Newer
Older
if(p->fp==NULL)
return(JS_TRUE);
/* offset */
if(argc) {
if(!JS_ValueToNumber(cx,argv[0],&val))
return(JS_FALSE);
offset=(off_t)val;
}
/* length */
if(argc>1) {
if(!JS_ValueToNumber(cx,argv[1],&val))
return(JS_FALSE);
len=(off_t)val;
}
rc=JS_SUSPENDREQUEST(cx);
if(len==0)
len=filelength(fileno(p->fp))-offset;
if(unlock(fileno(p->fp),offset,len)==0)
JS_SET_RVAL(cx, arglist, JSVAL_TRUE);
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
js_delete(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
if(p->fp!=NULL) { /* close it if it's open */
fclose(p->fp);
p->fp=NULL;
}
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(remove(p->name)==0));
JS_RESUMEREQUEST(cx, rc);
js_flush(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, JSVAL_FALSE);
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(fflush(p->fp)==0));
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
static JSBool
js_rewind(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
private_t* p;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
return(JS_FALSE);
}
rc=JS_SUSPENDREQUEST(cx);
if(p->fp==NULL)
JS_SET_RVAL(cx, arglist, JSVAL_FALSE);
JS_SET_RVAL(cx, arglist, JSVAL_TRUE);
rewind(p->fp);
}
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
js_truncate(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
jsval *argv=JS_ARGV(cx, arglist);
private_t* p;
int32 len=0;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
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);
}
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, JSVAL_FALSE);
if(p->fp!=NULL && chsize(fileno(p->fp),len)==0) {
fseek(p->fp,len,SEEK_SET);
JS_SET_RVAL(cx, arglist, JSVAL_TRUE);
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
js_clear_error(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, JSVAL_FALSE);
else {
clearerr(p->fp);
JS_SET_RVAL(cx, arglist, JSVAL_TRUE);
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
js_fprintf(JSContext *cx, uintN argc, jsval *arglist)
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
jsval *argv=JS_ARGV(cx, arglist);
JS_SET_RVAL(cx, arglist, JSVAL_FALSE);
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
if(p->fp==NULL)
return(JS_TRUE);
if((cp=js_sprintf(cx, 0, argc, argv))==NULL) {
JS_ReportError(cx,"js_sprintf failed");
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, INT_TO_JSVAL(fwrite(cp,1,strlen(cp),p->fp)));
JS_RESUMEREQUEST(cx, rc);
js_sprintf_free(cp);
/* File Object Properties */
,FILE_PROP_MODE
,FILE_PROP_ETX
,FILE_PROP_EXISTS
,FILE_PROP_DATE
,FILE_PROP_IS_OPEN
,FILE_PROP_EOF
,FILE_PROP_ERROR
,FILE_PROP_DEBUG
,FILE_PROP_POSITION
,FILE_PROP_LENGTH
,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
/* ini style */
,FILE_INI_KEY_LEN
,FILE_INI_KEY_PREFIX
,FILE_INI_SECTION_SEPARATOR
,FILE_INI_VALUE_SEPARATOR
,FILE_INI_BIT_SEPARATOR
,FILE_INI_LITERAL_SEPARATOR
static JSBool js_file_set(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
jsval idval;
int32 i=0;
jsint tiny;
private_t* p;
char* str = NULL;
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL) {
JS_ReportError(cx,getprivate_failure,WHERE);
JS_IdToValue(cx, id, &idval);
tiny = JSVAL_TO_INT(idval);
rc=JS_SUSPENDREQUEST(cx);
dbprintf(FALSE, p, "setting property %d",tiny);
JS_RESUMEREQUEST(cx, rc);
switch(tiny) {
case FILE_PROP_DEBUG:
JS_ValueToBoolean(cx,*vp,&(p->debug));
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);
rc=JS_SUSPENDREQUEST(cx);
fseek(p->fp,i,SEEK_SET);
JS_RESUMEREQUEST(cx, rc);
}
case FILE_PROP_DATE:
if(!JS_ValueToInt32(cx,*vp,&i))
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
setfdate(p->name,i);
JS_RESUMEREQUEST(cx, rc);
break;
if(p->fp!=NULL) {
if(!JS_ValueToInt32(cx,*vp,&i))
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
chsize(fileno(p->fp),i);
JS_RESUMEREQUEST(cx, rc);
}
break;
case FILE_PROP_ATTRIBUTES:
if(!JS_ValueToInt32(cx,*vp,&i))
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
CHMOD(p->name,i);
JS_RESUMEREQUEST(cx, rc);
if(!JS_ValueToInt32(cx,*vp,&i))
return(JS_FALSE);
p->etx = (uchar)i;
