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/*
TECkit REALbasic plugin
Jonathan Kew
25-Jan-2002
*/
/*
Implements two REALbasic classes:
TECkit_Compiler
TECkit_Engine
as well as the Win32 utility function
WinNewDoc(long appWindowHWND, REALstring docPathName)
which creates a new instance of the current app, launching it with the given document
*/
#include "rb_plugin.h"
#include <string.h>
#include <stdlib.h>
#pragma mark === Compiler ===
#include "TECkit_Compiler.h"
extern REALclassDefinition TECkit_Compiler_Class;
struct TECkit_Compiler_Class_Data {
Byte* compiledTable;
UInt32 compiledSize;
};
static REALevent
TECkit_Compiler_Class_Events[] = {
{ "ErrorMessage(msg as String, param as String, lineNo as Integer)" }, // 0
};
static
CALLBACK
void
errorFunction(void* userData, char* msg, char* param, UInt32 line)
{
REALstring msgStr = REALBuildString(msg, strlen(msg));
REALstring paramStr = (param != 0)
? REALBuildString(param, strlen(param))
: REALBuildString("", 0);
REALcontrolInstance instance = (REALcontrolInstance)userData;
void (*fp)(REALcontrolInstance, REALstring, REALstring, int);
fp = (void (*)(REALcontrolInstance, REALstring, REALstring, int))
REALGetEventInstance(instance, &TECkit_Compiler_Class_Events[0]);
if (fp != 0)
fp(instance, msgStr, paramStr, (int)line);
REALUnlockString(paramStr);
REALUnlockString(msgStr);
}
static int
myCompile(REALobject instance, REALstring s, long doCompression)
{
if (s->Length() <= 0)
return 0;
ClassData(TECkit_Compiler_Class, instance, TECkit_Compiler_Class_Data, data);
Byte* outTable;
UInt32 outLen;
REALLockString(s);
TECkit_Status status = TECkit_Compile((char*)REALCString(s), s->Length(), doCompression,
errorFunction, instance, &outTable, &outLen);
REALUnlockString(s);
if (status == kStatus_NoError) {
data->compiledTable = outTable;
data->compiledSize = outLen;
}
return status;
}
static void
myReset(REALobject instance)
{
ClassData(TECkit_Compiler_Class, instance, TECkit_Compiler_Class_Data, data);
if (data->compiledTable != 0) {
TECkit_DisposeCompiled(data->compiledTable);
data->compiledTable = 0;
data->compiledSize = 0;
}
}
static REALstring
myTableGetter(REALobject instance, long param)
{
#pragma unused(param)
ClassData(TECkit_Compiler_Class, instance, TECkit_Compiler_Class_Data, data);
if (data->compiledTable != 0) {
return REALBuildString((char*)data->compiledTable, data->compiledSize);
}
return nil;
}
static void
TECkit_Compiler_Class_Constructor(REALobject instance)
{
ClassData(TECkit_Compiler_Class, instance, TECkit_Compiler_Class_Data, data);
data->compiledTable = 0;
data->compiledSize = 0;
}
static void
TECkit_Compiler_Class_Destructor(REALobject instance)
{
ClassData(TECkit_Compiler_Class, instance, TECkit_Compiler_Class_Data, data);
if (data->compiledTable != 0) {
TECkit_DisposeCompiled(data->compiledTable);
data->compiledTable = 0;
data->compiledSize = 0;
}
}
static REALproperty
TECkit_Compiler_Class_Properties[] = {
{ nil, "CompiledTable", "String", 0, (REALproc)myTableGetter, nil, 0 },
{ nil, "CompiledSize", "Integer", 0, REALstandardGetter, nil,
FieldOffset(TECkit_Compiler_Class_Data, compiledSize) },
};
static REALmethodDefinition
TECkit_Compiler_Class_Methods[] = {
{ (REALproc)TECkit_Compiler_Class_Constructor, REALnoImplementation, "TECkit_Compiler()" },
{ (REALproc)myCompile, REALnoImplementation, "Compile(data as String, doCompression as Integer) as Integer" },
{ (REALproc)myReset, REALnoImplementation, "Reset()" },
};
static REALclassDefinition
TECkit_Compiler_Class = {
kCurrentREALControlVersion,
