зеркало из https://github.com/mozilla/gecko-dev.git
419 строки
13 KiB
C++
419 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "IMEData.h"
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#include <sstream>
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#include "ContentData.h"
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#include "gfxFontUtils.h"
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#include "TextEvents.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/ToString.h"
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#include "mozilla/WritingModes.h"
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#include "nsPrintfCString.h"
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#include "nsString.h"
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namespace mozilla {
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template PrintStringDetail::PrintStringDetail(
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const Maybe<nsString>& aMaybeString, uint32_t aMaxLength);
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template <typename StringType>
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PrintStringDetail::PrintStringDetail(const Maybe<StringType>& aMaybeString,
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uint32_t aMaxLength /* = UINT32_MAX */)
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: PrintStringDetail(aMaybeString.refOr(EmptyString()), aMaxLength) {
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if (aMaybeString.isNothing()) {
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AssignASCII(ToString(aMaybeString).c_str());
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}
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}
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PrintStringDetail::PrintStringDetail(const nsAString& aString,
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uint32_t aMaxLength /* = UINT32_MAX */) {
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Assign("\"");
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const uint32_t kFirstHalf =
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aString.Length() <= aMaxLength ? UINT32_MAX : (aMaxLength + 1) / 2;
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const uint32_t kSecondHalf =
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aString.Length() <= aMaxLength ? 0 : aMaxLength / 2;
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for (uint32_t i = 0; i < aString.Length(); i++) {
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if (i > 0) {
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AppendLiteral(" ");
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}
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char32_t ch = aString.CharAt(i);
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if (NS_IS_HIGH_SURROGATE(ch) && i + 1 < aString.Length() &&
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NS_IS_LOW_SURROGATE(aString.CharAt(i + 1))) {
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ch = SURROGATE_TO_UCS4(ch, aString.CharAt(i + 1));
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}
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Append(PrintCharData(ch));
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if (i + 1 == kFirstHalf) {
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AppendLiteral(" ...");
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i = aString.Length() - kSecondHalf - 1;
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if (NS_IS_LOW_SURROGATE(aString.CharAt(i)) &&
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NS_IS_HIGH_SURROGATE(aString.CharAt(i - 1))) {
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if (i - 1 <= kFirstHalf) {
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i++;
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} else {
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i--;
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}
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}
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} else if (!IS_IN_BMP(ch)) {
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i++;
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}
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}
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AppendLiteral("\" (Length()=");
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AppendInt(static_cast<uint32_t>(aString.Length()));
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AppendLiteral(")");
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}
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// static
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nsCString PrintStringDetail::PrintCharData(char32_t aChar) {
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switch (aChar) {
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case 0x0000:
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return "NULL (0x0000)"_ns;
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case 0x0008:
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return "BACKSPACE (0x0008)"_ns;
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case 0x0009:
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return "CHARACTER TABULATION (0x0009)"_ns;
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case 0x000A:
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return "LINE FEED (0x000A)"_ns;
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case 0x000B:
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return "LINE TABULATION (0x000B)"_ns;
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case 0x000C:
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return "FORM FEED (0x000C)"_ns;
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case 0x000D:
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return "CARRIAGE RETURN (0x000D)"_ns;
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case 0x0018:
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return "CANCEL (0x0018)"_ns;
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case 0x001B:
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return "ESCAPE (0x001B)"_ns;
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case 0x0020:
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return "SPACE (0x0020)"_ns;
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case 0x007F:
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return "DELETE (0x007F)"_ns;
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case 0x00A0:
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return "NO-BREAK SPACE (0x00A0)"_ns;
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case 0x00AD:
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return "SOFT HYPHEN (0x00AD)"_ns;
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case 0x2000:
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return "EN QUAD (0x2000)"_ns;
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case 0x2001:
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return "EM QUAD (0x2001)"_ns;
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case 0x2002:
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return "EN SPACE (0x2002)"_ns;
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case 0x2003:
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return "EM SPACE (0x2003)"_ns;
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case 0x2004:
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return "THREE-PER-EM SPACE (0x2004)"_ns;
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case 0x2005:
