js_file.c

/* js_file.c */

/* Synchronet JavaScript "File" Object */

/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2008 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This program is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU General Public License				*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#include "sbbs.h"
#include "md5.h"
#include "base64.h"
#include "uucode.h"
#include "yenc.h"
#include "ini_file.h"

#ifdef JAVASCRIPT

#include "js_request.h"
#include "jsdate.h"	/* Yes, I know this is a private header file */

typedef struct
{
	FILE*	fp;
	char	name[MAX_PATH+1];
	char	mode[4];
	uchar	etx;
	BOOL	external;	/* externally created, don't close */
	BOOL	debug;
	BOOL	rot13;
	BOOL	yencoded;
	BOOL	uuencoded;
	BOOL	b64encoded;
	BOOL	network_byte_order;
	BOOL	pipe;		/* Opened with popen() use pclose() to close */

} private_t;

static const char* getprivate_failure = "line %d %s JS_GetPrivate failed";

static void dbprintf(BOOL error, private_t* p, char* fmt, ...)
{
	va_list argptr;
	char sbuf[1024];

	if(p==NULL || (!p->debug && !error))
		return;

    va_start(argptr,fmt);
    vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
	sbuf[sizeof(sbuf)-1]=0;
    va_end(argptr);
	
	lprintf(LOG_DEBUG,"%04u File %s%s",p->fp ? fileno(p->fp) : 0,error ? "ERROR: ":"",sbuf);
}

/* Converts fopen() style 'mode' string into open() style 'flags' integer */

static int fopenflags(char *mode)
{
	int flags=0;

	if(strchr(mode,'b'))
		flags|=O_BINARY;
	else
		flags|=O_TEXT;

	if(strchr(mode,'w')) {
		flags|=O_CREAT|O_TRUNC;
		if(strchr(mode,'+'))
			flags|=O_RDWR;
		else
			flags|=O_WRONLY;
		return(flags);
	}

	if(strchr(mode,'a')) {
		flags|=O_CREAT|O_APPEND;
		if(strchr(mode,'+'))
			flags|=O_RDWR;
		else
			flags|=O_WRONLY;
		return(flags);
	}

	if(strchr(mode,'r')) {
		if(strchr(mode,'+'))
			flags|=O_RDWR;
		else
			flags|=O_RDONLY;
	}

	if(strchr(mode,'e'))
		flags|=O_EXCL;

	return(flags);
}

/* File Object Methods */

static JSBool
js_open(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		mode="w+";	/* default mode */
	BOOL		shareable=FALSE;
	int			file;
	uintN		i;
	jsint		bufsize=2*1024;
	JSString*	str;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_FALSE;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp!=NULL)  
		return(JS_TRUE);

	for(i=0;i<argc;i++) {
		if(JSVAL_IS_STRING(argv[i])) {	/* mode */
			if((str = JS_ValueToString(cx, argv[i]))==NULL) {
				JS_ReportError(cx,"Invalid mode specified: %s",str);
				return(JS_TRUE);
			}
			mode=JS_GetStringBytes(str);
		} else if(JSVAL_IS_BOOLEAN(argv[i]))	/* shareable */
			shareable=JSVAL_TO_BOOLEAN(argv[i]);
		else if(JSVAL_IS_NUMBER(argv[i])) {	/* bufsize */
			if(!JS_ValueToInt32(cx,argv[i],&bufsize))
				return(JS_FALSE);
		}
	}
	SAFECOPY(p->mode,mode);

	rc=JS_SUSPENDREQUEST(cx);
	if(shareable)
		p->fp=fopen(p->name,p->mode);
	else {
		if((file=nopen(p->name,fopenflags(p->mode)))!=-1) {
			if((p->fp=fdopen(file,p->mode))==NULL)
				close(file);
		}
	}
	if(p->fp!=NULL) {
		*rval = JSVAL_TRUE;
		dbprintf(FALSE, p, "opened: %s",p->name);
		if(!bufsize)
			setvbuf(p->fp,NULL,_IONBF,0);	/* no buffering */
		else
			setvbuf(p->fp,NULL,_IOFBF,bufsize);
	}
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}

