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[HybridGlobalization] Pass non-breaking space / narrow non-breaking s…
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…pace characters (#103226)

Pass non-breaking, narrow non-breaking space as they are
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@mkhamoyan
mkhamoyan committed Jun 18, 2024
1 parent a189e83 commit 5dbd6f6
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Showing 9 changed files with 57 additions and 101 deletions.
35 changes: 25 additions & 10 deletions src/libraries/System.Private.CoreLib/src/System/Globalization/CultureData.Icu.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -291,18 +291,34 @@ private unsafe string IcuGetTimeFormatString(bool shortFormat)
Debug.Assert(!GlobalizationMode.UseNls);
Debug.Assert(_sWindowsName != null, "[CultureData.GetTimeFormatString(bool shortFormat)] Expected _sWindowsName to be populated already");

char* buffer = stackalloc char[ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY];

bool result = Interop.Globalization.GetLocaleTimeFormat(_sWindowsName, shortFormat, buffer, ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY);
if (!result)
ReadOnlySpan<char> span;
#if TARGET_MACCATALYST || TARGET_IOS || TARGET_TVOS
if (GlobalizationMode.Hybrid)
{
// Failed, just use empty string
Debug.Fail("[CultureData.GetTimeFormatString(bool shortFormat)] Failed");
return string.Empty;
string res = Interop.Globalization.GetLocaleTimeFormatNative(_sWindowsName, shortFormat);
if (string.IsNullOrEmpty(res))
{
Debug.Fail("[CultureData.GetTimeFormatString(bool shortFormat)] Failed");
return string.Empty;
}
span = res.AsSpan();
}
else
#endif
{
char* buffer = stackalloc char[ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY];
bool result = Interop.Globalization.GetLocaleTimeFormat(_sWindowsName, shortFormat, buffer, ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY);
if (!result)
{
// Failed, just use empty string
Debug.Fail("[CultureData.GetTimeFormatString(bool shortFormat)] Failed");
return string.Empty;
}
span = new ReadOnlySpan<char>(buffer, ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY);
span = span.Slice(0, span.IndexOf('\0'));
}

var span = new ReadOnlySpan<char>(buffer, ICU_ULOC_KEYWORD_AND_VALUES_CAPACITY);
return ConvertIcuTimeFormatString(span.Slice(0, span.IndexOf('\0')));
return ConvertIcuTimeFormatString(span);
}

// no support to lookup by region name, other than the hard-coded list in CultureData
Expand Down Expand Up @@ -373,7 +389,6 @@ private static string ConvertIcuTimeFormatString(ReadOnlySpan<char> icuFormatStr
case '\u202F': // narrow no-break space
result[resultPos++] = current;
break;

case 'a': // AM/PM
if (!amPmAdded)
{
Expand Down
4 changes: 0 additions & 4 deletions src/libraries/System.Private.CoreLib/src/System/Globalization/CultureData.Unix.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,11 +20,7 @@ internal sealed partial class CultureData

private string[]? GetTimeFormatsCore(bool shortFormat)
{
#if TARGET_MACCATALYST || TARGET_IOS || TARGET_TVOS
string format = GlobalizationMode.Hybrid ? GetTimeFormatStringNative(shortFormat) : IcuGetTimeFormatString(shortFormat);
#else
string format = IcuGetTimeFormatString(shortFormat);
#endif
return new string[] { format };
}

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4 changes: 0 additions & 4 deletions src/libraries/System.Private.CoreLib/src/System/Globalization/CultureData.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1978,11 +1978,7 @@ internal string TimeSeparator
}
else
{
#if TARGET_MACCATALYST || TARGET_IOS || TARGET_TVOS
string? longTimeFormat = GlobalizationMode.Hybrid ? GetTimeFormatStringNative() : IcuGetTimeFormatString();
#else
string? longTimeFormat = ShouldUseUserOverrideNlsData ? NlsGetTimeFormatString() : IcuGetTimeFormatString();
#endif
if (string.IsNullOrEmpty(longTimeFormat))
{
longTimeFormat = LongTimes[0];
Expand Down
68 changes: 0 additions & 68 deletions src/libraries/System.Private.CoreLib/src/System/Globalization/CultureData.iOS.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,6 @@ namespace System.Globalization
{
internal sealed partial class CultureData
{
private const int LOC_FULLNAME_CAPACITY = 157; // max size of locale name

