@npmstuff/argdown-core
Version:
A pluggable parser for the Argdown argumentation syntax
97 lines • 4.47 kB
JavaScript
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ParserPlugin = void 0;
const argdownLexer = __importStar(require("../lexer"));
const parser_1 = require("../parser");
const ArgdownPluginError_1 = require("../ArgdownPluginError");
const chevrotain_1 = require("chevrotain");
const lodash_last_1 = __importDefault(require("lodash.last"));
const utils_1 = require("../utils");
const lodash_defaultsdeep_1 = __importDefault(require("lodash.defaultsdeep"));
const defaultSettings = {
throwExceptions: false
};
class ParserPlugin {
constructor(config) {
this.name = "ParserPlugin";
this.defaults = {};
this.getSettings = (request) => {
if (!(0, utils_1.isObject)(request.parser)) {
request.parser = {};
}
return request.parser;
};
this.prepare = request => {
(0, utils_1.mergeDefaults)(this.getSettings(request), this.defaults);
};
this.defaults = (0, lodash_defaultsdeep_1.default)({}, config, defaultSettings);
}
run(request, response, logger) {
if (!request.input) {
throw new ArgdownPluginError_1.ArgdownPluginError(this.name, "missing-input-request-field", "No input field in request.");
}
const settings = this.getSettings(request);
let lexResult = argdownLexer.tokenize(request.input);
response.tokens = lexResult.tokens;
response.lexerErrors = lexResult.errors;
parser_1.parser.input = lexResult.tokens;
response.ast = parser_1.parser.argdown();
response.parserErrors = parser_1.parser.errors;
if (response.lexerErrors && response.lexerErrors.length > 0) {
if (settings.throwExceptions) {
throw new ArgdownPluginError_1.ArgdownPluginError(this.name, "lexer-error", JSON.stringify(response.lexerErrors));
}
else {
logger.log("verbose", "[ParserPlugin]: Lexer returned errors.\n" +
JSON.stringify(response.lexerErrors));
}
}
if (response.parserErrors && response.parserErrors.length > 0) {
var lastToken = (0, lodash_last_1.default)(response.tokens);
for (let error of response.parserErrors) {
if (error.token && (0, chevrotain_1.tokenMatcher)(error.token, chevrotain_1.EOF)) {
const startLine = lastToken.endLine || 1;
const endLine = startLine;
const startOffset = lastToken.endOffset || 1;
const endOffset = startOffset;
const startColumn = lastToken.endColumn || 1;
const endColumn = startColumn;
const newToken = (0, chevrotain_1.createTokenInstance)(chevrotain_1.EOF, "", startOffset, endOffset, startLine, endLine, startColumn, endColumn);
error.token = newToken;
}
}
if (settings.throwExceptions) {
throw new ArgdownPluginError_1.ArgdownPluginError(this.name, "parser-error", JSON.stringify(response.parserErrors));
}
else {
logger.log("verbose", "[ParserPlugin]: Parser returned errors.\n" +
JSON.stringify(response.parserErrors));
}
}
return response;
}
}
exports.ParserPlugin = ParserPlugin;
//# sourceMappingURL=ParserPlugin.js.map
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