Stristr - Revision history

ObviousAltIsObvious Resident: tag to

2015-01-22T22:39:11Z

← Older revision		Revision as of 15:39, 22 January 2015
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	\|func_desc=Returns part of '''haystack''' string from the first occurrence of '''needle''' to the end of '''haystack'''.		\|func_desc=Returns part of '''haystack''' string from the first occurrence of '''needle''' to the end of '''haystack'''.
	\|func_footnote		\|func_footnote
	\|spec=<~~lsl~~>//Function created by Ugleh Ulrik		\|spec=<source lang="lsl2">//Function created by Ugleh Ulrik
	string stristr(string haystack, string needle, integer after_needle){		string stristr(string haystack, string needle, integer after_needle){
	if(haystack)		if(haystack)
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	return "";		return "";
	}		}
	</~~lsl~~>		</source>
	\|examples=		\|examples=
	This example uses its basic feature, to provide the content left, or right of the searched string.		This example uses its basic feature, to provide the content left, or right of the searched string.
	<~~lsl~~>default		<source lang="lsl2">default
	{		{
	touch_start(integer total_number)		touch_start(integer total_number)
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	llOwnerSay(mess);//outputs "Hello there, "		llOwnerSay(mess);//outputs "Hello there, "
	}		}
	}</~~lsl~~>		}</source>
	\|helpers		\|helpers
	\|notes		\|notes

Strife Onizuka at 06:00, 31 May 2010

2010-05-31T06:00:25Z

← Older revision		Revision as of 23:00, 30 May 2010
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	\|p1_type=string\|p1_name=haystack\|p1_desc=The input string		\|p1_type=string\|p1_name=haystack\|p1_desc=The input string
	\|p2_type=string\|p2_name=needle\|p2_desc=the search within		\|p2_type=string\|p2_name=needle\|p2_desc=the search within
	\|p3_type=integer\|p3_name=after_needle\|p3_desc=If TRUE, '''Stristr''' returns the part of the '''haystack''' after the first occurrence of the '''needle''', otherwise before first occurrence.		\|p3_type=integer\|p3_name=after_needle\|p3_desc=If [[TRUE]], '''Stristr''' returns the part of the '''haystack''' after the first occurrence of the '''needle''', otherwise before first occurrence.
	\|return_type=string		\|return_type=string
	\|return_text=containing the text from '''haystack''' that comes before or after '''needle'''.		\|return_text=containing the text from '''haystack''' that comes before or after '''needle'''.

Strife Onizuka: Streamlining, we test haystack so we can use negative indexes; the before_needle syntax seemed backwards: false is less than true, so false should describe what comes earlier in the string.

2010-05-31T05:59:52Z

Streamlining, we test haystack so we can use negative indexes; the before_needle syntax seemed backwards: false is less than true, so false should describe what comes earlier in the string.

← Older revision		Revision as of 22:59, 30 May 2010
Line 4:		Line 4:
	\|p1_type=string\|p1_name=haystack\|p1_desc=The input string		\|p1_type=string\|p1_name=haystack\|p1_desc=The input string
	\|p2_type=string\|p2_name=needle\|p2_desc=the search within		\|p2_type=string\|p2_name=needle\|p2_desc=the search within
	\|p3_type=integer\|p3_name=~~before_needle~~\|p3_desc=If TRUE, '''Stristr''' returns the part of the '''haystack''' ~~before~~ the first occurrence of the '''needle''', ~~else after~~ first occurrence.		\|p3_type=integer\|p3_name=after_needle\|p3_desc=If TRUE, '''Stristr''' returns the part of the '''haystack''' after the first occurrence of the '''needle''', otherwise before first occurrence.
	\|return_type=string		\|return_type=string
	\|return_text=from ~~the first occurrence of~~ '''~~needle~~''' ~~to the end of~~ '''~~haystack~~'''.		\|return_text=containing the text from '''haystack''' that comes before or after '''needle'''.
	\|func_desc=Returns part of '''haystack''' string from the first occurrence of '''needle''' to the end of '''haystack'''.		\|func_desc=Returns part of '''haystack''' string from the first occurrence of '''needle''' to the end of '''haystack'''.
	\|func_footnote~~=This function can also be used to determine if a line is in a string, If needle is not found it will return with a null string for [[if else]] statements.~~		\|func_footnote
	\|spec=<lsl>		\|spec=<lsl>//Function created by Ugleh Ulrik
	//Function created by Ugleh Ulrik		string stristr(string haystack, string needle, integer after_needle){
	string stristr(string haystack, string needle, integer ~~before_needle~~){		if(haystack)
	~~integer msl = llStringLength~~(haystack);		{//we have a haystack, it's not ""
	~~integer mi;~~		//Now find us a needle!
	~~list mlist;~~		integer pos = llSubStringIndex(haystack, needle);
	do//we ~~make~~ a ~~list out of the message to use ListFindList~~		if(~pos)
	~~mlist += [llGetSubString(~~haystack, ~~mi, mi)];~~		{//We have found a needle!
	~~while(msl>++mi);~~		if(after_needle)//return what comes after needle
	integer ~~ssl~~ = ~~llStringLength~~(needle);		return llGetSubString(haystack, pos + llStringLength(needle), -1);
	~~integer si;~~		return llDeleteSubString(haystack, pos, -1);
	~~list slist;~~		}
	do//~~we make~~ a ~~list out of the search to use ListFindList~~		}
	~~slist += [llGetSubString(~~needle~~, si, si)];~~		return "";
	~~while(ssl>++si);~~
	if (~~llListFindList(mlist,slist) == -1~~)//~~-1 means not found, so we~~ return ~~it as null~~
	~~return "";~~
	~~if(before_needle)~~
	return llGetSubString(haystack, ~~msl,~~ (~~(integer~~)~~llListFindList(mlist~~,~~slist)~~ - 1));
	return ~~llGetSubString~~(haystack, ~~((integer)llListFindList(mlist~~,~~slist) + ssl), msl~~);