static JSBool
js_popen(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		mode="r+";	/* default mode */
	uintN		i;
	jsint		bufsize=2*1024;
	JSString*	str;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_FALSE;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp!=NULL)  
		return(JS_TRUE);

	for(i=0;i<argc;i++) {
		if(JSVAL_IS_STRING(argv[i])) {	/* mode */
			if((str = JS_ValueToString(cx, argv[i]))==NULL) {
				JS_ReportError(cx,"Invalid mode specified: %s",str);
				return(JS_TRUE);
			}
			mode=JS_GetStringBytes(str);
		}
		else if(JSVAL_IS_NUMBER(argv[i])) {	/* bufsize */
			if(!JS_ValueToInt32(cx,argv[i],&bufsize))
				return(JS_FALSE);
		}
	}
	SAFECOPY(p->mode,mode);

	rc=JS_SUSPENDREQUEST(cx);
	p->fp=popen(p->name,p->mode);
	if(p->fp!=NULL) {
		p->pipe=TRUE;
		*rval = JSVAL_TRUE;
		dbprintf(FALSE, p, "popened: %s",p->name);
		if(!bufsize)
			setvbuf(p->fp,NULL,_IONBF,0);	/* no buffering */
		else
			setvbuf(p->fp,NULL,_IOFBF,bufsize);
	}
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}

static JSBool
js_close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	private_t*	p;
	jsrefcount	rc;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	rc=JS_SUSPENDREQUEST(cx);
#ifdef __unix__
	if(p->pipe)
		pclose(p->fp);
	else
#endif
		fclose(p->fp);

	dbprintf(FALSE, p, "closed");

	p->fp=NULL; 
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}

static JSBool
js_read(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		cp;
	char*		buf;
	char*		uubuf;
	int32		len;
	int32		offset;
	int32		uulen;
	JSString*	str;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argc) {
		if(!JS_ValueToInt32(cx,argv[0],&len))
			return(JS_FALSE);
	} else {
		rc=JS_SUSPENDREQUEST(cx);
		len=filelength(fileno(p->fp));
		offset=ftell(p->fp);
		if(offset>0)
			len-=offset;
		JS_RESUMEREQUEST(cx, rc);
	}
	if(len<0)
		len=512;

	if((buf=malloc(len+1))==NULL)
		return(JS_TRUE);

	rc=JS_SUSPENDREQUEST(cx);
	len = fread(buf,1,len,p->fp);
	if(len<0) 
		len=0;
	buf[len]=0;

	if(p->etx) {
		cp=strchr(buf,p->etx);
		if(cp) *cp=0; 
		len=strlen(buf);
	}

	if(p->rot13)
		rot13(buf);

	if(p->uuencoded || p->b64encoded || p->yencoded) {
		uulen=len*2;
		if((uubuf=malloc(uulen))==NULL) {
			free(buf);
			JS_RESUMEREQUEST(cx, rc);
			return(JS_TRUE);
		}
		if(p->uuencoded)
			uulen=uuencode(uubuf,uulen,buf,len);
		else if(p->yencoded)
			uulen=yencode(uubuf,uulen,buf,len);
		else
			uulen=b64_encode(uubuf,uulen,buf,len);
		if(uulen>=0) {
			free(buf);
			buf=uubuf;
			len=uulen;
		}
		else
			free(uubuf);
	}
	JS_RESUMEREQUEST(cx, rc);

	str = JS_NewStringCopyN(cx, buf, len);
	free(buf);

	if(str==NULL)
		return(JS_FALSE);

