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