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return "FOUR-PER-EM SPACE (0x2005)"_ns;
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case 0x2006:
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return "SIX-PER-EM SPACE (0x2006)"_ns;
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case 0x2007:
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return "FIGURE SPACE (0x2007)"_ns;
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case 0x2008:
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return "PUNCTUATION SPACE (0x2008)"_ns;
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case 0x2009:
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return "THIN SPACE (0x2009)"_ns;
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case 0x200A:
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return "HAIR SPACE (0x200A)"_ns;
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case 0x200B:
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return "ZERO WIDTH SPACE (0x200B)"_ns;
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case 0x200C:
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return "ZERO WIDTH NON-JOINER (0x200C)"_ns;
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case 0x200D:
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return "ZERO WIDTH JOINER (0x200D)"_ns;
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case 0x200E:
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return "LEFT-TO-RIGHT MARK (0x200E)"_ns;
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case 0x200F:
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return "RIGHT-TO-LEFT MARK (0x200F)"_ns;
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case 0x2029:
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return "PARAGRAPH SEPARATOR (0x2029)"_ns;
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case 0x202A:
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return "LEFT-TO-RIGHT EMBEDDING (0x202A)"_ns;
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case 0x202B:
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return "RIGHT-TO-LEFT EMBEDDING (0x202B)"_ns;
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case 0x202D:
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return "LEFT-TO-RIGHT OVERRIDE (0x202D)"_ns;
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case 0x202E:
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return "RIGHT-TO-LEFT OVERRIDE (0x202E)"_ns;
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case 0x202F:
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return "NARROW NO-BREAK SPACE (0x202F)"_ns;
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case 0x205F:
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return "MEDIUM MATHEMATICAL SPACE (0x205F)"_ns;
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case 0x2060:
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return "WORD JOINER (0x2060)"_ns;
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case 0x2066:
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return "LEFT-TO-RIGHT ISOLATE (0x2066)"_ns;
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case 0x2067:
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return "RIGHT-TO-LEFT ISOLATE (0x2067)"_ns;
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case 0x3000:
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return "IDEOGRAPHIC SPACE (0x3000)"_ns;
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case 0xFEFF:
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return "ZERO WIDTH NO-BREAK SPACE (0xFEFF)"_ns;
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default: {
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if (aChar < ' ' || (aChar >= 0x80 && aChar < 0xA0)) {
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return nsPrintfCString("Control (0x%04X)", aChar);
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}
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if (NS_IS_HIGH_SURROGATE(aChar)) {
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return nsPrintfCString("High Surrogate (0x%04X)", aChar);
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}
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if (NS_IS_LOW_SURROGATE(aChar)) {
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return nsPrintfCString("Low Surrogate (0x%04X)", aChar);
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}
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if (gfxFontUtils::IsVarSelector(aChar)) {
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return IS_IN_BMP(aChar)
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? nsPrintfCString("Variant Selector (0x%04X)", aChar)
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: nsPrintfCString("Variant Selector (0x%08X)", aChar);
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}
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nsAutoString utf16Str;
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AppendUCS4ToUTF16(aChar, utf16Str);
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return IS_IN_BMP(aChar)
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? nsPrintfCString("'%s' (0x%04X)",
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NS_ConvertUTF16toUTF8(utf16Str).get(), aChar)
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: nsPrintfCString("'%s' (0x%08X)",
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NS_ConvertUTF16toUTF8(utf16Str).get(),
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aChar);
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}
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}
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}
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namespace widget {
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std::ostream& operator<<(std::ostream& aStream, const IMEEnabled& aEnabled) {
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switch (aEnabled) {
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case IMEEnabled::Disabled:
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return aStream << "DISABLED";
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case IMEEnabled::Enabled:
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return aStream << "ENABLED";
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case IMEEnabled::Password:
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return aStream << "PASSWORD";
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case IMEEnabled::Unknown:
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return aStream << "illegal value";
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}
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MOZ_ASSERT_UNREACHABLE("Add a case to handle your new IMEEnabled value");
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream, const IMEState::Open& aOpen) {
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switch (aOpen) {
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case IMEState::DONT_CHANGE_OPEN_STATE:
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aStream << "DONT_CHANGE_OPEN_STATE";
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break;
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case IMEState::OPEN:
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aStream << "OPEN";
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break;
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case IMEState::CLOSED:
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aStream << "CLOSED";
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break;
