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/*$Copyright:
* Copyright (C) 1992.5.22. Recruit Co.,Ltd.
* Institute for Supercomputing Research
* All rights reserved.
* NewsBase by ISR, Kazuto MIYAI, Gary ARAKAKI, Katsunori SUZUKI, Kok-meng Lue
*
* You may freely copy, distribute and reuse the code in this program under
* following conditions.
* - to include this notice in the source code, if it is to be distributed
* with source code.
* - to add the file named "COPYING" within the code, which shall include
* GNU GENERAL PUBLIC LICENSE(*).
* - to display an acknowledgement in binary code as follows: "This product
* includes software developed by Recruit Co.,Ltd., ISR."
* - to display a notice which shall state that the users may freely copy,
* distribute and reuse the code in this program under GNU GENERAL PUBLIC
* LICENSE(*)
* - to indicate the way to access the copy of GNU GENERAL PUBLIC LICENSE(*)
*
* (*)GNU GENERAL PUBLIC LICENSE is stored in the file named COPYING
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
$*/
/* INewsRc */
#import "INewsRc.h"
#import "InfoD.h"
#import "ITreeNodeD.h"
#import "data_types.h"
#import "errdebug.h"
#import <appkit/Application.h>
#import <appkit/Panel.h>
#import <objc/NXStringTable.h>
#import <streams/streams.h>
#import <stdio.h>
#import <string.h>
#import <libc.h>
#import <objc/zone.h>
#import <mach/mach.h>
#import "Localization.h"
#define LoStr(key) doLocalString(NULL,key,NULL)
@implementation INewsRc
- initFile:(const char *)krcfile
{
char buf[MAXPATHLEN*2];
[super init];
if (!(strcmp(krcfile,""))) { /* default is $HOME/.newsrc */
strcpy (iNewsRcFileName, NXHomeDirectory());
strcat (iNewsRcFileName, "/.newsrc");
} else {
strcpy (iNewsRcFileName, krcfile);
}
DBG(10,fprintf(stderr,"-- iNewsRcFileName = %s is set\n",
iNewsRcFileName));
/* check command line length for sprintf */
if ((strlen(iNewsRcFileName)*2 + 6) > (MAXPATHLEN*2)) {
fprintf (stderr, "ERROR:INewsRc: file name is over buf\n");
return NULL;
}
sprintf (buf, "cp %s %s~", iNewsRcFileName, iNewsRcFileName);
if (system (buf)) {
/* 'cp' command failed */
if(strlen(iNewsRcFileName)>MAXPATHLEN) {
fprintf (stderr, "ERROR:INewsRc: file name is over buf\n");
return NULL;
}
/* because user specifield not existing file */
sprintf(buf,"%s is not found, NewsBase will make it",iNewsRcFileName);
if (NXRunAlertPanel(LoStr("NewsBase"),LoStr(buf),
LoStr("OK"),LoStr("Cancel"),NULL) == 0) {
/* Cancel is clicked */
return NULL;
}
return self;
} else {
return self;
}
}
- readRcfile
{
/* read .newsrc file and make string table */
char *groupname;
char *group_line;
char ch;
char line_buf[LINE_BUF_MAXLEN];
char *line_ptr;
/* initialize string table */
istringTableZone = NXCreateZone (vm_page_size, vm_page_size, YES);
istringTable = [[NXStringTable allocFromZone:istringTableZone] init];
if((iFileStream=NXMapFile(iNewsRcFileName, NX_READWRITE))!=NULL) {
/* if newsrc file exist */
NXSeek (iFileStream, 0, NX_FROMSTART);
while (ch=NXGetc(iFileStream) != EOF) {
NXUngetc(iFileStream);
/* get one line */
NXScanf(iFileStream, "%4087[^\n]", line_buf);
if (strlen(line_buf) >= (LINE_BUF_MAXLEN-1)) {
NXRunAlertPanel(LoStr("NewsBase"),
LoStr("newsrc file : line is too long"),LoStr("OK"),NULL,NULL);
}
NXGetc(iFileStream); /* get \n */
group_line = NXCopyStringBufferFromZone(line_buf,istringTableZone);
/* replace ':' or '!' to '\0' */
line_ptr = line_buf;
if ((line_ptr=strchr(line_buf, ':')) != NULL) {
;
} else if ((line_ptr=strchr(line_buf, '!')) != NULL) {
;
} else {
/* line is empty so go to next line */
line_buf[0]='\0';
continue;
}
*line_ptr = '\0';
/* copy newsgroup name into groupname */
groupname = NXCopyStringBufferFromZone(line_buf,istringTableZone);
[istringTable insertKey:(char *)groupname
value:(char *)group_line];
line_buf[0]='\0';
}
NXCloseMemory (iFileStream, NX_FREEBUFFER);
return self;
} else {
fprintf(stderr, "INewsRc:warning: can't map .newsrc file\n");
return NULL;
}
}
- (void)saveToRcfileFrom:knewsGroupTreeRoot
{
/* save groupInfo into .newsrc file with istringTable */
NXTreeState state;
id node;
id groupInfo;
NXStream *memoryStream;
NXHashState hashState;
const void *groupname;
void *group_line;
char buf[128];
[knewsGroupTreeRoot initState:&state];
while ((node=[knewsGroupTreeRoot nextState:&state]) != nil) {
