/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <string.h>
#import "OFString.h"
#import "OFArray.h"
#import "OFApplication.h"
#import "OFURL.h"
#import "OFHTTPRequest.h"
#import "OFHTTPResponse.h"
#import "OFHTTPClient.h"
#import "OFFile.h"
#import "OFStdIOStream.h"
#import "OFOutOfRangeException.h"
#import "TableGenerator.h"
#import "copyright.h"
#define UNICODE_DATA_URL \
@"http://www.unicode.org/Public/UNIDATA/UnicodeData.txt"
#define CASE_FOLDING_URL \
@"http://www.unicode.org/Public/UNIDATA/CaseFolding.txt"
OF_APPLICATION_DELEGATE(TableGenerator)
@implementation TableGenerator
- (instancetype)init
{
self = [super init];
@try {
_HTTPClient = [[OFHTTPClient alloc] init];
_HTTPClient.delegate = self;
_uppercaseTableSize = SIZE_MAX;
_lowercaseTableSize = SIZE_MAX;
_titlecaseTableSize = SIZE_MAX;
_casefoldingTableSize = SIZE_MAX;
_decompositionTableSize = SIZE_MAX;
_decompositionCompatTableSize = SIZE_MAX;
} @catch (id e) {
@throw e;
[self release];
}
return self;
}
- (void)applicationDidFinishLaunching
{
OFHTTPRequest *request;
[of_stdout writeString: @"Downloading UnicodeData.txt…"];
_state = STATE_UNICODE_DATA;
request = [OFHTTPRequest requestWithURL:
[OFURL URLWithString: UNICODE_DATA_URL]];
[_HTTPClient asyncPerformRequest: request];
}
- (void)client: (OFHTTPClient *)client
didPerformRequest: (OFHTTPRequest *)request
response: (OFHTTPResponse *)response
exception: (id)exception
{
if (exception != nil)
@throw exception;
[of_stdout writeLine: @" done"];
switch (_state) {
case STATE_UNICODE_DATA:
[self parseUnicodeData: response];
break;
case STATE_CASE_FOLDING:
[self parseCaseFolding: response];
break;
}
}
- (void)parseUnicodeData: (OFHTTPResponse *)response
{
OFString *line;
OFHTTPRequest *request;
[of_stdout writeString: @"Parsing UnicodeData.txt…"];
while ((line = [response readLine]) != nil) {
void *pool2;
OFArray OF_GENERIC(OFString *) *components;
of_unichar_t codePoint;
if (line.length == 0)
continue;
pool2 = objc_autoreleasePoolPush();
components = [line componentsSeparatedByString: @";"];
if (components.count != 15) {
of_log(@"Invalid line: %@\n", line);
[OFApplication terminateWithStatus: 1];
}
codePoint = (of_unichar_t)[[components objectAtIndex: 0]
unsignedLongLongValueWithBase: 16];
if (codePoint > 0x10FFFF)
@throw [OFOutOfRangeException exception];
_uppercaseTable[codePoint] = (of_unichar_t)[[components
objectAtIndex: 12] unsignedLongLongValueWithBase: 16];
_lowercaseTable[codePoint] = (of_unichar_t)[[components
objectAtIndex: 13] unsignedLongLongValueWithBase: 16];
_titlecaseTable[codePoint] = (of_unichar_t)[[components
objectAtIndex: 14] unsignedLongLongValueWithBase: 16];
if ([[components objectAtIndex: 5] length] > 0) {
OFArray *decomposed = [[components objectAtIndex: 5]
componentsSeparatedByString: @" "];
bool compat = false;
OFMutableString *string;
if ([decomposed.firstObject hasPrefix: @"<"]) {
decomposed = [decomposed objectsInRange:
of_range(1, decomposed.count - 1)];
compat = true;
}
string = [OFMutableString string];
for (OFString *character in decomposed) {
of_unichar_t unichar = (of_unichar_t)[character
unsignedLongLongValueWithBase: 16];
[string appendCharacters: &unichar
length: 1];
}
[string makeImmutable];
if (!compat)
_decompositionTable[codePoint] = [string copy];
_decompositionCompatTable[codePoint] = [string copy];
}
objc_autoreleasePoolPop(pool2);
}
[self applyDecompositionRecursivelyForTable: _decompositionTable];
[self applyDecompositionRecursivelyForTable: _decompositionCompatTable];
[of_stdout writeLine: @" done"];
[of_stdout writeString: @"Downloading CaseFolding.txt…"];
_state = STATE_CASE_FOLDING;
request = [OFHTTPRequest requestWithURL:
[OFURL URLWithString: CASE_FOLDING_URL]];
[_HTTPClient asyncPerformRequest: request];
}
- (void)parseCaseFolding: (OFHTTPResponse *)response
{
OFString *line;
[of_stdout writeString: @"Parsing CaseFolding.txt…"];
