/*
* Copyright (c) 2008 - 2010
* Jonathan Schleifer <js@webkeks.org>
*
* 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 included in
* the packaging of this file.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#import "OFString.h"
#import "OFArray.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "TableGenerator.h"
#import "copyright.h"
@implementation TableGenerator
- init
{
self = [super init];
upper_size = SIZE_MAX;
lower_size = SIZE_MAX;
casefolding_size = SIZE_MAX;
return self;
}
- (void)readUnicodeDataFile: (OFString*)path
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init], *pool2;
OFFile *file = [OFFile fileWithPath: path
mode: @"rb"];
OFString *line;
pool2 = [[OFAutoreleasePool alloc] init];
while ((line = [file readLine])) {
OFArray *splitted;
OFString **splitted_carray;
of_unichar_t codep;
splitted = [line splitWithDelimiter: @";"];
if ([splitted count] != 15) {
fprintf(stderr, "Invalid line: %s\n", [line cString]);
exit(1);
}
splitted_carray = [splitted cArray];
codep = [splitted_carray[0] hexadecimalValueAsInteger];
upper[codep] = [splitted_carray[12] hexadecimalValueAsInteger];
lower[codep] = [splitted_carray[13] hexadecimalValueAsInteger];
[pool2 releaseObjects];
}
[pool release];
}
- (void)readCaseFoldingFile: (OFString*)path
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init], *pool2;
OFFile *file = [OFFile fileWithPath: path
mode: @"rb"];
OFString *line;
pool2 = [[OFAutoreleasePool alloc] init];
while ((line = [file readLine])) {
OFArray *splitted;
OFString **splitted_carray;
of_unichar_t codep;
if ([line characterAtIndex: 0] == '#')
continue;
splitted = [line splitWithDelimiter: @"; "];
if ([splitted count] != 4) {
fprintf(stderr, "Invalid line: %s\n", [line cString]);
exit(1);
}
splitted_carray = [splitted cArray];
if (![splitted_carray[1] isEqual: @"S"] &&
![splitted_carray[1] isEqual: @"C"])
continue;
codep = [splitted_carray[0] hexadecimalValueAsInteger];
casefolding[codep] =
[splitted_carray[2] hexadecimalValueAsInteger];
[pool2 releaseObjects];
}
[pool release];
}
- (void)writeTablesToFile: (OFString*)file
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init], *pool2;
of_unichar_t i, j;
OFFile *f = [OFFile fileWithPath: file
mode: @"wb"];
[f writeString: COPYRIGHT
@"#include \"config.h\"\n"
@"\n"
@"#import \"OFString.h\"\n\n"
@"static const of_unichar_t nop_page[0x100] = {};\n\n"];
pool2 = [[OFAutoreleasePool alloc] init];
/* Write upper_page_%u */
for (i = 0; i < 0x110000; i += 0x100) {
BOOL empty;
empty = YES;
for (j = i; j < i + 0x100; j++) {
if (upper[j] != 0) {
empty = NO;
upper_size = i >> 8;
upper_table_used[upper_size] = YES;
break;
}
}
if (!empty) {
[f writeString: [OFString stringWithFormat:
@"static const of_unichar_t upper_page_%u[0x100] = "
@"{\n", i >> 8]];
for (j = i; j < i + 0x100; j += 8)
[f writeString: [OFString stringWithFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
upper[j], upper[j + 1], upper[j + 2],
upper[j + 3], upper[j + 4], upper[j + 5],
upper[j + 6], upper[j + 7]]];
[f writeString: @"};\n\n"];
[pool2 releaseObjects];
}
}
/* Write lower_page_%u */
for (i = 0; i < 0x110000; i += 0x100) {
BOOL empty;
empty = YES;
for (j = i; j < i + 0x100; j++) {
if (lower[j] != 0) {
empty = NO;
lower_size = i >> 8;
lower_table_used[lower_size] = YES;
break;
}
}
if (!empty) {
[f writeString: [OFString stringWithFormat:
@"static const of_unichar_t lower_page_%u[0x100] = "
@"{\n", i >> 8]];
for (j = i; j < i + 0x100; j += 8)
[f writeString: [OFString stringWithFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
lower[j], lower[j + 1], lower[j + 2],
lower[j + 3], lower[j + 4], lower[j + 5],
lower[j + 6], lower[j + 7]]];
[f writeString: @"};\n\n"];
[pool2 releaseObjects];
}
}
/* Write cf_page_%u if it does NOT match lower_page_%u */
for (i = 0; i < 0x110000; i += 0x100) {
BOOL empty;
empty = YES;
for (j = i; j < i + 0x100; j++) {
if (casefolding[j] != 0) {
empty = (memcmp(lower + i, casefolding + i,
256 * sizeof(of_unichar_t)) ? NO : YES);
casefolding_size = i >> 8;
casefolding_table_used[casefolding_size] =
(empty ? 2 : 1);
break;
}
}
if (!empty) {
[f writeString: [OFString stringWithFormat:
@"static const of_unichar_t cf_page_%u[0x100] = {"
@"\n", i >> 8]];
for (j = i; j < i + 0x100; j += 8)
[f writeString: [OFString stringWithFormat:
@"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
casefolding[j], casefolding[j + 1],
casefolding[j + 2], casefolding[j + 3],
casefolding[j + 4], casefolding[j + 5],
casefolding[j + 6], casefolding[j + 7]]];
[f writeString: @"};\n\n"];
[pool2 releaseObjects];
}
}
/*
* Those are currently set to the last index.
