wxArrayString
wxGridCellAutoWrapStringRenderer::GetTextLines(wxGrid& grid,
wxDC& dc,
const wxGridCellAttr& attr,
const wxRect& rect,
int row, int col)
{
dc.SetFont(attr.GetFont());
const wxCoord maxWidth = rect.GetWidth();
// Transform logical lines into physical ones, wrapping the longer ones.
const wxArrayString
logicalLines = wxSplit(grid.GetCellValue(row, col), '\n', '\0');
wxArrayString physicalLines;
for ( wxArrayString::const_iterator it = logicalLines.begin();
it != logicalLines.end();
++it )
{
const wxString& line = *it;
if ( dc.GetTextExtent(line).x > maxWidth )
{
// Line does not fit, break it up.
BreakLine(dc, line, maxWidth, physicalLines);
}
else // The entire line fits as is
{
physicalLines.push_back(line);
}
}
return physicalLines;
}
nsresult
InternetCiter::Rewrap(const nsAString& aInString,
uint32_t aWrapCol,
uint32_t aFirstLineOffset,
bool aRespectNewlines,
nsAString& aOutString)
{
// There shouldn't be returns in this string, only dom newlines.
// Check to make sure:
#ifdef DEBUG
int32_t cr = aInString.FindChar(char16_t('\r'));
NS_ASSERTION((cr < 0), "Rewrap: CR in string gotten from DOM!\n");
#endif /* DEBUG */
aOutString.Truncate();
nsresult rv;
RefPtr<mozilla::intl::LineBreaker> lineBreaker =
mozilla::intl::LineBreaker::Create();
MOZ_ASSERT(lineBreaker);
// Loop over lines in the input string, rewrapping each one.
uint32_t length;
uint32_t posInString = 0;
uint32_t outStringCol = 0;
uint32_t citeLevel = 0;
const nsPromiseFlatString &tString = PromiseFlatString(aInString);
length = tString.Length();
while (posInString < length) {
// Get the new cite level here since we're at the beginning of a line
uint32_t newCiteLevel = 0;
while (posInString < length && tString[posInString] == gt) {
++newCiteLevel;
++posInString;
while (posInString < length && tString[posInString] == space) {
++posInString;
}
}
if (posInString >= length) {
break;
}
// Special case: if this is a blank line, maintain a blank line
// (retain the original paragraph breaks)
if (tString[posInString] == nl && !aOutString.IsEmpty()) {
if (aOutString.Last() != nl) {
aOutString.Append(nl);
}
AddCite(aOutString, newCiteLevel);
aOutString.Append(nl);
++posInString;
outStringCol = 0;
continue;
}
// If the cite level has changed, then start a new line with the
// new cite level (but if we're at the beginning of the string,
// don't bother).
if (newCiteLevel != citeLevel && posInString > newCiteLevel+1 &&
outStringCol) {
BreakLine(aOutString, outStringCol, 0);
}
citeLevel = newCiteLevel;
// Prepend the quote level to the out string if appropriate
if (!outStringCol) {
AddCite(aOutString, citeLevel);
outStringCol = citeLevel + (citeLevel ? 1 : 0);
}
// If it's not a cite, and we're not at the beginning of a line in
// the output string, add a space to separate new text from the
// previous text.
else if (outStringCol > citeLevel) {
aOutString.Append(space);
++outStringCol;
}
// find the next newline -- don't want to go farther than that
int32_t nextNewline = tString.FindChar(nl, posInString);
if (nextNewline < 0) {
nextNewline = length;
}
// For now, don't wrap unquoted lines at all.
