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96cebde909
some of the more compilcated cases (CF, Res) haven't been done yet. Also, various types should inherit from each other (anything with an as_Resource method should be a Resource subtype, the CF types should become one family).
323 lines
8.2 KiB
Python
Executable file
323 lines
8.2 KiB
Python
Executable file
# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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#error missing SetActionFilter
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import string
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# Declarations that change for each manager
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MODNAME = '_CG' # The name of the module
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'CG' # The prefix for module-wide routines
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
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RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
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# Create the type objects
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includestuff = includestuff + """
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#ifdef WITHOUT_FRAMEWORKS
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#include <Quickdraw.h>
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#include <CGContext.h>
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#else
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#include <ApplicationServices/ApplicationServices.h>
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#endif
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#if !TARGET_API_MAC_OSX
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/* This code is adapted from the CallMachOFramework demo at:
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http://developer.apple.com/samplecode/Sample_Code/Runtime_Architecture/CallMachOFramework.htm
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It allows us to call Mach-O functions from CFM apps. */
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#include <Folders.h>
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#include "CFMLateImport.h"
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static OSStatus LoadFrameworkBundle(CFStringRef framework, CFBundleRef *bundlePtr)
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// This routine finds a the named framework and creates a CFBundle
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// object for it. It looks for the framework in the frameworks folder,
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// as defined by the Folder Manager. Currently this is
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// "/System/Library/Frameworks", but we recommend that you avoid hard coded
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// paths to ensure future compatibility.
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//
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// You might think that you could use CFBundleGetBundleWithIdentifier but
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// that only finds bundles that are already loaded into your context.
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// That would work in the case of the System framework but it wouldn't
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// work if you're using some other, less-obvious, framework.
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{
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OSStatus err;
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FSRef frameworksFolderRef;
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CFURLRef baseURL;
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CFURLRef bundleURL;
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*bundlePtr = nil;
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baseURL = nil;
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bundleURL = nil;
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// Find the frameworks folder and create a URL for it.
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err = FSFindFolder(kOnAppropriateDisk, kFrameworksFolderType, true, &frameworksFolderRef);
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if (err == noErr) {
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baseURL = CFURLCreateFromFSRef(kCFAllocatorSystemDefault, &frameworksFolderRef);
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if (baseURL == nil) {
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err = coreFoundationUnknownErr;
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}
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}
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// Append the name of the framework to the URL.
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if (err == noErr) {
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bundleURL = CFURLCreateCopyAppendingPathComponent(kCFAllocatorSystemDefault, baseURL, framework, false);
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if (bundleURL == nil) {
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err = coreFoundationUnknownErr;
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}
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}
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// Create a bundle based on that URL and load the bundle into memory.
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// We never unload the bundle, which is reasonable in this case because
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// the sample assumes that you'll be calling functions from this
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// framework throughout the life of your application.
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if (err == noErr) {
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*bundlePtr = CFBundleCreate(kCFAllocatorSystemDefault, bundleURL);
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if (*bundlePtr == nil) {
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err = coreFoundationUnknownErr;
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}
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}
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if (err == noErr) {
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if ( ! CFBundleLoadExecutable( *bundlePtr ) ) {
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err = coreFoundationUnknownErr;
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}
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}
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// Clean up.
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if (err != noErr && *bundlePtr != nil) {
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CFRelease(*bundlePtr);
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*bundlePtr = nil;
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}
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if (bundleURL != nil) {
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CFRelease(bundleURL);
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}
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if (baseURL != nil) {
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CFRelease(baseURL);
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}
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return err;
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}
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// The CFMLateImport approach requires that you define a fragment
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// initialisation routine that latches the fragment's connection
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// ID and locator. If your code already has a fragment initialiser
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// you will have to integrate the following into it.