* But from now on, we need the size.
*/
upper_size++;
lower_size++;
casefolding_size++;
/* Write of_unicode_upper_table */
[f writeString: [OFString stringWithFormat:
@"const of_unichar_t* const of_unicode_upper_table[0x%X] = {\n\t",
upper_size]];
for (i = 0; i < upper_size; i++) {
if (upper_table_used[i]) {
[f writeString: [OFString stringWithFormat:
@"upper_page_%u", i]];
[pool2 releaseObjects];
} else
[f writeString: @"nop_page"];
if (i + 1 < upper_size) {
if ((i + 1) % 4 == 0)
[f writeString: @",\n\t"];
else
[f writeString: @", "];
}
}
[f writeString: @"\n};\n\n"];
/* Write of_unicode_lower_table */
[f writeString: [OFString stringWithFormat:
@"const of_unichar_t* const of_unicode_lower_table[0x%X] = {\n\t",
lower_size]];
for (i = 0; i < lower_size; i++) {
if (lower_table_used[i]) {
[f writeString: [OFString stringWithFormat:
@"lower_page_%u", i]];
[pool2 releaseObjects];
} else
[f writeString: @"nop_page"];
if (i + 1 < lower_size) {
if ((i + 1) % 4 == 0)
[f writeString: @",\n\t"];
else
[f writeString: @", "];
}
}
[f writeString: @"\n};\n\n"];
/* Write of_unicode_casefolding_table */
[f writeString: [OFString stringWithFormat:
@"const of_unichar_t* const of_unicode_casefolding_table[0x%X] = {"
@"\n\t", casefolding_size]];
for (i = 0; i < casefolding_size; i++) {
if (casefolding_table_used[i] == 1) {
[f writeString: [OFString stringWithFormat:
@"cf_page_%u", i]];
[pool2 releaseObjects];
} else if (casefolding_table_used[i] == 2) {
[f writeString: [OFString stringWithFormat:
@"lower_page_%u", i]];
} else
[f writeString: @"nop_page"];
if (i + 1 < casefolding_size) {
if ((i + 1) % 4 == 0)
[f writeString: @",\n\t"];
else
[f writeString: @", "];
}
}
[f writeString: @"\n};\n"];
[pool release];
}
- (void)writeHeaderToFile: (OFString*)file
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFFile *f = [OFFile fileWithPath: file
mode: @"wb"];
[f writeString: COPYRIGHT
@"#import \"OFString.h\"\n\n"];
[f writeString: [OFString stringWithFormat:
@"#define OF_UNICODE_UPPER_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_LOWER_TABLE_SIZE 0x%X\n"
@"#define OF_UNICODE_CASEFOLDING_TABLE_SIZE 0x%X\n\n",
upper_size, lower_size, casefolding_size]];
[f writeString:
@"extern const of_unichar_t* const\n"
@" of_unicode_upper_table[OF_UNICODE_UPPER_TABLE_SIZE];\n"
@"extern const of_unichar_t* const\n"
@" of_unicode_lower_table[OF_UNICODE_LOWER_TABLE_SIZE];\n"
@"extern const of_unichar_t* const\n"
@" of_unicode_casefolding_table["
@"OF_UNICODE_CASEFOLDING_TABLE_SIZE];\n"];
[pool release];
}
@end