Annotation of Amaya/amaya/AHTURLTools.c, revision 1.173
1.7 cvs 1: /*
2: *
1.160 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2003
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:
1.173 ! cvs 34: #ifdef _WINGUI
1.152 kahan 35: #define TMPDIR "TMP"
1.164 kahan 36: #ifndef PATH_MAX
1.163 cvs 37: #define PATH_MAX MAX_PATH
1.164 kahan 38: #endif
1.155 cvs 39: #define stat _stat
40: #define uint64_t unsigned __int64
41: #define getpid _getpid
1.173 ! cvs 42: #else /* _WINGUI */
1.152 kahan 43: #define TMPDIR "TMPDIR"
1.161 kahan 44: #if HAVE_STDINT_H
45: #include <stdint.h>
46: #endif /* HAVE_STDINT_H */
1.173 ! cvs 47: #endif /* _WINGUI */
1.28 cvs 48:
49: /*----------------------------------------------------------------------
50: ConvertToLowerCase
51: Converts a string to lowercase.
52: ----------------------------------------------------------------------*/
1.124 vatton 53: void ConvertToLowerCase (char *string)
1.28 cvs 54: {
55: int i;
1.93 cvs 56:
1.28 cvs 57: if (!string)
58: return;
59:
1.106 cvs 60: for (i = 0; string[i] != EOS; i++)
1.123 vatton 61: string[i] = tolower (string[i]);
1.28 cvs 62: }
1.22 cvs 63:
1.8 cvs 64: /*----------------------------------------------------------------------
1.75 cvs 65: EscapeChar
66: writes the equivalent escape code of a char in a string
67: ----------------------------------------------------------------------*/
1.109 cvs 68: void EscapeChar (char *string, char c)
1.75 cvs 69: {
1.109 cvs 70: unsigned int i;
71:
72: i = (unsigned char) c & 0xFF;
73: sprintf (string, "%02x", i);
1.75 cvs 74: }
75:
76: /*----------------------------------------------------------------------
1.96 cvs 77: UnEscapeChar
78: writes the equivalent hex code to a %xx coded char
79: ----------------------------------------------------------------------*/
1.109 cvs 80: static char UnEscapeChar (char c)
1.96 cvs 81: {
1.106 cvs 82: return c >= '0' && c <= '9' ? c - '0'
83: : c >= 'A' && c <= 'F' ? c - 'A' + 10
84: : c - 'a' + 10; /* accept small letters just in case */
1.96 cvs 85: }
86:
87: /*----------------------------------------------------------------------
1.75 cvs 88: EscapeURL
89: Takes a URL and escapes all protected chars into
90: %xx sequences. Also, removes any leading white spaces
91: Returns either NULL or a new buffer, which must be freed by the caller
92: ----------------------------------------------------------------------*/
1.106 cvs 93: char *EscapeURL (const char *url)
94: {
95: char *buffer;
96: int buffer_len;
97: int buffer_free_mem;
98: char *ptr;
99: int new_chars;
1.75 cvs 100: void *status;
101:
102: if (url && *url)
103: {
1.106 cvs 104: buffer_free_mem = strlen (url) + 20;
1.171 gully 105: buffer = (char *)TtaGetMemory (buffer_free_mem + 1);
1.107 kahan 106: ptr = (char *) url;
1.75 cvs 107: buffer_len = 0;
108:
109: while (*ptr)
110: {
111: switch (*ptr)
112: {
113: /* put here below all the chars that need to
114: be escaped into %xx */
1.81 cvs 115: case 0x20: /* space */
1.143 vatton 116: /*case 0x26:*/ /* & */
1.140 kahan 117: case 0x27: /* antislash */
1.75 cvs 118: new_chars = 3;
119: break;
120:
121: default:
1.122 kahan 122: if ((unsigned char )*ptr > 127)
123: new_chars = 3;
124: else
125: new_chars = 1;
1.75 cvs 126: break;
127: }
128:
129: /* see if we need extra room in the buffer */
130: if (new_chars > buffer_free_mem)
131: {
1.76 cvs 132: buffer_free_mem = 20;
1.106 cvs 133: status = TtaRealloc (buffer, sizeof (char)
1.75 cvs 134: * (buffer_len + buffer_free_mem + 1));
135: if (status)
1.114 cvs 136: buffer = (char *) status;
1.106 cvs 137: else
138: {
139: /* @@ maybe we should do some other behavior here, like
140: freeing the buffer and return a void thing */
141: buffer[buffer_len] = EOS;
142: break;
143: }
1.75 cvs 144: }
145: /* escape the char */
1.140 kahan 146: if (new_chars == 3)
147: {
1.106 cvs 148: buffer[buffer_len] = '%';
1.75 cvs 149: EscapeChar (&buffer[buffer_len+1], *ptr);
150: }
1.140 kahan 151: else
152: buffer[buffer_len] = *ptr;
153:
154: /* update the status */
155: buffer_len += new_chars;
156: buffer_free_mem -= new_chars;
157: /* examine the next char */
158: ptr++;
159: }
160: buffer[buffer_len] = EOS;
161: }
162: else
163: buffer = NULL;
164:
165: return (buffer);
166: }
167:
168: /*----------------------------------------------------------------------
169: EscapeXML
170: Takes a string and escapes all protected chars into entity
171: sequences.
172: Returns either NULL or a new buffer, which must be freed by the caller
173: ----------------------------------------------------------------------*/
174: char *EscapeXML (const char *string)
175: {
176: char *buffer;
177: int buffer_len;
178: int buffer_free_mem;
179: char *ptr;
180: char *entity = NULL;
181: int new_chars;
182: void *status;
183:
184: if (string && *string)
185: {
186: buffer_free_mem = strlen (string) + 20;
1.171 gully 187: buffer = (char *)TtaGetMemory (buffer_free_mem + 1);
1.140 kahan 188: ptr = (char *) string;
189: buffer_len = 0;
190:
191: while (*ptr)
192: {
193: switch (*ptr)
194: {
195: case 0x26: /* & */
196: entity = "&";
1.141 kahan 197: new_chars = sizeof (entity) - 1;
198: break;
1.140 kahan 199:
1.141 kahan 200: case '<': /* < */
1.140 kahan 201: entity = "<";
1.141 kahan 202: new_chars = sizeof (entity) - 1;
1.140 kahan 203: break;
204:
1.141 kahan 205: case '>': /* > */
1.140 kahan 206: entity = ">";
1.141 kahan 207: new_chars = sizeof (entity) - 1;
208: break;
209:
210: case '"': /* "e; */
211: entity = ""e;";
212: new_chars = sizeof (entity) - 1;
1.140 kahan 213: break;
214:
215: default:
216: new_chars = 1;
217: break;
218: }
219:
220: /* see if we need extra room in the buffer */
221: if (new_chars > buffer_free_mem)
222: {
223: buffer_free_mem = 20;
224: status = TtaRealloc (buffer, sizeof (char)
225: * (buffer_len + buffer_free_mem + 1));
226: if (status)
227: buffer = (char *) status;
228: else
229: {
230: /* @@ maybe we should do some other behavior here, like
231: freeing the buffer and return a void thing */
232: buffer[buffer_len] = EOS;
233: break;
234: }
235: }
236: /* escape the char */
237: if (entity)
238: {
239: sprintf (&buffer[buffer_len], "%s", entity);
240: entity = NULL;
241: }
1.75 cvs 242: else
243: buffer[buffer_len] = *ptr;
244:
245: /* update the status */
246: buffer_len += new_chars;
247: buffer_free_mem -= new_chars;
248: /* examine the next char */
249: ptr++;
250: }
1.106 cvs 251: buffer[buffer_len] = EOS;
1.75 cvs 252: }
1.76 cvs 253: else
254: buffer = NULL;
255:
1.75 cvs 256: return (buffer);
1.122 kahan 257: }
258:
1.75 cvs 259:
260: /*----------------------------------------------------------------------
1.11 cvs 261: ExplodeURL
1.8 cvs 262: ----------------------------------------------------------------------*/
1.106 cvs 263: void ExplodeURL (char *url, char **proto, char **host, char **dir,
264: char **file)
1.8 cvs 265: {
1.33 cvs 266: char *curr, *temp;
267: char used_sep;
1.32 cvs 268:
1.33 cvs 269: if (url && strchr (url, URL_SEP))
270: used_sep = URL_SEP;
271: else
272: used_sep = DIR_SEP;
1.8 cvs 273:
274: if ((url == NULL) || (proto == NULL) || (host == NULL) ||
275: (dir == NULL) || (file == NULL))
276: return;
277:
278: /* initialize every pointer */
279: *proto = *host = *dir = *file = NULL;
280:
281: /* skip any leading space */
282: while ((*url == SPACE) || (*url == TAB))
283: url++;
1.9 cvs 284: curr = url;
285: if (*curr == 0)
1.8 cvs 286: goto finished;
287:
288: /* go to the end of the URL */
1.68 cvs 289: while ((*curr != EOS) && (*curr != SPACE) && (*curr != BSPACE) &&
290: (*curr != __CR__) && (*curr != EOL))
1.9 cvs 291: curr++;
1.8 cvs 292:
293: /* mark the end of the chain */
1.9 cvs 294: *curr = EOS;
295: curr--;
296: if (curr <= url)
1.8 cvs 297: goto finished;
298:
299: /* search the next DIR_SEP indicating the beginning of the file name */
300: do
1.11 cvs 301: curr--;
1.33 cvs 302: while ((curr >= url) && (*curr != used_sep));
1.11 cvs 303:
1.9 cvs 304: if (curr < url)
1.8 cvs 305: goto finished;
1.9 cvs 306: *file = curr + 1;
1.8 cvs 307:
308: /* mark the end of the dir */
1.9 cvs 309: *curr = EOS;
310: curr--;
311: if (curr < url)
1.8 cvs 312: goto finished;
313:
1.29 cvs 314: /* search for the DIR_STR indicating the host name start */
1.33 cvs 315: while ((curr > url) && ((*curr != used_sep) || (*(curr + 1) != used_sep)))
1.9 cvs 316: curr--;
1.8 cvs 317:
318: /* if we found it, separate the host name from the directory */
1.102 kahan 319: if ((*curr == used_sep) && (*(curr + 1) == used_sep))
1.8 cvs 320: {
1.9 cvs 321: *host = temp = curr + 2;
1.33 cvs 322: while ((*temp != 0) && (*temp != used_sep))
1.8 cvs 323: temp++;
1.33 cvs 324: if (*temp == used_sep)
1.8 cvs 325: {
326: *temp = EOS;
327: *dir = temp + 1;
328: }
329: }
330: else
1.11 cvs 331: *dir = curr;
332:
1.9 cvs 333: if (curr <= url)
1.8 cvs 334: goto finished;
335:
336: /* mark the end of the proto */
1.9 cvs 337: *curr = EOS;
338: curr--;
339: if (curr < url)
1.8 cvs 340: goto finished;
341:
1.106 cvs 342: if (*curr == ':')
1.8 cvs 343: {
1.9 cvs 344: *curr = EOS;
345: curr--;
1.8 cvs 346: }
347: else
348: goto finished;
1.11 cvs 349:
1.9 cvs 350: if (curr < url)
1.8 cvs 351: goto finished;
1.9 cvs 352: while ((curr > url) && (isalpha (*curr)))
353: curr--;
354: *proto = curr;
1.8 cvs 355:
356: finished:;
357:
358: #ifdef AMAYA_DEBUG
359: fprintf (stderr, "ExplodeURL(%s)\n\t", url);
360: if (*proto)
361: fprintf (stderr, "proto : %s, ", *proto);
362: if (*host)
363: fprintf (stderr, "host : %s, ", *host);
364: if (*dir)
365: fprintf (stderr, "dir : %s, ", *dir);
366: if (*file)
367: fprintf (stderr, "file : %s ", *file);
368: fprintf (stderr, "\n");
369: #endif
370:
371: }
1.3 cvs 372:
1.116 kahan 373: /*----------------------------------------------------------------------
374: PicTypeToMime
375: Converts a Thot PicType into the equivalent MIME type. If no convertion
376: is possible, it returns NULL.
