libxmljs
Version:
libxml bindings for v8 javascript engine
266 lines • 12.4 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseXmlAsync = exports.parseHtmlAsync = exports.parseHtml = exports.parseXml = void 0;
var bindings_1 = require("./bindings");
var types_1 = require("./types");
var functions_1 = require("./bindings/functions");
var document_1 = require("./document");
var node_1 = require("./node");
var htmlOptionsToFlags = function (options) {
var flags = [];
if (types_1.DEFAULT_HTML_PARSE_OPTIONS.flags) {
types_1.DEFAULT_HTML_PARSE_OPTIONS.flags.forEach(function (flag) {
if (flags.indexOf(flag) === -1) {
flags.push(flag);
}
});
}
if (options.flags) {
options.flags.forEach(function (flag) {
if (flags.indexOf(flag) === -1) {
flags.push(flag);
}
});
}
if (options.implied === false && flags.indexOf(types_1.HTMLParseFlags.HTML_PARSE_NOIMPLIED) === -1) {
flags.push(types_1.HTMLParseFlags.HTML_PARSE_NOIMPLIED);
}
if (options.doctype === false && flags.indexOf(types_1.HTMLParseFlags.HTML_PARSE_NODEFDTD) === -1) {
flags.push(types_1.HTMLParseFlags.HTML_PARSE_NODEFDTD);
}
return flagsToInt(flags);
};
var xmlProcessDeprecatedOpts = function (flags, targetFlag, option, deprecatedOptions) {
var deprecatedOption = deprecatedOptions.filter(function (deprecatedOption) { return deprecatedOption.value !== undefined; })[0];
if (deprecatedOption) {
console.error("XMLParseOption `".concat(deprecatedOption.name, "` is deprecated. Please use `").concat(option.name, "` instead."));
if (deprecatedOption.value === deprecatedOption.includeFlagIfValueEquals) {
flags.push(targetFlag);
}
else if (flags.indexOf(targetFlag) !== -1) {
return flags.filter(function (sourceFlag) { return sourceFlag !== targetFlag; });
}
}
else if (option.value !== undefined) {
if (option.value === option.includeFlagIfValueEquals) {
flags.push(targetFlag);
}
else if (flags.indexOf(targetFlag) !== -1) {
return flags.filter(function (sourceFlag) { return sourceFlag !== targetFlag; });
}
}
return flags;
};
var xmlOptionsToFlags = function (options) {
var flags = [];
if (types_1.DEFAULT_XML_PARSE_OPTIONS.flags) {
types_1.DEFAULT_XML_PARSE_OPTIONS.flags.forEach(function (flag) {
if (flags.indexOf(flag) === -1) {
flags.push(flag);
}
});
}
if (options.flags) {
options.flags.forEach(function (flag) {
if (flags.indexOf(flag) === -1) {
flags.push(flag);
}
});
}
if (options.recover === true && flags.indexOf(types_1.XMLParseFlags.XML_PARSE_RECOVER) === -1) {
flags.push(types_1.XMLParseFlags.XML_PARSE_RECOVER);
}
flags = xmlProcessDeprecatedOpts(flags, types_1.XMLParseFlags.XML_PARSE_NOCDATA, {
name: "preserveCDATA",
value: options.preserveCDATA,
includeFlagIfValueEquals: false,
}, [
{
name: "cdata",
value: options.cdata,
includeFlagIfValueEquals: false,
},
{
name: "nocdata",
value: options.nocdata,
includeFlagIfValueEquals: true,
},
]);
flags = xmlProcessDeprecatedOpts(flags, types_1.XMLParseFlags.XML_PARSE_NOENT, {
name: "replaceEntities",
value: options.replaceEntities,
includeFlagIfValueEquals: true,
}, [
{
name: "noent",
value: options.noent,
includeFlagIfValueEquals: true,
},
]);
flags = xmlProcessDeprecatedOpts(flags, types_1.XMLParseFlags.XML_PARSE_NOBLANKS, {
name: "preserveWhitespace",
value: options.preserveWhitespace,
includeFlagIfValueEquals: false,
}, [
{
name: "blanks",
value: options.blanks,
includeFlagIfValueEquals: false,
},
{
name: "noblanks",
value: options.noblanks,
includeFlagIfValueEquals: true,
},
]);
flags = xmlProcessDeprecatedOpts(flags, types_1.XMLParseFlags.XML_PARSE_DTDVALID, {
name: "validateEntities",
value: options.validateEntities,
includeFlagIfValueEquals: true,
}, [
{
name: "dtdvalid",
value: options.dtdvalid,
includeFlagIfValueEquals: true,
},
]);
flags = xmlProcessDeprecatedOpts(flags, types_1.XMLParseFlags.XML_PARSE_DTDATTR, {
name: "validateAttributes",
value: options.preserveWhitespace,
includeFlagIfValueEquals: true,
}, [
{
name: "dtdattr",
