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