// This is because the plaintext edit window has already wrapped them
// by the time we get them for rewrap, yet when we call the line
// breaker, it will refuse to break backwards, and we'll end up
// with a line that's too long and gets displayed as a lone word
// on a line by itself. Need special logic to detect this case
// and break it ourselves without resorting to the line breaker.
if (!citeLevel) {
aOutString.Append(Substring(tString, posInString,
nextNewline-posInString));
outStringCol += nextNewline - posInString;
if (nextNewline != (int32_t)length) {
aOutString.Append(nl);
outStringCol = 0;
}
posInString = nextNewline+1;
continue;
}
// Otherwise we have to use the line breaker and loop
// over this line of the input string to get all of it:
while ((int32_t)posInString < nextNewline) {
// Skip over initial spaces:
while ((int32_t)posInString < nextNewline &&
nsCRT::IsAsciiSpace(tString[posInString])) {
++posInString;
}
// If this is a short line, just append it and continue:
if (outStringCol + nextNewline - posInString <= aWrapCol-citeLevel-1) {
// If this short line is the final one in the in string,
// then we need to include the final newline, if any:
if (nextNewline+1 == (int32_t)length && tString[nextNewline-1] == nl) {
++nextNewline;
}
// Trim trailing spaces:
int32_t lastRealChar = nextNewline;
while ((uint32_t)lastRealChar > posInString &&
nsCRT::IsAsciiSpace(tString[lastRealChar-1])) {
--lastRealChar;
}
aOutString += Substring(tString,
posInString, lastRealChar - posInString);
outStringCol += lastRealChar - posInString;
posInString = nextNewline + 1;
continue;
}
int32_t eol = posInString + aWrapCol - citeLevel - outStringCol;
// eol is the prospective end of line.
// We'll first look backwards from there for a place to break.
// If it's already less than our current position,
// then our line is already too long, so break now.
if (eol <= (int32_t)posInString) {
BreakLine(aOutString, outStringCol, citeLevel);
continue; // continue inner loop, with outStringCol now at bol
}
int32_t breakPt = 0;
// XXX Why this uses NS_ERROR_"BASE"?
rv = NS_ERROR_BASE;
if (lineBreaker) {
breakPt = lineBreaker->Prev(tString.get() + posInString,
length - posInString, eol + 1 - posInString);
if (breakPt == NS_LINEBREAKER_NEED_MORE_TEXT) {
// if we couldn't find a breakpoint looking backwards,
// and we're not starting a new line, then end this line
// and loop around again:
if (outStringCol > citeLevel + 1) {
BreakLine(aOutString, outStringCol, citeLevel);
continue; // continue inner loop, with outStringCol now at bol
}
// Else try looking forwards:
breakPt = lineBreaker->Next(tString.get() + posInString,
length - posInString, eol - posInString);
rv = breakPt == NS_LINEBREAKER_NEED_MORE_TEXT ? NS_ERROR_BASE :
NS_OK;
} else {
rv = NS_OK;
}
}
// If rv is okay, then breakPt is the place to break.
// If we get out here and rv is set, something went wrong with line
// breaker. Just break the line, hard.
if (NS_FAILED(rv)) {
breakPt = eol;
}
// Special case: maybe we should have wrapped last time.
// If the first breakpoint here makes the current line too long,
// then if we already have text on the current line,
// break and loop around again.
// If we're at the beginning of the current line, though,
// don't force a break since the long word might be a url
// and breaking it would make it unclickable on the other end.
