ObjFW  Check-in [0e6774358c]

Overview
Comment:Make OFRegisterEmbeddedFile() public
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SHA3-256: 0e6774358cf26ce204d2400e45a9a2dd7190ad87cb015d2e10f529e379e26feb
User & Date: js on 2022-11-17 14:14:01
Other Links: manifest | tags
Context
2022-11-17
14:50
Fix embedded files with GCC check-in: 722bb308e8 user: js tags: trunk
14:14
Merge trunk into branch "amiga-library" check-in: 67e0064cb0 user: js tags: amiga-library
14:14
Make OFRegisterEmbeddedFile() public check-in: 0e6774358c user: js tags: trunk
2022-11-16
23:09
Add missing #import check-in: 0169988a33 user: js tags: trunk
Changes
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Modified src/Makefile from [47fba670b3] to [1e2920ba64].

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       OFConstantString.m		\
       OFCountedSet.m			\
       OFData.m				\
       OFData+CryptographicHashing.m	\
       OFData+MessagePackParsing.m	\
       OFDate.m				\
       OFDictionary.m			\
       OFEmbeddedURIHandler.m		\
       OFEnumerator.m			\
       OFFileManager.m			\
       OFGZIPStream.m			\
       OFHMAC.m				\
       OFINICategory.m			\
       OFINIFile.m			\
       OFInflate64Stream.m		\
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	OFArchiveURIHandler.m		\
	OFBase64.m			\
	OFBitSetCharacterSet.m		\
	OFBytesValue.m			\
	OFCRC16.m			\
	OFCRC32.m			\
	OFCountedMapTableSet.m		\
	OFEmbeddedURIHandler.m		\
	OFHuffmanTree.m			\
	OFINIFileSettings.m		\
	OFInvertedCharacterSet.m	\
	OFLHADecompressingStream.m	\
	OFMapTableDictionary.m		\
	OFMapTableSet.m			\
	OFMutableAdjacentArray.m	\
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Modified src/OFEmbeddedURIHandler.h from [5163464dd8] to [b6c4c9f6e5].

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#import "OFURIHandler.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFEmbeddedURIHandler: OFURIHandler
@end

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Register a file for the `embedded:` URI scheme.
 *
 * Usually, you should not use the directly, but rather generate a source file
 * for a file to be embedded using the `objfw-embed` tool.
 *
 * @param path The path to the file under the `embedded:` scheme
 * @param bytes The raw bytes for the file
 * @param size The size of the file
 */
extern void OFRegisterEmbeddedFile(OFString *path, const uint8_t *bytes,
    size_t size);
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

Modified src/OFEmbeddedURIHandler.m from [bac2da914b] to [36019fb356].

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#ifdef OF_HAVE_THREADS
# import "OFOnce.h"
# import "OFPlainMutex.h"
#endif

struct EmbeddedFile {
	const char *name;
	OFString *path;
	const uint8_t *bytes;
	size_t size;
} *embeddedFiles = NULL;
size_t numEmbeddedFiles = 0;
#ifdef OF_HAVE_THREADS
static OFPlainMutex mutex;

static void
init(void)
{
	OFEnsure(OFPlainMutexNew(&mutex) == 0);
}
#endif

void
OFRegisterEmbeddedFile(const char *name, const uint8_t *bytes, size_t size)
OFRegisterEmbeddedFile(OFString *path, const uint8_t *bytes, size_t size)
{
#ifdef OF_HAVE_THREADS
	static OFOnceControl onceControl = OFOnceControlInitValue;
	OFOnce(&onceControl, init);

	OFEnsure(OFPlainMutexLock(&mutex) == 0);
#endif

	embeddedFiles = realloc(embeddedFiles,
	    sizeof(*embeddedFiles) * (numEmbeddedFiles + 1));
	OFEnsure(embeddedFiles != NULL);

	embeddedFiles[numEmbeddedFiles].name = name;
	embeddedFiles[numEmbeddedFiles].path = [path retain];
	embeddedFiles[numEmbeddedFiles].bytes = bytes;
	embeddedFiles[numEmbeddedFiles].size = size;
	numEmbeddedFiles++;

#ifdef OF_HAVE_THREADS
	OFEnsure(OFPlainMutexUnlock(&mutex) == 0);
#endif
}

@implementation OFEmbeddedURIHandler
- (OFStream *)openItemAtURI: (OFURI *)URI mode: (OFString *)mode
{
	const char *path;
	OFString *path;

	if (![URI.scheme isEqual: @"embedded"] || URI.host.length > 0 ||
	    URI.port != nil || URI.user != nil || URI.password != nil ||
	    URI.query != nil || URI.fragment != nil)
		@throw [OFInvalidArgumentException exception];

	if (![mode isEqual: @"r"])
		@throw [OFOpenItemFailedException exceptionWithURI: URI
							      mode: mode
							     errNo: EROFS];

	if ((path = URI.path.UTF8String) == NULL) {
	if ((path = URI.path) == nil) {
		@throw [OFInvalidArgumentException exception];
	}

#ifdef OF_HAVE_THREADS
	OFEnsure(OFPlainMutexLock(&mutex) == 0);
	@try {
#endif
		for (size_t i = 0; i < numEmbeddedFiles; i++) {
			if (strcmp(embeddedFiles[i].name, path) != 0)
			if (![embeddedFiles[i].path isEqual: path])
				continue;

			return [OFMemoryStream
			    streamWithMemoryAddress: (void *)
							 embeddedFiles[i].bytes
					       size: embeddedFiles[i].size
					   writable: false];
︙

Modified utils/objfw-embed from [b832fbf4cf] to [3a281e6a17]. 

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#!/bin/sh
if test $# != 3; then
	echo "Usage: $0 source_file filename output.m" 1>&2
	exit 1
fi

exec 1>$3

cat <<EOF
#include <stddef.h>
#include <stdint.h>

#ifdef OF_COMPILING_OBJFW
extern void OFRegisterEmbeddedFile(const char *, const uint8_t *, size_t);
# import "OFEmbeddedURIHandler.h"
#else
# import <ObjFW/OFEmbeddedURIHandler.h>
#endif

static const uint8_t bytes[] = {
EOF
od -vtx1 $1 | sed -e '/^[^ ][^ ]*$/d;s/  */ /g' -e 's/ $//g;s/^[^ ][^ ]* //' -e 's/ /, 0x/g' -e 's/^/	0x/' -e 's/$/,/'
cat <<EOF
};

static void __attribute__((__constructor__))
ctor(void)
{
	OFRegisterEmbeddedFile("$2", bytes, sizeof(bytes));
	OFRegisterEmbeddedFile(@"$2", bytes, sizeof(bytes));
}
EOF

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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