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keksAccountGUI/node_modulesOLD/css-tree/lib/lexer/search.js

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2019-08-11 18:48:02 +00:00
var List = require('../common/List');
function getFirstMatchNode(matchNode) {
if ('node' in matchNode) {
return matchNode.node;
}
return getFirstMatchNode(matchNode.match[0]);
}
function getLastMatchNode(matchNode) {
if ('node' in matchNode) {
return matchNode.node;
}
return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);
}
function matchFragments(lexer, ast, match, type, name) {
function findFragments(matchNode) {
if (matchNode.syntax !== null &&
matchNode.syntax.type === type &&
matchNode.syntax.name === name) {
var start = getFirstMatchNode(matchNode);
var end = getLastMatchNode(matchNode);
lexer.syntax.walk(ast, function(node, item, list) {
if (node === start) {
var nodes = new List();
do {
nodes.appendData(item.data);
if (item.data === end) {
break;
}
item = item.next;
} while (item !== null);
fragments.push({
parent: list,
nodes: nodes
});
}
});
}
if (Array.isArray(matchNode.match)) {
matchNode.match.forEach(findFragments);
}
}
var fragments = [];
if (match.matched !== null) {
findFragments(match.matched);
}
return fragments;
}
module.exports = {
matchFragments: matchFragments
};