sphinxql/build/src/Statements/statement_expressions/MatchStatement.js

SphinxQL query builder for Node.JS. Supports Sphinx search(2.x and 3.x) and Manticore search

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
require('es7-object-polyfill');
var MatchStatement = (function () {
    function MatchStatement() {
        this.escapeChars = {
            '\\': '\\\\',
            '(': '\(',
            ')': '\)',
            '!': '\!',
            '@': '\@',
            '~': '\~',
            '&': '\&',
            '/': '\/',
            '^': '\^',
            '$': '\$',
            '=': '\=',
            '<': '\<'
        };
        this.parts = [];
    }
    MatchStatement.prototype.getParts = function () {
        return this.parts;
    };
    MatchStatement.prototype.escapeSpecialChars = function (value) {
        var newEscapedValue = value;
        for (var _i = 0, _a = Object.entries(this.escapeChars); _i < _a.length; _i++) {
            var _b = _a[_i], key = _b[0], value_1 = _b[1];
            newEscapedValue = newEscapedValue.replace(key, value_1);
        }
        return newEscapedValue;
    };
    MatchStatement.prototype.match = function (fields, value, escapeValue) {
        if (escapeValue === void 0) { escapeValue = true; }
        var part = {
            logicalLeftRelation: ' ',
            fields: fields,
            value: value,
            escapeValue: escapeValue
        };
        this.parts = tslib_1.__spreadArrays(this.parts, [part]);
    };
    MatchStatement.prototype.orMatch = function (fields, value, escapeValue) {
        if (escapeValue === void 0) { escapeValue = true; }
        if (!this.parts.length) {
            throw Error('OR statement can\'t be used at the beginning of a MATCH expression');
        }
        var part = {
            logicalLeftRelation: ' | ',
            fields: fields,
            value: value,
            escapeValue: escapeValue
        };
        this.parts = tslib_1.__spreadArrays(this.parts, [part]);
    };
    MatchStatement.prototype.build = function () {
        var expression = '\'';
        for (var i = 0, length_1 = this.parts.length; i < length_1; i++) {
            var _a = this.parts[i], logicalLeftRelation = _a.logicalLeftRelation, fields = _a.fields, value = _a.value, escapeValue = _a.escapeValue;
            if (i === 0) {
                expression += "(" + this.buildFields(fields) + this.buildValues(value, escapeValue) + ")";
            }
            else {
                expression += logicalLeftRelation;
                expression += "(" + this.buildFields(fields) + this.buildValues(value, escapeValue) + ")";
            }
        }
        expression += '\'';
        return expression;
    };
    MatchStatement.prototype.buildFields = function (fields) {
        var expression = '';
        if (fields !== undefined) {
            if (typeof fields === 'string') {
                expression += "@" + fields + " ";
            }
            else {
                if (fields[0] === '!') {
                    expression += "@!(" + fields.slice(1).join(',') + ") ";
                }
                else {
                    expression += "@(" + fields.join(',') + ") ";
                }
            }
        }
        return expression;
    };
    MatchStatement.prototype.buildValues = function (value, escapeValue) {
        return escapeValue ? this.escapeSpecialChars(value) : value;
    };
    return MatchStatement;
}());
exports.default = MatchStatement;
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