/* 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 2006 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 "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; } 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; *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); 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); } return(JS_TRUE); } static JSBool js_close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; 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); fclose(p->fp); dbprintf(FALSE, p, "closed"); p->fp=NULL; 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; *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 { len=filelength(fileno(p->fp)); offset=ftell(p->fp); if(offset>0) len-=offset; } if(len<0) len=512; if((buf=alloca(len+1))==NULL) return(JS_TRUE); 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=alloca(uulen))==NULL) 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) { buf=uubuf; len=uulen; } } str = JS_NewStringCopyN(cx, buf, len); if(str==NULL) return(JS_FALSE); *rval = STRING_TO_JSVAL(str); dbprintf(FALSE, p, "read %u bytes",len); 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; *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); 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); if((js_str=JS_NewStringCopyZ(cx,buf))!=NULL) /* exception here Feb-12-2005 */ *rval = STRING_TO_JSVAL(js_str); /* _CrtDbgBreak from _heap_alloc_dbg */ } 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; *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); } switch(size) { case sizeof(BYTE): if(fread(&b,1,size,p->fp)==size) *rval = INT_TO_JSVAL(b); break; case sizeof(WORD): if(fread(&w,1,size,p->fp)==size) { if(p->network_byte_order) w=ntohs(w); *rval = INT_TO_JSVAL(w); } break; case sizeof(DWORD): if(fread(&l,1,size,p->fp)==size) { if(p->network_byte_order) l=ntohl(l); JS_NewNumberValue(cx,l,rval); } break; } 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, 0, NULL, &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; 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 */ *rval=get_value(cx,iniReadString(p->fp,section,key,NULL,buf)); 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: JS_NewNumberValue(cx ,iniReadFloat(p->fp,section,key,*JSVAL_TO_DOUBLE(dflt)),rval); break; case JSVAL_OBJECT: if((dflt_obj = JSVAL_TO_OBJECT(dflt))!=NULL && js_DateIsValid(cx, dflt_obj)) { date_obj = js_NewDateObjectMsec(cx ,(jsdouble)iniReadDateTime(p->fp,section,key ,(time_t)(js_DateGetMsecSinceEpoch(cx,dflt_obj)/1000.0)) *1000.0); if(date_obj!=NULL) *rval = OBJECT_TO_JSVAL(date_obj); break; } array = JS_NewArrayObject(cx, 0, NULL); list=iniReadStringList(p->fp,section,key,",",JS_GetStringBytes(JS_ValueToString(cx,dflt))); for(i=0;list && list[i];i++) { val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i])); if(!JS_SetElement(cx, array, i, &val)) break; } iniFreeStringList(list); *rval = OBJECT_TO_JSVAL(array); break; default: if(JSVAL_IS_NUMBER(dflt)) { if(!JS_ValueToInt32(cx,dflt,&i)) return(JS_FALSE); JS_NewNumberValue(cx,iniReadInteger(p->fp,section,key,i),rval); } else *rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx ,iniReadString(p->fp,section,key,JS_GetStringBytes(JS_ValueToString(cx,dflt)),buf))); 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; *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])); if((list=iniReadFile(p->fp))==NULL) return(JS_TRUE); if(value==JSVAL_VOID) /* unspecified value */ result = iniSetString(&list,section,key,"",NULL); 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); result = iniSetInteger(&list,section,key,i,NULL); } else { if(JSVAL_IS_OBJECT(value) && (value_obj = JSVAL_TO_OBJECT(value))!