devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
171 lines (153 loc) • 6.37 kB
JavaScript
// jshint strict:implied, -W098, -W117
/* eslint-disable no-console, no-undef*/
var path = require("path");
function normalizeJsName(value) {
return value.trim().replace('-', '_').replace(' ', '_');
}
function processFile(file, options, callback) {
var name = path.basename(file, path.extname(file));
options.info("%s: started", name);
parse(file, { precision: options.precision }, function (shapeData, errors) {
var content;
options.info("%s: finished", name);
errors && errors.forEach(function (e) {
options.error(" " + e);
});
if (shapeData) {
content = JSON.stringify(options.processData(shapeData), null, options.isDebug && 4);
if (!options.isJSON) {
content = options.processFileContent(content, normalizeJsName(name));
}
fs.writeFile(path.resolve(options.output || path.dirname(file), options.processFileName(name + (options.isJSON ? ".json" : ".js"))), content, function (e) {
e && options.error(" " + e.message);
callback();
});
} else {
callback();
}
});
}
function collectFiles(dir, done) {
var input = path.resolve(dir || "");
fs.stat(input, function (e, stat) {
if (e) {
done(e, []);
} else if (stat.isFile()) {
done(null, checkFile(input) ? [path.resolve(path.dirname(input), normalizeFile(input))] : []);
} else if (stat.isDirectory()) {
fs.readdir(input, function (e, dirItems) {
var list = [];
dirItems.forEach(function (dirItem) {
if (checkFile(dirItem)) {
list.push(path.resolve(input, normalizeFile(dirItem)));
}
});
done(null, list);
});
} else {
done(null, []);
}
});
function checkFile(name) {
return path.extname(name).toLowerCase() === ".shp";
}
function normalizeFile(name) {
return path.basename(name, ".shp");
}
}
function importFile(file) {
var content;
try {
content = require(path.resolve(String(file)));
} catch (_) {}
return content;
}
function pickFunctionOption(value) {
return isFunction(value) && value || value && importFile(String(value)) || null;
}
function processFileContentByDefault(content, name) {
return name + " = " + content + ";";
}
function prepareSettings(source, options) {
options = Object.assign({}, options);
if (options.settings) {
options = Object.assign(importFile(options.settings) || {}, options);
}
return Object.assign(options, {
input: source ? String(source) : null,
output: options.output ? String(options.output) : null,
precision: options.precision >= 0 ? Math.round(options.precision) : 4,
processData: pickFunctionOption(options.processData) || eigen,
processFileName: pickFunctionOption(options.processFileName) || eigen,
processFileContent: pickFunctionOption(options.processFileContent) || processFileContentByDefault,
info: options.isQuiet ? noop : console.info.bind(console),
error: options.isQuiet ? noop : console.error.bind(console)
});
}
function processFiles(source, options, callback) {
var settings = prepareSettings(source, options && options.trim ? importFile(options) : options);
settings.info("Started");
collectFiles(settings.input, function (e, files) {
e && settings.error(e.message);
settings.info(files.map(function (file) {
return " " + path.basename(file);
}).join("\n"));
when(files.map(function (file) {
return function (done) {
processFile(file, settings, done);
};
}), function () {
settings.info("Finished");
(isFunction(callback) ? callback : noop)();
});
});
}
exports.processFiles = processFiles;
var COMMAND_LINE_ARG_KEYS = [{ key: "--output", name: "output", arg: true, desc: "Destination directory" }, { key: "--process-data", name: "processData", arg: true, desc: "Process parsed data" }, { key: "--process-file-name", name: "processFileName", arg: true, desc: "Process output file name" }, { key: "--process-file-content", name: "processFileContent", arg: true, desc: "Process output file content" }, { key: "--precision", name: "precision", arg: true, desc: "Precision of shape coordinates" }, { key: "--json", name: "isJSON", desc: "Generate as a .json file" }, { key: "--debug", name: "isDebug", desc: "Generate non minified file" }, { key: "--quiet", name: "isQuiet", desc: "Suppress console output" }, { key: "--settings", name: "settings", arg: true, desc: "Path to settings file" }, { key: "--help", name: "isHelp", desc: "Print help" }];
function parseCommandLineArgs() {
var args = process.argv.slice(2),
options = { isEmpty: !args.length },
map = {};
args.forEach(function (arg, i) {
map[arg] = args[i + 1] || true;
});
COMMAND_LINE_ARG_KEYS.forEach(function (info) {
var val = map[info.key];
if (val) {
options[info.name] = info.arg ? val : true;
}
});
if (options.isHelp || options.isEmpty) {
options = null;
printCommandLineHelp();
}
return options;
}
function printCommandLineHelp() {
var parts = ["node ", path.basename(process.argv[1]), " Source "],
lines = [],
maxLength = Math.max.apply(null, COMMAND_LINE_ARG_KEYS.map(function (info) {
return info.key.length;
})) + 2,
message;
COMMAND_LINE_ARG_KEYS.forEach(function (info) {
var key = info.key;
parts.push(key, " ");
if (info.arg) {
parts.push("<", key.slice(2), ">", " ");
}
lines.push([" ", key, Array(maxLength - key.length).join(" "), info.desc].join(""));
});
message = ["Generates dxVectorMap-compatible files from shapefiles.", "\n", parts.join("")].concat(lines).join("\n");
console.log(message);
}
function runFromConsole() {
var args = parseCommandLineArgs();
if (args) {
processFiles(process.argv[2] || "", args);
}
}
if (require.main === module) {
runFromConsole();
}
;