wxappb2b/GuangZuan/node_modules/@miniprogram-i18n/compile/parser/wxml-parser.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Text = exports.Element = exports.AttributeValue = exports.Node = void 0;
var types_1 = require("./types");
var parser_1 = __importDefault(require("./parser"));
var utils_1 = require("./utils");
var Node = /** @class */ (function () {
    function Node(tagName) {
        this.tagName = tagName;
    }
    Node.prototype.dump = function () {
        return { type: this.tagName };
    };
    return Node;
}());
exports.Node = Node;
var AttributeValue = /** @class */ (function () {
    function AttributeValue(value, start, end) {
        this.value = value;
        this.start = start;
        this.end = end;
    }
    return AttributeValue;
}());
exports.AttributeValue = AttributeValue;
var Element = /** @class */ (function (_super) {
    __extends(Element, _super);
    function Element(tagName, attributes, children) {
        var _this = _super.call(this, tagName) || this;
        _this.attributes = attributes;
        _this.children = children;
        return _this;
    }
    Element.prototype.dump = function () {
        var e_1, _a;
        var attributes = {};
        if (this.attributes) {
            try {
                for (var _b = __values(this.attributes), _c = _b.next(); !_c.done; _c = _b.next()) {
                    var _d = __read(_c.value, 2), key = _d[0], value = _d[1];
                    if (value && value.value) {
                        attributes[key] = value.value;
                    }
                    else {
                        attributes[key] = null;
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                }
                finally { if (e_1) throw e_1.error; }
            }
        }
        var children = this.children.map(function (child) { return child.dump(); });
        return { type: this.tagName, attributes: attributes, children: children };
    };
    return Element;
}(Node));
exports.Element = Element;
var Text = /** @class */ (function (_super) {
    __extends(Text, _super);
    function Text(content, start, end) {
        var _this = _super.call(this, Text.tagName) || this;
        _this.content = content;
        _this.start = start;
        _this.end = end;
        return _this;
    }
    Text.prototype.dump = function () {
        return { type: this.tagName, content: this.content };
    };
    Text.tagName = 'text';
    return Text;
}(Node));
exports.Text = Text;
/**
 * Simple wxml parser
 */
var WxmlParser = /** @class */ (function (_super) {
    __extends(WxmlParser, _super);
    function WxmlParser(source, fileName) {
        if (fileName === void 0) { fileName = ''; }
        var _this = _super.call(this, source, fileName) || this;
        _this.source = source;
        _this.fileName = fileName;
        _this.state = 1 /* NORMAL */;
        return _this;
    }
    WxmlParser.prototype.parse = function () {
        try {
            var nodes = this._parse();
            return nodes;
        }
        catch (e) {
            if (this.fileName) {
                e.message += "\nfile: " + this.fileName;
            }
            e.message += "\nline: " + this.line + ", column: " + this.column + "\n\n" + this.currentContext();
            throw e;
        }
    };
    WxmlParser.prototype._parse = function () {
        var nodes = [];
        while (!this.eof()) {
            this.consumeWhitespace();
            if (this.match(60 /* LESS_THAN */) && this.match(47 /* SLASH */, this.pos + 1)) {
                break;
            }
            // Ignore comments
            if (this.match(60 /* LESS_THAN */, this.pos) &&
                this.match(33 /* EXCLAMATION */, this.pos + 1) &&
                this.match(45 /* MINUS */, this.pos + 2) &&
                this.match(45 /* MINUS */, this.pos + 3)) {
                this.advance(4);
                this.parseComments();
                continue;
            }
            if (this.match(60 /* LESS_THAN */)) {
                var node = this.parseWxmlTag();
                nodes.push(node);
                continue;
            }
            var textNode = this.parseText();
            if (textNode.content.length > 0)
                nodes.push(textNode);
        }
        return nodes;
    };
    WxmlParser.prototype.parseWxmlTag = function () {
        if (this.consumeChar() !== 60 /* LESS_THAN */) {
            throw new Error('unexpected character for wxml start tag');
        }
        this.consumeWhitespace();
        var tagName = this.parseTagName();
        if (!tagName || tagName.length === 0) {
            throw new Error("unexpected tag name " + this.currentChar());
        }
        var attributes = this.parseAttributes();
        // self-closing tag
        if (this.match(47 /* SLASH */)) {
            this.advance();
            if (this.consumeChar() !== 62 /* GREATER_THAN */) {
                throw new Error('unexpected character ' + this.currentChar());
            }
            return new Element(tagName, attributes, []);
        }
        if (this.consumeChar() !== 62 /* GREATER_THAN */) {
            throw new Error('expected character > to close a tag');
        }
        if (tagName.toLowerCase() === types_1.WXS_LITERAL) {
            this.state = 2 /* WXS */;
        }
        var childNodes = this.parse();
        if (this.consumeChar() !== 60 /* LESS_THAN */) {
            throw new Error('expected char ' + String.fromCharCode(60 /* LESS_THAN */) + ' but got ' + this.currentChar());
        }
        if (this.consumeChar() !== 47 /* SLASH */) {
            throw new Error('expected char ' + String.fromCharCode(47 /* SLASH */) + ' but got ' + this.currentChar());
        }
        this.consumeWhitespace();
        var endTagName = this.parseTagName();
        if (endTagName !== tagName) {