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static CFragConnectionID gFragToFixConnID;
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static FSSpec gFragToFixFile;
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static CFragSystem7DiskFlatLocator gFragToFixLocator;
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extern OSErr FragmentInit(const CFragInitBlock *initBlock);
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extern OSErr FragmentInit(const CFragInitBlock *initBlock)
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{
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__initialize(initBlock); /* call the "original" initializer */
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gFragToFixConnID = (CFragConnectionID) initBlock->closureID;
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gFragToFixFile = *(initBlock->fragLocator.u.onDisk.fileSpec);
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gFragToFixLocator = initBlock->fragLocator.u.onDisk;
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gFragToFixLocator.fileSpec = &gFragToFixFile;
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return noErr;
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}
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#endif
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extern int GrafObj_Convert(PyObject *, GrafPtr *);
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/*
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** Manual converters
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*/
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PyObject *CGPoint_New(CGPoint *itself)
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{
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return Py_BuildValue("(ff)",
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itself->x,
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itself->y);
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}
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int
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CGPoint_Convert(PyObject *v, CGPoint *p_itself)
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{
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if( !PyArg_Parse(v, "(ff)",
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&p_itself->x,
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&p_itself->y) )
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return 0;
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return 1;
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}
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PyObject *CGRect_New(CGRect *itself)
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{
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return Py_BuildValue("(ffff)",
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itself->origin.x,
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itself->origin.y,
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itself->size.width,
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itself->size.height);
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}
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int
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CGRect_Convert(PyObject *v, CGRect *p_itself)
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{
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if( !PyArg_Parse(v, "(ffff)",
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&p_itself->origin.x,
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&p_itself->origin.y,
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&p_itself->size.width,
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&p_itself->size.height) )
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return 0;
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return 1;
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}
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PyObject *CGAffineTransform_New(CGAffineTransform *itself)
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{
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return Py_BuildValue("(ffffff)",
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itself->a,
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itself->b,
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itself->c,
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itself->d,
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itself->tx,
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itself->ty);
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}
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int
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CGAffineTransform_Convert(PyObject *v, CGAffineTransform *p_itself)
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{
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if( !PyArg_Parse(v, "(ffffff)",
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&p_itself->a,
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&p_itself->b,
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&p_itself->c,
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&p_itself->d,
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&p_itself->tx,
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&p_itself->ty) )
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return 0;
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return 1;
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}
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"""
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initstuff = initstuff + """
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#if !TARGET_API_MAC_OSX
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CFBundleRef sysBundle;
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OSStatus err;
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if (&LoadFrameworkBundle == NULL) {
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PyErr_SetString(PyExc_ImportError, "CoreCraphics not supported");
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return;
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}
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err = LoadFrameworkBundle(CFSTR("ApplicationServices.framework"), &sysBundle);
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if (err == noErr)
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err = CFMLateImportBundle(&gFragToFixLocator, gFragToFixConnID, FragmentInit, "\pCGStubLib", sysBundle);
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if (err != noErr) {
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PyErr_SetString(PyExc_ImportError, "CoreCraphics not supported");
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return;
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};
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#endif /* !TARGET_API_MAC_OSX */
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"""
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class MyOpaqueByValueType(OpaqueByValueType):
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"""Sort of a mix between OpaqueByValueType and OpaqueType."""
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def mkvalueArgs(self, name):
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return "%s, &%s" % (self.new, name)
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CGPoint = MyOpaqueByValueType('CGPoint', 'CGPoint')
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CGRect = MyOpaqueByValueType('CGRect', 'CGRect')
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CGAffineTransform = MyOpaqueByValueType('CGAffineTransform', 'CGAffineTransform')
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char_ptr = Type("char *", "s")
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CGTextEncoding = int
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CGLineCap = int
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CGLineJoin = int
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CGTextDrawingMode = int
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CGPathDrawingMode = int
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# The real objects
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CGContextRef = OpaqueByValueType("CGContextRef", "CGContextRefObj")
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class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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def outputStructMembers(self):
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ObjectDefinition.outputStructMembers(self)
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def outputCleanupStructMembers(self):
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Output("CGContextRelease(self->ob_itself);")
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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CGContextRef_object = MyObjectDefinition('CGContextRef', 'CGContextRefObj', 'CGContextRef')
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# ADD object here
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module.addobject(CGContextRef_object)
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Function = FunctionGenerator
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Method = MethodGenerator
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CGContextRef_methods = []
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# ADD _methods initializer here
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execfile(INPUTFILE)
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# manual method, lives in Quickdraw.h
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f = Method(void, 'SyncCGContextOriginWithPort',
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(CGContextRef, 'ctx', InMode),
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(CGrafPtr, 'port', InMode),
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)
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CGContextRef_methods.append(f)
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# manual method, lives in Quickdraw.h
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f = Method(void, 'ClipCGContextToRegion',
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(CGContextRef, 'ctx', InMode),
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(Rect, 'portRect', InMode),
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(RgnHandle, 'region', InMode),
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)
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CGContextRef_methods.append(f)
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CreateCGContextForPort_body = """\
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GrafPtr port;
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CGContextRef ctx;
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OSStatus _err;
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if (!PyArg_ParseTuple(_args, "O&", GrafObj_Convert, &port))
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return NULL;
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_err = CreateCGContextForPort(port, &ctx);
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if (_err != noErr)
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if (_err != noErr) return PyMac_Error(_err);
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_res = Py_BuildValue("O&", CGContextRefObj_New, ctx);
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return _res;
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"""
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f = ManualGenerator("CreateCGContextForPort", CreateCGContextForPort_body);
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f.docstring = lambda: "(CGrafPtr) -> CGContextRef"
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module.add(f)
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# ADD add forloop here
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for f in CGContextRef_methods:
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CGContextRef_object.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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