X-Git-Url: https://de.git.xonotic.org/?p=xonotic%2Fxonotic-data.pk3dir.git;a=blobdiff_plain;f=qcsrc%2Flib%2Fstring.qh;h=c4b594d40fd846cf81b6e5e20de920abbb110642;hp=9f0c5ca13bcaea342e6e27537931dc7b076aeff4;hb=45d8904a100765555e622598a39967963733df1d;hpb=d5a954d00e5c66bd5e68eadef172e50cf392bc4c

diff --git a/qcsrc/lib/string.qh b/qcsrc/lib/string.qh
index 9f0c5ca13..c4b594d40 100644
--- a/qcsrc/lib/string.qh
+++ b/qcsrc/lib/string.qh
@@ -4,6 +4,25 @@
 #include "sort.qh"
 #include "oo.qh"
 
+// string logic
+//
+// true: is truthy
+// == "": is equal to ""
+// is "": has the same string index as the string constant ""
+// strunzone: can be strunzoned
+//
+// |              | true | == "" | is "" | strunzone |
+// | :----------: | :--: | :---: | :---: | :-------: |
+// | nil          |      | yes   |       |           |
+// | strcat(nil)  | yes  | yes   |       |           |
+// | strzone(nil) | yes  | yes   |       | yes       |
+// | ""           | yes  | yes   | yes   |           |
+// | strcat("")   | yes  | yes   |       |           |
+// | strzone("")  | yes  | yes   |       | yes       |
+// | "s"          | yes  |       |       |           |
+// | strcat("s")  | yes  |       |       |           |
+// | strzone("s") | yes  |       |       | yes       |
+
 #ifdef CSQC
 	float stringwidth_colors(string s, vector theSize)
 	{
@@ -27,6 +46,21 @@
 	}
 #endif
 
+#define strcpy(this, s) MACRO_BEGIN \
+	if (this) { \
+		strunzone(this); \
+	} \
+	this = strzone(s); \
+MACRO_END
+
+#define strfree(this) MACRO_BEGIN \
+	if (this) { \
+		strunzone(this); \
+	} \
+	this = string_null; \
+MACRO_END
+
+ERASEABLE
 string seconds_tostring(float sec)
 {
 	float minutes = floor(sec / 60);
@@ -34,6 +68,7 @@ string seconds_tostring(float sec)
 	return sprintf("%d:%02d", minutes, sec);
 }
 
+ERASEABLE
 string format_time(float seconds)
 {
 	seconds = floor(seconds + 0.5);
@@ -47,6 +82,7 @@ string format_time(float seconds)
 	else return sprintf(_("%02d:%02d:%02d"), hours, minutes, seconds);
 }
 
+ERASEABLE
 string mmsss(float tenths)
 {
 	tenths = floor(tenths + 0.5);
@@ -56,6 +92,7 @@ string mmsss(float tenths)
 	return strcat(ftos(minutes), ":", substring(s, 1, 2), ".", substring(s, 3, 1));
 }
 
+ERASEABLE
 string mmssss(float hundredths)
 {
 	hundredths = floor(hundredths + 0.5);
@@ -67,6 +104,7 @@ string mmssss(float hundredths)
 
 int ColorTranslateMode;
 
+ERASEABLE
 string ColorTranslateRGB(string s)
 {
 	return (ColorTranslateMode & 1) ? strdecolorize(s) : s;
@@ -111,6 +149,7 @@ string CCR(string input)
 
 #define startsWith(haystack, needle) (strstrofs(haystack, needle, 0) == 0)
 
+ERASEABLE
 bool startsWithNocase(string haystack, string needle)
 {
 	return strcasecmp(substring(haystack, 0, strlen(needle)), needle) == 0;
@@ -120,6 +159,7 @@ noref string _endsWith_suffix;
 #define endsWith(this, suffix) (_endsWith_suffix = suffix, substring(this, -strlen(_endsWith_suffix), -1) == _endsWith_suffix)
 
 /** unzone the string, and return it as tempstring. Safe to be called on string_null */
+ERASEABLE
 string fstrunzone(string s)
 {
 	if (!s) return s;
@@ -129,6 +169,7 @@ string fstrunzone(string s)
 }
 
 /** returns first word */
+ERASEABLE
 string car(string s)
 {
 	int o = strstrofs(s, " ", 0);
@@ -137,6 +178,7 @@ string car(string s)
 }
 
 /** returns all but first word */
+ERASEABLE
 string cdr(string s)
 {
 	int o = strstrofs(s, " ", 0);
@@ -144,6 +186,7 @@ string cdr(string s)
 	return substring(s, o + 1, strlen(s) - (o + 1));
 }
 
+ERASEABLE
 string cons(string a, string b)
 {
 	if (a == "") return b;
@@ -151,11 +194,21 @@ string cons(string a, string b)
 	return strcat(a, " ", b);
 }
 
