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keksAccountGUI/node_modulesOLD/postcss/lib/parser.js

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2019-08-11 18:48:02 +00:00
"use strict";
exports.__esModule = true;
exports.default = void 0;
var _declaration = _interopRequireDefault(require("./declaration"));
var _tokenize = _interopRequireDefault(require("./tokenize"));
var _comment = _interopRequireDefault(require("./comment"));
var _atRule = _interopRequireDefault(require("./at-rule"));
var _root = _interopRequireDefault(require("./root"));
var _rule = _interopRequireDefault(require("./rule"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var Parser =
/*#__PURE__*/
function () {
function Parser(input) {
this.input = input;
this.root = new _root.default();
this.current = this.root;
this.spaces = '';
this.semicolon = false;
this.createTokenizer();
this.root.source = {
input: input,
start: {
line: 1,
column: 1
}
};
}
var _proto = Parser.prototype;
_proto.createTokenizer = function createTokenizer() {
this.tokenizer = (0, _tokenize.default)(this.input);
};
_proto.parse = function parse() {
var token;
while (!this.tokenizer.endOfFile()) {
token = this.tokenizer.nextToken();
switch (token[0]) {
case 'space':
this.spaces += token[1];
break;
case ';':
this.freeSemicolon(token);
break;
case '}':
this.end(token);
break;
case 'comment':
this.comment(token);
break;
case 'at-word':
this.atrule(token);
break;
case '{':
this.emptyRule(token);
break;
default:
this.other(token);
break;
}
}
this.endFile();
};
_proto.comment = function comment(token) {
var node = new _comment.default();
this.init(node, token[2], token[3]);
node.source.end = {
line: token[4],
column: token[5]
};
var text = token[1].slice(2, -2);
if (/^\s*$/.test(text)) {
node.text = '';
node.raws.left = text;
node.raws.right = '';
} else {
var match = text.match(/^(\s*)([^]*[^\s])(\s*)$/);
node.text = match[2];
node.raws.left = match[1];
node.raws.right = match[3];
}
};
_proto.emptyRule = function emptyRule(token) {
var node = new _rule.default();
this.init(node, token[2], token[3]);
node.selector = '';
node.raws.between = '';
this.current = node;
};
_proto.other = function other(start) {
var end = false;
var type = null;
var colon = false;
var bracket = null;
var brackets = [];
var tokens = [];
var token = start;
while (token) {
type = token[0];
tokens.push(token);
if (type === '(' || type === '[') {
if (!bracket) bracket = token;
brackets.push(type === '(' ? ')' : ']');
} else if (brackets.length === 0) {
if (type === ';') {
if (colon) {
this.decl(tokens);
return;
} else {
break;
}
} else if (type === '{') {
this.rule(tokens);
return;
} else if (type === '}') {
this.tokenizer.back(tokens.pop());
end = true;
break;
} else if (type === ':') {
colon = true;
}
} else if (type === brackets[brackets.length - 1]) {
brackets.pop();
if (brackets.length === 0) bracket = null;
}
token = this.tokenizer.nextToken();
}
if (this.tokenizer.endOfFile()) end = true;
if (brackets.length > 0) this.unclosedBracket(bracket);
if (end && colon) {
while (tokens.length) {
token = tokens[tokens.length - 1][0];
if (token !== 'space' && token !== 'comment') break;
this.tokenizer.back(tokens.pop());
}
this.decl(tokens);
} else {
this.unknownWord(tokens);
}
};
_proto.rule = function rule(tokens) {
tokens.pop();
var node = new _rule.default();
this.init(node, tokens[0][2], tokens[0][3]);
node.raws.between = this.spacesAndCommentsFromEnd(tokens);
this.raw(node, 'selector', tokens);
this.current = node;
};
_proto.decl = function decl(tokens) {
var node = new _declaration.default();
this.init(node);
var last = tokens[tokens.length - 1];
if (last[0] === ';') {
this.semicolon = true;
tokens.pop();
}
if (last[4]) {
node.source.end = {
line: last[4],
column: last[5]
};
} else {
node.source.end = {
line: last[2],
column: last[3]
};
}
while (tokens[0][0] !== 'word') {