377: ----------------------------------------------------------------------*/
378: char *PicTypeToMIME (PicType contentType)
379: {
380: char *mime_type;
381:
382: switch (contentType)
383: {
384: case xbm_type:
385: mime_type ="image/x-xbitmap";
386: break;
387: case eps_type:
388: mime_type ="application/postscript";
389: break;
390: case xpm_type:
391: mime_type ="image/x-xpicmap";
392: break;
393: case gif_type:
394: mime_type ="image/gif";
395: break;
396: case jpeg_type:
397: mime_type ="image/jpeg";
398: break;
399: case png_type:
400: mime_type ="image/png";
401: break;
402: case svg_type:
1.165 cvs 403: mime_type = AM_SVG_MIME_TYPE;
404: break;
405: case html_type:
406: mime_type = AM_XHTML_MIME_TYPE;
407: break;
408: case mathml_type:
409: mime_type = AM_MATHML_MIME_TYPE;
1.116 kahan 410: break;
411: case unknown_type:
412: default:
413: mime_type = NULL;
414: }
415:
416: return mime_type;
417: }
1.61 cvs 418:
419: /*----------------------------------------------------------------------
1.117 kahan 420: ImageElement
421: Returns the element (image parameter) and URL (url parameter) of an
422: image in a docImage document. The user must free the memory associated
1.120 kahan 423: with the url parameter if the function is succesful.
424: If the url parameter is NULL, we won't initialize it.
1.117 kahan 425: Returns TRUE if succesful, FALSE otherwise.
426: ----------------------------------------------------------------------*/
427: ThotBool ImageElement (Document doc, char **url, Element *image)
428: {
429: Element el, imgEl;
430: Attribute attr, srcAttr;
431: AttributeType attrType;
432: int length;
433: char *value;
434:
435: if (DocumentTypes[doc] != docImage)
436: return FALSE;
437:
438: /* find the value of the src attribute */
439: attrType.AttrSSchema = TtaGetSSchema ("HTML", doc);
440: attrType.AttrTypeNum = HTML_ATTR_SRC;
441: el = TtaGetRootElement (doc);
442: TtaSearchAttribute (attrType, SearchInTree, el, &imgEl, &srcAttr);
443:
444: if (!imgEl)
445: return FALSE;
446: *image = imgEl;
447:
1.120 kahan 448: if (url)
449: {
450: attr = TtaGetAttribute (imgEl, attrType);
451: length = TtaGetTextAttributeLength (srcAttr) + 1;
1.171 gully 452: value = (char *)TtaGetMemory (length);
1.120 kahan 453: TtaGiveTextAttributeValue (srcAttr, value, &length);
454: *url = value;
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") ||
653: !strcmp (suffix, "smi"))
1.103 cvs 654: return (TRUE);
1.106 cvs 655: else if (!strcmp (suffix, "gz"))
1.103 cvs 656: {
657: /* take into account compressed files */
1.124 vatton 658: TtaExtractSuffix (temppath, suffix);
1.136 cvs 659: if (!strcasecmp (suffix, "xml") ||
660: !strcasecmp (suffix, "xht") ||
661: !strcmp (suffix, "xhtm") ||
1.145 kahan 662: !strcmp (suffix, "xhtml") ||
663: !strcmp (suffix, "smi"))
1.103 cvs 664: return (TRUE);
665: else
666: return (FALSE);
667: }
668: else
669: return (FALSE);
670: }
671:
672: /*----------------------------------------------------------------------
1.136 cvs 673: IsUndisplayedName
674: returns TRUE if path points to an undisplayed resource.
1.103 cvs 675: ----------------------------------------------------------------------*/
1.136 cvs 676: ThotBool IsUndisplayedName (const char *path)
1.103 cvs 677: {
1.106 cvs 678: char temppath[MAX_LENGTH];
679: char suffix[MAX_LENGTH];
1.103 cvs 680:
681: if (!path)
682: return (FALSE);
683:
1.106 cvs 684: strcpy (temppath, path);
1.124 vatton 685: TtaExtractSuffix (temppath, suffix);
1.103 cvs 686:
1.136 cvs 687: if (!strcasecmp (suffix, "exe") ||
688: !strcasecmp (suffix, "zip") ||
689: !strcasecmp (suffix, "ppt") ||
690: !strcasecmp (suffix, "pdf") ||
691: !strcasecmp (suffix, "ps") ||
692: !strcasecmp (suffix, "eps") ||
693: !strcasecmp (suffix, "tar") ||
694: !strcasecmp (suffix, "tgz") ||
695: !strcasecmp (suffix, "ddl") ||
696: !strcasecmp (suffix, "o"))
1.103 cvs 697: return (TRUE);
1.106 cvs 698: else if (!strcmp (suffix, "gz"))
1.103 cvs 699: {
700: /* take into account compressed files */
1.124 vatton 701: TtaExtractSuffix (temppath, suffix);
1.136 cvs 702: if (!strcasecmp (suffix, "exe") ||
703: !strcasecmp (suffix, "zip") ||
704: !strcasecmp (suffix, "ppt") ||
705: !strcasecmp (suffix, "pdf") ||
706: !strcasecmp (suffix, "ps") ||
707: !strcasecmp (suffix, "eps") ||
708: !strcasecmp (suffix, "tar") ||
709: !strcasecmp (suffix, "ddl") ||
710: !strcasecmp (suffix, "o"))
1.103 cvs 711: return (TRUE);
712: else
713: return (FALSE);
714: }
715: else
716: return (FALSE);
717: }
718:
719: /*----------------------------------------------------------------------
1.60 cvs 720: IsCSSName
721: returns TRUE if path points to an XML resource.
722: ----------------------------------------------------------------------*/
1.111 cvs 723: ThotBool IsCSSName (const char *path)
1.60 cvs 724: {
1.106 cvs 725: char temppath[MAX_LENGTH];
726: char suffix[MAX_LENGTH];
1.60 cvs 727:
728: if (!path)
729: return (FALSE);
730:
1.106 cvs 731: strcpy (temppath, path);
1.124 vatton 732: TtaExtractSuffix (temppath, suffix);
1.60 cvs 733:
1.106 cvs 734: if (!strcasecmp (suffix, "css"))
1.60 cvs 735: return (TRUE);
1.106 cvs 736: else if (!strcmp (suffix, "gz"))
1.60 cvs 737: {
738: /* take into account compressed files */
1.124 vatton 739: TtaExtractSuffix (temppath, suffix);
1.106 cvs 740: if (!strcasecmp (suffix, "css"))
1.56 cvs 741: return (TRUE);
742: else
743: return (FALSE);
744: }
745: else
746: return (FALSE);
747: }
748:
749: /*----------------------------------------------------------------------
1.172 kahan 750: IsRDFName
751: returns TRUE if path points to an RDF resource.
752: ----------------------------------------------------------------------*/
753: ThotBool IsRDFName (const char *path)
754: {
755: char temppath[MAX_LENGTH];
756: char suffix[MAX_LENGTH];
757:
758: if (!path)
759: return (FALSE);
760:
761: strcpy (temppath, path);
762: TtaExtractSuffix (temppath, suffix);
763:
764: if (!strcasecmp (suffix, "rdf"))
765: return (TRUE);
766: else if (!strcmp (suffix, "gz"))
767: {
768: /* take into account compressed files */
769: TtaExtractSuffix (temppath, suffix);
770: if (!strcasecmp (suffix, "rdf"))
771: return (TRUE);
772: else
773: return (FALSE);
774: }
775: else
776: return (FALSE);
777: }
778:
779: /*----------------------------------------------------------------------
1.9 cvs 780: IsImageName
781: returns TRUE if path points to an image resource.
1.4 cvs 782: ----------------------------------------------------------------------*/
1.111 cvs 783: ThotBool IsImageName (const char *path)
1.106 cvs 784: {
785: char temppath[MAX_LENGTH];
786: char suffix[MAX_LENGTH];
787: char nsuffix[MAX_LENGTH];
1.5 cvs 788: int i;
789:
790: if (!path)
1.13 cvs 791: return (FALSE);
1.5 cvs 792:
1.106 cvs 793: strcpy (temppath, path);
1.124 vatton 794: TtaExtractSuffix (temppath, suffix);
1.5 cvs 795:
796: /* Normalize the suffix */
797: i = 0;
1.106 cvs 798: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 799: {
1.123 vatton 800: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 801: i++;
802: }
1.106 cvs 803: nsuffix[i] = EOS;
804: if ((!strcmp (nsuffix, "gif")) || (!strcmp (nsuffix, "xbm")) ||
805: (!strcmp (nsuffix, "xpm")) || (!strcmp (nsuffix, "jpg")) ||
806: (!strcmp (nsuffix, "png")) || (!strcmp (nsuffix, "au")))
1.39 cvs 807: return (TRUE);
808: return (FALSE);
1.3 cvs 809: }
810:
1.4 cvs 811: /*----------------------------------------------------------------------
1.58 cvs 812: IsImageType
813: returns TRUE if type points to an image resource.
814: ----------------------------------------------------------------------*/
1.111 cvs 815: ThotBool IsImageType (const char *type)
1.58 cvs 816: {
1.106 cvs 817: char temptype[MAX_LENGTH];
1.58 cvs 818: int i;
819:
820: if (!type)
821: return (FALSE);
822:
1.106 cvs 823: strcpy (temptype, type);
1.58 cvs 824: /* Normalize the type */
825: i = 0;
1.106 cvs 826: while (temptype[i] != EOS)
1.58 cvs 827: {
828: temptype[i] = tolower (temptype[i]);
829: i++;
830: }
1.166 vatton 831: if (!strncmp (temptype, "image/", sizeof ("image/") - 1))
832: i = sizeof ("image/") - 1;
833: else
834: i = 0;
835: if (!strcmp (&temptype[i], "gif") || !strcmp (&temptype[i], "x-xbitmap") ||
836: !strcmp (&temptype[i], "x-xpixmap") || !strcmp (&temptype[i], "jpeg") ||
837: !strcmp (&temptype[i], "png"))
1.58 cvs 838: return (TRUE);
839: return (FALSE);
840: }
841:
842: /*----------------------------------------------------------------------
1.9 cvs 843: IsTextName
1.4 cvs 844: ----------------------------------------------------------------------*/
1.111 cvs 845: ThotBool IsTextName (const char *path)
1.106 cvs 846: {
847: char temppath[MAX_LENGTH];
848: char suffix[MAX_LENGTH];
849: char nsuffix[MAX_LENGTH];
1.5 cvs 850: int i;
851:
852: if (!path)
1.13 cvs 853: return (FALSE);
1.5 cvs 854:
1.106 cvs 855: strcpy (temppath, path);
1.124 vatton 856: TtaExtractSuffix (temppath, suffix);
1.5 cvs 857:
858: /* Normalize the suffix */
859: i = 0;
1.106 cvs 860: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.5 cvs 861: {
1.25 cvs 862: nsuffix[i] = tolower (suffix[i]);
1.5 cvs 863: i++;
864: }
1.106 cvs 865: nsuffix[i] = EOS;
1.5 cvs 866:
1.111 cvs 867: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 868: return (TRUE);
1.106 cvs 869: else if (!strcmp (nsuffix, "gz"))
1.13 cvs 870: {
1.39 cvs 871: /* take into account compressed files */
1.124 vatton 872: TtaExtractSuffix (temppath, suffix);
1.13 cvs 873: /* Normalize the suffix */
874: i = 0;
1.106 cvs 875: while (suffix[i] != EOS && i < MAX_LENGTH -1)
1.13 cvs 876: {
1.25 cvs 877: nsuffix[i] = tolower (suffix[i]);
1.13 cvs 878: i++;
879: }
1.106 cvs 880: nsuffix[i] = EOS;
1.111 cvs 881: if (!strcmp (nsuffix, "txt") || !strcmp (nsuffix, "dtd"))
1.13 cvs 882: return (TRUE);
883: else
884: return (FALSE);
885: }
886: else
887: return (FALSE);
1.3 cvs 888: }
889:
1.4 cvs 890: /*----------------------------------------------------------------------
1.9 cvs 891: IsHTTPPath
892: returns TRUE if path is in fact an http URL.