while ((line = [response readLine]) != nil) {
void *pool2;
OFArray OF_GENERIC(OFString *) *components;
of_unichar_t codePoint;
if (line.length == 0 || [line hasPrefix: @"#"])
continue;
pool2 = objc_autoreleasePoolPush();
components = [line componentsSeparatedByString: @"; "];
if (components.count != 4) {
of_log(@"Invalid line: %s\n", line);
[OFApplication terminateWithStatus: 1];
}
if (![[components objectAtIndex: 1] isEqual: @"S"] &&
![[components objectAtIndex: 1] isEqual: @"C"])
continue;
codePoint = (of_unichar_t)[[components objectAtIndex: 0]
unsignedLongLongValueWithBase: 16];
if (codePoint > 0x10FFFF)
@throw [OFOutOfRangeException exception];
_casefoldingTable[codePoint] = (of_unichar_t)[[components
objectAtIndex: 2] unsignedLongLongValueWithBase: 16];
objc_autoreleasePoolPop(pool2);
}
[of_stdout writeLine: @" done"];
[self writeFiles];
}
- (void)applyDecompositionRecursivelyForTable: (OFString *[0x110000])table
{
bool done;
do {
done = true;
for (of_unichar_t i = 0; i < 0x110000; i++) {
void *pool;
const of_unichar_t *characters;
size_t length;
OFMutableString *replacement;
bool changed = false;
if (table[i] == nil)
continue;
pool = objc_autoreleasePoolPush();
characters = table[i].characters;
length = table[i].length;
replacement = [OFMutableString string];
for (size_t j = 0; j < length; j++) {
if (characters[j] > 0x10FFFF)
@throw [OFOutOfRangeException
exception];
if (table[characters[j]] == nil)
[replacement
appendCharacters: &characters[j]
length: 1];
else {
[replacement
appendString: table[characters[j]]];
changed = true;
}
}
[replacement makeImmutable];
if (changed) {
[table[i] release];
table[i] = [replacement copy];
done = false;
}
objc_autoreleasePoolPop(pool);
}
} while (!done);
}
- (void)writeFiles
{
OFURL *URL;
[of_stdout writeString: @"Writing files…"];
URL = [OFURL fileURLWithPath: @"../../src/unicode.m"];
[self writeTablesToFile: URL.fileSystemRepresentation];
URL = [OFURL fileURLWithPath: @"../../src/unicode.h"];
[self writeHeaderToFile: URL.fileSystemRepresentation];
[of_stdout writeLine: @" done"];
[OFApplication terminate];
}
- (void)writeTablesToFile: (OFString *)path
{
void *pool = objc_autoreleasePoolPush();
OFFile *file = [OFFile fileWithPath: path
mode: @"w"];
[file writeString: COPYRIGHT
@"#include \"config.h\"\n"
@"\n"
@"#import \"OFString.h\"\n\n"
@"static const of_unichar_t emptyPage[0x100] = { 0 };\n"
@"static const char *emptyDecompositionPage[0x100] = { NULL };\n"
@"\n"];
/* Write uppercasePage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_uppercaseTable[j] != 0) {
isEmpty = false;
_uppercaseTableSize = i >> 8;
_uppercaseTableUsed[_uppercaseTableSize] = 1;
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const of_unichar_t "
@"uppercasePage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j += 8)
[file writeFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
_uppercaseTable[j],
_uppercaseTable[j + 1],
_uppercaseTable[j + 2],
_uppercaseTable[j + 3],
_uppercaseTable[j + 4],
_uppercaseTable[j + 5],
_uppercaseTable[j + 6],
_uppercaseTable[j + 7]];
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/* Write lowercasePage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_lowercaseTable[j] != 0) {
isEmpty = false;
_lowercaseTableSize = i >> 8;
_lowercaseTableUsed[_lowercaseTableSize] = 1;
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const of_unichar_t "
@"lowercasePage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j += 8)
[file writeFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
_lowercaseTable[j],
_lowercaseTable[j + 1],
_lowercaseTable[j + 2],
_lowercaseTable[j + 3],
_lowercaseTable[j + 4],
_lowercaseTable[j + 5],
_lowercaseTable[j + 6],
_lowercaseTable[j + 7]];
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/* Write titlecasePage%u if it does NOT match uppercasePage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_titlecaseTable[j] != 0) {
