/* Create new or find old sub-anchor ** --------------------------------- ** ** This one is for a named child. ** The parent anchor must already exist. */ PRIVATE HTChildAnchor * HTAnchor_findNamedChild ARGS2( HTParentAnchor0 *, parent, CONST char *, tag) { HTChildAnchor *child; if (parent && tag && *tag) { /* TBL */ if (parent->children) { /* ** Parent has children. Search them. */ HTChildAnchor sample; sample.tag = (char*)tag; /* for compare_anchors() only */ child = (HTChildAnchor *)HTBTree_search(parent->children, &sample); if (child != NULL) { CTRACE((tfp, "Child anchor %p of parent %p with name `%s' already exists.\n", (void *)child, (void *)parent, tag)); return(child); } } else { /* parent doesn't have any children yet : create family */ parent->children = HTBTree_new(compare_anchors); } child = HTChildAnchor_new(parent); CTRACE((tfp, "HTAnchor: New Anchor %p named `%s' is child of %p\n", (void *)child, NonNull(tag), (void *)child->parent)); StrAllocCopy(child->tag, tag); /* should be set before HTBTree_add */ HTBTree_add(parent->children, child); return(child); } else { CTRACE((tfp, "HTAnchor_findNamedChild called with NULL parent.\n")); return(NULL); } }
main () /****************************************************** ** This is just a test to show how to handle HTBTree.c */ { HTBTree * tree; HTBTElement * next_element; tree = HTBTree_new((HTComparer)strcasecomp); HTBTree_add(tree,"hypertext"); HTBTree_add(tree,"Addressing"); HTBTree_add(tree,"X11"); HTBTree_add(tree,"Tools"); HTBTree_add(tree,"Proposal.wn"); HTBTree_add(tree,"Protocols"); HTBTree_add(tree,"NeXT"); HTBTree_add(tree,"Daemon"); HTBTree_add(tree,"Test"); HTBTree_add(tree,"Administration"); HTBTree_add(tree,"LineMode"); HTBTree_add(tree,"DesignIssues"); HTBTree_add(tree,"MarkUp"); HTBTree_add(tree,"Macintosh"); HTBTree_add(tree,"Proposal.rtf.wn"); HTBTree_add(tree,"FIND"); HTBTree_add(tree,"Paper"); HTBTree_add(tree,"Tcl"); HTBTree_add(tree,"Talks"); HTBTree_add(tree,"Architecture"); HTBTree_add(tree,"VMSHelp"); HTBTree_add(tree,"Provider"); HTBTree_add(tree,"Archive"); HTBTree_add(tree,"SLAC"); HTBTree_add(tree,"Project"); HTBTree_add(tree,"News"); HTBTree_add(tree,"Viola"); HTBTree_add(tree,"Users"); HTBTree_add(tree,"FAQ"); HTBTree_add(tree,"WorkingNotes"); HTBTree_add(tree,"Windows"); HTBTree_add(tree,"FineWWW"); HTBTree_add(tree,"Frame"); HTBTree_add(tree,"XMosaic"); HTBTree_add(tree,"People"); HTBTree_add(tree,"All"); HTBTree_add(tree,"Curses"); HTBTree_add(tree,"Erwise"); HTBTree_add(tree,"Carl"); HTBTree_add(tree,"MidasWWW"); HTBTree_add(tree,"XPM"); HTBTree_add(tree,"MailRobot"); HTBTree_add(tree,"Illustrations"); HTBTree_add(tree,"VMClient"); HTBTree_add(tree,"XPA"); HTBTree_add(tree,"Clients.html"); HTBTree_add(tree,"Library"); HTBTree_add(tree,"CERNLIB_Distribution"); HTBTree_add(tree,"libHTML"); HTBTree_add(tree,"WindowsPC"); HTBTree_add(tree,"tkWWW"); HTBTree_add(tree,"tk2.3"); HTBTree_add(tree,"CVS-RCS"); HTBTree_add(tree,"DecnetSockets"); HTBTree_add(tree,"SGMLStream"); HTBTree_add(tree,"NextStep"); HTBTree_add(tree,"CVSRepository_old"); HTBTree_add(tree,"ArthurSecret"); HTBTree_add(tree,"CVSROOT"); HTBTree_add(tree,"HytelnetGate"); HTBTree_add(tree,"cern.www.new.src"); HTBTree_add(tree,"Conditions"); HTBTree_add(tree,"HTMLGate"); HTBTree_add(tree,"Makefile"); HTBTree_add(tree,"Newsgroups.html"); HTBTree_add(tree,"People.html"); HTBTree_add(tree,"Bugs.html"); HTBTree_add(tree,"Summary.html"); HTBTree_add(tree,"zDesignIssues.wn"); HTBTree_add(tree,"HT.draw"); HTBTree