зеркало из https://github.com/mozilla/gecko-dev.git
Added support for capitalization transform
This commit is contained in:
kipp%netscape.com
Родитель
d8e6fb4c34
Коммит
51d1e35d56
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@ -26,11 +26,21 @@
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// XXX put a copy in nsHTMLIIDs
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static NS_DEFINE_IID(kITextContentIID, NS_ITEXT_CONTENT_IID);
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// XXX temporary
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// XXX these need I18N spankage
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#define XP_IS_SPACE(_ch) \
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(((_ch) == ' ') || ((_ch) == '\t') || ((_ch) == '\n'))
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// XXX need more of this in nsIRenderingContext.GetWidth
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#define XP_IS_UPPERCASE(_ch) \
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(((_ch) >= 'A') && ((_ch) <= 'Z'))
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#define XP_IS_LOWERCASE(_ch) \
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(((_ch) >= 'a') && ((_ch) <= 'z'))
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#define XP_TO_LOWER(_ch) ((_ch) | 32)
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#define XP_TO_UPPER(_ch) ((_ch) & ~32)
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// XXX I'm sure there are other special characters
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#define CH_NBSP 160
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#define MAX_UNIBYTE 127
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@ -104,6 +114,7 @@ nsTextTransformer::Init(/*nsTextRun& aTextRun, XXX*/
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const nsStyleText* styleText;
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aFrame->GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&) styleText);
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mCompressWS = NS_STYLE_WHITESPACE_PRE != styleText->mWhiteSpace;
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mTextTransform = styleText->mTextTransform;
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return NS_OK;
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}
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@ -130,7 +141,8 @@ nsTextTransformer::GrowBuffer()
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}
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PRUnichar*
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nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
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nsTextTransformer::GetNextWord(PRBool aInWord,
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PRInt32& aWordLenResult,
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PRInt32& aContentLenResult,
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PRBool& aIsWhitespaceResult)
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{
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@ -167,21 +179,75 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
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*bp++ = ' ';
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}
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else {
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switch (mTextTransform) {
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case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
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if (XP_IS_UPPERCASE(firstChar)) {
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firstChar = XP_TO_LOWER(firstChar);
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}
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break;
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case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
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if (XP_IS_LOWERCASE(firstChar)) {
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firstChar = XP_TO_UPPER(firstChar);
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}
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break;
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}
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*bp++ = firstChar;
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}
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PRInt32 contentLen = 1;
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PRInt32 wordLen = 1;
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if (offset == frag->GetLength()) {
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mCurrentFrag = ++frag;
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offset = 0;
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}
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mCurrentFragOffset = offset;
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// XXX here is where we switch out to type specific handlers; this
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// code assumes mCompressWS is PR_TRUE
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// Transform the text using the transformation proc
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if (NS_STYLE_TEXT_TRANSFORM_NONE != mTextTransform) {
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ComplexTransform(isWhitespace, aWordLenResult, aContentLenResult);
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if (!aInWord && !isWhitespace &&
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(NS_STYLE_TEXT_TRANSFORM_CAPITALIZE == mTextTransform)) {
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PRInt32 n = aWordLenResult;
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PRUnichar* bp = mBuffer;
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for (; --n >= 0; bp++) {
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PRUnichar ch = *bp;
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if (' ' == ch) {
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// Skip over NBSP's that were mapped to space
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continue;
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}
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if (XP_IS_LOWERCASE(ch)) {
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*bp = XP_TO_UPPER(ch);
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}
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break;
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}
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}
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}
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else {
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if (isWhitespace && !mCompressWS) {
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aWordLenResult = 1;
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aContentLenResult = 1;
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}
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else {
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SimpleTransform(isWhitespace, aWordLenResult, aContentLenResult);
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}
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}
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aIsWhitespaceResult = isWhitespace;
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return mBuffer;
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}
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void
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nsTextTransformer::SimpleTransform(PRBool aIsWhitespace,
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PRInt32& aWordLenResult,
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PRInt32& aContentLenResult)
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{
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PRUnichar* bp = mBuffer + 1;
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PRUnichar* bufEnd = mBuffer + mBufferLength;
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const nsTextFragment* frag = mCurrentFrag;
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const nsTextFragment* lastFrag = frag + mNumFrags;
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PRInt32 offset = mCurrentFragOffset;
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// Now that we know what we are looking for, scan through the text
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// content and find the end of it.
