60 lines
9.1 KiB
JavaScript
60 lines
9.1 KiB
JavaScript
var Hogan={};(function(Hogan,useArrayBuffer){Hogan.Template=function(renderFunc,text,compiler,options){this.r=renderFunc||this.r;this.c=compiler;this.options=options;this.text=text||'';this.buf=(useArrayBuffer)?[]:'';}
|
|
Hogan.Template.prototype={r:function(context,partials,indent){return'';},v:hoganEscape,t:coerceToString,render:function render(context,partials,indent){return this.ri([context],partials||{},indent);},ri:function(context,partials,indent){return this.r(context,partials,indent);},rp:function(name,context,partials,indent){var partial=partials[name];if(!partial){return'';}
|
|
if(this.c&&typeof partial=='string'){partial=this.c.compile(partial,this.options);}
|
|
return partial.ri(context,partials,indent);},rs:function(context,partials,section){var tail=context[context.length- 1];if(!isArray(tail)){section(context,partials,this);return;}
|
|
for(var i=0;i<tail.length;i++){context.push(tail[i]);section(context,partials,this);context.pop();}},s:function(val,ctx,partials,inverted,start,end,tags){var pass;if(isArray(val)&&val.length===0){return false;}
|
|
if(typeof val=='function'){val=this.ls(val,ctx,partials,inverted,start,end,tags);}
|
|
pass=(val==='')||!!val;if(!inverted&&pass&&ctx){ctx.push((typeof val=='object')?val:ctx[ctx.length- 1]);}
|
|
return pass;},d:function(key,ctx,partials,returnFound){var names=key.split('.'),val=this.f(names[0],ctx,partials,returnFound),cx=null;if(key==='.'&&isArray(ctx[ctx.length- 2])){return ctx[ctx.length- 1];}
|
|
for(var i=1;i<names.length;i++){if(val&&typeof val=='object'&&names[i]in val){cx=val;val=val[names[i]];}else{val='';}}
|
|
if(returnFound&&!val){return false;}
|
|
if(!returnFound&&typeof val=='function'){ctx.push(cx);val=this.lv(val,ctx,partials);ctx.pop();}
|
|
return val;},f:function(key,ctx,partials,returnFound){var val=false,v=null,found=false;for(var i=ctx.length- 1;i>=0;i--){v=ctx[i];if(v&&typeof v=='object'&&key in v){val=v[key];found=true;break;}}
|
|
if(!found){return(returnFound)?false:"";}
|
|
if(!returnFound&&typeof val=='function'){val=this.lv(val,ctx,partials);}
|
|
return val;},ho:function(val,cx,partials,text,tags){var compiler=this.c;var options=this.options;options.delimiters=tags;var text=val.call(cx,text);text=(text==null)?String(text):text.toString();this.b(compiler.compile(text,options).render(cx,partials));return false;},b:(useArrayBuffer)?function(s){this.buf.push(s);}:function(s){this.buf+=s;},fl:(useArrayBuffer)?function(){var r=this.buf.join('');this.buf=[];return r;}:function(){var r=this.buf;this.buf='';return r;},ls:function(val,ctx,partials,inverted,start,end,tags){var cx=ctx[ctx.length- 1],t=null;if(!inverted&&this.c&&val.length>0){return this.ho(val,cx,partials,this.text.substring(start,end),tags);}
|
|
t=val.call(cx);if(typeof t=='function'){if(inverted){return true;}else if(this.c){return this.ho(t,cx,partials,this.text.substring(start,end),tags);}}
|
|
return t;},lv:function(val,ctx,partials){var cx=ctx[ctx.length- 1];var result=val.call(cx);if(typeof result=='function'){result=coerceToString(result.call(cx));if(this.c&&~result.indexOf("{\u007B")){return this.c.compile(result,this.options).render(cx,partials);}}