1.4 cvs 893: ----------------------------------------------------------------------*/
1.112 cvs 894: ThotBool IsHTTPPath (const char *path)
1.3 cvs 895: {
1.5 cvs 896: if (!path)
897: return FALSE;
1.3 cvs 898:
1.106 cvs 899: if ((!strncmp (path, "http:", 5) != 0)
900: || (AHTFTPURL_flag () && !strncmp (path, "ftp:", 4))
901: || !strncmp (path, "internal:", 9))
1.58 cvs 902: return TRUE;
903: return FALSE;
1.3 cvs 904: }
905:
1.4 cvs 906: /*----------------------------------------------------------------------
1.9 cvs 907: IsWithParameters
908: returns TRUE if url has a concatenated query string.
1.4 cvs 909: ----------------------------------------------------------------------*/
1.133 vatton 910: ThotBool IsWithParameters (const char *url)
1.3 cvs 911: {
1.5 cvs 912: int i;
1.3 cvs 913:
1.9 cvs 914: if ((!url) || (url[0] == EOS))
1.5 cvs 915: return FALSE;
1.3 cvs 916:
1.9 cvs 917: i = strlen (url) - 1;
918: while (i > 0 && url[i--] != '?')
1.5 cvs 919: if (i < 0)
920: return FALSE;
1.3 cvs 921:
1.5 cvs 922: /* There is a parameter */
923: return TRUE;
1.3 cvs 924: }
925:
1.4 cvs 926: /*----------------------------------------------------------------------
1.9 cvs 927: IsW3Path
928: returns TRUE if path is in fact a URL.
1.4 cvs 929: ----------------------------------------------------------------------*/
1.133 vatton 930: ThotBool IsW3Path (const char *path)
1.106 cvs 931: {
1.170 quint 932: if (path == NULL)
933: return FALSE;
1.106 cvs 934: if (strncmp (path, "http:", 5) &&
935: strncmp (path, "ftp:", 4) &&
936: strncmp (path, "telnet:", 7) &&
937: strncmp (path, "wais:", 5) &&
938: strncmp (path, "news:", 5) &&
939: strncmp (path, "gopher:", 7) &&
940: strncmp (path, "mailto:", 7) &&
1.132 cheyroul 941: strncmp (path, "archie:", 7) &&
942: strncmp (path, "https:", 6))
1.72 cvs 943: return FALSE;
944: return TRUE;
1.3 cvs 945: }
946:
1.4 cvs 947: /*----------------------------------------------------------------------
1.90 cvs 948: IsFilePath
949: returns TRUE if path is in fact a URL.
950: ----------------------------------------------------------------------*/
1.133 vatton 951: ThotBool IsFilePath (const char *path)
1.90 cvs 952: {
1.106 cvs 953: if (strncmp (path, "file:", 5))
1.90 cvs 954: return FALSE;
955: return TRUE;
956: }
957:
958: /*----------------------------------------------------------------------
1.9 cvs 959: IsValidProtocol
960: returns true if the url protocol is supported by Amaya.
1.4 cvs 961: ----------------------------------------------------------------------*/
1.133 vatton 962: ThotBool IsValidProtocol (const char *url)
1.106 cvs 963: {
964: if (!strncmp (url, "http:", 5)
965: || !strncmp (url, "internal:", 9)
966: || (AHTFTPURL_flag () && !strncmp (url, "ftp:", 4)))
1.22 cvs 967: /* experimental */
1.24 cvs 968: /*** || !strncmp (path, "news:", 5)***/
1.8 cvs 969: return (TRUE);
1.5 cvs 970: else
1.8 cvs 971: return (FALSE);
1.3 cvs 972: }
973:
1.31 cvs 974:
975: /*----------------------------------------------------------------------
976: GetBaseURL
977: normalizes orgName according to a base associated with doc, and
978: following the standard URL format rules.
979: The function returns the base used to solve relative URL and SRC:
980: - the base of the document,
981: - or the document path (without document name).
982: ----------------------------------------------------------------------*/
1.106 cvs 983: char *GetBaseURL (Document doc)
1.31 cvs 984: {
985: Element el;
986: ElementType elType;
987: AttributeType attrType;
988: Attribute attr;
1.106 cvs 989: char *ptr, *basename;
1.31 cvs 990: int length;
1.151 kahan 991: ThotBool hasDocBase;
1.31 cvs 992:
1.113 cvs 993: if (doc == 0 || !DocumentURLs[doc])
1.110 cvs 994: return NULL;
1.148 kahan 995: /* the other functions expect basename to have no more than MAX_LENGTH chars */
1.171 gully 996: basename = (char *)TtaGetMemory (MAX_LENGTH);
1.148 kahan 997: basename[0] = EOS;
1.31 cvs 998: length = MAX_LENGTH -1;
1.151 kahan 999: hasDocBase = FALSE;
1000:
1001: /* If the document has a base URL, it has a priority over the headers. */
1002: /* @@ We need to do this too when we support XML:base */
1003:
1004: /* is it a HTML document ? */
1005: elType.ElSSchema = TtaGetDocumentSSchema (doc);
1006: if (!strcmp (TtaGetSSchemaName (elType.ElSSchema), "HTML"))
1007: /* it's a HTML document */
1008: {
1009: /* get the document element */
1010: el = TtaGetMainRoot (doc);
1011: /* search the BASE element */
1012: elType.ElTypeNum = HTML_EL_HEAD;
1013: el = TtaSearchTypedElement (elType, SearchForward, el);
1014: if (el)
1015: /* there is a HEAD element */
1016: {
1017: /* look for a BASE element within the HEAD */
1018: elType.ElTypeNum = HTML_EL_BASE;
1019: el = TtaSearchTypedElement (elType, SearchInTree, el);
1020: }
1021: if (el)
1022: {
1023: /* The document has a BASE element. Get the HREF attribute of the
1024: BASE element */
1025: hasDocBase = TRUE;
1026: attrType.AttrSSchema = elType.ElSSchema;
1027: attrType.AttrTypeNum = HTML_ATTR_HREF_;
1028: attr = TtaGetAttribute (el, attrType);
1029: if (attr)
1030: {
1031: /* Use the base path of the document */
1032: TtaGiveTextAttributeValue (attr, basename, &length);
1033: }
1034: }
1035: }
1036:
1037: /* there was no BASE. Do we have a location header? */
1038: if (!hasDocBase && DocumentMeta[doc] && DocumentMeta[doc]->full_content_location
1.148 kahan 1039: && DocumentMeta[doc]->full_content_location[0] != EOS)
1.65 cvs 1040: {
1.148 kahan 1041: strncpy (basename, DocumentMeta[doc]->full_content_location, MAX_LENGTH-1);
1042: basename[MAX_LENGTH-1] = EOS;
1043: length = strlen (basename);
1044: }
1045:
1046: if (basename[0] != EOS)
1047: {
1048: /* base and orgName have to be separated by a DIR_SEP */
1049: length--;
1050: if (basename[0] != EOS && basename[length] != URL_SEP &&
1051: basename[length] != DIR_SEP)
1052: /* verify if the base has the form "protocol://server:port" */
1.31 cvs 1053: {
1.148 kahan 1054: ptr = AmayaParseUrl (basename, "", AMAYA_PARSE_ACCESS |
1055: AMAYA_PARSE_HOST |
1056: AMAYA_PARSE_PUNCTUATION);
1057: if (ptr && !strcmp (ptr, basename))
1.31 cvs 1058: {
1.148 kahan 1059: /* it has this form, complete it by adding a URL_STR */
1060: if (strchr (basename, DIR_SEP))
1061: strcat (basename, DIR_STR);
1062: else
1063: strcat (basename, URL_STR);
1064: length++;
1.31 cvs 1065: }
1.149 kahan 1066: else if (!ptr || ptr[0] == EOS)
1067: {
1068: /* no host was detected, we may have a relative URL. We test
1069: if it begins with a URL_SEP, DIR_SEP or period. If yes, it's
1070: relative. */
1071: if (! (basename[0] == '.' || basename[0] == URL_SEP
1072: || basename[0] == DIR_SEP))
1073: basename[0] = EOS;
1074: }
1.148 kahan 1075: if (ptr)
1076: TtaFreeMemory (ptr);
1.31 cvs 1077: }
1.113 cvs 1078: }
1079:
1.148 kahan 1080: /* there was no base element and no location header, we use the DocumentURL */
1081: if (basename[0] == EOS)
1082: {
1083: strncpy (basename, DocumentURLs[doc], MAX_LENGTH-1);
1084: basename[MAX_LENGTH-1] = EOS;
1085: }
1086:
1.31 cvs 1087: /* Remove anything after the last DIR_SEP char. If no such char is found,
1088: * then search for the first ":" char, hoping that what's before that is a
1089: * protocol. If found, end the string there. If neither char is found,
1090: * then discard the whole base element.
1091: */
1.106 cvs 1092: length = strlen (basename) - 1;
1.31 cvs 1093: /* search for the last DIR_SEP char */
1.106 cvs 1094: while (length >= 0 && basename[length] != URL_SEP && basename[length] != DIR_SEP)
1.31 cvs 1095: length--;
1096: if (length >= 0)
1097: /* found the last DIR_SEP char, end the string there */
1.106 cvs 1098: basename[length + 1] = EOS;
1.31 cvs 1099: else
1100: /* search for the first PATH_STR char */
1101: {
1.106 cvs 1102: for (length = 0; basename[length] != ':' &&
1103: basename[length] != EOS; length ++);
1104: if (basename[length] == ':')
1.31 cvs 1105: /* found, so end the string there */
1.106 cvs 1106: basename[length + 1] = EOS;
1.31 cvs 1107: else
1108: /* not found, discard the base */
1.106 cvs 1109: basename[0] = EOS;
1.31 cvs 1110: }
1111: return (basename);
1112: }
1113:
1114:
1.4 cvs 1115: /*----------------------------------------------------------------------
1.40 cvs 1116: GetLocalPath
1117: Allocate and return the local document path associated to the url
1118: ----------------------------------------------------------------------*/
1.150 vatton 1119: char *GetLocalPath (Document doc, char *url)
1.106 cvs 1120: {
1121: char *ptr;
1122: char *n;
1123: char *documentname;
1124: char url_sep;
1.83 cvs 1125: int len;
1.67 cvs 1126: ThotBool noFile;
1.40 cvs 1127:
1.153 vatton 1128: if (url)
1.40 cvs 1129: {
1130: /* check whether the file name exists */
1.106 cvs 1131: len = strlen (url) - 1;
1.71 cvs 1132: if (IsW3Path (url))
1.157 kahan 1133: url_sep = URL_SEP;
1.41 cvs 1134: else
1.106 cvs 1135: url_sep = DIR_SEP;
1.41 cvs 1136: noFile = (url[len] == url_sep);
1.40 cvs 1137: if (noFile)
1.106 cvs 1138: url[len] = EOS;
1.171 gully 1139: ptr = (char *)TtaGetMemory (MAX_LENGTH);
1140: documentname = (char *)TtaGetMemory (MAX_LENGTH);
1.78 cvs 1141: TtaExtractName (url, ptr, documentname);
1.106 cvs 1142: sprintf (ptr, "%s%s%d%s", TempFileDirectory, DIR_STR, doc, DIR_STR);
1.40 cvs 1143: if (!TtaCheckDirectory (ptr))
1144: /* directory did not exist */
1.72 cvs 1145: TtaMakeDirectory (ptr);
1.47 cvs 1146:
1.153 vatton 1147: if (doc == 0)
1148: {
1149: n = strrchr (documentname, '.');
1150: if (n)
1151: *n = EOS;
1152: if (documentname[0] == EOS)
1153: strcpy (documentname, "noname");
1154: n = GetTempName (ptr, documentname);
1155: TtaFreeMemory (ptr);
1156: ptr = n;
1157: }
1.69 cvs 1158: else
1.153 vatton 1159: {
1160: /* don't include the query string within document name */
1161: n = strrchr (documentname, '?');
1162: if (n)
1163: *n = EOS;
1164: /* don't include ':' within document name */
1165: n = strchr (documentname, ':');
1166: if (n)
1167: *n = EOS;
1168: /* if after all this operations document name
1169: is empty, let's use noname.html instead */
1170: if (documentname[0] == EOS)
1171: strcat (ptr, "noname.html");
1172: else
1173: strcat (ptr, documentname);
1174: }
1.40 cvs 1175: TtaFreeMemory (documentname);
1.157 kahan 1176: /* substitute invalid chars in file names by a _ */
1177: n = ptr;
1178: while (*n)
1179: {
1180: if (*n == '*' || *n == ',')
1181: *n = '_';
1182: n++;
1183: }
1.40 cvs 1184: /* restore the url */
1185: if (noFile)
1.41 cvs 1186: url[len] = url_sep;
1.40 cvs 1187: return (ptr);
1188: }
1189: else
1190: return (NULL);
1191: }
1192:
1.73 cvs 1193: /*----------------------------------------------------------------------
1.79 cvs 1194: ExtractTarget extract the target name from document nane.
