Dynamic lists fixes and additions

Added new String functions

See merge request spexeah/asuro!30

src/include/lists.pas

@@ -44,6 +44,19 @@ type
         ElementSize : uint32;
     end;
 
+    { Dynamic List }
+
+    PDList = ^TDList;
+    TDList = record
+        Count : uint32;
+        Data : void;
+        ElementSize : uint32;
+        DataSize : uint32;
+
+    end;
+    
+    { Dynamic List Iterator } 
+
 { String Linked List }
 
 procedure  STRLL_Add(LinkedList : PLinkedListBase; str : pchar);
@@ -66,6 +79,24 @@ function  LL_Get(LinkedList : PLinkedListBase; idx : uint32) : Void;
 procedure LL_Free(LinkedList : PLinkedListBase);
 function  LL_FromString(str : pchar; delimter : char) : PLinkedListBase;
 
+    
+{ Dynamic List }
+
+function  DL_New(ElementSize : uint32) : PDList;
+function  DL_Add(DList : PDList) : Void;
+function  DL_Delete(DList : PDList; idx : uint32) : boolean;
+function  DL_Size(DList : PDList) : uint32;
+function  DL_Set(DList : PDList; idx : uint32; elm : puint32) : boolean;
+function  DL_Get(DList : PDList; idx : uint32) : Void;
+procedure DL_Free(DList : PDList);
+function  DL_IndexOf(DList : PDList; elm : puint32) : uint32;
+function  DL_Contains(DList : PDList; elm : puint32) : boolean;
+function DL_Concat(DList1 : PDList; DList2 : PDList) : PDList;
+
+
+{ Dynamic List Iterator }
+
+
 implementation
 
 uses
@@ -351,4 +382,227 @@ begin
     end;
 end;
 
