WIN32: Add a way to convert codepage name to cp ID

3 files changed, 234 insertions, 1 deletions

diff --git a/backends/platform/sdl/module.mk b/backends/platform/sdl/module.mk
index 62ef94f19a..5d341773c6 100644
--- a/backends/platform/sdl/module.mk
+++ b/backends/platform/sdl/module.mk
@@ -23,7 +23,8 @@ MODULE_OBJS += \
 	win32/win32-main.o \
 	win32/win32-window.o \
 	win32/win32_wrapper.o \
-	win32/win32.o
+	win32/win32.o \
+	win32/codepage.o
 endif
 
 ifdef AMIGAOS
diff --git a/backends/platform/sdl/win32/codepage.cpp b/backends/platform/sdl/win32/codepage.cpp
new file mode 100644
index 0000000000..2bb3501e5d
--- /dev/null
+++ b/backends/platform/sdl/win32/codepage.cpp
@@ -0,0 +1,39 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifdef WIN32
+#include "backends/platform/sdl/win32/codepage.h"
+namespace Win32 {
+
+int getCodePageId(Common::String codePageName) {
+	const CodePageDescription *cp = g_cpDescriptions;
+	for (; cp->name; cp++) {
+		if (codePageName.equalsIgnoreCase(cp->name))
+			return cp->id;
+	}
+	return -1;
+}
+
+}
+
+#endif
+
diff --git a/backends/platform/sdl/win32/codepage.h b/backends/platform/sdl/win32/codepage.h
new file mode 100644
index 0000000000..98ef3ce7fe
--- /dev/null
+++ b/backends/platform/sdl/win32/codepage.h
@@ -0,0 +1,193 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/scummsys.h"
+#include "common/str.h"
+namespace Win32 {
+struct CodePageDescription {
+	const char *name;
+	int id;
+};
+
+//For more info look at https://docs.microsoft.com/en-us/windows/win32/intl/code-page-identifiers
+//If there is a different name for a codepage, just add another row.
+const CodePageDescription g_cpDescriptions[] = {
+	{"ibm037", 37}, //IBM EBCDIC US-Canada
+	{"ibm437", 437}, //OEM United States
+	{"ibm500", 500}, //IBM EBCDIC International
+	{"asmo-708", 708}, //Arabic (ASMO 708)
+	{"arabic1", 709}, //Arabic (ASMO-449+, BCON V4)
+	{"arabic2", 710}, //Arabic - Transparent Arabic
+	{"dos-720", 720}, //Arabic (Transparent ASMO); Arabic (DOS)
+	{"ibm737", 737}, //OEM Greek (formerly 437G); Greek (DOS)
+	{"ibm775", 775}, //OEM Baltic; Baltic (DOS)
+	{"ibm850", 850}, //OEM Multilingual Latin 1; Western European (DOS)
+	{"cp850", 850}, //OEM Multilingual Latin 1; Western European (DOS)
+	{"ascii", 850}, //We have multiple choices for codepage for ascii, this is one of many that works
+	{"ibm852", 852}, //OEM Latin 2; Central European (DOS)
+	{"ibm855", 855}, //OEM Cyrillic (primarily Russian)
+	{"ibm857", 857}, //OEM Turkish; Turkish (DOS)
+	{"ibm00858", 858}, //OEM Multilingual Latin 1 + Euro symbol
+	{"ibm858", 858}, //OEM Multilingual Latin 1 + Euro symbol
+	{"ibm860", 860}, //OEM Portuguese; Portuguese (DOS)
+	{"ibm861", 861}, //OEM Icelandic; Icelandic (DOS)
