvs 1422: {
1.106 cvs 1423: tempOrgName[length] = EOS;
1.53 cvs 1424: length--;
1425: }
1.50 cvs 1426:
1.55 cvs 1427: /* remove extra dot (which dot???) */
1428: /* ugly, but faster than a strcmp */
1.106 cvs 1429: if (tempOrgName[length] == '.'
1430: && (length == 0 || tempOrgName[length-1] != '.'))
1431: tempOrgName[length] = EOS;
1.50 cvs 1432:
1.94 cvs 1433: if (IsW3Path (tempOrgName))
1.53 cvs 1434: {
1435: /* the name is complete, go to the Sixth Step */
1.106 cvs 1436: strcpy (newName, tempOrgName);
1.53 cvs 1437: SimplifyUrl (&newName);
1438: /* verify if the URL has the form "protocol://server:port" */
1.110 cvs 1439: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1440: AMAYA_PARSE_HOST |
1441: AMAYA_PARSE_PUNCTUATION);
1442: if (ptr && !strcmp (ptr, newName))
1443: /* it has this form, we complete it by adding a DIR_STR */
1.106 cvs 1444: strcat (newName, URL_STR);
1.49 cvs 1445:
1.53 cvs 1446: if (ptr)
1.50 cvs 1447: TtaFreeMemory (ptr);
1.53 cvs 1448: }
1.113 cvs 1449: else if (basename == NULL)
1.53 cvs 1450: /* the name is complete, go to the Sixth Step */
1.106 cvs 1451: strcpy (newName, tempOrgName);
1.53 cvs 1452: else
1453: {
1.31 cvs 1454: /* Calculate the absolute URL, using the base or document URL */
1.173 cvs 1455: #ifdef _WINGUI
1.53 cvs 1456: if (!IsW3Path (basename))
1457: {
1.106 cvs 1458: length = strlen (tempOrgName);
1.53 cvs 1459: for (ndx = 0; ndx < length; ndx++)
1.106 cvs 1460: if (tempOrgName [ndx] == '/')
1461: tempOrgName [ndx] = '\\';
1.53 cvs 1462: }
1.173 cvs 1463: #endif /* _WINGUI */
1.25 cvs 1464: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1.53 cvs 1465: if (ptr)
1466: {
1467: SimplifyUrl (&ptr);
1.106 cvs 1468: strcpy (newName, ptr);
1.53 cvs 1469: TtaFreeMemory (ptr);
1470: }
1471: else
1.106 cvs 1472: newName[0] = EOS;
1.53 cvs 1473: }
1.36 cvs 1474:
1475: TtaFreeMemory (basename);
1.18 cvs 1476: /*
1.31 cvs 1477: * Prepare the docname that will refer to this ressource in the
1478: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1479: * noname.html as a default ressource name
1.18 cvs 1480: */
1.106 cvs 1481: if (newName[0] != EOS)
1.53 cvs 1482: {
1.106 cvs 1483: length = strlen (newName) - 1;
1484: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1.53 cvs 1485: {
1486: used_sep = newName[length];
1487: check = TRUE;
1488: while (check)
1489: {
1.50 cvs 1490: length--;
1491: while (length >= 0 && newName[length] != used_sep)
1.53 cvs 1492: length--;
1.106 cvs 1493: if (!strncmp (&newName[length+1], "..", 2))
1.53 cvs 1494: {
1.106 cvs 1495: newName[length+1] = EOS;
1.53 cvs 1496: /* remove also previous directory */
1497: length--;
1498: while (length >= 0 && newName[length] != used_sep)
1499: length--;
1.106 cvs 1500: if (strncmp (&newName[length+1], "//", 2))
1.131 cheyroul 1501: /* don't remove server name */
1.106 cvs 1502: newName[length+1] = EOS;
1.53 cvs 1503: }
1.106 cvs 1504: else if (!strncmp (&newName[length+1], ".", 1))
1505: newName[length+1] = EOS;
1.50 cvs 1506: else
1.53 cvs 1507: check = FALSE;
1508: }
1509: /* docname was not comprised inside the URL, so let's */
1510: /* assign the default ressource name */
1.106 cvs 1511: strcpy (docName, "noname.html");
1.53 cvs 1512: }
1513: else
1514: { /* docname is comprised inside the URL */
1.110 cvs 1515: while (length >= 0 && newName[length] != URL_SEP &&
1516: newName[length] != DIR_SEP)
1.53 cvs 1517: length--;
1518: if (length < 0)
1.106 cvs 1519: strcpy (docName, newName);
1.53 cvs 1520: else
1.106 cvs 1521: strcpy (docName, &newName[length+1]);
1.53 cvs 1522: }
1523: }
1524: else
1.106 cvs 1525: docName[0] = EOS;
1.18 cvs 1526: }
1.3 cvs 1527:
1.4 cvs 1528: /*----------------------------------------------------------------------
1.9 cvs 1529: IsSameHost
1.4 cvs 1530: ----------------------------------------------------------------------*/
1.106 cvs 1531: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1532: {
1.106 cvs 1533: char *basename_ptr1, *basename_ptr2;
1534: ThotBool result;
1.3 cvs 1535:
1.106 cvs 1536: basename_ptr1 = AmayaParseUrl (url1, "",
1537: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1538: basename_ptr2 = AmayaParseUrl (url2, "",
1539: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1540:
1.106 cvs 1541: if (strcmp (basename_ptr1, basename_ptr2))
1542: result = FALSE;
1543: else
1544: result = TRUE;
1545: TtaFreeMemory (basename_ptr1);
1546: TtaFreeMemory (basename_ptr2);
1547: return (result);
1.3 cvs 1548: }
1549:
1550:
1.4 cvs 1551: /*----------------------------------------------------------------------
1.22 cvs 1552: HasKnownFileSuffix
1553: returns TRUE if path points to a file ending with a suffix.