"TECkit_Compiler",
nil,
sizeof(TECkit_Compiler_Class_Data),
0,
nil,
(REALproc)TECkit_Compiler_Class_Destructor,
TECkit_Compiler_Class_Properties,
sizeof(TECkit_Compiler_Class_Properties) / sizeof(REALproperty),
TECkit_Compiler_Class_Methods,
sizeof(TECkit_Compiler_Class_Methods) / sizeof(REALmethodDefinition),
TECkit_Compiler_Class_Events,
sizeof(TECkit_Compiler_Class_Events) / sizeof(REALevent)
};
#pragma mark === Engine ===
#include "TECkit_Engine.h"
extern REALclassDefinition TECkit_Engine_Class;
struct TECkit_Engine_Class_Data {
TECkit_Converter converter;
TECkit_Status status;
UInt32 sourceFlags;
UInt32 targetFlags;
};
static void
TECkit_Engine_Class_Constructor(REALobject instance, REALstring table, Boolean fwd, long inputForm, long outputForm)
{
ClassData(TECkit_Engine_Class, instance, TECkit_Engine_Class_Data, data);
data->converter = 0;
data->status = TECkit_CreateConverter((Byte*)table->CString(), table->Length(), fwd, inputForm, outputForm, &data->converter);
if (data->status == kStatus_NoError)
data->status = TECkit_GetConverterFlags(data->converter, &data->sourceFlags, &data->targetFlags);
}
static void
TECkit_Engine_Class_Destructor(REALobject instance)
{
ClassData(TECkit_Engine_Class, instance, TECkit_Engine_Class_Data, data);
if (data->converter != 0) {
TECkit_DisposeConverter(data->converter);
data->converter = 0;
data->status = kStatus_InvalidConverter;
}
}
static REALstring
myConvert(REALobject instance, REALstring inputData, Boolean complete)
{
ClassData(TECkit_Engine_Class, instance, TECkit_Engine_Class_Data, data);
if (data->converter == 0)
REALRaiseException(REALnewInstance("NilObjectException"));
else {
UInt32 outLength = inputData->Length() * 8 + 8; // should be plenty, we hope
Byte* outBuffer;
UInt32 inUsed, outUsed;
REALmemoryBlock outBufferBlock;
while (1) {
outBufferBlock = REALNewMemoryBlock(outLength);
outBuffer = (Byte*)REALMemoryBlockGetPtr(outBufferBlock);
data->status = TECkit_ConvertBuffer(data->converter,
(Byte*)inputData->CString(), inputData->Length(), &inUsed,
outBuffer, outLength, &outUsed, complete);
if (data->status == kStatus_OutputBufferFull) {
// try again with a bigger buffer
REALUnlockObject((REALobject)outBufferBlock);
outLength <<= 1;
continue;
}
break;
}
REALstring result = REALBuildString((char*)outBuffer, outUsed);
REALUnlockObject((REALobject)outBufferBlock);
if (complete)
TECkit_ResetConverter(data->converter);
return result;
}
return nil;
}
static REALstring
myNameGetter(REALobject instance, long param)
{
ClassData(TECkit_Engine_Class, instance, TECkit_Engine_Class_Data, data);
if (data->converter != 0) {
const UInt16 bufferSize = 256;
Byte nameBuffer[bufferSize];
UInt32 nameLength;
data->status = TECkit_GetConverterName(data->converter,
param,
nameBuffer,
bufferSize,
&nameLength);
if (data->status == kStatus_NoError)
return REALBuildString((char*)nameBuffer, nameLength);
}
return nil;
}
static REALproperty
TECkit_Engine_Class_Properties[] = {
{ nil, "status", "Integer", 0, REALstandardGetter, nil, FieldOffset(TECkit_Engine_Class_Data, status) },
{ nil, "lhsName", "String", 0, (REALproc)myNameGetter, nil, kNameID_LHS_Name },
{ nil, "rhsName", "String", 0, (REALproc)myNameGetter, nil, kNameID_RHS_Name },
{ nil, "sourceFlags", "Integer", 0, REALstandardGetter, nil, FieldOffset(TECkit_Engine_Class_Data, sourceFlags) },
{ nil, "targetFlags", "Integer", 0, REALstandardGetter, nil, FieldOffset(TECkit_Engine_Class_Data, targetFlags) },
};
static REALmethodDefinition
TECkit_Engine_Class_Methods[] = {