+ERASEABLE
+string cons_mid(string a, string mid, string b)
+{
+	if (a == "") return b;
+	if (b == "") return a;
+	return strcat(a, mid, b);
+}
+
+ERASEABLE
 string substring_range(string s, float b, float e)
 {
 	return substring(s, b, e - b);
 }
 
+ERASEABLE
 string swapwords(string str, float i, float j)
 {
 	float n;
@@ -177,10 +230,13 @@ string swapwords(string str, float i, float j)
 }
 
 string _shufflewords_str;
+ERASEABLE
 void _shufflewords_swapfunc(float i, float j, entity pass)
 {
 	_shufflewords_str = swapwords(_shufflewords_str, i, j);
 }
+
+ERASEABLE
 string shufflewords(string str)
 {
 	_shufflewords_str = str;
@@ -191,6 +247,7 @@ string shufflewords(string str)
 	return str;
 }
 
+ERASEABLE
 string unescape(string in)
 {
 	in = strzone(in);  // but it doesn't seem to be necessary in my tests at least
@@ -215,6 +272,7 @@ string unescape(string in)
 	return str;
 }
 
+ERASEABLE
 string strwords(string s, int w)
 {
 	int endpos = 0;
@@ -226,6 +284,7 @@ string strwords(string s, int w)
 
 #define strhasword(s, w) (strstrofs(strcat(" ", s, " "), strcat(" ", w, " "), 0) >= 0)
 
+ERASEABLE
 int u8_strsize(string s)
 {
 	int l = 0;
@@ -238,6 +297,8 @@ int u8_strsize(string s)
 	return l;
 }
 
+// List of Unicode spaces: http://jkorpela.fi/chars/spaces.html
+ERASEABLE
 bool isInvisibleString(string s)
 {
 	s = strdecolorize(s);
@@ -253,8 +314,26 @@ bool isInvisibleString(string s)
 			case 192:          // charmap space
 				if (!utf8) break;
 				return false;
-			case 160:          // space in unicode fonts
 			case 0xE000 + 192: // utf8 charmap space
+			case 0x00A0: // NO-BREAK SPACE
+			//case 0x1680: // OGHAM SPACE MARK
+			case 0x180E: // MONGOLIAN VOWEL SEPARATOR
+			case 0x2000: // EN QUAD
+			case 0x2001: // EM QUAD
+			case 0x2002: // EN SPACE
+			case 0x2003: // EM SPACE
+			case 0x2004: // THREE-PER-EM SPACE
+			case 0x2005: // FOUR-PER-EM SPACE
+			case 0x2006: // SIX-PER-EM SPACE
+			case 0x2007: // FIGURE SPACE
+			case 0x2008: // PUNCTUATION SPACE
+			case 0x2009: // THIN SPACE
+			case 0x200A: // HAIR SPACE
+			case 0x200B: // ZERO WIDTH SPACE
+			case 0x202F: // NARROW NO-BREAK SPACE
+			case 0x205F: // MEDIUM MATHEMATICAL SPACE
+			case 0x3000: // IDEOGRAPHIC SPACE
+			case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE
 				if (utf8) break;
 			default:
 				return false;
@@ -265,6 +344,7 @@ bool isInvisibleString(string s)
 
 // Multiline text file buffers
 
+ERASEABLE
 int buf_load(string pFilename)
 {
 	int buf = buf_create();
@@ -282,6 +362,7 @@ int buf_load(string pFilename)
 	return buf;
 }
 
+ERASEABLE
 void buf_save(float buf, string pFilename)
 {
 	int fh = fopen(pFilename, FILE_WRITE);
@@ -295,6 +376,7 @@ void buf_save(float buf, string pFilename)
 /**
  * converts a number to a string with the indicated number of decimals
  */
+ERASEABLE
 string ftos_decimals(float number, int decimals)
 {
 	// inhibit stupid negative zero
@@ -305,6 +387,7 @@ string ftos_decimals(float number, int decimals)
 /**
  * converts a number to a string with the minimum number of decimals
  */
+ERASEABLE
 string ftos_mindecimals(float number)
 {
 	// inhibit stupid negative zero
@@ -312,6 +395,7 @@ string ftos_mindecimals(float number)
 	return sprintf("%.7g", number);
 }
 
+ERASEABLE
 int vercmp_recursive(string v1, string v2)
 {
 	int dot1 = strstrofs(v1, ".", 0);
@@ -330,6 +414,7 @@ int vercmp_recursive(string v1, string v2)
 	else return (dot2 == -1) ? 1 : vercmp_recursive(substring(v1, dot1 + 1, 999), substring(v2, dot2 + 1, 999));
 }
 
+ERASEABLE
 int vercmp(string v1, string v2)
 {
 	if (strcasecmp(v1, v2) == 0) return 0;  // early out check