1195: ----------------------------------------------------------------------*/
1.150 vatton 1196: void ExtractTarget (char *aName, char *target)
1.79 cvs 1197: {
1.106 cvs 1198: int lg, i;
1199: char *ptr;
1200: char *oldptr;
1.79 cvs 1201:
1202: if (!target || !aName)
1203: /* bad target */
1204: return;
1205:
1.106 cvs 1206: target[0] = EOS;
1207: lg = strlen (aName);
1.79 cvs 1208: if (lg)
1209: {
1210: /* the name is not empty */
1211: oldptr = ptr = &aName[0];
1212: do
1213: {
1.106 cvs 1214: ptr = strrchr (oldptr, '#');
1.79 cvs 1215: if (ptr)
1216: oldptr = &ptr[1];
1217: }
1218: while (ptr);
1219:
1220: i = (int) (oldptr) - (int) (aName); /* name length */
1221: if (i > 1)
1222: {
1.106 cvs 1223: aName[i - 1] = EOS;
1.79 cvs 1224: if (i != lg)
1.106 cvs 1225: strcpy (target, oldptr);
1.79 cvs 1226: }
1227: }
1228: }
1229:
1230: /*----------------------------------------------------------------------
1.90 cvs 1231: RemoveNewLines (text)
1232: Removes any '\n' chars that are found in text.
1233: Returns TRUE if it did the operation, FALSE otherwise.
1.73 cvs 1234: ----------------------------------------------------------------------*/
1.106 cvs 1235: ThotBool RemoveNewLines (char *text)
1236: {
1237: ThotBool change = FALSE;
1238: char *src;
1239: char *dest;
1.90 cvs 1240:
1241: src = text;
1242: dest = text;
1.115 kahan 1243:
1244: /* remove any preceding whitespace */
1245: while (*src && *src == ' ')
1246: {
1247: src++;
1248: change = 1;
1249: }
1250:
1.90 cvs 1251: while (*src)
1252: {
1253: switch (*src)
1254: {
1.106 cvs 1255: case '\n':
1.90 cvs 1256: /* don't copy the newline */
1257: change = 1;
1258: break;
1259: default:
1260: *dest = *src;
1261: dest++;
1262: break;
1263: }
1264: src++;
1265: }
1266: /* copy the last EOS char */
1267: *dest = *src;
1268:
1269: return (change);
1270: }
1271:
1272: /*----------------------------------------------------------------------
1273: CleanCopyFileURL
1274: Copies a file url from a src string to destination string.
1.97 cvs 1275: convertion says which type of convertion (none, %xx, URL_SEP into DIR_SEP
1276: we want to do).
1.90 cvs 1277: ----------------------------------------------------------------------*/
1.106 cvs 1278: static void CleanCopyFileURL (char *dest, char *src,
1279: ConvertionType convertion)
1.90 cvs 1280: {
1281: while (*src)
1.89 cvs 1282: {
1.90 cvs 1283: switch (*src)
1.89 cvs 1284: {
1.173 ! cvs 1285: #ifdef _WINGUI
1.106 cvs 1286: case URL_SEP:
1.96 cvs 1287: /* make DIR_SEP transformation */
1.97 cvs 1288: if (convertion & AM_CONV_URL_SEP)
1.106 cvs 1289: *dest = DIR_SEP;
1.96 cvs 1290: else
1291: *dest = *src;
1.90 cvs 1292: dest++;
1.96 cvs 1293: src++;
1.90 cvs 1294: break;
1.173 ! cvs 1295: #endif /* _WINGUI */
1.96 cvs 1296:
1.106 cvs 1297: case '%':
1.97 cvs 1298: if (convertion & AM_CONV_PERCENT)
1.96 cvs 1299: {
1.97 cvs 1300: /* (code adapted from libwww's HTUnEscape function */
1.96 cvs 1301: src++;
1.106 cvs 1302: if (*src != EOS)
1.97 cvs 1303: {
1304: *dest = UnEscapeChar (*src) * 16;
1305: src++;
1306: }
1.106 cvs 1307: if (*src != EOS)
1.97 cvs 1308: {
1309: *dest = *dest + UnEscapeChar (*src);
1310: src++;
1311: }
1312: dest++;
1.96 cvs 1313: }
1.97 cvs 1314: else
1.96 cvs 1315: {
1.97 cvs 1316: *dest = *src;
1317: dest++;
1.96 cvs 1318: src++;
1319: }
1320: break;
1321:
1.90 cvs 1322: default:
1323: *dest = *src;
1.89 cvs 1324: dest++;
1.96 cvs 1325: src++;
1.90 cvs 1326: break;
1.89 cvs 1327: }
1328: }
1.90 cvs 1329: /* copy the EOS char */
1330: *dest = *src;
1.73 cvs 1331: }
1.40 cvs 1332:
1333: /*----------------------------------------------------------------------
1.9 cvs 1334: NormalizeURL
1335: normalizes orgName according to a base associated with doc, and
1336: following the standard URL format rules.
1.113 cvs 1337: if doc is < 0, use as a base the URL of the document that contains
1338: (or contained) the elements that are now in the copy/cut buffer.
1.53 cvs 1339: if doc is 0 and otherPath not NULL, normalizes orgName according to this
1340: other path.
1.9 cvs 1341: The function returns the new complete and normalized URL
1.12 cvs 1342: or file name path (newName) and the name of the document (docName).
1.9 cvs 1343: N.B. If the function can't find out what's the docName, it assigns
1344: the name "noname.html".
1.4 cvs 1345: ----------------------------------------------------------------------*/
1.106 cvs 1346: void NormalizeURL (char *orgName, Document doc, char *newName,
1347: char *docName, char *otherPath)
1348: {
1349: char *basename;
1350: char tempOrgName[MAX_LENGTH];
1351: char *ptr;
1352: char used_sep;
1.84 cvs 1353: int length;
1354: ThotBool check;
1.5 cvs 1355:
1.173 ! cvs 1356: #ifdef _WINGUI
1.44 cvs 1357: int ndx;
1.173 ! cvs 1358: #endif /* _WINGUI */
1.44 cvs 1359:
1.5 cvs 1360: if (!newName || !docName)
1361: return;
1.18 cvs 1362:
1.113 cvs 1363: if (doc < 0)
1364: basename = TtaStrdup (SavedDocumentURL);
1365: else if (doc > 0)
1.53 cvs 1366: basename = GetBaseURL (doc);
1367: else if (otherPath != NULL)
1.108 cvs 1368: basename = TtaStrdup (otherPath);
1.32 cvs 1369: else
1.53 cvs 1370: basename = NULL;
1.32 cvs 1371:
1.18 cvs 1372: /*
1.31 cvs 1373: * Clean orgName
1374: * Make sure we have a complete orgName, without any leading or trailing
1375: * white spaces, or trailinbg new lines
1376: */
1.5 cvs 1377: ptr = orgName;
1.18 cvs 1378: /* skip leading white space and new line characters */
1.106 cvs 1379: while ((*ptr == SPACE || *ptr == EOL) && *ptr++ != EOS);
1380: strncpy (tempOrgName, ptr, MAX_LENGTH -1);
1381: tempOrgName[MAX_LENGTH -1] = EOS;
1.18 cvs 1382: /*
1.31 cvs 1383: * Make orgName a complete URL
1384: * If the URL does not include a protocol, then try to calculate
1385: * one using the doc's base element (if it exists),
1386: */
1.106 cvs 1387: if (tempOrgName[0] == EOS)
1.53 cvs 1388: {
1.106 cvs 1389: newName[0] = EOS;
1390: docName[0] = EOS;
1.53 cvs 1391: TtaFreeMemory (basename);
1392: return;
1393: }
1.49 cvs 1394:
1395: /* clean trailing white space */
1.106 cvs 1396: length = strlen (tempOrgName) - 1;
1397: while (tempOrgName[length] == SPACE && tempOrgName[length] == EOL)
1.53 cvs 1398: {
1.106 cvs 1399: tempOrgName[length] = EOS;
1.53 cvs 1400: length--;
1401: }
1.50 cvs 1402:
1.55 cvs 1403: /* remove extra dot (which dot???) */
1404: /* ugly, but faster than a strcmp */
1.106 cvs 1405: if (tempOrgName[length] == '.'
1406: && (length == 0 || tempOrgName[length-1] != '.'))
