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whtml.js
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whtml.js
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function wrap(root_str,cfg) {
let html_tem=`
<html>
<head>
<style type="text/css">
body {
margin:0;
}
.root {
display:flex;
flex-direction:column;
justify-content:space-around;
align-items:center;
flex:1;
width:${cfg.root.attrib.style.width};
height:${cfg.root.attrib.style.height};
background-color:${cfg.root.attrib.style['background-color']};
}
.rows-container {
display:flex;
flex-direction:column;
justify-content:space-around;
align-items:center;
box-sizing:border-box;
}
.columns-container {
display:flex;
flex-direction:row;
justify-content:space-around;
align-items:center;
box-sizing:border-box;
}
.row {
width:100%;
}
.column {
height:100%;
}
.plain-leaf {
box-sizing:border-box;
height:100%;
width:100%;
}
.btn-leaf {
height:calc(100% - 2vw);
width:calc(100% - 2vw);
box-sizing:border-box;
border-radius:1vw;
border:solid 0.1vw #ffffff;
}
.border-leaf {
background-color:${cfg.root.attrib.style['background-color']};
height:calc(100% - 2vw);
width:calc(100% - 2vw);
box-sizing:border-box;
border-radius:1vw;
border:solid 0.1vw #ffffff;
}
.card-leaf {
background-color:${cfg.root.attrib.style['background-color']};
height:calc(100% - 2vw);
width:calc(100% - 2vw);
box-sizing:border-box;
border-radius:5px;
border:solid 2px #ffffff;
transition: 0.3s;
box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}
.img-leaf {
background-color:${cfg.root.attrib.style['background-color']};
height:calc(100% - 2vw);
width:calc(100% - 2vw);
box-sizing:border-box;
border-radius:5px;
border:solid 2px #ffffff;
transition: 0.3s;
box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
background-repeat: no-repeat;
background-position: center;
background-image:url('http://5b0988e595225.cdn.sohucs.com/images/20190204/ecf26954de514afe8c6992b66d446a25.jpeg');
}
.plain-img-leaf {
background-color:${cfg.root.attrib.style['background-color']};
height:100%;
width:100%;
box-sizing:border-box;
background-repeat: no-repeat;
background-position: center;
background-image:url('http://5b0988e595225.cdn.sohucs.com/images/20190204/ecf26954de514afe8c6992b66d446a25.jpeg');
}
</style>
</head>
<body>
${root_str}
</body>
</html>`
return(html_tem)
}
function is_stag(sedfs,i) {
let cond = (sedfs[i].$open_at === i)
return(cond)
}
function is_etag(sedfs,i) {
let cond = (sedfs[i].$close_at === i)
return(cond)
}
function creat_css_str(style,indent) {
let css = ""
for(let k in style) {
css = css+ indent + k+':'+style[k]+';' + '\n'
}
return(css)
}
function creat_attrib_str(attrib,indent) {
let s = ''
for(let k in attrib) {
if(k === 'style') {
let style_indent = ' ' + indent
s = s + style_indent + 'style="' + '\n'
s = s + creat_css_str(attrib['style'],style_indent+' ')
s = s + style_indent + '"' + '\n'
} else {
let attr_indent = ' ' + indent
s = s + attr_indent +k+'='+'"'+attrib[k].toString()+'"' + '\n'
}
}
return(s)
}
function calc_hw(cfg,nd) {
//计算非root 容器的 高宽
let p = nd.$parent()
let depth = nd.$depth()
let indent = ' '.repeat(depth+2)
if(p !== null ) {
let type = p.zone.type
if(type === 'col') {
return(['height','100%'])
} else {
return(['width','100%'])
}
} else {
let hwratio = (nd.zone.b - nd.zone.t + 1) / (nd.zone.b - nd.zone.t + 1)
return([])
}
}
function calc_flex(nd) {
//计算flex:? 的值
let p = nd.$parent()
if(p !== null ) {
let type = p.zone.type
if(type === 'col') {
let flex = nd.zone.r - nd.zone.l + 1
return(flex)
} else {
let flex = nd.zone.b - nd.zone.t + 1
return(flex)
}
} else {
return(1)
}
}
function creat_inline_container_attrib(cfg,nd) {
let rune = nd.zone.rune
let attrib = {}
attrib.style = {}
//