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PRInt32 wordLen = 1;
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PRInt32 contentLen = 1;
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PRInt32 numChars;
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while (frag < lastFrag) {
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PRInt32 fragLen = frag->GetLength();
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@ -192,7 +258,7 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
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const PRUnichar* cp0 = frag->Get2b();
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const PRUnichar* end = cp0 + fragLen;
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const PRUnichar* cp = cp0 + offset;
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if (isWhitespace) {
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if (aIsWhitespace) {
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while (cp < end) {
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PRUnichar ch = *cp;
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if (XP_IS_SPACE(ch)) {
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@ -241,7 +307,7 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
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const unsigned char* cp0 = (const unsigned char*) frag->Get1b();
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const unsigned char* end = cp0 + fragLen;
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const unsigned char* cp = cp0 + offset;
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if (isWhitespace) {
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if (aIsWhitespace) {
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while (cp < end) {
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PRUnichar ch = PRUnichar(*cp);
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if (XP_IS_SPACE(ch)) {
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@ -299,8 +365,168 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
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NS_ASSERTION(mOffset <= mContentLength, "whoops");
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aWordLenResult = wordLen;
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aContentLenResult = contentLen;
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aIsWhitespaceResult = isWhitespace;
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return mBuffer;
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}
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void
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nsTextTransformer::ComplexTransform(PRBool aIsWhitespace,
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PRInt32& aWordLenResult,
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PRInt32& aContentLenResult)
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{
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PRUnichar* bp = mBuffer + 1;
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PRUnichar* bufEnd = mBuffer + mBufferLength;
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const nsTextFragment* frag = mCurrentFrag;
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const nsTextFragment* lastFrag = frag + mNumFrags;
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PRInt32 offset = mCurrentFragOffset;
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// Now that we know what we are looking for, scan through the text
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// content and find the end of it.
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PRInt32 wordLen = 1;
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PRInt32 contentLen = 1;
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PRInt32 numChars;
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while (frag < lastFrag) {
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PRInt32 fragLen = frag->GetLength();
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// Scan characters in this fragment that are the same kind as the
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// isWhitespace flag indicates.
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if (frag->Is2b()) {
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const PRUnichar* cp0 = frag->Get2b();
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const PRUnichar* end = cp0 + fragLen;
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const PRUnichar* cp = cp0 + offset;
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if (aIsWhitespace) {
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while (cp < end) {
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PRUnichar ch = *cp;
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if (XP_IS_SPACE(ch)) {
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cp++;
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continue;
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}
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numChars = (cp - offset) - cp0;
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contentLen += numChars;
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mCurrentFragOffset += numChars;
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goto done;
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}
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numChars = (cp - offset) - cp0;
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contentLen += numChars;
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}
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else {
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while (cp < end) {
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PRUnichar ch = *cp;
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if (!XP_IS_SPACE(ch)) {
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if (CH_NBSP == ch) ch = ' ';
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if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
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cp++;
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switch (mTextTransform) {
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case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
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if (XP_IS_UPPERCASE(ch)) {
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ch = XP_TO_LOWER(ch);
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}
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break;
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case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
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if (XP_IS_LOWERCASE(ch)) {
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ch = XP_TO_UPPER(ch);
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}
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break;
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}
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// Store character in buffer; grow buffer if we have to
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*bp++ = ch;
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if (bp == bufEnd) {
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PRInt32 delta = bp - mBuffer;
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if (!GrowBuffer()) {
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goto done;
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}
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bp = mBuffer + delta;
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bufEnd = mBuffer + mBufferLength;
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}
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continue;
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}
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numChars = (cp - offset) - cp0;
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wordLen += numChars;
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contentLen += numChars;
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mCurrentFragOffset += numChars;
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goto done;
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}
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numChars = (cp - offset) - cp0;
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wordLen += numChars;
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contentLen += numChars;
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}
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}
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else {
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const unsigned char* cp0 = (const unsigned char*) frag->Get1b();
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const unsigned char* end = cp0 + fragLen;
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const unsigned char* cp = cp0 + offset;
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if (aIsWhitespace) {
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while (cp < end) {
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PRUnichar ch = PRUnichar(*cp);
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if (XP_IS_SPACE(ch)) {
