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Archive version of: rebol-dom.r ... version: 44 ... inetw3dm 30-Apr

Amendment note: First stable release as ver. 0.9. Roadmap: DOM functions, methods, evaluating control functions || Publicly available? Yes

    	File: %rebol-dom.r
    	Date: 02-11-2020
    	Title: "Dialect Object Model"
        author: daniel murrill
    	Purpose: {
             Use a recodable rebol function to create easy to follow blocks/series as 
             a Dialect Object Model  that allow different program languages to work together
             and viewed as HTML and VID. A parse alternative}

library: [
        author: daniel murrill
    	level: 'intermediate
        platform: 'all
        type: Dialect
        domain: [html vid css json js array]
        tested-under: 'windows
        support: none
        license: none
        see-also: %Mdlparser.r

my-dialect: [
lua-tbl = {[first] = "fred", [last] = "cougar"} 
#this-issue [{color: "purple" bgcolor: "orange"}]

var anObj = { 100: 'a', 2: 'b', 7: 'c', };

body: [{background-color="blue" text "white"} ]

p: [
    { "color":"#0000ff", "bgcolor":"yellow", "width" : "399", "height" : "100" "font-styles": "big" } 
 This is an example of an Dialect Oject Model
b: [
    {color = "Chocolate" bgcolor = "yellow"} 
 that can be written to look like json' html' javascript arrays' css'  
i: [
    {color = "green"} 
 VID' or plain old rebol ] 
 if you like.

hr: [{color="red" bgcolor="yellow"}]

div: [
    {width="399" bgcolor="orange"}  
b: [
    {color: "purple" bgcolor: "orange"} 
 Maybe it would be easier to write  
i: [
    {color: "green"}
 MakeDoc.r code but the purpose of this rebol DOM is']  

p: [
    {width "399" height= 200 
    style="color: red;  bgcolor: brown; border: 2x2;" 
b: [     
 to read or load as many well known dialects of coding styles as possible
 and write all of it as a single or seperate legible rebol series that's
 quickly manipulated' transcoded as html' and viewed as a VID. ]


document.: func [request-as][
		DOM: head DOM use*=*to-set-values styles: "" 
		any [equal? block! type? data-node data-node: node: reduce [to-block data-node]]
		either equal? tag! type? data-node/1 [node-element: data-node/1
		node-element: data-node/1: build-tag to-block first parent-node: data-node
		var .style: = node-element style: :array-obj! .style: :array-obj!
        return node-element
return-tag-node: does [=: :equal? 
		any [equal? block! type? data-node data-node: node: reduce [to-block strip-obj-chars-from data-node]]
		any [equal? tag! type? node-element: data-node/1 attempt [
		replace/all node-element [=] [] 
		node-element: data-node/1: build-tag to-block node-element]
.style: []
equal?: :=
DOM: DSL: html: window: end-tag: ""
data-node: parent-node: node: none

.body: .hr: .p: .b: .i: .tr: .ul: .li: .table: .td: .button: .input: .div: .font: .span: 0
node-obj: node-element: node-name: *name: use-methods: attr-name: attr-value: none

check: func [select-this][return first parse select-this none]
strip-chars-from: func [node-name][
            foreach char elemt-chars: ["{" "}" "(" ")" "/" "." "[" "]" "," ":" ";" "," "=" { " }
            replace/all node-name char " "

strip-obj-chars-from: func [node-name][
            trim node-name if equal? #"^"" node-name/1 [remove node-name]
            foreach [-char +char] obj-chars: [#"^/" " " 
            "," "" {" : "} {: "} {":"} {: "} {":} {:} {" "} {" } { " } "" 
            "[" "" "]" "" {""} {"} {  "} "" ":" "" { =} {=} {=} " " "'" ""
            replace/all node-name -char +char

