mirror of https://github.com/lalbornoz/roar.git
135 lines
3.6 KiB
JavaScript
135 lines
3.6 KiB
JavaScript
function Lex (x,y) {
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if (typeof x == "number") {
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this.y = y
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this.x = x
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this.span = document.createElement("span")
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}
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else {
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this.span = x
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}
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this.fg = colors.white
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this.bg = colors.black
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this.char = " "
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this.opacity = 1
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this.focused = false
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}
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Lex.prototype.build = function(){
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if (isNaN(this.bg) || this.bg == Infinity || this.bg == -Infinity) this.bg = colors.black
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if (isNaN(this.fg) || this.fg == Infinity || this.fg == -Infinity) this.fg = colors.black
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this.span.className = this.css()
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this.span.innerHTML = this.html()
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}
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Lex.prototype.css = function(){
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return (
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this.focused ?
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"focused " : ""
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) + (
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this.opacity === 0 ?
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"transparent f" + color_alphabet[modi(this.fg,16)] :
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"f" + color_alphabet[modi(this.fg,16)] + " b" + color_alphabet[modi(this.bg,16)]
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)
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}
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Lex.prototype.html = function(){
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return this.char == " " ? " " : this.char || " "
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}
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Lex.prototype.read = function(){
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this.char = this.span.innerHTML
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return this.char
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}
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Lex.prototype.ascii = function(){
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return this.char || " "
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}
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Lex.prototype.sanitize = function(){
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switch (this.char) {
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// case "%": return "%"
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case undefined:
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case "": return " "
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default: return this.char
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}
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}
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Lex.prototype.mirc = function(bg_, fg_){
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var char = this.char || " "
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var charIsNaN = isNaN(parseInt(char))
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if ((bg_ == this.fg) && (fg_ == this.bg)) {
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bg_ = this.bg; fg_ = this.fg
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return [bg_, fg_, "\x16" + char]
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} else if ((bg_ != this.bg) && (fg_ == this.fg)) {
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bg_ = this.bg
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return [bg_, fg_, "\x03," + ((this.bg&15) < 10 && !charIsNaN ? "0" : "") + (this.bg&15) + char]
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} else if ((bg_ == this.bg) && (fg_ != this.fg)) {
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fg_ = this.fg
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return [bg_, fg_, "\x03" + ((this.fg&15) < 10 && !charIsNaN ? "0" : "") + (this.fg&15) + char]
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} else {
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bg_ = this.bg; fg_ = this.fg
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return [bg_, fg_, "\x03" + (this.fg&15) + "," + ((this.bg&15) < 10 && !charIsNaN ? "0" : "") + (this.bg&15) + char]
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}
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}
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Lex.prototype.assign = function (lex){
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this.fg = lex.fg
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this.bg = lex.bg
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this.char = lex.char
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this.opacity = lex.opacity
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this.build()
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}
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Lex.prototype.stamp = function (lex, brush){
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if (brush.draw_fg) this.fg = lex.fg
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if (brush.draw_bg && lex.opacity > 0) this.bg = lex.bg
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if (brush.draw_char) this.char = lex.char
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this.opacity = 1
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this.build()
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}
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Lex.prototype.clone = function () {
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var lex = new Lex (0,0)
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lex.assign(this)
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return lex
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}
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Lex.prototype.erase = function (){
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this.fg = fillColor
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this.bg = fillColor
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this.char = " "
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this.opacity = 1
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this.build()
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}
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Lex.prototype.eq = function(lex){
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return lex && this.fg == lex.fg && this.bg == lex.bg && this.char == lex.char
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}
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Lex.prototype.eqColor = function(lex){
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return lex && this.fg == lex.fg && this.bg == lex.bg
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}
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Lex.prototype.ne = function(lex){
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return ! this.eq(lex)
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}
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Lex.prototype.clear = function(){
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this.bg = colors.black
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this.fg = 0
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this.char = " "
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this.opacity = 0
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this.build()
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}
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Lex.prototype.isClear = function(){
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return this.bg == 1 && this.fg == 0 && this.char == " "
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}
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Lex.prototype.focus = function(){
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if (focused) focused.blur()
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this.span.classList.add('focused')
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this.focused = true
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focused = this
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}
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Lex.prototype.blur = function(){
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focused = null
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this.span && this.span.classList.remove('focused')
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this.focused = false
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this.onBlur && this.onBlur()
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}
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Lex.prototype.demolish = function(){
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if (this.span.parentNode) { this.span.parentNode.removeChild(this.span) }
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this.span = null
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}
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Lex.prototype.key = function(char, keyCode) {
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if (! char) { return }
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this.char = char
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this.fg = brush.fg
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this.build()
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return true
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}
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