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cp++;
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continue;
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}
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numChars = (cp - offset) - cp0;
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contentLen += numChars;
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mCurrentFragOffset += numChars;
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goto done;
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}
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numChars = (cp - offset) - cp0;
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contentLen += numChars;
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}
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else {
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while (cp < end) {
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PRUnichar ch = PRUnichar(*cp);
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if (!XP_IS_SPACE(ch)) {
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if (CH_NBSP == ch) ch = ' ';
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if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
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cp++;
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switch (mTextTransform) {
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case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
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if (XP_IS_UPPERCASE(ch)) {
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ch = XP_TO_LOWER(ch);
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}
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break;
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case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
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if (XP_IS_LOWERCASE(ch)) {
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ch = XP_TO_UPPER(ch);
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}
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break;
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}
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// Store character in buffer; grow buffer if we have to
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*bp++ = ch;
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if (bp == bufEnd) {
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PRInt32 delta = bp - mBuffer;
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if (!GrowBuffer()) {
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goto done;
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}
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bp = mBuffer + delta;
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bufEnd = mBuffer + mBufferLength;
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}
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continue;
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}
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numChars = (cp - offset) - cp0;
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wordLen += numChars;
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contentLen += numChars;
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mCurrentFragOffset += numChars;
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goto done;
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}
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numChars = (cp - offset) - cp0;
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wordLen += numChars;
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contentLen += numChars;
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}
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}
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// Advance to next text fragment
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frag++;
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mCurrentFrag = frag;
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mCurrentFragOffset = 0;
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offset = 0;
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}
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done:;
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mOffset += contentLen;
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NS_ASSERTION(mOffset <= mContentLength, "whoops");
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aWordLenResult = wordLen;
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aContentLenResult = contentLen;
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}
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PRUnichar*
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@ -360,6 +586,28 @@ nsTextTransformer::GetNextSection(PRInt32& aLineLenResult,
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ch = ' ';
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}
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if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
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switch (mTextTransform) {
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case NS_STYLE_TEXT_TRANSFORM_CAPITALIZE:
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if (((bp == mBuffer) ||
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((bp > mBuffer) && (' ' == bp[-1]))) &&
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XP_IS_LOWERCASE(ch)) {
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ch = XP_TO_UPPER(ch);
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}
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break;
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case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
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if (XP_IS_UPPERCASE(ch)) {
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ch = XP_TO_LOWER(ch);
|
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}
|
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break;
|
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case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
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if (XP_IS_LOWERCASE(ch)) {
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ch = XP_TO_UPPER(ch);
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}
|
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break;
|
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}
|
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|
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*bp++ = ch;
|
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if (bp == bufEnd) {
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PRInt32 delta = bp - mBuffer;
|
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|
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@ -405,6 +653,28 @@ nsTextTransformer::GetNextSection(PRInt32& aLineLenResult,
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ch = ' ';
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}
|
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if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
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|
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switch (mTextTransform) {
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case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
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case NS_STYLE_TEXT_TRANSFORM_CAPITALIZE:
|
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if (((bp == mBuffer) ||
|
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((bp > mBuffer) && (' ' == bp[-1]))) &&
|
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XP_IS_LOWERCASE(ch)) {
|
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ch = XP_TO_UPPER(ch);
|
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}
|
||||
break;
|
||||
|
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if (XP_IS_UPPERCASE(ch)) {
|
||||
ch = XP_TO_LOWER(ch);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
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*bp++ = ch;
|
||||
if (bp == bufEnd) {
|
||||
PRInt32 delta = bp - mBuffer;
|
||||
|
|
|
|||
|
|
@ -59,7 +59,8 @@ public:
|
|||
return mContentLength;
|
||||
}
|
||||
|
||||
PRUnichar* GetNextWord(PRInt32& aWordLenResult,
|
||||
PRUnichar* GetNextWord(PRBool aInWord,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult,
|
||||
PRBool& aIsWhitespaceResult);
|
||||
|
||||
|
|
@ -73,6 +74,15 @@ public:
|
|||
PRUnichar* GetTextAt(PRInt32 aOffset);
|
||||
|
||||
protected:
|
||||
PRBool GrowBuffer();
|
||||
|
||||
void SimpleTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult);
|
||||
|
||||
void ComplexTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult);
|
||||
|
||||
PRUnichar* mAutoBuffer;
|
||||
PRInt32 mAutoBufferLength;
|
||||
|
|
@ -89,50 +99,8 @@ protected:
|
|||
const nsTextFragment* mCurrentFrag;
|
||||
PRInt32 mCurrentFragOffset;
|
||||
|
||||
// XXX temporary
|
||||
PRBool mCompressWS;
|
||||
|
||||
PRBool GrowBuffer();
|
||||
|
||||
#if 0
|
||||
// For each piece of content in the text-run we keep track of this
|
||||
// state.