1554: ----------------------------------------------------------------------*/
1.153 vatton 1555: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1556: {
1557: char *root;
1558: char temppath[MAX_LENGTH];
1559: char suffix[MAX_LENGTH];
1.22 cvs 1560:
1.106 cvs 1561: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1.22 cvs 1562: return (FALSE);
1563:
1.106 cvs 1564: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.22 cvs 1565:
1566: if (root)
1567: {
1.106 cvs 1568: strcpy (temppath, root);
1.25 cvs 1569: TtaFreeMemory (root);
1.22 cvs 1570: /* Get the suffix */
1.124 vatton 1571: TtaExtractSuffix (temppath, suffix);
1.22 cvs 1572:
1.106 cvs 1573: if( suffix[0] == EOS)
1.22 cvs 1574: /* no suffix */
1575: return (FALSE);
1576:
1577: /* Normalize the suffix */
1578: ConvertToLowerCase (suffix);
1579:
1.106 cvs 1580: if (!strcmp (suffix, "gz"))
1.22 cvs 1581: /* skip the compressed suffix */
1582: {
1.124 vatton 1583: TtaExtractSuffix (temppath, suffix);
1.106 cvs 1584: if(suffix[0] == EOS)
1.22 cvs 1585: /* no suffix */
1586: return (FALSE);
1587: /* Normalize the suffix */
1588: ConvertToLowerCase (suffix);
1589: }
1590:
1.106 cvs 1591: if (strcmp (suffix, "gif") &&
1592: strcmp (suffix, "xbm") &&
1593: strcmp (suffix, "xpm") &&
1594: strcmp (suffix, "jpg") &&
1595: strcmp (suffix, "pdf") &&
1596: strcmp (suffix, "png") &&
1597: strcmp (suffix, "tgz") &&
1598: strcmp (suffix, "xpg") &&
1599: strcmp (suffix, "xpd") &&
1600: strcmp (suffix, "ps") &&
1601: strcmp (suffix, "au") &&
1602: strcmp (suffix, "html") &&
1603: strcmp (suffix, "htm") &&
1604: strcmp (suffix, "shtml") &&
1605: strcmp (suffix, "xht") &&
1606: strcmp (suffix, "xhtm") &&
1607: strcmp (suffix, "xhtml") &&
1608: strcmp (suffix, "txt") &&
1609: strcmp (suffix, "css") &&
1610: strcmp (suffix, "eps"))
1.22 cvs 1611: return (FALSE);
1612: else
1613: return (TRUE);
1614: }
1615: else
1616: return (FALSE);
1617: }
1618:
1619:
1620: /*----------------------------------------------------------------------
1.24 cvs 1621: ChopURL
1622: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1623: If inputURL is bigger than that size, outputURL receives
1624: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1625: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1626: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1627: copied into outputURL.
1628: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1629: chars.
1630: ----------------------------------------------------------------------*/
1.106 cvs 1631: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1632: {
1633: int len;
1.9 cvs 1634:
1.106 cvs 1635: len = strlen (inputURL);
1.24 cvs 1636: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1637: strcpy (outputURL, inputURL);
1.24 cvs 1638: else
1639: /* make a truncated urlName on the status window */
1640: {
1.106 cvs 1641: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1642: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1643: strcat (outputURL, "...");
1644: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1645: }
1.25 cvs 1646: }
1647:
1648:
1649: /*----------------------------------------------------------------------
1650: scan
1.47 cvs 1651: Scan a filename for its constituents
1.25 cvs 1652: -----------------------------------
1653:
1654: On entry,
1655: name points to a document name which may be incomplete.
1656: On exit,
1657: absolute or relative may be nonzero (but not both).
1658: host, fragment and access may be nonzero if they were specified.
1659: Any which are nonzero point to zero terminated strings.
1660: ----------------------------------------------------------------------*/
1.106 cvs 1661: static void scan (char *name, HTURI *parts)
1.25 cvs 1662: {
1.106 cvs 1663: char * p;
1664: char * after_access = name;
1.32 cvs 1665:
1.43 cvs 1666: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1667: /* Look for fragment identifier */
1.106 cvs 1668: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1669: {
1.106 cvs 1670: *p++ = '\0';
1.28 cvs 1671: parts->fragment = p;
1.25 cvs 1672: }
1673:
1.28 cvs 1674: for (p=name; *p; p++)
1675: {
1.106 cvs 1676: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.28 cvs 1677: break;
1.106 cvs 1678: if (*p == ':')
1.28 cvs 1679: {
1680: *p = 0;
1681: parts->access = after_access; /* Scheme has been specified */
1682:
1683: /* The combination of gcc, the "-O" flag and the HP platform is
1684: unhealthy. The following three lines is a quick & dirty fix, but is
1685: not recommended. Rather, turn off "-O". */
1686:
1687: /* after_access = p;*/
1688: /* while (*after_access == 0)*/
1689: /* after_access++;*/
1690: after_access = p+1;
1.106 cvs 1691: if (!strcasecmp("URL", parts->access))
1.28 cvs 1692: /* Ignore IETF's URL: pre-prefix */
1693: parts->access = NULL;
1694: else
1.25 cvs 1695: break;
1696: }
1697: }
1698:
1699: p = after_access;
1.43 cvs 1700: if (*p == URL_SEP || *p == DIR_SEP)
1.28 cvs 1701: {
1.43 cvs 1702: if (p[1] == URL_SEP)
1.28 cvs 1703: {
1.25 cvs 1704: parts->host = p+2; /* host has been specified */
1.28 cvs 1705: *p = 0; /* Terminate access */
1706: /* look for end of host name if any */
1.106 cvs 1707: p = strchr (parts->host, URL_SEP);
1.28 cvs 1708: if (p)
1709: {
1.106 cvs 1710: *p = EOS; /* Terminate host */
1.25 cvs 1711: parts->absolute = p+1; /* Root has been found */
1.28 cvs 1712: }
1713: }
1714: else
1715: /* Root found but no host */
1716: parts->absolute = p+1;
1717: }
1718: else
1719: {
1.25 cvs 1720: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1.28 cvs 1721: }
1.25 cvs 1722: }
1723:
1724:
1725: /*----------------------------------------------------------------------
1.28 cvs 1726: AmayaParseUrl: parse a Name relative to another name
1727:
1728: This returns those parts of a name which are given (and requested)
1729: substituting bits from the related name where necessary.
