mirror of
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1e12bca0a6
This way they can be translated into all languages without duplicating all relevant content. The original text files are no longer being used.
671 lines
17 KiB
C++
671 lines
17 KiB
C++
/*
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** stringtable.cpp
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** Implements the FStringTable class
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <string.h>
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#include "stringtable.h"
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#include "cmdlib.h"
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#include "filesystem.h"
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#include "sc_man.h"
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#include "printf.h"
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FStringTable::LoadStrings (const char *language)
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{
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int lastlump, lump;
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lastlump = 0;
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while ((lump = fileSystem.FindLump("LMACROS", &lastlump)) != -1)
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{
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readMacros(lump);
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}
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lastlump = 0;
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while ((lump = fileSystem.FindLump ("LANGUAGE", &lastlump)) != -1)
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{
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auto lumpdata = fileSystem.GetFileData(lump);
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if (!ParseLanguageCSV(lump, lumpdata))
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LoadLanguage (lump, lumpdata);
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}
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UpdateLanguage(language);
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allMacros.Clear();
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}
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//==========================================================================
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//
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// This was tailored to parse CSV as exported by Google Docs.
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//
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//==========================================================================
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TArray<TArray<FString>> FStringTable::parseCSV(const TArray<uint8_t> &buffer)
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{
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const size_t bufLength = buffer.Size();
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TArray<TArray<FString>> data;
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TArray<FString> row;
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TArray<char> cell;
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bool quoted = false;
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/*
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auto myisspace = [](int ch) { return ch == '\t' || ch == '\r' || ch == '\n' || ch == ' '; };
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while (*vcopy && myisspace((unsigned char)*vcopy)) vcopy++; // skip over leaading whitespace;
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auto vend = vcopy + strlen(vcopy);
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while (vend > vcopy && myisspace((unsigned char)vend[-1])) *--vend = 0; // skip over trailing whitespace
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*/
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for (size_t i = 0; i < bufLength; ++i)
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{
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if (buffer[i] == '#')
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{
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int a = 0;
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}
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if (buffer[i] == '"')
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{
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// Double quotes inside a quoted string count as an escaped quotation mark.
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if (quoted && i < bufLength - 1 && buffer[i + 1] == '"')
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{
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cell.Push('"');
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i++;
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}
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else if (cell.Size() == 0 || quoted)
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{
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quoted = !quoted;
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}
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}
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else if (buffer[i] == ',')
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{
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if (!quoted)
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{
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cell.Push(0);
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ProcessEscapes(cell.Data());
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row.Push(cell.Data());
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cell.Clear();
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}
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else
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{
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cell.Push(buffer[i]);
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}
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}
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else if (buffer[i] == '\r')
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{
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// Ignore all CR's.
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}
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else if (buffer[i] == '\n' && !quoted)
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{
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cell.Push(0);
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ProcessEscapes(cell.Data());
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row.Push(cell.Data());
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data.Push(std::move(row));
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cell.Clear();
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}
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else
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{
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cell.Push(buffer[i]);
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}
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}
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// Handle last line without linebreak
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if (cell.Size() > 0 || row.Size() > 0)
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{
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cell.Push(0);
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ProcessEscapes(cell.Data());
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row.Push(cell.Data());
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data.Push(std::move(row));
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}
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return data;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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bool FStringTable::readMacros(int lumpnum)
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{
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auto lumpdata = fileSystem.GetFileData(lumpnum);
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auto data = parseCSV(lumpdata);
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for (unsigned i = 1; i < data.Size(); i++)
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{
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auto macroname = data[i][0];
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auto language = data[i][1];
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if (macroname.IsEmpty() || language.IsEmpty()) continue;
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FStringf combined_name("%s/%s", language.GetChars(), macroname.GetChars());
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FName name = combined_name.GetChars();
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StringMacro macro;
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for (int k = 0; k < 4; k++)
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{
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macro.Replacements[k] = data[i][k+2];
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}
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allMacros.Insert(name, macro);
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}
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return true;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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bool FStringTable::ParseLanguageCSV(int lumpnum, const TArray<uint8_t> &buffer)
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{
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if (buffer.Size() < 11) return false;
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if (strnicmp((const char*)buffer.Data(), "default,", 8) && strnicmp((const char*)buffer.Data(), "identifier,", 11 )) return false;
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auto data = parseCSV(buffer);