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default:
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aStream << "illegal value";
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break;
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}
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream, const IMEState& aState) {
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aStream << "{ mEnabled=" << aState.mEnabled << ", mOpen=" << aState.mOpen
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<< " }";
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream,
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const InputContext::Origin& aOrigin) {
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switch (aOrigin) {
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case InputContext::ORIGIN_MAIN:
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aStream << "ORIGIN_MAIN";
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break;
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case InputContext::ORIGIN_CONTENT:
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aStream << "ORIGIN_CONTENT";
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break;
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default:
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aStream << "illegal value";
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break;
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}
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream, const InputContext& aContext) {
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aStream << "{ mIMEState=" << aContext.mIMEState
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<< ", mOrigin=" << aContext.mOrigin << ", mHTMLInputType=\""
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<< aContext.mHTMLInputType << "\", mHTMLInputMode=\""
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<< aContext.mHTMLInputMode << "\", mActionHint=\""
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<< aContext.mActionHint << "\", mAutocapitalize=\""
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<< aContext.mAutocapitalize << "\", mIsPrivateBrowsing="
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<< (aContext.mInPrivateBrowsing ? "true" : "false") << " }";
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream,
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const InputContextAction::Cause& aCause) {
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switch (aCause) {
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case InputContextAction::CAUSE_UNKNOWN:
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aStream << "CAUSE_UNKNOWN";
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break;
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case InputContextAction::CAUSE_UNKNOWN_CHROME:
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aStream << "CAUSE_UNKNOWN_CHROME";
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break;
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case InputContextAction::CAUSE_KEY:
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aStream << "CAUSE_KEY";
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break;
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case InputContextAction::CAUSE_MOUSE:
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aStream << "CAUSE_MOUSE";
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break;
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case InputContextAction::CAUSE_TOUCH:
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aStream << "CAUSE_TOUCH";
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break;
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case InputContextAction::CAUSE_LONGPRESS:
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aStream << "CAUSE_LONGPRESS";
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break;
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case InputContextAction::CAUSE_UNKNOWN_DURING_NON_KEYBOARD_INPUT:
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aStream << "CAUSE_UNKNOWN_DURING_NON_KEYBOARD_INPUT";
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break;
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case InputContextAction::CAUSE_UNKNOWN_DURING_KEYBOARD_INPUT:
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aStream << "CAUSE_UNKNOWN_DURING_KEYBOARD_INPUT";
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break;
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default:
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aStream << "illegal value";
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break;
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}
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream,
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const InputContextAction::FocusChange& aFocusChange) {
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switch (aFocusChange) {
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case InputContextAction::FOCUS_NOT_CHANGED:
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aStream << "FOCUS_NOT_CHANGED";
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break;
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case InputContextAction::GOT_FOCUS:
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aStream << "GOT_FOCUS";
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break;
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case InputContextAction::LOST_FOCUS:
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aStream << "LOST_FOCUS";
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break;
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case InputContextAction::MENU_GOT_PSEUDO_FOCUS:
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aStream << "MENU_GOT_PSEUDO_FOCUS";
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break;
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case InputContextAction::MENU_LOST_PSEUDO_FOCUS:
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aStream << "MENU_LOST_PSEUDO_FOCUS";
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break;
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case InputContextAction::WIDGET_CREATED:
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aStream << "WIDGET_CREATED";
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break;
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default:
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aStream << "illegal value";
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break;
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}
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return aStream;
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}
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std::ostream& operator<<(
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std::ostream& aStream,
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const IMENotification::SelectionChangeDataBase& aData) {
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if (!aData.IsInitialized()) {
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aStream << "{ IsInitialized()=false }";
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return aStream;
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}
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if (!aData.HasRange()) {
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aStream << "{ HasRange()=false }";
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return aStream;
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}