isEmpty = !memcmp(_uppercaseTable + i,
_titlecaseTable + i,
256 * sizeof(of_unichar_t));
_titlecaseTableSize = i >> 8;
_titlecaseTableUsed[_titlecaseTableSize] =
(isEmpty ? 2 : 1);
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const of_unichar_t "
@"titlecasePage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j += 8)
[file writeFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
_titlecaseTable[j],
_titlecaseTable[j + 1],
_titlecaseTable[j + 2],
_titlecaseTable[j + 3],
_titlecaseTable[j + 4],
_titlecaseTable[j + 5],
_titlecaseTable[j + 6],
_titlecaseTable[j + 7]];
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/* Write casefoldingPage%u if it does NOT match lowercasePage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_casefoldingTable[j] != 0) {
isEmpty = !memcmp(_lowercaseTable + i,
_casefoldingTable + i,
256 * sizeof(of_unichar_t));
_casefoldingTableSize = i >> 8;
_casefoldingTableUsed[_casefoldingTableSize] =
(isEmpty ? 2 : 1);
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const of_unichar_t "
@"casefoldingPage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j += 8)
[file writeFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
_casefoldingTable[j],
_casefoldingTable[j + 1],
_casefoldingTable[j + 2],
_casefoldingTable[j + 3],
_casefoldingTable[j + 4],
_casefoldingTable[j + 5],
_casefoldingTable[j + 6],
_casefoldingTable[j + 7]];
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/* Write decompositionPage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_decompositionTable[j] != nil) {
isEmpty = false;
_decompositionTableSize = i >> 8;
_decompositionTableUsed[
_decompositionTableSize] = 1;
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const char *const "
@"decompositionPage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j++) {
if ((j - i) % 2 == 0)
[file writeString: @"\t"];
else
[file writeString: @" "];
if (_decompositionTable[j] != nil) {
const char *UTF8String =
_decompositionTable[j].UTF8String;
size_t length = _decompositionTable[j]
.UTF8StringLength;
[file writeString: @"\""];
for (size_t k = 0; k < length; k++)
[file writeFormat:
@"\\x%02X",
(uint8_t)UTF8String[k]];
[file writeString: @"\","];
} else
[file writeString: @"NULL,"];
if ((j - i) % 2 == 1)
[file writeString: @"\n"];
}
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/* Write decompCompatPage%u if it does NOT match decompositionPage%u */
for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
bool isEmpty = true;
for (of_unichar_t j = i; j < i + 0x100; j++) {
if (_decompositionCompatTable[j] != 0) {
/*
* We bulk-compare pointers via memcmp here.
* This is safe, as we always set the same
* pointer in both tables if both are the same.
*/
isEmpty = !memcmp(_decompositionTable + i,
_decompositionCompatTable + i,
256 * sizeof(const char *));
_decompositionCompatTableSize = i >> 8;
_decompositionCompatTableUsed[
_decompositionCompatTableSize] =
(isEmpty ? 2 : 1);
break;
}
}
if (!isEmpty) {
void *pool2 = objc_autoreleasePoolPush();
[file writeFormat: @"static const char *const "
@"decompCompatPage%u[0x100] = {\n",
i >> 8];
for (of_unichar_t j = i; j < i + 0x100; j++) {
if ((j - i) % 2 == 0)
[file writeString: @"\t"];
else
[file writeString: @" "];
if (_decompositionCompatTable[j] != nil) {
const char *UTF8String =
_decompositionCompatTable[j]
.UTF8String;
size_t length =
_decompositionCompatTable[j]
.UTF8StringLength;
[file writeString: @"\""];
for (size_t k = 0; k < length; k++)
[file writeFormat:
@"\\x%02X",
(uint8_t)UTF8String[k]];
[file writeString: @"\","];
} else
[file writeString: @"NULL,"];
if ((j - i) % 2 == 1)
[file writeString: @"\n"];
}
[file writeString: @"};\n\n"];
objc_autoreleasePoolPop(pool2);
}
}
/*
* Those are currently set to the last index.
* But from now on, we need the size.