_add(tree,"HTandCERN.wn"); HTBTree_add(tree,"Ideas.wn"); HTBTree_add(tree,"MarkUp.wn"); HTBTree_add(tree,"Proposal.html"); HTBTree_add(tree,"SearchPanel.draw"); HTBTree_add(tree,"Comments.wn"); HTBTree_add(tree,"Xanadu.html"); HTBTree_add(tree,"Storinglinks.html"); HTBTree_add(tree,"TheW3Book.html"); HTBTree_add(tree,"Talk_Feb-91.html"); HTBTree_add(tree,"JFosterEntry.txt"); HTBTree_add(tree,"Summary.txt"); HTBTree_add(tree,"Bibliography.html"); HTBTree_add(tree,"HTandCern.txt"); HTBTree_add(tree,"Talk.draw"); HTBTree_add(tree,"zDesignNotes.html"); HTBTree_add(tree,"Link.html"); HTBTree_add(tree,"Status.html"); HTBTree_add(tree,"http.txt"); HTBTree_add(tree,"People.html~"); HTBTree_add(tree,"TAGS"); HTBTree_add(tree,"summary.txt"); HTBTree_add(tree,"Technical.html"); HTBTree_add(tree,"Terms.html"); HTBTree_add(tree,"JANETAccess.html"); HTBTree_add(tree,"People.txt"); HTBTree_add(tree,"README.txt"); HTBTree_add(tree,"CodingStandards.html"); HTBTree_add(tree,"Copyright.txt"); HTBTree_add(tree,"Status_old.html"); HTBTree_add(tree,"patches~"); HTBTree_add(tree,"RelatedProducts.html"); HTBTree_add(tree,"Implementation"); HTBTree_add(tree,"History.html"); HTBTree_add(tree,"Makefile.bak"); HTBTree_add(tree,"Makefile.old"); HTBTree_add(tree,"Policy.html"); HTBTree_add(tree,"WhatIs.html"); HTBTree_add(tree,"TheProject.html"); HTBTree_add(tree,"Notation.html"); HTBTree_add(tree,"Helping.html"); HTBTree_add(tree,"Cyber-WWW.sit.Hqx"); HTBTree_add(tree,"Glossary.html"); HTBTree_add(tree,"maketags.html"); HTBTree_add(tree,"IntroCS.html"); HTBTree_add(tree,"Contrib"); HTBTree_add(tree,"Help.html"); HTBTree_add(tree,"CodeManagExec"); HTBTree_add(tree,"HT-0.1draz"); HTBTree_add(tree,"Cello"); HTBTree_add(tree,"TOPUB"); HTBTree_add(tree,"BUILD"); HTBTree_add(tree,"BUILDALL"); HTBTree_add(tree,"Lynx"); HTBTree_add(tree,"ArthurLibrary"); HTBTree_add(tree,"RashtyClient"); HTBTree_add(tree,"#History.html#"); HTBTree_add(tree,"PerlServers"); HTBTree_add(tree,"modules"); HTBTree_add(tree,"NCSA_httpd"); HTBTree_add(tree,"MAIL2HTML"); HTBTree_add(tree,"core"); HTBTree_add(tree,"EmacsWWW"); HTTrace("\nTreeTopObject=%s\n\n",tree->top->object); next_element = HTBTree_next(tree,NULL); while (next_element != NULL) { HTTrace("The next element is %s\n",next_element->object); next_element = HTBTree_next(tree,next_element); } HTBTree_free (tree); }
/* HTVMSBrowseDir() ** ** This function generates a directory listing as an HTML-object ** for local file URL's. It assumes the first two elements of ** of the path are a device followed by a directory: ** ** file://localhost/device/directory[/[foo]] ** ** Will not accept 000000 as a directory name. ** Will offer links to parent through the top directory, unless ** a terminal slash was included in the calling URL. ** ** Returns HT_LOADED on success, HTLoadError() messages on error. ** ** Developed for Lynx by Foteos Macrides ([email protected]). */ PUBLIC int HTVMSBrowseDir ARGS4( CONST char *, address, HTParentAnchor *, anchor, HTFormat, format_out, HTStream *, sink ) { HTStructured* target; HTStructuredClass targetClass; char *pathname = HTParse(address, "", PARSE_PATH + PARSE_PUNCTUATION); char *tail = NULL; char *title = NULL; char *header = NULL; char *parent = NULL; char *relative = NULL; char *cp, *cp1; int pathend, len; DIR *dp; struct stat file_info; time_t NowTime; static char ThisYear[8]; VMSEntryInfo *entry_info = 0; char string_buffer[64]; HTUnEscape(pathname); CTRACE((tfp,"HTVMSBrowseDir: Browsing `%s\'\n", pathname)); /* * Require