wallet-core/tooling/pogen/pogen.js
2018-02-22 11:49:13 +01:00

348 lines
14 KiB
JavaScript

/*
This file is part of TALER
(C) 2016 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Generate .po file from list of source files.
*
* Note that duplicate message IDs are NOT merged, to get the same output as
* you would from xgettext, just run msguniq.
*
* @author Florian Dold
*/
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var fs_1 = require("fs");
var ts = require("typescript");
function wordwrap(str, width) {
if (width === void 0) { width = 80; }
var regex = '.{1,' + width + '}(\\s|$)|\\S+(\\s|$)';
return str.match(RegExp(regex, 'g'));
}
function processFile(sourceFile) {
processNode(sourceFile);
var lastTokLine = 0;
var preLastTokLine = 0;
function getTemplate(node) {
switch (node.kind) {
case ts.SyntaxKind.FirstTemplateToken:
return node.text;
case ts.SyntaxKind.TemplateExpression:
var te = node;
var textFragments = [te.head.text];
for (var _i = 0, _a = te.templateSpans; _i < _a.length; _i++) {
var tsp = _a[_i];
textFragments.push("%" + ((textFragments.length - 1) / 2 + 1) + "$s");
textFragments.push(tsp.literal.text.replace(/%/g, "%%"));
}
return textFragments.join('');
default:
return "(pogen.ts: unable to parse)";
}
}
function getComment(node) {
var lc = ts.getLineAndCharacterOfPosition(sourceFile, node.pos);
var lastComments;
for (var l = preLastTokLine; l < lastTokLine; l++) {
var pos = ts.getPositionOfLineAndCharacter(sourceFile, l, 0);
var comments = ts.getTrailingCommentRanges(sourceFile.text, pos);
if (comments) {
lastComments = comments;
}
}
if (!lastComments) {
return;
}
var candidate = lastComments[lastComments.length - 1];
var candidateEndLine = ts.getLineAndCharacterOfPosition(sourceFile, candidate.end).line;
if (candidateEndLine != lc.line - 1) {
return;
}
var text = sourceFile.text.slice(candidate.pos, candidate.end);
switch (candidate.kind) {
case ts.SyntaxKind.SingleLineCommentTrivia:
// Remove comment leader
text = text.replace(/^[/][/]\s*/, "");
break;
case ts.SyntaxKind.MultiLineCommentTrivia:
// Remove comment leader and trailer,
// handling white space just like xgettext.
text = text
.replace(/^[/][*](\s*?\n|\s*)?/, "")
.replace(/(\n[ \t]*?)?[*][/]$/, "");
break;
}
return text;
}
function getPath(node) {
switch (node.kind) {
case ts.SyntaxKind.PropertyAccessExpression:
var pae = node;
return Array.prototype.concat(getPath(pae.expression), [pae.name.text]);
case ts.SyntaxKind.Identifier:
var id = node;
return [id.text];
}
return ["(other)"];
}
function arrayEq(a1, a2) {
if (a1.length != a2.length) {
return false;
}
for (var i = 0; i < a1.length; i++) {
if (a1[i] != a2[i]) {
return false;
}
}
return true;
}
function processTaggedTemplateExpression(tte) {
var lc = ts.getLineAndCharacterOfPosition(sourceFile, tte.pos);
if (lc.line != lastTokLine) {
preLastTokLine = lastTokLine;
lastTokLine = lc.line;
}
var path = getPath(tte.tag);
var res = {
path: path,
line: lc.line,
comment: getComment(tte),
template: getTemplate(tte.template).replace(/"/g, '\\"'),
};
return res;
}
function formatMsgComment(line, comment) {
if (comment) {
for (var _i = 0, _a = comment.split('\n'); _i < _a.length; _i++) {
var cl = _a[_i];
console.log("#. " + cl);
}
}
console.log("#: " + sourceFile.fileName + ":" + (line + 1));
console.log("#, c-format");
}
function formatMsgLine(head, msg) {
// Do escaping, wrap break at newlines
var parts = msg
.match(/(.*\n|.+$)/g)
.map(function (x) { return x.replace(/\n/g, '\\n'); })
.map(function (p) { return wordwrap(p); })
.reduce(function (a, b) { return a.concat(b); });
if (parts.length == 1) {
console.log(head + " \"" + parts[0] + "\"");
}
else {
console.log(head + " \"\"");
for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) {
var p = parts_1[_i];
console.log("\"" + p + "\"");
}
}
}
function getJsxElementPath(node) {
var path;
var process = function (childNode) {
switch (childNode.kind) {
case ts.SyntaxKind.JsxOpeningElement:
{
var e = childNode;
return path = getPath(e.tagName);
}
default:
break;
}
};
ts.forEachChild(node, process);
return path;
}
function translateJsxExpression(node, h) {
switch (node.kind) {
case ts.SyntaxKind.StringLiteral:
{
var e = node;
return e.text;
}
default:
return "%" + h[0]++ + "$s";
}
}
function trim(s) {
return s.replace(/^[ \n\t]*/, "").replace(/[ \n\t]*$/, "");
}
function getJsxContent(node) {
var fragments = [];
var holeNum = [1];
var process = function (childNode) {
switch (childNode.kind) {
case ts.SyntaxKind.JsxText:
{
var e = childNode;
var s = e.getFullText();
var t = s.split("\n").map(trim).join(" ");
if (s[0] === " ") {
t = " " + t;
}
if (s[s.length - 1] === " ") {
