html-compress
Version:
html compress.
425 lines (384 loc) • 14.4 kB
JavaScript
'use strict';
var util = module.exports = {};
util.sign = {
FL_EOF : 1, //结束
FL_TPL_DELIMITER : 2, //模板语法
FL_NEW_LINE : 3, //new line
FL_NORMAL : 4, //normal,一般很少出现这个
HTML_CONTENT : 111, //文本
HTML_TAG : 112, //一般标签
HTML_JS_START : 113, //js start
HTML_JS_CONTENT : 114, //js content,要手工调用js analytic
HTML_JS_END : 115, //js end
HTML_CSS_START : 116, //css start
HTML_CSS_CONTENT : 117, //css content,要手工调用css analytic
HTML_CSS_END : 118, //css end
HTML_IE_HACK_START : 119, //ie hack start
HTML_IE_HACK_EDN : 120, //ie hack end
HTML_DOC_TYPE : 121, //doc type
HTML_COMMENT : 122, //html comment
HTML_PRE_TAG : 123, //pre tag
HTML_STATUS_OK : 124, //status ok
HTML_TEXTAREA_TAG : 125, //textarea tag
HTML_TAG_START : 126, //tag start
HTML_TAG_END : 127, //tag end
HTML_TPL_ATTR_NAME : 128, //tpl attributes name
HTML_XML : 129, //is xml
HTML_ATTR_VALUE_MIXED : 130, //class:"li-bind-<&name&>", mixed
JS_START_EXPR : 211, //start expression
JS_END_EXPR : 212, //end expression
JS_START_BLOCK : 213, //start block
JS_END_BLOCK : 214, //end block
JS_SEMICOLON : 215, //分号
JS_WORD : 216, //单词
JS_OPERATOR : 217, //操作符
JS_EQUALS : 218, //等号
JS_INLINE_COMMENT : 219, //行内注释
JS_BLOCK_COMMENT : 220, //跨级注释
JS_COMMENT : 221, //注释
JS_STRING : 222, //字符串
JS_IE_CC : 223, //条件编译
JS_REGEXP : 224, //正则
JS_WHITESPACE : 225, //空白（\s+）
JS_NUMBER : 226, //数字
JS_IDENTIFIER : 227, //标识符
JS_PUNCTUATION : 228, //标点或符号
JS_KEYWORDS : 229, //关键字
JS_KEYWORDS_ATOM : 230, //原子词：true、false、null、undefined
JS_RESERVED_WORDS : 231, //保留字
JS_MODE_EXPRESSION : 250, //
JS_MODE_INDENT_EXPRESSION : 251, //
JS_MODE_DO_BLOCK : 252, //
JS_MODE_BLOCK : 253, //
JS_MODE_ARRAY : 254,
CSS_AT : 311, //@
CSS_NORMAL : 312, //
CSS_DEVICE_DESC : 313, //设备描述内容
CSS_DEVICE_START : 314, //设备开始符,为{
CSS_DEVICE_END : 315, //设备结束符，为}
CSS_SELECTOER : 316, //选择器
CSS_SELECTOER_START : 317, //选择器开始符，为{
CSS_SELECTOER_END : 318, //选择器结束符，为}
CSS_COMMENT : 319, //注释
CSS_PROPERTY : 320, //属性
CSS_VALUE : 321, //值
CSS_COLON : 322, //冒号
CSS_SEMICOLON : 323, //分号
CSS_WHITESPACE : 324, //空白（\s+）
MSG_DEBUG : 401, //debug信息
MSG_INFO : 402, //普通信息
MSG_WARN : 403, //警告信息
MSG_ERROR : 404, //错误信息
MSG_FATAL : 405, //灾难性错误信息
SMARTY_TAG_START : 501, //Smarty开始标签
SMARTY_TAG_END : 502, //Smarty结束标签
SMARTY_TPL_VAR : 503, //Smarty模板变量
SMARTY_FUNCTION_DEFINE : 504, //Smarty function定义
SMARTY_FUNCTION_CALL : 505 //Smarty function调用
};
util.getTplDelimiterToken = function (){
var left_delimiter = this.leftDelimiter;
var right_delimiter = this.rightDelimiter;
var leftDelimiterLen = this.leftDelimiter.length;
var rightDelimiterLen = this.rightDelimiter.length;
var escape = false;
var resultString = '';
if (this.content.substr((this.parsePos - 1), leftDelimiterLen) === left_delimiter){
resultString += left_delimiter;
this.parsePos += leftDelimiterLen - 1;
var delimiterNum = 1;
while (true){
if (!escape){
escape = (this.content[this.parsePos] === "\\");
}else {
escape = false;
}
if (!escape && this.content.substr(this.parsePos, rightDelimiterLen) === right_delimiter){
resultString += right_delimiter;
this.parsePos += rightDelimiterLen;
if (delimiterNum === 1){
break;
}else{
delimiterNum -= 1;
}
}else{
if (this.content.substr(this.parsePos, leftDelimiterLen) === left_delimiter){
resultString += left_delimiter;
this.parsePos += leftDelimiterLen;
delimiterNum += 1;
}else {
resultString += this.content[this.parsePos];
this.parsePos++;
}
}