*/
_uppercaseTableSize++;
_lowercaseTableSize++;
_titlecaseTableSize++;
_casefoldingTableSize++;
_decompositionTableSize++;
_decompositionCompatTableSize++;
/* Write of_unicode_uppercase_table */
[file writeFormat: @"const of_unichar_t *const "
@"of_unicode_uppercase_table[0x%X] = {\n\t",
_uppercaseTableSize];
for (of_unichar_t i = 0; i < _uppercaseTableSize; i++) {
if (_uppercaseTableUsed[i])
[file writeFormat: @"uppercasePage%u", i];
else
[file writeString: @"emptyPage"];
if (i + 1 < _uppercaseTableSize) {
if ((i + 1) % 4 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n\n"];
/* Write of_unicode_lowercase_table */
[file writeFormat: @"const of_unichar_t *const "
@"of_unicode_lowercase_table[0x%X] = {\n\t",
_lowercaseTableSize];
for (of_unichar_t i = 0; i < _lowercaseTableSize; i++) {
if (_lowercaseTableUsed[i])
[file writeFormat: @"lowercasePage%u", i];
else
[file writeString: @"emptyPage"];
if (i + 1 < _lowercaseTableSize) {
if ((i + 1) % 4 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n\n"];
/* Write of_unicode_titlecase_table */
[file writeFormat: @"const of_unichar_t *const "
@"of_unicode_titlecase_table[0x%X] = {\n\t",
_titlecaseTableSize];
for (of_unichar_t i = 0; i < _titlecaseTableSize; i++) {
if (_titlecaseTableUsed[i] == 1)
[file writeFormat: @"titlecasePage%u", i];
else if (_titlecaseTableUsed[i] == 2)
[file writeFormat: @"uppercasePage%u", i];
else
[file writeString: @"emptyPage"];
if (i + 1 < _titlecaseTableSize) {
if ((i + 1) % 4 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n\n"];
/* Write of_unicode_casefolding_table */
[file writeFormat: @"const of_unichar_t *const "
@"of_unicode_casefolding_table[0x%X] = {\n\t",
_casefoldingTableSize];
for (of_unichar_t i = 0; i < _casefoldingTableSize; i++) {
if (_casefoldingTableUsed[i] == 1)
[file writeFormat: @"casefoldingPage%u", i];
else if (_casefoldingTableUsed[i] == 2)
[file writeFormat: @"lowercasePage%u", i];
else
[file writeString: @"emptyPage"];
if (i + 1 < _casefoldingTableSize) {
if ((i + 1) % 3 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n\n"];
/* Write of_unicode_decomposition_table */
[file writeFormat: @"const char *const "
@"*of_unicode_decomposition_table[0x%X] = {\n\t",
_decompositionTableSize];
for (of_unichar_t i = 0; i < _decompositionTableSize; i++) {
if (_decompositionTableUsed[i])
[file writeFormat: @"decompositionPage%u", i];
else
[file writeString: @"emptyDecompositionPage"];
if (i + 1 < _decompositionTableSize) {
if ((i + 1) % 3 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n\n"];
/* Write of_unicode_decomposition_compat_table */
[file writeFormat: @"const char *const "
@"*of_unicode_decomposition_compat_table[0x%X] = {"
@"\n\t",
_decompositionCompatTableSize];
for (of_unichar_t i = 0; i < _decompositionCompatTableSize; i++) {
if (_decompositionCompatTableUsed[i] == 1)
[file writeFormat: @"decompCompatPage%u", i];
else if (_decompositionCompatTableUsed[i] == 2)
[file writeFormat: @"decompositionPage%u", i];
else
[file writeString: @"emptyDecompositionPage"];
if (i + 1 < _decompositionCompatTableSize) {
if ((i + 1) % 3 == 0)
[file writeString: @",\n\t"];
else
[file writeString: @", "];
}
}
[file writeString: @"\n};\n"];
objc_autoreleasePoolPop(pool);
}
- (void)writeHeaderToFile: (OFString *)path
{
void *pool = objc_autoreleasePoolPush();
OFFile *file = [OFFile fileWithPath: path
mode: @"w"];
[file writeString: COPYRIGHT
@"#import \"OFString.h\"\n\n"];
[file writeFormat:
@"#define OF_UNICODE_UPPERCASE_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_LOWERCASE_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_TITLECASE_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_CASEFOLDING_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_DECOMPOSITION_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_DECOMPOSITION_COMPAT_TABLE_SIZE 0x%X\n\n",
_uppercaseTableSize, _lowercaseTableSize, _titlecaseTableSize,
_casefoldingTableSize, _decompositionTableSize,
_decompositionCompatTableSize];
[file writeString:
@"#ifdef __cplusplus\n"
@"extern \"C\" {\n"
@"#endif\n"
@"extern const of_unichar_t *const _Nonnull\n"
@" of_unicode_uppercase_table["
@"OF_UNICODE_UPPERCASE_TABLE_SIZE];\n"
@"extern const of_unichar_t *const _Nonnull\n"
@" of_unicode_lowercase_table["
@"OF_UNICODE_LOWERCASE_TABLE_SIZE];\n"
@"extern const of_unichar_t *const _Nonnull\n"
@" of_unicode_titlecase_table["
@"OF_UNICODE_TITLECASE_TABLE_SIZE];\n"
@"extern const of_unichar_t *const _Nonnull\n"
@" of_unicode_casefolding_table["
@"OF_UNICODE_CASEFOLDING_TABLE_SIZE];\n"
@"extern const char *const _Nullable *const _Nonnull\n"
@" of_unicode_decomposition_table["
@"OF_UNICODE_DECOMPOSITION_TABLE_SIZE];\n"
@"extern const char *const _Nullable *const _Nonnull\n"
@" of_unicode_decomposition_compat_table["
@"OF_UNICODE_DECOMPOSITION_COMPAT_TABLE_SIZE];\n"
@"#ifdef __cplusplus\n"
@"}\n"
@"#endif\n"];
objc_autoreleasePoolPop(pool);
}
@end