first commit

build/node_modules/postcss-selector-parser/dist/tokenize.js

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+'use strict';
+
+exports.__esModule = true;
+exports.default = tokenize;
+var singleQuote = 39,
+    doubleQuote = 34,
+    backslash = 92,
+    slash = 47,
+    newline = 10,
+    space = 32,
+    feed = 12,
+    tab = 9,
+    cr = 13,
+    plus = 43,
+    gt = 62,
+    tilde = 126,
+    pipe = 124,
+    comma = 44,
+    openBracket = 40,
+    closeBracket = 41,
+    openSq = 91,
+    closeSq = 93,
+    semicolon = 59,
+    asterisk = 42,
+    colon = 58,
+    ampersand = 38,
+    at = 64,
+    atEnd = /[ \n\t\r\{\(\)'"\\;/]/g,
+    wordEnd = /[ \n\t\r\(\)\*:;@!&'"\+\|~>,\[\]\\]|\/(?=\*)/g;
+
+function tokenize(input) {
+    var tokens = [];
+    var css = input.css.valueOf();
+
+    var code = void 0,
+        next = void 0,
+        quote = void 0,
+        lines = void 0,
+        last = void 0,
+        content = void 0,
+        escape = void 0,
+        nextLine = void 0,
+        nextOffset = void 0,
+        escaped = void 0,
+        escapePos = void 0;
+
+    var length = css.length;
+    var offset = -1;
+    var line = 1;
+    var pos = 0;
+
+    var unclosed = function unclosed(what, end) {
+        if (input.safe) {
+            css += end;
+            next = css.length - 1;
+        } else {
+            throw input.error('Unclosed ' + what, line, pos - offset, pos);
+        }
+    };
+
+    while (pos < length) {
+        code = css.charCodeAt(pos);
+
+        if (code === newline) {
+            offset = pos;
+            line += 1;
+        }
+
+        switch (code) {
+            case newline:
+            case space:
+            case tab:
+            case cr:
+            case feed:
+                next = pos;
+                do {
+                    next += 1;
+                    code = css.charCodeAt(next);
+                    if (code === newline) {
+                        offset = next;
+                        line += 1;
+                    }
+                } while (code === space || code === newline || code === tab || code === cr || code === feed);
+
+                tokens.push(['space', css.slice(pos, next), line, pos - offset, pos]);
+                pos = next - 1;
+                break;
+
+            case plus:
+            case gt:
+            case tilde:
+            case pipe:
+                next = pos;
+                do {
+                    next += 1;
+                    code = css.charCodeAt(next);
+                } while (code === plus || code === gt || code === tilde || code === pipe);
+                tokens.push(['combinator', css.slice(pos, next), line, pos - offset, pos]);
+                pos = next - 1;
+                break;
+
+            case asterisk:
+                tokens.push(['*', '*', line, pos - offset, pos]);
+                break;
+
+            case ampersand:
+                tokens.push(['&', '&', line, pos - offset, pos]);
+                break;
+
+            case comma:
+                tokens.push([',', ',', line, pos - offset, pos]);
+                break;
+
+            case openSq:
+                tokens.push(['[', '[', line, pos - offset, pos]);
+                break;
+
+            case closeSq:
+                tokens.push([']', ']', line, pos - offset, pos]);
+                break;
+
+            case colon:
+                tokens.push([':', ':', line, pos - offset, pos]);
+                break;
+
+            case semicolon:
+                tokens.push([';', ';', line, pos - offset, pos]);
+                break;
+
+            case openBracket:
+                tokens.push(['(', '(', line, pos - offset, pos]);
+                break;
+
+            case closeBracket:
+                tokens.push([')', ')', line, pos - offset, pos]);
+                break;
+
+            case singleQuote:
+            case doubleQuote:
+                quote = code === singleQuote ? "'" : '"';
+                next = pos;
+                do {
+                    escaped = false;
+                    next = css.indexOf(quote, next + 1);
+                    if (next === -1) {
+                        unclosed('quote', quote);
+                    }
+                    escapePos = next;
+                    while (css.charCodeAt(escapePos - 1) === backslash) {
+                        escapePos -= 1;
+                        escaped = !escaped;
+                    }
+                } while (escaped);
+
+                tokens.push(['string', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            case at:
+                atEnd.lastIndex = pos + 1;
+                atEnd.test(css);
+                if (atEnd.lastIndex === 0) {
+                    next = css.length - 1;
+                } else {
+                    next = atEnd.lastIndex - 2;
+                }
+                tokens.push(['at-word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            case backslash:
+                next = pos;
+                escape = true;
+                while (css.charCodeAt(next + 1) === backslash) {
+                    next += 1;
+                    escape = !escape;
+                }
+                code = css.charCodeAt(next + 1);
+                if (escape && code !== slash && code !== space && code !== newline && code !== tab && code !== cr && code !== feed) {
+                    next += 1;
+                }
+                tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            default:
+                if (code === slash && css.charCodeAt(pos + 1) === asterisk) {
+                    next = css.indexOf('*/', pos + 2) + 1;
+                    if (next === 0) {
+                        unclosed('comment', '*/');
+                    }
+
+                    content = css.slice(pos, next + 1);
+                    lines = content.split('\n');
+                    last = lines.length - 1;
+
+                    if (last > 0) {
+                        nextLine = line + last;
+                        nextOffset = next - lines[last].length;
+                    } else {
+                        nextLine = line;
+                        nextOffset = offset;
+                    }
+
+                    tokens.push(['comment', content, line, pos - offset, nextLine, next - nextOffset, pos]);
+
+                    offset = nextOffset;
+                    line = nextLine;
+                    pos = next;
+                } else {
+                    wordEnd.lastIndex = pos + 1;
+                    wordEnd.test(css);
+                    if (wordEnd.lastIndex === 0) {
+                        next = css.length - 1;
+                    } else {
+                        next = wordEnd.lastIndex - 2;
+                    }
+
+                    tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                    pos = next;
+                }
+
+                break;
+        }
+
+        pos++;
+    }
+
+    return tokens;
+}
+module.exports = exports['default'];