1.25 cvs 1730:
1.28 cvs 1731: On entry,
1.25 cvs 1732: aName A filename given
1733: relatedName A name relative to which aName is to be parsed. Give
1734: it an empty string if aName is absolute.
1735: wanted A mask for the bits which are wanted.
1736:
1.28 cvs 1737: On exit,
1.25 cvs 1738: returns A pointer to a malloc'd string which MUST BE FREED
1739: ----------------------------------------------------------------------*/
1.106 cvs 1740: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1741: {
1742: char *return_value;
1743: char result[MAX_LENGTH];
1744: char name[MAX_LENGTH];
1745: char rel[MAX_LENGTH];
1746: char *p, *access;
1.29 cvs 1747: HTURI given, related;
1748: int len;
1.106 cvs 1749: char used_sep;
1750: char *used_str;
1.32 cvs 1751:
1.106 cvs 1752: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1753: {
1.106 cvs 1754: used_str = DIR_STR;
1755: used_sep = DIR_SEP;
1.33 cvs 1756: }
1.32 cvs 1757: else
1.33 cvs 1758: {
1.106 cvs 1759: used_str = URL_STR;
1760: used_sep = URL_SEP;
1.33 cvs 1761: }
1.32 cvs 1762:
1.29 cvs 1763: /* Make working copies of input strings to cut up: */
1764: return_value = NULL;
1765: result[0] = 0; /* Clear string */
1.169 quint 1766: rel[0] = EOS;
1767: strncpy (name, aName, MAX_LENGTH - 1);
1768: name[MAX_LENGTH - 1] = EOS;
1769: if (relatedName != NULL)
1770: {
1771: strncpy (rel, relatedName, MAX_LENGTH - 1);
1772: rel[MAX_LENGTH - 1] = EOS;
1773: }
1.29 cvs 1774: else
1.106 cvs 1775: relatedName[0] = EOS;
1.29 cvs 1776:
1777: scan (name, &given);
1778: scan (rel, &related);
1779: access = given.access ? given.access : related.access;
1780: if (wanted & AMAYA_PARSE_ACCESS)
1781: if (access)
1782: {
1.106 cvs 1783: strcat (result, access);
1.29 cvs 1784: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1785: strcat (result, ":");
1.29 cvs 1786: }
1787:
1788: if (given.access && related.access)
1789: /* If different, inherit nothing. */
1.106 cvs 1790: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1791: {
1792: related.host = 0;
1793: related.absolute = 0;
1794: related.relative = 0;
1795: related.fragment = 0;
1796: }
1797:
1798: if (wanted & AMAYA_PARSE_HOST)
1799: if(given.host || related.host)
1800: {
1801: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1802: strcat (result, "//");
1803: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1804: }
1805:
1806: if (given.host && related.host)
1807: /* If different hosts, inherit no path. */
1.106 cvs 1808: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1809: {
1810: related.absolute = 0;
1811: related.relative = 0;
1812: related.fragment = 0;
1813: }
1814:
1815: if (wanted & AMAYA_PARSE_PATH)
1816: {
1817: if (given.absolute)
1818: {
1819: /* All is given */
1820: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1821: strcat (result, used_str);
1822: strcat (result, given.absolute);
1.25 cvs 1823: }
1.29 cvs 1824: else if (related.absolute)
1825: {
1826: /* Adopt path not name */
1.106 cvs 1827: strcat (result, used_str);
1828: strcat (result, related.absolute);
1.29 cvs 1829: if (given.relative)
1830: {
1831: /* Search part? */
1.106 cvs 1832: p = strchr (result, '?');
1.29 cvs 1833: if (!p)
1.106 cvs 1834: p=result+strlen(result)-1;
1.33 cvs 1835: for (; *p!=used_sep; p--); /* last / */
1.29 cvs 1836: /* Remove filename */
1837: p[1]=0;
1838: /* Add given one */
1.106 cvs 1839: strcat (result, given.relative);
1.25 cvs 1840: }
1841: }
1.29 cvs 1842: else if (given.relative)
1843: /* what we've got */
1.106 cvs 1844: strcat (result, given.relative);
1.29 cvs 1845: else if (related.relative)
1.106 cvs 1846: strcat (result, related.relative);
1.29 cvs 1847: else
1848: /* No inheritance */
1.106 cvs 1849: strcat (result, used_str);
1.25 cvs 1850: }
1.29 cvs 1851:
1852: if (wanted & AMAYA_PARSE_ANCHOR)
1853: if (given.fragment || related.fragment)
1854: {
1855: if (given.absolute && given.fragment)
1856: {
1857: /*Fixes for relURLs...*/
1858: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1859: strcat (result, "#");
1860: strcat (result, given.fragment);
1.29 cvs 1861: }
1862: else if (!(given.absolute) && !(given.fragment))
1.106 cvs 1863: strcat (result, "");
1.29 cvs 1864: else
1865: {
1.110 cvs 1866: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1867: strcat (result, "#");
1.110 cvs 1868: strcat (result, given.fragment ? given.fragment : related.fragment);
1.29 cvs 1869: }
1870: }
1.106 cvs 1871: len = strlen (result);
1.171 gully 1872: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 1873: strcpy (return_value, result);
1.29 cvs 1874: return (return_value); /* exactly the right length */
1.25 cvs 1875: }
1876:
1877: /*----------------------------------------------------------------------
1878: HTCanon
1879: Canonicalizes the URL in the following manner starting from the host
1880: pointer:
1881:
1882: 1) The host name is converted to lowercase
1883: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1884:
1885: Return: OK The position of the current path part of the URL
1886: which might be the old one or a new one.