+	{"dos-862", 862}, //OEM Hebrew; Hebrew (DOS)
+	{"ibm863", 863}, //OEM French Canadian; French Canadian (DOS)
+	{"ibm864", 864}, //OEM Arabic; Arabic (864)
+	{"ibm865", 865}, //OEM Nordic; Nordic (DOS)
+	{"cp866", 866}, //OEM Russian; Cyrillic (DOS)
+	{"ibm869", 869}, //OEM Modern Greek; Greek, Modern (DOS)
+	{"ibm870", 870}, //IBM EBCDIC Multilingual/ROECE (Latin 2); IBM EBCDIC Multilingual Latin 2
+	{"windows-874", 874}, //ANSI/OEM Thai (ISO 8859-11); Thai (Windows)
+	{"cp875", 875}, //IBM EBCDIC Greek Modern
+	{"shift_jis", 932}, //ANSI/OEM Japanese; Japanese (Shift-JIS)
+	{"gb2312", 936}, //ANSI/OEM Simplified Chinese (PRC, Singapore); Chinese Simplified (GB2312)
+	{"ks_c_5601-1987", 949}, //ANSI/OEM Korean (Unified Hangul Code)
+	{"big5", 950}, //ANSI/OEM Traditional Chinese (Taiwan; Hong Kong SAR, PRC); Chinese Traditional (Big5)
+	{"ibm1026", 1026}, //IBM EBCDIC Turkish (Latin 5)
+	{"ibm01047", 1047}, //IBM EBCDIC Latin 1/Open System
+	{"ibm01140", 1140}, //IBM EBCDIC US-Canada (037 + Euro symbol); IBM EBCDIC (US-Canada-Euro)
+	{"ibm01141", 1141}, //IBM EBCDIC Germany (20273 + Euro symbol); IBM EBCDIC (Germany-Euro)
+	{"ibm01142", 1142}, //IBM EBCDIC Denmark-Norway (20277 + Euro symbol); IBM EBCDIC (Denmark-Norway-Euro)
+	{"ibm01143", 1143}, //IBM EBCDIC Finland-Sweden (20278 + Euro symbol); IBM EBCDIC (Finland-Sweden-Euro)
+	{"ibm01144", 1144}, //IBM EBCDIC Italy (20280 + Euro symbol); IBM EBCDIC (Italy-Euro)
+	{"ibm01145", 1145}, //IBM EBCDIC Latin America-Spain (20284 + Euro symbol); IBM EBCDIC (Spain-Euro)
+	{"ibm01146", 1146}, //IBM EBCDIC United Kingdom (20285 + Euro symbol); IBM EBCDIC (UK-Euro)
+	{"ibm01147", 1147}, //IBM EBCDIC France (20297 + Euro symbol); IBM EBCDIC (France-Euro)
+	{"ibm01148", 1148}, //IBM EBCDIC International (500 + Euro symbol); IBM EBCDIC (International-Euro)
+	{"ibm01149", 1149}, //IBM EBCDIC Icelandic (20871 + Euro symbol); IBM EBCDIC (Icelandic-Euro)
+	{"utf-16", 1200}, //Unicode UTF-16, little endian byte order (BMP of ISO 10646); available only to managed applications
+	{"unicodefffe", 1201}, //Unicode UTF-16, big endian byte order; available only to managed applications
+	{"windows-1250", 1250}, //ANSI Central European; Central European (Windows)
+	{"windows-1251", 1251}, //ANSI Cyrillic; Cyrillic (Windows)
+	{"windows-1252", 1252}, //ANSI Latin 1; Western European (Windows)
+	{"windows-1253", 1253}, //ANSI Greek; Greek (Windows)
+	{"windows-1254", 1254}, //ANSI Turkish; Turkish (Windows)
+	{"windows-1255", 1255}, //ANSI Hebrew; Hebrew (Windows)
+	{"windows-1256", 1256}, //ANSI Arabic; Arabic (Windows)
+	{"windows-1257", 1257}, //ANSI Baltic; Baltic (Windows)
+	{"windows-1258", 1258}, //ANSI/OEM Vietnamese; Vietnamese (Windows)
