paulxstretch/deps/juce/extras/Projucer/Source/Utility/Helpers/jucer_TranslationHelpers.h

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#pragma once
//==============================================================================
struct TranslationHelpers
{
static void addString (StringArray& strings, const String& s)
{
if (s.isNotEmpty() && ! strings.contains (s))
strings.add (s);
}
static void scanFileForTranslations (StringArray& strings, const File& file)
{
auto content = file.loadFileAsString();
auto p = content.getCharPointer();
for (;;)
{
p = CharacterFunctions::find (p, CharPointer_ASCII ("TRANS"));
if (p.isEmpty())
break;
p += 5;
p.incrementToEndOfWhitespace();
if (*p == '(')
{
++p;
MemoryOutputStream text;
parseStringLiteral (p, text);
addString (strings, text.toString());
}
}
}
static void parseStringLiteral (String::CharPointerType& p, MemoryOutputStream& out) noexcept
{
p.incrementToEndOfWhitespace();
if (p.getAndAdvance() == '"')
{
auto start = p;
for (;;)
{
auto c = *p;
if (c == '"')
{
out << String (start, p);
++p;
parseStringLiteral (p, out);
return;
}
if (c == 0)
break;
if (c == '\\')
{
out << String (start, p);
++p;
out << String::charToString (readEscapedChar (p));
start = p + 1;
}
++p;
}
}
}
static juce_wchar readEscapedChar (String::CharPointerType& p)
{
auto c = *p;
switch (c)
{
case '"':
case '\\':
case '/': break;
case 'b': c = '\b'; break;
case 'f': c = '\f'; break;
case 'n': c = '\n'; break;
case 'r': c = '\r'; break;
case 't': c = '\t'; break;
case 'x':
++p;
c = 0;
for (int i = 4; --i >= 0;)
{
const int digitValue = CharacterFunctions::getHexDigitValue (*p);
if (digitValue < 0)
break;
++p;
c = (c << 4) + (juce_wchar) digitValue;
}
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
c = 0;
for (int i = 4; --i >= 0;)
{
const auto digitValue = (int) (*p - '0');
if (digitValue < 0 || digitValue > 7)
break;
++p;
c = (c << 3) + (juce_wchar) digitValue;
}
break;
default:
break;
}
return c;
}
static void scanFilesForTranslations (StringArray& strings, const Project::Item& p)
{
if (p.isFile())
{
const File file (p.getFile());
if (file.hasFileExtension (sourceOrHeaderFileExtensions))
scanFileForTranslations (strings, file);
}
for (int i = 0; i < p.getNumChildren(); ++i)
scanFilesForTranslations (strings, p.getChild (i));
}
static void scanFolderForTranslations (StringArray& strings, const File& root)
{
for (const auto& i : RangedDirectoryIterator (root, true))
{
const auto file = i.getFile();
if (file.hasFileExtension (sourceOrHeaderFileExtensions))
scanFileForTranslations(strings, file);
}
}
static void scanProject (StringArray& strings, Project& project)
{
scanFilesForTranslations (strings, project.getMainGroup());
OwnedArray<LibraryModule> modules;
project.getEnabledModules().createRequiredModules (modules);
for (int j = 0; j < modules.size(); ++j)
{
const File localFolder (modules.getUnchecked(j)->getFolder());
Array<File> files;
modules.getUnchecked(j)->findBrowseableFiles (localFolder, files);
for (int i = 0; i < files.size(); ++i)
scanFileForTranslations (strings, files.getReference(i));
}
}
static const char* getMungingSeparator() { return "JCTRIDX"; }
static StringArray breakApart (const String& munged)
{
StringArray lines, result;
lines.addLines (munged);
String currentItem;
for (int i = 0; i < lines.size(); ++i)
{
if (lines[i].contains (getMungingSeparator()))
{
if (currentItem.isNotEmpty())
result.add (currentItem);
currentItem = String();
}
else
{
if (currentItem.isNotEmpty())
currentItem << newLine;
currentItem << lines[i];
}
}
if (currentItem.isNotEmpty())
result.add (currentItem);
return result;
}
static StringArray withTrimmedEnds (StringArray array)
{
for (auto& s : array)
s = s.trimEnd().removeCharacters ("\r\n");
return array;
}
static String escapeString (const String& s)
{
return s.replace ("\"", "\\\"")
.replace ("\'", "\\\'")
.replace ("\t", "\\t")
.replace ("\r", "\\r")
.replace ("\n", "\\n");
}
static String getPreTranslationText (Project& project)
{
StringArray strings;
scanProject (strings, project);
return mungeStrings (strings);
}
static String getPreTranslationText (const LocalisedStrings& strings)
{
return mungeStrings (strings.getMappings().getAllKeys());
}
static String mungeStrings (const StringArray& strings)
{
MemoryOutputStream s;
for (int i = 0; i < strings.size(); ++i)
{
s << getMungingSeparator() << i << "." << newLine << strings[i];
if (i < strings.size() - 1)
s << newLine;
}
return s.toString();
}
static String createLine (const String& preString, const String& postString)
{
return "\"" + escapeString (preString)
+ "\" = \""
+ escapeString (postString) + "\"";
}
static String createFinishedTranslationFile (StringArray preStrings,
StringArray postStrings,
const LocalisedStrings& original)
{
const StringPairArray& originalStrings (original.getMappings());
StringArray lines;
if (originalStrings.size() > 0)
{
lines.add ("language: " + original.getLanguageName());
lines.add ("countries: " + original.getCountryCodes().joinIntoString (" "));
lines.add (String());
const StringArray& originalKeys (originalStrings.getAllKeys());
const StringArray& originalValues (originalStrings.getAllValues());
int numRemoved = 0;
for (int i = preStrings.size(); --i >= 0;)
{
if (originalKeys.contains (preStrings[i]))
{
preStrings.remove (i);
postStrings.remove (i);
++numRemoved;
}
}
for (int i = 0; i < originalStrings.size(); ++i)
lines.add (createLine (originalKeys[i], originalValues[i]));
}
else
{
lines.add ("language: [enter full name of the language here!]");
lines.add ("countries: [enter list of 2-character country codes here!]");
lines.add (String());
}
for (int i = 0; i < preStrings.size(); ++i)
lines.add (createLine (preStrings[i], postStrings[i]));
return lines.joinIntoString (newLine);
}
};