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优化原型扩展写法
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@jaywcjlove
jaywcjlove committed Aug 17, 2015
1 parent fa1a07d commit c35a9e6
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Showing 2 changed files with 162 additions and 153 deletions.
145 changes: 77 additions & 68 deletions build/MDEditor.min.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
table: noop,
paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
Expand All @@ -25,8 +25,9 @@
block.paragraph = replace(block.paragraph)("hr", block.hr)("heading", block.heading)("lheading", block.lheading)("blockquote", block.blockquote)("tag", "<" + block._tag)("def", block.def)();
block.normal = merge({}, block);
block.gfm = merge({}, block.normal, {
fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
paragraph: /^/
fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/,
paragraph: /^/,
heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/
});
block.gfm.paragraph = replace(block.paragraph)("(?!", "(?!" + block.gfm.fences.source.replace("\\1", "\\2") + "|" + block.list.source.replace("\\1", "\\3") + "|")();
block.tables = merge({}, block.gfm, {
Expand Down Expand Up @@ -80,7 +81,7 @@
this.tokens.push({
type: "code",
lang: cap[2],
text: cap[3]
text: cap[3] || ""
});
continue;
}
Expand Down Expand Up @@ -194,7 +195,7 @@
src = src.substring(cap[0].length);
this.tokens.push({
type: this.options.sanitize ? "paragraph" : "html",
pre: cap[1] === "pre" || cap[1] === "script" || cap[1] === "style",
pre: !this.options.sanitizer && (cap[1] === "pre" || cap[1] === "script" || cap[1] === "style"),
text: cap[0]
});
continue;
Expand Down Expand Up @@ -263,7 +264,7 @@
reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
br: /^ {2,}\n(?!\s*$)/,
del: noop,
Expand Down Expand Up @@ -346,7 +347,7 @@
this.inLink = false;
}
src = src.substring(cap[0].length);
out += this.options.sanitize ? escape(cap[0]) : cap[0];
out += this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0];
continue;
}
if (cap = this.rules.link.exec(src)) {
Expand Down Expand Up @@ -400,7 +401,7 @@
}
if (cap = this.rules.text.exec(src)) {
src = src.substring(cap[0].length);
out += escape(this.smartypants(cap[0]));
out += this.renderer.text(escape(this.smartypants(cap[0])));
continue;
}
if (src) {
Expand All @@ -415,9 +416,10 @@
};
InlineLexer.prototype.smartypants = function(text) {
if (!this.options.smartypants) return text;
return text.replace(/--/g, "—").replace(/(^|[-\u2014/(\[{"\s])'/g, "$1‘").replace(/'/g, "’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1“").replace(/"/g, "”").replace(/\.{3}/g, "…");
return text.replace(/---/g, "—").replace(/--/g, "–").replace(/(^|[-\u2014/(\[{"\s])'/g, "$1‘").replace(/'/g, "’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1“").replace(/"/g, "”").replace(/\.{3}/g, "…");
};
InlineLexer.prototype.mangle = function(text) {
if (!this.options.mangle) return text;
var out = "", l = text.length, i = 0, ch;
for (;i < l; i++) {
ch = text.charCodeAt(i);
Expand Down Expand Up @@ -499,7 +501,7 @@
} catch (e) {
return "";
}
if (prot.indexOf("javascript:") === 0) {
if (prot.indexOf("javascript:") === 0 || prot.indexOf("vbscript:") === 0) {
return "";
}
}
Expand All @@ -518,6 +520,9 @@
out += this.options.xhtml ? "/>" : ">";
return out;
};
Renderer.prototype.text = function(text) {
return text;
};
function Parser(options) {
this.tokens = [];
this.token = null;
Expand Down Expand Up @@ -766,6 +771,8 @@
breaks: false,
pedantic: false,
sanitize: false,
sanitizer: null,
mangle: true,
smartLists: false,
silent: false,
highlight: null,
Expand Down Expand Up @@ -891,69 +898,71 @@
css(self.textarea, "min-height", opts.minheight + "px");