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int labelcol = -1;
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int filtercol = -1;
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TArray<std::pair<int, unsigned>> langrows;
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bool hasDefaultEntry = false;
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if (data.Size() > 0)
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{
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for (unsigned column = 0; column < data[0].Size(); column++)
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{
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auto &entry = data[0][column];
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if (entry.CompareNoCase("filter") == 0)
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{
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filtercol = column;
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}
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else if (entry.CompareNoCase("identifier") == 0)
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{
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labelcol = column;
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}
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else
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{
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auto languages = entry.Split(" ", FString::TOK_SKIPEMPTY);
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for (auto &lang : languages)
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{
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if (lang.CompareNoCase("default") == 0)
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{
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langrows.Push(std::make_pair(column, default_table));
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hasDefaultEntry = true;
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}
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else if (lang.Len() < 4)
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{
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lang.ToLower();
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langrows.Push(std::make_pair(column, MAKE_ID(lang[0], lang[1], lang[2], 0)));
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}
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}
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}
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}
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for (unsigned i = 1; i < data.Size(); i++)
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{
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auto &row = data[i];
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if (filtercol > -1)
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{
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auto filterstr = row[filtercol];
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if (filterstr.IsNotEmpty())
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{
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bool ok = false;
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if (callbacks && callbacks->ValidFilter)
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{
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auto filter = filterstr.Split(" ", FString::TOK_SKIPEMPTY);
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for (auto& entry : filter)
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{
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if (callbacks->ValidFilter(entry))
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{
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ok = true;
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break;
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}
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}
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}
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if (!ok) continue;
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}
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}
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FName strName = row[labelcol].GetChars();
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if (hasDefaultEntry)
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{
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DeleteForLabel(lumpnum, strName);
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}
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for (auto &langentry : langrows)
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{
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auto str = row[langentry.first];
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if (str.Len() > 0)
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{
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InsertString(lumpnum, langentry.second, strName, str);
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}
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else
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{
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DeleteString(langentry.second, strName);
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}
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}
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}
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}
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return true;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FStringTable::LoadLanguage (int lumpnum, const TArray<uint8_t> &buffer)
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{
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bool errordone = false;
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TArray<uint32_t> activeMaps;
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FScanner sc;
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bool hasDefaultEntry = false;
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sc.OpenMem("LANGUAGE", buffer);
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sc.SetCMode (true);
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while (sc.GetString ())
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{
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if (sc.Compare ("["))
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{ // Process language identifiers
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activeMaps.Clear();
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hasDefaultEntry = false;
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sc.MustGetString ();
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do
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{
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size_t len = sc.StringLen;
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if (len != 2 && len != 3)
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{
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if (len == 1 && sc.String[0] == '~')
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{
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// deprecated and ignored
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sc.ScriptMessage("Deprecated option '~' found in language list");
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sc.MustGetString ();
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continue;
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}
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if (len == 1 && sc.String[0] == '*')
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{
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activeMaps.Clear();
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activeMaps.Push(global_table);
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}
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else if (len == 7 && stricmp (sc.String, "default") == 0)
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{
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activeMaps.Clear();
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activeMaps.Push(default_table);
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hasDefaultEntry = true;
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}
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else
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{
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sc.ScriptError ("The language code must be 2 or 3 characters long.\n'%s' is %lu characters long.",
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sc.String, len);
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}
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}
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else
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{
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if (activeMaps.Size() != 1 || (activeMaps[0] != default_table && activeMaps[0] != global_table))
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activeMaps.Push(MAKE_ID(tolower(sc.String[0]), tolower(sc.String[1]), tolower(sc.String[2]), 0));
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}
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sc.MustGetString ();
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} while (!sc.Compare ("]"));
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}
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else
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{ // Process string definitions.
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if (activeMaps.Size() == 0)
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{
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// LANGUAGE lump is bad. We need to check if this is an old binary
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// lump and if so just skip it to allow old WADs to run which contain
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// such a lump.