const int SLOP = 6;
if (outStringCol + breakPt > aWrapCol + SLOP &&
outStringCol > citeLevel+1) {
BreakLine(aOutString, outStringCol, citeLevel);
continue;
}
nsAutoString sub (Substring(tString, posInString, breakPt));
// skip newlines or whitespace at the end of the string
int32_t subend = sub.Length();
while (subend > 0 && IsSpace(sub[subend-1])) {
--subend;
}
sub.Left(sub, subend);
aOutString += sub;
outStringCol += sub.Length();
// Advance past the whitespace which caused the wrap:
posInString += breakPt;
while (posInString < length && IsSpace(tString[posInString])) {
++posInString;
}
// Add a newline and the quote level to the out string
if (posInString < length) { // not for the last line, though
BreakLine(aOutString, outStringCol, citeLevel);
}
} // end inner loop within one line of aInString
} // end outer loop over lines of aInString
return NS_OK;
}
unsigned int FixedLine::SetLine(unsigned int startpos, unsigned int endpos, bool cache) {
m_docLen = m_doc.GetLength();
#ifdef __WXDEBUG__
wxASSERT(!m_inSetLine); // re-entrancy check
m_inSetLine = true;
wxASSERT(startpos >= 0 && startpos < m_docLen);
wxASSERT(endpos > startpos && endpos <= m_docLen);
if (startpos > 0) {
wxChar c;
cxLOCKDOC_READ(m_doc)
c = doc.GetChar(startpos - 1);
cxENDLOCK
wxASSERT(c == wxT('\n'));
}
if (endpos < m_docLen) {
wxChar c;
cxLOCKDOC_READ(m_doc)
c = doc.GetChar(endpos - 1);
cxENDLOCK
wxASSERT(c == wxT('\n'));
}
#endif
if (!cache || startpos != textstart || endpos != textend) {
textstart = startpos;
textend = endpos;
m_lineLen = endpos - startpos;
// Check if we need to resize line buffer
if (m_lineBufferLen < m_lineLen) {
m_lineBufferLen = m_lineLen;
m_lineBuffer = wxCharBuffer(m_lineBufferLen); // wxCharBuffer allocs room for & adds nullbyte at len
}
// Cache the current line in lineBuffer (as UTF-8)
cxLOCKDOC_READ(m_doc)
doc.GetTextPart(textstart, textend, (unsigned char*)m_lineBuffer.data());
cxENDLOCK
// Style the lines
m_sr.Init(textstart, textend);
for (vector<Styler*>::iterator si = m_stylers.begin(); si != m_stylers.end(); ++si) {
(*si)->Style(m_sr);
}
m_extents.clear();
m_extents.reserve(m_lineLen);
unsigned int xpos = 0;
unsigned int lastpos = 0;
unsigned int style_start = 0;
int fontStyle = m_sr.GetFontStyle(0);
char* dbi = m_lineBuffer.data();
// Build list of text extends (totalling) compensating for tabs and styles
// There is one extent per byte in the text. In utf8 chars composed out of multiple
// bytes, they will all have same value.
for (unsigned int style_id = 0; style_id < m_sr.GetStyleCount(); ++style_id) {
const unsigned int style_end = m_sr.GetStyleEnd(style_id) - textstart;
// Ignore zero length styles
if (style_start == style_end) continue;
// Check for style change
if (m_sr.GetFontStyle(style_id) != fontStyle) {
if (style_start > lastpos) {
m_sr.ApplyFontStyle(fontStyle);
// Get extends for current segment
m_extsBuf.clear();
const unsigned int seg_len = style_start-lastpos;
const wxString text(dbi+lastpos, wxConvUTF8, seg_len);
dc.GetPartialTextExtents(text, m_extsBuf);