=NULL && js_DateIsValid(cx, value_obj)) { result = iniSetDateTime(&list,section,key,/* include_time */TRUE ,(time_t)(js_DateGetMsecSinceEpoch(cx,value_obj)/1000.0),NULL); } else result = iniSetString(&list,section,key ,JS_GetStringBytes(JS_ValueToString(cx,value)),NULL); } break; } } if(result != NULL) *rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list)); strListFree(&list); 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; *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])); if((list=iniReadFile(p->fp))==NULL) return(JS_TRUE); if(iniRemoveKey(&list,section,key)) *rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list)); strListFree(&list); 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; *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])); if((list=iniReadFile(p->fp))==NULL) return(JS_TRUE); if(iniRemoveSection(&list,section)) *rval = BOOLEAN_TO_JSVAL(iniWriteFile(p->fp,list)); strListFree(&list); 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; *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); list = iniReadSectionList(p->fp,prefix); for(i=0;list && list[i];i++) { val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i])); if(!JS_SetElement(cx, array, i, &val)) break; } iniFreeStringList(list); *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; *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); list = iniReadKeyList(p->fp,section); for(i=0;list && list[i];i++) { val=STRING_TO_JSVAL(JS_NewStringCopyZ(cx,list[i])); if(!JS_SetElement(cx, array, i, &val)) break; } iniFreeStringList(list); *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; *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); list = iniReadNamedStringList(p->fp,section); for(i=0;list && list[i];i++) { JS_DefineProperty(cx, object, list[i]->name ,get_value(cx,list[i]->value) ,NULL,NULL,JSPROP_ENUMERATE); } iniFreeNamedStringList(list); *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); return(JS_TRUE); } static JSBool js_iniGetAllObjects(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { char* name="name"; char* sec_name; char* prefix=NULL; char** sec_list; jsint i,k; jsval val; JSObject* array; JSObject* object; private_t* p; named_string_t** key_list; *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) name=JS_GetStringBytes(JS_ValueToString(cx, argv[0])); if(argc>1) prefix=JS_GetStringBytes(JS_ValueToString(cx, argv[1])); array = JS_NewArrayObject(cx, 0, NULL); sec_list = iniReadSectionList(p->fp,prefix); for(i=0;sec_list && sec_list[i];i++) { object = JS_NewObject(cx, NULL, NULL, obj); sec_name=sec_list[i]; if(prefix!=NULL) sec_name+=strlen(prefix); JS_DefineProperty(cx, object, name ,STRING_TO_JSVAL(JS_NewStringCopyZ(cx,sec_name)) ,NULL,NULL,JSPROP_ENUMERATE); key_list = iniReadNamedStringList(p->fp,sec_list[i]); for(k=0;key_list && key_list[k];k++) JS_DefineProperty(cx, object, key_list[k]->name ,get_value(cx,key_list[k]->value) ,NULL,NULL,JSPROP_ENUMERATE); iniFreeNamedStringList(key_list); val=OBJECT_TO_JSVAL(object); if(!JS_SetElement(cx, array, i, &val)) break; } iniFreeStringList(sec_list); *rval = OBJECT_TO_JSVAL(array); return(JS_TRUE); } static JSBool js_iniSetAllObjects(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { char* name="name"; jsuint i; jsuint count; JSObject* array; jsval set_argv[2]; *rval = JSVAL_FALSE; if(!JSVAL_IS_OBJECT(argv[0])) return(JS_TRUE); array = JSVAL_TO_OBJECT(argv[0]); if(!JS_IsArrayObject(cx, array)) return(JS_TRUE); if(!JS_GetArrayLength(cx, array, &count)) return(JS_TRUE); if(argc>1) name=JS_GetStringBytes(JS_ValueToString(cx, argv[1])); /* enumerate the array */ for(i=0; i<count; i++) { if(!JS_GetElement(cx, array, i, &set_argv[1])) break; if(!JSVAL_IS_OBJECT(set_argv[1])) /* must be an array of objects */ break; if(!JS_GetProperty(cx, JSVAL_TO_OBJECT(set_argv[1]), name, &set_argv[0])) continue; if(!js_iniSetObject(cx, obj, 2, set_argv, rval)) break; } return(JS_TRUE); } static JSBool js_write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { char* cp; char* uubuf=NULL; int len; /* string length */ int tlen; /* total length to write (may be greater than len) */ JSString* str; private_t* p; *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); str = JS_ValueToString(cx, argv[0]); cp = JS_GetStringBytes(str); len = JS_GetStringLength(str); if((p->uuencoded || p->b64encoded || p->yencoded) && len && (uubuf=alloca(len))!