+	{"johab", 1361}, //Korean (Johab)
+	{"macintosh", 10000}, //MAC Roman; Western European (Mac)
+	{"x-mac-japanese", 10001}, //Japanese (Mac)
+	{"x-mac-chinesetrad", 10002}, //MAC Traditional Chinese (Big5); Chinese Traditional (Mac)
+	{"x-mac-korean", 10003}, //Korean (Mac)
+	{"x-mac-arabic", 10004}, //Arabic (Mac)
+	{"x-mac-hebrew", 10005}, //Hebrew (Mac)
+	{"x-mac-greek", 10006}, //Greek (Mac)
+	{"x-mac-cyrillic", 10007}, //Cyrillic (Mac)
+	{"x-mac-chinesesimp", 10008}, //MAC Simplified Chinese (GB 2312); Chinese Simplified (Mac)
+	{"x-mac-romanian", 10010}, //Romanian (Mac)
+	{"x-mac-ukrainian", 10017}, //Ukrainian (Mac)
+	{"x-mac-thai", 10021}, //Thai (Mac)
+	{"x-mac-ce", 10029}, //MAC Latin 2; Central European (Mac)
+	{"x-mac-icelandic", 10079}, //Icelandic (Mac)
+	{"x-mac-turkish", 10081}, //Turkish (Mac)
+	{"x-mac-croatian", 10082}, //Croatian (Mac)
+	{"utf-32", 12000}, //Unicode UTF-32, little endian byte order; available only to managed applications
+	{"utf-32be", 12001}, //Unicode UTF-32, big endian byte order; available only to managed applications
+	{"x-chinese_cns", 20000}, //CNS Taiwan; Chinese Traditional (CNS)
+	{"x-cp20001", 20001}, //TCA Taiwan
+	{"x_chinese-eten", 20002}, //Eten Taiwan; Chinese Traditional (Eten)
+	{"x-cp20003", 20003}, //IBM5550 Taiwan
+	{"x-cp20004", 20004}, //TeleText Taiwan
+	{"x-cp20005", 20005}, //Wang Taiwan
+	{"x-ia5", 20105}, //IA5 (IRV International Alphabet No. 5, 7-bit); Western European (IA5)
+	{"x-ia5-german", 20106}, //IA5 German (7-bit)
+	{"x-ia5-swedish", 20107}, //IA5 Swedish (7-bit)
+	{"x-ia5-norwegian", 20108}, //IA5 Norwegian (7-bit)
+	{"us-ascii", 20127}, //US-ASCII (7-bit)
+	{"x-cp20261", 20261}, //T.61
+	{"x-cp20269", 20269}, //ISO 6937 Non-Spacing Accent
+	{"ibm273", 20273}, //IBM EBCDIC Germany
+	{"ibm277", 20277}, //IBM EBCDIC Denmark-Norway
+	{"ibm278", 20278}, //IBM EBCDIC Finland-Sweden
+	{"ibm280", 20280}, //IBM EBCDIC Italy
+	{"ibm284", 20284}, //IBM EBCDIC Latin America-Spain
+	{"ibm285", 20285}, //IBM EBCDIC United Kingdom
+	{"ibm290", 20290}, //IBM EBCDIC Japanese Katakana Extended
+	{"ibm297", 20297}, //IBM EBCDIC France
+	{"ibm420", 20420}, //IBM EBCDIC Arabic
+	{"ibm423", 20423}, //IBM EBCDIC Greek
+	{"ibm424", 20424}, //IBM EBCDIC Hebrew
+	{"x-ebcdic-koreanextended", 20833}, //IBM EBCDIC Korean Extended
+	{"ibm-thai", 20838}, //IBM EBCDIC Thai
+	{"koi8-r", 20866}, //Russian (KOI8-R); Cyrillic (KOI8-R)
+	{"ibm871", 20871}, //IBM EBCDIC Icelandic
+	{"ibm880", 20880}, //IBM EBCDIC Cyrillic Russian
+	{"ibm905", 20905}, //IBM EBCDIC Turkish
+	{"ibm00924", 20924}, //IBM EBCDIC Latin 1/Open System (1047 + Euro symbol)
+	{"euc-jp", 20932}, //Japanese (JIS 0208-1990 and 0212-1990)