	*rval = STRING_TO_JSVAL(str);

	rc=JS_SUSPENDREQUEST(cx);
	dbprintf(FALSE, p, "read %u bytes",len);
	JS_RESUMEREQUEST(cx, rc);
		
	return(JS_TRUE);
}

static JSBool
js_readln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		cp;
	char*		buf;
	int32		len=512;
	JSString*	js_str;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);
	
	if(argc) {
		if(!JS_ValueToInt32(cx,argv[0],&len))
			return(JS_FALSE);
	}

	if((buf=alloca(len))==NULL)
		return(JS_TRUE);

	rc=JS_SUSPENDREQUEST(cx);
	if(fgets(buf,len,p->fp)!=NULL) {
		len=strlen(buf);
		while(len>0 && (buf[len-1]=='\r' || buf[len-1]=='\n'))
			len--;
		buf[len]=0;
		if(p->etx) {
			cp=strchr(buf,p->etx);
			if(cp) *cp=0; 
		}
		if(p->rot13)
			rot13(buf);
		JS_RESUMEREQUEST(cx, rc);
		if((js_str=JS_NewStringCopyZ(cx,buf))!=NULL)	/* exception here Feb-12-2005 */
			*rval = STRING_TO_JSVAL(js_str);			/* _CrtDbgBreak from _heap_alloc_dbg */
	} else {
		JS_RESUMEREQUEST(cx, rc);
	}

	return(JS_TRUE);
}

static JSBool
js_readbin(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	BYTE		*b;
	WORD		*w;
	DWORD		*l;
	size_t		size=sizeof(DWORD);
	private_t*	p;
	size_t		count=1;
	size_t		retlen;
	void		*buffer=NULL;
	size_t		i;
    JSObject*	array;
    jsval       v;
	jsrefcount	rc;

	*rval = INT_TO_JSVAL(-1);

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argc) {
		if(!JS_ValueToInt32(cx,argv[0],(int32*)&size))
			return(JS_FALSE);
		if(argc>1) {
			if(!JS_ValueToInt32(cx,argv[1],(int32*)&count))
				return(JS_FALSE);
		}
	}

	rc=JS_SUSPENDREQUEST(cx);
	if(size != sizeof(BYTE) && size != sizeof(WORD) && size != sizeof(DWORD)) {
		/* unknown size */
		dbprintf(TRUE, p, "unsupported binary read size: %d",size);
		JS_RESUMEREQUEST(cx, rc);
		return(JS_TRUE);
	}

	buffer=malloc(size*count);
	if(buffer==NULL) {
		dbprintf(TRUE, p, "malloc failure of %u bytes", size*count);
		JS_RESUMEREQUEST(cx, rc);
		return(JS_FALSE);
	}
	b=buffer;
	w=buffer;
	l=buffer;
	retlen=fread(buffer, size, count, p->fp);
	if(count==1) {
		if(retlen==1) {
			switch(size) {
				case sizeof(BYTE):
					*rval = INT_TO_JSVAL(*b);
					break;
				case sizeof(WORD):
					*rval = INT_TO_JSVAL(*w);
					break;
				case sizeof(DWORD):
					JS_RESUMEREQUEST(cx, rc);
					JS_NewNumberValue(cx,*l,rval);
					rc=JS_SUSPENDREQUEST(cx);
					break;
			}
		}
	}
	else {
		JS_RESUMEREQUEST(cx, rc);
    	array = JS_NewArrayObject(cx, 0, NULL);

		for(i=0; i<retlen; i++) {
			switch(size) {
				case sizeof(BYTE):
					v = INT_TO_JSVAL(*(b++));
					break;
				case sizeof(WORD):
					v = INT_TO_JSVAL(*(w++));
					break;
				case sizeof(DWORD):
					JS_NewNumberValue(cx,*(l++),&v);
					break;
			}
        	if(!JS_SetElement(cx, array, i, &v)) {
				rc=JS_SUSPENDREQUEST(cx);
				goto end;
			}
		}
    	*rval = OBJECT_TO_JSVAL(array);
	}

end:
	free(buffer);
	JS_RESUMEREQUEST(cx, rc);
	return(JS_TRUE);
}

static JSBool
js_readall(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
    jsint       len=0;
    jsval       line;
    JSObject*	array;
	private_t*	p;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

    array = JS_NewArrayObject(cx, 0, NULL);

    while(!feof(p->fp)) {
		js_readln(cx, obj, argc, argv, &line);
		if(line==JSVAL_NULL)
			break;
        if(!JS_SetElement(cx, array, len++, &line))
			break;
	}
    *rval = OBJECT_TO_JSVAL(array);

    return(JS_TRUE);
}

static jsval get_value(JSContext *cx, char* value)
{
	char*	p;
	BOOL	f=FALSE;
	jsval	val;

	if(value==NULL || *value==0)
		return(JSVAL_VOID);

