static void EscapeAmpersands(nsString& aToolTip)
{
// First, check to see whether we have any ampersands.
int32_t pos = aToolTip.FindChar('&');
if (pos == kNotFound)
return;
// Next, see if we only have bare ampersands.
pos = MsgFind(aToolTip, "&&", false, pos);
// Windows tooltip code removes one ampersand from each run,
// then collapses pairs of amperands. This means that in the easy case,
// we need to replace each ampersand with three.
MsgReplaceSubstring(aToolTip, NS_LITERAL_STRING("&"), NS_LITERAL_STRING("&&&"));
if (pos == kNotFound)
return;
// We inserted too many ampersands. Remove some.
for (;;) {
pos = MsgFind(aToolTip, "&&&&&&", false, pos);
if (pos == kNotFound)
return;
aToolTip.Cut(pos, 1);
pos += 2;
}
}
// The driver ID is a string like PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD, possibly
// followed by &REV_XXXX. We uppercase the string, and strip the &REV_ part
// from it, if found.
static void normalizeDriverId(nsString& driverid) {
ToUpperCase(driverid);
PRInt32 rev = driverid.Find(NS_LITERAL_CSTRING("&REV_"));
if (rev != -1) {
driverid.Cut(rev, driverid.Length());
}
}
static void
ParseAlignAttribute(nsString& aValue, eAlign& aAlign, PRInt32& aRowIndex)
{
// by default, the table is centered about the axis
aRowIndex = 0;
aAlign = eAlign_axis;
PRInt32 len = 0;
if (0 == aValue.Find("top")) {
len = 3; // 3 is the length of 'top'
aAlign = eAlign_top;
}
else if (0 == aValue.Find("bottom")) {
len = 6; // 6 is the length of 'bottom'
aAlign = eAlign_bottom;
}
else if (0 == aValue.Find("center")) {
len = 6; // 6 is the length of 'center'
aAlign = eAlign_center;
}
else if (0 == aValue.Find("baseline")) {
len = 8; // 8 is the length of 'baseline'
aAlign = eAlign_baseline;
}
else if (0 == aValue.Find("axis")) {
len = 4; // 4 is the length of 'axis'
aAlign = eAlign_axis;
}
if (len) {
PRInt32 error;
aValue.Cut(0, len); // aValue is not a const here
aRowIndex = aValue.ToInteger(&error);
if (error)
aRowIndex = 0;
}
}
void nsEudoraCompose::ExtractCharset(nsString& str)
{
int32_t idx = MsgFind(str, "charset=", true, 0);
if (idx != -1) {
str.Cut(0, idx + 8);
idx = str.FindChar(';');
if (idx != -1)
str.SetLength(idx);
str.Trim(kWhitespace);
if ((str.CharAt(0) == '"') && (str.Length() > 2)) {
str.SetLength(str.Length() - 1);
str.Cut(0, 1);
str.Trim(kWhitespace);
}
}
else
str.Truncate();
}
// EscapeStr takes the passed in string and
// escapes it IN PLACE.
void
mozTXTToHTMLConv::EscapeStr(nsString& aInString, bool inAttribute)
{
// the replace substring routines
// don't seem to work if you have a character
// in the in string that is also in the replacement
// string! =(
//aInString.ReplaceSubstring("&", "&");
//aInString.ReplaceSubstring("<", "<");
//aInString.ReplaceSubstring(">", ">");
for (uint32_t i = 0; i < aInString.Length();)
{
switch (aInString[i])
{
case '<':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("<"), i);
i += 4; // skip past the integers we just added
break;
case '>':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING(">"), i);
i += 4; // skip past the integers we just added
break;
case '&':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("&"), i);
i += 5; // skip past the integers we just added
break;
case '"':
if (inAttribute)
{
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("""), i);
i += 6;
break;
}
// else fall through
MOZ_FALLTHROUGH;
default:
i++;
}
}
}
void nsEudoraCompose::ExtractType(nsString& str)
{
nsString tStr;
int32_t idx = str.FindChar(';');
if (idx != -1)
str.SetLength(idx);
str.Trim(kWhitespace);
if ((str.CharAt(0) == '"') && (str.Length() > 2)) {
str.SetLength(str.Length() - 1);
str.Cut(0, 1);
str.Trim(kWhitespace);
}
// if multipart then ignore it since no outlook message body is ever
// valid multipart!