=NULL) { if(p->uuencoded) len=uudecode(uubuf,len,cp,len); else if(p->yencoded) len=ydecode(uubuf,len,cp,len); else len=b64_decode(uubuf,len,cp,len); if(len<0) return(JS_TRUE); cp=uubuf; } if(p->rot13) rot13(cp); tlen=len; if(argc>1) { if(!JS_ValueToInt32(cx,argv[1],(int32*)&tlen)) return(JS_FALSE); if(len>tlen) len=tlen; } if(fwrite(cp,1,len,p->fp)==(size_t)len) { if(tlen>len) { len=tlen-len; if((cp=alloca(len))==NULL) { dbprintf(TRUE, p, "alloca failure of %u bytes", len); return(JS_TRUE); } memset(cp,p->etx,len); fwrite(cp,1,len,p->fp); } dbprintf(FALSE, p, "wrote %u bytes",tlen); *rval = JSVAL_TRUE; } else dbprintf(TRUE, p, "write of %u bytes failed",len); return(JS_TRUE); } static JSBool js_writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { char* cp=""; JSString* str; private_t* p; *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(argc) { if((str = JS_ValueToString(cx, argv[0]))==NULL) { JS_ReportError(cx,"JS_ValueToString failed"); return(JS_FALSE); } cp = JS_GetStringBytes(str); } if(p->rot13) rot13(cp); if(fprintf(p->fp,"%s\n",cp)!=0) *rval = JSVAL_TRUE; return(JS_TRUE); } static JSBool js_writebin(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { BYTE b; WORD w; DWORD l; int32 val=0; size_t wr=0; size_t size=sizeof(DWORD); private_t* p; *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(!JS_ValueToInt32(cx,argv[0],&val)) return(JS_FALSE); if(argc>1) { if(!JS_ValueToInt32(cx,argv[1],(int32*)&size)) return(JS_FALSE); } switch(size) { case sizeof(BYTE): b = (BYTE)val; wr=fwrite(&b,1,size,p->fp); break; case sizeof(WORD): w = (WORD)val; if(p->network_byte_order) w=htons(w); wr=fwrite(&w,1,size,p->fp); break; case sizeof(DWORD): l = val; if(p->network_byte_order) l=htonl(l); wr=fwrite(&l,1,size,p->fp); break; default: /* unknown size */ dbprintf(TRUE, p, "unsupported binary write size: %d",size); break; } if(wr==size) *rval = JSVAL_TRUE; return(JS_TRUE); } static JSBool js_writeall(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { jsuint i; jsuint limit; JSObject* array; jsval elemval; private_t* p; *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(!JSVAL_IS_OBJECT(argv[0])) return(JS_TRUE); array = JSVAL_TO_OBJECT(argv[0]); if(!JS_IsArrayObject(cx, array)) return(JS_TRUE); if(!JS_GetArrayLength(cx, array, &limit)) return(JS_FALSE); *rval = JSVAL_TRUE; for(i=0;i<limit;i++) { if(!JS_GetElement(cx, array, i, &elemval)) break; js_writeln(cx, obj, 1, &elemval, rval); if(*rval!=JSVAL_TRUE) break; } return(JS_TRUE); } static JSBool js_lock(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { int32 offset=0; int32 len=0; private_t* p; *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); /* offset */ if(argc) { if(!JS_ValueToInt32(cx,argv[0],&offset)) return(JS_FALSE); } /* length */ if(argc>1) { if(!JS_ValueToInt32(cx,argv[1],&len)) return(JS_FALSE); } if(len==0) len=filelength(fileno(p->fp))-offset; if(lock(fileno(p->fp),offset,len)==0) *rval = JSVAL_TRUE; return(JS_TRUE); } static JSBool js_unlock(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { int32 offset=0; int32 len=0; private_t* p; *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); /* offset */ if(argc) { if(!JS_ValueToInt32(cx,argv[0],&offset)) return(JS_FALSE); } /* length */ if(argc>1) { if(!JS_ValueToInt32(cx,argv[1],&len)) return(JS_FALSE); } if(len==0) len=filelength(fileno(p->fp))-offset; if(unlock(fileno(p->fp),offset,len)==0) *rval = JSVAL_TRUE; return(JS_TRUE); } static JSBool js_delete(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } if(p->fp!=NULL) { /* close it if it's open */ fclose(p->fp); p->fp=NULL; } *rval = BOOLEAN_TO_JSVAL(remove(p->name)==0); return(JS_TRUE); } static JSBool js_flush(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } if(p->fp==NULL) *rval = JSVAL_FALSE; else *rval = BOOLEAN_TO_JSVAL(fflush(p->fp)==0); return(JS_TRUE); } static JSBool js_rewind(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } if(p->fp==NULL) *rval = JSVAL_FALSE; else { *rval = JSVAL_TRUE; rewind(p->fp); } return(JS_TRUE); } static JSBool js_truncate(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; int32 len=0; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } if(argc) { if(!JS_ValueToInt32(cx,argv[0],&len)) return(JS_FALSE); } *rval = JSVAL_FALSE; if(p->fp!