Newsfeed (%lu)

#include #include #include #include #include #include #include #include #include #include "common.h" #include "compat.h" static int showsidebar = 1; /* show sidebar ? */ void /* print error message to stderr */ die(const char *s) { fputs("sfeed_frames: ", stderr); fputs(s, stderr); fputc('\n', stderr); exit(EXIT_FAILURE); } /* print text, ignore tabs, newline and carriage return etc * print some HTML 2.0 / XML 1.0 as normal text */ void printcontent(const char *s, FILE *fp) { const char *p; int len = 0; for(p = s; *p; p++) { if(*p == '\\') { p++; if(*p == '\\') fputc('\\', fp); else if(*p == 't' && len) fputc('\t', fp); else if(*p == 'n' && len) fputc('\n', fp); } else { fputc(*p, fp); len++; } } } size_t makepathname(char *buffer, size_t bufsiz, const char *path) { const char *p = path; size_t i = 0, r = 0; for(; *p && i < bufsiz; p++) { if(isalpha((int)*p) || isdigit((int)*p)) { buffer[i++] = tolower((int)*p); r = 0; } else { if(!r) { /* dont repeat '-'. */ buffer[i++] = '-'; } r++; } } buffer[i] = '\0'; /* remove trailing - */ for(; i > 0 && (buffer[i] == '-' || buffer[i] == '\0'); i--) buffer[i] = '\0'; return i; } int fileexists(const char *path) { return (!access(path, F_OK)); } int main(int argc, char **argv) { char *line = NULL, *fields[FieldLast]; unsigned long totalfeeds = 0, totalnew = 0; unsigned int isnew; struct feed *feedcurrent = NULL, *feeds = NULL; /* start of feeds linked-list. */ time_t parsedtime, comparetime; size_t size = 0; char name[256]; char dirpath[1024]; char filepath[1024]; char reldirpath[1024]; char relfilepath[1024]; FILE *fpindex, *fpitems, *fpmenu, *fpcontent; char *basepath = "feeds"; struct utimbuf contenttime; size_t namelen = 0; memset(&contenttime, 0, sizeof(contenttime)); if(argc > 1 && argv[1][0] != '\0') basepath = argv[1]; comparetime = time(NULL) - (3600 * 24); /* 1 day is old news */ xmkdir(basepath, S_IRWXU); /* write main index page */ if(strlen(basepath) + strlen("/index.html") < sizeof(dirpath) - 1) sprintf(dirpath, "%s/index.html", basepath); if((fpindex = fopen(dirpath, "w+b"))) { } if(strlen(basepath) + strlen("/menu.html") < sizeof(dirpath) - 1) sprintf(dirpath, "%s/menu.html", basepath); if(!(fpmenu = fopen(dirpath, "w+b"))) { /* TODO: error */ fclose(fpindex); return EXIT_FAILURE; } if(strlen(basepath) + strlen("/items.html") < sizeof(dirpath) - 1) sprintf(dirpath, "%s/items.html", basepath); if(!(fpitems = fopen(dirpath, "w+b"))) { /* TODO: error */ fclose(fpmenu); fclose(fpindex); return EXIT_FAILURE; } fclose(fpcontent); fputs("", fpitems); fputs("

", fpitems); while(parseline(&line, &size, fields, FieldLast, '\t', stdin) > 0) { dirpath[0] = '\0'; filepath[0] = '\0'; reldirpath[0] = '\0'; relfilepath[0] = '\0'; namelen = makepathname(name, sizeof(name) - 1, fields[FieldFeedName]); if(namelen) { if(strlen(basepath) + namelen + 1 < sizeof(dirpath) - 1) sprintf(dirpath, "%s/%s", basepath, name); /* TODO: handle error. */ if(xmkdir(dirpath, S_IRWXU) != -1) { } strncpy(reldirpath, name, sizeof(reldirpath) - 1); namelen = makepathname(name, sizeof(name), fields[FieldTitle]); if(namelen) { if(strlen(dirpath) + namelen + strlen("/.html") < sizeof(filepath) - 1) sprintf(filepath, "%s/%s.html", dirpath, name); if(strlen(reldirpath) + namelen + strlen("/.html") < sizeof(relfilepath) - 1) sprintf(relfilepath, "%s/%s.html", reldirpath, name); if(!fileexists(filepath) && (fpcontent = fopen(filepath, "w+b"))) { fputs("", fpcontent); fputs("

", fpcontent); fputs("

", fpcontent); printhtmlencoded(fields[FieldTitle], fpcontent); fputs("

", fpcontent); printcontent(fields[FieldContent], fpcontent); fputs("

", fpcontent); fclose(fpcontent); } /* first of feed section or new feed section. */ if(!totalfeeds || strcmp(feedcurrent->name, fields[FieldFeedName])) { if(totalfeeds) { /* end previous one. */ fputs("\n", fpitems); if(!(feedcurrent->next = calloc(1, sizeof(struct feed)))) die("can't allocate enough memory"); feedcurrent = feedcurrent->next; } else { if(!(feedcurrent = calloc(1, sizeof(struct feed)))) die("can't allocate enough memory"); feeds = feedcurrent; /* first item. */ if(fields[FieldFeedName][0] == '\0') { showsidebar = 0; } } /* write menu link if new. */ if(!(feedcurrent->name = xstrdup(fields[FieldFeedName]))) die("can't allocate enough memory"); if(fields[FieldFeedName][0] != '\0') { fputs("

name, fpitems); fputs("\">name, fpitems); fputs("\">", fpitems); fputs(feedcurrent->name, fpitems); fputs("

\n", fpitems); } fputs("\n", fpitems); totalfeeds++; } /* write item. */ parsedtime = (time_t)strtol(fields[FieldUnixTimestamp], NULL, 10); /* set modified and access time of file to time of item. */ contenttime.actime = parsedtime; contenttime.modtime = parsedtime; utime(filepath, &contenttime); isnew = (parsedtime >= comparetime); totalnew += isnew; feedcurrent->totalnew += isnew; feedcurrent->total++; if(isnew) fputs("\n", fpitems); } } } if(totalfeeds) { fputs("

", fpitems); else fputs("
", fpitems); fputs("
", fpitems); fputs(fields[FieldTimeFormatted], fpitems); fputs("	", fpitems); if(isnew) fputs("", fpitems); fputs("", fpitems); printhtmlencoded(fields[FieldTitle], fpitems); fputs("", fpitems); if(isnew) fputs("", fpitems); fputs("

\n", fpitems); } fputs("\n

\n", fpitems); /* div items */ if(showsidebar) { fputs("", fpmenu); fputs("", fpmenu); fputs("", fpmenu); } fputs("\n", fpindex); fprintf(fpindex, "\tNewsfeed (%lu)\n", totalnew); fputs("\t\n", fpindex); fputs("\n", fpindex); if(showsidebar) { fputs( "" " ", fpindex); } else { fputs( "", fpindex); } fputs( " " " " " " " " "" "", fpindex); fclose(fpmenu); fclose(fpitems); fclose(fpindex); free(line); /* free line */ feedsfree(feeds); /* free feeds linked-list */ return EXIT_SUCCESS; }