if (StringBeginsWith(str, NS_LITERAL_STRING("multipart/"), nsCaseInsensitiveStringComparator()))
str.Truncate();
}
static void
ParseAlignAttribute(nsString& aValue, eAlign& aAlign, int32_t& aRowIndex)
{
// by default, the table is centered about the axis
aRowIndex = 0;
aAlign = eAlign_axis;
int32_t len = 0;
// we only have to remove the leading spaces because
// ToInteger ignores the whitespaces around the number
aValue.CompressWhitespace(true, false);
if (0 == aValue.Find("top")) {
len = 3; // 3 is the length of 'top'
aAlign = eAlign_top;
}
else if (0 == aValue.Find("bottom")) {
len = 6; // 6 is the length of 'bottom'
aAlign = eAlign_bottom;
}
else if (0 == aValue.Find("center")) {
len = 6; // 6 is the length of 'center'
aAlign = eAlign_center;
}
else if (0 == aValue.Find("baseline")) {
len = 8; // 8 is the length of 'baseline'
aAlign = eAlign_baseline;
}
else if (0 == aValue.Find("axis")) {
len = 4; // 4 is the length of 'axis'
aAlign = eAlign_axis;
}
if (len) {
nsresult error;
aValue.Cut(0, len); // aValue is not a const here
aRowIndex = aValue.ToInteger(&error);
if (NS_FAILED(error))
aRowIndex = 0;
}
}
// Strip the windows host process bootstrap executable rundll32.exe
// from a handler's command string if it exists.
static void StripRundll32(nsString& aCommandString)
{
// Example rundll formats:
// C:\Windows\System32\rundll32.exe "path to dll"
// rundll32.exe "path to dll"
// C:\Windows\System32\rundll32.exe "path to dll", var var
// rundll32.exe "path to dll", var var
NS_NAMED_LITERAL_STRING(rundllSegment, "rundll32.exe ");
NS_NAMED_LITERAL_STRING(rundllSegmentShort, "rundll32 ");
// case insensitive
int32_t strLen = rundllSegment.Length();
int32_t index = aCommandString.Find(rundllSegment, true);
if (index == kNotFound) {
strLen = rundllSegmentShort.Length();
index = aCommandString.Find(rundllSegmentShort, true);
}
if (index != kNotFound) {
uint32_t rundllSegmentLength = index + strLen;
aCommandString.Cut(0, rundllSegmentLength);
}
}
// static
void
nsTextEditRules::HandleNewLines(nsString &aString,
PRInt32 aNewlineHandling)
{
if (aNewlineHandling < 0) {
PRInt32 caretStyle;
nsPlaintextEditor::GetDefaultEditorPrefs(aNewlineHandling, caretStyle);
}
switch(aNewlineHandling)
{
case nsIPlaintextEditor::eNewlinesReplaceWithSpaces:
// Strip trailing newlines first so we don't wind up with trailing spaces
aString.Trim(CRLF, false, true);
aString.ReplaceChar(CRLF, ' ');
break;
case nsIPlaintextEditor::eNewlinesStrip:
aString.StripChars(CRLF);
break;
case nsIPlaintextEditor::eNewlinesPasteToFirst:
default:
{
PRInt32 firstCRLF = aString.FindCharInSet(CRLF);
// we get first *non-empty* line.
PRInt32 offset = 0;
while (firstCRLF == offset)
{
offset++;
firstCRLF = aString.FindCharInSet(CRLF, offset);
}
if (firstCRLF > 0)
aString.Truncate(firstCRLF);
if (offset > 0)
aString.Cut(0, offset);
}
break;
case nsIPlaintextEditor::eNewlinesReplaceWithCommas:
aString.Trim(CRLF, true, true);
aString.ReplaceChar(CRLF, ',');
break;
case nsIPlaintextEditor::eNewlinesStripSurroundingWhitespace:
{
// find each newline, and strip all the whitespace before
// and after it
PRInt32 firstCRLF = aString.FindCharInSet(CRLF);
while (firstCRLF >= 0)
{
PRUint32 wsBegin = firstCRLF, wsEnd = firstCRLF + 1;
// look backwards for the first non-whitespace char
while (wsBegin > 0 && NS_IS_SPACE(aString[wsBegin - 1]))
--wsBegin;
while (wsEnd < aString.Length() && NS_IS_SPACE(aString[wsEnd]))
++wsEnd;
// now cut this range out of the string
aString.Cut(wsBegin, wsEnd - wsBegin);
// look for another CR or LF
firstCRLF = aString.FindCharInSet(CRLF);
}
}
break;
case nsIPlaintextEditor::eNewlinesPasteIntact:
// even if we're pasting newlines, don't paste leading/trailing ones
aString.Trim(CRLF, true, true);
break;
}
}
// static
void
nsTextEditRules::HandleNewLines(nsString &aString,
int32_t aNewlineHandling)
{
if (aNewlineHandling < 0) {
int32_t caretStyle;
nsPlaintextEditor::GetDefaultEditorPrefs(aNewlineHandling, caretStyle);
}
switch(aNewlineHandling)
{
case nsIPlaintextEditor::eNewlinesReplaceWithSpaces:
// Strip trailing newlines first so we don't wind up with trailing spaces
aString.Trim(CRLF, false, true);
aString.ReplaceChar(CRLF, ' ');
break;
case nsIPlaintextEditor::eNewlinesStrip:
aString.StripChars(CRLF);
break;
case nsIPlaintextEditor::eNewlinesPasteToFirst:
default:
{
int32_t firstCRLF = aString.FindCharInSet(CRLF);
// we get first *non-empty* line.