1887:
1888: ----------------------------------------------------------------------*/
1.106 cvs 1889: static char *HTCanon (char **filename, char *host)
1890: {
1891: char *newname = NULL;
1892: char used_sep;
1893: char *path;
1894: char *strptr;
1895: char *port;
1896: char *access = host-3;
1897:
1898: if (*filename && strchr (*filename, URL_SEP))
1899: used_sep = URL_SEP;
1.33 cvs 1900: else
1.106 cvs 1901: used_sep = DIR_SEP;
1.32 cvs 1902:
1.110 cvs 1903: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1.25 cvs 1904: access--;
1.110 cvs 1905: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1.106 cvs 1906: path = host + strlen (host);
1907: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1.82 cvs 1908: host = strptr;
1.110 cvs 1909: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1.82 cvs 1910: port = NULL;
1.25 cvs 1911:
1912: strptr = host; /* Convert to lower-case */
1.82 cvs 1913: while (strptr < path)
1.33 cvs 1914: {
1.123 vatton 1915: *strptr = tolower (*strptr);
1.82 cvs 1916: strptr++;
1.33 cvs 1917: }
1.25 cvs 1918:
1919: /* Does the URL contain a full domain name? This also works for a
1920: numerical host name. The domain name is already made lower-case
1921: and without a trailing dot. */
1922: {
1.106 cvs 1923: char *dot = port ? port : path;
1924: if (dot > *filename && *--dot == '.')
1.33 cvs 1925: {
1.106 cvs 1926: char *orig = dot;
1927: char *dest = dot + 1;
1.82 cvs 1928: while ((*orig++ = *dest++));
1929: if (port) port--;
1.33 cvs 1930: path--;
1.25 cvs 1931: }
1932: }
1933: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
1.33 cvs 1934: if (port)
1935: {
1.82 cvs 1936: if (!*(port+1) || *(port+1) == used_sep)
1.33 cvs 1937: {
1938: if (!newname)
1939: {
1.106 cvs 1940: char *orig = port;
1941: char *dest = port + 1;
1.82 cvs 1942: while ((*orig++ = *dest++));
1.33 cvs 1943: }
1944: }
1.106 cvs 1945: else if ((!strncmp (access, "http", 4) &&
1946: (*(port + 1) == '8' &&
1947: *(port+2) == '0' &&
1.82 cvs 1948: (*(port+3) == used_sep || !*(port + 3)))) ||
1.106 cvs 1949: (!strncmp (access, "gopher", 6) &&
1950: (*(port+1) == '7' &&
1951: *(port+2) == '0' &&
1.82 cvs 1952: (*(port+3) == used_sep || !*(port+3)))) ||
1.106 cvs 1953: (!strncmp (access, "ftp", 3) &&
1954: (*(port+1) == '2' &&
1955: *(port + 2) == '1' &&
1.82 cvs 1956: (*(port+3) == used_sep || !*(port+3))))) {
1.33 cvs 1957: if (!newname)
1958: {
1.106 cvs 1959: char *orig = port;
1960: char *dest = port + 3;
1.33 cvs 1961: while((*orig++ = *dest++));
1962: /* Update path position, Henry Minsky */
1963: path -= 3;
1.25 cvs 1964: }
1.33 cvs 1965: }
1966: else if (newname)
1.106 cvs 1967: strncat (newname, port, (int) (path - port));
1.33 cvs 1968: }
1.25 cvs 1969:
1.33 cvs 1970: if (newname)
1971: {
1.106 cvs 1972: char *newpath = newname + strlen (newname);
1973: strcat (newname, path);
1.25 cvs 1974: path = newpath;
1.28 cvs 1975: /* Free old copy */
1976: TtaFreeMemory(*filename);
1.25 cvs 1977: *filename = newname;
1.33 cvs 1978: }
1.25 cvs 1979: return path;
1980: }
1981:
1982:
1983: /*----------------------------------------------------------------------
1.29 cvs 1984: SimplifyUrl: simplify a URI
1.32 cvs 1985: A URI is allowed to contain the sequence xxx/../ which may be
1986: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 1987: Simplification helps us recognize duplicate URIs.
1.25 cvs 1988:
1.28 cvs 1989: Thus, /etc/junk/../fred becomes /etc/fred
1990: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 1991:
1.28 cvs 1992: but we should NOT change
1993: http://fred.xxx.edu/../..
1.25 cvs 1994:
1995: or ../../albert.html
1996:
1.28 cvs 1997: In order to avoid empty URLs the following URLs become:
1.25 cvs 1998:
1999: /fred/.. becomes /fred/..
2000: /fred/././.. becomes /fred/..
2001: /fred/.././junk/.././ becomes /fred/..
2002:
1.28 cvs 2003: If more than one set of `://' is found (several proxies in cascade) then
2004: only the part after the last `://' is simplified.
1.25 cvs 2005:
1.28 cvs 2006: Returns: A string which might be the old one or a new one.