value: options.dtdattr,
includeFlagIfValueEquals: true,
},
]);
return flagsToInt(flags);
};
var flagsToInt = function (array) {
var options = 0;
array.forEach(function (v) {
options += v;
});
return options;
};
var parseXml = function (buffer, options) {
if (options === void 0) { options = types_1.DEFAULT_XML_PARSE_OPTIONS; }
return (0, functions_1.withStructuredErrors)(function (structuredErrors) {
var _docRef = (0, functions_1.xmlReadMemory)(buffer, typeof buffer === "string" ? Buffer.byteLength(buffer) : buffer.length, options.baseUrl || types_1.DEFAULT_XML_PARSE_OPTIONS.baseUrl || "", options.encoding || (typeof buffer === "string" ? "UTF-8" : null), xmlOptionsToFlags(options));
if (!_docRef) {
var error = (0, functions_1.xmlGetLastError)();
if (error) {
throw new types_1.XMLStructuredError({
domain: error.domain,
code: error.code,
message: "".concat(error.message.trim(), " (Line: ").concat(error.line, ", Column: ").concat(error.int2, ")"),
level: error.level,
column: error.int2,
file: error.file,
line: error.line,
str1: error.str1,
str2: error.str2,
str3: error.str3,
int1: error.int1,
});
}
throw new Error("Could not parse XML string");
}
if (!(0, functions_1.xmlDocHasRootElement)(_docRef)) {
throw new Error("parsed document has no root element");
}
var document = (0, bindings_1.createXMLReferenceOrThrow)(document_1.XMLDocument, _docRef, node_1.XMLNodeError.NO_REF);
document.errors = structuredErrors;
return document;
});
};
exports.parseXml = parseXml;
var parseHtml = function (buffer, options) {
if (options === void 0) { options = {}; }
return (0, functions_1.withStructuredErrors)(function (structuredErrors) {
var document = (0, bindings_1.createXMLReferenceOrThrow)(document_1.HTMLDocument, (0, functions_1.htmlReadMemory)(buffer, typeof buffer === "string" ? Buffer.byteLength(buffer) : buffer.length, options.url || types_1.DEFAULT_HTML_PARSE_OPTIONS.url || "", options.encoding || (typeof buffer === "string" ? "UTF-8" : null), htmlOptionsToFlags(options)), node_1.XMLNodeError.NO_REF);
document.errors = structuredErrors;
return document;
});
};
exports.parseHtml = parseHtml;
var parseHtmlAsync = function (buffer, options) {
if (options === void 0) { options = types_1.DEFAULT_HTML_PARSE_OPTIONS; }
return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, new Promise(function (resolve, reject) {
(0, functions_1.fromBufferAsync)(types_1.FROM_BUFFER_ASYNC_TYPE.HTML, buffer, typeof buffer === "string" ? Buffer.byteLength(buffer) : buffer.length, options.url || types_1.DEFAULT_HTML_PARSE_OPTIONS.url || "", options.encoding || types_1.DEFAULT_HTML_PARSE_OPTIONS.encoding || "", htmlOptionsToFlags(options), function (error, document) {
if (error) {
reject(error);
}
else if (document === null) {
reject(new Error(types_1.XMLDocumentError.NO_REF));
}
else {
resolve((0, bindings_1.createXMLReferenceOrThrow)(document_1.HTMLDocument, document, types_1.XMLDocumentError.NO_REF));
}
});
})];
});
});
};
exports.parseHtmlAsync = parseHtmlAsync;
var parseXmlAsync = function (buffer, options) {
if (options === void 0) { options = types_1.DEFAULT_XML_PARSE_OPTIONS; }
return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, new Promise(function (resolve, reject) {
(0, functions_1.fromBufferAsync)(types_1.FROM_BUFFER_ASYNC_TYPE.XML, buffer, typeof buffer === "string" ? Buffer.byteLength(buffer) : buffer.length, options.url || types_1.DEFAULT_XML_PARSE_OPTIONS.url || "", options.encoding || types_1.DEFAULT_XML_PARSE_OPTIONS.encoding || "", xmlOptionsToFlags(options), function (error, document) {
if (error) {
reject(error);
}
else if (document === null) {
reject(new Error(types_1.XMLDocumentError.NO_REF));
}
else {
resolve((0, bindings_1.createXMLReferenceOrThrow)(document_1.XMLDocument, document, types_1.XMLDocumentError.NO_REF));
}
});
})];
});
});
};
exports.parseXmlAsync = parseXmlAsync;
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