=NULL && chsize(fileno(p->fp),len)==0) { fseek(p->fp,len,SEEK_SET); *rval = JSVAL_TRUE; } return(JS_TRUE); } static JSBool js_clear_error(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } if(p->fp==NULL) *rval = JSVAL_FALSE; else { clearerr(p->fp); *rval = JSVAL_TRUE; } return(JS_TRUE); } static JSBool js_fprintf(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { char* cp; private_t* p; *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((cp=js_sprintf(cx, 0, argc, argv))==NULL) { JS_ReportError(cx,"js_sprintf failed"); return(JS_FALSE); } *rval = INT_TO_JSVAL(fwrite(cp,1,strlen(cp),p->fp)); js_sprintf_free(cp); return(JS_TRUE); } /* File Object Properites */ enum { FILE_PROP_NAME ,FILE_PROP_MODE ,FILE_PROP_ETX ,FILE_PROP_EXISTS ,FILE_PROP_DATE ,FILE_PROP_IS_OPEN ,FILE_PROP_EOF ,FILE_PROP_ERROR ,FILE_PROP_DESCRIPTOR ,FILE_PROP_DEBUG ,FILE_PROP_POSITION ,FILE_PROP_LENGTH ,FILE_PROP_ATTRIBUTES ,FILE_PROP_YENCODED ,FILE_PROP_UUENCODED ,FILE_PROP_B64ENCODED ,FILE_PROP_ROT13 ,FILE_PROP_NETWORK_ORDER /* dynamically calculated */ ,FILE_PROP_CHKSUM ,FILE_PROP_CRC16 ,FILE_PROP_CRC32 ,FILE_PROP_MD5_HEX ,FILE_PROP_MD5_B64 }; static JSBool js_file_set(JSContext *cx, JSObject *obj, jsval id, jsval *vp) { int32 i=0; jsint tiny; private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } tiny = JSVAL_TO_INT(id); dbprintf(FALSE, p, "setting property %d",tiny); switch(tiny) { case FILE_PROP_DEBUG: JS_ValueToBoolean(cx,*vp,&(p->debug)); break; case FILE_PROP_YENCODED: JS_ValueToBoolean(cx,*vp,&(p->yencoded)); break; case FILE_PROP_UUENCODED: JS_ValueToBoolean(cx,*vp,&(p->uuencoded)); break; case FILE_PROP_B64ENCODED: JS_ValueToBoolean(cx,*vp,&(p->b64encoded)); break; case FILE_PROP_ROT13: JS_ValueToBoolean(cx,*vp,&(p->rot13)); break; case FILE_PROP_NETWORK_ORDER: JS_ValueToBoolean(cx,*vp,&(p->network_byte_order)); break; case FILE_PROP_POSITION: if(p->fp!=NULL) { if(!JS_ValueToInt32(cx,*vp,&i)) return(JS_FALSE); fseek(p->fp,i,SEEK_SET); } break; case FILE_PROP_DATE: if(!JS_ValueToInt32(cx,*vp,&i)) return(JS_FALSE); setfdate(p->name,i); break; case FILE_PROP_LENGTH: if(p->fp!=NULL) { if(!JS_ValueToInt32(cx,*vp,&i)) return(JS_FALSE); chsize(fileno(p->fp),i); } break; case FILE_PROP_ATTRIBUTES: if(!JS_ValueToInt32(cx,*vp,&i)) return(JS_FALSE); CHMOD(p->name,i); break; case FILE_PROP_ETX: if(!JS_ValueToInt32(cx,*vp,&i)) return(JS_FALSE); p->etx = (uchar)i; break; } return(JS_TRUE); } static JSBool js_file_get(JSContext *cx, JSObject *obj, jsval id, jsval *vp) { char str[128]; size_t i; size_t rd; long offset; ulong sum=0; ushort c16=0; ulong c32=~0; MD5 md5_ctx; BYTE block[4096]; BYTE digest[MD5_DIGEST_SIZE]; jsint tiny; JSString* js_str=NULL; private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) { JS_ReportError(cx,getprivate_failure,WHERE); return(JS_FALSE); } tiny = JSVAL_TO_INT(id); #if 0 /* just too much */ dbprintf(FALSE, sock, "getting property %d",tiny); #endif switch(tiny) { case FILE_PROP_NAME: if((js_str=JS_NewStringCopyZ(cx, p->name))==NULL) return(JS_FALSE); *vp = STRING_TO_JSVAL(js_str); break; case FILE_PROP_MODE: if((js_str=JS_NewStringCopyZ(cx, p->mode))==NULL) return(JS_FALSE); *vp = STRING_TO_JSVAL(js_str); break; case FILE_PROP_EXISTS: if(p->fp) /* open? */ *vp = JSVAL_TRUE; else *vp = BOOLEAN_TO_JSVAL(fexistcase(p->name)); break; case FILE_PROP_DATE: JS_NewNumberValue(cx,fdate(p->name),vp); break; case FILE_PROP_IS_OPEN: *vp = BOOLEAN_TO_JSVAL(p->fp!=NULL); break; case FILE_PROP_EOF: if(p->fp) *vp = BOOLEAN_TO_JSVAL(feof(p->fp)!=0); else *vp = JSVAL_TRUE; break; case FILE_PROP_ERROR: if(p->fp) *vp = INT_TO_JSVAL(ferror(p->fp)); else *vp = INT_TO_JSVAL(errno); break; case FILE_PROP_POSITION: if(p->fp) JS_NewNumberValue(cx,ftell(p->fp),vp); else *vp = INT_TO_JSVAL(-1); break; case FILE_PROP_LENGTH: if(p->fp) /* open? */ JS_NewNumberValue(cx,filelength(fileno(p->fp)),vp); else JS_NewNumberValue(cx,flength(p->name),vp); break; case FILE_PROP_ATTRIBUTES: JS_NewNumberValue(cx,getfattr(p->name),vp); break; case FILE_PROP_DEBUG: *vp = BOOLEAN_TO_JSVAL(p->debug); break; case FILE_PROP_YENCODED: *vp = BOOLEAN_TO_JSVAL(p->yencoded); break; case FILE_PROP_UUENCODED: *vp = BOOLEAN_TO_JSVAL(p->uuencoded); break; case FILE_PROP_B64ENCODED: *vp = BOOLEAN_TO_JSVAL(p->b64encoded); break; case FILE_PROP_ROT13: *vp = BOOLEAN_TO_JSVAL(p->rot13); break; case FILE_PROP_NETWORK_ORDER: *vp = BOOLEAN_TO_JSVAL(p->network_byte_order); break; case