if (tokens.length === 1) this.unknownWord(tokens);
node.raws.before += tokens.shift()[1];
}
node.source.start = {
line: tokens[0][2],
column: tokens[0][3]
};
node.prop = '';
while (tokens.length) {
var type = tokens[0][0];
if (type === ':' || type === 'space' || type === 'comment') {
break;
}
node.prop += tokens.shift()[1];
}
node.raws.between = '';
var token;
while (tokens.length) {
token = tokens.shift();
if (token[0] === ':') {
node.raws.between += token[1];
break;
} else {
if (token[0] === 'word' && /\w/.test(token[1])) {
this.unknownWord([token]);
}
node.raws.between += token[1];
}
}
if (node.prop[0] === '_' || node.prop[0] === '*') {
node.raws.before += node.prop[0];
node.prop = node.prop.slice(1);
}
node.raws.between += this.spacesAndCommentsFromStart(tokens);
this.precheckMissedSemicolon(tokens);
for (var i = tokens.length - 1; i > 0; i--) {
token = tokens[i];
if (token[1].toLowerCase() === '!important') {
node.important = true;
var string = this.stringFrom(tokens, i);
string = this.spacesFromEnd(tokens) + string;
if (string !== ' !important') node.raws.important = string;
break;
} else if (token[1].toLowerCase() === 'important') {
var cache = tokens.slice(0);
var str = '';
for (var j = i; j > 0; j--) {
var _type = cache[j][0];
if (str.trim().indexOf('!') === 0 && _type !== 'space') {
break;
}
str = cache.pop()[1] + str;
}
if (str.trim().indexOf('!') === 0) {
node.important = true;
node.raws.important = str;
tokens = cache;
}
}
if (token[0] !== 'space' && token[0] !== 'comment') {
break;
}
}
this.raw(node, 'value', tokens);
if (node.value.indexOf(':') !== -1) this.checkMissedSemicolon(tokens);
};
_proto.atrule = function atrule(token) {
var node = new _atRule.default();
node.name = token[1].slice(1);
if (node.name === '') {
this.unnamedAtrule(node, token);
}
this.init(node, token[2], token[3]);
var prev;
var shift;
var last = false;
var open = false;
var params = [];
while (!this.tokenizer.endOfFile()) {
token = this.tokenizer.nextToken();
if (token[0] === ';') {
node.source.end = {
line: token[2],
column: token[3]
};
this.semicolon = true;
break;
} else if (token[0] === '{') {
open = true;
break;
} else if (token[0] === '}') {
if (params.length > 0) {
shift = params.length - 1;
prev = params[shift];
while (prev && prev[0] === 'space') {
prev = params[--shift];
}
if (prev) {
node.source.end = {
line: prev[4],
column: prev[5]
};
}
}
this.end(token);
break;
} else {
params.push(token);
}
if (this.tokenizer.endOfFile()) {
last = true;
break;
}
}
node.raws.between = this.spacesAndCommentsFromEnd(params);
if (params.length) {
node.raws.afterName = this.spacesAndCommentsFromStart(params);
this.raw(node, 'params', params);
if (last) {
token = params[params.length - 1];
node.source.end = {
line: token[4],
column: token[5]
};
this.spaces = node.raws.between;
node.raws.between = '';
}
} else {
node.raws.afterName = '';
node.params = '';
}
if (open) {
node.nodes = [];
this.current = node;
}
};
_proto.end = function end(token) {
if (this.current.nodes && this.current.nodes.length) {
this.current.raws.semicolon = this.semicolon;
}
this.semicolon = false;
this.current.raws.after = (this.current.raws.after || '') + this.spaces;
this.spaces = '';
if (this.current.parent) {
this.current.source.end = {
line: token[2],
column: token[3]
};
this.current = this.current.parent;
} else {
this.unexpectedClose(token);
}
};
_proto.endFile = function endFile() {
if (this.current.parent) this.unclosedBlock();
if (this.current.nodes && this.current.nodes.length) {
this.current.raws.semicolon = this.semicolon;
}
this.current.raws.after = (this.current.raws.after || '') + this.spaces;
};
_proto.freeSemicolon = function freeSemicolon(token) {
this.spaces += token[1];
if (this.current.nodes) {
var prev = this.current.nodes[this.current.nodes.length - 1];
if (prev && prev.type === 'rule' && !prev.raws.ownSemicolon) {
prev.raws.ownSemicolon = this.spaces;