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if (!sc.isText())
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{
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if (!errordone) Printf("Skipping binary 'LANGUAGE' lump.\n");
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errordone = true;
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return;
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}
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sc.ScriptError ("Found a string without a language specified.");
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}
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bool skip = false;
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if (sc.Compare("$"))
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{
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sc.MustGetStringName("ifgame");
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sc.MustGetStringName("(");
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sc.MustGetString();
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skip |= (!callbacks || !callbacks->ValidFilter || !callbacks->ValidFilter(sc.String));
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sc.MustGetStringName(")");
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sc.MustGetString();
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}
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FName strName (sc.String);
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sc.MustGetStringName ("=");
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sc.MustGetString ();
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FString strText (sc.String, ProcessEscapes (sc.String));
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sc.MustGetString ();
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while (!sc.Compare (";"))
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{
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ProcessEscapes (sc.String);
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strText += sc.String;
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sc.MustGetString ();
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}
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if (!skip)
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{
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if (hasDefaultEntry)
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{
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DeleteForLabel(lumpnum, strName);
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}
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// Insert the string into all relevant tables.
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for (auto map : activeMaps)
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{
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InsertString(lumpnum, map, strName, strText);
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}
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}
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}
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}
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FStringTable::DeleteString(int langid, FName label)
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{
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allStrings[langid].Remove(label);
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}
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//==========================================================================
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//
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// This deletes all older entries for a given label. This gets called
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// when a string in the default table gets updated.
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//
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//==========================================================================
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void FStringTable::DeleteForLabel(int lumpnum, FName label)
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{
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decltype(allStrings)::Iterator it(allStrings);
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decltype(allStrings)::Pair *pair;
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auto filenum = fileSystem.GetFileContainer(lumpnum);
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while (it.NextPair(pair))
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{
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auto entry = pair->Value.CheckKey(label);
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if (entry && entry->filenum < filenum)
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{
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pair->Value.Remove(label);
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}
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}
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FStringTable::InsertString(int lumpnum, int langid, FName label, const FString &string)
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{
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const char *strlangid = (const char *)&langid;
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TableElement te = { fileSystem.GetFileContainer(lumpnum), { string, string, string, string } };
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long index;
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while ((index = te.strings[0].IndexOf("@[")) >= 0)
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{
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auto endindex = te.strings[0].IndexOf(']', index);
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if (endindex == -1)
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{
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Printf("Bad macro in %s : %s\n", strlangid, label.GetChars());
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break;
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}
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FString macroname(te.strings[0].GetChars() + index + 2, endindex - index - 2);
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FStringf lookupstr("%s/%s", strlangid, macroname.GetChars());
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FStringf replacee("@[%s]", macroname.GetChars());
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FName lookupname(lookupstr.GetChars(), true);
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auto replace = allMacros.CheckKey(lookupname);
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for (int i = 0; i < 4; i++)
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{
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const char *replacement = replace ? replace->Replacements[i].GetChars() : "";
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te.strings[i].Substitute(replacee, replacement);
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}
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}
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allStrings[langid].Insert(label, te);
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FStringTable::UpdateLanguage(const char *language)
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{
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if (language) activeLanguage = language;
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else language = activeLanguage.GetChars();
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size_t langlen = strlen(language);
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int LanguageID = (langlen < 2 || langlen > 3) ?
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MAKE_ID('e', 'n', 'u', '\0') :
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MAKE_ID(language[0], language[1], language[2], '\0');
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currentLanguageSet.Clear();
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auto checkone = [&](uint32_t lang_id)
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{
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auto list = allStrings.CheckKey(lang_id);
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if (list && currentLanguageSet.FindEx([&](const auto &element) { return element.first == lang_id; }) == currentLanguageSet.Size())
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currentLanguageSet.Push(std::make_pair(lang_id, list));
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};
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checkone(override_table);
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checkone(global_table);
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checkone(LanguageID);
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checkone(LanguageID & MAKE_ID(0xff, 0xff, 0, 0));
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checkone(default_table);
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}
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//==========================================================================
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//
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// Replace \ escape sequences in a string with the escaped characters.
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//
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//==========================================================================
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size_t FStringTable::ProcessEscapes (char *iptr)
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{
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char *sptr = iptr, *optr = iptr, c;
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while ((c = *iptr++) != '\0')
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{
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if (c == '\\')
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{
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c = *iptr++;
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if (c == 'n')
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c = '\n';
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else if (c == 'c')
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c = TEXTCOLOR_ESCAPE;
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else if (c == 'r')
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c = '\r';
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else if (c == 't')
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c = '\t';
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else if (c == '\n')
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continue;
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}
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*optr++ = c;
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}
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*optr = '\0';
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return optr - sptr;
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}
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//==========================================================================
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//
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// Checks if the given key exists in any one of the default string tables that are valid for all languages.
