Changeset 457 for trunk/Include/Classes/ActiveBasic/Strings/SPrintF.ab

Timestamp:

Mar 6, 2008, 9:49:43 PM (17 years ago)

Author:

イグトランス (egtra)

Message:

(SPrintF.ab) FormatIntegerExにStringBuilderを引数に取る版を追加。

File:

• trunk/Include/Classes/ActiveBasic/Strings/SPrintF.ab (modified) (10 diffs)

trunk/Include/Classes/ActiveBasic/Strings/SPrintF.ab

@@ -205 +205 @@
 */
 Function FormatFloatF_Core(s As String, e As Long, negative As Boolean, precision As DWord, ByRef flags As FormatFlags) As System.Text.StringBuilder
-    FormatFloatF_Core = New System.Text.StringBuilder
+    FormatFloatF_Core = New System.Text.StringBuilder(128)
     With FormatFloatF_Core
         AppendSign(FormatFloatF_Core, negative, flags)
@@ -818 +818 @@
 
     Dim sb = New System.Text.StringBuilder
-    If sb.Length = &hfeeefeee Then Debug
     With sb
         Dim prefixFunc = tr.Prefix
         Dim prefix = prefixFunc(x, flags)
         sb.Append(prefix)
-        If sb.Length = &hfeeefeee Then Debug
 
         Dim prefixLen = 0 As DWord
@@ -830 +828 @@
         End If
 
-        Dim buf = GC_malloc_atomic((tr.MaxSize + 1) * SizeOf (StrChar)) As *StrChar
+'       Dim buf = GC_malloc_atomic((tr.MaxSize + 1) * SizeOf (StrChar)) As *StrChar
+        Dim buf[MaxSizeLO] As StrChar
         Dim convertFunc = tr.Convert
         Dim bufStartPos = convertFunc(buf, x, flags)
 
-        If sb.Length = &hfeeefeee Then Debug
         Dim len = (tr.MaxSize - bufStartPos) As Long
         If len < 0 Then
@@ -844 +842 @@
 
         .Append(buf, bufStartPos + 1, len)
-        If sb.Length = &hfeeefeee Then Debug
 
         AdjustFieldWidth(sb, field, flags And (Not (Sign Or Blank)), prefixLen)
-        If sb.Length = &hfeeefeee Then Debug
     End With
     FormatIntegerEx = sb.ToString()
@@ -855 +851 @@
     End If
 End Function
+Sub FormatIntegerEx(sb As System.Text.StringBuilder, ByRef tr As IntegerConvertTraits, x As QWord, d As DWord, field As DWord, flags As FormatFlags)
+
+    If d = DWORD_MAX Then
+        d = 1
+    Else
+        '精度が指定されているとき、ゼロフラグは無視される。
+        '仕様上、左揃えのときも無視されるが、それはAdjustFieldWidthが行ってくれる。
+        flags And= Not Zero
+    End If
+
+    Dim lastLength = sb.Length
+
+    With sb
+        Dim prefixFunc = tr.Prefix
+        Dim prefix = prefixFunc(x, flags)
+        sb.Append(prefix)
+
+        Dim prefixLen = 0 As DWord
+        If String.IsNullOrEmpty(prefix) = False Then
+            prefixLen = prefix.Length As DWord
+        End If
+
+'       Dim buf = GC_malloc_atomic((tr.MaxSize + 1) * SizeOf (StrChar)) As *StrChar
+        Dim buf[MaxSizeLO] As StrChar
+        Dim convertFunc = tr.Convert
+        Dim bufStartPos = convertFunc(buf, x, flags)
+
+        Dim len = (tr.MaxSize - bufStartPos) As Long
+        If len < 0 Then
+            Debug
+        End If
+        If len < d Then
+            .Append(&h30 As StrChar, d - len)
+        End If
+
+        .Append(buf, bufStartPos + 1, len)
+
+        AdjustFieldWidth(sb, field, flags And (Not (Sign Or Blank)), prefixLen, lastLength)
+    End With
+    Dim t = sb.ToString()
+    
+    If (flags And Cap) = 0 Then
+        Dim len = sb.Length
+        Dim i As Long
+        For i = lastLength To ELM(len)
+            sb[i] = CType.ToLower(sb[i])
+        Next
+    End If
+End Sub
 
 /*!
@@ -864 +909 @@
 
 /*!
-@brief  文字列をフィールド幅まで満たされるように空白などを挿入する。
+@brief  書式化の仕上げとして、変換部分がフィールド幅まで満たされるように空白などを挿入する。
 @author Egtra
 @date   2007/10/13
@@ -872 +917 @@
 @param[in] flags    フラグ
 @param[in] prefixLen    （あれば）接頭辞の文字数。ゼロ埋めする際、この数だけ挿入位置を後ろにする。
+@param[in] offset   変換した部分へのオフセット。AppendではなくInsertを行う際に用いられる。
 sbが"-1"のように負符号を持っている場合は、呼出元でSignフラグ（またはBlank）を立てること。
 */
-Sub AdjustFieldWidth(sb As System.Text.StringBuilder, field As DWord, flags As FormatFlags, prefixLen = 0 As DWord)
+Sub AdjustFieldWidth(sb As System.Text.StringBuilder, field As DWord, flags As FormatFlags, prefixLen = 0 As DWord, offset = 0 As Long)
     With sb
-        If .Length < field Then
-            Dim embeddedSize = field - .Length
+        Dim len = .Length - offset
+        If len < field Then
+            Dim embeddedSize = field - len
             If flags And LeftSide Then
                 .Append(&h20, embeddedSize)
             Else
-                Dim insPos As Long
                 If (flags And Zero) <> 0 Then
+                    offset += prefixLen
                     If (flags And Blank) Or (flags And Sign) Then
-                        insPos++
+                        offset++
                     End If
-                    insPos += prefixLen
-                    .Insert(insPos, String$(embeddedSize, "0"))
+                    .Insert(offset, String$(embeddedSize, "0"))
                 Else
-                    .Insert(insPos, String$(embeddedSize, " "))
+                    .Insert(offset, String$(embeddedSize, " "))
                 End If
             End If
@@ -1005 +1051 @@
     End If
 
-    s.Append(FormatIntegerEx(ByVal traits, x, precision, field, flags))
+'   s.Append(FormatIntegerEx(ByVal traits, x, precision, field, flags))
+    FormatIntegerEx(s, ByVal traits, x, precision, field, flags)
 End Sub
 
@@ -1028 +1075 @@
     Do
         Dim c = s[i]
-        If Not IsDigit(c) Then Exit Do
+        If Not CType.IsDigit(c) Then Exit Do
         StrToLong *= 10
         StrToLong += ((c As DWord) And &h0f) As Long
@@ -1037 +1084 @@
     End If
     p = VarPtr(s[i])
-End Function
-
-/*!
-@brief  文字が十進数字かどうか調べる。
-@author Egtra
-@date   2007/11/11
-@param[in] c    調べる文字
-@retval True    0から9の文字である
-@retval False   そうでない
-*/
-Function IsDigit(c As StrChar) As Boolean
-    Dim dw = (c As DWord)
-    IsDigit = (dw - &h30) < 10
 End Function