if ([node isMemberOf:[ITreeNodeD class]] == YES) {
if ((groupInfo=[node dataForKey:GROUPINFO]) != nil) {
[self _writeToTableGroupInfo:groupInfo];
}
}
}
memoryStream = NXOpenMemory (NULL, 0, NX_WRITEONLY);
hashState = [istringTable initState];
while ([istringTable nextState:&hashState
key:&groupname value:&group_line]) {
NXPrintf(memoryStream, "%s\n", (char *)group_line);
}
if (NXSaveToFile (memoryStream, iNewsRcFileName) != 0 ) {
sprintf(buf,"error occured writing data to file \"%.90s\"",
iNewsRcFileName);
NXRunAlertPanel(LoStr("NewsBase"),LoStr(buf),LoStr("OK"),NULL,NULL);
}
NXCloseMemory(memoryStream, NX_FREEBUFFER);
}
- (NewsStat)isSubscribe:(char *)groupname
{
const char *group_line;
if ((group_line=[istringTable valueForStringKey:groupname]) == NULL) {
/* groupname is not in table, so this news group is new one */
return NotExist;
} else {
if (strchr(group_line,':') != NULL) {
/* "comp.sys.next: ..." -> subscribe */
return Subscribe;
} else {
/* "comp.sys.next! ..." -> unsubscribe */
return UnSubscribe;
}
}
}
- setGroupInfo:kgroupInfo
{
[self _readRcfileAndSetGroupInfo:kgroupInfo];
return self;
}
- (void)_writeToTableGroupInfo:kgroupInfo
{
char *groupname, *groupnameKey;
char *art_num_set;
char *group_line, *old_line;
groupname = (char *)[kgroupInfo infoForKey:GROUPNAME];
art_num_set = (char *)[kgroupInfo infoForKey:ART_NUM_SET];
if ([istringTable valueForStringKey:groupname] == NULL) {
/* key is not in string table, so allocate memory for key */
groupnameKey = NXCopyStringBufferFromZone(groupname,istringTableZone);
} else {
groupnameKey = groupname;
}
group_line = (char *)NXZoneMalloc(istringTableZone,
(strlen(groupnameKey)+strlen(art_num_set)+3));
if (!(strcmp([kgroupInfo infoForKey:SUBSCRIBE], "yes"))) {
sprintf (group_line, "%s: %s", groupname, art_num_set);
} else {
sprintf (group_line, "%s! %s", groupname, art_num_set);
}
/* insert group_line to string table */
/* if news group is not new one, and exist in table */
/* free the old group_line which has "groupname:...." */
if((old_line = [istringTable insertKey:groupnameKey value:group_line])
!=NULL){
NXZoneFree(istringTableZone, old_line);
}
return;
}
//- readGroupInfo:sender
//{
// id groupInfo;
// if ((groupInfo=[sender dataForKey:GROUPINFO]) != nil) {
// [self _readRcfileAndSetGroupInfo:groupInfo];
// }
// return self;
//}
- (void)_readRcfileAndSetGroupInfo:kgroupInfo
{
char *groupname, *iLineBuf_ptr, ch;
char buf[256];
int first;
groupname = (char *)[kgroupInfo infoForKey:GROUPNAME];
/* if group is exist in .newsrc */
/* and it has ':' or ';' */
if (([self _getLineGroup:groupname]!='\0') &&
(strchr(iLineBuf, ':') || strchr(iLineBuf, '!'))) {
iLineBuf_ptr = iLineBuf;
/* check subscription */
if (strchr(iLineBuf, '!')) {
[kgroupInfo addInfoString:"no" key:SUBSCRIBE];
} else {
[kgroupInfo addInfoString:"yes" key:SUBSCRIBE];
}
while ( (ch = *(++iLineBuf_ptr)) != ':' && ch != '!')
; /* move ptr. after ':' or '!' */
while ( (ch = *(++iLineBuf_ptr)) == ' ' )
;
/* skip space */
if (ch=='\0') { /* if iLineBuf is "groupname: " */
/* art_num_set is "0-(LAST-1)" */
first = (int)[kgroupInfo infoForKey:FIRST] - 1;
if (first < 0) {
first = 0;
}
sprintf (buf, "0-%d", first);
[kgroupInfo addInfoString:buf key:ART_NUM_SET];
return;
} else {
[kgroupInfo addInfoString:iLineBuf_ptr key:ART_NUM_SET];
}
/* read xxx-xxx store xxx-xxx to groupInfo */
} else {
/* if not group in .newsrc file */
/* set initial value to groupInfo */
/* art_num_set is "1- (FIRST-1)" */
first = (int)[kgroupInfo infoForKey:FIRST] - 1;
if (first < 0) {
first = 0;
}
sprintf (buf, "0-%d", first);
[kgroupInfo addInfoString:"yes" key:SUBSCRIBE];
[kgroupInfo addInfoString:buf key:ART_NUM_SET];
/* sould be changed to display new added group to screen */
// fprintf (stderr, "WARNING: new group \"%s\" is added\n", groupname);
}
return;
}
- (char *)_getLineGroup:(char *)kgroup
{
const char *group_line;
iLineBuf[0] = '\0';
if ((group_line=[istringTable valueForStringKey:kgroup]) != NULL) {
/* len. of group_line < LINE_BUF_MAXLEN. if not, "-readRcfile:" */
/* must make alert panel */
strncpy (iLineBuf, group_line, sizeof(iLineBuf));
}
return iLineBuf;
}
- free
{
NXDestroyZone (istringTableZone);
return [super free];
}
@end
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