From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 5 Oct 2003 13:48:03 +0000 (+0000)
Subject: added COM_ReadAndTokenizeLine, a useful parsing function
X-Git-Tag: xonotic-v0.1.0preview~6346
X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=commitdiff_plain;h=0421c486613a2ac0363f8e8746cd593b45e0de01

added COM_ReadAndTokenizeLine, a useful parsing function


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3539 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/common.c b/common.c
index e8c0893f..01609278 100644
--- a/common.c
+++ b/common.c
@@ -884,6 +884,55 @@ int COM_StringBeginsWith(const char *s, const char *match)
 	return true;
 }
 
+int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize)
+{
+	int argc;
+	char *tokenbufend;
+	const char *l;
+	argc = 0;
+	tokenbufend = tokenbuf + tokenbufsize;
+	l = *text;
+	while (*l && *l != '\n')
+	{
+		if (*l > ' ')
+		{
+			if (argc >= maxargc)
+				return -1;
+			argv[argc++] = tokenbuf;
+			if (*l == '"')
+			{
+				l++;
+				while (*l && *l != '"')
+				{
+					if (tokenbuf >= tokenbufend)
+						return -1;
+					*tokenbuf++ = *l++;
+				}
+				if (*l == '"')
+					l++;
+			}
+			else
+			{
+				while (*l > ' ')
+				{
+					if (tokenbuf >= tokenbufend)
+						return -1;
+					*tokenbuf++ = *l++;
+				}
+			}
+			if (tokenbuf >= tokenbufend)
+				return -1;
+			*tokenbuf++ = 0;
+		}
+		else
+			l++;
+	}
+	if (*l == '\n')
+		l++;
+	*text = l;
+	return argc;
+}
+
 // written by Elric, thanks Elric!
 char *SearchInfostring(const char *infostring, const char *key)
 {
diff --git a/common.h b/common.h
index 832561a2..a10242a6 100644
--- a/common.h
+++ b/common.h
@@ -180,6 +180,8 @@ void COM_ToLowerString (const char *in, char *out, size_t size_out);
 void COM_ToUpperString (const char *in, char *out, size_t size_out);
 int COM_StringBeginsWith(const char *s, const char *match);
 
+int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize);
+
 typedef struct stringlist_s
 {
 	struct stringlist_s *next;