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case FILE_INI_KEY_LEN:
if(!JS_ValueToInt32(cx,*vp,&i))
return(JS_FALSE);
p->ini_style.key_len = i;
break;
case FILE_INI_KEY_PREFIX:
JSVALUE_TO_MSTRING(cx, *vp, str, NULL);
HANDLE_PENDING(cx, str);
p->ini_style.key_prefix = str;
break;
case FILE_INI_SECTION_SEPARATOR:
JSVALUE_TO_MSTRING(cx, *vp, str, NULL);
HANDLE_PENDING(cx, str);
p->ini_style.section_separator = str;
break;
case FILE_INI_VALUE_SEPARATOR:
JSVALUE_TO_MSTRING(cx, *vp, str, NULL);
HANDLE_PENDING(cx, str);
p->ini_style.value_separator = str;
break;
case FILE_INI_BIT_SEPARATOR:
JSVALUE_TO_MSTRING(cx, *vp, str, NULL);
HANDLE_PENDING(cx, str);
p->ini_style.bit_separator = str;
break;
case FILE_INI_LITERAL_SEPARATOR:
JSVALUE_TO_MSTRING(cx, *vp, str, NULL);
HANDLE_PENDING(cx, str);
p->ini_style.literal_separator = str;
break;
}
return(JS_TRUE);
}
static JSBool js_file_get(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
jsval idval;
char str[128];
size_t i;
size_t rd;
off_t offset;
ulong sum=0;
ushort c16=0;
ulong c32=~0;
MD5 md5_ctx;
BYTE block[4096];
BYTE digest[MD5_DIGEST_SIZE];
JSString* js_str=NULL;
off_t lng;
if((p=(private_t*)JS_GetPrivate(cx,obj))==NULL)
JS_IdToValue(cx, id, &idval);
tiny = JSVAL_TO_INT(idval);
switch(tiny) {
case FILE_PROP_NAME:
break;
case FILE_PROP_MODE:
break;
case FILE_PROP_EXISTS:
if(p->fp) /* open? */
*vp = JSVAL_TRUE;
rc=JS_SUSPENDREQUEST(cx);
*vp = BOOLEAN_TO_JSVAL(fexistcase(p->name));
JS_RESUMEREQUEST(cx, rc);
break;
case FILE_PROP_DATE:
rc=JS_SUSPENDREQUEST(cx);
JS_RESUMEREQUEST(cx, rc);
*vp=DOUBLE_TO_JSVAL((double)tt);
break;
case FILE_PROP_IS_OPEN:
*vp = BOOLEAN_TO_JSVAL(p->fp!=NULL);
break;
case FILE_PROP_EOF:
rc=JS_SUSPENDREQUEST(cx);
*vp = BOOLEAN_TO_JSVAL(feof(p->fp)!=0);
JS_RESUMEREQUEST(cx, rc);
else
*vp = JSVAL_TRUE;
break;
case FILE_PROP_ERROR:
rc=JS_SUSPENDREQUEST(cx);
*vp = INT_TO_JSVAL(ferror(p->fp));
JS_RESUMEREQUEST(cx, rc);
else
*vp = INT_TO_JSVAL(errno);
break;
case FILE_PROP_POSITION:
rc=JS_SUSPENDREQUEST(cx);
JS_RESUMEREQUEST(cx, rc);
*vp=DOUBLE_TO_JSVAL((double)lng);
else
*vp = INT_TO_JSVAL(-1);
break;
case FILE_PROP_LENGTH:
rc=JS_SUSPENDREQUEST(cx);
JS_RESUMEREQUEST(cx, rc);
*vp=DOUBLE_TO_JSVAL((double)lng);
break;
case FILE_PROP_ATTRIBUTES:
rc=JS_SUSPENDREQUEST(cx);
JS_RESUMEREQUEST(cx, rc);
*vp=INT_TO_JSVAL(in);
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);
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);
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;
rc=JS_SUSPENDREQUEST(cx);
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;
}
}
JS_RESUMEREQUEST(cx, rc);
/* finalize */
switch(tiny) {
case FILE_PROP_CHKSUM:
*vp=DOUBLE_TO_JSVAL((double)sum);
break;
case FILE_PROP_CRC16:
*vp=UINT_TO_JSVAL(c16);
break;
case FILE_PROP_CRC32:
break;
case FILE_PROP_MD5_HEX:
case FILE_PROP_MD5_B64:
MD5_close(&md5_ctx,digest);
if(tiny==FILE_PROP_MD5_HEX)
js_str=JS_NewStringCopyZ(cx, str);
break;
}
rc=JS_SUSPENDREQUEST(cx);
fseek(p->fp,offset,SEEK_SET); /* restore saved file position */
JS_RESUMEREQUEST(cx, rc);
if(js_str!=NULL)
*vp = STRING_TO_JSVAL(js_str);
break;
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case FILE_INI_KEY_LEN:
*vp = INT_TO_JSVAL(p->ini_style.key_len);
break;
case FILE_INI_KEY_PREFIX:
s = p->ini_style.key_prefix;
break;
case FILE_INI_SECTION_SEPARATOR:
s = p->ini_style.section_separator;
break;
case FILE_INI_VALUE_SEPARATOR:
s = p->ini_style.value_separator;
break;
case FILE_INI_BIT_SEPARATOR:
s = p->ini_style.bit_separator;
break;
case FILE_INI_LITERAL_SEPARATOR:
s = p->ini_style.literal_separator;
break;
}
if(s != NULL) {
if((js_str = JS_NewStringCopyZ(cx, s)) == NULL)
return JS_FALSE;
*vp = STRING_TO_JSVAL(js_str);
}
#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},
{ "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},
/* ini style elements */
{ "ini_key_len" ,FILE_INI_KEY_LEN ,JSPROP_ENUMERATE, 317},
{ "ini_key_prefix" ,FILE_INI_KEY_PREFIX ,JSPROP_ENUMERATE, 317},
{ "ini_section_separator" ,FILE_INI_SECTION_SEPARATOR ,JSPROP_ENUMERATE, 317},