wxASSERT(!text.empty() && m_extsBuf.size() == text.size());
// Add to main list adjusted for offset
unsigned int extpos = 0;
unsigned int offset = xpos;
for (unsigned int i = lastpos; i < style_start; ++i) {
if ((dbi[i] & 0xC0) == 0x80) m_extents.push_back(xpos); // Only count first byte of UTF-8 multibyte chars
else if (dbi[i] == '\t') {
// Add tab extend
xpos = ((xpos / tabwidth)+1) * tabwidth; // GetTabPoint(xpos);
offset += xpos - (m_extsBuf[extpos] + offset);
m_extents.push_back(xpos);
++extpos;
}
else {
xpos = m_extsBuf[extpos] + offset;
m_extents.push_back(xpos);
++extpos;
}
}
// Small hack to make lines that end with italics not cut off the edge of the last character
if (fontStyle &= wxFONTFLAG_ITALIC) {
m_extents.back() += 2;
xpos = m_extents.back();
}
}
lastpos = style_start;
fontStyle = m_sr.GetFontStyle(style_id);
}
style_start = style_end;
}
// Add extends for last segment
if (lastpos < m_lineLen) {
m_sr.ApplyFontStyle(fontStyle);
// Get extends for current segment
m_extsBuf.clear();
const unsigned int seg_len = m_lineLen-lastpos;
const wxString text(dbi+lastpos, wxConvUTF8, seg_len);
dc.GetPartialTextExtents(text, m_extsBuf);
wxASSERT(!text.empty() && m_extsBuf.size() == text.size());
// Add to main list adjusted for offset
unsigned int extpos = 0;
unsigned int offset = xpos;
for (unsigned int i = lastpos; i < m_lineLen; ++i) {
if ((dbi[i] & 0xC0) == 0x80) m_extents.push_back(xpos); // Only count first byte of UTF-8 multibyte chars
else if (dbi[i] == '\t') {
// Add tab extend
xpos = ((xpos / tabwidth)+1) * tabwidth; // GetTabPoint(xpos);
offset += xpos - (m_extsBuf[extpos] + offset);
m_extents.push_back(xpos);
++extpos;
}
else {
xpos = m_extsBuf[extpos] + offset;
m_extents.push_back(xpos);
++extpos;
}
}
}
wxASSERT(m_extents.size() == m_lineLen);
BreakLine();
}
else if (width != old_width) {
wxASSERT(m_extents.size() == m_lineLen);
BreakLine();
}
#ifdef __WXDEBUG__
m_inSetLine = false; // re-entrancy check
#endif
return (m_wrapMode == cxWRAP_NONE) ? m_lineWidth : height;
}
int InsertFromFrame( CFrameNode *pFrameNode, SelectNode &sn, int fUpCalc, SelectInfo *psi )
{
if( pFrameNode == NULL ) return -1;
if( pFrameNode->GetChildCount() == 1 )
{
Q_ASSERT( pFrameNode->GetFirstChild()->GetType() == NODE_LINE );
return ::InsertFromLine( (CLineNode*) pFrameNode->GetChild( 0 ), sn, fUpCalc, psi );
}
else
{
Q_ASSERT( pFrameNode->GetChildCount() > 0 );
BreakLine( sn, 0 );
CNode *pPrev = sn.GetNode()->GetPrev();
CNode *pNext = sn.GetNode();
Q_ASSERT( pPrev );
Q_ASSERT( pNext );
CParentNode *pParentNode = sn.GetNode()->GetParent();
int fRecalculateFull = (pFrameNode->GetLevel() != pParentNode->GetLevel());
QVector<CNode*> children;
pFrameNode->RecalculateSizeFull();
pFrameNode->RemoveOrCopyChildren( children );
if( psi )
{
psi->GetBegin().SetNode( children[ 0 ] );
psi->GetBegin().SetPosition( 0 );
psi->GetEnd() = sn;
}
pParentNode->InsertChildren( children,
pParentNode->GetChildIndex( sn.GetNode() ) );
if( pNext->GetPrev() == pPrev )
{
Q_ASSERT( 0 );