getnodename: func [node-name][
        DOM: head DOM styles: "" =: :equal?
		either block! = type? node-name [
		insert/only data-node: [] node-name 
		any [attempt [node-element: data-node/1: build-tag data-node/1] node-element: data-node/1]
		node-name: to block! strip-chars-from form node-name
		count: any [attempt [count: pick find node-name integer! 1]1]
		nodename: to-word join  "." array-obj!: node-name/1 
		any [repeat ? count [data-node: first DOM: next node: find DOM nodename]
		print reduce ["node-name:" mold form node-name/1 "not found"]
		slf*: join node-name/1 count
		return either tag! = type? data-node/1 [node-element: data-node/1][node-element: data-node] 

setnodename: func [old-name new-name][
		any [equal? this-name: check strip-chars-from old-name check node-element getnodename old-name]
		any [equal? none not find node-element new-name try [
		replace node-element to string! this-name new-name 
		replace data-node to-tag join "/" this-name  to-tag join "/" new-name] 
getattribute: func [attr-name][
			attr-value: none
			do compose/deep [attr-value: array-obj![(attr-name)]]
			print any [[attr-name attr-value] ["node-attribute:" mold form attr-name "not found"]

setattribute: func [attr-name new-attr][
            *key: *value: none
            do compose/deep [.style[(form attr-name)]]
            any [
            if *value [replace node-element attr-name new-attr]
            .style[repend [" " new-attr {="undefined"}]""]
            print ["Must get a parent-node with this attribute: " attr-name]]
			;get-attributes node-element attempt [set-attributes]

setattributevalue: func [attr-name attr-value][
            any [
            if find node-element key: form attr-name [
            do compose/deep [.style[(key)] `= (attr-value)]]	
			array-obj![repend [" " attr-name {="} attr-value {"}]""]
			print ["Must get a parent-node with this attribute: " attr-name]
			] ;get-attributes node-element attempt [set-attributes]

getElementByTagName: func [Tag-Name selection [block!]][
            dom: head dom 
            repeat this first selection [
            node-element: first data-node: first dom: next find dom to-word join "." Tag-Name]
            if [use-methods and not find node-element " ." ][use-attr-as-methods yes]
            use-methods: off        

getElementById: func [my-id][
			my-id: "" id: copy join "id=*" form my-id 
			repeat in-parent-node dom [
		if all [equal? block! type? in-parent-node find/any in-parent-node/1 id]
			[print mold in-parent-node/1
			foreach in-child-node in-parent-node [
		if all [equal? block! type? in-child-node find/any in-child-node/1 id]
			[print mold in-child-node/1
			foreach in-sibling in-child-node [
		if all [equal? block! type? in-sibling find/any in-sibling/1 id]
			[print mold in-sibling/1]]]

querySelecter: func [css-Selecter][
			repeat in-parent-node dom [
		if all [equal? block! type? in-parent-node find/any in-parent-node/1 rejoin ["=*" css-Selecter]]
			[print mold in-parent-node/1
			foreach in-child-node in-parent-node [
		if all [equal? block! type? in-child-node find/any in-child-node/1 rejoin ["=*" css-Selecter]]
			[print mold in-child-node/1
			foreach in-sibling in-child-node [
		if all [equal? block! type? in-sibling find/any in-sibling/1 rejoin ["=*" css-Selecter]]
			[print mold in-sibling/1]]]

.innerHTML: func [element][
			children: copy/part next data-node find/last data-node tag!
			either equal? tag! type? node-element [
			any [empty? element replace data-node children element]
			][print "The node-element has no innerHTML"]

use*=*to-set-values: does [=: func [value][any [value]]]

use-attr-as-methods: func [maybe [logic!]][
            if maybe [foreach [-char +char][{" } {" .} ".." "."][replace/all node-element -char +char]
            replace node-element " " " ."
            use-methods: yes

node-list: []   

*!: func [var][set to-word check form node-element none set to-set-word form var :array-obj!]