1407: tempOrgName[length] = EOS;
1.50 cvs 1408:
1.94 cvs 1409: if (IsW3Path (tempOrgName))
1.53 cvs 1410: {
1411: /* the name is complete, go to the Sixth Step */
1.106 cvs 1412: strcpy (newName, tempOrgName);
1.53 cvs 1413: SimplifyUrl (&newName);
1414: /* verify if the URL has the form "protocol://server:port" */
1.110 cvs 1415: ptr = AmayaParseUrl (newName, "", AMAYA_PARSE_ACCESS |
1416: AMAYA_PARSE_HOST |
1417: AMAYA_PARSE_PUNCTUATION);
1418: if (ptr && !strcmp (ptr, newName))
1419: /* it has this form, we complete it by adding a DIR_STR */
1.106 cvs 1420: strcat (newName, URL_STR);
1.49 cvs 1421:
1.53 cvs 1422: if (ptr)
1.50 cvs 1423: TtaFreeMemory (ptr);
1.53 cvs 1424: }
1.113 cvs 1425: else if (basename == NULL)
1.53 cvs 1426: /* the name is complete, go to the Sixth Step */
1.106 cvs 1427: strcpy (newName, tempOrgName);
1.53 cvs 1428: else
1429: {
1.31 cvs 1430: /* Calculate the absolute URL, using the base or document URL */
1.173 ! cvs 1431: #ifdef _WINGUI
1.53 cvs 1432: if (!IsW3Path (basename))
1433: {
1.106 cvs 1434: length = strlen (tempOrgName);
1.53 cvs 1435: for (ndx = 0; ndx < length; ndx++)
1.106 cvs 1436: if (tempOrgName [ndx] == '/')
1437: tempOrgName [ndx] = '\\';
1.53 cvs 1438: }
1.173 ! cvs 1439: #endif /* _WINGUI */
1.25 cvs 1440: ptr = AmayaParseUrl (tempOrgName, basename, AMAYA_PARSE_ALL);
1.53 cvs 1441: if (ptr)
1442: {
1443: SimplifyUrl (&ptr);
1.106 cvs 1444: strcpy (newName, ptr);
1.53 cvs 1445: TtaFreeMemory (ptr);
1446: }
1447: else
1.106 cvs 1448: newName[0] = EOS;
1.53 cvs 1449: }
1.36 cvs 1450:
1451: TtaFreeMemory (basename);
1.18 cvs 1452: /*
1.31 cvs 1453: * Prepare the docname that will refer to this ressource in the
1454: * .amaya directory. If the new URL finishes on DIR_SEP, then use
1455: * noname.html as a default ressource name
1.18 cvs 1456: */
1.106 cvs 1457: if (newName[0] != EOS)
1.53 cvs 1458: {
1.106 cvs 1459: length = strlen (newName) - 1;
1460: if (newName[length] == URL_SEP || newName[length] == DIR_SEP)
1.53 cvs 1461: {
1462: used_sep = newName[length];
1463: check = TRUE;
1464: while (check)
1465: {
1.50 cvs 1466: length--;
1467: while (length >= 0 && newName[length] != used_sep)
1.53 cvs 1468: length--;
1.106 cvs 1469: if (!strncmp (&newName[length+1], "..", 2))
1.53 cvs 1470: {
1.106 cvs 1471: newName[length+1] = EOS;
1.53 cvs 1472: /* remove also previous directory */
1473: length--;
1474: while (length >= 0 && newName[length] != used_sep)
1475: length--;
1.106 cvs 1476: if (strncmp (&newName[length+1], "//", 2))
1.131 cheyroul 1477: /* don't remove server name */
1.106 cvs 1478: newName[length+1] = EOS;
1.53 cvs 1479: }
1.106 cvs 1480: else if (!strncmp (&newName[length+1], ".", 1))
1481: newName[length+1] = EOS;
1.50 cvs 1482: else
1.53 cvs 1483: check = FALSE;
1484: }
1485: /* docname was not comprised inside the URL, so let's */
1486: /* assign the default ressource name */
1.106 cvs 1487: strcpy (docName, "noname.html");
1.53 cvs 1488: }
1489: else
1490: { /* docname is comprised inside the URL */
1.110 cvs 1491: while (length >= 0 && newName[length] != URL_SEP &&
1492: newName[length] != DIR_SEP)
1.53 cvs 1493: length--;
1494: if (length < 0)
1.106 cvs 1495: strcpy (docName, newName);
1.53 cvs 1496: else
1.106 cvs 1497: strcpy (docName, &newName[length+1]);
1.53 cvs 1498: }
1499: }
1500: else
1.106 cvs 1501: docName[0] = EOS;
1.18 cvs 1502: }
1.3 cvs 1503:
1.4 cvs 1504: /*----------------------------------------------------------------------
1.9 cvs 1505: IsSameHost
1.4 cvs 1506: ----------------------------------------------------------------------*/
1.106 cvs 1507: ThotBool IsSameHost (const char *url1, const char *url2)
1.3 cvs 1508: {
1.106 cvs 1509: char *basename_ptr1, *basename_ptr2;
1510: ThotBool result;
1.3 cvs 1511:
1.106 cvs 1512: basename_ptr1 = AmayaParseUrl (url1, "",
1513: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1514: basename_ptr2 = AmayaParseUrl (url2, "",
1515: AMAYA_PARSE_ACCESS | AMAYA_PARSE_HOST | AMAYA_PARSE_PUNCTUATION);
1.3 cvs 1516:
1.106 cvs 1517: if (strcmp (basename_ptr1, basename_ptr2))
1518: result = FALSE;
1519: else
1520: result = TRUE;
1521: TtaFreeMemory (basename_ptr1);
1522: TtaFreeMemory (basename_ptr2);
1523: return (result);
1.3 cvs 1524: }
1525:
1526:
1.4 cvs 1527: /*----------------------------------------------------------------------
1.22 cvs 1528: HasKnownFileSuffix
1529: returns TRUE if path points to a file ending with a suffix.
1530: ----------------------------------------------------------------------*/
1.153 vatton 1531: ThotBool HasKnownFileSuffix (const char *path)
1.106 cvs 1532: {
1533: char *root;
1534: char temppath[MAX_LENGTH];
1535: char suffix[MAX_LENGTH];
1.22 cvs 1536:
1.106 cvs 1537: if (!path || path[0] == EOS || path[strlen(path)] == DIR_SEP)
1.22 cvs 1538: return (FALSE);
1539:
1.106 cvs 1540: root = AmayaParseUrl(path, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.22 cvs 1541:
1542: if (root)
1543: {
1.106 cvs 1544: strcpy (temppath, root);
1.25 cvs 1545: TtaFreeMemory (root);
1.22 cvs 1546: /* Get the suffix */
1.124 vatton 1547: TtaExtractSuffix (temppath, suffix);
1.22 cvs 1548:
1.106 cvs 1549: if( suffix[0] == EOS)
1.22 cvs 1550: /* no suffix */
1551: return (FALSE);
1552:
1553: /* Normalize the suffix */
1554: ConvertToLowerCase (suffix);
1555:
1.106 cvs 1556: if (!strcmp (suffix, "gz"))
1.22 cvs 1557: /* skip the compressed suffix */
1558: {
1.124 vatton 1559: TtaExtractSuffix (temppath, suffix);
1.106 cvs 1560: if(suffix[0] == EOS)
1.22 cvs 1561: /* no suffix */
1562: return (FALSE);
1563: /* Normalize the suffix */
1564: ConvertToLowerCase (suffix);
1565: }
1566:
1.106 cvs 1567: if (strcmp (suffix, "gif") &&
1568: strcmp (suffix, "xbm") &&
1569: strcmp (suffix, "xpm") &&
1570: strcmp (suffix, "jpg") &&
1571: strcmp (suffix, "pdf") &&
1572: strcmp (suffix, "png") &&
1573: strcmp (suffix, "tgz") &&
1574: strcmp (suffix, "xpg") &&
1575: strcmp (suffix, "xpd") &&
1576: strcmp (suffix, "ps") &&
1577: strcmp (suffix, "au") &&
1578: strcmp (suffix, "html") &&
1579: strcmp (suffix, "htm") &&
1580: strcmp (suffix, "shtml") &&
1581: strcmp (suffix, "xht") &&
1582: strcmp (suffix, "xhtm") &&
1583: strcmp (suffix, "xhtml") &&
1584: strcmp (suffix, "txt") &&
1585: strcmp (suffix, "css") &&
1586: strcmp (suffix, "eps"))
1.22 cvs 1587: return (FALSE);
1588: else
1589: return (TRUE);
1590: }
1591: else
1592: return (FALSE);
1593: }
1594:
1595:
1596: /*----------------------------------------------------------------------
1.24 cvs 1597: ChopURL
1598: Gives back a URL no longer than MAX_PRINT_URL_LENGTH chars (outputURL).
1599: If inputURL is bigger than that size, outputURL receives
1600: MAX_PRINT_URL_LENGTH / 2 chars from the beginning of inputURL, "...",
1601: and MAX_PRINT_URL_LENGTH / 2 chars from the end of inputURL.
1602: If inputURL is not longer than MAX_PRINT_URL_LENGTH chars, it gets
1603: copied into outputURL.
1604: N.B.: outputURL must point to a memory block of MAX_PRINT_URL_LENGTH
1605: chars.
1606: ----------------------------------------------------------------------*/
1.106 cvs 1607: void ChopURL (char *outputURL, const char *inputURL)
1.24 cvs 1608: {
1609: int len;
1.9 cvs 1610:
1.106 cvs 1611: len = strlen (inputURL);
1.24 cvs 1612: if (len <= MAX_PRINT_URL_LENGTH)
1.106 cvs 1613: strcpy (outputURL, inputURL);
1.24 cvs 1614: else
1615: /* make a truncated urlName on the status window */
1616: {
1.106 cvs 1617: strncpy (outputURL, inputURL, MAX_PRINT_URL_LENGTH / 2);
1618: outputURL [MAX_PRINT_URL_LENGTH / 2] = EOS;
1619: strcat (outputURL, "...");
1620: strcat (outputURL, &(inputURL[len - MAX_PRINT_URL_LENGTH / 2 ]));
1.24 cvs 1621: }
1.25 cvs 1622: }
1623:
1624:
1625: /*----------------------------------------------------------------------
1626: scan
1.47 cvs 1627: Scan a filename for its constituents
1.25 cvs 1628: -----------------------------------
1629:
1630: On entry,
1631: name points to a document name which may be incomplete.
1632: On exit,
1633: absolute or relative may be nonzero (but not both).
1634: host, fragment and access may be nonzero if they were specified.
1635: Any which are nonzero point to zero terminated strings.
1636: ----------------------------------------------------------------------*/
1.106 cvs 1637: static void scan (char *name, HTURI *parts)
1.25 cvs 1638: {
1.106 cvs 1639: char * p;
1640: char * after_access = name;
1.32 cvs 1641:
1.43 cvs 1642: memset (parts, '\0', sizeof (HTURI));
1.28 cvs 1643: /* Look for fragment identifier */
1.106 cvs 1644: if ((p = strchr(name, '#')) != NULL)
1.28 cvs 1645: {
1.106 cvs 1646: *p++ = '\0';
1.28 cvs 1647: parts->fragment = p;
1.25 cvs 1648: }
1649:
1.28 cvs 1650: for (p=name; *p; p++)
1651: {
1.106 cvs 1652: if (*p == URL_SEP || *p == DIR_SEP || *p == '#' || *p == '?')
1.28 cvs 1653: break;
1.106 cvs 1654: if (*p == ':')
1.28 cvs 1655: {
1656: *p = 0;
1657: parts->access = after_access; /* Scheme has been specified */
1658:
1659: /* The combination of gcc, the "-O" flag and the HP platform is
1660: unhealthy. The following three lines is a quick & dirty fix, but is
1661: not recommended. Rather, turn off "-O". */
1662:
1663: /* after_access = p;*/
1664: /* while (*after_access == 0)*/
1665: /* after_access++;*/
1666: after_access = p+1;
1.106 cvs 1667: if (!strcasecmp("URL", parts->access))
1.28 cvs 1668: /* Ignore IETF's URL: pre-prefix */
1669: parts->access = NULL;
1670: else
1.25 cvs 1671: break;
1672: }
1673: }
1674:
1675: p = after_access;
1.43 cvs 1676: if (*p == URL_SEP || *p == DIR_SEP)
1.28 cvs 1677: {
1.43 cvs 1678: if (p[1] == URL_SEP)
1.28 cvs 1679: {
1.25 cvs 1680: parts->host = p+2; /* host has been specified */
1.28 cvs 1681: *p = 0; /* Terminate access */
1682: /* look for end of host name if any */
1.106 cvs 1683: p = strchr (parts->host, URL_SEP);
1.28 cvs 1684: if (p)
1685: {
1.106 cvs 1686: *p = EOS; /* Terminate host */
1.25 cvs 1687: parts->absolute = p+1; /* Root has been found */
1.28 cvs 1688: }
1689: }
1690: else
1691: /* Root found but no host */
1692: parts->absolute = p+1;
1693: }
1694: else
1695: {
1.25 cvs 1696: parts->relative = (*after_access) ? after_access : 0; /* zero for "" */
1.28 cvs 1697: }
1.25 cvs 1698: }
1699:
1700:
1701: /*----------------------------------------------------------------------
1.28 cvs 1702: AmayaParseUrl: parse a Name relative to another name
1703:
1704: This returns those parts of a name which are given (and requested)
1705: substituting bits from the related name where necessary.
1.25 cvs 1706:
1.28 cvs 1707: On entry,
1.25 cvs 1708: aName A filename given
1709: relatedName A name relative to which aName is to be parsed. Give
1710: it an empty string if aName is absolute.
1711: wanted A mask for the bits which are wanted.