	/* integer or float? */
	for(p=value;*p;p++) {
		if(*p=='.' && !f)
			f=TRUE;
		else if(!isdigit(*p))
			break;
	}
	if(*p==0) {	
		JS_NewNumberValue(cx, f ? atof(value) : strtoul(value,NULL,10), &val);
		return(val);
	}
	/* hexadecimal number? */
	if(!strncmp(value,"0x",2)) {	
		for(p=value+2;*p;p++)
			if(!isxdigit(*p))
				break;
		if(*p==0) {	
			JS_NewNumberValue(cx,strtoul(value,NULL,0),&val);
			return(val);
		}
	}
	/* Boolean? */
	if(!stricmp(value,"true"))
		return(JSVAL_TRUE);
	if(!stricmp(value,"false"))
		return(JSVAL_FALSE);

	/* String */
	return(STRING_TO_JSVAL(JS_NewStringCopyZ(cx,value)));
}

static JSBool
js_iniGetValue(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*	section=ROOT_SECTION;
	char*	key;
	char**	list;
	char	buf[INI_MAX_VALUE_LEN];
	int32	i;
	jsval	val;
	jsval	dflt=argv[2];
	private_t*	p;
	JSObject*	array;
	JSObject*	dflt_obj;
	JSObject*	date_obj;
	jsrefcount	rc;
	double		dbl;
	time_t		tt;
	char*		cstr;
	char*		cstr2;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
	key=JS_GetStringBytes(JS_ValueToString(cx, argv[1]));

	if(dflt==JSVAL_VOID) {	/* unspecified default value */
		rc=JS_SUSPENDREQUEST(cx);
		*rval=get_value(cx,iniReadString(p->fp,section,key,NULL,buf));
		JS_RESUMEREQUEST(cx, rc);
		return(JS_TRUE);
	}

	switch(JSVAL_TAG(dflt)) {
		case JSVAL_BOOLEAN:
			*rval = BOOLEAN_TO_JSVAL(
				iniReadBool(p->fp,section,key,JSVAL_TO_BOOLEAN(dflt)));
			break;
		case JSVAL_DOUBLE:
			rc=JS_SUSPENDREQUEST(cx);
			dbl=iniReadFloat(p->fp,section,key,*JSVAL_TO_DOUBLE(dflt));
			JS_RESUMEREQUEST(cx, rc);
			JS_NewNumberValue(cx
				,dbl,rval);
			break;
		case JSVAL_OBJECT:
			if((dflt_obj = JSVAL_TO_OBJECT(dflt))!=NULL && js_DateIsValid(cx, dflt_obj)) {
				tt=(time_t)(js_DateGetMsecSinceEpoch(cx,dflt_obj)/1000.0);
				rc=JS_SUSPENDREQUEST(cx);
				dbl=iniReadDateTime(p->fp,section,key,tt);
				JS_RESUMEREQUEST(cx, rc);
				date_obj = js_NewDateObjectMsec(cx, dbl);
				if(date_obj!=NULL)
					*rval = OBJECT_TO_JSVAL(date_obj);
				break;
			}
		    array = JS_NewArrayObject(cx, 0, NULL);
			cstr=JS_GetStringBytes(JS_ValueToString(cx,dflt));
			rc=JS_SUSPENDREQUEST(cx);
			list=iniReadStringList(p->fp,section,key,",",cstr);
			JS_RESUMEREQUEST(cx, rc);
			for(i=0;list && list[i];i++) {
				val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i]));
				if(!JS_SetElement(cx, array, i, &val))
					break;
			}
			rc=JS_SUSPENDREQUEST(cx);
			iniFreeStringList(list);
			JS_RESUMEREQUEST(cx, rc);
			*rval = OBJECT_TO_JSVAL(array);
			break;
		default:
			if(JSVAL_IS_NUMBER(dflt)) {
				if(!JS_ValueToInt32(cx,dflt,&i))
					return(JS_FALSE);
				rc=JS_SUSPENDREQUEST(cx);
				i=iniReadInteger(p->fp,section,key,i);
				JS_RESUMEREQUEST(cx, rc);
				JS_NewNumberValue(cx,i,rval);
			} else {
				cstr=JS_GetStringBytes(JS_ValueToString(cx,dflt));
				rc=JS_SUSPENDREQUEST(cx);
				cstr2=iniReadString(p->fp,section,key,cstr,buf);
				JS_RESUMEREQUEST(cx, rc);
				*rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, cstr2));
			}
			break;
	}

