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class_struct.ahk
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class_struct.ahk
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/************************************************************************
* @description Constructing and using the c structure
* @file Struct.ahk
* @author thqby
* @date 2021/10/04
* @version 1.0.1
***********************************************************************/
class Struct
{
static __types := {UInt: 4, UInt64: 8, Int: 4, Int64: 8, Short: 2, UShort: 2, Char: 1, UChar: 1, Double: 8, Float: 4, Ptr: A_PtrSize, UPtr: A_PtrSize}
__New(structinfo, ads_pa := unset, offset := 0, bit64 := unset) {
if (IsSet(bit64))
types := struct.__types.Clone(), types.Ptr := types.UPtr := 4 * (!!bit64 + 1)
else types := struct.__types, bit64 := A_PtrSize = 8
maxbytes := 0, index := 0, root := true, level := 0, sub := [], this.DefineProp('__bit64', {Value: bit64})
this.DefineProp("__member", {Value: {}}), this.DefineProp("__buffer", {Value: {Ptr: 0, Size: 0}}), this.DefineProp("__memberlist", {Value: []}) ; this.__member:={}, this.__buffer:=""
this.DefineProp('__types', {Value: types}), this.DefineProp("__base", {Value: (IsSet(ads_pa) && Type(ads_pa) = "Buffer") ? (root := false, ads_pa) : Buffer(A_PtrSize, 0)})
if (Type(structinfo) = "String") {
structinfo := Trim(RegExReplace(structinfo, '//.*'), '`n`r`t ')
structinfo := RegExReplace(structinfo := StrReplace(structinfo, ",", "`n"), "m)^\s*unsigned\s*", "U")
structinfo := StrSplit(structinfo, "`n", "`r `t")
}
while (index < structinfo.Length) {
index++, LF := structinfo[index]
if (LF ~= "^(typedef\s+)?struct\s*") {
if (index > 1) {
level++, submax := 0, sub.Length := 0, name := RegExMatch(LF, 'struct\s+(\w+)', &n) ? n[1] : ''
while (level) {
index++, LF := structinfo[index]
if InStr(LF, "{")
level++
else if InStr(LF, "}") && ((--level) = 0) {
if !RegExMatch(LF, "\}\s*(\w+)", &n)
throw Error("structure's name not found")
break
} else if RegExMatch(LF, "^(\w+)\s*(\*+)?\s*(\w+)(\[\d+\])?", &m)
_type := this.ahktype(m[1] m[2]), submax := Max(submax, types.%_type%), LF := _type " " m[3] m[4]
sub.Push(LF)
}
offset := Mod(offset, submax) ? (Integer(offset / submax) + 1) * submax : offset
this.__memberlist.Push(n[1]), this.__member.%n[1]% := tmp := struct(sub, this.__base, offset)
tmp.DefineProp('__structname', {Value: name})
offset := tmp.__offset + tmp.__buffer.Size, maxbytes := Max(maxbytes, tmp.__maxbytes)
} else
this.DefineProp('__structname', {Value: RegExMatch(LF, 'struct\s+(\w+)', &n) ? n[1] : ''})
continue
}
if RegExMatch(LF, "^(\w+)\s*(\*+)?\s*(\w+)(\[\d+\])?", &m) {
_type := root ? this.ahktype(m[1] m[2]) : m[1]
b := types.%_type%, maxbytes := Max(maxbytes, b), offset := Mod(offset, b) ? (Integer(offset / b) + 1) * b : offset
if !IsSet(firstmember)
firstmember := offset
this.DefineProp("__maxbytes", {Value: maxbytes}), this.__memberlist.Push(m[3])
if (n := Integer("0" Trim(m[4], "[]")))
this.__member.%m[3]% := {type: _type, offset: offset, size: n}, offset += b * n