+	{"x-cp20936", 20936}, //Simplified Chinese (GB2312); Chinese Simplified (GB2312-80)
+	{"x-cp20949", 20949}, //Korean Wansung
+	{"cp1025", 21025}, //IBM EBCDIC Cyrillic Serbian-Bulgarian
+	{"deprecated", 21027},		//(deprecated)
+	{"koi8-u", 21866}, //Ukrainian (KOI8-U); Cyrillic (KOI8-U)
+	{"iso-8859-1", 28591}, //ISO 8859-1 Latin 1; Western European (ISO)
+	{"iso-8859-2", 28592}, //ISO 8859-2 Central European; Central European (ISO)
+	{"iso-8859-3", 28593}, //ISO 8859-3 Latin 3
+	{"iso-8859-4", 28594}, //ISO 8859-4 Baltic
+	{"iso-8859-5", 28595}, //ISO 8859-5 Cyrillic
+	{"iso-8859-6", 28596}, //ISO 8859-6 Arabic
+	{"kIso-8859-7", 28597}, //ISO 8859-7 Greek
+	{"iso-8859-8", 28598}, //ISO 8859-8 Hebrew; Hebrew (ISO-Visual)
+	{"iso-8859-9", 28599}, //ISO 8859-9 Turkish
+	{"iso-8859-13", 28603}, //ISO 8859-13 Estonian
+	{"iso-8859-15", 28605}, //ISO 8859-15 Latin 9
+	{"x-europa", 29001}, //Europa 3
+	{"iso-8859-8-i", 38598}, //ISO 8859-8 Hebrew; Hebrew (ISO-Logical)
+	{"iso-2022-jp", 50220}, //ISO 2022 Japanese with no halfwidth Katakana; Japanese (JIS)
+	{"csiso2022jp", 50221}, //ISO 2022 Japanese with halfwidth Katakana; Japanese (JIS-Allow 1 byte Kana)
+	{"iso-2022-jp", 50222}, //ISO 2022 Japanese JIS X 0201-1989; Japanese (JIS-Allow 1 byte Kana - SO/SI)
+	{"iso-2022-kr", 50225}, //ISO 2022 Korean
+	{"x-cp50227", 50227}, //ISO 2022 Simplified Chinese; Chinese Simplified (ISO 2022)
+	{"iso2022", 50229}, //Traditional Chinese
+	{"ebcdic1", 50930}, //Japanese (Katakana) Extended
+	{"ebcdic2", 50931}, //US-Canada and Japanese
+	{"ebcdic3", 50933}, //Korean Extended and Korean
+	{"ebcdic4", 50935}, //Simplified Chinese Extended and Simplified Chinese
+	{"ebcdic5", 50936}, //Simplified Chinese
+	{"ebcdic6", 50937}, //US-Canada and Traditional Chinese
+	{"ebcdic7", 50939}, //Japanese (Latin) Extended and Japanese
+	{"euc-jp", 51932}, //EUC Japanese
+	{"euc-cn", 51936}, //EUC Simplified Chinese; Chinese Simplified (EUC)
+	{"euc-kr", 51949}, //EUC Korean
+	{"euc", 51950}, //Traditional Chinese
+	{"hz-gb-2312", 52936}, //HZ-GB2312 Simplified Chinese; Chinese Simplified (HZ)
+	{"gb18030", 54936}, //Windows XP and later: GB18030 Simplified Chinese (4 byte); Chinese Simplified (GB18030)
+	{"x-iscii-de", 57002}, //ISCII Devanagari
+	{"x-iscii-be", 57003}, //ISCII Bangla
+	{"x-iscii-ta", 57004}, //ISCII Tamil
+	{"x-iscii-te", 57005}, //ISCII Telugu
+	{"x-iscii-as", 57006}, //ISCII Assamese
+	{"x-iscii-or", 57007}, //ISCII Odia
+	{"x-iscii-ka", 57008}, //ISCII Kannada
+	{"x-iscii-ma", 57009}, //ISCII Malayalam
+	{"x-iscii-gu", 57010}, //ISCII Gujarati
+	{"x-iscii-pa", 57011}, //ISCII Punjabi
+	{"utf-7", 65000}, //Unicode (UTF-7)
+	{"utf-8", 65001}, //Unicode (UTF-8) 
+	{nullptr, 0}	  //End
+};
+
+int getCodePageId(Common::String name);
+}