FILE_PROP_DESCRIPTOR: if(p->fp) *vp = INT_TO_JSVAL(fileno(p->fp)); else *vp = INT_TO_JSVAL(-1); break; case FILE_PROP_ETX: *vp = INT_TO_JSVAL(p->etx); break; case FILE_PROP_CHKSUM: case FILE_PROP_CRC16: case FILE_PROP_CRC32: *vp = JSVAL_ZERO; if(p->fp==NULL) break; /* fall-through */ case FILE_PROP_MD5_HEX: case FILE_PROP_MD5_B64: *vp = JSVAL_VOID; if(p->fp==NULL) break; offset=ftell(p->fp); /* save current file position */ fseek(p->fp,0,SEEK_SET); /* Initialization */ switch(tiny) { case FILE_PROP_MD5_HEX: case FILE_PROP_MD5_B64: MD5_open(&md5_ctx); break; } /* calculate */ while(!feof(p->fp)) { if((rd=fread(block,1,sizeof(block),p->fp))<1) break; switch(tiny) { case FILE_PROP_CHKSUM: for(i=0;i<rd;i++) sum+=block[i]; break; case FILE_PROP_CRC16: for(i=0;i<rd;i++) c16=ucrc16(block[i],c16); break; case FILE_PROP_CRC32: for(i=0;i<rd;i++) c32=ucrc32(block[i],c32); break; case FILE_PROP_MD5_HEX: case FILE_PROP_MD5_B64: MD5_digest(&md5_ctx,block,rd); break; } } /* finalize */ switch(tiny) { case FILE_PROP_CHKSUM: JS_NewNumberValue(cx,sum,vp); break; case FILE_PROP_CRC16: if(!JS_NewNumberValue(cx,c16,vp)) *vp=JSVAL_ZERO; break; case FILE_PROP_CRC32: if(!JS_NewNumberValue(cx,~c32,vp)) *vp=JSVAL_ZERO; break; case FILE_PROP_MD5_HEX: case FILE_PROP_MD5_B64: MD5_close(&md5_ctx,digest); if(tiny==FILE_PROP_MD5_HEX) MD5_hex(str,digest); else b64_encode(str,sizeof(str)-1,digest,sizeof(digest)); js_str=JS_NewStringCopyZ(cx, str); break; } fseek(p->fp,offset,SEEK_SET); /* restore saved file position */ if(js_str!=NULL) *vp = STRING_TO_JSVAL(js_str); break; } return(JS_TRUE); } #define FILE_PROP_FLAGS JSPROP_ENUMERATE|JSPROP_READONLY static jsSyncPropertySpec js_file_properties[] = { /* name ,tinyid ,flags, ver */ { "name" ,FILE_PROP_NAME ,FILE_PROP_FLAGS, 310}, { "mode" ,FILE_PROP_MODE ,FILE_PROP_FLAGS, 310}, { "exists" ,FILE_PROP_EXISTS ,FILE_PROP_FLAGS, 310}, { "is_open" ,FILE_PROP_IS_OPEN ,FILE_PROP_FLAGS, 310}, { "eof" ,FILE_PROP_EOF ,FILE_PROP_FLAGS, 310}, { "error" ,FILE_PROP_ERROR ,FILE_PROP_FLAGS, 310}, { "descriptor" ,FILE_PROP_DESCRIPTOR ,FILE_PROP_FLAGS, 310}, /* writeable */ { "etx" ,FILE_PROP_ETX ,JSPROP_ENUMERATE, 310}, { "debug" ,FILE_PROP_DEBUG ,JSPROP_ENUMERATE, 310}, { "position" ,FILE_PROP_POSITION ,JSPROP_ENUMERATE, 310}, { "date" ,FILE_PROP_DATE ,JSPROP_ENUMERATE, 311}, { "length" ,FILE_PROP_LENGTH ,JSPROP_ENUMERATE, 310}, { "attributes" ,FILE_PROP_ATTRIBUTES ,JSPROP_ENUMERATE, 310}, { "network_byte_order",FILE_PROP_NETWORK_ORDER,JSPROP_ENUMERATE, 311}, { "rot13" ,FILE_PROP_ROT13 ,JSPROP_ENUMERATE, 311}, { "uue" ,FILE_PROP_UUENCODED ,JSPROP_ENUMERATE, 311}, { "yenc" ,FILE_PROP_YENCODED ,JSPROP_ENUMERATE, 311}, { "base64" ,FILE_PROP_B64ENCODED ,JSPROP_ENUMERATE, 311}, /* dynamically calculated */ { "crc16" ,FILE_PROP_CRC16 ,FILE_PROP_FLAGS, 311}, { "crc32" ,FILE_PROP_CRC32 ,FILE_PROP_FLAGS, 311}, { "chksum" ,FILE_PROP_CHKSUM ,FILE_PROP_FLAGS, 311}, { "md5_hex" ,FILE_PROP_MD5_HEX ,FILE_PROP_FLAGS, 311}, { "md5_base64" ,FILE_PROP_MD5_B64 ,FILE_PROP_FLAGS, 311}, {0} }; #ifdef BUILD_JSDOCS static char* file_prop_desc[] = { "filename specified in constructor - <small>READ ONLY</small>" ,"mode string specified in <i>open</i> call - <small>READ ONLY</small>" ,"<i>true</i> if the file exists - <small>READ ONLY</small>" ,"<i>true</i> if the file has been opened successfully - <small>READ ONLY</small>" ,"<i>true</i> if the current file position is at the <i>end of file</i> - <small>READ ONLY</small>" ,"the last occurred error value (use clear_error to clear) - <small>READ ONLY</small>" ,"the open file descriptor (advanced use only) - <small>READ ONLY</small>" ,"end-of-text character (advanced use only), if non-zero used by <i>read</i>, <i>readln</i>, and <i>write</i>" ,"set to <i>true</i> to enable debug log output" ,"the current file position (offset in bytes), change value to seek within file" ,"last modified date/time (in time_t format)" ,"the current length of the file (in bytes)" ,"file mode/attributes" ,"set to <i>true</i> if binary data is to be written and read in Network Byte Order (big end first)" ,"set to <i>true</i> to enable automatic ROT13 translatation of text" ,"set to <i>true</i> to enable