1.25 cvs 2007: ----------------------------------------------------------------------*/
1.106 cvs 2008: void SimplifyUrl (char **url)
2009: {
2010: char *path;
2011: char *access;
2012: char *newptr;
2013: char *p;
2014: char *orig, *dest, *end;
1.28 cvs 2015:
1.106 cvs 2016: char used_sep;
1.77 cvs 2017: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
2018: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 2019:
1.28 cvs 2020: if (!url || !*url)
2021: return;
2022:
1.106 cvs 2023: if (strchr (*url, URL_SEP))
2024: used_sep = URL_SEP;
1.32 cvs 2025: else
1.106 cvs 2026: used_sep = DIR_SEP;
1.32 cvs 2027:
1.77 cvs 2028: /* should we simplify double dot? */
2029: path = *url;
1.106 cvs 2030: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 2031: ddot_simplify = FALSE;
2032: else
2033: ddot_simplify = TRUE;
2034:
1.28 cvs 2035: /* Find any scheme name */
1.106 cvs 2036: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 2037: {
2038: /* Find host name */
1.28 cvs 2039: access = *url;
1.123 vatton 2040: while (access < path && (*access = tolower (*access)))
1.82 cvs 2041: access++;
1.28 cvs 2042: path += 3;
1.106 cvs 2043: while ((newptr = strstr (path, "://")) != NULL)
1.82 cvs 2044: /* For proxies */
1.106 cvs 2045: path = newptr + 3;
1.82 cvs 2046: /* We have a host name */
1.84 cvs 2047: path = HTCanon (url, path);
1.25 cvs 2048: }
1.106 cvs 2049: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 2050: path += 2;
2051: else
2052: path = *url;
1.84 cvs 2053: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 2054: /* Some URLs start //<foo> */
2055: path += 1;
1.94 cvs 2056: else if (IsFilePath (path))
2057: {
2058: /* doesn't need to do anything more */
2059: return;
2060: }
1.106 cvs 2061: else if (!strncmp (path, "news:", 5))
1.28 cvs 2062: {
1.106 cvs 2063: newptr = strchr (path+5, '@');
1.28 cvs 2064: if (!newptr)
2065: newptr = path + 5;
2066: while (*newptr)
2067: {
2068: /* Make group or host lower case */
1.123 vatton 2069: *newptr = tolower (*newptr);
1.28 cvs 2070: newptr++;
1.25 cvs 2071: }
1.28 cvs 2072: /* Doesn't need to do any more */
2073: return;
1.25 cvs 2074: }
1.130 cheyroul 2075:
1.126 cheyroul 2076:
1.28 cvs 2077: if ((p = path))
2078: {
1.106 cvs 2079: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
2080: (end = strchr (path, '#'))))
2081: end = path + strlen (path);
1.28 cvs 2082:
2083: /* Parse string second time to simplify */
2084: p = path;
2085: while (p < end)
2086: {
1.110 cvs 2087: /* if we're pointing to a char, it's safe to reactivate the
2088: ../ convertion */
1.106 cvs 2089: if (!ddot_simplify && *p != '.' && *p != used_sep)
1.77 cvs 2090: ddot_simplify = TRUE;
2091:
1.33 cvs 2092: if (*p==used_sep)
1.28 cvs 2093: {
1.106 cvs 2094: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
1.28 cvs 2095: {
2096: orig = p + 1;
1.84 cvs 2097: dest = (*(p+2) != used_sep) ? p+2 : p+3;
1.52 cvs 2098: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
1.28 cvs 2099: end = orig - 1;
2100: }
1.106 cvs 2101: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
1.77 cvs 2102: && (*(p+3) == used_sep || !*(p+3)))
1.28 cvs 2103: {
2104: newptr = p;
1.52 cvs 2105: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2106: if (*newptr == used_sep)
2107: orig = newptr + 1;
1.28 cvs 2108: else
1.52 cvs 2109: orig = newptr;
2110:
2111: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2112: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2113: end = orig-1;
2114: /* Start again with prev slash */
2115: p = newptr;
1.28 cvs 2116: }
1.33 cvs 2117: else if (*(p+1) == used_sep)
1.28 cvs 2118: {
1.33 cvs 2119: while (*(p+1) == used_sep)
1.28 cvs 2120: {
2121: orig = p;
2122: dest = p + 1;
2123: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2124: end = orig-1;
2125: }
2126: }
2127: else
1.25 cvs 2128: p++;
1.28 cvs 2129: }
2130: else
2131: p++;
1.25 cvs 2132: }
2133: }
1.51 cvs 2134: /*
2135: ** Check for host/../.. kind of things
2136: */
1.106 cvs 2137: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
1.77 cvs 2138: && (!*(path+3) || *(path+3) == used_sep))
1.106 cvs 2139: *(path+1) = EOS;
1.28 cvs 2140: return;
2141: }
2142:
2143:
2144: /*----------------------------------------------------------------------
1.96 cvs 2145: NormalizeFile normalizes local names.
1.28 cvs 2146: Return TRUE if target and src differ.
