X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=utf8lib.c;h=76cc813766d944ed399efdb03f633524ace59187;hp=b726e220d9768ca01d82b973aba0d5d464fecdd2;hb=5a4be9fc214e0831a862d51f702510d2a002fa4b;hpb=3ceec78e79383ada2e6abe25e5a6e5f067259427

diff --git a/utf8lib.c b/utf8lib.c
index b726e220..76cc8137 100644
--- a/utf8lib.c
+++ b/utf8lib.c
@@ -226,6 +226,29 @@ size_t u8_strlen(const char *_s)
 	return len;
 }
 
+static int colorcode_skipwidth(const unsigned char *s)
+{
+	if(*s == STRING_COLOR_TAG)
+	{
+		if(s[1] <= '9' && s[1] >= '0') // ^[0-9] found
+		{
+			return 2;
+		}
+		else if(s[1] == STRING_COLOR_RGB_TAG_CHAR &&
+			((s[2] >= '0' && s[2] <= '9') || (s[2] >= 'a' && s[2] <= 'f') || (s[2] >= 'A' && s[2] <= 'F')) &&
+			((s[3] >= '0' && s[3] <= '9') || (s[3] >= 'a' && s[3] <= 'f') || (s[3] >= 'A' && s[3] <= 'F')) &&
+			((s[4] >= '0' && s[4] <= '9') || (s[4] >= 'a' && s[4] <= 'f') || (s[4] >= 'A' && s[4] <= 'F')))
+		{
+			return 5;
+		}
+		else if(s[1] == STRING_COLOR_TAG)
+		{
+			return 1; // special case, do NOT call colorcode_skipwidth for next char
+		}
+	}
+	return 0;
+}
+
 /** Get the number of characters in a part of an UTF-8 string.
  * @param _s    An utf-8 encoded null-terminated string.
  * @param n     The maximum number of bytes.
@@ -274,6 +297,49 @@ size_t u8_strnlen(const char *_s, size_t n)
 	return len;
 }
 
+static size_t u8_strnlen_colorcodes(const char *_s, size_t n)
+{
+	size_t st, ln;
+	size_t len = 0;
+	const unsigned char *s = (const unsigned char*)_s;
+
+	while (*s && n)
+	{
+		int w = colorcode_skipwidth(s);
+		n -= w;
+		s += w;
+		if(w > 1) // == 1 means single caret
+			continue;
+
+		// ascii char, skip u8_analyze
+		if (*s < 0x80 || !utf8_enable.integer)
+		{
+			++len;
+			++s;
+			--n;
+			continue;
+		}
+
+		// invalid, skip u8_analyze
+		if (*s < 0xC2)
+		{
+			++s;
+			--n;
+			continue;
+		}
+
+		if (!u8_analyze((const char*)s, &st, &ln, NULL, n))
+			break;
+		// valid character, see if it's still inside the range specified by n:
+		if (n < st + ln)
+			return len;
+		++len;
+		n -= st + ln;
+		s += st + ln;
+	}
+	return len;
+}
+
 /** Get the number of bytes used in a string to represent an amount of characters.
  * @param _s    An utf-8 encoded null-terminated string.
  * @param n     The number of characters we want to know the byte-size for.
@@ -318,6 +384,46 @@ size_t u8_bytelen(const char *_s, size_t n)
 	return len;
 }
 
+static size_t u8_bytelen_colorcodes(const char *_s, size_t n)
+{
+	size_t st, ln;
+	size_t len = 0;
+	const unsigned char *s = (const unsigned char*)_s;
+
+	while (*s && n)
+	{
+		int w = colorcode_skipwidth(s);
+		len += w;
+		s += w;
+		if(w > 1) // == 1 means single caret
+			continue;
+
+		// ascii char, skip u8_analyze
+		if (*s < 0x80 || !utf8_enable.integer)
+		{
+			++len;
+			++s;
+			--n;
+			continue;
+		}
+
+		// invalid, skip u8_analyze
+		if (*s < 0xC2)
+		{
+			++s;
+			++len;
+			continue;
+		}
+
+		if (!u8_analyze((const char*)s, &st, &ln, NULL, U8_ANALYZE_INFINITY))
+			break;
+		--n;
+		s += st + ln;
+		len += st + ln;
+	}
+	return len;
+}
+
 /** Get the byte-index for a character-index.
  * @param _s      An utf-8 encoded string.
  * @param i       The character-index for which you want the byte offset.
@@ -596,15 +702,14 @@ int u8_fromchar(Uchar w, char *to, size_t maxlen)
  * @param l         The number of bytes without the terminating null.
  * @return          A statically allocated buffer containing the character's utf8 representation, or NULL if it fails.
  */
-char *u8_encodech(Uchar ch, size_t *l)
+char *u8_encodech(Uchar ch, size_t *l, char *buf16)
 {
-	static char buf[16];
 	size_t len;
-	len = u8_fromchar(ch, buf, sizeof(buf));
+	len = u8_fromchar(ch, buf16, 16);
 	if (len > 0)
 	{
 		if (l) *l = len;
-		return buf;
+		return buf16;
 	}
 	return NULL;
 }
@@ -799,6 +904,17 @@ size_t u8_strpad(char *out, size_t outsize, const char *in, qboolean leftalign,
 	}
 }
 
+size_t u8_strpad_colorcodes(char *out, size_t outsize, const char *in, qboolean leftalign, size_t minwidth, size_t maxwidth)
+{
+	size_t l = u8_bytelen_colorcodes(in, maxwidth);
+	size_t actual_width = u8_strnlen_colorcodes(in, l);
+	int pad = (actual_width >= minwidth) ? 0 : (minwidth - actual_width);
+	int prec = l;
+	int lpad = leftalign ? 0 : pad;
+	int rpad = leftalign ? pad : 0;
+	return dpsnprintf(out, outsize, "%*s%.*s%*s", lpad, "", prec, in, rpad, "");
+}
+
 
 /*
 The two following functions (u8_toupper, u8_tolower) are derived from