	return(JS_TRUE);
}

static JSBool
js_iniSetValue(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*	section=ROOT_SECTION;
	char*	key;
	char*	result=NULL;
	int32	i;
	jsval	value=argv[2];
	private_t*	p;
	str_list_t	list;
	JSObject*	value_obj;
	jsrefcount	rc;
	char*		cstr;
	time_t		tt;

	*rval = JSVAL_FALSE;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
	key=JS_GetStringBytes(JS_ValueToString(cx, argv[1]));

	rc=JS_SUSPENDREQUEST(cx);
	if((list=iniReadFile(p->fp))==NULL) {
		JS_RESUMEREQUEST(cx, rc);
		return(JS_TRUE);
	}
	JS_RESUMEREQUEST(cx, rc);

	if(value==JSVAL_VOID) { 	/* unspecified value */
		rc=JS_SUSPENDREQUEST(cx);
		result = iniSetString(&list,section,key,"",NULL);
		JS_RESUMEREQUEST(cx, rc);
	}
	else {

		switch(JSVAL_TAG(value)) {
			case JSVAL_BOOLEAN:
				result = iniSetBool(&list,section,key,JSVAL_TO_BOOLEAN(value),NULL);
				break;
			case JSVAL_DOUBLE:
				result = iniSetFloat(&list,section,key,*JSVAL_TO_DOUBLE(value),NULL);
				break;
			default:
				if(JSVAL_IS_NUMBER(value)) {
					if(!JS_ValueToInt32(cx,value,&i))
						return(JS_FALSE);
					rc=JS_SUSPENDREQUEST(cx);
					result = iniSetInteger(&list,section,key,i,NULL);
					JS_RESUMEREQUEST(cx, rc);
				} else {
					if(JSVAL_IS_OBJECT(value) 
						&& (value_obj = JSVAL_TO_OBJECT(value))!=NULL
						&& js_DateIsValid(cx, value_obj)) {
						tt=(time_t)(js_DateGetMsecSinceEpoch(cx,value_obj)/1000.0);
						rc=JS_SUSPENDREQUEST(cx);
						result = iniSetDateTime(&list,section,key,/* include_time */TRUE, tt,NULL);
						JS_RESUMEREQUEST(cx, rc);
					} else {
						cstr=JS_GetStringBytes(JS_ValueToString(cx,value));
						rc=JS_SUSPENDREQUEST(cx);
						result = iniSetString(&list,section,key, cstr,NULL);
						JS_RESUMEREQUEST(cx, rc);
					}
				}
				break;
		}
	}

	rc=JS_SUSPENDREQUEST(cx);
	if(result != NULL)
		*rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list));

	strListFree(&list);
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}

static JSBool
js_iniRemoveKey(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*	section=ROOT_SECTION;
	char*	key;
	private_t*	p;
	str_list_t	list;
	jsrefcount	rc;

	*rval = JSVAL_FALSE;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
	key=JS_GetStringBytes(JS_ValueToString(cx, argv[1]));

	rc=JS_SUSPENDREQUEST(cx);
	if((list=iniReadFile(p->fp))==NULL) {
		JS_RESUMEREQUEST(cx, rc);
		return(JS_TRUE);
	}

	if(iniRemoveKey(&list,section,key))
		*rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list));

	strListFree(&list);
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}

static JSBool
js_iniRemoveSection(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*	section=ROOT_SECTION;
	private_t*	p;
	str_list_t	list;
	jsrefcount	rc;

