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Add: [Win32] Native natural sort implementation.

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This commit is contained in:
Michael Lutz 2018-04-29 00:34:01 +02:00
parent 2b662b448c
commit f4394debdc
4 changed files with 83 additions and 1 deletions
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65
src/os/windows/win32.cpp
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@ -28,6 +28,7 @@
#include "../../crashlog.h"
#include <errno.h>
#include <sys/stat.h>
#include "../../language.h"
/* Due to TCHAR, strncat and strncpy have to remain (for a while). */
#include "../../safeguards.h"
@ -739,6 +740,70 @@ uint GetCPUCoreCount()
return info.dwNumberOfProcessors;
}
static WCHAR _cur_iso_locale[16] = L"";
void Win32SetCurrentLocaleName(const char *iso_code)
{
/* Convert the iso code into the format that windows expects. */
char iso[16];
if (strcmp(iso_code, "zh_TW") == 0) {
strecpy(iso, "zh-Hant", lastof(iso));
} else if (strcmp(iso_code, "zh_CN") == 0) {
strecpy(iso, "zh-Hans", lastof(iso));
} else {
/* Windows expects a '-' between language and country code, but we use a '_'. */
strecpy(iso, iso_code, lastof(iso));
for (char *c = iso; *c != '\0'; c++) {
if (*c == '_') *c = '-';
}
}
MultiByteToWideChar(CP_UTF8, 0, iso, -1, _cur_iso_locale, lengthof(_cur_iso_locale));
}
int OTTDStringCompare(const char *s1, const char *s2)
{
typedef int (WINAPI *PFNCOMPARESTRINGEX)(LPCWSTR, DWORD, LPCWCH, int, LPCWCH, int, LPVOID, LPVOID, LPARAM);
static PFNCOMPARESTRINGEX _CompareStringEx = NULL;
static bool first_time = true;
#ifndef SORT_DIGITSASNUMBERS
# define SORT_DIGITSASNUMBERS 0x00000008 // use digits as numbers sort method
#endif
#ifndef LINGUISTIC_IGNORECASE
# define LINGUISTIC_IGNORECASE 0x00000010 // linguistically appropriate 'ignore case'
#endif
if (first_time) {
_CompareStringEx = (PFNCOMPARESTRINGEX)GetProcAddress(GetModuleHandle(_T("Kernel32")), "CompareStringEx");
first_time = false;
}
if (_CompareStringEx != NULL) {
/* CompareStringEx takes UTF-16 strings, even in ANSI-builds. */
int len_s1 = MultiByteToWideChar(CP_UTF8, 0, s1, -1, NULL, 0);
int len_s2 = MultiByteToWideChar(CP_UTF8, 0, s2, -1, NULL, 0);
if (len_s1 != 0 && len_s2 != 0) {
LPWSTR str_s1 = AllocaM(WCHAR, len_s1);
LPWSTR str_s2 = AllocaM(WCHAR, len_s2);
MultiByteToWideChar(CP_UTF8, 0, s1, -1, str_s1, len_s1);
MultiByteToWideChar(CP_UTF8, 0, s2, -1, str_s2, len_s2);
int result = _CompareStringEx(_cur_iso_locale, LINGUISTIC_IGNORECASE | SORT_DIGITSASNUMBERS, str_s1, -1, str_s2, -1, NULL, NULL, 0);
if (result != 0) return result;
}
}
TCHAR s1_buf[512], s2_buf[512];
convert_to_fs(s1, s1_buf, lengthof(s1_buf));
convert_to_fs(s2, s2_buf, lengthof(s2_buf));
return CompareString(MAKELCID(_current_language->winlangid, SORT_DEFAULT), NORM_IGNORECASE, s1_buf, -1, s2_buf, -1);
}
#ifdef _MSC_VER
/* Code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
const DWORD MS_VC_EXCEPTION = 0x406D1388;

3
src/os/windows/win32.h
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@ -45,4 +45,7 @@ void SetWin32ThreadName(DWORD dwThreadID, const char* threadName);
static inline void SetWin32ThreadName(DWORD dwThreadID, const char* threadName) {}
#endif
void Win32SetCurrentLocaleName(const char *iso_code);
int OTTDStringCompare(const char *s1, const char *s2);
#endif /* WIN32_H */

11
src/string.cpp
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@ -25,6 +25,10 @@
#include <errno.h> // required by vsnprintf implementation for MSVC
#endif
#ifdef WIN32
#include "os/windows/win32.h"
#endif
#ifdef WITH_ICU_SORT
/* Required by strnatcmp. */
#include <unicode/ustring.h>
@ -572,15 +576,20 @@ int strnatcmp(const char *s1, const char *s2, bool ignore_garbage_at_front)
s1 = SkipGarbage(s1);
s2 = SkipGarbage(s2);
}
#ifdef WITH_ICU_SORT
if (_current_collator != NULL) {
UErrorCode status = U_ZERO_ERROR;
int result = _current_collator->compareUTF8(s1, s2, status);
if (U_SUCCESS(status)) return result;
}
#endif /* WITH_ICU_SORT */
#if defined(WIN32) && !defined(STRGEN) && !defined(SETTINGSGEN)
int res = OTTDStringCompare(s1, s2);
if (res != 0) return res - 2; // Convert to normal C return values.
#endif
/* Do a normal comparison if ICU is missing or if we cannot create a collator. */
return strcasecmp(s1, s2);
}

5
src/strings.cpp
View File

@ -1788,6 +1788,11 @@ bool ReadLanguagePack(const LanguageMetadata *lang)
strecpy(_config_language_file, c_file, lastof(_config_language_file));
SetCurrentGrfLangID(_current_language->newgrflangid);
#ifdef WIN32
extern void Win32SetCurrentLocaleName(const char *iso_code);
Win32SetCurrentLocaleName(_current_language->isocode);
#endif
#ifdef WITH_ICU_SORT
/* Delete previous collator. */
if (_current_collator != NULL) {