new mandex :)

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@8 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 132 insertions, 100 deletions

diff --git a/util/mandex.c b/util/mandex.c
index 9373f814..9f5a0e55 100644
--- a/util/mandex.c
+++ b/util/mandex.c
@@ -1,19 +1,13 @@
-/* $Id: mandex.c,v 1.1 2002/03/07 15:13:46 in2 Exp $ */
-
-/*
-  target : 精華區索引程式 (man index)
-  
-  syntax : mandex [board]
-  [board] 有值 ==> 只跑該 board
-  空的 ==> 所有的 boards 都跑
-*/
+/* $Id: mandex.c,v 1.2 2002/03/08 09:21:15 in2 Exp $ */
 
+/* 'mandex -h' to help */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <dirent.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "config.h"
@@ -24,33 +18,28 @@
 #define MAXPATHLEN  1024
 #endif
 
-extern int numboards;
-extern boardheader_t *bcache;
-
-char color[4][10] =
-{"", "", "", ""};
-char fn_index[] = ".index";
-char fn_new[] = ".index.new";
-char index_title[] = "◎ 精華區目錄索引";
-FILE *fndx;
-int ndir;
-int nfile;
-int index_pos;
-char topdir[128], pgem[512], pndx[512];
-
-int nb = 0;			/* board 數 */
-
-struct boardinfo
+typedef struct
 {
     char bname[40];
-    int ndir;
-    int nfile;
-    int k;
-};
-typedef struct boardinfo boardinfo;
+    int ndir, nfile, k;
+} boardinfo;
 
-boardinfo
-board[MAX_BOARD];
+extern  int     numboards;
+extern  boardheader_t *bcache;
+boardinfo       board[MAX_BOARD], *biptr;
+char    color[4][10] = {"", "", "", ""};
+char    fn_index[] = ".index";
+char    fn_new[] = ".index.new";
+char    index_title[] = "◎ 精華區目錄索引";
+char    topdir[128], pgem[512], pndx[512];
+FILE    *fndx;
+int     ndir, nfile, index_pos, k;
+int     nSorted, nb;
+
+int sortbyname(const void *a, const void *b)
+{
+    return strcmp(((boardinfo*)b)->bname, ((boardinfo*)a)->bname);
+}
 
 int k_cmp(b, a)
     boardinfo *b, *a;
@@ -85,34 +74,30 @@ mandex(level, num_header, fpath)
 	return;
 
     fname = strrchr(fpath, '.');
-    if (!level)
-    {
-
+    if (!level){
         printf("%s\r\n",fpath);
 	strcpy(pgem, fpath);
 
 	strcpy(fname, fn_new);
 	fndx = fopen(fpath, "w");
-	if (fndx == NULL)
-	{
+	if (fndx == NULL){
 	    fclose(fgem);
 	    return;
 	}
 	fprintf(fndx, "序號\t\t\t精華區主題\n"
-		"──────────────────────────────────────\n");
+		"───────────────────"
+		"───────────────────\n");
 	strcpy(pndx, fpath);
 	ndir = nfile = 0;
 	index_pos = -1;
     }
 
     count = 0;
-    while (fread(&fhdr, sizeof(fhdr), 1, fgem) == 1)
-    {
+    while (fread(&fhdr, sizeof(fhdr), 1, fgem) == 1){
 	strcpy(fname, fhdr.filename);
         if (!fname[0]) continue;
 	if (!level && !strncmp(fhdr.title, index_title, strlen(index_title))
-	    && index_pos < 0)
-	{
+	    && index_pos < 0){
 	    index_pos = count;
 	    unlink(fpath);
 	}
@@ -120,14 +105,12 @@ mandex(level, num_header, fpath)
 	stat(fpath, &st);
 