	*rval = JSVAL_FALSE;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));

	rc=JS_SUSPENDREQUEST(cx);
	if((list=iniReadFile(p->fp))==NULL) {
		JS_RESUMEREQUEST(cx, rc);
		return(JS_TRUE);
	}

	if(iniRemoveSection(&list,section))
		*rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list));

	strListFree(&list);
	JS_RESUMEREQUEST(cx, rc);

	return(JS_TRUE);
}


static JSBool
js_iniGetSections(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		prefix=NULL;
	char**		list;
    jsint       i;
    jsval       val;
    JSObject*	array;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argc)
		prefix=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));

    array = JS_NewArrayObject(cx, 0, NULL);

	rc=JS_SUSPENDREQUEST(cx);
	list = iniReadSectionList(p->fp,prefix);
	JS_RESUMEREQUEST(cx, rc);
    for(i=0;list && list[i];i++) {
		val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i]));
        if(!JS_SetElement(cx, array, i, &val))
			break;
	}
	rc=JS_SUSPENDREQUEST(cx);
	iniFreeStringList(list);
	JS_RESUMEREQUEST(cx, rc);

    *rval = OBJECT_TO_JSVAL(array);

    return(JS_TRUE);
}

static JSBool
js_iniGetKeys(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		section=ROOT_SECTION;
	char**		list;
    jsint       i;
    jsval       val;
    JSObject*	array;
	private_t*	p;
	jsrefcount	rc;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
    array = JS_NewArrayObject(cx, 0, NULL);

	rc=JS_SUSPENDREQUEST(cx);
	list = iniReadKeyList(p->fp,section);
	JS_RESUMEREQUEST(cx, rc);
    for(i=0;list && list[i];i++) {
		val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i]));
        if(!JS_SetElement(cx, array, i, &val))
			break;
	}
	rc=JS_SUSPENDREQUEST(cx);
	iniFreeStringList(list);
	JS_RESUMEREQUEST(cx, rc);

    *rval = OBJECT_TO_JSVAL(array);

    return(JS_TRUE);
}

static JSBool
js_iniGetObject(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char*		section=ROOT_SECTION;
    jsint       i;
    JSObject*	object;
	private_t*	p;
	named_string_t** list;
	jsrefcount	rc;

	*rval = JSVAL_NULL;

	if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
		JS_ReportError(cx,getprivate_failure,WHERE);
		return(JS_FALSE);
	}

	if(p->fp==NULL)
		return(JS_TRUE);

	if(argv[0]!=JSVAL_VOID && argv[0]!=JSVAL_NULL)
		section=JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
    object = JS_NewObject(cx, NULL, NULL, obj);

	rc=JS_SUSPENDREQUEST(cx);
	list = iniReadNamedStringList(p->fp,section);
	JS_RESUMEREQUEST(cx, rc);
    for(i=0;list && list[i];i++) {
		JS_DefineProperty(cx, object, list[i]->name
			,get_value(cx,list[i]->value)
			,NULL,NULL,JSPROP_ENUMERATE);

	}
	rc=JS_SUSPENDREQUEST(cx);
	iniFreeNamedStringList(list);
	JS_RESUMEREQUEST(cx, rc);

    *rval = OBJECT_TO_JSVAL(object);

    return(JS_TRUE);
}

static JSBool
js_iniSetObject(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
    jsint       i;
    JSObject*	object;
	JSIdArray*	id_array;
	jsval		set_argv[3];

	*rval = JSVAL_FALSE;

	set_argv[0]=argv[0];	/* section */

	if(!JSVAL_IS_OBJECT(argv[1]) || argv[1]==JSVAL_NULL)
		return(JS_TRUE);

    object = JSVAL_TO_OBJECT(argv[1]);

	if((id_array=JS_Enumerate(cx,object))==NULL)
		return(JS_TRUE);

	for(i=0; i<id_array->length; i++)  {
		/* property */
		JS_IdToValue(cx,id_array->vector[i],&set_argv[1]);	
		/* value */
		JS_GetProperty(cx,object,JS_GetStringBytes(JSVAL_TO_STRING(set_argv[1])),&set_argv[2]);
		if(!js_iniSetValue(cx,obj,3,set_argv,rval))
			break;
	}

	JS_DestroyIdArray(cx,id_array);