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harttle
2016-06-18 23:18:46 +08:00
parent b478c798fd
commit 4595e2872e
21 changed files with 627 additions and 211 deletions
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lexical.js
+27 -18
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@@ -1,33 +1,43 @@
const _ = require('lodash');
// quote related
var singleQuoted = /'[^']*'/;
var doubleQuoted = /"[^"]*"/;
var quoteBalanced = new RegExp(`(?:${singleQuoted.source}|${doubleQuoted.source}|[^'"])*`);
var number = /-?\d+\.?\d*|\.?\d+/;
var number = /(?:-?\d+\.?\d*|\.?\d+)/;
var bool = /true|false/i;
var identifier = /[a-zA-Z_$][a-zA-Z_$0-9]*/;
var subscript = /\[\d+\]/;
var quoted = new RegExp(`${singleQuoted.source}|${doubleQuoted.source}`);
var literal = new RegExp(`${quoted.source}|${bool.source}|${number.source}`, 'i');
var quoted = new RegExp(`(?:${singleQuoted.source}|${doubleQuoted.source})`);
var literal = new RegExp(`(?:${quoted.source}|${bool.source}|${number.source})`, 'i');
var variable = new RegExp(`${identifier.source}(?:\\.${identifier.source}|${subscript.source})*`);
var value = new RegExp(`${literal.source}|${variable.source}`, 'i');
var range = new RegExp(`\\((?:${value.source})\\.\\.(?:${value.source})\\)`);
var rangeCapture = new RegExp(`\\((${value.source})\\.\\.(${value.source})\\)`);
var variableOrRange = new RegExp(`${variable.source}|${range.source}`);
// range related
var rangeLimit = new RegExp(`(?:${variable.source}|${number.source})`);
var range = new RegExp(`\\(${rangeLimit.source}\\.\\.${rangeLimit.source}\\)`);
var rangeCapture = new RegExp(`\\((${rangeLimit.source})\\.\\.(${rangeLimit.source})\\)`);
var value = new RegExp(`(?:${literal.source}|${variable.source}|${range.source})`, 'i');
// hash related
var hash = new RegExp(`(?:${identifier.source})\\s*:\\s*(?:${value.source})`, 'g');
var hashCapture = new RegExp(`(${identifier.source})\\s*:\\s*(${value.source})`, 'g');
var filter = new RegExp(`(${identifier.source})(?:\\s*:\\s*(${value.source}))?`);
var quoteBalanced = new RegExp(`(?:${singleQuoted.source}|${doubleQuoted.source}|[^'"])*`);
var tagLine = new RegExp(`^\\s*(${identifier.source})\\s*(.*)\\s*$`);
var literalLine = new RegExp(`^(?:${literal.source})$`, 'i');
var variableLine = new RegExp(`^(?:${variable.source})$`);
var numberLine = new RegExp(`^(?:${number.source})$`);
var boolLine = new RegExp(`^(?:${bool.source})$`, 'i');
var quotedLine = new RegExp(`^(?:${quoted.source})$`);
var rangeLine = new RegExp(`^(?:${rangeCapture.source})$`);
var filterLine = new RegExp(`^(?:${filter.source})$`);
var literalLine = new RegExp(`^${literal.source}$`, 'i');
var variableLine = new RegExp(`^${variable.source}$`);
var numberLine = new RegExp(`^${number.source}$`);
var boolLine = new RegExp(`^${bool.source}$`, 'i');
var quotedLine = new RegExp(`^${quoted.source}$`);
var rangeLine = new RegExp(`^${rangeCapture.source}$`);
// filter related
var valueList = new RegExp(`${value.source}(\\s*,\\s*${value.source})*`);
var filter = new RegExp(`${identifier.source}(?:\\s*:\\s*${valueList.source})?`, 'g');
var filterCapture = new RegExp(`(${identifier.source})(?:\\s*:\\s*(${valueList.source}))?`);
var filterLine = new RegExp(`^${filterCapture.source}$`);
var operators = [
/\s+or\s+/,
@@ -35,7 +45,6 @@ var operators = [
/==|!=|<=|>=|<|>|\s+contains\s+/
];
function isLiteral(str) {
return literalLine.test(str);
}
@@ -64,7 +73,7 @@ function parseLiteral(str) {
module.exports = {
quoted, number, bool, literal, filter,
hash, hashCapture,
range, rangeCapture, variableOrRange,
range, rangeCapture,
identifier, value, quoteBalanced, operators,
quotedLine, numberLine, boolLine, rangeLine, literalLine, filterLine, tagLine,
isLiteral, isVariable, parseLiteral, isRange