at least two elements (presumably a device and directory) * and disallow the device root (000000 directory). Symbolic paths * (e.g., sys$help) should have been translated and expanded (e.g., * to /sys$sysroot/syshlp) before calling this routine. */ if (((*pathname != '/') || (cp = strchr(pathname+1, '/')) == NULL || *(cp + 1) == '\0' || 0 == strncmp((cp + 1), "000000", 6)) || (dp = HTVMSopendir(pathname)) == NULL) { FREE(pathname); return HTLoadError(sink, 403, COULD_NOT_ACCESS_DIR); } /* * Set up the output stream. */ _HTProgress (BUILDING_DIR_LIST); if (UCLYhndl_HTFile_for_unspec >= 0) { HTAnchor_setUCInfoStage(anchor, UCLYhndl_HTFile_for_unspec, UCT_STAGE_PARSER, UCT_SETBY_DEFAULT); } target = HTML_new(anchor, format_out, sink); targetClass = *(target->isa); /* * Set up the offset string of the anchor reference, * and strings for the title and header. */ cp = strrchr(pathname, '/'); /* find lastslash */ StrAllocCopy(tail, (cp+1)); /* take slash off the beginning */ if (*tail != '\0') { StrAllocCopy(title, tail); *cp = '\0'; if ((cp1=strrchr(pathname, '/')) != NULL && cp1 != pathname && strncmp((cp1+1), "000000", 6)) StrAllocCopy(parent, (cp1+1)); *cp = '/'; } else { pathname[strlen(pathname)-1] = '\0'; cp = strrchr(pathname, '/'); StrAllocCopy(title, (cp+1)); pathname[strlen(pathname)] = '/'; } StrAllocCopy(header, pathname); /* * Initialize path name for HTStat(). */ pathend = strlen(pathname); if (*(pathname+pathend-1) != '/') { StrAllocCat(pathname, "/"); pathend++; } /* * Output the title and header. */ START(HTML_HTML); PUTC('\n'); START(HTML_HEAD); PUTC('\n'); HTUnEscape(title); START(HTML_TITLE); PUTS(title); PUTS(" directory"); END(HTML_TITLE); PUTC('\n'); FREE(title); END(HTML_HEAD); PUTC('\n'); START(HTML_BODY); PUTC('\n'); HTUnEscape(header); START(HTML_H1); PUTS(header); END(HTML_H1); PUTC('\n'); if (HTDirReadme == HT_DIR_README_TOP) { FILE * fp; if (header[strlen(header)-1] != '/') StrAllocCat(header, "/"); StrAllocCat(header, HT_DIR_README_FILE); if ((fp = fopen(header, "r")) != NULL) { START(HTML_PRE); for(;;) { char c = fgetc(fp); if (c == (char)EOF) break; #ifdef NOTDEFINED switch (c) { case '&': case '<': case '>': PUTC('&'); PUTC('#'); PUTC((char)(c / 10)); PUTC((char) (c % 10)); PUTC(';'); break; default: PUTC(c); } #else PUTC(c); #endif /* NOTDEFINED */ } END(HTML_PRE); fclose(fp); } } FREE(header); if (parent) { HTSprintf0(&relative, "%s/..", tail); HTStartAnchor(target, "", relative); PUTS("Up to "); HTUnEscape(parent); PUTS(parent); END(HTML_A); START(HTML_P); PUTC('\n'); FREE(relative); FREE(parent); } /* * Set up the date comparison. */ NowTime = time(NULL); strcpy(ThisYear, (char *)ctime(&NowTime)+20); ThisYear[4] = '\0'; /* * Now, generate the Btree and put it out to the output stream. */ { char dottest = 2; /* To avoid two strcmp() each time */ STRUCT_DIRENT *dirbuf; HTBTree *bt; /* Set up sort key and initialize BTree */ bt = HTBTree_new((HTComparer) compare_VMSEntryInfo_structs); /* Build tree */ while ((dirbuf = HTVMSreaddir(dp))) { HTAtom *encoding = NULL; HTFormat format; /* Skip if not used */ if (!dirbuf->d_ino) { continue; } /* Current and parent directories are never shown in list */ if (dottest && (!strcmp(dirbuf->d_name, ".") || !strcmp(dirbuf->d_name, ".."))) { dottest--; continue; } /* Don't show the selective enabling file * unless version numbers are included */ if (!strcasecomp(dirbuf->d_name, HT_DIR_ENABLE_FILE)) { continue; } /* Skip files beginning with a dot? */ if ((no_dotfiles || !show_dotfiles) && *dirbuf->d_name == '.') { continue; } /* OK, make an lstat() and get a key ready. */ *(pathname+pathend) = '\0'; StrAllocCat(pathname, dirbuf->d_name); if (HTStat(pathname, &file_info)) { /* for VMS the failure here means the file is not readable... we however continue to browse through the directory... */ continue; } entry_info = (VMSEntryInfo *)malloc(sizeof(VMSEntryInfo)); if (entry_info == NULL) outofmem(__FILE__, "HTVMSBrowseDir"); entry_info->type = 0; entry_info->size = 0; entry_info->date = 0; entry_info->filename = 0; entry_info->display = TRUE; /* Get the type */ format = HTFileFormat(dirbuf->d_name, &encoding, (CONST char **)&cp); if (!cp) { if(!strncmp(HTAtom_name(format), "application",11)) { cp = HTAtom_name(format) + 12; if(!strncmp(cp,"x-", 2)) cp += 2; } else cp = HTAtom_name(format); } StrAllocCopy(entry_info->type, cp); StrAllocCopy(entry_info->filename, dirbuf->d_name); if (S_ISDIR(file_info.st_mode)) { /* strip .DIR part... */ char *dot; dot = strstr(entry_info->filename, ".DIR"); if (dot) *dot = '\0'; LYLowerCase(entry_info->filename); StrAllocCopy(entry_info->type, "Directory"); } else { if ((cp = strstr(entry_info->filename, "READ")) == NULL) { cp = entry_info->filename; } else { cp += 4; if (!strncmp(cp, "ME", 2)) { cp += 2; while (cp && *cp && *cp != '.') { cp++; } } else if (!strncmp(cp, ".ME", 3)) { cp = (entry_info->filename + strlen(entry_info->filename)); } else { cp = entry_info->filename; } } LYLowerCase(cp); if (((len = strlen(entry_info->filename)) > 2) && entry_info->filename[len-1] == 'z') { if (entry_info->filename[len-2] == '.' || entry_info->filename[len-2] == '_') entry_info->filename[len-1] = 'Z'; } } /* Get the date */ { char *t = (char *)ctime((CONST time_t *)&file_info.st_ctime); *(t+24) = '\0'; StrAllocCopy(entry_info->date, (t+4)); *((entry_info->date)+7) = '\0'; if ((atoi((t+19))) < atoi(ThisYear)) StrAllocCat(entry_info->date, (t+19)); else { StrAllocCat(entry_info->date, (t+11)); *((entry_info->date)+12) = '\0'; } } /* Get the size */ if (!S_ISDIR(file_info.st_mode)) entry_info->size = (unsigned int)file_info.st_size; else entry_info->size = 0; /* Now, update the BTree etc. */ if(entry_info->display) { CTRACE((tfp,"Adding file to BTree: %s\n", entry_info->filename)); HTBTree_add(bt, entry_info); } } /* End while HTVMSreaddir() */ FREE(pathname); HTVMSclosedir(dp); START(HTML_PRE); /* * Run through the BTree printing out in order */ { HTBTElement * ele; int i; for (ele = HTBTree_next(bt, NULL); ele != NULL; ele = HTBTree_next(bt, ele)) { entry_info = (VMSEntryInfo *)HTBTree_object(ele); /* Output the date */ if(entry_info->date) { PUTS(entry_info->date); PUTS(" "); } else PUTS(" * "); /* Output the type */ if(entry_info->type) { for(i = 0; entry_info->type[i] != '\0' && i < 15; i++) PUTC(entry_info->type[i]); for(; i < 17; i++) PUTC(' '); } /* Output the link for the name */ HTDirEntry(target, tail, entry_info->filename); PUTS(entry_info->filename); END(HTML_A); /* Output the size */ if(entry_info->size) { if(entry_info->size < 1024) sprintf(string_buffer," %d bytes", entry_info->size); else sprintf(string_buffer," %dKb", entry_info->size/1024); PUTS(string_buffer); } PUTC('\n'); /* end of this entry */ free_VMSEntryInfo_contents(entry_info); } } HTBTreeAndObject_free(bt); } /* End of both BTree loops */ /* * Complete the output stream. */ END(HTML_PRE); PUTC('\n'); END(HTML_BODY); PUTC('\n'); END(HTML_HTML); PUTC('\n'); FREE(tail); FREE_TARGET; return HT_LOADED; } /* End of directory reading section */