t = t + " ";
}
fragments.push(t);
}
case ts.SyntaxKind.JsxOpeningElement:
break;
case ts.SyntaxKind.JsxElement:
fragments.push("%" + holeNum[0]++ + "$s");
break;
case ts.SyntaxKind.JsxExpression:
{
var e = childNode;
fragments.push(translateJsxExpression(e.expression, holeNum));
break;
}
case ts.SyntaxKind.JsxClosingElement:
break;
default:
var lc = ts.getLineAndCharacterOfPosition(childNode.getSourceFile(), childNode.getStart());
console.error("unrecognized syntax in JSX Element " + ts.SyntaxKind[childNode.kind] + " (" + childNode.getSourceFile().fileName + ":" + (lc.line + 1) + ":" + (lc.character + 1));
break;
}
};
ts.forEachChild(node, process);
return fragments.join("").trim().replace(/ +/g, " ");
}
function getJsxSingular(node) {
var res;
var process = function (childNode) {
switch (childNode.kind) {
case ts.SyntaxKind.JsxElement:
{
var path = getJsxElementPath(childNode);
if (arrayEq(path, ["i18n", "TranslateSingular"])) {
res = getJsxContent(childNode);
}
}
default:
break;
}
};
ts.forEachChild(node, process);
return res;
}
function getJsxPlural(node) {
var res;
var process = function (childNode) {
switch (childNode.kind) {
case ts.SyntaxKind.JsxElement:
{
var path = getJsxElementPath(childNode);
if (arrayEq(path, ["i18n", "TranslatePlural"])) {
res = getJsxContent(childNode);
}
}
default:
break;
}
};
ts.forEachChild(node, process);
return res;
}
function processNode(node) {
switch (node.kind) {
case ts.SyntaxKind.JsxElement:
var path = getJsxElementPath(node);
if (arrayEq(path, ["i18n", "Translate"])) {
var content = getJsxContent(node);
var line = ts.getLineAndCharacterOfPosition(sourceFile, node.pos).line;
var comment = getComment(node);
formatMsgComment(line, comment);
formatMsgLine("msgid", content);
console.log("msgstr \"\"");
console.log();
return;
}
if (arrayEq(path, ["i18n", "TranslateSwitch"])) {
var line = ts.getLineAndCharacterOfPosition(sourceFile, node.pos).line;
var comment = getComment(node);
formatMsgComment(line, comment);
var singularForm = getJsxSingular(node);
if (!singularForm) {
console.error("singular form missing");
process.exit(1);
}
var pluralForm = getJsxPlural(node);
if (!pluralForm) {
console.error("plural form missing");
process.exit(1);
}
formatMsgLine("msgid", singularForm);
formatMsgLine("msgid_plural", pluralForm);
console.log("msgstr[0] \"\"");
console.log("msgstr[1] \"\"");
console.log();
return;
}
break;
case ts.SyntaxKind.CallExpression:
{
// might be i18n.plural(i18n[.X]`...`, i18n[.X]`...`)
var ce = node;
var path_1 = getPath(ce.expression);
if (!arrayEq(path_1, ["i18n", "plural"])) {
break;
}
if (ce.arguments[0].kind != ts.SyntaxKind.TaggedTemplateExpression) {
break;
}
if (ce.arguments[1].kind != ts.SyntaxKind.TaggedTemplateExpression) {
break;
}
var line = ts.getLineAndCharacterOfPosition(sourceFile, ce.pos).line;
var t1 = processTaggedTemplateExpression(ce.arguments[0]);
var t2 = processTaggedTemplateExpression(ce.arguments[1]);
var comment = getComment(ce);
formatMsgComment(line, comment);
formatMsgLine("msgid", t1.template);
formatMsgLine("msgid_plural", t2.template);
console.log("msgstr[0] \"\"");
console.log("msgstr[1] \"\"");
console.log();
// Important: no processing for child i18n expressions here
return;
}
case ts.SyntaxKind.TaggedTemplateExpression:
{
var tte = node;
var _a = processTaggedTemplateExpression(tte), comment = _a.comment, template = _a.template, line = _a.line, path_2 = _a.path;
if (path_2[0] != "i18n") {
break;
}
formatMsgComment(line, comment);
formatMsgLine("msgid", template);
console.log("msgstr \"\"");
console.log();
break;
}
}
ts.forEachChild(node, processNode);
}
}
exports.processFile = processFile;
var fileNames = process.argv.slice(2);
console.log("# SOME DESCRIPTIVE TITLE.\n# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER\n# This file is distributed under the same license as the PACKAGE package.\n# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.\n#\n#, fuzzy\nmsgid \"\"\nmsgstr \"\"\n\"Project-Id-Version: PACKAGE VERSION\\n\"\n\"Report-Msgid-Bugs-To: \\n\"\n\"POT-Creation-Date: 2016-11-23 00:00+0100\\n\"\n\"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n\"\n\"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n\"\n\"Language-Team: LANGUAGE <LL@li.org>\\n\"\n\"Language: \\n\"\n\"MIME-Version: 1.0\\n\"\n\"Content-Type: text/plain; charset=UTF-8\\n\"\n\"Content-Transfer-Encoding: 8bit\\n\"");
console.log();
fileNames.sort();
fileNames.forEach(function (fileName) {
var sourceFile = ts.createSourceFile(fileName, fs_1.readFileSync(fileName).toString(), ts.ScriptTarget.ES2016, /*setParentNodes */ true);
processFile(sourceFile);
});