[Feat] 实现 std.formater库，增加 std.io.printf函数

[Fix] 修复 evaluator中处理else if condVal类型错误的低级问题 [Feat] 为 String类型增加 insert, replace, erase函数
2025-12-29 18:27:39 +08:00
parent cd106fc513
commit 2a455a0487
6 changed files with 335 additions and 14 deletions
--- a/src/Module/Library/std/formater/formater.fig
+++ b/src/Module/Library/std/formater/formater.fig
@@ -0,0 +1,178 @@
+/*
+    Official Module `std.formater`
+    Library/std/formater/formater.fig
+*/
+
+import std.value; // `type` function and string_from
+
+public func format(objects ...) -> Any
+{
+    if objects.length() < 1
+    {
+        return null;
+    }
+
+    var fmt := objects[0];
+    if value.type(fmt) != "String"
+    {
+        return null;
+    }
+
+    var result := "";
+    var argIndex := 1;
+    var i := 0;
+    var length := fmt.length();
+
+    while (i < length)
+    {
+        var char := fmt[i];
+        
+        if char == "{"
+        {
+            if (i + 1 >= length)
+            {
+                return null;
+            }
+            
+            var nextChar = fmt[i + 1];
+            
+            if nextChar == "{"
+            {
+                result += "{";
+                i += 2;
+                continue;
+            }
+            
+            var endIndex := -1;
+            for var j = i + 1; j < length; j += 1
+            {
+                if fmt[j] == "}"
+                {
+                    endIndex = j;
+                    break;
+                }
+            }
+            
+            if endIndex == -1
+            {
+                return null;
+            }
+            
+            if argIndex >= objects.length()
+            {
+                return null;
+            }
+            
+            result += value.string_from(objects[argIndex]);
+            argIndex += 1;
+            
+            i = endIndex + 1;
+        }
+        else if char == "}"
+        {
+            if i + 1 < length && fmt[i + 1] == "}"
+            {
+                result += "}";
+                i += 2;
+                continue;
+            }
+            
+            return null;
+        }
+        else
+        {
+            result += char;
+            i += 1;
+        }
+    }
+    
+    return result;
+}
+
+public func formatByListArgs(objects) -> Any
+{
+    if value.type(objects) != "List"
+    {
+        return null;
+    }
+    if objects.length() < 1
+    {
+        return null;
+    }
+
+    var fmt := objects[0];
+    if value.type(fmt) != "String"
+    {
+        return null;
+    }
+
+    var result := "";
+    var argIndex := 1;
+    var i := 0;
+    var length := fmt.length();
+
+    while (i < length)
+    {
+        var char := fmt[i];
+        
+        if char == "{"
+        {
+            if (i + 1 >= length)
+            {
+                return null;
+            }
+            
+            var nextChar = fmt[i + 1];
+            
+            if nextChar == "{"
+            {
+                result += "{";
+                i += 2;
+                continue;
+            }
+            
+            var endIndex := -1;
+            for var j = i + 1; j < length; j += 1
+            {
+                if fmt[j] == "}"
+                {
+                    endIndex = j;
+                    break;
+                }
+            }
+            
+            if endIndex == -1
+            {
+                return null;
+            }
+            
+            if argIndex >= objects.length()
+            {
+                return null;
+            }
+            
+            result += value.string_from(objects[argIndex]);
+            argIndex += 1;
+            
+            i = endIndex + 1;
+        }
+        else if char == "}"
+        {
+            if i + 1 < length && fmt[i + 1] == "}"
+            {
+                result += "}";
+                i += 2;
+                continue;
+            }
+            
+            return null;
+        }
+        else
+        {
+            result += char;
+            i += 1;
+        }
+    }
+    
+    return result;
+}