automatic Unix-to-Unix encode and decode on <tt>read</tt> and <tt>write</tt> calls" ,"set to <i>true</i> to enable automatic yEnc encode and decode on <tt>read</tt> and <tt>write</tt> calls" ,"set to <i>true</i> to enable automatic Base64 encode and decode on <tt>read</tt> and <tt>write</tt> calls" ,"calculated 16-bit CRC of file contents - <small>READ ONLY</small>" ,"calculated 32-bit CRC of file contents - <small>READ ONLY</small>" ,"calculated 32-bit checksum of file contents - <small>READ ONLY</small>" ,"calculated 128-bit MD5 digest of file contents as hexadecimal string - <small>READ ONLY</small>" ,"calculated 128-bit MD5 digest of file contents as base64-encoded string - <small>READ ONLY</small>" ,NULL }; #endif static jsSyncMethodSpec js_file_functions[] = { {"open", js_open, 1, JSTYPE_BOOLEAN, JSDOCSTR("[mode=<tt>\"w+\"</tt>] [,shareable=<tt>false</tt>] [,buffer_length]") ,JSDOCSTR("open file, <i>shareable</i> defaults to <i>false</i>, <i>buffer_length</i> defaults to 2048 bytes, " "mode (default: <tt>'w+'</tt>) specifies the type of access requested for the file, as follows:<br>" "<tt>r </tt> open for reading; if the file does not exist or cannot be found, the open call fails<br>" "<tt>w </tt> open an empty file for writing; if the given file exists, its contents are destroyed<br>" "<tt>a </tt> open for writing at the end of the file (appending); creates the file first if it doesn�t exist<br>" "<tt>r+</tt> open for both reading and writing (the file must exist)<br>" "<tt>w+</tt> open an empty file for both reading and writing; if the given file exists, its contents are destroyed<br>" "<tt>a+</tt> open for reading and appending<br>" "<tt>b </tt> open in binary (untranslated) mode; translations involving carriage-return and linefeed characters are suppressed (e.g. <tt>r+b</tt>)<br>" "<tt>e </tt> open a <i>non-shareable</i> file (that must not already exist) for <i>exclusive</i> access <i>(introduced in v3.12)</i><br>" "<br><b>Note:</b> When using the <tt>iniSet</tt> methods to modify a <tt>.ini</tt> file, " "the file must be opened for both reading and writing.<br>" "<br><b>Note:</b> To open an existing or create a new file for both reading and writing, " "use the <i>file_exists</i> function like so:<br>" "<tt>file.open(file_exists(file.name) ? 'r+':'w+');</tt>" ) ,310 }, {"close", js_close, 0, JSTYPE_VOID, JSDOCSTR("") ,JSDOCSTR("close file") ,310 }, {"remove", js_delete, 0, JSTYPE_BOOLEAN, JSDOCSTR("") ,JSDOCSTR("remove the file from the disk") ,310 }, {"clearError", js_clear_error, 0, JSTYPE_ALIAS }, {"clear_error", js_clear_error, 0, JSTYPE_BOOLEAN, JSDOCSTR("") ,JSDOCSTR("clears the current error value (AKA clearError)") ,310 }, {"flush", js_flush, 0, JSTYPE_BOOLEAN, JSDOCSTR("") ,JSDOCSTR("flush/commit buffers to disk") ,310 }, {"rewind", js_rewind, 0, JSTYPE_BOOLEAN, JSDOCSTR("") ,JSDOCSTR("repositions the file pointer (<i>position</i>) to the beginning of a file " "and clears error and end-of-file indicators") ,311 }, {"truncate", js_truncate, 0, JSTYPE_BOOLEAN, JSDOCSTR("[length=<tt>0</tt>]") ,JSDOCSTR("changes the file <i>length</i> (default: 0) and repositions the file pointer " "(<i>position</i>) to the new end-of-file") ,31301 }, {"lock", js_lock, 2, JSTYPE_BOOLEAN, JSDOCSTR("[offset=<tt>0</tt>] [,length=<i>file_length</i>-<i>offset</i>]") ,JSDOCSTR("lock file record for exclusive access (file must be opened <i>shareable</i>)") ,310 }, {"unlock", js_unlock, 2, JSTYPE_BOOLEAN, JSDOCSTR("[offset=<tt>0</tt>] [,length=<i>file_length</i>-<i>offset</i>]") ,JSDOCSTR("unlock file record for exclusive access") ,310 }, {"read", js_read, 0, JSTYPE_STRING, JSDOCSTR("[maxlen=<i>file_length</i>-<i>file_position</i>]") ,JSDOCSTR("read a string from file (optionally unix-to-unix or base64 decoding in the process), " "<i>maxlen</i> defaults to the current length of the file minus the current file position") ,310 }, {"readln", js_readln, 0, JSTYPE_STRING, JSDOCSTR("[maxlen=<tt>512</tt>]") ,JSDOCSTR("read a line-feed terminated string, <i>maxlen</i> defaults to 512 characters") ,310 }, {"readBin", js_readbin, 0, JSTYPE_NUMBER, JSDOCSTR("[bytes=<tt>4</tt>]") ,JSDOCSTR("read a binary integer from the file, default