var: func [var-data][node-element:  variable: "" node-name: :variable
			any [
			attempt [variable: first parse node-element: var-data "=:, "]
			attempt [if equal? block! type? var-data [variable: first node-element: var-data]] 
			attempt [variable: var-data node-element: ""]
			use*=*to-set-values variable: to-string variable
			any [
			not empty? node-element any [find node-list variable append node-list reduce 
            [variable node-element: any [attempt [do :variable] " "]]]] 
            any [equal? tag! type? node-element append node-list reduce [form variable node-element]] 
            set to-word variable array-obj!: func [key [block! word! string!]] node: compose/deep copy get-array-obj!
			attempt [if not find variable "." [do load to-string reduce ["set " #"'" variable ". :array-obj!"]]]
			use-methods: off

get-array-obj!: [
			if not equal? tag! type? node-element [node-element: select node-list  
            (form variable) ] if formed: find/any node-element {style*"} [
			replace node-element formed replace formed {"} " "] 
			any [
            if empty? form key [ 
            return any [
            if equal? tag! type? node-element [node-element]
			attempt [trim next find/tail node-element first parse node-element ":= ,"]
            next node-element]
            attempt [*value: first this: next find parse strip-obj-chars-from copy node-element "=; " *key: form key]  
            attempt [*value: select node-element *key: key] 
            attempt [do head insert next copy key [node-element join]] 
            attempt [do form key] 
			if not find node-element key [none]] ;[print [*key "called"]]

arr=: `=: func[value][
			equal: :=  any [
			replace node-element form *value form value
			replace node-element mold form *value mold value
			replace node-element {=""} join "=" mold value
			replace node-element *value value
			replace/all node-element {""} ""

node-element: *node-name: *name: array-obj!: key: *key: *value: ""

markup-DOM: func [DSL][DOM: DSL
        either block! = this-type?: type? DSL [
            either find DSL [rebol-DOM: [{DSL-type="html/block" type="text/html"}]] [DOM: copy/deep DSL]
            [insert DSL [rebol-DOM: [{DSL-type="html/block" type="text/html"}]]
            DOM: copy/deep DSL: load replace/all mold DSL "__" " "
get-data: func [data][  
        find-end-tag: find data get-word!
            either find-end-tag [
            replace data first find-end-tag  to-tag mold to-refinement first find-end-tag
			insert tail data to-tag join "/" any [*name *node-name]
repeat in-data data [cnt: 0
        if set-word! = type? in-data [*node-name: copy form in-data
            replace data in-data node-name: to-word join "." *node-name
        if string! = type? in-data [
            strip-obj-chars-from in-data 
            insert in-data next reform [node-name " "]
            child: build-tag to-block in-data 
            ;foreach [a b][" " " ."][replace/all child a b]
            replace data in-data child
        if block! = type? in-data [
            set to-word join *node-name cnt: cnt + 1 in-data
            get-next in-data

get-next: func [in-data][
    repeat data in-data [
        if set-word! = type? data [*name: copy form data
            replace in-data data node-name: to-word join "." *name
        if string! = type? data [
            strip-obj-chars-from data  
            insert data next reform [node-name " "]
            child: build-tag to-block data 
            ;foreach [a b][" " " ."][replace/all child a b]
            replace in-data data child
        if block! = type? data [get-data data
            set to-word *node-name data]
        ] find-end-tag: find in-data get-word!
            either find-end-tag[
            replace in-data first find-end-tag  to-tag mold to-refinement first find-end-tag
			insert tail in-data to-tag join "/" any [*node-name *name]
            clear *node-name]