{ "ini_value_separator" ,FILE_INI_VALUE_SEPARATOR ,JSPROP_ENUMERATE, 317},
{ "ini_bit_separator" ,FILE_INI_BIT_SEPARATOR ,JSPROP_ENUMERATE, 317},
{ "ini_literal_separator" ,FILE_INI_LITERAL_SEPARATOR ,JSPROP_ENUMERATE, 317},
#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 is open or exists (case-insensitive) - <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 <i>clear_error</i> 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>"
,"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 translation 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>"
,"ini style: minimum key length (for left-justified white-space padded keys)"
,"ini style: key prefix (e.g. ' ', or '\t')"
,"ini style: section separator (e.g. '\n')"
,"ini style: value separator (e.g. '=' or ' = ')"
,"ini style: bit separator (e.g. '|' or ' | ')"
,"ini style: literal separator (e.g. ':' or ' : ')"
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>x </tt> open a <i>non-shareable</i> file (that must not already exist) for <i>exclusive</i> access <i>(introduced in v3.17)</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 "
"(e.g. updating an <tt>.ini</tt> file) "
"use the <i>exists</i> property like so:<br>"
"<tt>file.open(file.exists ? 'r+':'w+');</tt>"
"<br><b>Note:</b> When <i>shareable</i> is false, uses nopen() which will lock the file "
"and perform automatic retries. The lock mode is as follows:<br>"
"<tt>r </tt> DENYWRITE - Allows other scripts to open the file for reading, but not for writing.<br>"
"<tt>w </tt> DENYALL - Does not allow other scripts to open the file when <i>shareable</i> is set to true<br>"
"<tt>a </tt> DENYALL - Does not allow other scripts to open the file when <i>shareable</i> is set to true<br>"
"<tt>r+</tt> DENYALL - Does not allow other scripts to open the file when <i>shareable</i> is set to true<br>"
"<tt>w+</tt> DENYALL - Does not allow other scripts to open the file when <i>shareable</i> is set to true<br>"
"<tt>a+</tt> DENYALL - Does not allow other scripts to open the file when <i>shareable</i> is set to true<br>"
"When <i>shareable</i> is true uses fopen(), "
"and will only attempt to open the file once and will perform no locking. The behavior "
"when one script has a file opened with <i>shareable</i> set to a different value than is used "
"with a new call is OS specific. On Windows, the second open will always fail and on *nix, "
"the second open will always succeed.<br>"
,310
{"popen", js_popen, 1, JSTYPE_BOOLEAN, JSDOCSTR("[mode=<tt>\"r+\"</tt>] [,buffer_length]")
,JSDOCSTR("open pipe to command, <i>buffer_length</i> defaults to 2048 bytes, "
"mode (default: <tt>'r+'</tt>) specifies the type of access requested for the file, as follows:<br>"
"<tt>r </tt> read the programs stdout;<br>"
"<tt>w </tt> write to the programs stdin<br>"
"<tt>r+</tt> open for both reading stdout and writing stdin<br>"
"(<b>only functional on UNIX systems</b>)"
)
{"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("")
,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")
{"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> [,count=<tt>1</tt>]")
,JSDOCSTR("read one or more binary integers from the file, default number of <i>bytes</i> is 4 (32-bits). "
"if count is not equal to 1, an array is returned (even if no integers were read)")
,310
{"readAll", js_readall, 0, JSTYPE_ARRAY, JSDOCSTR("[maxlen=<tt>512</tt>]")
,JSDOCSTR("read all lines into an array of strings, <i>maxlen</i> defaults to 512 characters")
,310
{"raw_read", js_raw_read, 0, JSTYPE_STRING, JSDOCSTR("[maxlen=<i>1</i>]")
,JSDOCSTR("read a string from underlying file descriptor. "
"Undefined results when mixed with any other read/write methods except raw_write, including indirect ones. "
"<i>maxlen</i> defaults to one")
,317
},
{"raw_pollin", js_raw_pollin, 0, JSTYPE_BOOLEAN, JSDOCSTR("[timeout]")
,JSDOCSTR("waits up to <i>timeout</i> milliseconds (or forever if timeout is not specified) for data to be available "
"via raw_read().")