|
||||
struct Text {
|
||||
nsIContent* mContent;
|
||||
nsTransformedTextFragment* mFrags;
|
||||
PRInt32 mNumFrags;
|
||||
Text* mNext;
|
||||
};
|
||||
|
||||
Text* mTextList;
|
||||
|
||||
void ReleaseResources();
|
||||
#endif
|
||||
|
||||
// A little state object used to do bookeeping between the low level
|
||||
// transform calls.
|
||||
struct TransformerState {
|
||||
PRBool mSkipLeadingWS;
|
||||
PRInt32 mContentOffset;
|
||||
};
|
||||
|
||||
nsresult Transform2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult Transform1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWS2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWS1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWSAndTransform2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWSAndTransform1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
PRUint8 mTextTransform;
|
||||
};
|
||||
|
||||
#endif /* nsTextTransformer_h___ */
|
||||
|
|
|
|||
|
|
@ -26,11 +26,21 @@
|
|||
// XXX put a copy in nsHTMLIIDs
|
||||
static NS_DEFINE_IID(kITextContentIID, NS_ITEXT_CONTENT_IID);
|
||||
|
||||
// XXX temporary
|
||||
// XXX these need I18N spankage
|
||||
#define XP_IS_SPACE(_ch) \
|
||||
(((_ch) == ' ') || ((_ch) == '\t') || ((_ch) == '\n'))
|
||||
|
||||
// XXX need more of this in nsIRenderingContext.GetWidth
|
||||
#define XP_IS_UPPERCASE(_ch) \
|
||||
(((_ch) >= 'A') && ((_ch) <= 'Z'))
|
||||
|
||||
#define XP_IS_LOWERCASE(_ch) \
|
||||
(((_ch) >= 'a') && ((_ch) <= 'z'))
|
||||
|
||||
#define XP_TO_LOWER(_ch) ((_ch) | 32)
|
||||
|
||||
#define XP_TO_UPPER(_ch) ((_ch) & ~32)
|
||||
|
||||
// XXX I'm sure there are other special characters
|
||||
#define CH_NBSP 160
|
||||
|
||||
#define MAX_UNIBYTE 127
|
||||
|
|
@ -104,6 +114,7 @@ nsTextTransformer::Init(/*nsTextRun& aTextRun, XXX*/
|
|||
const nsStyleText* styleText;
|
||||
aFrame->GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&) styleText);
|
||||
mCompressWS = NS_STYLE_WHITESPACE_PRE != styleText->mWhiteSpace;
|
||||
mTextTransform = styleText->mTextTransform;
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
|
@ -130,7 +141,8 @@ nsTextTransformer::GrowBuffer()
|
|||
}
|
||||
|
||||
PRUnichar*
|
||||
nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
|
||||
nsTextTransformer::GetNextWord(PRBool aInWord,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult,
|
||||
PRBool& aIsWhitespaceResult)
|
||||
{
|
||||
|
|
@ -167,21 +179,75 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
|
|||
*bp++ = ' ';
|
||||
}
|
||||
else {
|
||||
switch (mTextTransform) {
|
||||
case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
||||
if (XP_IS_UPPERCASE(firstChar)) {
|
||||
firstChar = XP_TO_LOWER(firstChar);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(firstChar)) {
|
||||
firstChar = XP_TO_UPPER(firstChar);
|
||||
}
|
||||
break;
|
||||
}
|
||||
*bp++ = firstChar;
|
||||
}
|
||||
PRInt32 contentLen = 1;
|
||||
PRInt32 wordLen = 1;
|
||||
if (offset == frag->GetLength()) {
|
||||
mCurrentFrag = ++frag;
|
||||
offset = 0;
|
||||
}
|
||||
mCurrentFragOffset = offset;
|
||||
|
||||
// XXX here is where we switch out to type specific handlers; this