internal static string GetLocaleNameNative(string localeName)
{
return Interop.Globalization.GetLocaleNameNative(localeName);
Expand Down Expand Up @@ -64,71 +62,5 @@ private int[] GetLocaleInfoNative(LocaleGroupingData type)

return new int[] { primaryGroupingSize, secondaryGroupingSize };
}

private string GetTimeFormatStringNative() => GetTimeFormatStringNative(shortFormat: false);

private string GetTimeFormatStringNative(bool shortFormat)
{
Debug.Assert(_sWindowsName != null, "[CultureData.GetTimeFormatStringNative(bool shortFormat)] Expected _sWindowsName to be populated already");

string result = Interop.Globalization.GetLocaleTimeFormatNative(_sWindowsName, shortFormat);

return ConvertNativeTimeFormatString(result);
}

private static string ConvertNativeTimeFormatString(string nativeFormatString)
{
Span<char> result = stackalloc char[LOC_FULLNAME_CAPACITY];

bool amPmAdded = false;
int resultPos = 0;

for (int i = 0; i < nativeFormatString.Length; i++)
{
switch (nativeFormatString[i])
{
case '\'':
result[resultPos++] = nativeFormatString[i++];
while (i < nativeFormatString.Length)
{
char current = nativeFormatString[i];
result[resultPos++] = current;
if (current == '\'')
{
break;
}
i++;
}
break;

case ':':
case '.':
case 'H':
case 'h':
case 'm':
case 's':
result[resultPos++] = nativeFormatString[i];
break;

case ' ':
case '\u00A0':
// Convert nonbreaking spaces into regular spaces
result[resultPos++] = ' ';
break;

case 'a': // AM/PM
if (!amPmAdded)
{
amPmAdded = true;
result[resultPos++] = 't';
result[resultPos++] = 't';
}
break;

}
}

return result.Slice(0, resultPos).ToString();
}
}
}
14 changes: 14 additions & 0 deletions .../tests/System.Globalization.Tests/DateTimeFormatInfo/DateTimeFormatInfoLongTimePattern.cs
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Expand Up @@ -283,5 +283,19 @@ public void LongTimePattern_CheckReadingTimeFormatWithSingleQuotes_ICU()
}
}
}

[Fact]
public void LongTimePattern_CheckTimeFormatWithSpaces()
{
var date = DateTime.Today + TimeSpan.FromHours(15) + TimeSpan.FromMinutes(15);
var culture = new CultureInfo("en-US");
string formattedDate = date.ToString("t", culture);
bool containsSpace = formattedDate.Contains(' ');
bool containsNoBreakSpace = formattedDate.Contains('\u00A0');
bool containsNarrowNoBreakSpace = formattedDate.Contains('\u202F');

Assert.True(containsSpace || containsNoBreakSpace || containsNarrowNoBreakSpace,
$"Formatted date string '{formattedDate}' does not contain any of the specified spaces.");
}
}
}
14 changes: 14 additions & 0 deletions ...tests/System.Globalization.Tests/DateTimeFormatInfo/DateTimeFormatInfoShortTimePattern.cs
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Expand Up @@ -254,5 +254,19 @@ public void ShortTimePattern_SetReadOnly_ThrowsInvalidOperationException()
{
Assert.Throws<InvalidOperationException>(() => DateTimeFormatInfo.InvariantInfo.ShortTimePattern = "HH:mm");
}