}
else
{
if( GlueLine( sn, pNext->GetPrev(), 0, NULL ) == 0 )
if( psi )
psi->GetEnd() = sn;
if( GlueLine( sn, pPrev, 0, NULL ) == 0 )
if( psi )
psi->GetBegin() = sn;
}
if( fRecalculateFull )
pParentNode->RecalculateSizeFull();
else
pParentNode->RecalculateSize( 0 );
if( pParentNode->GetParent() )
pParentNode->GetParent()->RecalculateSize( fUpCalc );
return 0;
}
}
CPlaneText* InsertPlaneText(
SelectNode &sn, QString &strText,
long style, RealFde kegl, CNodeInfo& ni, CNodeExInfo& ex_ni )
{
if( ni.isUnicode() )
{
if( sn.GetNode()->GetType() == NODE_PLANETEXT )
BreakPlaneText( sn, 0 );
Q_ASSERT( sn.GetNode()->GetType() == NODE_LINE );
CParentNode *pParentNode = sn.GetNode()->GetParent();
CNode *pPrev, *pNext;
GetPrevNextInLine( sn, pPrev, pNext );
long nLen;
QString str;
CPlaneText *pPlaneText = NULL;
while( (nLen = strText.length()) )
{
long nPos = strText.indexOf("\r\n");
if( nPos == -1 )
{
str = strText.mid(0, nLen);
strText.clear();
}
else
{
str = strText.mid(0, nPos + 2);
strText.remove(0, nPos);
}
pPlaneText = InsertPlaneText_Internal( sn, str, style, kegl, ni, ex_ni );
if( nPos != -1 )
BreakLine( sn, 0 );
}
pPlaneText->GetParent()->RecalculateSize( 0 );
if( pPrev ) GlueText( sn, pPrev, 0 );
if( pNext ) GlueText( sn, pNext->GetPrev(), 0 );
pParentNode->RecalculateSize( 1 );
return pPlaneText;
}
else
{
if( sn.GetNode()->GetType() == NODE_PLANETEXT )
BreakPlaneText( sn, 0 );
Q_ASSERT( sn.GetNode()->GetType() == NODE_LINE );
CParentNode *pParentNode = sn.GetNode()->GetParent();
CNode *pPrev, *pNext;
GetPrevNextInLine( sn, pPrev, pNext );
//
long i, cb;
long nLen;
QString str;
QVector<CNode*> texts, lines;
while( (nLen = strText.length()) )
{
long nPos = strText.indexOf( "\r\n" );
if( nPos == -1 )
{
str = strText.mid(0, nLen);
strText.clear();
}
else
{
str = strText.mid(0, nPos);
strText.remove( 0, nPos + 2 );
}
lines.push_back( sn.GetNode()->GetLineNode() );
char ch = 0;
LFInsertStyle style2analyse;
long nNewStyle = -1;
for( cb = 0; ; )
{
ch = style2analyse.Analisys( str.midRef(cb) );
if( ch == 0 ) break;
if( style == -1 )
nNewStyle = ::getCurrentFormulatorStyle().getStyleByCharOnly( ch );
else
nNewStyle = style;
QString sV( style2analyse.getText() );
texts.push_back( InsertPlaneText_Internal( sn, sV, nNewStyle, kegl, ni, ex_ni, 0 ) );
cb += style2analyse.GetRead();
style2analyse.reset();
}
if( nPos != -1 )
BreakLine( sn, 0 );
}
for( i = 0; i < (long) texts.size(); i++ )
{
Q_ASSERT( texts[ i ] != NULL );
texts[ i ]->RecalculateSize( 0 );
}
for( i = 0; i < (long) lines.size(); i++ )
{
Q_ASSERT( lines[ i ] != NULL );
lines[ i ]->RecalculateSize( 0 );
}
if( pPrev ) GlueText( sn, pPrev, 0 );
if( pNext ) GlueText( sn, pNext->GetPrev(), 0 );
pParentNode->RecalculateSize( 1 );
return (CPlaneText*) (texts.size() ? texts[ texts.size() - 1 ] : NULL);
}
}
NS_IMETHODIMP
nsInternetCiter::Rewrap(const nsAString& aInString,
PRUint32 aWrapCol, PRUint32 aFirstLineOffset,
PRBool aRespectNewlines,
nsAString& aOutString)
{
// There shouldn't be returns in this string, only dom newlines.