+{ Dynamic List }
+
+function  DL_New(ElementSize : uint32) : PDList;
+var 
+    DL : PDList;
+begin
+
+    DL := PDList(kalloc(sizeof(DL)));
+    DL^.ElementSize:= ElementSize;
+    DL^.count := 0;
+
+    if ElementSize > 128 then begin
+        DL^.data := kalloc(ElementSize * 4);
+        Dl^.DataSize:= ElementSize * 4;
+
+    end else if ElementSize > 64 then begin
+        DL^.data := kalloc(ElementSize * 8);
+        Dl^.DataSize:= ElementSize * 8;
+        
+    end else if ElementSize > 32 then begin
+        DL^.data := kalloc(ElementSize * 16);
+        Dl^.DataSize:= ElementSize * 16;
+
+    end else if ElementSize > 16 then begin
+      DL^.data := kalloc(ElementSize * 32);
+      Dl^.DataSize:= ElementSize * 32;
+    end else begin
+      DL^.data := kalloc(ElementSize * 64);
+      Dl^.DataSize:= ElementSize * 64;
+    end;
+
+    DL_New := DL;
+end;
+
+function  DL_Add(DList : PDList) : Void;
+var 
+    elm : puint32;
+    tempList : puint32;
+begin
+
+    //check if we need to resize
+    if (DList^.count + 1) * DList^.ElementSize > DList^.DataSize then begin
+        push_trace('lists.DL_Add: Resizing');
+        tempList := DList^.Data;
+        DList^.Data := kalloc(DList^.DataSize * 2);
+        
+        memset(uint32(DList^.Data), 0, DList^.DataSize * 2);
+        memcpy(uint32(tempList), uint32(DList^.Data), DList^.DataSize);
+
+        DList^.DataSize:= DList^.DataSize * 2;
+
+        kfree(void(tempList));
+    end;
+
+    push_trace('lists.DL_Add');
+
+
+    elm := puint32(@puint8(DList^.Data)[(DList^.count * DList^.ElementSize)]);
+    elm^ := 0;
+
+    push_trace('lists.DL_Add: Adding');
+
+    DList^.count := DList^.count + 1;
+
+    DL_Add := elm;
+end;
+
+function  DL_Delete(DList : PDList; idx : uint32) : boolean;
+var 
+    elm : puint32;
+    tempList : puint32;
+begin
+    if idx >= DList^.count then begin
+        DL_Delete := false;
+        exit;
+    end;
+
+    elm := puint32( puint8(DList^.Data) + (idx * DList^.ElementSize));
+    memcpy(uint32( puint8(elm) + DList^.ElementSize), uInt32(elm), (DList^.count - idx) * DList^.ElementSize);
+
+    DList^.count := DList^.count - 1;
+
+    if (DList^.count * DList^.ElementSize) < DList^.DataSize DIV 2 then begin
+        tempList := DList^.Data;
+        DList^.DataSize:= DList^.DataSize DIV 2;
+
+        DList^.Data := kalloc(DList^.DataSize);
+        memcpy(uint32(tempList), uint32(DList^.Data), DList^.DataSize);
+
+        kfree(void(tempList));
+    end;
+
+    DL_Delete := true;
+end;
+
+function  DL_Get(DList : PDList; idx : uint32) : Void;
+var 
+    elm : puint32;
+begin
+    if idx >= DList^.count then begin
+        DL_Get := nil;
+        exit;
+    end;
+
+    elm := puint32(DList^.Data + (idx * DList^.ElementSize));
+    DL_Get := elm;
+end;
+
+function DL_Set(DList : PDList; idx : uint32; elm : puint32) : boolean;
+var
+    tempList : PuInt32;
+    size : uint32;
+begin
+    if idx >= DList^.count then begin
+        DL_Set := false;
+        exit;
+    end;
+
+    //check if we need to resize
+    if (idx + 1) * Dlist^.ElementSize > DList^.DataSize then begin
+                console.writestring('resising thisthinghere');
+
+        size := idx * DList^.ElementSize * 2;
+
+        tempList := DList^.Data;
+        DList^.Data := kalloc(size);
+        memset(uint32(DList^.Data), 0, size);
+
+        memcpy(uint32(tempList), uint32(DList^.Data), DList^.DataSize);
+
+        DList^.DataSize := size;
+
+        kfree(void(tempList));
+    end;
+
+    console.writeString('offset: ');
+    console.writeintln(idx * DList^.ElementSize);
+    memcpy(uint32(elm), uint32( PuInt8(DList^.Data) + (idx * DList^.ElementSize)), DList^.ElementSize);
+
+    //check if count is smaller than idx and if so, increase count
+    if DList^.count < idx then DList^.count := idx;
+
+    DL_Set := true;
+end;
+
+function DL_Size(DList : PDList) : uint32;
+begin
+    DL_Size := DList^.count;
+end;
+
+procedure DL_Free(DList : PDList);
+begin
+    kfree(void(DList^.Data));
+    kfree(void(DList));
+end;
+
+function DL_IndexOf(DList : PDList; elm : puint32) : uint32;
+var 
+    i : uint32;
+    temp : puint32;
+begin
+    for i := 0 to DList^.count - 1 do begin
+        temp := puint32( puint8(DList^.Data) + (i * DList^.ElementSize));
+        if temp = elm then begin
+            DL_IndexOf := i;
+            exit;
+        end;
+    end;
+
+    DL_IndexOf := -1;
+end;
+
+function DL_Contains(DList : PDList; elm : puint32) : boolean;
+var 
+    i : uint32;
+begin
+    i := DL_IndexOf(DList, elm);
+
+    if i = -1 then begin
+        DL_Contains := false;
+        exit;
+    end;
+
+    DL_Contains := true;
+end;
+
+function DL_Concat(DList1 : PDList; DList2 : PDList) : PDList;
+var 
+    i : uint32;
+    temp : puint32;
+begin
+
+    //check element size
+    if DList1^.ElementSize <> DList2^.ElementSize then begin
+        DL_Concat := nil;
+        exit;
+    end;
+
+    //check if we need to resize
+    while true do begin
+          if (DList1^.count + DList2^.count) * DList1^.ElementSize > DList1^.DataSize then begin
+
+            temp := DList1^.Data;
+            DList1^.Data := kalloc(DList1^.DataSize * 2);
+            
+            memset(uint32(DList1^.Data), 0, DList1^.DataSize * 2);
+            memcpy(uint32(temp), uint32(DList1^.Data), DList1^.DataSize);
+
+            DList1^.DataSize:= DList1^.DataSize * 2;
+
+            kfree(void(temp));
+        end else Break;
+    end;
+
+
+    for i := 0 to DList2^.count - 1 do begin
+        temp := DL_Add(DList1);
+        memcpy(uint32(DL_Get(DList2, i)), uint32(temp), DList1^.ElementSize);
+    end;
+
+    DL_Concat := DList1;
+end;
+
 end.