number of <i>bytes</i> is 4 (32-bits)") ,310 }, {"readAll", js_readall, 0, JSTYPE_ARRAY, JSDOCSTR("") ,JSDOCSTR("read all lines into an array of strings") ,310 }, {"write", js_write, 1, JSTYPE_BOOLEAN, JSDOCSTR("text [,length=<i>text_length</i>]") ,JSDOCSTR("write a string to the file (optionally unix-to-unix or base64 decoding in the process)") ,310 }, {"writeln", js_writeln, 0, JSTYPE_BOOLEAN, JSDOCSTR("[text]") ,JSDOCSTR("write a line-feed terminated string to the file") ,310 }, {"writeBin", js_writebin, 1, JSTYPE_BOOLEAN, JSDOCSTR("value [,bytes=<tt>4</tt>]") ,JSDOCSTR("write a binary integer to the file, default number of <i>bytes</i> is 4 (32-bits)") ,310 }, {"writeAll", js_writeall, 0, JSTYPE_BOOLEAN, JSDOCSTR("array lines") ,JSDOCSTR("write an array of strings to file") ,310 }, {"printf", js_fprintf, 0, JSTYPE_NUMBER, JSDOCSTR("format [,args]") ,JSDOCSTR("write a formatted string to the file (ala fprintf) - " "<small>CAUTION: for experienced C programmers ONLY</small>") ,310 }, {"iniGetSections", js_iniGetSections, 0, JSTYPE_ARRAY, JSDOCSTR("[prefix=<i>none</i>]") ,JSDOCSTR("parse all section names from a <tt>.ini</tt> file (format = '<tt>[section]</tt>') " "and return the section names as an <i>array of strings</i>, " "optionally, only those section names that begin with the specified <i>prefix</i>") ,311 }, {"iniGetKeys", js_iniGetKeys, 1, JSTYPE_ARRAY, JSDOCSTR("[section=<i>root</i>]") ,JSDOCSTR("parse all key names from the specified <i>section</i> in a <tt>.ini</tt> file " "and return the key names as an <i>array of strings</i>. " "if <i>section</i> is undefined, returns key names from the <i>root</i> section") ,311 }, {"iniGetValue", js_iniGetValue, 3, JSTYPE_UNDEF, JSDOCSTR("section, key [,default=<i>none</i>]") ,JSDOCSTR("parse a key from a <tt>.ini</tt> file and return its value (format = '<tt>key = value</tt>'). " "returns the specified <i>default</i> value if the key or value is missing or invalid. " "to parse a key from the <i>root</i> section, pass <i>null</i> for <i>section</i>. " "will return a <i>bool</i>, <i>number</i>, <i>string</i>, or an <i>array of strings</i> " "determined by the type of <i>default</i> value specified") ,311 }, {"iniSetValue", js_iniSetValue, 3, JSTYPE_BOOLEAN, JSDOCSTR("section, key, [value=<i>none</i>]") ,JSDOCSTR("set the specified <i>key</i> to the specified <i>value</i> in the specified <i>section</i> " "of a <tt>.ini</tt> file. " "to set a key in the <i>root</i> section, pass <i>null</i> for <i>section</i>. ") ,312 }, {"iniGetObject", js_iniGetObject, 1, JSTYPE_OBJECT, JSDOCSTR("[section=<i>root</i>]") ,JSDOCSTR("parse an entire section from a .ini file " "and return all of its keys and values as properties of an object. " "if <i>section</i> is undefined, returns key and values from the <i>root</i> section") ,311 }, {"iniSetObject", js_iniSetObject, 2, JSTYPE_BOOLEAN, JSDOCSTR("section, object") ,JSDOCSTR("write all the properties of the specified <i>object</i> as separate <tt>key=value</tt> pairs " "in the specified <i>section</i> of a <tt>.ini</tt> file. " "to write an object in the <i>root</i> section, pass <i>null</i> for <i>section</i>. ") ,312 }, {"iniGetAllObjects",js_iniGetAllObjects,1, JSTYPE_ARRAY, JSDOCSTR("[name_property] [,prefix=<i>none</i>]") ,JSDOCSTR("parse all sections from a .ini file and return all (non-<i>root</i>) sections " "in an array of objects with each section's keys as properties of each object. " "<i>name_property</i> is the name of the property to create to contain the section's name " "(default is <tt>\"name\"</tt>), " "the optional <i>prefix</i> has the same use as in the <tt>iniGetSections</tt> method, " "if a <i>prefix</i> is specified, it is removed from each section's name" ) ,311 }, {"iniSetAllObjects",js_iniSetAllObjects,1, JSTYPE_ARRAY, JSDOCSTR("object array [,name_property=<tt>\"name\"</tt>]") ,JSDOCSTR("write an array of objects to a .ini file, each object in its own section named " "after the object's <i>name_property</i> (default: <tt>name</tt>)") ,312 }, {"iniRemoveKey", js_iniRemoveKey, 2, JSTYPE_BOOLEAN, JSDOCSTR("section, key") ,JSDOCSTR("remove specified <i>key</i> from specified <i>section</i> in <tt>.ini</tt> file.") ,31301 }, {"iniRemoveSection",js_iniRemoveSection,1, JSTYPE_BOOLEAN, JSDOCSTR("section") ,JSDOCSTR("remove specified <i>section</i> from <tt>.ini</tt> file.") ,31301 }, {0} }; /* File Destructor */ static void js_finalize_file(JSContext *cx, JSObject *obj) { private_t* p; if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) return; if(p->external==JS_FALSE && p->fp!