// Check to make sure:
#ifdef DEBUG
PRInt32 cr = aInString.FindChar(PRUnichar('\r'));
NS_ASSERTION((cr < 0), "Rewrap: CR in string gotten from DOM!\n");
#endif /* DEBUG */
aOutString.Truncate();
nsCOMPtr<nsILineBreaker> lineBreaker;
nsILineBreakerFactory *lf;
nsresult rv;
rv = CallGetService(NS_LWBRK_CONTRACTID, &lf);
if (NS_SUCCEEDED(rv))
{
nsAutoString lbarg;
lf->GetBreaker(lbarg, getter_AddRefs(lineBreaker));
NS_RELEASE(lf);
}
// Loop over lines in the input string, rewrapping each one.
PRUint32 length;
PRUint32 posInString = 0;
PRUint32 outStringCol = 0;
PRUint32 citeLevel = 0;
const nsPromiseFlatString &tString = PromiseFlatString(aInString);
length = tString.Length();
#ifdef DEBUG_wrapping
int loopcount = 0;
#endif
while (posInString < length)
{
#ifdef DEBUG_wrapping
printf("Outer loop: '%s'\n",
NS_LossyConvertUCS2toASCII(Substring(tString, posInString,
length-posInString)).get());
printf("out string is now: '%s'\n",
NS_LossyConvertUCS2toASCII(aOutString).get());
#endif
// Get the new cite level here since we're at the beginning of a line
PRUint32 newCiteLevel = 0;
while (posInString < length && tString[posInString] == gt)
{
++newCiteLevel;
++posInString;
while (posInString < length && tString[posInString] == space)
++posInString;
}
if (posInString >= length)
break;
// Special case: if this is a blank line, maintain a blank line
// (retain the original paragraph breaks)
if (tString[posInString] == nl && !aOutString.IsEmpty())
{
if (aOutString.Last() != nl)
aOutString.Append(nl);
AddCite(aOutString, newCiteLevel);
aOutString.Append(nl);
++posInString;
outStringCol = 0;
continue;
}
// If the cite level has changed, then start a new line with the
// new cite level (but if we're at the beginning of the string,
// don't bother).
if (newCiteLevel != citeLevel && posInString > newCiteLevel+1
&& outStringCol != 0)
{
BreakLine(aOutString, outStringCol, 0);
}
citeLevel = newCiteLevel;
// Prepend the quote level to the out string if appropriate
if (outStringCol == 0)
{
AddCite(aOutString, citeLevel);
outStringCol = citeLevel + (citeLevel ? 1 : 0);
}
// If it's not a cite, and we're not at the beginning of a line in
// the output string, add a space to separate new text from the
// previous text.
else if (outStringCol > citeLevel)
{
aOutString.Append(space);
++outStringCol;
}
// find the next newline -- don't want to go farther than that
PRInt32 nextNewline = tString.FindChar(nl, posInString);
if (nextNewline < 0) nextNewline = length;
// For now, don't wrap unquoted lines at all.
// This is because the plaintext edit window has already wrapped them
// by the time we get them for rewrap, yet when we call the line
// breaker, it will refuse to break backwards, and we'll end up
// with a line that's too long and gets displayed as a lone word
// on a line by itself. Need special logic to detect this case
// and break it ourselves without resorting to the line breaker.