 	sprintf(buf, "%.*s%s%3d. %s \n",
-
-		11 * level, num_header, color[level % 4], ++count, fhdr.title);	/* Ptt */
+		11 * level, num_header, color[level % 4], ++count, fhdr.title);
+	                                                              /* Ptt */
 	fputs(buf, fndx);
-	if (dashd(fpath))
-	{
+	if (dashd(fpath)){
 	    ++ndir;
-	    if (*fhdr.title != '#' && level < 10)
-	    {
+	    if (*fhdr.title != '#' && level < 10){
 		strcat(fpath, "/.DIR");
 		mandex(level + 1, buf, fpath);
 	    }
@@ -136,8 +119,7 @@ mandex(level, num_header, fpath)
 	    ++nfile;
     }
 
-    if (!level)
-    {
+    if (!level){
 	char lpath[MAXPATHLEN];
 
 	fclose(fndx);
@@ -146,8 +128,7 @@ mandex(level, num_header, fpath)
 	strcpy(pndx, fpath);
 
 	sprintf(buf, "%s.new", pgem);
-	if (index_pos >= 0 || (fndx = fopen(buf, "w")))
-	{
+	if (index_pos >= 0 || (fndx = fopen(buf, "w"))){
 	    fname[-1] = 0;
 	    stamplink(fpath, &fhdr);
 	    unlink(fpath);
@@ -156,11 +137,10 @@ mandex(level, num_header, fpath)
 	    st.st_size = 0;
 	    stat(lpath, &st);
 	    sprintf(fhdr.title, "%s (%.1fk)", index_title, st.st_size / 1024.);
-	    board[nb].k = st.st_size;	/* Ptt */
-	    printf("(%d)[%dK]", nb, board[nb].k);
+	    k = st.st_size;	/* Ptt */
+	    printf("(%s)[%dK]", fpath, k);
 	    symlink(lpath, fpath);
-	    if (index_pos < 0)
-	    {
+	    if (index_pos < 0){
 		fwrite(&fhdr, sizeof(fhdr), 1, fndx);
 		rewind(fgem);
 		while (fread(&fhdr, sizeof(fhdr), 1, fgem) == 1)
@@ -169,8 +149,7 @@ mandex(level, num_header, fpath)
 		fclose(fgem);
 		rename(buf, pgem);
 	    }
-	    else
-	    {
+	    else{
 		fseek(fgem, index_pos * sizeof(fhdr), 0);
 		fwrite(&fhdr, sizeof(fhdr), 1, fgem);
 		fclose(fgem);
@@ -182,58 +161,111 @@ mandex(level, num_header, fpath)
 }
 
 
-int main(int argc, char* argv[]){
+int main(int argc, char* argv[])
+{
     boardheader_t *bptr;
-    DIR *dirp;
-    struct dirent *de;
-    int ch, n;
-    int place = 0;
-    char *fname, fpath[MAXPATHLEN];
-    
+    DIR     *dirp;
+    struct  dirent *de;
+    int     ch, n, place = 0, fd;
+    char    checkrebuild = 0, *fname, fpath[MAXPATHLEN];
+
+    while( (ch = getopt(argc, argv, "x")) != -1 ){
+	switch( ch ){
+	case 'x':
+	    checkrebuild = 1;
+	    break;
+	case 'h':
+	    printf("NAME                                    \n"
+		   "     mandex - 精華區索引程式 (man index)\n\n"
+		   "SYNOPSIS                                \n"
+		   "     mandex [-x] [board]                \n\n"
+		   "DESCRIPTION                             \n"
+		   "精華區索引 (man index)                  \n\n"
+		   "-x    只有含有 .rebuild的目錄才重製     \n"
+		   "board 全部的板 (default to all)         \n\n");
+	    return 0;
+	}
+    }
+
+    argc -= optind;
+    argv += optind;
+
     resolve_boards();
-    nb = 0;
-    if(argc == 1){
+
+    if( argc == 0 ){
 	puts("Creating the whole index...");
-	chdir(strcpy(topdir, BBSHOME));
-	strcpy(fpath, "man/.DIR");
-	mandex(0, "", fpath);
+        chdir(strcpy(topdir, BBSHOME));
+        strcpy(fpath, "man/.DIR");
+        mandex(0, "", fpath);
     }
-    
-    
+
     chdir(strcpy(topdir, BBSHOME "/man/boards"));
 