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// To replace IWAD content this condition must be true.
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//
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//==========================================================================
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bool FStringTable::exists(const char *name)
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{
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if (name == nullptr || *name == 0)
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{
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return false;
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}
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FName nm(name, true);
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if (nm != NAME_None)
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{
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uint32_t defaultStrings[] = { default_table, global_table, override_table };
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for (auto mapid : defaultStrings)
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{
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auto map = allStrings.CheckKey(mapid);
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if (map)
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{
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auto item = map->CheckKey(nm);
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if (item) return true;
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}
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}
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}
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return false;
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}
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//==========================================================================
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//
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// Finds a string by name and returns its value
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//
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//==========================================================================
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const char *FStringTable::GetString(const char *name, uint32_t *langtable, int gender) const
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{
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if (name == nullptr || *name == 0)
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{
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return nullptr;
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}
|
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if (gender == -1 && callbacks && callbacks->GetPlayerGender) gender = callbacks->GetPlayerGender();
|
|
if (gender < 0 || gender > 3) gender = 0;
|
|
FName nm(name, true);
|
|
if (nm != NAME_None)
|
|
{
|
|
for (auto map : currentLanguageSet)
|
|
{
|
|
auto item = map.second->CheckKey(nm);
|
|
if (item)
|
|
{
|
|
if (langtable) *langtable = map.first;
|
|
auto c = item->strings[gender].GetChars();
|
|
if (c && *c == '$' && c[1] == '$')
|
|
return GetString(c + 2, langtable, gender);
|
|
return c;
|
|
}
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Finds a string by name in a given language
|
|
//
|
|
//==========================================================================
|
|
|
|
const char *FStringTable::GetLanguageString(const char *name, uint32_t langtable, int gender) const
|
|
{
|
|
if (name == nullptr || *name == 0)
|
|
{
|
|
return nullptr;
|
|
}
|
|
if (gender == -1 && callbacks && callbacks->GetPlayerGender) gender = callbacks->GetPlayerGender();
|
|
if (gender < 0 || gender > 3) gender = 0;
|
|
FName nm(name, true);
|
|
if (nm != NAME_None)
|
|
{
|
|
auto map = allStrings.CheckKey(langtable);
|
|
if (map == nullptr) return nullptr;
|
|
auto item = map->CheckKey(nm);
|
|
if (item)
|
|
{
|
|
return item->strings[gender].GetChars();
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool FStringTable::MatchDefaultString(const char *name, const char *content) const
|
|
{
|
|
// This only compares the first line to avoid problems with bad linefeeds. For the few cases where this feature is needed it is sufficient.
|
|
auto c = GetLanguageString(name, FStringTable::default_table);
|
|
if (!c) return false;
|
|
|
|
// Check a secondary key, in case the text comparison cannot be done due to needed orthographic fixes (see Harmony's exit text)
|
|
FStringf checkkey("%s_CHECK", name);
|
|
auto cc = GetLanguageString(checkkey, FStringTable::default_table);
|
|
if (cc) c = cc;
|
|
|
|
return (c && !strnicmp(c, content, strcspn(content, "\n\r\t")));
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Finds a string by name and returns its value. If the string does
|
|
// not exist, returns the passed name instead.
|
|
//
|
|
//==========================================================================
|
|
|
|
const char *FStringTable::operator() (const char *name) const
|
|
{
|
|
const char *str = operator[] (name);
|
|
return str ? str : name;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Find a string with the same exact text. Returns its name.
|
|
// This does not need to check genders, it is only used by
|
|
// Dehacked on the English table for finding stock strings.
|
|
//
|
|
//==========================================================================
|
|
|
|
const char *StringMap::MatchString (const char *string) const
|
|
{
|
|
StringMap::ConstIterator it(*this);
|
|
StringMap::ConstPair *pair;
|
|
|
|
while (it.NextPair(pair))
|
|
{
|
|
if (pair->Value.strings[0].CompareNoCase(string) == 0)
|
|
{
|
|
return pair->Key.GetChars();
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
FStringTable GStrings;
|