else
this.__member.%m[3]% := {type: _type, offset: offset}, offset += b
}
}
offset := Mod(offset - firstmember, maxbytes) ? ((Integer((offset - firstmember) / maxbytes) + 1) * maxbytes + firstmember) : offset
this.DefineProp("__offset", {Value: firstmember})
if IsSet(ads_pa) {
if Type(ads_pa) = "Buffer"
(this.__buffer := {Size: offset - firstmember}).DefineProp("Ptr", {get: ((p, o, *) => NumGet(p, "Ptr") + o).Bind(ads_pa.Ptr, firstmember)})
else
this.__buffer := {Ptr: Integer(ads_pa), Size: offset - firstmember}, NumPut("Ptr", ads_pa, this.__base)
} else NumPut("Ptr", (this.__buffer := Buffer(offset - firstmember, 0)).Ptr, this.__base)
for m in this.__member.OwnProps()
; this.__member.%m%.DefineProp("value", {get: ((n, *) => this.%n%).Bind(m)})
if (Type(this.__member.%m%) = "Object") {
offset := this.__member.%m%.offset - this.__offset
_type := this.__member.%m%.type
this.DefineProp(m, {
get: ((o, t, s, p*) => (p.Length ? NumGet(s.__buffer.Ptr, o + p[1] * types.%t%, t) : NumGet(s.__buffer.Ptr, o, t))).Bind(offset, _type),
set: ((o, t, s, v, p*) => (p.Length ? NumPut(t, v, s.__buffer.Ptr, o + p[1] * types.%t%) : NumPut(t, v, s.__buffer.Ptr, o))).Bind(offset, _type)
})
} else
this.DefineProp(m, {get: ((n, s, p*) => s.__member.%n%).Bind(m)})
}
; __Get(n, params) {
; if (Type(this.__member.%n%) = "Object") {
; offset := this.__member.%n%.offset - this.__offset
; if params.Length {
; if (params[1] >= this.__member.%n%.size)
; throw Error("Invalid index")
; offset += params[1] * this.__types.%(this.__member.%n%.type)%
; }
; return NumGet(this.__buffer.Ptr, offset, this.__member.%n%.type)
; } else return this.__member.%n%
; }
; __Set(n, params, v) {
; if (Type(this.__member.%n%) = "Object") {
; offset := this.__member.%n%.offset - this.__offset
; if params.Length {
; if (params[1] >= this.__member.%n%.size)
; throw Error("Invalid index")
; offset += params[1] * this.__types.%(this.__member.%n%.type)%
; }
; NumPut(this.__member.%n%.type, v, this.__buffer.Ptr, offset)
; } else throw Error("substruct '" n "' can't be overwritten")
; }
data() => this.__buffer.Ptr
offset(n) => this.__member.%n%.offset
size() => this.__buffer.Size
__Delete() => (this.__base := this.__buffer := this.__memberlist := this.__member := '')
toString() {
_str := "// total size:" this.__buffer.Size " (" ((!!this.__bit64 + 1) * 32) " bit)`nstruct {`n", Dump(this)
return _str "};"
Dump(obj, _indent := 1) {
for m in obj.__memberlist {
if ("Object" = _t := Type(n := obj.__member.%m%))
_str .= Indent(_indent) StrLower(n.Type) "`t" m (n.HasOwnProp("size") ? "[" n.size "]" : "") ";`t// " n.offset "`n"
else if (_t = "struct") {
_str .= Indent(_indent) "// struct '" m "' size:" n.__buffer.Size "`n" Indent(_indent) "struct {`n"
Dump(n, _indent + 1)
_str .= Indent(_indent) "} " m ";`n"
}
}
}
Indent(n := 0) {
Loop (_ind := "", n)
_ind .= "`t"
return _ind
}
}
generateClass() {
a := generate(this), s := Trim(RegExReplace(RegExReplace(this.toString(), '//(.*)'), '\R\R', '`n'), ' `t`n')