1712:
1.28 cvs 1713: On exit,
1.25 cvs 1714: returns A pointer to a malloc'd string which MUST BE FREED
1715: ----------------------------------------------------------------------*/
1.106 cvs 1716: char *AmayaParseUrl (const char *aName, char *relatedName, int wanted)
1717: {
1718: char *return_value;
1719: char result[MAX_LENGTH];
1720: char name[MAX_LENGTH];
1721: char rel[MAX_LENGTH];
1722: char *p, *access;
1.29 cvs 1723: HTURI given, related;
1724: int len;
1.106 cvs 1725: char used_sep;
1726: char *used_str;
1.32 cvs 1727:
1.106 cvs 1728: if (strchr (aName, DIR_SEP) || strchr (relatedName, DIR_SEP))
1.33 cvs 1729: {
1.106 cvs 1730: used_str = DIR_STR;
1731: used_sep = DIR_SEP;
1.33 cvs 1732: }
1.32 cvs 1733: else
1.33 cvs 1734: {
1.106 cvs 1735: used_str = URL_STR;
1736: used_sep = URL_SEP;
1.33 cvs 1737: }
1.32 cvs 1738:
1.29 cvs 1739: /* Make working copies of input strings to cut up: */
1740: return_value = NULL;
1741: result[0] = 0; /* Clear string */
1.169 quint 1742: rel[0] = EOS;
1743: strncpy (name, aName, MAX_LENGTH - 1);
1744: name[MAX_LENGTH - 1] = EOS;
1745: if (relatedName != NULL)
1746: {
1747: strncpy (rel, relatedName, MAX_LENGTH - 1);
1748: rel[MAX_LENGTH - 1] = EOS;
1749: }
1.29 cvs 1750: else
1.106 cvs 1751: relatedName[0] = EOS;
1.29 cvs 1752:
1753: scan (name, &given);
1754: scan (rel, &related);
1755: access = given.access ? given.access : related.access;
1756: if (wanted & AMAYA_PARSE_ACCESS)
1757: if (access)
1758: {
1.106 cvs 1759: strcat (result, access);
1.29 cvs 1760: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1761: strcat (result, ":");
1.29 cvs 1762: }
1763:
1764: if (given.access && related.access)
1765: /* If different, inherit nothing. */
1.106 cvs 1766: if (strcmp (given.access, related.access) != 0)
1.29 cvs 1767: {
1768: related.host = 0;
1769: related.absolute = 0;
1770: related.relative = 0;
1771: related.fragment = 0;
1772: }
1773:
1774: if (wanted & AMAYA_PARSE_HOST)
1775: if(given.host || related.host)
1776: {
1777: if(wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1778: strcat (result, "//");
1779: strcat (result, given.host ? given.host : related.host);
1.29 cvs 1780: }
1781:
1782: if (given.host && related.host)
1783: /* If different hosts, inherit no path. */
1.106 cvs 1784: if (strcmp (given.host, related.host) != 0)
1.29 cvs 1785: {
1786: related.absolute = 0;
1787: related.relative = 0;
1788: related.fragment = 0;
1789: }
1790:
1791: if (wanted & AMAYA_PARSE_PATH)
1792: {
1793: if (given.absolute)
1794: {
1795: /* All is given */
1796: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1797: strcat (result, used_str);
1798: strcat (result, given.absolute);
1.25 cvs 1799: }
1.29 cvs 1800: else if (related.absolute)
1801: {
1802: /* Adopt path not name */
1.106 cvs 1803: strcat (result, used_str);
1804: strcat (result, related.absolute);
1.29 cvs 1805: if (given.relative)
1806: {
1807: /* Search part? */
1.106 cvs 1808: p = strchr (result, '?');
1.29 cvs 1809: if (!p)
1.106 cvs 1810: p=result+strlen(result)-1;
1.33 cvs 1811: for (; *p!=used_sep; p--); /* last / */
1.29 cvs 1812: /* Remove filename */
1813: p[1]=0;
1814: /* Add given one */
1.106 cvs 1815: strcat (result, given.relative);
1.25 cvs 1816: }
1817: }
1.29 cvs 1818: else if (given.relative)
1819: /* what we've got */
1.106 cvs 1820: strcat (result, given.relative);
1.29 cvs 1821: else if (related.relative)
1.106 cvs 1822: strcat (result, related.relative);
1.29 cvs 1823: else
1824: /* No inheritance */
1.106 cvs 1825: strcat (result, used_str);
1.25 cvs 1826: }
1.29 cvs 1827:
1828: if (wanted & AMAYA_PARSE_ANCHOR)
1829: if (given.fragment || related.fragment)
1830: {
1831: if (given.absolute && given.fragment)
1832: {
1833: /*Fixes for relURLs...*/
1834: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1835: strcat (result, "#");
1836: strcat (result, given.fragment);
1.29 cvs 1837: }
1838: else if (!(given.absolute) && !(given.fragment))
1.106 cvs 1839: strcat (result, "");
1.29 cvs 1840: else
1841: {
1.110 cvs 1842: if (wanted & AMAYA_PARSE_PUNCTUATION)
1.106 cvs 1843: strcat (result, "#");
1.110 cvs 1844: strcat (result, given.fragment ? given.fragment : related.fragment);
1.29 cvs 1845: }
1846: }
1.106 cvs 1847: len = strlen (result);
1.171 gully 1848: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 1849: strcpy (return_value, result);
1.29 cvs 1850: return (return_value); /* exactly the right length */
1.25 cvs 1851: }
1852:
1853: /*----------------------------------------------------------------------
1854: HTCanon
1855: Canonicalizes the URL in the following manner starting from the host
1856: pointer:
1857:
1858: 1) The host name is converted to lowercase
1859: 2) Chop off port if `:80' (http), `:70' (gopher), or `:21' (ftp)
1860:
1861: Return: OK The position of the current path part of the URL
1862: which might be the old one or a new one.
1863:
1864: ----------------------------------------------------------------------*/
1.106 cvs 1865: static char *HTCanon (char **filename, char *host)
1866: {
1867: char *newname = NULL;
1868: char used_sep;
1869: char *path;
1870: char *strptr;
1871: char *port;
1872: char *access = host-3;
1873:
1874: if (*filename && strchr (*filename, URL_SEP))
1875: used_sep = URL_SEP;
1.33 cvs 1876: else
1.106 cvs 1877: used_sep = DIR_SEP;
1.32 cvs 1878:
1.110 cvs 1879: while (access > *filename && *(access - 1) != used_sep) /* Find access method */
1.25 cvs 1880: access--;
1.110 cvs 1881: if ((path = strchr (host, used_sep)) == NULL) /* Find path */
1.106 cvs 1882: path = host + strlen (host);
1883: if ((strptr = strchr (host, '@')) != NULL && strptr < path) /* UserId */
1.82 cvs 1884: host = strptr;
1.110 cvs 1885: if ((port = strchr (host, ':')) != NULL && port > path) /* Port number */
1.82 cvs 1886: port = NULL;
1.25 cvs 1887:
1888: strptr = host; /* Convert to lower-case */
1.82 cvs 1889: while (strptr < path)
1.33 cvs 1890: {
1.123 vatton 1891: *strptr = tolower (*strptr);
1.82 cvs 1892: strptr++;
1.33 cvs 1893: }
1.25 cvs 1894:
1895: /* Does the URL contain a full domain name? This also works for a
1896: numerical host name. The domain name is already made lower-case
1897: and without a trailing dot. */
1898: {
1.106 cvs 1899: char *dot = port ? port : path;
1900: if (dot > *filename && *--dot == '.')
1.33 cvs 1901: {
1.106 cvs 1902: char *orig = dot;
1903: char *dest = dot + 1;
1.82 cvs 1904: while ((*orig++ = *dest++));
1905: if (port) port--;
1.33 cvs 1906: path--;
1.25 cvs 1907: }
1908: }
1909: /* Chop off port if `:', `:80' (http), `:70' (gopher), or `:21' (ftp) */
1.33 cvs 1910: if (port)
1911: {
1.82 cvs 1912: if (!*(port+1) || *(port+1) == used_sep)
1.33 cvs 1913: {
1914: if (!newname)
1915: {
1.106 cvs 1916: char *orig = port;
1917: char *dest = port + 1;
1.82 cvs 1918: while ((*orig++ = *dest++));
1.33 cvs 1919: }
1920: }
1.106 cvs 1921: else if ((!strncmp (access, "http", 4) &&
1922: (*(port + 1) == '8' &&
1923: *(port+2) == '0' &&
1.82 cvs 1924: (*(port+3) == used_sep || !*(port + 3)))) ||
1.106 cvs 1925: (!strncmp (access, "gopher", 6) &&
1926: (*(port+1) == '7' &&
1927: *(port+2) == '0' &&
1.82 cvs 1928: (*(port+3) == used_sep || !*(port+3)))) ||
1.106 cvs 1929: (!strncmp (access, "ftp", 3) &&
1930: (*(port+1) == '2' &&
1931: *(port + 2) == '1' &&
1.82 cvs 1932: (*(port+3) == used_sep || !*(port+3))))) {
1.33 cvs 1933: if (!newname)
1934: {
1.106 cvs 1935: char *orig = port;
1936: char *dest = port + 3;
1.33 cvs 1937: while((*orig++ = *dest++));
1938: /* Update path position, Henry Minsky */
1939: path -= 3;
1.25 cvs 1940: }
1.33 cvs 1941: }
1942: else if (newname)
1.106 cvs 1943: strncat (newname, port, (int) (path - port));
1.33 cvs 1944: }
1.25 cvs 1945:
1.33 cvs 1946: if (newname)
1947: {
1.106 cvs 1948: char *newpath = newname + strlen (newname);
1949: strcat (newname, path);
1.25 cvs 1950: path = newpath;
1.28 cvs 1951: /* Free old copy */
1952: TtaFreeMemory(*filename);
1.25 cvs 1953: *filename = newname;
1.33 cvs 1954: }
1.25 cvs 1955: return path;
1956: }
1957:
1958:
1959: /*----------------------------------------------------------------------
1.29 cvs 1960: SimplifyUrl: simplify a URI
1.32 cvs 1961: A URI is allowed to contain the sequence xxx/../ which may be
1962: replaced by "" , and the sequence "/./" which may be replaced by DIR_STR.
1.28 cvs 1963: Simplification helps us recognize duplicate URIs.
1.25 cvs 1964:
1.28 cvs 1965: Thus, /etc/junk/../fred becomes /etc/fred
1966: /etc/junk/./fred becomes /etc/junk/fred
1.25 cvs 1967:
1.28 cvs 1968: but we should NOT change
1969: http://fred.xxx.edu/../..
1.25 cvs 1970:
1971: or ../../albert.html
1972:
1.28 cvs 1973: In order to avoid empty URLs the following URLs become:
1.25 cvs 1974:
1975: /fred/.. becomes /fred/..
1976: /fred/././.. becomes /fred/..
1977: /fred/.././junk/.././ becomes /fred/..
1978:
1.28 cvs 1979: If more than one set of `://' is found (several proxies in cascade) then
1980: only the part after the last `://' is simplified.
1.25 cvs 1981:
1.28 cvs 1982: Returns: A string which might be the old one or a new one.
1.25 cvs 1983: ----------------------------------------------------------------------*/
1.106 cvs 1984: void SimplifyUrl (char **url)
1985: {
1986: char *path;
1987: char *access;
1988: char *newptr;
1989: char *p;
1990: char *orig, *dest, *end;
1.28 cvs 1991:
1.106 cvs 1992: char used_sep;
1.77 cvs 1993: ThotBool ddot_simplify; /* used to desactivate the double dot simplifcation:
1994: something/../ simplification in relative URLs when they start with a ../ */
1.32 cvs 1995:
1.28 cvs 1996: if (!url || !*url)
1997: return;
1998:
1.106 cvs 1999: if (strchr (*url, URL_SEP))
2000: used_sep = URL_SEP;
1.32 cvs 2001: else
1.106 cvs 2002: used_sep = DIR_SEP;
1.32 cvs 2003:
1.77 cvs 2004: /* should we simplify double dot? */
2005: path = *url;
1.106 cvs 2006: if (*path == '.' && *(path + 1) == '.')