|
|
return coerceToString(result);}};var rAmp=/&/g,rLt=/</g,rGt=/>/g,rApos=/\'/g,rQuot=/\"/g,hChars=/[&<>\"\']/;function coerceToString(val){return String((val===null||val===undefined)?'':val);}
|
|
function hoganEscape(str){str=coerceToString(str);return hChars.test(str)?str.replace(rAmp,'&').replace(rLt,'<').replace(rGt,'>').replace(rApos,''').replace(rQuot,'"'):str;}
|
|
var isArray=Array.isArray||function(a){return Object.prototype.toString.call(a)==='[object Array]';};})(typeof exports!=='undefined'?exports:Hogan);(function(Hogan){var rIsWhitespace=/\S/,rQuot=/\"/g,rNewline=/\n/g,rCr=/\r/g,rSlash=/\\/g,tagTypes={'#':1,'^':2,'/':3,'!':4,'>':5,'<':6,'=':7,'_v':8,'{':9,'&':10};Hogan.scan=function scan(text,delimiters){var len=text.length,IN_TEXT=0,IN_TAG_TYPE=1,IN_TAG=2,state=IN_TEXT,tagType=null,tag=null,buf='',tokens=[],seenTag=false,i=0,lineStart=0,otag='{{',ctag='}}';function addBuf(){if(buf.length>0){tokens.push(new String(buf));buf='';}}
|
|
function lineIsWhitespace(){var isAllWhitespace=true;for(var j=lineStart;j<tokens.length;j++){isAllWhitespace=(tokens[j].tag&&tagTypes[tokens[j].tag]<tagTypes['_v'])||(!tokens[j].tag&&tokens[j].match(rIsWhitespace)===null);if(!isAllWhitespace){return false;}}
|
|
return isAllWhitespace;}
|
|
function filterLine(haveSeenTag,noNewLine){addBuf();if(haveSeenTag&&lineIsWhitespace()){for(var j=lineStart,next;j<tokens.length;j++){if(!tokens[j].tag){if((next=tokens[j+1])&&next.tag=='>'){next.indent=tokens[j].toString()}
|
|
tokens.splice(j,1);}}}else if(!noNewLine){tokens.push({tag:'\n'});}
|
|
seenTag=false;lineStart=tokens.length;}
|
|
function changeDelimiters(text,index){var close='='+ ctag,closeIndex=text.indexOf(close,index),delimiters=trim(text.substring(text.indexOf('=',index)+ 1,closeIndex)).split(' ');otag=delimiters[0];ctag=delimiters[1];return closeIndex+ close.length- 1;}
|
|
if(delimiters){delimiters=delimiters.split(' ');otag=delimiters[0];ctag=delimiters[1];}
|
|
for(i=0;i<len;i++){if(state==IN_TEXT){if(tagChange(otag,text,i)){--i;addBuf();state=IN_TAG_TYPE;}else{if(text.charAt(i)=='\n'){filterLine(seenTag);}else{buf+=text.charAt(i);}}}else if(state==IN_TAG_TYPE){i+=otag.length- 1;tag=tagTypes[text.charAt(i+ 1)];tagType=tag?text.charAt(i+ 1):'_v';if(tagType=='='){i=changeDelimiters(text,i);state=IN_TEXT;}else{if(tag){i++;}
|
|
state=IN_TAG;}
|
|
seenTag=i;}else{if(tagChange(ctag,text,i)){tokens.push({tag:tagType,n:trim(buf),otag:otag,ctag:ctag,i:(tagType=='/')?seenTag- ctag.length:i+ otag.length});buf='';i+=ctag.length- 1;state=IN_TEXT;if(tagType=='{'){if(ctag=='}}'){i++;}else{cleanTripleStache(tokens[tokens.length- 1]);}}}else{buf+=text.charAt(i);}}}
|
|
filterLine(seenTag,true);return tokens;}
|
|
function cleanTripleStache(token){if(token.n.substr(token.n.length- 1)==='}'){token.n=token.n.substring(0,token.n.length- 1);}}
|
|
function trim(s){if(s.trim){return s.trim();}
|
|
return s.replace(/^\s*|\s*$/g,'');}
|
|
function tagChange(tag,text,index){if(text.charAt(index)!=tag.charAt(0)){return false;}
|
|
for(var i=1,l=tag.length;i<l;i++){if(text.charAt(index+ i)!=tag.charAt(i)){return false;}}
|
|
return true;}
|
|
