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/*
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
*/
/// <reference path="../lib/decl/node.d.ts" />
"use strict";
import {readFileSync} from "fs";
import {execSync} from "child_process";
import * as ts from "typescript";
function wordwrap(str: string, width: number = 80): string[] {
var regex = '.{1,' + width + '}(\\s|$)|\\S+(\\s|$)';
return str.match(RegExp(regex, 'g'));
}
export function processFile(sourceFile: ts.SourceFile) {
processNode(sourceFile);
let lastTokLine = 0;
let preLastTokLine = 0;
function getHeadName(node: ts.Node): string {
switch (node.kind) {
case ts.SyntaxKind.Identifier:
return (<ts.Identifier>node).text;
case ts.SyntaxKind.CallExpression:
case ts.SyntaxKind.PropertyAccessExpression:
return getHeadName((<any>node).expression);
}
}
function getTemplate(node: ts.Node): string {
switch (node.kind) {
case ts.SyntaxKind.FirstTemplateToken:
return (<any>node).text;
case ts.SyntaxKind.TemplateExpression:
let te = <ts.TemplateExpression>node;
let textFragments = [te.head.text];
for (let tsp of te.templateSpans) {
textFragments.push(`%${(textFragments.length-1)/2+1}$s`);
textFragments.push(tsp.literal.text);
}
return textFragments.join('');
default:
return "(pogen.ts: unable to parse)";
}
}
function getComment(node: ts.Node, lc): string {
let lastComments;
for (let l = preLastTokLine; l < lastTokLine; l++) {
let pos = ts.getPositionOfLineAndCharacter(sourceFile, l, 0);
let comments = ts.getTrailingCommentRanges(sourceFile.text, pos);
if (comments) {
lastComments = comments;
}
}
if (!lastComments) {
return;
}
let candidate = lastComments[lastComments.length-1];
let candidateEndLine = ts.getLineAndCharacterOfPosition(sourceFile, candidate.end).line;
if (candidateEndLine != lc.line - 1) {
return;
}
let 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]*?)?[*][/]$/, "");
break;
}
return text;
}
function processNode(node: ts.Node) {
switch (node.kind) {
case ts.SyntaxKind.TaggedTemplateExpression:
let lc = ts.getLineAndCharacterOfPosition(sourceFile, node.pos);
if (lc.line != lastTokLine) {
preLastTokLine = lastTokLine;
lastTokLine = lc.line;
}
let tte = <ts.TaggedTemplateExpression>node;
let headName = getHeadName(tte.tag);
let comment = getComment(tte, lc);
let tpl = getTemplate(tte.template).replace(/"/g, '\\"');
// Do escaping, wrap break at newlines
let parts = tpl
.match(/(.*\n|.+$)/g)
.map((x) => x.replace(/\n/g, '\\n'))
.map((p) => wordwrap(p))
.reduce((a,b) => a.concat(b));
if (comment) {
for (let cl of comment.split('\n')) {
console.log(`#. ${cl}`);
}
}
console.log(`#: ${sourceFile.fileName}:${lc.line+1}`);
console.log(`#, c-format`);
if (parts.length == 1) {
console.log(`msgid "${parts[0]}"`);
} else {
console.log(`msgid ""`);
for (let p of parts) {
console.log(`"${p}"`);
}
}
console.log(`msgstr ""`);
console.log();
break;
}
ts.forEachChild(node, processNode);
}
}
const fileNames = process.argv.slice(2);
console.log(
`# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\\n"
"Report-Msgid-Bugs-To: \\n"
"POT-Creation-Date: ${execSync("date '+%F %H:%M%z'").toString().trim()}\\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n"
"Language-Team: LANGUAGE <LL@li.org>\\n"
"Language: \\n"
"MIME-Version: 1.0\\n"
"Content-Type: text/plain; charset=UTF-8\\n"
"Content-Transfer-Encoding: 8bit\\n"`);
console.log()
fileNames.forEach(fileName => {
let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES6, /*setParentNodes */ true);
processFile(sourceFile);
});
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