let hw = calc_hw(cfg,nd)
if(hw.length <=0 ) {
//root container
attrib.style['width'] = cfg.root.attrib.style.width
attrib.style['height'] = cfg.root.attrib.style.height
attrib.style['box-sizing'] = cfg.root.attrib.style['box-sizing']
attrib.style['background-color'] = cfg.root.attrib.style['background-color']
} else {
//non-root container
attrib.style[hw[0]] = hw[1]
}
//
attrib.style.display = 'flex'
attrib.style['justify-content'] = 'space-around'
attrib.style['align-items'] = 'center'
let type = nd.zone.type
if(type === 'row') {
attrib.style['flex-direction'] = 'column'
} else {
attrib.style['flex-direction'] = 'row'
}
attrib.style.flex = calc_flex(nd)
return(attrib)
}
function creat_outband_container_attrib(cfg,nd) {
let rune = nd.zone.rune
let attrib = {}
attrib.style = {}
//
let hw = calc_hw(cfg,nd)
if(hw.length <=0 ) {
//root container
attrib.class = "root"
} else {
//non-root container
if(hw[0] === 'height') {
attrib.class = "column"
} else {
attrib.class = "row"
}
}
//
let type = nd.zone.type
if(type === 'row') {
attrib.class = attrib.class + ' ' + 'rows-container'
} else {
attrib.class = attrib.class + ' ' + 'columns-container'
}
attrib.style.flex = calc_flex(nd)
return(attrib)
}
function creat_stag(cfg,nd,inline=true) {
let tag = ''
let rune = nd.zone.rune
let depth = nd.$depth()
if(rune !== undefined) {
tag = cfg[rune].tag? cfg[rune].tag:cfg.root.tag
tag = ' '.repeat(depth) + '<'+tag + '\n'
let attrib = cfg[rune].attrib
attrib = creat_attrib_str(attrib,' '.repeat(depth))
tag = tag + attrib+'\n'
tag = tag + ' '.repeat(depth) +'>' +'\n'
} else {
tag = cfg.root.tag
tag = ' '.repeat(depth) + '<'+tag + '\n'
let attrib = inline?creat_inline_container_attrib(cfg,nd):creat_outband_container_attrib(cfg,nd)
attrib = creat_attrib_str(attrib,' '.repeat(depth))
tag = tag + attrib+' '.repeat(depth) +'>' +'\n'
}
//text 看作 node的属性
//tail 看作 node的属性
//如果text 当作 独立textnode 不需要下面
if( cfg[rune] && cfg[rune].text) {
let text = cfg[rune].text
tag = tag + '\n'
tag = tag + ' '.repeat(depth+1) + text +'\n'
}
if( cfg[rune] && cfg[rune].tail) {
let tail = cfg[rune].tail
tag = tag + '\n'
tag = tag + ' '.repeat(depth) + tail +'\n'
}
return(tag)
}
function creat_etag(cfg,nd) {
/*
* 如果text 当作独立的textnode, 创建tree的时候需要标注类型 是否为textnode
*/
let tag = ''
let rune = nd.zone.rune
let depth = nd.$depth()
if(rune !== undefined) {
tag = cfg[rune].tag? cfg[rune].tag:cfg.root.tag
tag = ' '.repeat(depth) + '</'+tag + '>\n'
} else {
tag = cfg.root.tag
tag = ' '.repeat(depth) + '</'+tag + '>\n'
}
return(tag)
}
function sedfs2inline_html(cfg,sedfs) {
/*
* var oTextNode = document.createTextNode("XXXX")
* oTextNode.nodeType 3
* oTextNode.TEXT_NODE 3
*
* 如果使用独立textnode
*
* 需要加入一个判断is_txt
*
* Node.ELEMENT_NODE
* Node.TEXT_NODE
* Node.COMMENT_NODE
*
*
* Node.DOCUMENT_NODE
* Node.CDATA_SECTION_NODE
* Node.DOCUMENT_TYPE_NODE <!DOCTYPE html>
* Node.DOCUMENT_FRAGMENT_NODE
* DocumentFragment 不是真实 DOM 树的一部分，它的变化不会触发 DOM 树的重新渲染，且不会导致性能等问题
* Node.PROCESSING_INSTRUCTION_NODE <?xml-stylesheet ... ?>
*/
let html =''
for(let i=0;i<sedfs.length;i++) {
if(is_stag(sedfs,i)) {
html = html + creat_stag(cfg,sedfs[i],true)
} else {
html = html + creat_etag(cfg,sedfs[i])
}
}
html = html.replace(/\n+/g,'\n')
return(html)
}
function sedfs2outband_html(cfg,sedfs) {
let html =''
for(let i=0;i<sedfs.length;i++) {
if(is_stag(sedfs,i)) {
html = html + creat_stag(cfg,sedfs[i],false)
} else {
html = html + creat_etag(cfg,sedfs[i])
}
}
html = html.replace(/\n+/g,'\n')
html = wrap(html,cfg)
return(html)
}
module.exports = {
is_stag,
is_etag,
creat_stag,
creat_etag,
creat_css_str,
creat_attrib_str,
creat_inline_container_attrib,
calc_hw,
calc_flex,
sedfs2inline_html,
wrap,
creat_outband_container_attrib,
sedfs2outband_html,
}