if (this.parsePos >= this.contentLength){
break;
}
}
return [resultString, util.sign.FL_TPL_DELIMITER];
}
};
util.str_replace = function(search, replace, subject, count) {
var i = 0,
j = 0,
temp = '',
repl = '',
sl = 0,
fl = 0,
f = [].concat(search),
r = [].concat(replace),
s = subject,
ra = Object.prototype.toString.call(r) === '[object Array]',
sa = Object.prototype.toString.call(s) === '[object Array]';
s = [].concat(s);
if (count) {
this.window[count] = 0;
}
for (i = 0, sl = s.length; i < sl; i++) {
if (s[i] === '') {
continue;
}
for (j = 0, fl = f.length; j < fl; j++) {
temp = s[i] + '';
repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
s[i] = (temp).split(f[j]).join(repl);
if (count && s[i] !== temp) {
this.window[count] += (temp.length - s[i].length) / f[j].length;
}
}
}
return sa ? s : s[0];
};
util.empty = function(mixed_var) {
var undef, key, i, len;
var emptyValues = [undef, null, false, 0, "", "0"];
for (i = 0, len = emptyValues.length; i < len; i++) {
if (mixed_var === emptyValues[i]) {
return true;
}
}
if (typeof mixed_var === "object") {
for (key in mixed_var) {
// TODO: should we check for own properties only?
//if (mixed_var.hasOwnProperty(key)) {
return false;
//}
}
return true;
}
return false;
};
util.trim =function (str, charlist) {
var whitespace, l = 0,
i = 0;
str += '';
if (!charlist) {
// default list
whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
} else {
// preg_quote custom list
charlist += '';
whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
}
l = str.length;
for (i = 0; i < l; i++) {
if (whitespace.indexOf(str.charAt(i)) === -1) {
str = str.substring(i);
break;
}
}
l = str.length;
for (i = l - 1; i >= 0; i--) {
if (whitespace.indexOf(str.charAt(i)) === -1) {
str = str.substring(0, i + 1);
break;
}
}
return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
};
util.preg_quote = function(str, delimiter) {
return (str + '').replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\' + (delimiter || '') + '-]', 'g'), '\\$&');
};
util.in_array = function(needle, haystack, argStrict) {
var key = '',
strict = !! argStrict;
if (strict) {
for (key in haystack) {
if (haystack[key] === needle) {
return true;
}
}
} else {
for (key in haystack) {
if (haystack[key] == needle) {
return true;
}
}
}
return false;
};
util.array_key_exists = function (key, search) {
if (!search || (search.constructor !== Array && search.constructor !== Object)) {
return false;
}
return key in search;
};
util.str_replace = function(search, replace, subject, count) {
var i = 0,
j = 0,
temp = '',
repl = '',
sl = 0,
fl = 0,
f = [].concat(search),
r = [].concat(replace),
s = subject,
ra = Object.prototype.toString.call(r) === '[object Array]',
sa = Object.prototype.toString.call(s) === '[object Array]';
s = [].concat(s);
if (count) {
this.window[count] = 0;
}
for (i = 0, sl = s.length; i < sl; i++) {
if (s[i] === '') {
continue;
}
for (j = 0, fl = f.length; j < fl; j++) {
temp = s[i] + '';
repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
s[i] = (temp).split(f[j]).join(repl);
if (count && s[i] !== temp) {
this.window[count] += (temp.length - s[i].length) / f[j].length;
}
}
}
return sa ? s : s[0];
};
util.is_array = function (mixed_var) {
var ini,
_getFuncName = function (fn) {
var name = (/\W*function\s+([\w\$]+)\s*\(/).exec(fn);
if (!name) {
return '(Anonymous)';
}
return name[1];
},
_isArray = function (mixed_var) {
if (!mixed_var || typeof mixed_var !== 'object' || typeof mixed_var.length !== 'number') {