2147: ----------------------------------------------------------------------*/
1.106 cvs 2148: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2149: {
1.173 cvs 2150: #ifndef _WINGUI
1.106 cvs 2151: char *s;
1.93 cvs 2152: int i;
1.173 cvs 2153: #endif /* !_WINGUI */
1.82 cvs 2154: ThotBool change;
1.90 cvs 2155: int start_index; /* the first char that we'll copy */
1.28 cvs 2156:
1.54 cvs 2157: change = FALSE;
1.90 cvs 2158: start_index = 0;
2159:
1.106 cvs 2160: if (!src || src[0] == EOS)
1.96 cvs 2161: {
1.106 cvs 2162: target[0] = EOS;
1.96 cvs 2163: return FALSE;
2164: }
1.90 cvs 2165:
2166: /* @@ do I need file: or file:/ here? */
1.106 cvs 2167: if (strncmp (src, "file:", 5) == 0)
1.28 cvs 2168: {
1.90 cvs 2169: /* remove the prefix file: */
2170: start_index += 5;
2171:
2172: /* remove the localhost prefix */
1.106 cvs 2173: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
1.94 cvs 2174: start_index += 11;
2175:
2176: /* remove the first two slashes in / / /path */
2177: while (src[start_index] &&
1.106 cvs 2178: src[start_index] == '/'
2179: && src[start_index + 1] == '/')
1.94 cvs 2180: start_index++;
2181:
1.173 cvs 2182: #ifdef _WINGUI
1.94 cvs 2183: /* remove any extra slash before the drive name */
1.106 cvs 2184: if (src[start_index] == '/'
2185: &&src[start_index+2] == ':')
1.94 cvs 2186: start_index++;
1.173 cvs 2187: #endif /* _WINGUI */
1.90 cvs 2188:
1.106 cvs 2189: if (src[start_index] == EOS)
1.90 cvs 2190: /* if there's nothing afterwards, add a DIR_STR */
1.106 cvs 2191: strcpy (target, DIR_STR);
1.90 cvs 2192: else
1.97 cvs 2193: /* as we're inside a file: URL, we'll apply all the convertions
2194: we know */
2195: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
1.96 cvs 2196:
2197: change = TRUE;
2198: }
1.97 cvs 2199: else if (convertion != AM_CONV_NONE)
1.96 cvs 2200: {
2201: /* we are following a "local" relative link, we do all the
2202: convertions except for the HOME_DIR ~ one */
1.97 cvs 2203: CleanCopyFileURL (target, src, convertion);
1.28 cvs 2204: }
1.173 cvs 2205: #ifndef _WINGUI
1.106 cvs 2206: else if (src[0] == '~')
1.53 cvs 2207: {
1.96 cvs 2208: /* it must be a URL typed in a text input field */
2209: /* do the HOME_DIR ~ substitution */
1.82 cvs 2210: s = TtaGetEnvString ("HOME");
1.106 cvs 2211: strcpy (target, s);
1.90 cvs 2212: #if 0
1.96 cvs 2213: /* JK: invalidated this part of the code as it's simpler
2214: to add the DIR_SEP whenever we have something to add
2215: to the path rather than adding it systematically */
1.106 cvs 2216: if (src[1] != DIR_SEP)
2217: strcat (target, DIR_STR);
1.90 cvs 2218: #endif
1.106 cvs 2219: i = strlen (target);
2220: strcpy (&target[i], &src[1]);
1.54 cvs 2221: change = TRUE;
1.53 cvs 2222: }
1.173 cvs 2223: #endif /* _WINGUI */
1.28 cvs 2224: else
1.96 cvs 2225: /* leave it as it is */
1.106 cvs 2226: strcpy (target, src);
1.96 cvs 2227:
1.28 cvs 2228: /* remove /../ and /./ */
1.29 cvs 2229: SimplifyUrl (&target);
1.54 cvs 2230: if (!change)
1.106 cvs 2231: change = strcmp (src, target);
1.28 cvs 2232: return (change);
1.25 cvs 2233: }
2234:
1.28 cvs 2235:
1.25 cvs 2236: /*----------------------------------------------------------------------
1.31 cvs 2237: MakeRelativeURL: make relative name
1.25 cvs 2238:
1.28 cvs 2239: This function creates and returns a string which gives an expression of
2240: one address as related to another. Where there is no relation, an absolute
2241: address is retured.
1.25 cvs 2242:
1.28 cvs 2243: On entry,
1.25 cvs 2244: Both names must be absolute, fully qualified names of nodes
2245: (no fragment bits)
2246:
1.28 cvs 2247: On exit,
1.25 cvs 2248: The return result points to a newly allocated name which, if
2249: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2250: The caller is responsible for freeing the resulting name later.
2251: ----------------------------------------------------------------------*/
1.106 cvs 2252: char *MakeRelativeURL (char *aName, char *relatedName)
2253: {
2254: char *return_value;
2255: char result[MAX_LENGTH];
2256: char *p;
2257: char *q;
2258: char *after_access;
2259: char *last_slash = NULL;
2260: int slashes, levels, len;
1.173 cvs 2261: #ifdef _WINGUI
1.44 cvs 2262: int ndx;
1.173 cvs 2263: #endif /* _WINGUI */
1.44 cvs 2264:
1.29 cvs 2265: if (aName == NULL || relatedName == NULL)
2266: return (NULL);
2267:
2268: slashes = 0;
2269: after_access = NULL;
2270: p = aName;
2271: q = relatedName;
1.147 vatton 2272: len = 0;
2273: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2274: {
2275: /* Find extent of match */
1.106 cvs 2276: if (*p == ':')
1.146 cvs 2277: {
1.168 cvs 2278: after_access = p + 1;
1.173 cvs 2279: #ifdef _WINGUI
1.168 cvs 2280: if (len == 1)
2281: {
2282: /* it's a local Windows path like c:... */
2283: slashes+=2;
2284: }
1.173 cvs 2285: #endif /* _WINGUI */
1.168 cvs 2286: }
2287: if (*p == DIR_SEP)
2288: {
2289: /* memorize the last slash position and count them */
2290: last_slash = p;
1.147 vatton 2291: slashes++;
1.146 cvs 2292: }
1.25 cvs 2293: }
2294:
1.31 cvs 2295: /* q, p point to the first non-matching character or zero */
1.106 cvs 2296: if (*q == EOS)
1.31 cvs 2297: {
2298: /* New name is a subset of the related name */
2299: /* exactly the right length */
1.106 cvs 2300: len = strlen (p);
1.171 gully 2301: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2302: strcpy (return_value, p);
1.31 cvs 2303: }
2304: else if ((slashes < 2 && after_access == NULL)
2305: || (slashes < 3 && after_access != NULL))
1.168 cvs 2306: {
1.31 cvs 2307: /* Two names whitout common path */
2308: /* exactly the right length */
1.106 cvs 2309: len = strlen (aName);