|
||||
// code assumes mCompressWS is PR_TRUE
|
||||
// Transform the text using the transformation proc
|
||||
if (NS_STYLE_TEXT_TRANSFORM_NONE != mTextTransform) {
|
||||
ComplexTransform(isWhitespace, aWordLenResult, aContentLenResult);
|
||||
if (!aInWord && !isWhitespace &&
|
||||
(NS_STYLE_TEXT_TRANSFORM_CAPITALIZE == mTextTransform)) {
|
||||
PRInt32 n = aWordLenResult;
|
||||
PRUnichar* bp = mBuffer;
|
||||
for (; --n >= 0; bp++) {
|
||||
PRUnichar ch = *bp;
|
||||
if (' ' == ch) {
|
||||
// Skip over NBSP's that were mapped to space
|
||||
continue;
|
||||
}
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
*bp = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (isWhitespace && !mCompressWS) {
|
||||
aWordLenResult = 1;
|
||||
aContentLenResult = 1;
|
||||
}
|
||||
else {
|
||||
SimpleTransform(isWhitespace, aWordLenResult, aContentLenResult);
|
||||
}
|
||||
}
|
||||
|
||||
aIsWhitespaceResult = isWhitespace;
|
||||
return mBuffer;
|
||||
}
|
||||
|
||||
void
|
||||
nsTextTransformer::SimpleTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult)
|
||||
{
|
||||
PRUnichar* bp = mBuffer + 1;
|
||||
PRUnichar* bufEnd = mBuffer + mBufferLength;
|
||||
const nsTextFragment* frag = mCurrentFrag;
|
||||
const nsTextFragment* lastFrag = frag + mNumFrags;
|
||||
PRInt32 offset = mCurrentFragOffset;
|
||||
|
||||
// Now that we know what we are looking for, scan through the text
|
||||
// content and find the end of it.
|
||||
PRInt32 wordLen = 1;
|
||||
PRInt32 contentLen = 1;
|
||||
PRInt32 numChars;
|
||||
while (frag < lastFrag) {
|
||||
PRInt32 fragLen = frag->GetLength();
|
||||
|
|
@ -192,7 +258,7 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
|
|||
const PRUnichar* cp0 = frag->Get2b();
|
||||
const PRUnichar* end = cp0 + fragLen;
|
||||
const PRUnichar* cp = cp0 + offset;
|
||||
if (isWhitespace) {
|
||||
if (aIsWhitespace) {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = *cp;
|
||||
if (XP_IS_SPACE(ch)) {
|
||||
|
|
@ -241,7 +307,7 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
|
|||
const unsigned char* cp0 = (const unsigned char*) frag->Get1b();
|
||||
const unsigned char* end = cp0 + fragLen;
|
||||
const unsigned char* cp = cp0 + offset;
|
||||
if (isWhitespace) {
|
||||
if (aIsWhitespace) {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = PRUnichar(*cp);
|
||||
if (XP_IS_SPACE(ch)) {
|
||||
|
|
@ -299,8 +365,168 @@ nsTextTransformer::GetNextWord(PRInt32& aWordLenResult,
|
|||
NS_ASSERTION(mOffset <= mContentLength, "whoops");
|
||||
aWordLenResult = wordLen;
|
||||
aContentLenResult = contentLen;
|
||||
aIsWhitespaceResult = isWhitespace;
|
||||
return mBuffer;
|
||||
}
|
||||
|
||||
void
|
||||
nsTextTransformer::ComplexTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult)
|
||||
{
|
||||
PRUnichar* bp = mBuffer + 1;
|
||||
PRUnichar* bufEnd = mBuffer + mBufferLength;
|
||||
const nsTextFragment* frag = mCurrentFrag;
|
||||
const nsTextFragment* lastFrag = frag + mNumFrags;
|
||||
PRInt32 offset = mCurrentFragOffset;
|
||||
|
||||
// Now that we know what we are looking for, scan through the text
|
||||
// content and find the end of it.