int32_t offset = 0;
while (firstCRLF == offset)
{
offset++;
firstCRLF = aString.FindCharInSet(CRLF, offset);
}
if (firstCRLF > 0)
aString.Truncate(firstCRLF);
if (offset > 0)
aString.Cut(0, offset);
}
break;
case nsIPlaintextEditor::eNewlinesReplaceWithCommas:
aString.Trim(CRLF, true, true);
aString.ReplaceChar(CRLF, ',');
break;
case nsIPlaintextEditor::eNewlinesStripSurroundingWhitespace:
{
nsString result;
uint32_t offset = 0;
while (offset < aString.Length())
{
int32_t nextCRLF = aString.FindCharInSet(CRLF, offset);
if (nextCRLF < 0) {
result.Append(nsDependentSubstring(aString, offset));
break;
}
uint32_t wsBegin = nextCRLF;
// look backwards for the first non-whitespace char
while (wsBegin > offset && NS_IS_SPACE(aString[wsBegin - 1]))
--wsBegin;
result.Append(nsDependentSubstring(aString, offset, wsBegin - offset));
offset = nextCRLF + 1;
while (offset < aString.Length() && NS_IS_SPACE(aString[offset]))
++offset;
}
aString = result;
}
break;
case nsIPlaintextEditor::eNewlinesPasteIntact:
// even if we're pasting newlines, don't paste leading/trailing ones
aString.Trim(CRLF, true, true);
break;
}
}
void
mozTXTToHTMLConv::ScanTXT(const PRUnichar * aInString, PRInt32 aInStringLength, PRUint32 whattodo, nsString& aOutString)
{
bool doURLs = 0 != (whattodo & kURLs);
bool doGlyphSubstitution = 0 != (whattodo & kGlyphSubstitution);
bool doStructPhrase = 0 != (whattodo & kStructPhrase);
PRUint32 structPhrase_strong = 0; // Number of currently open tags
PRUint32 structPhrase_underline = 0;
PRUint32 structPhrase_italic = 0;
PRUint32 structPhrase_code = 0;
nsAutoString outputHTML; // moved here for performance increase
for(PRUint32 i = 0; PRInt32(i) < aInStringLength;)
{
if (doGlyphSubstitution)
{
PRInt32 glyphTextLen;
if (GlyphHit(&aInString[i], aInStringLength - i, i == 0, aOutString, glyphTextLen))
{
i += glyphTextLen;
continue;
}
}
if (doStructPhrase)
{
const PRUnichar * newOffset = aInString;
PRInt32 newLength = aInStringLength;
if (i > 0 ) // skip the first element?
{
newOffset = &aInString[i-1];
newLength = aInStringLength - i + 1;
}
switch (aInString[i]) // Performance increase
{
case '*':
if (StructPhraseHit(newOffset, newLength, i == 0,
NS_LITERAL_STRING("*").get(), 1,
"b", "class=\"moz-txt-star\"",
aOutString, structPhrase_strong))
{
i++;
continue;
}
break;
case '/':
if (StructPhraseHit(newOffset, newLength, i == 0,
NS_LITERAL_STRING("/").get(), 1,
"i", "class=\"moz-txt-slash\"",
aOutString, structPhrase_italic))
{
i++;
continue;
}
break;
case '_':
if (StructPhraseHit(newOffset, newLength, i == 0,
NS_LITERAL_STRING("_").get(), 1,
"span" /* <u> is deprecated */,
"class=\"moz-txt-underscore\"",
aOutString, structPhrase_underline))
{
i++;
continue;
}
break;
case '|':
if (StructPhraseHit(newOffset, newLength, i == 0,
NS_LITERAL_STRING("|").get(), 1,
"code", "class=\"moz-txt-verticalline\"",
aOutString, structPhrase_code))
{
i++;
continue;
}
break;
}
}
if (doURLs)
{
switch (aInString[i])
{
case ':':
case '@':
case '.':
if ( (i == 0 || ((i > 0) && aInString[i - 1] != ' ')) && aInString[i +1] != ' ') // Performance increase
{
PRInt32 replaceBefore;
PRInt32 replaceAfter;
if (FindURL(aInString, aInStringLength, i, whattodo,
outputHTML, replaceBefore, replaceAfter)
&& structPhrase_strong + structPhrase_italic +
structPhrase_underline + structPhrase_code == 0
/* workaround for bug #19445 */ )
{
aOutString.Cut(aOutString.Length() - replaceBefore, replaceBefore);
aOutString += outputHTML;
i += replaceAfter + 1;
continue;
}