if (citeLevel == 0)
{
aOutString.Append(Substring(tString, posInString,
nextNewline-posInString));
outStringCol += nextNewline - posInString;
if (nextNewline != (PRInt32)length)
{
aOutString.Append(nl);
outStringCol = 0;
}
posInString = nextNewline+1;
continue;
}
// Otherwise we have to use the line breaker and loop
// over this line of the input string to get all of it:
while ((PRInt32)posInString < nextNewline)
{
#ifdef DEBUG_wrapping
if (++loopcount > 1000)
NS_ASSERTION(PR_FALSE, "possible infinite loop in nsInternetCiter\n");
printf("Inner loop: '%s'\n",
NS_LossyConvertUCS2toASCII(Substring(tString, posInString,
nextNewline-posInString)).get());
#endif
// Skip over initial spaces:
while ((PRInt32)posInString < nextNewline
&& nsCRT::IsAsciiSpace(tString[posInString]))
++posInString;
// If this is a short line, just append it and continue:
if (outStringCol + nextNewline - posInString <= aWrapCol-citeLevel-1)
{
// If this short line is the final one in the in string,
// then we need to include the final newline, if any:
if (nextNewline+1 == (PRInt32)length && tString[nextNewline-1] == nl)
++nextNewline;
// Trim trailing spaces:
PRInt32 lastRealChar = nextNewline;
while ((PRUint32)lastRealChar > posInString
&& nsCRT::IsAsciiSpace(tString[lastRealChar-1]))
--lastRealChar;
aOutString += Substring(tString,
posInString, lastRealChar - posInString);
outStringCol += lastRealChar - posInString;
posInString = nextNewline + 1;
continue;
}
PRInt32 eol = posInString + aWrapCol - citeLevel - outStringCol;
// eol is the prospective end of line.
// We'll first look backwards from there for a place to break.
// If it's already less than our current position,
// then our line is already too long, so break now.
if (eol <= (PRInt32)posInString)
{
BreakLine(aOutString, outStringCol, citeLevel);
continue; // continue inner loop, with outStringCol now at bol
}
PRUint32 breakPt;
rv = NS_ERROR_BASE;
if (lineBreaker)
{
PRBool needMore;
rv = lineBreaker->Prev(tString.get() + posInString,
length - posInString,
eol + 1 - posInString, &breakPt, &needMore);
if (NS_FAILED(rv) || needMore)
{
// if we couldn't find a breakpoint looking backwards,
// and we're not starting a new line, then end this line
// and loop around again:
if (outStringCol > citeLevel + 1)
{
BreakLine(aOutString, outStringCol, citeLevel);
continue; // continue inner loop, with outStringCol now at bol
}
// Else try looking forwards:
rv = lineBreaker->Next(tString.get() + posInString,
length - posInString,
eol - posInString, &breakPt, &needMore);
if (needMore) rv = NS_ERROR_BASE;
}
}
// If rv is okay, then breakPt is the place to break.
// If we get out here and rv is set, something went wrong with line
// breaker. Just break the line, hard.
if (NS_FAILED(rv))
{
#ifdef DEBUG_akkana
printf("nsInternetCiter: LineBreaker not working -- breaking hard\n");
#endif
breakPt = eol;
}
// Special case: maybe we should have wrapped last time.
// If the first breakpoint here makes the current line too long,
// then if we already have text on the current line,
// break and loop around again.
// If we're at the beginning of the current line, though,
// don't force a break since the long word might be a url
// and breaking it would make it unclickable on the other end.
const int SLOP = 6;
if (outStringCol + breakPt > aWrapCol + SLOP
&& outStringCol > citeLevel+1)
{
BreakLine(aOutString, outStringCol, citeLevel);
continue;
}
nsAutoString sub (Substring(tString, posInString, breakPt));
// skip newlines or whitespace at the end of the string
PRInt32 subend = sub.Length();
while (subend > 0 && IsSpace(sub[subend-1]))
--subend;
sub.Left(sub, subend);
aOutString += sub;
outStringCol += sub.Length();
// Advance past the whitespace which caused the wrap:
posInString += breakPt;
while (posInString < length && IsSpace(tString[posInString]))
++posInString;
// Add a newline and the quote level to the out string
if (posInString < length) // not for the last line, though
BreakLine(aOutString, outStringCol, citeLevel);
} // end inner loop within one line of aInString
#ifdef DEBUG_wrapping
printf("---------\nEnd inner loop: out string is now '%s'\n-----------\n",
NS_LossyConvertUCS2toASCII(aOutString).get());
#endif
} // end outer loop over lines of aInString
#ifdef DEBUG_wrapping
printf("Final out string is now: '%s'\n",
NS_LossyConvertUCS2toASCII(aOutString).get());
#endif
return NS_OK;
}