,317
},
{"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). "
"If the specified <i>length</i> is longer than the <i>text</i>, the remaining length will be written as NUL bytes.")
,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(s) [,bytes=<tt>4</tt>]")
,JSDOCSTR("write one or more binary integers to the file, default number of <i>bytes</i> is 4 (32-bits)."
"If value is an array, writes the entire array to the file.")
,310
{"writeAll", js_writeall, 0, JSTYPE_BOOLEAN, JSDOCSTR("array lines")
,JSDOCSTR("write an array of strings to file")
,310
{"raw_write", js_raw_write, 1, JSTYPE_BOOLEAN, JSDOCSTR("text")
,JSDOCSTR("write a string to the underlying file descriptor. "
"Undefined results when mixed with any other read/write methods except raw_read, including indirect ones.")
,317
},
{"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.")
},
{"iniRemoveSection",js_iniRemoveSection,1, JSTYPE_BOOLEAN, JSDOCSTR("section")
,JSDOCSTR("remove specified <i>section</i> from <tt>.ini</tt> file.")
/* 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_AND_NULL(p->ini_style.key_prefix);
FREE_AND_NULL(p->ini_style.section_separator);
FREE_AND_NULL(p->ini_style.value_separator);
FREE_AND_NULL(p->ini_style.bit_separator);
FREE_AND_NULL(p->ini_style.literal_separator);
free(p);
JS_SetPrivate(cx, obj, NULL);
}
static JSBool js_file_resolve(JSContext *cx, JSObject *obj, jsid id)
if(id != JSID_VOID && id != JSID_EMPTY) {
jsval idval;
if(JSVAL_IS_STRING(idval))
JSSTRING_TO_MSTRING(cx, JSVAL_TO_STRING(idval), name, NULL);
ret=js_SyncResolve(cx, obj, name, js_file_properties, js_file_functions, NULL, 0);
if(name)
free(name);
return ret;
}
static JSBool js_file_enumerate(JSContext *cx, JSObject *obj)
{
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_file_enumerate /* enumerate */
,js_file_resolve /* resolve */
,JS_ConvertStub /* convert */
,js_finalize_file /* finalize */
};
/* File Constructor (creates file descriptor) */
static JSBool
js_file_constructor(JSContext *cx, uintN argc, jsval *arglist)
{
JSObject *obj=JS_THIS_OBJECT(cx, arglist);
jsval *argv=JS_ARGV(cx, arglist);
JSString* str;
private_t* p;
obj=JS_NewObject(cx, &js_file_class, NULL, NULL);
JS_SET_RVAL(cx, arglist, OBJECT_TO_JSVAL(obj));
if((str = JS_ValueToString(cx, argv[0]))==NULL) {
JS_ReportError(cx,"No filename specified");
return(JS_FALSE);
}
if((p=(private_t*)calloc(1,sizeof(private_t)))==NULL) {
JS_ReportError(cx,"calloc failed");
return(JS_FALSE);
}
JSSTRING_TO_STRBUF(cx, str, p->name, sizeof(p->name), NULL);
if(!JS_SetPrivate(cx, obj, p)) {
dbprintf(TRUE, p, "JS_SetPrivate 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)
{
obj = 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 */
}
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);