CSS格式化
$(function(){
$("#cssBeautify").popover({
'title':'CSS代码格式化 CSS Beautify',
'content':'CSS Beautify 是一个 JavaScript 实现的用来对 CSS 代码进行格式化使之更加容易阅读的工具。',
'placement':'bottom'
});
});
function format_(){
var style = $("#cssdata").val();
var options;
options = {
indent: ' '
};
if (document.getElementById('tab').checked) {
options.indent = '\t';
}
if (document.getElementById('openbrace-separate-line').checked) {
options.openbrace = 'separate-line';
}
var fmt = cssbeautify(style,options);
$("#fcss").val(fmt);
}http://tool.oschina.net/js/cssbeautify.js
/*
Copyright (C) 2011 Sencha Inc.
Author: Ariya Hidayat.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/*jslint continue: true, indent: 4 */
function cssbeautify(style, opt) {
'use strict';
var options, index = 0, length = style.length, blocks, formatted = '',
ch, ch2, str, state, State, depth, quote, comment,
openbracesuffix = true,
trimRight;
options = arguments.length > 1 ? opt : {};
if (typeof options.indent === 'undefined') {
options.indent = ' ';
}
if (typeof options.openbrace === 'string') {
openbracesuffix = (options.openbrace === 'end-of-line');
}
function isWhitespace(c) {
return (c === ' ') || (c === '\n') || (c === '\t') || (c === '\r') || (c === '\f');
}
function isQuote(c) {
return (c === '\'') || (c === '"');
}
// FIXME: handle Unicode characters
function isName(c) {
return (ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') ||
'-_*.:#'.indexOf(c) >= 0;
}
function appendIndent() {
var i;
for (i = depth; i > 0; i -= 1) {
formatted += options.indent;
}
}
function openBlock() {
formatted = trimRight(formatted);
if (openbracesuffix) {
formatted += ' {';
} else {
formatted += '\n';
appendIndent();
formatted += '{';
}
if (ch2 !== '\n') {
formatted += '\n';
}
depth += 1;
}
function closeBlock() {
depth -= 1;
formatted = trimRight(formatted);
formatted += '\n';
appendIndent();
formatted += '}';
blocks.push(formatted);
formatted = '';
}
if (String.prototype.trimRight) {
trimRight = function (s) {
return s.trimRight();
};
} else {
// old Internet Explorer
trimRight = function (s) {
return s.replace(/\s+$/, '');
};
}
State = {
Start: 0,
AtRule: 1,
Block: 2,
Selector: 3,
Ruleset: 4,
Property: 5,
Separator: 6,
Expression: 7
};
depth = 0;
state = State.Start;
comment = false;
blocks = [];
// We want to deal with LF (\n) only
style = style.replace(/\r\n/g, '\n');
while (index < length) {
ch = style.charAt(index);
ch2 = style.charAt(index + 1);
index += 1;
// Inside a string literal?
if (isQuote(quote)) {
formatted += ch;
if (ch === quote) {
quote = null;
}
if (ch === '\\' && ch2 === quote) {
// Don't treat escaped character as the closing quote
formatted += ch2;
index += 1;
}
continue;
}
// Starting a string literal?
if (isQuote(ch)) {
formatted += ch;
quote = ch;
continue;
}
// Comment
if (comment) {
formatted += ch;
if (ch === '*' && ch2 === '/') {
comment = false;
formatted += ch2;
index += 1;
}
continue;
} else {
if (ch === '/' && ch2 === '*') {
comment = true;
formatted += ch;
formatted += ch2;
index += 1;
continue;
}
}
if (state === State.Start) {
if (blocks.length === 0) {
if (isWhitespace(ch) && formatted.length === 0) {
continue;
}
}
// Copy white spaces and control characters
if (ch <= ' ' || ch.charCodeAt(0) >= 128) {
state = State.Start;
formatted += ch;
continue;
}
// Selector or at-rule
if (isName(ch) || (ch === '@')) {
// Clear trailing whitespaces and linefeeds.
str = trimRight(formatted);
if (str.length === 0) {
// If we have empty string after removing all the trailing
// spaces, that means we are right after a block.