	}		}
	</lsl>		</lsl>
	\|examples=		\|examples=
	This example uses its basic feature, to provide the content left, or right of the searched string.		This example uses its basic feature, to provide the content left, or right of the searched string.
	<lsl>		<lsl>default
	default
	{		{

	touch_start(integer total_number)		touch_start(integer total_number)
	{		{
	string source = "Hello there, Ugleh is my name!";		string source = "Hello there, Ugleh is my name!";
	string mess = stristr(source,"Ugleh",~~FALSE~~); //~~False~~ means after Needle		string mess = stristr(source,"Ugleh",TRUE); //True means after Needle
	llOwnerSay(mess);//outputs " is my name!"		llOwnerSay(mess);//outputs " is my name!"

	mess = stristr(source,"Ugleh",~~TRUE~~); //~~True~~ means before Needle.		mess = stristr(source,"Ugleh",FALSE); //False means before Needle.
	llOwnerSay(mess);//outputs "Hello there, "		llOwnerSay(mess);//outputs "Hello there, "

	}
	}

	~~</lsl>~~

	~~This uses the function to provide an if else statement~~
	~~<lsl>~~
	~~default~~
	{

	~~touch_start(integer total_number)~~
	{
	~~string source = "Ugleh was here";//change to "Strife was here" to get a different result~~
	~~string mess = stristr(source,"Ugleh",FALSE);~~
	~~llOwnerSay(mess);//outputs " is my name!"~~

	~~mess = stristr(source,"Strife",TRUE);~~
	~~if(mess)~~
	~~llSay(0, "Looks like Strife was here");~~
	~~else~~
	~~llSay(0, "Looks like Ugleh was here");~~


	}		}
	}		}</lsl>

	</lsl>
	\|helpers		\|helpers
	\|notes		\|notes
	\|also		\|also
	\|also_functions		\|also_functions=
			{{LSL DefineRow\|\|[[llSubStringIndex]]\|Find a string in another string}}
			{{LSL DefineRow\|\|[[llParseString2List]]\|Split a string up into a list}}
			{{LSL DefineRow\|\|[[llParseStringKeepNulls]]\|Like llParseString2List but it keeps empty strings}}
			{{LSL DefineRow\|\|[[llListFindList]]\|Like [[llSubStringIndex]] but for lists}}
	\|also_articles		\|also_articles
	\|cat1=Examples		\|cat1=Examples

Ugleh Ulrik: Created page with '{{LSL_Function |func=Stristr |mode=user |p1_type=string|p1_name=haystack|p1_desc=The input string |p2_type=string|p2_name=needle|p2_desc=the search within |p3_type=integer|p3_nam...'

2010-05-31T00:21:49Z

Created page with '{{LSL_Function |func=Stristr |mode=user |p1_type=string|p1_name=haystack|p1_desc=The input string |p2_type=string|p2_name=needle|p2_desc=the search within |p3_type=integer|p3_nam...'

New page

{{LSL_Function
|func=Stristr
|mode=user
|p1_type=string|p1_name=haystack|p1_desc=The input string
|p2_type=string|p2_name=needle|p2_desc=the search within
|p3_type=integer|p3_name=before_needle|p3_desc=If TRUE, '''Stristr''' returns the part of the '''haystack''' before the first occurrence of the '''needle''', else after first occurrence.
|return_type=string
|return_text=from the first occurrence of '''needle''' to the end of '''haystack'''.
|func_desc=Returns part of '''haystack''' string from the first occurrence of '''needle''' to the end of '''haystack'''.
|func_footnote=This function can also be used to determine if a line is in a string, If needle is not found it will return with a null string for [[if else]] statements.
|spec=<lsl>
//Function created by Ugleh Ulrik
string stristr(string haystack, string needle, integer before_needle){
integer msl = llStringLength(haystack);
integer mi;
list mlist;
do//we make a list out of the message to use ListFindList
mlist += [llGetSubString(haystack, mi, mi)];
while(msl>++mi);
integer ssl = llStringLength(needle);
integer si;
list slist;
do//we make a list out of the search to use ListFindList
slist += [llGetSubString(needle, si, si)];
while(ssl>++si);
if (llListFindList(mlist,slist) == -1)//-1 means not found, so we return it as null
return "";
if(before_needle)
return llGetSubString(haystack, msl, ((integer)llListFindList(mlist,slist) - 1));
return llGetSubString(haystack, ((integer)llListFindList(mlist,slist) + ssl), msl);

}
</lsl>
|examples=
This example uses its basic feature, to provide the content left, or right of the searched string.
<lsl>
default
{

touch_start(integer total_number)
{
string source = "Hello there, Ugleh is my name!";
string mess = stristr(source,"Ugleh",FALSE); //False means after Needle
llOwnerSay(mess);//outputs " is my name!"

mess = stristr(source,"Ugleh",TRUE); //True means before Needle.
llOwnerSay(mess);//outputs "Hello there, "

}
}

</lsl>

This uses the function to provide an if else statement
<lsl>
default
{

touch_start(integer total_number)
{
string source = "Ugleh was here";//change to "Strife was here" to get a different result
string mess = stristr(source,"Ugleh",FALSE);
llOwnerSay(mess);//outputs " is my name!"

mess = stristr(source,"Strife",TRUE);
if(mess)
llSay(0, "Looks like Strife was here");
else
llSay(0, "Looks like Ugleh was here");

}
}

</lsl>
|helpers
|notes
|also
|also_functions
|also_articles
|cat1=Examples
|cat2=User-Defined_Functions
|cat3
|cat4
}}