[Fact]
public void ShortTimePattern_CheckTimeFormatWithSpaces()
{
var date = DateTime.Today + TimeSpan.FromHours(15) + TimeSpan.FromMinutes(15);
var culture = new CultureInfo("en-US");
string formattedDate = date.ToString("t", culture);
bool containsSpace = formattedDate.Contains(' ');
bool containsNoBreakSpace = formattedDate.Contains('\u00A0');
bool containsNarrowNoBreakSpace = formattedDate.Contains('\u202F');

Assert.True(containsSpace || containsNoBreakSpace || containsNarrowNoBreakSpace,
$"Formatted date string '{formattedDate}' does not contain any of the specified spaces.");
}
}
}
6 changes: 2 additions & 4 deletions src/mono/browser/runtime/hybrid-globalization/calendar.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
import { VoidPtrNull } from "../types/internal";
import { runtimeHelpers } from "./module-exports";
import { Int32Ptr, VoidPtr } from "../types/emscripten";
import { INNER_SEPARATOR, OUTER_SEPARATOR, normalizeSpaces } from "./helpers";
import { INNER_SEPARATOR, OUTER_SEPARATOR } from "./helpers";

const MONTH_CODE = "MMMM";
const YEAR_CODE = "yyyy";
Expand Down Expand Up @@ -96,7 +96,6 @@ function getMonthYearPattern (locale: string | undefined, date: Date): string {
pattern = pattern.replace("999", YEAR_CODE);
// sometimes the number is localized and the above does not have an effect
const yearStr = date.toLocaleDateString(locale, { year: "numeric" });
pattern = normalizeSpaces(pattern);
return pattern.replace(yearStr, YEAR_CODE);
}

Expand Down Expand Up @@ -165,7 +164,7 @@ function getShortDatePattern (locale: string | undefined): string {
const localizedDayCode = dayStr.length == 1 ? "d" : "dd";
pattern = pattern.replace(dayStr, localizedDayCode);
}
return normalizeSpaces(pattern);
return pattern;
}

function getLongDatePattern (locale: string | undefined, date: Date): string {
Expand Down Expand Up @@ -196,7 +195,6 @@ function getLongDatePattern (locale: string | undefined, date: Date): string {
pattern = pattern.replace(replacedWeekday, "dddd");
pattern = pattern.replace("22", DAY_CODE);
const dayStr = date.toLocaleDateString(locale, { day: "numeric" }); // should we replace it for localized digits?
pattern = normalizeSpaces(pattern);
return pattern.replace(dayStr, DAY_CODE);
}

Expand Down
4 changes: 2 additions & 2 deletions src/mono/browser/runtime/hybrid-globalization/culture-info.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
import { VoidPtrNull } from "../types/internal";
import { runtimeHelpers } from "./module-exports";
import { Int32Ptr, VoidPtr } from "../types/emscripten";
import { OUTER_SEPARATOR, normalizeLocale, normalizeSpaces } from "./helpers";
import { OUTER_SEPARATOR, normalizeLocale } from "./helpers";

export function mono_wasm_get_culture_info (culture: number, cultureLength: number, dst: number, dstMaxLength: number, dstLength: Int32Ptr): VoidPtr {
try {
Expand Down Expand Up @@ -91,7 +91,7 @@ function getLongTimePattern (locale: string | undefined, designators: any): stri
hourPattern = hasPrefix ? "hh" : "h";
pattern = pattern.replace(hasPrefix ? hour12WithPrefix : localizedHour12, hourPattern);
}
return normalizeSpaces(pattern);
return pattern;
}

function getShortTimePattern (pattern: string): string {
Expand Down
9 changes: 0 additions & 9 deletions src/mono/browser/runtime/hybrid-globalization/helpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,6 @@ export function normalizeLocale (locale: string | null) {
}
}

export function normalizeSpaces (pattern: string) {
if (!pattern.includes("\u202F"))
return pattern;

// if U+202F present, replace them with spaces
return pattern.replace("\u202F", "\u0020");
}


export function isSurrogate (str: string, startIdx: number): boolean {
return SURROGATE_HIGHER_START <= str[startIdx] &&
str[startIdx] <= SURROGATE_HIGHER_END &&
Expand Down

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