css(self.preview, "min-height", opts.minheight + "px");
}
MDEditor.prototype.load = function() {
var self = this, box = self.obj[0], index = 0;
if (box) {
if (box.innerHTML !== "") self.opts.value = box.innerHTML.replace(/\&gt\;/g, ">").replace(/\&lt\;/g, "<"),
box.innerHTML = "";
box.appendChild(self.preview), box.appendChild(self.tools), box.appendChild(self.textarea);
}
self.setMD();
addEvent(self.btn_preview, "click", function(event) {
index = parseInt(self.preview.style.zIndex);
if (index === 9) {
self.preview.style.zIndex = 0;
this.innerHTML = "预览";
} else {
self.preview.style.zIndex = 9;
this.innerHTML = "编辑";
}
self.setHTML(self.getMD());
MDEditor.prototype = {
load: function() {
var self = this, box = self.obj[0], index = 0;
if (box) {
if (box.innerHTML !== "") self.opts.value = box.innerHTML.replace(/\&gt\;/g, ">").replace(/\&lt\;/g, "<"),
box.innerHTML = "";
box.appendChild(self.preview), box.appendChild(self.tools), box.appendChild(self.textarea);
}
self.setMD();
addEvent(self.btn_preview, "click", function(event) {
index = parseInt(self.preview.style.zIndex);
if (index === 9) {
self.preview.style.zIndex = 0;
this.innerHTML = "预览";
} else {
self.preview.style.zIndex = 9;
this.innerHTML = "编辑";
}
self.setHTML(self.getMD());
css(self.preview, {
height: self.textarea.offsetHeight + "px"
});
});
css(self.preview, {
height: self.textarea.offsetHeight + "px"
});
});
css(self.preview, {
height: self.textarea.offsetHeight + "px"
});
addEvent(self.textarea, "input propertychange", function(event) {
if (this.scrollHeight < self.opts.maxheight) {
css(self.textarea, {
height: this.scrollHeight + "px",
overflow: "hidden"
});
} else {
css(self.textarea, {
height: self.opts.maxheight + "px",
overflow: "auto"
addEvent(self.textarea, "input propertychange", function(event) {
if (this.scrollHeight < self.opts.maxheight) {
css(self.textarea, {
height: this.scrollHeight + "px",
overflow: "hidden"
});
} else {
css(self.textarea, {
height: self.opts.maxheight + "px",
overflow: "auto"
});
}
css(self.preview, {
height: self.textarea.offsetHeight + "px"
});
}
css(self.preview, {
height: self.textarea.offsetHeight + "px"
self.opts.value = this.value;
self.callback(event, self.opts);
});
self.opts.value = this.value;
self.callback(event, self.opts);
});
return this;
};
MDEditor.prototype.getMD = function() {
return this.textarea.value;
};
MDEditor.prototype.setMD = function(val) {
if (marked) this.textarea.value = val ? val : this.opts.value;
this.textarea.style.height = (this.textarea.scrollHeight < this.opts.maxheight ? this.textarea.scrollHeight : this.opts.maxheight) + "px";
return this;
};
MDEditor.prototype.getHTML = function() {
if (marked) return marked(this.getMD()); else return this.preview.innerHTML;
};
MDEditor.prototype.input = function(evn) {
this.callback = evn;
return this;
};
MDEditor.prototype.setHTML = function(val) {
if (marked) this.preview.innerHTML = marked(val ? val : this.opts.value);
return this;
return this;
},
getMD: function() {
return this.textarea.value;
},
setMD: function(val) {
if (marked) this.textarea.value = val ? val : this.opts.value;
this.textarea.style.height = (this.textarea.scrollHeight < this.opts.maxheight ? this.textarea.scrollHeight : this.opts.maxheight) + "px";
return this;
},
getHTML: function() {
if (marked) return marked(this.getMD()); else return this.preview.innerHTML;
},
setHTML: function(val) {
if (marked) this.preview.innerHTML = marked(val ? val : this.opts.value);
return this;
},
input: function(evn) {
this.callback = evn;
return this;
}
};
if (typeof window.define === "function" && window.define.amd) {
window.define(function() {
Expand Down
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