repeat with-this-data DSL [
        if issue! = type? with-this-data [
            node-name: to-word join "." *name: copy form with-this-data
        if set-word! = type? with-this-data [
            replace DSL with-this-data node-name: to-word join "." *name: copy form with-this-data
        if word! = type? with-this-data [
            either '= = with-this-data [string-is-data: yes replace DSL with-this-data ""
            *name: copy form with-this-data
            replace DSL with-this-data node-name: to-word join "." with-this-data] 
            replace DSL reduce [node-name node-name] node-name
        if string! = type? with-this-data [
            either string-is-data [
			replace DSL with-this-data join node-name with-this-data
            created-data: copy with-this-data
            strip-obj-chars-from created-data  
            insert created-data reduce [node-name " "]
            child: build-tag to-block remove created-data 
            ;foreach [a b][" " " ."][replace/all child a b]
            replace DSL with-this-data child
            string-is-data: no
        if block! = type? with-this-data [ 
            get-data with-this-data
        if get-word! = type? with-this-data [
            replace DSL with-this-data to-tag mold to-refinement *name
           alert "Need a Dialect Object Model as type! block"
        replace/all dsl "" [] DOM: copy DSL

return-html-dsl: does [
        html: copy form any [find head DOM "<body" head DOM]    
        replace/all replace/all html "<." "<" "' " ", "
        replace/all replace/all html "{" "<" "}" ">" 
        foreach n-name [
                        ".body " ".hr " ".p " ".b " ".i " ".? " 
                        ".tr " ".table " ".td " ".button " ".input "
                        ".div " ".ul " ".li " ".font " ".span "
                        ".img " ".a " ".strong " " ." ".hr " "lua-tbl "
                        ][replace/all html n-name " "
        append replace/all html </body> "" </body>
        html: any [find html "<body" html]

An example of how to use the DOM functions follows. The syntax hopefully should be easy to follow being that it
resembles how you would use javascript with the HTML,XML DOM. 

It's just a little bit different, why not just make it the same?

Were not scripting against a DOM, (a Documents  Object Modle) but a DOM, (a Dialect Object Modle) because 
you may not actually know the syntax of the loaded document or data before it's transcode to a DOM from a DSL.

Plus Rebol wont let you too far off the hook in writing code any way you like. Some *op Words and  code/data 
has set types that follow a strict syntax. I think the best way around this is to load as type? string!, reformat 
and parse as type? block!. Maybe.....

These DOM functions should work very close to the HTML DOM functions:

getElementsByTagName .getAttribute .setAttribute 

markup-DOM my-dialect
document. getnodename {"div"[1]}getattribute "bgcolor"  
document. getnodename{("p")[2]} .style[width] `= "block-build"

setattributevalue('height) "1000"

    getattribute "height"

setnodename {hr[1]} "listview"

document. getnodename{("p")[1]}.style[font-styles] `= "block-build"

data-node: do to-path [DOM .p .b] 

document.(data-node).style[color] `= "bluberry" 

    setattribute('i-style) "silly" 

; Some examples of selecting keys and values set to variables as an array object.
; good to use with anything that's structured with {} , or "". It also can be used with [].
;IE (javascript, json objects/arrays.. lua table/arrays.. associative arrays etc.) 
;even DOM's and rebol data.

;The insert, remove, append, and lookup of a group (a node-element) by way of a Var (variable)
;is done as a data-node and syntactically as an associative array. The associattion of key 
;values is done by index in Rebol therefore there is no need for the overhead of objects or 
;multi.dim arrays. But the cool part is you can do what ever you like!

;You must use use*=*to-set-values before setting the first variable.
;it will use = to set any value to a variable (a set-word) 
;`= this literal equal is used to set values to keys. Feel free to use
;different function symbols for any !op function.  


;variables and there values (node-elements) that are'nt tags are sent and fetched from a
;node-list block for demo purposes. They will be appended to the DOM later.

;The variable name and the first word in it's value must be the same in order for
;the variable to be automatically bound to the node-element and array-obj!() function.

var hello: = {hello 100:"a" 2: "two words" 7="c"}


hello[2] `= "a to z"


;insert dots, "." to keys to be used as methods to get and set values.
;the to-methods function not created yet.sorry!.dot.

use-methods: yes  

var app: = document.(getElementByTagName('p)[2]).style[bgcolor]`="green"
    .innerHTML("Lets change this, shall we.")