return false;
}
var len = mixed_var.length;
mixed_var[mixed_var.length] = 'bogus';
if (len !== mixed_var.length) {
mixed_var.length -= 1;
return true;
}
delete mixed_var[mixed_var.length];
return false;
};
if (!mixed_var || typeof mixed_var !== 'object') {
return false;
}
this.php_js = this.php_js || {};
this.php_js.ini = this.php_js.ini || {};
ini = this.php_js.ini['phpjs.objectsAsArrays'];
return _isArray(mixed_var) ||
((!ini || ( // if it's not set to 0 and it's not 'off', check for objects as arrays
(parseInt(ini.local_value, 10) !== 0 && (!ini.local_value.toLowerCase || ini.local_value.toLowerCase() !== 'off')))
) && (
Object.prototype.toString.call(mixed_var) === '[object Object]' && _getFuncName(mixed_var.constructor) === 'Object' // Most likely a literal and intended as assoc. array
));
}
util.array_merge = function() {
var args = Array.prototype.slice.call(arguments),
argl = args.length,
arg,
retObj = {},
k = '',
argil = 0,
j = 0,
i = 0,
ct = 0,
toStr = Object.prototype.toString,
retArr = true;
for (i = 0; i < argl; i++) {
if (toStr.call(args[i]) !== '[object Array]') {
retArr = false;
break;
}
}
if (retArr) {
retArr = [];
for (i = 0; i < argl; i++) {
retArr = retArr.concat(args[i]);
}
return retArr;
}
for (i = 0, ct = 0; i < argl; i++) {
arg = args[i];
if (toStr.call(arg) === '[object Array]') {
for (j = 0, argil = arg.length; j < argil; j++) {
retObj[ct++] = arg[j];
}
}
else {
for (k in arg) {
if (arg.hasOwnProperty(k)) {
if (parseInt(k, 10) + '' === k) {
retObj[ct++] = arg[k];
}
else {
retObj[k] = arg[k];
}
}
}
}
}
return retObj;
}
util.rtrim = function(str, charlist) {
charlist = !charlist ? ' \\s\u00A0' : (charlist + '').replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\\$1');
var re = new RegExp('[' + charlist + ']+$', 'g');
return (str + '').replace(re, '');
}
util.strlen = function(string) {
var str = string + '';
var i = 0,
chr = '',
lgth = 0;
if (!this.php_js || !this.php_js.ini || !this.php_js.ini['unicode.semantics'] || this.php_js.ini['unicode.semantics'].local_value.toLowerCase() !== 'on') {
return string.length;
}
var getWholeChar = function (str, i) {
var code = str.charCodeAt(i);
var next = '',
prev = '';
if (0xD800 <= code && code <= 0xDBFF) { // High surrogate (could change last hex to 0xDB7F to treat high private surrogates as single characters)
if (str.length <= (i + 1)) {
throw 'High surrogate without following low surrogate';
}
next = str.charCodeAt(i + 1);
if (0xDC00 > next || next > 0xDFFF) {
throw 'High surrogate without following low surrogate';
}
return str.charAt(i) + str.charAt(i + 1);
} else if (0xDC00 <= code && code <= 0xDFFF) { // Low surrogate
if (i === 0) {
throw 'Low surrogate without preceding high surrogate';
}
prev = str.charCodeAt(i - 1);
if (0xD800 > prev || prev > 0xDBFF) { //(could change last hex to 0xDB7F to treat high private surrogates as single characters)
throw 'Low surrogate without preceding high surrogate';
}
return false; // We can pass over low surrogates now as the second component in a pair which we have already processed
}
return str.charAt(i);
};
for (i = 0, lgth = 0; i < str.length; i++) {
if ((chr = getWholeChar(str, i)) === false) {
continue;
} // Adapt this line at the top of any loop, passing in the whole string and the current iteration and returning a variable to represent the individual character; purpose is to treat the first part of a surrogate pair as the whole character and then ignore the second part
lgth++;
}
return lgth;
}