From fb968e9db3af780c0d538a01601c48ac1f66c6a5 Mon Sep 17 00:00:00 2001
From: flowtron <flowtron@users.sourceforge.net>
Date: Tue, 29 Mar 2011 19:03:20 +0000
Subject: [PATCH] CubeScript: strcpy

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@6158 e016b1c5-ed68-44aa-a2f7-31cac88cffde
---
 docs/reference.xml     | 28 ++++++++++++++++++++++++++++
 source/src/command.cpp | 16 ++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/docs/reference.xml b/docs/reference.xml
index c24d78a8..d24abee2 100644
--- a/docs/reference.xml
+++ b/docs/reference.xml
@@ -337,6 +337,34 @@
 					<return token="N" description="the equality" valueNotes="1 (equal) or 0 (unequal)"/>
 				</command>
 
+				<command name="strcpy">
+					<description>Copys a substring out of the original.</description>
+					<arguments>
+						<argument token="S" description="the original string"/>
+						<argument token="A" description="start position"/>
+						<argument token="B" description="end position"/>
+					</arguments>
+					<return token="S" description="the substring" />
+					<remarks>
+						<remark>Character indexes begins at 0. The end position is the char that is not included anymore.</remark>
+					</remarks>
+					<examples>
+					<example>
+						<code><![CDATA[echo (strcpy abcdefgh 2 5)
+						cde]]></code>
+					</example>
+					<example>
+						<code><![CDATA[echo (strcpy abcdefgh 2 3)
+						c]]></code>
+					</example>
+					<example>
+						<code><![CDATA[echo (strcpy abcdefgh 2)
+						cdefgh]]></code>
+					</example>
+
+					</examples>
+				</command>
+
 				<command name="if">
 					<description>Controls the script flow based on a boolean expression.</description>
 					<examples>
diff --git a/source/src/command.cpp b/source/src/command.cpp
index cd17ac80..e53aa584 100644
--- a/source/src/command.cpp
+++ b/source/src/command.cpp
@@ -1214,10 +1214,26 @@ void timestring_()
 
 int millis_() { extern int totalmillis; return totalmillis; }
 void strlen_(char *s) { string r; formatstring(r)("%d", strlen(s)); result(r); }
+void strcpy_(char *s, char *a, char *b)
+{
+	int ia = atoi(a);
+	int ib = atoi(b);
+	string q;
+	string r;
+	r[0] = '\0';
+	if(ia>=0)
+	{
+		if(ib<=0 && ib>=strlen(s)) ib = strlen(s)-1;
+		copystring(q,  s + ia);
+		strncpy(r, q, ib - ia);
+	}
+	result(r);
+}
 void l0(int p, int v) { string f; string r; formatstring(f)("%%0%dd", p); formatstring(r)(f, v); result(r); }
 
 COMMANDN(millis, millis_, ARG_IVAL);
 COMMANDN(strlen, strlen_, ARG_1STR);
+COMMANDN(strcpy, strcpy_, ARG_3STR);
 COMMAND(l0, ARG_2INT);
 COMMAND(systime, ARG_NONE);
 COMMANDN(timestamp, timestamp_, ARG_NONE);