-    if(argc > 1) {
-	sprintf(fpath, "%s/.DIR",  argv[1]);
-	mandex(0, "", fpath);
-	exit(0);
+    if( argc == 1 ){
+        sprintf(fpath, "%s/.DIR",  argv[0]);
+        mandex(0, "", fpath);
+	return 0;
     }
 
     /* process all boards */
-	
-	if(!(dirp = opendir(topdir))) {
-	    printf("## unable to enter [man/boards]\n");
-	    exit(-1);
-	}
-	
-	while((de = readdir(dirp))){
-	    fname = de->d_name;
-	    ch = fname[0];
-	    if (ch != '.'){
-		board[nb].k = 0;
-		strcpy(board[nb].bname, fname);
-		sprintf(fpath, "%s/.DIR", fname);
-		mandex(0, "", fpath);
-		printf("%-14sd: %d\tf: %d\n", fname, ndir, nfile); /* report */
-		board[nb].ndir = ndir;
-		board[nb].nfile = nfile;
-		if (board[nb].k)
-		    nb++;
+    if( checkrebuild &&
+	(fd = open(BBSHOME "/man/.rank.cache", O_RDONLY)) >= 0 ){
+	read(fd, board, sizeof(board));
+	close(fd);
+	qsort(board, MAX_BOARD, sizeof(boardinfo), sortbyname);
+	for( nb = 0 ; board[nb].bname[0] != 0 ; ++nb )
+	    ;
+	nSorted = nb;
+    }
+    else{
+	memset(board, 0, sizeof(board));
+	checkrebuild = 0;
+	nSorted = nb = 0;
+    }
+    
+    if(!(dirp = opendir(topdir))) {
+	printf("## unable to enter [man/boards]\n");
+	exit(-1);
+    }
+    
+    while((de = readdir(dirp))){
+	fname = de->d_name;
+	ch = fname[0];
+	if (ch != '.'){
+	    k = 0;
+	    if( checkrebuild ){
+		sprintf(fpath, "%s/.rebuild", fname);
+		if( access(fpath, 0) < 0 ){
+		    printf("skip no modify board %s\n", fname);
+		    continue;
+		}
+		unlink(fpath);
+	    }
+	    sprintf(fpath, "%s/.DIR", fname);
+	    mandex(0, "", fpath);
+	    printf("%-14sd: %d\tf: %d\n", fname, ndir, nfile); /* report */
+	    if( k ){
+		if( !(biptr = bsearch(fname, board, nSorted,
+				      sizeof(boardinfo), sortbyname))){
+		    biptr = &board[nb];
+		    ++nb;
+		}
+		strcpy(biptr->bname, fname);
+		biptr->ndir = ndir;
+		biptr->nfile = nfile;
+		biptr->k = k;
 	    }
 	}
-	closedir(dirp);
-
-    qsort(board, nb, sizeof(boardinfo), k_cmp);
+    }
+    closedir(dirp);
     
+    qsort(board, nb, sizeof(boardinfo), k_cmp);
+    unlink(BBSHOME "/man/.rank.cache");
+    if( (fd = open(BBSHOME "/man/.rank.cache",
+		   O_WRONLY | O_CREAT | O_TRUNC | O_APPEND, 0660)) >= 0 ){
+	write(fd, board, sizeof(board));       
+	close(fd);
+    }
     if (!(fndx = fopen(BBSHOME "/etc/topboardman", "w")))
 	exit(0);
     
@@ -259,5 +291,5 @@ int main(int argc, char* argv[]){
 		,bptr->BM);
     }
     fclose(fndx);
-    exit(0);
+    return 0;
 }