X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2Fmoof%2Fstring.cc;fp=src%2Fmoof%2Fstring.cc;h=a2c27bb25cf3b670d9b04c66c498c55e53530f9e;hp=0000000000000000000000000000000000000000;hb=831f04d4bc19a390415ac0bbac4331c7a65509bc;hpb=299af4f2047e767e5d79501c26444473bda64c64

diff --git a/src/moof/string.cc b/src/moof/string.cc
new file mode 100644
index 0000000..a2c27bb
--- /dev/null
+++ b/src/moof/string.cc
@@ -0,0 +1,141 @@
+
+/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
+**]  All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
+
+#include <stdexcept>
+
+#include "ConvertUTF.h"
+#include "string.hh"
+
+
+namespace moof {
+
+
+// TODO this code is ugly
+
+wstring multi_to_wide(const string& multi)
+{
+	size_t length = multi.length();
+
+	if (sizeof(wchar_t) == 2)
+	{
+		wchar_t* wide = new wchar_t[length + 1];
+
+		const UTF8* srcStart = reinterpret_cast<const UTF8*>(multi.c_str());
+		const UTF8* srcEnd = srcStart + length;
+		UTF16* targetStart = reinterpret_cast<UTF16*>(wide);
+		UTF16* targetEnd = targetStart + length+1;
+
+		ConversionResult res = ConvertUTF8toUTF16(&srcStart, srcEnd,
+				&targetStart, targetEnd, lenientConversion);
+		if (res != conversionOK)
+		{
+			delete[] wide;
+			throw std::runtime_error("bad conversion from multi to wide characters");
+		}
+
+		*targetStart = 0;
+		wstring convertedStr(wide);
+		delete[] wide;
+
+		return convertedStr;
+	}
+	else if (sizeof(wchar_t) == 4)
+	{
+		wchar_t* wide = new wchar_t[length];
+
+		const UTF8* srcStart = reinterpret_cast<const UTF8*>(multi.c_str());
+		const UTF8* srcEnd = srcStart + length;
+		UTF32* targetStart = reinterpret_cast<UTF32*>(wide);
+		UTF32* targetEnd = targetStart + length;
+
+		ConversionResult res = ConvertUTF8toUTF32(&srcStart, srcEnd,
+				&targetStart, targetEnd, lenientConversion);
+		if (res != conversionOK)
+		{
+			delete[] wide;
+			throw std::runtime_error("bad conversion from multi to wide characters");
+		}
+
+		*targetStart = 0;
+		wstring convertedStr(wide);
+		delete[] wide;
+
+		return convertedStr;
+	}
+	else
+	{
+		throw std::runtime_error("unknown size of wide characters");
+	}
+	return L"";
+}
+
+string wide_to_multi(const wstring& wide)
+{
+	size_t length = wide.length();
+
+	if (sizeof(wchar_t) == 2)
+	{
+		size_t multiLength = 3 * length + 1;
+		char* multi = new char[multiLength];
+
+		const UTF16* srcStart = reinterpret_cast<const UTF16*>(wide.c_str());
+		const UTF16* srcEnd = srcStart + length;
+		UTF8* targetStart = reinterpret_cast<UTF8*>(multi);
+		UTF8* targetEnd = targetStart + multiLength;
+
+		ConversionResult res = ConvertUTF16toUTF8(&srcStart, srcEnd,
+				&targetStart, targetEnd, lenientConversion);
+		if (res != conversionOK)
+		{
+			delete[] multi;
+			throw std::runtime_error("bad conversion from wide to multi-characters");
+		}
+
+		*targetStart = 0;
+		string convertedStr(multi);
+		delete[] multi;
+
+		return convertedStr;
+	}
+	else if (sizeof(wchar_t) == 4)
+	{
+		size_t multiLength = 4 * length + 1;
+		char* multi = new char[multiLength];
+
+		const UTF32* srcStart = reinterpret_cast<const UTF32*>(wide.c_str());
+		const UTF32* srcEnd = srcStart + length;
+		UTF8* targetStart = reinterpret_cast<UTF8*>(multi);
+		UTF8* targetEnd = targetStart + multiLength;
+
+		ConversionResult res = ConvertUTF32toUTF8(&srcStart, srcEnd,
+				&targetStart, targetEnd, lenientConversion);
+		if (res != conversionOK)
+		{
+			delete[] multi;
+			throw std::runtime_error("bad conversion from wide to multi-characters");
+		}
+
+		*targetStart = 0;
+		string convertedStr(multi);
+		delete[] multi;
+
+		return convertedStr;
+	}
+	else
+	{
+		throw std::runtime_error("unknown size of wide characters");
+	}
+	return "";
+}
+
+
+} // namespace moof
+