if (!RegExMatch(s, 'im)^\s*ptr\s+'))
return a
b := generate(struct(s, 0, , !this.__bit64)), s := a
a := StrSplit(a, '`n'), b := StrSplit(b, '`n')
if (a.Length != b.Length) {
MsgBox('Error')
return s
}
s := ''
loop a.Length {
if (a[A_Index] != b[A_Index] && RegExMatch(a[A_Index], '([,(]\s*)?\b(\d+)\b', &m1) && RegExMatch(b[A_Index], '\b(\d+)\b', &m2) && m1 != m2) {
t := 'A_PtrSize = 8 ? ' Max(m1[2], m2[1]) ' : ' Min(m1[2], m2[1])
s .= RegExReplace(a[A_Index], m1[2], m1[1] ? t : '(' t ')', , 1) '`n'
} else
s .= a[A_Index] '`n'
}
return s
generate(obj) {
cl := 'class ' obj.__structname ' {`n`t__New() {`n`t`tthis.__buf := Buffer(' obj.size() '), this.ptr := this.__buf.Ptr`n`t}`n'
cl := cl Dump(obj) '}'
return cl
Dump(obj, _indext := 1) {
local s := ''
for m in obj.__memberlist {
if ("Object" = _t := Type(n := obj.__member.%m%))
s .= Indent(_indext) m ' {`n' Indent(_indext + 1) 'get => NumGet(this.ptr, ' (n.offset - obj.__offset) ', `'' StrLower(n.Type) '`')`n' Indent(_indext + 1) 'set => NumPut(`'' StrLower(n.Type) '`', value, this.ptr, ' (n.offset - obj.__offset) ')`n' Indent(_indext) '}`n'
else if (_t = 'struct') {
c := 'class ' (n.__structname || m) ' {`n`t__New() {`n`t`tthis.__buf := Buffer(' n.size() '), this.ptr := this.__buf.Ptr`n`t}`n'
c .= Dump(n) '}`n'
cl := c cl
s .= Indent(_indext) m ' => {Base: ' (n.__structname || m) '.Prototype, ptr: this.ptr + ' n.__offset ', __buf: this.__buf}`n'
}
}
return s
}
Indent(n := 0) {
loop (_ind := '', n)
_ind .= '`t'
return _ind
}
}
}
ahktype(t) {
if (!this.__types.HasOwnProp(_type := LTrim(t, "_"))) {
switch (_type := StrUpper(_type))
{
case "BYTE", "BOOLEAN":
_type := "UChar"
case "ATOM", "LANGID", "WORD", "TBYTE", "TCHAR", "WCHAR", "WCHAR_T", "INTERNET_PORT":
_type := "UShort"
case "BOOL", "HFILE", "HRESULT", "INT32", "LONG", "LONG32", "INTERNET_SCHEME":
_type := "Int"
case "UINT32", "ULONG", "ULONG32", "COLORREF", "DWORD", "DWORD32", "LCID", "LCTYPE", "LGRPID":
_type := "UInt"
case "LONG64", "LONGLONG", "USN":
_type := "Int64"
case "DWORD64", "DWORDLONG", "ULONG64", "ULONGLONG":
_type := "UInt64"
default:
if InStr(_type, "*")
return "Ptr"
_U := (_type ~= "^U[^uU]\w+$" ? ((_type := LTrim(_type, "U")), true) : false)
if (_type == "HALF_PTR")
_type := (_U ? "U" : "") (A_PtrSize = 8 ? "Int" : "Short")
else if (_type ~= "^(\w+_PTR|[WL]PARAM|LRESULT|(H|L?P)\w+|SC_(HANDLE|LOCK)|S?SIZE_T|VOID)$")
_type := (_U ? "U" : "") "Ptr"
if (!this.__types.HasOwnProp(_type))
throw Error("unsupport type: " _type)
}
}
return _type
}
}
;@Ahk2Exe-IgnoreBegin
if (A_LineFile = A_ScriptFullPath) {
ss := struct('
(
typedef struct {
DWORD dwStructSize;
LPWSTR lpszScheme;
DWORD dwSchemeLength;
INTERNET_SCHEME nScheme;
LPWSTR lpszHostName;
DWORD dwHostNameLength;
INTERNET_PORT nPort;
LPWSTR lpszUserName;
DWORD dwUserNameLength;
LPWSTR lpszPassword;
DWORD dwPasswordLength;
LPWSTR lpszUrlPath;
DWORD dwUrlPathLength;
LPWSTR lpszExtraInfo;
DWORD dwExtraInfoLength;
} URL_COMPONENTS, *LPURL_COMPONENTS;
)')
MsgBox(String(ss))
}
;@Ahk2Exe-IgnoreEnd