NS_IMETHODIMP nsFileResult::GetValueAt(int32_t index, nsAString & aValue)
{
aValue = mValues[index];
if (aValue.Last() == '/')
aValue.Truncate(aValue.Length() - 1);
return NS_OK;
}
static bool
IsMatchingParameter(const nsAString &aString, const nsAString &aParameterName)
{
// The first two tests ensure aString.Length() > aParameterName.Length()
// so it's then safe to do the third test
return StringBeginsWith(aString, aParameterName) &&
aString.Last() == ')' &&
aString.CharAt(aParameterName.Length()) == '(';
}
NS_IMETHODIMP
nsAOLCiter::GetCiteString(const nsAString& aInString, nsAString& aOutString)
{
aOutString.AssignLiteral("\n\n>> ");
aOutString += aInString;
// See if the last char is a newline, and replace it if so
PRUnichar newline ('\n');
if (aOutString.Last() == newline)
{
aOutString.SetLength(aOutString.Length() - 1);
}
aOutString.AppendLiteral(" <<\n");
return NS_OK;
}
/* static */ bool
FileSystemUtils::IsValidRelativeDOMPath(const nsAString& aPath,
nsTArray<nsString>& aParts)
{
// We don't allow empty relative path to access the root.
if (aPath.IsEmpty()) {
return false;
}
// Leading and trailing "/" are not allowed.
if (aPath.First() == FILESYSTEM_DOM_PATH_SEPARATOR_CHAR ||
aPath.Last() == FILESYSTEM_DOM_PATH_SEPARATOR_CHAR) {
return false;
}
NS_NAMED_LITERAL_STRING(kCurrentDir, ".");
NS_NAMED_LITERAL_STRING(kParentDir, "..");
// Split path and check each path component.
nsCharSeparatedTokenizerTemplate<TokenizerIgnoreNothing>
tokenizer(aPath, FILESYSTEM_DOM_PATH_SEPARATOR_CHAR);
while (tokenizer.hasMoreTokens()) {
nsDependentSubstring pathComponent = tokenizer.nextToken();
// The path containing empty components, such as "foo//bar", is invalid.
// We don't allow paths, such as "../foo", "foo/./bar" and "foo/../bar",
// to walk up the directory.
if (pathComponent.IsEmpty() ||
pathComponent.Equals(kCurrentDir) ||
pathComponent.Equals(kParentDir)) {
return false;
}
aParts.AppendElement(pathComponent);
}
return true;
}
void
CSSLexer::PerformEOFFixup(const nsAString& aInputString, bool aPreserveBackslash,
nsAString& aResult)
{
aResult.Append(aInputString);
uint32_t eofChars = mScanner.GetEOFCharacters();
if (aPreserveBackslash &&
(eofChars & (nsCSSScanner::eEOFCharacters_DropBackslash |
nsCSSScanner::eEOFCharacters_ReplacementChar)) != 0) {
eofChars &= ~(nsCSSScanner::eEOFCharacters_DropBackslash |
nsCSSScanner::eEOFCharacters_ReplacementChar);
aResult.Append('\\');
}
if ((eofChars & nsCSSScanner::eEOFCharacters_DropBackslash) != 0 &&
aResult.Length() > 0 && aResult.Last() == '\\') {
aResult.Truncate(aResult.Length() - 1);
}
nsCSSScanner::AppendImpliedEOFCharacters(nsCSSScanner::EOFCharacters(eofChars),
aResult);
}
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;
}
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;
}