{ (REALproc)TECkit_Engine_Class_Constructor, REALnoImplementation, "TECkit_Engine(table as String, fwd as Boolean, inputForm as Integer, outputForm as Integer)" },
{ (REALproc)myConvert, REALnoImplementation, "Convert(inputData as String, complete as Boolean) as String" },
};
static REALevent
TECkit_Engine_Class_Events[] = {
{ "ErrorMessage(msg as String, param as String, lineNo as Integer)" }, // 0
};
static REALclassDefinition
TECkit_Engine_Class = {
kCurrentREALControlVersion,
"TECkit_Engine",
nil,
sizeof(TECkit_Engine_Class_Data),
0,
nil,
(REALproc)TECkit_Engine_Class_Destructor,
TECkit_Engine_Class_Properties, sizeof(TECkit_Engine_Class_Properties) / sizeof(REALproperty),
TECkit_Engine_Class_Methods, sizeof(TECkit_Engine_Class_Methods) / sizeof(REALmethodDefinition),
TECkit_Engine_Class_Events, sizeof(TECkit_Engine_Class_Events) / sizeof(REALevent)
};
#pragma mark === WinNewDoc ===
#if TARGET_WIN32
#include <winable.h> // GetWindowModuleFileName is in one or other of these, depending on WINVER
#include <winuser.h>
#endif
static int
WinNewDoc(long appWindowHWND, REALstring docPathName)
{
#if TARGET_CARBON
#pragma unused(appWindowHWND, docPathName)
#endif
#if TARGET_WIN32
char* docCStr = "";
if (docPathName != 0)
docCStr = (char*)docPathName->CString();
const int kFileNameLimit = 2048;
char appFileName[kFileNameLimit];
int fileNameLen = GetWindowModuleFileName((HWND)appWindowHWND, appFileName, kFileNameLimit);
appFileName[fileNameLen] = 0;
int len = 0;
for (char* dp = docCStr; *dp; ++dp)
if (*dp == '\\')
len += 2;
else
++len;
len += 2; // for quotes around doc name
len += 1; // for space between app and doc names
char* ap = &appFileName[fileNameLen] - 1;
while (ap >= &appFileName[0] && *ap != '\\' && *ap != '/' && *ap != ':') {
if (*ap == '\\')
len += 2;
else
len += 1;
--ap;
}
len += 2; // for quotes around app name
char* cmdLine = (char*)malloc(len + 1);
if (cmdLine == 0)
return 0;
char* cp = cmdLine;
*cp++ = '"';
while (*++ap) {
if (*ap == '\\')
*cp++ = '\\';
*cp++ = *ap;
}
*cp++ = '"';
*cp++ = ' ';
*cp++ = '"';
ap = docCStr;
while (*ap) {
if (*ap == '\\')
*cp++ = '\\';
*cp++ = *ap++;
}
*cp++ = '"';
*cp = 0;
STARTUPINFO startupInfo = {
sizeof(STARTUPINFO), //DWORD cb;
0, //LPSTR lpReserved;
0, //LPSTR lpDesktop;
0, //LPSTR lpTitle;
0, //DWORD dwX;
0, //DWORD dwY;
0, //DWORD dwXSize;
0, //DWORD dwYSize;
0, //DWORD dwXCountChars;
0, //DWORD dwYCountChars;
0, //DWORD dwFillAttribute;
STARTF_USESHOWWINDOW, //DWORD dwFlags;
SW_SHOWDEFAULT, //WORD wShowWindow;
0, //WORD cbReserved2;
0, //LPBYTE lpReserved2;
0, //HANDLE hStdInput;
0, //HANDLE hStdOutput;
0 //HANDLE hStdError;
};
PROCESS_INFORMATION processInfo;
if (CreateProcess(
appFileName,
cmdLine,
0,
0,
false,
0,
0,
0,
&startupInfo,
&processInfo
)) {
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
free(cmdLine);
#endif
return 0;
}
static REALmethodDefinition
WinNewDoc_Method = {
(REALproc)WinNewDoc, REALnoImplementation,
"WinNewDoc(appWindowHWND as Integer, docPathName as String) as Integer"
};
#pragma mark === Plugin setup ===
#ifdef WIN32
extern "C" far void _RunInit(void);
#define __InitCode__ _RunInit
#elif defined(powerc)
extern "C" void __sinit(void);
#define __InitCode__ __sinit
#else // it's 68K
extern "C" far void __InitCode__ (void);
#endif
void
PluginEntry(void)
{
__InitCode__(); // calls constructors for static and global C++ objects
REALRegisterClass(&TECkit_Compiler_Class);
REALRegisterClass(&TECkit_Engine_Class);
REALRegisterMethod(&WinNewDoc_Method);
}
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