From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001
From: Jef <jef@targetspot.com>
Date: Tue, 24 Sep 2024 14:54:57 +0200
Subject: Initial community commit

---
 Src/xml/encodings_c.cpp | 90 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Src/xml/encodings_c.cpp

(limited to 'Src/xml/encodings_c.cpp')

diff --git a/Src/xml/encodings_c.cpp b/Src/xml/encodings_c.cpp
new file mode 100644
index 00000000..caf0ed19
--- /dev/null
+++ b/Src/xml/encodings_c.cpp
@@ -0,0 +1,90 @@
+#include "expat/expat.h"
+#include <CoreFoundation/CoreFoundation.h>
+#include <wchar.h>
+// TODO: make this work
+
+struct AppleEncodings
+{
+	const wchar_t *name;
+	CFStringEncoding codePage;
+};
+
+static const AppleEncodings encodings[] = 
+{
+	{L"iso-8859-2", kCFStringEncodingISOLatin2},
+	{L"iso-8859-3", kCFStringEncodingISOLatin3},
+	{L"iso-8859-4", kCFStringEncodingISOLatin4},
+	{L"iso-8859-5", kCFStringEncodingISOLatinCyrillic},
+	{L"iso-8859-6", kCFStringEncodingISOLatinArabic},
+	{L"iso-8859-7", kCFStringEncodingISOLatinGreek},
+	{L"iso-8859-8", kCFStringEncodingISOLatinHebrew},
+	{L"iso-8859-9", kCFStringEncodingISOLatin5},
+	{L"iso-8859-10", kCFStringEncodingISOLatin6},
+	{L"iso-8859-11", kCFStringEncodingISOLatinThai},
+	{L"iso-8859-13", kCFStringEncodingISOLatin7},
+	{L"iso-8859-14", kCFStringEncodingISOLatin8},
+	{L"iso-8859-15", kCFStringEncodingISOLatin9},
+	{L"windows-1251", kCFStringEncodingWindowsCyrillic},
+	{L"windows-1252", kCFStringEncodingWindowsLatin1},
+	{L"windows-1253", kCFStringEncodingWindowsGreek},
+	{L"windows-1254", kCFStringEncodingWindowsLatin5},
+	{L"windows-1255", kCFStringEncodingWindowsHebrew},
+	{L"windows-1256", kCFStringEncodingWindowsArabic},
+	{L"windows-1257", kCFStringEncodingWindowsBalticRim},
+	{L"windows-1258", kCFStringEncodingWindowsVietnamese},
+
+};
+
+static void MakeMap(int *map, CFStringEncoding encoding)
+{
+	unsigned char i=0;
+	unsigned char mb[2] = {0,0};
+	do
+	{
+		mb[0]=i;
+		// if (IsDBLeadByteEx(codepage, i)) map[i]=-2; else {
+    CFStringRef cfstr =  CFStringCreateWithBytes(kCFAllocatorDefault, (UInt8 *)mb, 1, encoding, false);
+    if (!cfstr || CFStringGetBytes(cfstr, CFRangeMake(0,1), kCFStringEncodingUTF32, 0, false, (UInt8 *)(map+i), sizeof(*map), 0))
+    {
+      map[i]=-1;
+    }
+		// }
+	} while (i++ != 255);
+}
+
+static bool wcsmatch(const wchar_t *a, const wchar_t *b)
+{
+  if (!a || !b)
+    return false; // wtf
+  
+  while (*a || *b)
+  {
+    if (!*a)
+      return false;
+    if (!*b)
+      return false;
+    
+    if (towlower(*a) != towlower(*b))
+      return false;
+    a++;
+    b++;
+  }
+
+  return true;
+}
+#define NUM_ENCODINGS (sizeof(encodings)/sizeof(AppleEncodings))
+int XMLCALL UnknownEncoding(void *data, const XML_Char *name, XML_Encoding *info)
+{
+	for (int i=0;i<NUM_ENCODINGS;i++)
+	{
+		if (!wcsmatch(name, encodings[i].name))
+		{
+			MakeMap(info->map, encodings[i].codePage);
+			info->data = 0;
+			info->convert = 0;
+			info->release = 0;
+			return XML_STATUS_OK;
+		}
+	}
+	return XML_STATUS_ERROR;
+}
-- 
cgit