|
||||
PRInt32 wordLen = 1;
|
||||
PRInt32 contentLen = 1;
|
||||
PRInt32 numChars;
|
||||
while (frag < lastFrag) {
|
||||
PRInt32 fragLen = frag->GetLength();
|
||||
|
||||
// Scan characters in this fragment that are the same kind as the
|
||||
// isWhitespace flag indicates.
|
||||
if (frag->Is2b()) {
|
||||
const PRUnichar* cp0 = frag->Get2b();
|
||||
const PRUnichar* end = cp0 + fragLen;
|
||||
const PRUnichar* cp = cp0 + offset;
|
||||
if (aIsWhitespace) {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = *cp;
|
||||
if (XP_IS_SPACE(ch)) {
|
||||
cp++;
|
||||
continue;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
contentLen += numChars;
|
||||
mCurrentFragOffset += numChars;
|
||||
goto done;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
contentLen += numChars;
|
||||
}
|
||||
else {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = *cp;
|
||||
if (!XP_IS_SPACE(ch)) {
|
||||
if (CH_NBSP == ch) ch = ' ';
|
||||
if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
|
||||
cp++;
|
||||
|
||||
switch (mTextTransform) {
|
||||
case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
||||
if (XP_IS_UPPERCASE(ch)) {
|
||||
ch = XP_TO_LOWER(ch);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// Store character in buffer; grow buffer if we have to
|
||||
*bp++ = ch;
|
||||
if (bp == bufEnd) {
|
||||
PRInt32 delta = bp - mBuffer;
|
||||
if (!GrowBuffer()) {
|
||||
goto done;
|
||||
}
|
||||
bp = mBuffer + delta;
|
||||
bufEnd = mBuffer + mBufferLength;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
wordLen += numChars;
|
||||
contentLen += numChars;
|
||||
mCurrentFragOffset += numChars;
|
||||
goto done;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
wordLen += numChars;
|
||||
contentLen += numChars;
|
||||
}
|
||||
}
|
||||
else {
|
||||
const unsigned char* cp0 = (const unsigned char*) frag->Get1b();
|
||||
const unsigned char* end = cp0 + fragLen;
|
||||
const unsigned char* cp = cp0 + offset;
|
||||
if (aIsWhitespace) {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = PRUnichar(*cp);
|
||||
if (XP_IS_SPACE(ch)) {
|
||||
cp++;
|
||||
continue;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
contentLen += numChars;
|
||||
mCurrentFragOffset += numChars;
|
||||
goto done;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
contentLen += numChars;
|
||||
}
|
||||
else {
|
||||
while (cp < end) {
|
||||
PRUnichar ch = PRUnichar(*cp);
|
||||
if (!XP_IS_SPACE(ch)) {
|
||||
if (CH_NBSP == ch) ch = ' ';
|
||||
if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
|
||||
cp++;
|
||||
|
||||
switch (mTextTransform) {
|
||||
case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
||||
if (XP_IS_UPPERCASE(ch)) {
|
||||
ch = XP_TO_LOWER(ch);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// Store character in buffer; grow buffer if we have to
|
||||
*bp++ = ch;
|
||||
if (bp == bufEnd) {
|
||||
PRInt32 delta = bp - mBuffer;
|
||||
if (!GrowBuffer()) {
|
||||
goto done;
|
||||
}
|
||||
bp = mBuffer + delta;
|
||||
bufEnd = mBuffer + mBufferLength;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
wordLen += numChars;
|
||||
contentLen += numChars;
|
||||
mCurrentFragOffset += numChars;
|
||||
goto done;
|
||||
}
|
||||
numChars = (cp - offset) - cp0;
|
||||
wordLen += numChars;
|
||||
contentLen += numChars;
|
||||
}
|
||||
}
|
||||
|
||||
// Advance to next text fragment
|
||||
frag++;
|
||||
mCurrentFrag = frag;
|
||||
mCurrentFragOffset = 0;
|
||||
offset = 0;
|
||||
}
|
||||
|
||||
done:;
|
||||
mOffset += contentLen;
|
||||
NS_ASSERTION(mOffset <= mContentLength, "whoops");
|
||||