// Ensure a blank line as the separator.
if (blocks.length > 0) {
formatted = '\n\n';
}
} else {
// After finishing a ruleset or directive statement,
// there should be one blank line.
if (str.charAt(str.length - 1) === '}' ||
str.charAt(str.length - 1) === ';') {
formatted = str + '\n\n';
} else {
// After block comment, keep all the linefeeds but
// start from the first column (remove whitespaces prefix).
while (true) {
ch2 = formatted.charAt(formatted.length - 1);
if (ch2 !== ' ' && ch2.charCodeAt(0) !== 9) {
break;
}
formatted = formatted.substr(0, formatted.length - 1);
}
}
}
formatted += ch;
state = (ch === '@') ? State.AtRule : State.Selector;
continue;
}
}
if (state === State.AtRule) {
// ';' terminates a statement.
if (ch === ';') {
formatted += ch;
state = State.Start;
continue;
}
// '{' starts a block
if (ch === '{') {
openBlock();
state = State.Block;
continue;
}
formatted += ch;
continue;
}
if (state === State.Block) {
// Selector
if (isName(ch)) {
// Clear trailing whitespaces and linefeeds.
str = trimRight(formatted);
if (str.length === 0) {
// If we have empty string after removing all the trailing
// spaces, that means we are right after a block.
// Ensure a blank line as the separator.
if (blocks.length > 0) {
formatted = '\n\n';
}
} else {
// Insert blank line if necessary.
if (str.charAt(str.length - 1) === '}') {
formatted = str + '\n\n';
} else {
// After block comment, keep all the linefeeds but
// start from the first column (remove whitespaces prefix).
while (true) {
ch2 = formatted.charAt(formatted.length - 1);
if (ch2 !== ' ' && ch2.charCodeAt(0) !== 9) {
break;
}
formatted = formatted.substr(0, formatted.length - 1);
}
}
}
appendIndent();
formatted += ch;
state = State.Selector;
continue;
}
// '}' resets the state.
if (ch === '}') {
closeBlock();
state = State.Start;
continue;
}
formatted += ch;
continue;
}
if (state === State.Selector) {
// '{' starts the ruleset.
if (ch === '{') {
openBlock();
state = State.Ruleset;
continue;
}
// '}' resets the state.
if (ch === '}') {
closeBlock();
state = State.Start;
continue;
}
formatted += ch;
continue;
}
if (state === State.Ruleset) {
// '}' finishes the ruleset.
if (ch === '}') {
closeBlock();
state = State.Start;
if (depth > 0) {
state = State.Block;
}
continue;
}
// Make sure there is no blank line or trailing spaces inbetween
if (ch === '\n') {
formatted = trimRight(formatted);
formatted += '\n';
continue;
}
// property name
if (!isWhitespace(ch)) {
formatted = trimRight(formatted);
formatted += '\n';
appendIndent();
formatted += ch;
state = State.Property;
continue;
}
formatted += ch;
continue;
}
if (state === State.Property) {
// ':' concludes the property.
if (ch === ':') {
formatted = trimRight(formatted);
formatted += ': ';
state = State.Expression;
if (isWhitespace(ch2)) {
state = State.Separator;
}
continue;
}
// '}' finishes the ruleset.
if (ch === '}') {
closeBlock();
state = State.Start;
if (depth > 0) {
state = State.Block;
}
continue;
}
formatted += ch;
continue;
}
if (state === State.Separator) {
// Non-whitespace starts the expression.
if (!isWhitespace(ch)) {
formatted += ch;
state = State.Expression;
continue;
}
// Anticipate string literal.
if (isQuote(ch2)) {
state = State.Expression;
}
continue;
}
if (state === State.Expression) {
// '}' finishes the ruleset.
if (ch === '}') {
closeBlock();
state = State.Start;
if (depth > 0) {
state = State.Block;
}
continue;
}
// ';' completes the declaration.
if (ch === ';') {
formatted = trimRight(formatted);
formatted += ';\n';
state = State.Ruleset;
continue;
}
formatted += ch;
continue;
}
// The default action is to copy the character (to prevent
// infinite loop).
formatted += ch;
}
formatted = blocks.join('') + formatted;
return formatted;
}