this.spaces = '';
}
}
} // Helpers
;
_proto.init = function init(node, line, column) {
this.current.push(node);
node.source = {
start: {
line: line,
column: column
},
input: this.input
};
node.raws.before = this.spaces;
this.spaces = '';
if (node.type !== 'comment') this.semicolon = false;
};
_proto.raw = function raw(node, prop, tokens) {
var token, type;
var length = tokens.length;
var value = '';
var clean = true;
var next, prev;
var pattern = /^([.|#])?([\w])+/i;
for (var i = 0; i < length; i += 1) {
token = tokens[i];
type = token[0];
if (type === 'comment' && node.type === 'rule') {
prev = tokens[i - 1];
next = tokens[i + 1];
if (prev[0] !== 'space' && next[0] !== 'space' && pattern.test(prev[1]) && pattern.test(next[1])) {
value += token[1];
} else {
clean = false;
}
continue;
}
if (type === 'comment' || type === 'space' && i === length - 1) {
clean = false;
} else {
value += token[1];
}
}
if (!clean) {
var raw = tokens.reduce(function (all, i) {
return all + i[1];
}, '');
node.raws[prop] = {
value: value,
raw: raw
};
}
node[prop] = value;
};
_proto.spacesAndCommentsFromEnd = function spacesAndCommentsFromEnd(tokens) {
var lastTokenType;
var spaces = '';
while (tokens.length) {
lastTokenType = tokens[tokens.length - 1][0];
if (lastTokenType !== 'space' && lastTokenType !== 'comment') break;
spaces = tokens.pop()[1] + spaces;
}
return spaces;
};
_proto.spacesAndCommentsFromStart = function spacesAndCommentsFromStart(tokens) {
var next;
var spaces = '';
while (tokens.length) {
next = tokens[0][0];
if (next !== 'space' && next !== 'comment') break;
spaces += tokens.shift()[1];
}
return spaces;
};
_proto.spacesFromEnd = function spacesFromEnd(tokens) {
var lastTokenType;
var spaces = '';
while (tokens.length) {
lastTokenType = tokens[tokens.length - 1][0];
if (lastTokenType !== 'space') break;
spaces = tokens.pop()[1] + spaces;
}
return spaces;
};
_proto.stringFrom = function stringFrom(tokens, from) {
var result = '';
for (var i = from; i < tokens.length; i++) {
result += tokens[i][1];
}
tokens.splice(from, tokens.length - from);
return result;
};
_proto.colon = function colon(tokens) {
var brackets = 0;
var token, type, prev;
for (var i = 0; i < tokens.length; i++) {
token = tokens[i];
type = token[0];
if (type === '(') {
brackets += 1;
}
if (type === ')') {
brackets -= 1;
}
if (brackets === 0 && type === ':') {
if (!prev) {
this.doubleColon(token);
} else if (prev[0] === 'word' && prev[1] === 'progid') {
continue;
} else {
return i;
}
}
prev = token;
}
return false;
} // Errors
;
_proto.unclosedBracket = function unclosedBracket(bracket) {
throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
};
_proto.unknownWord = function unknownWord(tokens) {
throw this.input.error('Unknown word', tokens[0][2], tokens[0][3]);
};
_proto.unexpectedClose = function unexpectedClose(token) {
throw this.input.error('Unexpected }', token[2], token[3]);
};
_proto.unclosedBlock = function unclosedBlock() {
var pos = this.current.source.start;
throw this.input.error('Unclosed block', pos.line, pos.column);
};
_proto.doubleColon = function doubleColon(token) {
throw this.input.error('Double colon', token[2], token[3]);
};
_proto.unnamedAtrule = function unnamedAtrule(node, token) {
throw this.input.error('At-rule without name', token[2], token[3]);
};
_proto.precheckMissedSemicolon = function precheckMissedSemicolon()
/* tokens */
{// Hook for Safe Parser
};
_proto.checkMissedSemicolon = function checkMissedSemicolon(tokens) {
var colon = this.colon(tokens);
if (colon === false) return;
var founded = 0;
var token;
for (var j = colon - 1; j >= 0; j--) {
token = tokens[j];
if (token[0] !== 'space') {
founded += 1;
if (founded === 2) break;
}
}
throw this.input.error('Missed semicolon', token[2], token[3]);
};
return Parser;
}();
exports.default = Parser;
module.exports = exports.default;
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