Using own versions of wide char classification funcs to disjoint code from LC_CTYPE

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@2164 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/sc2code/getchar.c

@@ -74,12 +74,6 @@ LoadJoystickAlpha (STRING String, int *count)
 	return chars;
 }
 
-static inline int
-IsPrintableChar (wchar_t ch)
-{
-	return iswgraph (ch) || (ch == ' ');
-}
-
 static int
 JoyCharFindIn (const joy_char_t *ch, const joy_char_t *set,
 		int setsize)
@@ -212,7 +206,7 @@ DoTextEntry (PTEXTENTRY_STATE pTES)
 		pTES->JoystickMode = FALSE;
 
 		chsize = getStringFromChar (chbuf, sizeof (chbuf), ch);
-		if (IsPrintableChar (ch) && chsize > 0
+		if (isWidePrintChar (ch) && chsize > 0
 				&& (pStr + len - pTES->BaseStr + chsize < pTES->MaxSize))
 		{	// insert character
 			memmove (pStr + chsize, pStr, len + 1);

sc2/src/sc2code/libs/strings/unicode.c

@@ -407,3 +407,18 @@ getStringFromWide(unsigned char *ptr, size_t size, const wchar_t *wstr)
 	
 	return getStringFromWideN(ptr, size, wstr, (end - wstr));
 }
+
+int
+isWideGraphChar(wchar_t ch)
+{	// this is not technically sufficient, but close enough for us
+	// we'll consider all non-control (CO and C1) chars in 'graph' class
+	return (ch > 0xa0) || (ch > 0x20 && ch < 0x7f);
+}
+
+int
+isWidePrintChar(wchar_t ch)
+{	// this is not technically sufficient, but close enough for us
+	// chars in 'print' class are 'graph' + 'space' classes
+	// the only space we currently have defined is 0x20
+	return (ch == 0x20) || isWideGraphChar(ch);
+}

sc2/src/sc2code/libs/strlib.h

@@ -68,7 +68,8 @@ size_t getStringFromWideN(unsigned char *ptr, size_t size,
 		const wchar_t *wstr, size_t count);
 size_t getStringFromWide(unsigned char *ptr, size_t size,
 		const wchar_t *wstr);
-
+int isWideGraphChar(wchar_t ch);
+int isWidePrintChar(wchar_t ch);
 
 #endif /* _STRLIB_H */