1.77 cvs 2007: ddot_simplify = FALSE;
2008: else
2009: ddot_simplify = TRUE;
2010:
1.28 cvs 2011: /* Find any scheme name */
1.106 cvs 2012: if ((path = strstr (*url, "://")) != NULL)
1.33 cvs 2013: {
2014: /* Find host name */
1.28 cvs 2015: access = *url;
1.123 vatton 2016: while (access < path && (*access = tolower (*access)))
1.82 cvs 2017: access++;
1.28 cvs 2018: path += 3;
1.106 cvs 2019: while ((newptr = strstr (path, "://")) != NULL)
1.82 cvs 2020: /* For proxies */
1.106 cvs 2021: path = newptr + 3;
1.82 cvs 2022: /* We have a host name */
1.84 cvs 2023: path = HTCanon (url, path);
1.25 cvs 2024: }
1.106 cvs 2025: else if ((path = strstr (*url, ":/")) != NULL)
1.28 cvs 2026: path += 2;
2027: else
2028: path = *url;
1.84 cvs 2029: if (*path == used_sep && *(path+1) == used_sep)
1.28 cvs 2030: /* Some URLs start //<foo> */
2031: path += 1;
1.94 cvs 2032: else if (IsFilePath (path))
2033: {
2034: /* doesn't need to do anything more */
2035: return;
2036: }
1.106 cvs 2037: else if (!strncmp (path, "news:", 5))
1.28 cvs 2038: {
1.106 cvs 2039: newptr = strchr (path+5, '@');
1.28 cvs 2040: if (!newptr)
2041: newptr = path + 5;
2042: while (*newptr)
2043: {
2044: /* Make group or host lower case */
1.123 vatton 2045: *newptr = tolower (*newptr);
1.28 cvs 2046: newptr++;
1.25 cvs 2047: }
1.28 cvs 2048: /* Doesn't need to do any more */
2049: return;
1.25 cvs 2050: }
1.130 cheyroul 2051:
1.126 cheyroul 2052:
1.28 cvs 2053: if ((p = path))
2054: {
1.106 cvs 2055: if (!((end = strchr (path, ';')) || (end = strchr (path, '?')) ||
2056: (end = strchr (path, '#'))))
2057: end = path + strlen (path);
1.28 cvs 2058:
2059: /* Parse string second time to simplify */
2060: p = path;
2061: while (p < end)
2062: {
1.110 cvs 2063: /* if we're pointing to a char, it's safe to reactivate the
2064: ../ convertion */
1.106 cvs 2065: if (!ddot_simplify && *p != '.' && *p != used_sep)
1.77 cvs 2066: ddot_simplify = TRUE;
2067:
1.33 cvs 2068: if (*p==used_sep)
1.28 cvs 2069: {
1.106 cvs 2070: if (p > *url && *(p+1) == '.' && (*(p+2) == used_sep || !*(p+2)))
1.28 cvs 2071: {
2072: orig = p + 1;
1.84 cvs 2073: dest = (*(p+2) != used_sep) ? p+2 : p+3;
1.52 cvs 2074: while ((*orig++ = *dest++)); /* Remove a used_sep and a dot*/
1.28 cvs 2075: end = orig - 1;
2076: }
1.106 cvs 2077: else if (ddot_simplify && *(p+1) == '.' && *(p+2) == '.'
1.77 cvs 2078: && (*(p+3) == used_sep || !*(p+3)))
1.28 cvs 2079: {
2080: newptr = p;
1.52 cvs 2081: while (newptr>path && *--newptr!=used_sep); /* prev used_sep */
2082: if (*newptr == used_sep)
2083: orig = newptr + 1;
1.28 cvs 2084: else
1.52 cvs 2085: orig = newptr;
2086:
2087: dest = (*(p+3) != used_sep) ? p+3 : p+4;
2088: while ((*orig++ = *dest++)); /* Remove /xxx/.. */
2089: end = orig-1;
2090: /* Start again with prev slash */
2091: p = newptr;
1.28 cvs 2092: }
1.33 cvs 2093: else if (*(p+1) == used_sep)
1.28 cvs 2094: {
1.33 cvs 2095: while (*(p+1) == used_sep)
1.28 cvs 2096: {
2097: orig = p;
2098: dest = p + 1;
2099: while ((*orig++ = *dest++)); /* Remove multiple /'s */
2100: end = orig-1;
2101: }
2102: }
2103: else
1.25 cvs 2104: p++;
1.28 cvs 2105: }
2106: else
2107: p++;
1.25 cvs 2108: }
2109: }
1.51 cvs 2110: /*
2111: ** Check for host/../.. kind of things
2112: */
1.106 cvs 2113: if (*path == used_sep && *(path+1) == '.' && *(path+2) == '.'
1.77 cvs 2114: && (!*(path+3) || *(path+3) == used_sep))
1.106 cvs 2115: *(path+1) = EOS;
1.28 cvs 2116: return;
2117: }
2118:
2119:
2120: /*----------------------------------------------------------------------
1.96 cvs 2121: NormalizeFile normalizes local names.
1.28 cvs 2122: Return TRUE if target and src differ.
2123: ----------------------------------------------------------------------*/
1.106 cvs 2124: ThotBool NormalizeFile (char *src, char *target, ConvertionType convertion)
1.28 cvs 2125: {
1.173 ! cvs 2126: #ifndef _WINGUI
1.106 cvs 2127: char *s;
1.93 cvs 2128: int i;
1.173 ! cvs 2129: #endif /* !_WINGUI */
1.82 cvs 2130: ThotBool change;
1.90 cvs 2131: int start_index; /* the first char that we'll copy */
1.28 cvs 2132:
1.54 cvs 2133: change = FALSE;
1.90 cvs 2134: start_index = 0;
2135:
1.106 cvs 2136: if (!src || src[0] == EOS)
1.96 cvs 2137: {
1.106 cvs 2138: target[0] = EOS;
1.96 cvs 2139: return FALSE;
2140: }
1.90 cvs 2141:
2142: /* @@ do I need file: or file:/ here? */
1.106 cvs 2143: if (strncmp (src, "file:", 5) == 0)
1.28 cvs 2144: {
1.90 cvs 2145: /* remove the prefix file: */
2146: start_index += 5;
2147:
2148: /* remove the localhost prefix */
1.106 cvs 2149: if (strncmp (&src[start_index], "//localhost/", 12) == 0)
1.94 cvs 2150: start_index += 11;
2151:
2152: /* remove the first two slashes in / / /path */
2153: while (src[start_index] &&
1.106 cvs 2154: src[start_index] == '/'
2155: && src[start_index + 1] == '/')
1.94 cvs 2156: start_index++;
2157:
1.173 ! cvs 2158: #ifdef _WINGUI
1.94 cvs 2159: /* remove any extra slash before the drive name */
1.106 cvs 2160: if (src[start_index] == '/'
2161: &&src[start_index+2] == ':')
1.94 cvs 2162: start_index++;
1.173 ! cvs 2163: #endif /* _WINGUI */
1.90 cvs 2164:
1.106 cvs 2165: if (src[start_index] == EOS)
1.90 cvs 2166: /* if there's nothing afterwards, add a DIR_STR */
1.106 cvs 2167: strcpy (target, DIR_STR);
1.90 cvs 2168: else
1.97 cvs 2169: /* as we're inside a file: URL, we'll apply all the convertions
2170: we know */
2171: CleanCopyFileURL (target, &src[start_index], AM_CONV_ALL);
1.96 cvs 2172:
2173: change = TRUE;
2174: }
1.97 cvs 2175: else if (convertion != AM_CONV_NONE)
1.96 cvs 2176: {
2177: /* we are following a "local" relative link, we do all the
2178: convertions except for the HOME_DIR ~ one */
1.97 cvs 2179: CleanCopyFileURL (target, src, convertion);
1.28 cvs 2180: }
1.173 ! cvs 2181: #ifndef _WINGUI
1.106 cvs 2182: else if (src[0] == '~')
1.53 cvs 2183: {
1.96 cvs 2184: /* it must be a URL typed in a text input field */
2185: /* do the HOME_DIR ~ substitution */
1.82 cvs 2186: s = TtaGetEnvString ("HOME");
1.106 cvs 2187: strcpy (target, s);
1.90 cvs 2188: #if 0
1.96 cvs 2189: /* JK: invalidated this part of the code as it's simpler
2190: to add the DIR_SEP whenever we have something to add
2191: to the path rather than adding it systematically */
1.106 cvs 2192: if (src[1] != DIR_SEP)
2193: strcat (target, DIR_STR);
1.90 cvs 2194: #endif
1.106 cvs 2195: i = strlen (target);
2196: strcpy (&target[i], &src[1]);
1.54 cvs 2197: change = TRUE;
1.53 cvs 2198: }
1.173 ! cvs 2199: #endif /* _WINGUI */
1.28 cvs 2200: else
1.96 cvs 2201: /* leave it as it is */
1.106 cvs 2202: strcpy (target, src);
1.96 cvs 2203:
1.28 cvs 2204: /* remove /../ and /./ */
1.29 cvs 2205: SimplifyUrl (&target);
1.54 cvs 2206: if (!change)
1.106 cvs 2207: change = strcmp (src, target);
1.28 cvs 2208: return (change);
1.25 cvs 2209: }
2210:
1.28 cvs 2211:
1.25 cvs 2212: /*----------------------------------------------------------------------
1.31 cvs 2213: MakeRelativeURL: make relative name
1.25 cvs 2214:
1.28 cvs 2215: This function creates and returns a string which gives an expression of
2216: one address as related to another. Where there is no relation, an absolute
2217: address is retured.
1.25 cvs 2218:
1.28 cvs 2219: On entry,
1.25 cvs 2220: Both names must be absolute, fully qualified names of nodes
2221: (no fragment bits)
2222:
1.28 cvs 2223: On exit,
1.25 cvs 2224: The return result points to a newly allocated name which, if
2225: parsed by AmayaParseUrl relative to relatedName, will yield aName.
2226: The caller is responsible for freeing the resulting name later.