1.171 gully 2310: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2311: strcpy (return_value, aName);
1.31 cvs 2312: }
2313: else
2314: {
2315: /* Some path in common */
1.106 cvs 2316: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.31 cvs 2317: /* just the same server */
1.106 cvs 2318: strcpy (result, last_slash);
1.31 cvs 2319: else
2320: {
2321: levels= 0;
1.106 cvs 2322: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
1.31 cvs 2323: if (*q == DIR_SEP)
2324: levels++;
2325:
1.106 cvs 2326: result[0] = EOS;
1.31 cvs 2327: for (;levels; levels--)
1.106 cvs 2328: strcat (result, "../");
2329: strcat (result, last_slash+1);
1.31 cvs 2330: }
1.52 cvs 2331:
2332: if (!*result)
1.106 cvs 2333: strcat (result, "./");
1.52 cvs 2334:
1.31 cvs 2335: /* exactly the right length */
1.106 cvs 2336: len = strlen (result);
1.171 gully 2337: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2338: strcpy (return_value, result);
1.52 cvs 2339:
1.25 cvs 2340: }
1.173 cvs 2341: #ifdef _WINGUI
1.106 cvs 2342: len = strlen (return_value);
1.168 cvs 2343: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2344: if (return_value[ndx] == '\\')
2345: return_value[ndx] = '/' ;
1.173 cvs 2346: #endif /* _WINGUI */
1.29 cvs 2347: return (return_value);
1.24 cvs 2348: }
1.35 cvs 2349:
1.104 kahan 2350: /*----------------------------------------------------------------------
2351: AM_GetFileSize
2352: Returns TRUE and the filesize in the 2nd parameter.
2353: Otherwise, in case of a system error, returns FALSE, with a
2354: filesize of 0L.
2355: ---------------------------------------------------------------------*/
1.106 cvs 2356: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2357: {
1.106 cvs 2358: ThotFileHandle handle = ThotFile_BADHANDLE;
2359: ThotFileInfo info;
1.35 cvs 2360:
1.104 kahan 2361: *file_size = 0L;
2362: if (!TtaFileExist (filename))
2363: return FALSE;
2364:
2365: handle = TtaFileOpen (filename, ThotFile_READWRITE);
2366: if (handle == ThotFile_BADHANDLE)
2367: /* ThotFile_BADHANDLE */
2368: return FALSE;
2369: if (TtaFileStat (handle, &info) == 0)
2370: /* bad stat */
2371: info.size = 0L;
2372: TtaFileClose (handle);
2373: *file_size = (unsigned long) info.size;
2374: return TRUE;
2375: }
1.139 kahan 2376:
2377: /*----------------------------------------------------------------------
2378: AM_UseXHTMLMimeType
2379: Returns TRUE if the user has configured Amaya to use this MIME type,
2380: FALSE otherwise.
2381: ---------------------------------------------------------------------*/
2382: ThotBool AM_UseXHTMLMimeType (void)
2383: {
2384: ThotBool xhtml_mimetype;
2385:
2386: /* does the user wants to use the new MIME type? */
2387: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2388:
2389: return (xhtml_mimetype);
1.152 kahan 2390: }
2391:
1.154 kahan 2392:
2393: /********************************************
2394: The following routines were adapted from the GNU libc functions
2395: for generating a tmpnam.
2396: *********************************************/
2397:
2398: /* These are the characters used in temporary filenames. */
2399: static const char letters[] =
2400: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2401:
2402: /* Generate a temporary file name based on TMPL. TMPL must match the
2403: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2404: does not exist at the time of the call to __gen_tempname. TMPL is
2405: overwritten with the result.
2406:
2407: We use a clever algorithm to get hard-to-predict names. */
2408: void
2409: AM_gen_tempname (char *tmpl)
2410: {
2411: int len;
2412: char *XXXXXX;
2413: static uint64_t value;
2414: uint64_t random_time_bits;
2415: unsigned int count;
2416: int save_errno = errno;
2417: struct stat st;
2418:
2419: /* A lower bound on the number of temporary files to attempt to
2420: generate. The maximum total number of temporary file names that
2421: can exist for a given template is 62**6. It should never be
2422: necessary to try all these combinations. Instead if a reasonable
2423: number of names is tried (we define reasonable as 62**3) fail to
2424: give the system administrator the chance to remove the problems. */
2425: unsigned int attempts_min = 62 * 62 * 62;
2426:
2427: /* The number of times to attempt to generate a temporary file. To
2428: conform to POSIX, this must be no smaller than TMP_MAX. */
2429: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2430:
2431: len = strlen (tmpl);
2432: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2433: {
2434: /* @@ JK ? */
2435: errno = EINVAL;
2436: return;
2437: }
2438:
2439: /* This is where the Xs start. */
2440: XXXXXX = &tmpl[len - 6];
2441:
2442: /* Get some more or less random data. */
2443: #ifdef RANDOM_BITS
2444: RANDOM_BITS (random_time_bits);
2445: #else
2446: # if HAVE_GETTIMEOFDAY || _LIBC
2447: {
2448: struct timeval tv;
2449: gettimeofday (&tv, NULL);
2450: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2451: }
2452: # else
2453: random_time_bits = time (NULL);
2454: # endif
2455: #endif
2456: value += random_time_bits ^ getpid ();
2457:
2458: for (count = 0; count < attempts; value += 7777, ++count)
2459: {
2460: uint64_t v = value;
2461:
2462: /* Fill in the random bits. */
2463: XXXXXX[0] = letters[v % 62];
2464: v /= 62;
2465: XXXXXX[1] = letters[v % 62];
2466: v /= 62;
2467: XXXXXX[2] = letters[v % 62];
2468: v /= 62;
2469: XXXXXX[3] = letters[v % 62];
2470: v /= 62;
2471: XXXXXX[4] = letters[v % 62];
2472: v /= 62;
2473: XXXXXX[5] = letters[v % 62];
2474:
2475: /* This case is backward from the other three. AM_gen_tempname
2476: succeeds if __xstat fails because the name does not exist.