function buildTree(tokens,kind,stack,customTags){var instructions=[],opener=null,token=null;while(tokens.length>0){token=tokens.shift();if(token.tag=='#'||token.tag=='^'||isOpener(token,customTags)){stack.push(token);token.nodes=buildTree(tokens,token.tag,stack,customTags);instructions.push(token);}else if(token.tag=='/'){if(stack.length===0){throw new Error('Closing tag without opener: /'+ token.n);}
|
|
opener=stack.pop();if(token.n!=opener.n&&!isCloser(token.n,opener.n,customTags)){throw new Error('Nesting error: '+ opener.n+' vs. '+ token.n);}
|
|
opener.end=token.i;return instructions;}else{instructions.push(token);}}
|
|
if(stack.length>0){throw new Error('missing closing tag: '+ stack.pop().n);}
|
|
return instructions;}
|
|
function isOpener(token,tags){for(var i=0,l=tags.length;i<l;i++){if(tags[i].o==token.n){token.tag='#';return true;}}}
|
|
function isCloser(close,open,tags){for(var i=0,l=tags.length;i<l;i++){if(tags[i].c==close&&tags[i].o==open){return true;}}}
|
|
Hogan.generate=function(tree,text,options){var code='var _=this;_.b(i=i||"");'+ walk(tree)+'return _.fl();';if(options.asString){return'function(c,p,i){'+ code+';}';}
|
|
return new Hogan.Template(new Function('c','p','i',code),text,Hogan,options);}
|
|
function esc(s){return s.replace(rSlash,'\\\\').replace(rQuot,'\\\"').replace(rNewline,'\\n').replace(rCr,'\\r');}
|
|
function chooseMethod(s){return(~s.indexOf('.'))?'d':'f';}
|
|
function walk(tree){var code='';for(var i=0,l=tree.length;i<l;i++){var tag=tree[i].tag;if(tag=='#'){code+=section(tree[i].nodes,tree[i].n,chooseMethod(tree[i].n),tree[i].i,tree[i].end,tree[i].otag+" "+ tree[i].ctag);}else if(tag=='^'){code+=invertedSection(tree[i].nodes,tree[i].n,chooseMethod(tree[i].n));}else if(tag=='<'||tag=='>'){code+=partial(tree[i]);}else if(tag=='{'||tag=='&'){code+=tripleStache(tree[i].n,chooseMethod(tree[i].n));}else if(tag=='\n'){code+=text('"\\n"'+(tree.length-1==i?'':' + i'));}else if(tag=='_v'){code+=variable(tree[i].n,chooseMethod(tree[i].n));}else if(tag===undefined){code+=text('"'+ esc(tree[i])+'"');}}
|
|
return code;}
|
|
function section(nodes,id,method,start,end,tags){return'if(_.s(_.'+ method+'("'+ esc(id)+'",c,p,1),'+'c,p,0,'+ start+','+ end+',"'+ tags+'")){'+'_.rs(c,p,'+'function(c,p,_){'+
|
|
walk(nodes)+'});c.pop();}';}
|
|
function invertedSection(nodes,id,method){return'if(!_.s(_.'+ method+'("'+ esc(id)+'",c,p,1),c,p,1,0,0,"")){'+
|
|
walk(nodes)+'};';}
|
|
function partial(tok){return'_.b(_.rp("'+ esc(tok.n)+'",c,p,"'+(tok.indent||'')+'"));';}
|
|
function tripleStache(id,method){return'_.b(_.t(_.'+ method+'("'+ esc(id)+'",c,p,0)));';}
|
|
function variable(id,method){return'_.b(_.v(_.'+ method+'("'+ esc(id)+'",c,p,0)));';}
|
|
function text(id){return'_.b('+ id+');';}
|
|
Hogan.parse=function(tokens,text,options){options=options||{};return buildTree(tokens,'',[],options.sectionTags||[]);},Hogan.cache={};Hogan.compile=function(text,options){options=options||{};var key=text+'||'+!!options.asString;var t=this.cache[key];if(t){return t;}
|
|
t=this.generate(this.parse(this.scan(text,options.delimiters),text,options),text,options);return this.cache[key]=t;};})(typeof exports!=='undefined'?exports:Hogan); |