=NULL) fclose(p->fp); dbprintf(FALSE, p, "closed: %s",p->name); free(p); JS_SetPrivate(cx, obj, NULL); } static JSClass js_file_class = { "File" /* name */ ,JSCLASS_HAS_PRIVATE /* flags */ ,JS_PropertyStub /* addProperty */ ,JS_PropertyStub /* delProperty */ ,js_file_get /* getProperty */ ,js_file_set /* setProperty */ ,JS_EnumerateStub /* enumerate */ ,JS_ResolveStub /* resolve */ ,JS_ConvertStub /* convert */ ,js_finalize_file /* finalize */ }; /* File Constructor (creates file descriptor) */ static JSBool js_file_constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { JSString* str; private_t* p; if((str = JS_ValueToString(cx, argv[0]))==NULL) { JS_ReportError(cx,"No filename specified"); return(JS_FALSE); } *rval = JSVAL_VOID; if((p=(private_t*)calloc(1,sizeof(private_t)))==NULL) { JS_ReportError(cx,"calloc failed"); return(JS_FALSE); } SAFECOPY(p->name,JS_GetStringBytes(str)); if(!JS_SetPrivate(cx, obj, p)) { dbprintf(TRUE, p, "JS_SetPrivate failed"); return(JS_FALSE); } if(!js_DefineSyncProperties(cx, obj, js_file_properties)) { dbprintf(TRUE, p, "js_DefineSyncProperties failed"); return(JS_FALSE); } if(!js_DefineSyncMethods(cx, obj, js_file_functions, FALSE)) { dbprintf(TRUE, p, "js_DefineSyncMethods failed"); return(JS_FALSE); } #ifdef BUILD_JSDOCS js_DescribeSyncObject(cx,obj,"Class used for opening, creating, reading, or writing files on the local file system<p>" "Special features include:</h2><ol type=disc>" "<li>Exclusive-access files (default) or shared files<ol type=circle>" "<li>optional record-locking" "<li>buffered or non-buffered I/O" "</ol>" "<li>Support for binary files<ol type=circle>" "<li>native or network byte order (endian)" "<li>automatic Unix-to-Unix (<i>UUE</i>), yEncode (<i>yEnc</i>) or Base64 encoding/decoding" "</ol>" "<li>Support for ASCII text files<ol type=circle>" "<li>supports line-based I/O<ol type=square>" "<li>entire file may be read or written as an array of strings" "<li>individual lines may be read or written one line at a time" "</ol>" "<li>supports fixed-length records<ol type=square>" "<li>optional end-of-text (<i>etx</i>) character for automatic record padding/termination" "<li>Synchronet <tt>.dat</tt> files use an <i>etx</i> value of 3 (Ctrl-C)" "</ol>" "<li>supports <tt>.ini</tt> formated configuration files<ol type=square>" "<li>concept and support of <i>root</i> ini sections added in v3.12" "</ol>" "<li>optional ROT13 encoding/translation" "</ol>" "<li>Dynamically-calculated industry standard checksums (e.g. CRC-16, CRC-32, MD5)" "</ol>" ,310 ); js_DescribeSyncConstructor(cx,obj,"To create a new File object: <tt>var f = new File(<i>filename</i>)</tt>"); js_CreateArrayOfStrings(cx, obj, "_property_desc_list", file_prop_desc, JSPROP_READONLY); #endif dbprintf(FALSE, p, "object constructed"); return(JS_TRUE); } JSObject* DLLCALL js_CreateFileClass(JSContext* cx, JSObject* parent) { JSObject* sockobj; sockobj = JS_InitClass(cx, parent, NULL ,&js_file_class ,js_file_constructor ,1 /* number of constructor args */ ,NULL /* props, set in constructor */ ,NULL /* funcs, set in constructor */ ,NULL,NULL); return(sockobj); } JSObject* DLLCALL js_CreateFileObject(JSContext* cx, JSObject* parent, char *name, FILE* fp) { JSObject* obj; private_t* p; obj = JS_DefineObject(cx, parent, name, &js_file_class, NULL ,JSPROP_ENUMERATE|JSPROP_READONLY); if(obj==NULL) return(NULL); if(!js_DefineSyncProperties(cx, obj, js_file_properties)) return(NULL); if (!js_DefineSyncMethods(cx, obj, js_file_functions, FALSE)) return(NULL); if((p=(private_t*)calloc(1,sizeof(private_t)))==NULL) return(NULL); p->fp=fp; p->debug=JS_FALSE; p->external=JS_TRUE; if(!JS_SetPrivate(cx, obj, p)) { dbprintf(TRUE, p, "JS_SetPrivate failed"); return(NULL); } dbprintf(FALSE, p, "object created"); return(obj); } #endif /* JAVSCRIPT */