2227: ----------------------------------------------------------------------*/
1.106 cvs 2228: char *MakeRelativeURL (char *aName, char *relatedName)
2229: {
2230: char *return_value;
2231: char result[MAX_LENGTH];
2232: char *p;
2233: char *q;
2234: char *after_access;
2235: char *last_slash = NULL;
2236: int slashes, levels, len;
1.173 ! cvs 2237: #ifdef _WINGUI
1.44 cvs 2238: int ndx;
1.173 ! cvs 2239: #endif /* _WINGUI */
1.44 cvs 2240:
1.29 cvs 2241: if (aName == NULL || relatedName == NULL)
2242: return (NULL);
2243:
2244: slashes = 0;
2245: after_access = NULL;
2246: p = aName;
2247: q = relatedName;
1.147 vatton 2248: len = 0;
2249: for (; *p && !strncasecmp (p, q, 1); p++, q++, len++)
1.27 cvs 2250: {
2251: /* Find extent of match */
1.106 cvs 2252: if (*p == ':')
1.146 cvs 2253: {
1.168 cvs 2254: after_access = p + 1;
1.173 ! cvs 2255: #ifdef _WINGUI
1.168 cvs 2256: if (len == 1)
2257: {
2258: /* it's a local Windows path like c:... */
2259: slashes+=2;
2260: }
1.173 ! cvs 2261: #endif /* _WINGUI */
1.168 cvs 2262: }
2263: if (*p == DIR_SEP)
2264: {
2265: /* memorize the last slash position and count them */
2266: last_slash = p;
1.147 vatton 2267: slashes++;
1.146 cvs 2268: }
1.25 cvs 2269: }
2270:
1.31 cvs 2271: /* q, p point to the first non-matching character or zero */
1.106 cvs 2272: if (*q == EOS)
1.31 cvs 2273: {
2274: /* New name is a subset of the related name */
2275: /* exactly the right length */
1.106 cvs 2276: len = strlen (p);
1.171 gully 2277: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2278: strcpy (return_value, p);
1.31 cvs 2279: }
2280: else if ((slashes < 2 && after_access == NULL)
2281: || (slashes < 3 && after_access != NULL))
1.168 cvs 2282: {
1.31 cvs 2283: /* Two names whitout common path */
2284: /* exactly the right length */
1.106 cvs 2285: len = strlen (aName);
1.171 gully 2286: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2287: strcpy (return_value, aName);
1.31 cvs 2288: }
2289: else
2290: {
2291: /* Some path in common */
1.106 cvs 2292: if (slashes == 3 && strncmp (aName, "http:", 5) == 0)
1.31 cvs 2293: /* just the same server */
1.106 cvs 2294: strcpy (result, last_slash);
1.31 cvs 2295: else
2296: {
2297: levels= 0;
1.106 cvs 2298: for (; *q && *q != '#' && *q != ';' && *q != '?'; q++)
1.31 cvs 2299: if (*q == DIR_SEP)
2300: levels++;
2301:
1.106 cvs 2302: result[0] = EOS;
1.31 cvs 2303: for (;levels; levels--)
1.106 cvs 2304: strcat (result, "../");
2305: strcat (result, last_slash+1);
1.31 cvs 2306: }
1.52 cvs 2307:
2308: if (!*result)
1.106 cvs 2309: strcat (result, "./");
1.52 cvs 2310:
1.31 cvs 2311: /* exactly the right length */
1.106 cvs 2312: len = strlen (result);
1.171 gully 2313: if ((return_value = (char *)TtaGetMemory (len + 1)) != NULL)
1.106 cvs 2314: strcpy (return_value, result);
1.52 cvs 2315:
1.25 cvs 2316: }
1.173 ! cvs 2317: #ifdef _WINGUI
1.106 cvs 2318: len = strlen (return_value);
1.168 cvs 2319: for (ndx = 0; ndx < len; ndx ++)
1.106 cvs 2320: if (return_value[ndx] == '\\')
2321: return_value[ndx] = '/' ;
1.173 ! cvs 2322: #endif /* _WINGUI */
1.29 cvs 2323: return (return_value);
1.24 cvs 2324: }
1.35 cvs 2325:
1.104 kahan 2326: /*----------------------------------------------------------------------
2327: AM_GetFileSize
2328: Returns TRUE and the filesize in the 2nd parameter.
2329: Otherwise, in case of a system error, returns FALSE, with a
2330: filesize of 0L.
2331: ---------------------------------------------------------------------*/
1.106 cvs 2332: ThotBool AM_GetFileSize (char *filename, unsigned long *file_size)
1.104 kahan 2333: {
1.106 cvs 2334: ThotFileHandle handle = ThotFile_BADHANDLE;
2335: ThotFileInfo info;
1.35 cvs 2336:
1.104 kahan 2337: *file_size = 0L;
2338: if (!TtaFileExist (filename))
2339: return FALSE;
2340:
2341: handle = TtaFileOpen (filename, ThotFile_READWRITE);
2342: if (handle == ThotFile_BADHANDLE)
2343: /* ThotFile_BADHANDLE */
2344: return FALSE;
2345: if (TtaFileStat (handle, &info) == 0)
2346: /* bad stat */
2347: info.size = 0L;
2348: TtaFileClose (handle);
2349: *file_size = (unsigned long) info.size;
2350: return TRUE;
2351: }
1.139 kahan 2352:
2353: /*----------------------------------------------------------------------
2354: AM_UseXHTMLMimeType
2355: Returns TRUE if the user has configured Amaya to use this MIME type,
2356: FALSE otherwise.
2357: ---------------------------------------------------------------------*/
2358: ThotBool AM_UseXHTMLMimeType (void)
2359: {
2360: ThotBool xhtml_mimetype;
2361:
2362: /* does the user wants to use the new MIME type? */
2363: TtaGetEnvBoolean ("ENABLE_XHTML_MIMETYPE", &xhtml_mimetype);
2364:
2365: return (xhtml_mimetype);
1.152 kahan 2366: }
2367:
1.154 kahan 2368:
2369: /********************************************
2370: The following routines were adapted from the GNU libc functions
2371: for generating a tmpnam.
2372: *********************************************/
2373:
2374: /* These are the characters used in temporary filenames. */
2375: static const char letters[] =
2376: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
2377:
2378: /* Generate a temporary file name based on TMPL. TMPL must match the
2379: rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
2380: does not exist at the time of the call to __gen_tempname. TMPL is
2381: overwritten with the result.
2382:
2383: We use a clever algorithm to get hard-to-predict names. */
2384: void
2385: AM_gen_tempname (char *tmpl)
2386: {
2387: int len;
2388: char *XXXXXX;
2389: static uint64_t value;
2390: uint64_t random_time_bits;
2391: unsigned int count;
2392: int save_errno = errno;
2393: struct stat st;
2394:
2395: /* A lower bound on the number of temporary files to attempt to
2396: generate. The maximum total number of temporary file names that
2397: can exist for a given template is 62**6. It should never be
2398: necessary to try all these combinations. Instead if a reasonable
2399: number of names is tried (we define reasonable as 62**3) fail to
2400: give the system administrator the chance to remove the problems. */
2401: unsigned int attempts_min = 62 * 62 * 62;
2402:
2403: /* The number of times to attempt to generate a temporary file. To
2404: conform to POSIX, this must be no smaller than TMP_MAX. */
2405: unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
2406:
2407: len = strlen (tmpl);
2408: if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
2409: {
2410: /* @@ JK ? */
2411: errno = EINVAL;
2412: return;
2413: }
2414:
2415: /* This is where the Xs start. */
2416: XXXXXX = &tmpl[len - 6];
2417:
2418: /* Get some more or less random data. */
2419: #ifdef RANDOM_BITS
2420: RANDOM_BITS (random_time_bits);
2421: #else
2422: # if HAVE_GETTIMEOFDAY || _LIBC
2423: {
2424: struct timeval tv;
2425: gettimeofday (&tv, NULL);
2426: random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
2427: }
2428: # else
2429: random_time_bits = time (NULL);
2430: # endif
2431: #endif
2432: value += random_time_bits ^ getpid ();
2433:
2434: for (count = 0; count < attempts; value += 7777, ++count)
2435: {
2436: uint64_t v = value;
2437:
2438: /* Fill in the random bits. */
2439: XXXXXX[0] = letters[v % 62];
2440: v /= 62;
2441: XXXXXX[1] = letters[v % 62];
2442: v /= 62;
2443: XXXXXX[2] = letters[v % 62];
2444: v /= 62;
2445: XXXXXX[3] = letters[v % 62];
2446: v /= 62;
2447: XXXXXX[4] = letters[v % 62];
2448: v /= 62;
2449: XXXXXX[5] = letters[v % 62];
2450:
2451: /* This case is backward from the other three. AM_gen_tempname
2452: succeeds if __xstat fails because the name does not exist.
2453: Note the continue to bypass the common logic at the bottom
2454: of the loop. */
2455: if (stat (tmpl, &st) < 0)
2456: break;
2457:
2458: continue;
2459: }
2460:
2461: if (count == attempts || errno != ENOENT)
2462: tmpl[0] = EOS;
2463: else
2464: errno = save_errno;
2465:
2466: return;
2467: }
2468:
2469: #define JOSE 1
2470:
1.152 kahan 2471: /*-----------------------------------------------------------------------
2472: GetTempName
2473: Front end to the Unix tempnam function, which is independent of the
2474: value of the TMPDIR env value
2475: Returns a dynamically allocated string with a tempname. The user
2476: must free this memory.
2477: -----------------------------------------------------------------------*/
2478: char *GetTempName (const char *dir, const char *prefix)
2479: {
1.154 kahan 2480: #ifdef JOSE
2481:
1.162 kahan 2482: static char tmpbufmem[PATH_MAX + 1];
1.154 kahan 2483: int len;
2484: int i;
2485:
1.155 cvs 2486: if (!dir || *dir == EOS || !TtaDirExists (dir))
1.154 kahan 2487: return NULL;
2488:
1.162 kahan 2489: /* make sure that the name is no bigger than PATH_MAX + the 6 tempname chars we
2490: will add */
1.154 kahan 2491:
1.156 cvs 2492: len = strlen (dir);
1.162 kahan 2493: if (len + 6 > PATH_MAX)
1.154 kahan 2494: return NULL;
2495:
2496: /* copy the dir name, and add a DIR_SEP if it's missing */
2497: if (dir[strlen (dir) - 1] == DIR_SEP)
2498: strcpy (tmpbufmem, dir);
2499: else
1.156 cvs 2500: {
1.154 kahan 2501: sprintf (tmpbufmem, "%s%c", dir, DIR_SEP);
1.156 cvs 2502: len++;
2503: }
1.154 kahan 2504:
1.161 kahan 2505: /* copy the prefix (no more than L_tmpnam chars, to respect POSIX). Save
1.156 cvs 2506: space for the 6 X and EOS chars that will become the random bits */
2507: if (prefix)
2508: {
2509: i = 0;
1.167 cheyroul 2510: while (prefix[i] != EOS && i < L_tmpnam - 8)
1.156 cvs 2511: tmpbufmem[len++] = prefix[i++];
2512: tmpbufmem[len] = EOS;
2513: }
2514:
2515: /* Add the 6 X chars */
2516: len = strlen (tmpbufmem);
2517: i = 0;
2518: while (i < 6)
2519: {
2520: tmpbufmem[len++] = 'X';
2521: i++;
2522: }
2523: tmpbufmem[len] = EOS;
1.154 kahan 2524:
2525: AM_gen_tempname (tmpbufmem);
2526:
2527: if (tmpbufmem[0] == EOS)
2528: return NULL;
2529: else
2530: return (TtaStrdup (tmpbufmem));
2531:
2532: #else
1.152 kahan 2533: char *tmpdir;
2534: char *tmp;
2535: char *name = NULL;
2536:
2537: /* save the value of TMPDIR */
2538: tmp = getenv (TMPDIR);
2539:
2540: if (tmp)
2541: {
2542: tmpdir = TtaStrdup (tmp);
2543: }
2544: else
2545: tmpdir = NULL;
2546:
2547: /* remove TMPDIR from the environment */
2548: if (tmpdir)
2549: {
2550: tmp = TtaGetMemory (strlen (tmpdir) + 2);
2551: sprintf (tmp, "%s=", TMPDIR);
1.173 ! cvs 2552: #ifdef _WINGUI
1.152 kahan 2553: _putenv (tmp);
2554: #else
2555: putenv (tmp);
1.173 ! cvs 2556: #endif /* _WINGUI */
1.152 kahan 2557: }
2558:
2559: /* create the tempname */
1.173 ! cvs 2560: #ifdef _WINGUI
1.152 kahan 2561: /* Under Windows, _tempnam returns the same name until the file is created */
2562: {
2563: char *altprefix;
2564: name = tmpnam (NULL); /* get a possibly unique string */
2565: altprefix = TtaGetMemory(strlen (prefix) + strlen(name) + 1);
2566: sprintf (altprefix, "%s%s", prefix, name + strlen(_P_tmpdir));
2567: name = _tempnam (dir, altprefix); /* get a name that isn't yet in use */
2568: TtaFreeMemory (altprefix);
2569: }
2570: #else
2571: name = tempnam (dir, prefix);
1.173 ! cvs 2572: #endif /* _WINGUI */
1.152 kahan 2573:
2574: /* restore the value of TMPDIR */
2575: if (tmpdir)
2576: {
1.173 ! cvs 2577: #ifdef _WINGUI
1.152 kahan 2578: _putenv (tmpdir);
2579: #else
2580: putenv (tmpdir);
1.173 ! cvs 2581: #endif /* _WINGUI */
1.152 kahan 2582: /* Shouldn't be free (see man for putenv ()) */
2583: /* TtaFreeMemory (tmpdir); */
2584: }
2585: return (name);
1.154 kahan 2586: #endif
1.139 kahan 2587: }
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