2477: Note the continue to bypass the common logic at the bottom
2478: of the loop. */
2479: if (stat (tmpl, &st) < 0)
2480: break;
2481:
2482: continue;
2483: }
2484:
2485: if (count == attempts || errno != ENOENT)
2486: tmpl[0] = EOS;
2487: else
2488: errno = save_errno;
2489:
2490: return;
2491: }
2492:
2493: #define JOSE 1
2494:
1.152 kahan 2495: /*-----------------------------------------------------------------------
2496: GetTempName
2497: Front end to the Unix tempnam function, which is independent of the
2498: value of the TMPDIR env value
2499: Returns a dynamically allocated string with a tempname. The user
2500: must free this memory.
2501: -----------------------------------------------------------------------*/
2502: char *GetTempName (const char *dir, const char *prefix)
2503: {
1.154 kahan 2504: #ifdef JOSE
2505:
1.162 kahan 2506: static char tmpbufmem[PATH_MAX + 1];
1.154 kahan 2507: int len;
2508: int i;
2509:
1.155 cvs 2510: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2511: return NULL;
2512:
1.162 kahan 2513: /* make sure that the name is no bigger than PATH_MAX + the 6 tempname chars we
2514: will add */
1.154 kahan 2515:
1.156 cvs 2516: len = strlen (dir);
1.162 kahan 2517: if (len + 6 > PATH_MAX)
1.154 kahan 2518: return NULL;
2519:
2520: /* copy the dir name, and add a DIR_SEP if it's missing */
2521: if (dir[strlen (dir) - 1] == DIR_SEP)
2522: strcpy (tmpbufmem, dir);
2523: else
1.156 cvs 2524: {
1.154 kahan 2525: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
1.156 cvs 2526: len++;
2527: }
1.154 kahan 2528:
1.161 kahan 2529: /* copy the prefix (no more than L_tmpnam chars, to respect POSIX). Save
1.156 cvs 2530: space for the 6 X and EOS chars that will become the random bits */
2531: if (prefix)
2532: {
2533: i = 0;
1.167 cheyroul 2534: while (prefix[i] != EOS && i < L_tmpnam - 8)
1.156 cvs 2535: tmpbufmem[len++] = prefix[i++];
2536: tmpbufmem[len] = EOS;
2537: }
2538:
2539: /* Add the 6 X chars */
2540: len = strlen (tmpbufmem);
2541: i = 0;
2542: while (i < 6)
2543: {
2544: tmpbufmem[len++] = 'X';
2545: i++;
2546: }
2547: tmpbufmem[len] = EOS;
1.154 kahan 2548:
2549: AM_gen_tempname (tmpbufmem);
2550:
2551: if (tmpbufmem[0] == EOS)
2552: return NULL;
2553: else
2554: return (TtaStrdup (tmpbufmem));
2555:
2556: #else
1.152 kahan 2557: char *tmpdir;
1.181 vatton 2558: char *tmp = NULL;
1.152 kahan 2559: char *name = NULL;
2560:
2561: /* save the value of TMPDIR */
1.181 vatton 2562: tmpdir = getenv ("TMPDIR");
1.152 kahan 2563: if (tmpdir)
2564: {
1.181 vatton 2565: /* remove TMPDIR from the environment */
2566: tmp = TtaGetMemory (strlen (tmpdir) + 20);
2567: sprintf (tmp, "TMPDIR=");
1.173 cvs 2568: #ifdef _WINGUI
1.152 kahan 2569: _putenv (tmp);
2570: #else
2571: putenv (tmp);
1.173 cvs 2572: #endif /* _WINGUI */
1.181 vatton 2573: /* prepare the string to restore the value of TMPDIR */
2574: strrcat (tmp, tmpdir);
1.152 kahan 2575: }
2576:
2577: /* create the tempname */
1.173 cvs 2578: #ifdef _WINGUI
1.152 kahan 2579: /* Under Windows, _tempnam returns the same name until the file is created */
2580: {
2581: char *altprefix;
2582: name = tmpnam (NULL); /* get a possibly unique string */
1.181 vatton 2583: altprefix = TtaGetMemory (strlen (prefix) + strlen(name) + 1);
1.152 kahan 2584: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2585: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2586: TtaFreeMemory (altprefix);
2587: }
2588: #else
2589: name = tempnam (dir, prefix);
1.173 cvs 2590: #endif /* _WINGUI */
1.152 kahan 2591:
2592: if (tmpdir)
2593: {
1.181 vatton 2594: /* restore the value of TMPDIR */
1.173 cvs 2595: #ifdef _WINGUI
1.152 kahan 2596: _putenv (tmpdir);
2597: #else
2598: putenv (tmpdir);
1.173 cvs 2599: #endif /* _WINGUI */
1.181 vatton 2600: TtaFreeMemory (tmpdir);
1.152 kahan 2601: }
2602: return (name);
1.154 kahan 2603: #endif
1.139 kahan 2604: }
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