aWordLenResult = wordLen;
|
||||
aContentLenResult = contentLen;
|
||||
}
|
||||
|
||||
PRUnichar*
|
||||
|
|
@ -360,6 +586,28 @@ nsTextTransformer::GetNextSection(PRInt32& aLineLenResult,
|
|||
ch = ' ';
|
||||
}
|
||||
if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
|
||||
|
||||
switch (mTextTransform) {
|
||||
case NS_STYLE_TEXT_TRANSFORM_CAPITALIZE:
|
||||
if (((bp == mBuffer) ||
|
||||
((bp > mBuffer) && (' ' == bp[-1]))) &&
|
||||
XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
|
||||
case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
||||
if (XP_IS_UPPERCASE(ch)) {
|
||||
ch = XP_TO_LOWER(ch);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
*bp++ = ch;
|
||||
if (bp == bufEnd) {
|
||||
PRInt32 delta = bp - mBuffer;
|
||||
|
|
@ -405,6 +653,28 @@ nsTextTransformer::GetNextSection(PRInt32& aLineLenResult,
|
|||
ch = ' ';
|
||||
}
|
||||
if (ch > MAX_UNIBYTE) mHasMultibyte = PR_TRUE;
|
||||
|
||||
switch (mTextTransform) {
|
||||
case NS_STYLE_TEXT_TRANSFORM_LOWERCASE:
|
||||
case NS_STYLE_TEXT_TRANSFORM_CAPITALIZE:
|
||||
if (((bp == mBuffer) ||
|
||||
((bp > mBuffer) && (' ' == bp[-1]))) &&
|
||||
XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
|
||||
if (XP_IS_UPPERCASE(ch)) {
|
||||
ch = XP_TO_LOWER(ch);
|
||||
}
|
||||
break;
|
||||
case NS_STYLE_TEXT_TRANSFORM_UPPERCASE:
|
||||
if (XP_IS_LOWERCASE(ch)) {
|
||||
ch = XP_TO_UPPER(ch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
*bp++ = ch;
|
||||
if (bp == bufEnd) {
|
||||
PRInt32 delta = bp - mBuffer;
|
||||
|
|
|
|||
|
|
@ -59,7 +59,8 @@ public:
|
|||
return mContentLength;
|
||||
}
|
||||
|
||||
PRUnichar* GetNextWord(PRInt32& aWordLenResult,
|
||||
PRUnichar* GetNextWord(PRBool aInWord,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult,
|
||||
PRBool& aIsWhitespaceResult);
|
||||
|
||||
|
|
@ -73,6 +74,15 @@ public:
|
|||
PRUnichar* GetTextAt(PRInt32 aOffset);
|
||||
|
||||
protected:
|
||||
PRBool GrowBuffer();
|
||||
|
||||
void SimpleTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult);
|
||||
|
||||
void ComplexTransform(PRBool aIsWhitespace,
|
||||
PRInt32& aWordLenResult,
|
||||
PRInt32& aContentLenResult);
|
||||
|
||||
PRUnichar* mAutoBuffer;
|
||||
PRInt32 mAutoBufferLength;
|
||||
|
|
@ -89,50 +99,8 @@ protected:
|
|||
const nsTextFragment* mCurrentFrag;
|
||||
PRInt32 mCurrentFragOffset;
|
||||
|
||||
// XXX temporary
|
||||
PRBool mCompressWS;
|
||||
|
||||
PRBool GrowBuffer();
|
||||
|
||||
#if 0
|
||||
// For each piece of content in the text-run we keep track of this
|
||||
// state.
|
||||
struct Text {
|
||||
nsIContent* mContent;
|
||||
nsTransformedTextFragment* mFrags;
|
||||
PRInt32 mNumFrags;
|
||||
Text* mNext;
|
||||
};
|
||||
|
||||
Text* mTextList;
|
||||
|
||||
void ReleaseResources();
|
||||
#endif
|
||||
|
||||
// A little state object used to do bookeeping between the low level
|
||||
// transform calls.
|
||||
struct TransformerState {
|
||||
PRBool mSkipLeadingWS;
|
||||
PRInt32 mContentOffset;
|
||||
};
|
||||
|
||||
nsresult Transform2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult Transform1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWS2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWS1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWSAndTransform2b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
|
||||
nsresult CompressWSAndTransform1b(TransformerState& aState,
|
||||
const nsTextFragment& frag);
|
||||
PRUint8 mTextTransform;
|
||||
};
|
||||
|
||||
#endif /* nsTextTransformer_h___ */
|
||||
|
|
|
|||
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