            throw new Error("expected tag name " + tagName + " but got " + endTagName);
        }
        this.consumeWhitespace();
        if (!this.match(62 /* GREATER_THAN */)) {
            throw new Error('expected char ' + String.fromCharCode(62 /* GREATER_THAN */) + ' but got ' + this.currentChar());
        }
        this.advance();
        if (tagName.toLowerCase() === types_1.WXS_LITERAL) {
            this.state = 1 /* NORMAL */;
        }
        return new Element(tagName, attributes, childNodes);
    };
    WxmlParser.prototype.parseText = function () {
        var start = this.pos;
        if (this.state === 2 /* WXS */) {
            while (!this.eof() && !(this.match(60 /* LESS_THAN */) && this.match(47 /* SLASH */, this.pos + 1))) {
                if (!this.consumeQuoteString() && !this.consumeWXSComments()) {
                    this.advance();
                }
            }
            return new Text(this.source.substring(start, this.pos), start, this.pos);
        }
        return new Text(this.parseTextContents(), start, this.pos);
    };
    WxmlParser.prototype.parseTextContents = function () {
        var result = [];
        while (!this.eof() && (!this.match(60 /* LESS_THAN */) || this.state === 4 /* INT */)) {
            if (this.match(123 /* LEFT_CURLY_BRACE */) && this.match(123 /* LEFT_CURLY_BRACE */, this.pos + 1)) {
                this.state = 4 /* INT */;
            }
            if (this.match(125 /* RIGHT_CURLY_BRACE */) && this.match(125 /* RIGHT_CURLY_BRACE */, this.pos + 1)) {
                this.state = 1 /* NORMAL */;
            }
            var quoteStringRef = { result: '' };
            if (this.consumeQuoteString(quoteStringRef)) {
                result.push(quoteStringRef.result);
                continue;
            }
            var ch = this.source[this.pos];
            result.push(ch);
            this.advance();
        }
        return result.join('');
    };
    /**
     * Ignore comments
     */
    WxmlParser.prototype.parseComments = function () {
        while (!this.eof()) {
            if (this.match(45 /* MINUS */, this.pos) &&
                this.match(45 /* MINUS */, this.pos + 1) &&
                this.match(62 /* GREATER_THAN */, this.pos + 2)) {
                this.advance(3);
                return;
            }
            this.advance();
        }
    };
    WxmlParser.prototype.parseTagName = function () {
        // loosy check
        // TODO: prevent number as first letter
        return this.consumeWhile(function (c) { return utils_1.isLetter(c) || utils_1.isNumber(c); });
    };
    WxmlParser.prototype.parseAttributeName = function () {
        // loosy check
        // TODO: prevent number as first letter
        // Note: can have colon (:) in between
        return this.consumeWhile(function (c) { return utils_1.isLetter(c) || utils_1.isNumber(c) || c === 58 /* COLON */; });
    };
    WxmlParser.prototype.parseAttributes = function () {
        var attrs = new Map();
        while (!this.eof()) {
            this.consumeWhitespace();
            if (this.match(47 /* SLASH */) || this.match(62 /* GREATER_THAN */))
                break;
            if (!utils_1.isLetter(this.peekCharCode()) && !this.match(58 /* COLON */))
                break;
            var _a = this.parseAttribute(), name = _a.name, value = _a.value;
            attrs.set(name, value);
        }
        return attrs;
    };
    WxmlParser.prototype.parseAttribute = function () {
        var name = this.parseAttributeName();
        this.consumeWhitespace();
        if (!this.match(61 /* EQUALS */)) {
            return { name: name, value: null };
        }
        this.advance();
        this.consumeWhitespace();
        var value = this.parseAttrValue();
        return { name: name, value: value };
    };
    WxmlParser.prototype.parseAttrValue = function () {
        var leftQuote = this.consumeChar();
        var start = this.pos;
        if (leftQuote !== 39 /* SINGLE_QUOTE */ && leftQuote !== 34 /* DOUBLE_QUOTE */) {
            throw new Error("expected char " + String.fromCharCode(39 /* SINGLE_QUOTE */) + " or " + String.fromCharCode(34 /* DOUBLE_QUOTE */) + " " +
                ("but got " + String.fromCharCode(leftQuote)));
        }
        var value = this.consumeWhile(function (ch) { return ch !== leftQuote; });
        var end = this.pos;
        if (this.consumeChar() !== leftQuote) {
            throw new Error('expected char ' + String.fromCharCode(leftQuote) + ' to close an attribute');
        }
        var attribute = new AttributeValue(value, start, end);
        return attribute;
    };
    WxmlParser.prototype.consumeWXSComments = function () {
        if (this.match(47 /* SLASH */) && this.match(47 /* SLASH */, this.pos + 1)) {
            while (!this.eof()) {
                if (this.match(10 /* LINE_FEED */)) {
                    this.advance();
                    break;
                }
                if (this.match(13 /* CARRIAGE_RETURN */) && this.match(10 /* LINE_FEED */)) {
                    this.advance(2);
                    break;
                }
                // If no line end is met we should end at this point
                if (this.match(60 /* LESS_THAN */) && this.match(47 /* SLASH */, this.pos + 1)) {
                    return false;
                }
                this.advance();
            }
            return true;
        }
        else if (this.match(47 /* SLASH */) && this.match(42 /* ASTERISK */, this.pos + 1)) {
            while (!this.eof()) {
                if (this.match(42 /* ASTERISK */) && this.match(47 /* SLASH */, this.pos + 1)) {
                    this.advance(2);
                    break;
                }
                this.advance();
            }
            return true;
        }
        return false;
    };
    return WxmlParser;
}(parser_1.default));
exports.default = WxmlParser;