src/include/strings.pas

@@ -16,6 +16,7 @@
 	Include->Strings - String Manipulation.
 	
 	@author(Kieron Morris <kjm@kieronmorris.me>)
+    @author(Aaron Hance <ah@aaronhance.me>)
 }
 unit strings;
 
@@ -33,6 +34,10 @@ function stringCopy(str : pchar) : pchar;
 function stringNew(size : uint32) : pchar;
 function stringSize(str : pchar) : uint32;
 function stringConcat(str1, str2 : pchar) : pchar;
+function stringTrim(str : pchar; length : uint32) : pchar;
+function stringSub(str : pchar; start, size : uint32) : pchar;
+function stringReplace(str, find, replace : pchar) : pchar;
+function stringIndexOf(str, find : pchar) : sint32;
 function stringContains(str : pchar; sub : pchar) : boolean;
 function stringToInt(str : pchar) : uint32;
 function hexStringToInt(str : pchar) : uint32;
@@ -151,6 +156,94 @@ begin
     stringConcat:= result;
 end;
 
+// Trim the string to the specified length.
+function stringTrim(str : pchar; length : uInt32) : pchar;
+var
+    result : pchar;
+begin
+    result:= stringNew(length);
+    memcpy(uint32(str), uint32(result), length);
+    stringTrim:= result;
+end;
+
+// Return a substring of the string.
+function stringSub(str : pchar; start, size : uint32) : pchar;
+var
+    result : pchar;
+begin
+    result:= stringNew(size);
+    memcpy(uint32(str)+start, uint32(result), size);
+    stringSub:= result;
+end;
+
+// Replace first instance of a string with another.
+function stringReplace(str, find, replace : pchar) : pchar;
+var
+    result : pchar;
+    i, j, k : uint32;
+    found : boolean;
+begin
+
+    // Find the first instance of the find string.
+    i:= 0;
+    found:= false;
+    while (i < stringSize(str)) and (not found) do begin
+        if stringEquals(str+i, find) then begin
+            found:= true;
+        end else begin
+            inc(i);
+        end;
+    end;
+
+    // If we found the find string, replace it.
+    if found then begin
+        result:= stringNew(stringSize(str) - stringSize(find) + stringSize(replace));
+        j:= 0;
+        k:= 0;
+        while i < stringSize(str) do begin
+            if stringEquals(str+i, find) then begin
+                memcpy(uint32(replace), uint32(result+j), stringSize(replace));
+                j:= j + stringSize(replace);
+                inc(i, stringSize(find));
+            end else begin
+                result[j]:= str[i];
+                inc(j);
+                inc(i);
+            end;
+        end;
+        stringReplace:= result;
+    end else begin
+        stringReplace:= stringCopy(str);
+    end;
+
+    // Return the result.
+    stringReplace:= result;
+
+end;
+
+
+// Find the index of the first instance of a string.
+function stringIndexOf(str, find : pchar) : sint32;
+var 
+    i : uint32;
+    found : boolean;
+begin
+    i:= 0;
+    found:= false;
+    while (i < stringSize(str)) and (not found) do begin
+        if stringEquals(str+i, find) then begin
+            found:= true;
+        end else begin
+            inc(i);
+        end;
+    end;
+    if found then begin
+        stringIndexOf:= i;
+    end else begin
+        stringIndexOf:= -1;
+    end;
+end;
+
 function stringContains(str : pchar; sub : pchar) : boolean;
 var
     strEnd, subEnd, i, j, count : uint32;