;You must call/associate the array-obj! with this variable name
;because the variable name "app" and the node-name/TagName "p"
;are not the same.


;or app: :array-obj!

;the style.obj! is auto created by using the document. function


;is the same as calling, but without the cell(block) this time. 

app 'bgcolor

;Write values however. they are handled by the get-array-obj! as any-type.


app[.width] `= "curly quew"

app ('bgcolor) `= to-string [{'}purple']

;when you need to create a variable to use with an array-obj!

poppy: {100:"a" street : "backside" 7="c"}

var 'poppy ;local or global hoisting: must move to head.
head poppy[] 

var join {poppy2 } {200:"a" street : "backside" 7="c"}

;you don't need a set-word! variable. It will always be the first
;word followed by ": =", ": ", or " " found in the value (node-element)
;or a set word that has a value.
;you can access it with array-obj![]. But the value will change once
;a new VAR is created and you'll have to select it from the node-list.

poppy[street]`="old rover rd."

poppy[7] `= "cities"

;VAR values can also be set to an arrayed object.

var poppy2: = [poppy2 #100:"a" street: "backside" #7:"c"]

;Even though it's not the best idea to use integers as keys, you can.
;it can encourage mistakes when trying to get by index...  poppy2[3]
;But this is Rebol, so we will roll with this...
;You must always start cell number keys with the pound sign. "#"

poppy2[street:]`= "old rover rd."

poppy2[#7:]`= "cities"

;DOM variables are renamed to start with a dot "." so not to be confused with words.
;this will change in the future. All DOM Var's will be type! set-word!.

;Remember when calling a node-name and using that name as the variable,

var .anObj: = getnodename "anobj"

;you dont have to call/associate the array-obj! with this variable name
;but the variable name must began with a dot. IE "."


;but with 

var anObj: = getnodename "anobj" 

;you do

*![anObj]  ;or anObj: :array-obj!

;after calling some variable[key]/array-obj![key], you can replace the key and value.

replace replace node-element *key 'this-key *value {'some-value'}


var 'try-this 

try-this.[insert (add 50 50) ","]


try-this.[append ("new-value")","]

try-this[.innerHTML("change me please") ""]

;a roadmap for javascripting with the Dialect Object Model (DOM).

;A quick way to change op! functions between rebol and javascript.

js-op!: does [x: :* *: :do console.log: :print var 'use js-do: :js-op!] 
reb-op!: does [*: :x =: :equal? reb-do: :reb-op!]

;This code...

function welcomeSite() {
  siteMessage = "Welcome to the...";
  var siteMessage;

siteMessage.append("Rebolution") siteMessage

;Is changed to this code...


'function! welcomeSite: *{
     siteMessage: = "Welcome to the... ";
     Message-type: "Welcome"
     do reb-op! alert(siteMessage)
     var 'siteMessage;

;Hey you can load welcomeSite from a DOM or files with variables, functions, key-values or Rebol code:


;to use the welcomeSite Message-type in your code.

    var say-hi-to: = Message-type
    console.log(reduce ["This is a message to" say-hi-to "you."]);
siteMessage.[append("Rebolution.")#"^/"] siteMessage.[print]

var first-obj: = {first-obj: first-name: "Brigsby" last-name: "Backfort"}

var second-obj: = {second-obj: first-name: "Krystal" last-name: "Frontbunker"}

first-obj[last-name]`="FortBack"  first-obj[]

second-obj[last-name]`="Bunkerfront"  second-obj[]

Var contacts: = {Bestfriend: "[{"first": "Besty", "last": "Bestest", "number": 777-9211}]"}

;Does Var persist if not destroyed? YES.

;and then back to Rebol

reb-do 2 * 2