From c4acf9641437d9f57d0e375a3550f26847594cd1 Mon Sep 17 00:00:00 2001
From: rswindell <>
Date: Fri, 7 Mar 2003 04:53:46 +0000
Subject: [PATCH] Added global ctrl() method to return an ASCII control
character (as a string) that represents the character string (or ASCII value)
passed. Example: ctrl('C') returns '\3'.
---
src/sbbs3/js_global.c | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/src/sbbs3/js_global.c b/src/sbbs3/js_global.c
index 195caea0fa..dd04a47111 100644
--- a/src/sbbs3/js_global.c
+++ b/src/sbbs3/js_global.c
@@ -315,6 +315,35 @@ js_ascii(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
return(JS_TRUE);
}
+static JSBool
+js_ctrl(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
+{
+ char ch;
+ char* p;
+ char str[2];
+ JSString* js_str;
+
+ if(JSVAL_IS_STRING(argv[0])) {
+
+ if((p=JS_GetStringBytes(JSVAL_TO_STRING(argv[0])))==NULL)
+ return(JS_FALSE);
+ ch=*p;
+ } else
+ ch=(char)JSVAL_TO_INT(argv[0]);
+
+ ch=toupper(ch)&~0x20;
+
+ str[0]=*p;
+ str[1]=0;
+
+ if((js_str = JS_NewStringCopyZ(cx, str))==NULL)
+ return(JS_FALSE);
+
+ *rval = STRING_TO_JSVAL(js_str);
+ return(JS_TRUE);
+}
+
+
static char* dupestr(char* str)
{
char* p;
@@ -823,7 +852,10 @@ static jsMethodSpec js_global_functions[] = {
},
{"chksum", js_chksum, 1, JSTYPE_NUMBER, JSDOCSTR("string text")
,JSDOCSTR("calculate and return 32-bit chksum of string")
- },
+ },
+ {"ctrl", js_ctrl, 1, JSTYPE_STRING, JSDOCSTR("number or string")
+ ,JSDOCSTR("return ASCII control character representing character passed - Example: <tt>ctrl('C') returns '\3'</tt>")
+ },
{"ascii", js_ascii, 1, JSTYPE_NUMBER, JSDOCSTR("[string text] or [number value]")
,JSDOCSTR("convert string to ASCII value or vice-versa (returns number OR string)")
},
--
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