e

AceVM/disks/1h/sys/kernel/glib/string.lua

@@ -0,0 +1,53 @@
+-- Copyright (C) 2025 ASTRONAND
+function string.hasSuffix(str, suffix)
+    return string.sub(str, #suffix+1) == suffix
+end
+
+function string.hasPrefix(str, prefix)
+    return string.sub(str, 1, #prefix) == prefix
+end
+
+function string.getSuffix(str, prefix)
+    return string.sub(str, #prefix+1)
+end
+
+function string.getPrefix(str, suffix)
+    return string.sub(str, 1, #suffix)
+end
+
+function string.join(delim, ...) 
+    return table.concat(table.pack(...), delim) 
+end
+
+function string.split(str, delim, maxResultCountOrNil)
+    assert(#delim == 1, "only delim len 1 supported for now")
+    maxResultCountOrNil = (maxResultCountOrNil or 0)-1
+    local rv = {}
+    local buf = ""
+    for i = 1, #str do
+        local c = string.sub(str,i,i)
+        if #rv ~= maxResultCountOrNil and c == delim then
+            table.insert(rv, buf)
+            buf = ""
+        else
+            buf = buf..c
+        end
+    end
+    table.insert(rv, buf)
+    return rv
+end
+
+function string.replace(str, search, replacement)
+    local rv = ""
+    local consumedLen = 1
+    local i = 1
+    while i<#str do
+        if string.sub(str, i, i+#search-1) == search then
+            rv = rv .. string.sub(str, consumedLen, i-1) .. replacement
+            i=i+#search
+            consumedLen = i
+        end
+        i=i+1
+    end
+    return rv .. string.sub(str, consumedLen)
+end