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aStream << "{ mOffset=" << aData.mOffset;
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if (aData.mString->Length() > 20) {
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aStream << ", mString.Length()=" << aData.mString->Length();
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} else {
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aStream << ", mString=\"" << NS_ConvertUTF16toUTF8(*aData.mString)
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<< "\" (Length()=" << aData.mString->Length() << ")";
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}
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aStream << ", GetWritingMode()=" << aData.GetWritingMode()
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<< ", mReversed=" << (aData.mReversed ? "true" : "false")
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<< ", mCausedByComposition="
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<< (aData.mCausedByComposition ? "true" : "false")
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<< ", mCausedBySelectionEvent="
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<< (aData.mCausedBySelectionEvent ? "true" : "false")
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<< ", mOccurredDuringComposition="
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<< (aData.mOccurredDuringComposition ? "true" : "false") << " }";
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return aStream;
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}
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std::ostream& operator<<(std::ostream& aStream,
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const IMENotification::TextChangeDataBase& aData) {
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if (!aData.IsValid()) {
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aStream << "{ IsValid()=false }";
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return aStream;
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}
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aStream << "{ mStartOffset=" << aData.mStartOffset
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<< ", mRemoveEndOffset=" << aData.mRemovedEndOffset
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<< ", mAddedEndOffset=" << aData.mAddedEndOffset
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<< ", mCausedOnlyByComposition="
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<< (aData.mCausedOnlyByComposition ? "true" : "false")
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<< ", mIncludingChangesDuringComposition="
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<< (aData.mIncludingChangesDuringComposition ? "true" : "false")
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<< ", mIncludingChangesWithoutComposition="
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<< (aData.mIncludingChangesWithoutComposition ? "true" : "false")
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<< " }";
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return aStream;
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}
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/******************************************************************************
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* IMENotification::SelectionChangeDataBase
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******************************************************************************/
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void IMENotification::SelectionChangeDataBase::Assign(
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const WidgetQueryContentEvent& aQuerySelectedTextEvent) {
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MOZ_ASSERT(aQuerySelectedTextEvent.mMessage == eQuerySelectedText);
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MOZ_ASSERT(aQuerySelectedTextEvent.Succeeded());
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if (!(mIsInitialized = aQuerySelectedTextEvent.Succeeded())) {
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ClearSelectionData();
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return;
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}
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if ((mHasRange = aQuerySelectedTextEvent.FoundSelection())) {
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mOffset = aQuerySelectedTextEvent.mReply->StartOffset();
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*mString = aQuerySelectedTextEvent.mReply->DataRef();
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mReversed = aQuerySelectedTextEvent.mReply->mReversed;
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SetWritingMode(aQuerySelectedTextEvent.mReply->WritingModeRef());
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} else {
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mOffset = UINT32_MAX;
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mString->Truncate();
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mReversed = false;
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// Let's keep the writing mode for avoiding temporarily changing the
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// writing mode at no selection range.
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}
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}
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void IMENotification::SelectionChangeDataBase::SetWritingMode(
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const WritingMode& aWritingMode) {
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mWritingModeBits = aWritingMode.GetBits();
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}
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WritingMode IMENotification::SelectionChangeDataBase::GetWritingMode() const {
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return WritingMode(mWritingModeBits);
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}
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bool IMENotification::SelectionChangeDataBase::EqualsRange(
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const ContentSelection& aContentSelection) const {
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if (aContentSelection.HasRange() != HasRange()) {
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return false;
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}
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if (!HasRange()) {
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return true;
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}
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return mOffset == aContentSelection.OffsetAndDataRef().StartOffset() &&
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*mString == aContentSelection.OffsetAndDataRef().DataRef();
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}
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bool IMENotification::SelectionChangeDataBase::EqualsRangeAndWritingMode(
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const ContentSelection& aContentSelection) const {
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return EqualsRange(aContentSelection) &&
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mWritingModeBits == aContentSelection.WritingModeRef().GetBits();
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}
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} // namespace widget
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} // namespace mozilla
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