}
break;
} //switch
}
switch (aInString[i])
{
// Special symbols
case '<':
case '>':
case '&':
EscapeChar(aInString[i], aOutString, false);
i++;
break;
// Normal characters
default:
aOutString += aInString[i];
i++;
break;
}
}
}
bool nsEudoraEditor::GetEmbeddedImageCID(PRUint32 aCIDHash, const nsAString & aOldRef, nsString &aCID)
{
bool foundMatch = false;
PRInt32 startImageTag = 0;
PRInt32 closeImageTag = 0;
while ( (startImageTag = m_body.Find("<img", true, closeImageTag)) != kNotFound )
{
closeImageTag = m_body.Find(">", false, startImageTag);
// We should always find a close tag, bail if we don't
if (closeImageTag == kNotFound)
break;
// Find the source attribute and make sure it's for our image tag
PRInt32 startSrcValue = m_body.Find("src", true, startImageTag);
if ( (startSrcValue == kNotFound) || (startSrcValue > closeImageTag) )
continue;
// Move past the src
startSrcValue += 3;
// Move past any whitespace
while ( isspace(m_body.CharAt(startSrcValue)) )
++startSrcValue;
// We should find an = now
if (m_body.CharAt(startSrcValue) != '=')
continue;
// Move past =
++startSrcValue;
// Move past any whitespace
while ( isspace(m_body.CharAt(startSrcValue)) )
++startSrcValue;
// Get the quote char and verify that it's valid
char quoteChar = static_cast <char> (m_body.CharAt(startSrcValue));
if ( (quoteChar != '"') && (quoteChar != '\'') )
continue;
// Move past the quote
++startSrcValue;
PRInt32 endSrcValue = m_body.FindChar(quoteChar, startSrcValue);
PRInt32 srcLength = endSrcValue - startSrcValue;
nsString srcValue;
aCID.Assign(Substring(m_body, startSrcValue, srcLength));
if (aCIDHash != 0)
{
// Verify source value starts with "cid:"
if (!StringBeginsWith(aCID, NS_LITERAL_STRING("cid:"), nsCaseInsensitiveStringComparator()))
continue;
// Remove "cid:" from the start
aCID.Cut(0, 4);
PRUint32 hashValue = EudoraHashString( NS_LossyConvertUTF16toASCII(aCID).get() );
foundMatch = (hashValue == aCIDHash);
}
else
{
foundMatch = aCID.Equals(aOldRef);
}
}
return foundMatch;
}
bool nsTextAddress::GetField(const nsAString &aLine, int32_t index,
nsString &field, char16_t delim) {
bool result = false;
int32_t pos = 0;
int32_t maxLen = aLine.Length();
char16_t tab = char16_t('\t');
char16_t doubleQuote = char16_t('"');
field.Truncate();
if (delim == tab) tab = 0;
while (index && (pos < maxLen)) {
while (((aLine[pos] == char16_t(' ')) || (aLine[pos] == tab)) &&
(pos < maxLen)) {
pos++;
}
if (pos >= maxLen) break;
if (aLine[pos] == doubleQuote) {
do {
pos++;
if (((pos + 1) < maxLen) && (aLine[pos] == doubleQuote) &&
(aLine[pos + 1] == doubleQuote)) {
pos += 2;
}
} while ((pos < maxLen) && (aLine[pos] != doubleQuote));
if (pos < maxLen) pos++;
}
if (pos >= maxLen) break;
while ((pos < maxLen) && (aLine[pos] != delim)) pos++;
if (pos >= maxLen) break;
index--;
pos++;
}
if (pos >= maxLen) return result;
result = true;
while ((pos < maxLen) && ((aLine[pos] == ' ') || (aLine[pos] == tab))) pos++;
int32_t fLen = 0;
int32_t startPos = pos;
bool quoted = false;
if (aLine[pos] == '"') {
startPos++;
fLen = -1;
do {
pos++;
fLen++;
if (((pos + 1) < maxLen) && (aLine[pos] == doubleQuote) &&
(aLine[pos + 1] == doubleQuote)) {
quoted = true;
pos += 2;
fLen += 2;
}
} while ((pos < maxLen) && (aLine[pos] != doubleQuote));
} else {
while ((pos < maxLen) && (aLine[pos] != delim)) {
pos++;
fLen++;
}
}
if (!fLen) {
return result;
}
field.Append(nsDependentSubstring(aLine, startPos, fLen));
field.Trim(kWhitespace);
if (quoted) {
int32_t offset = field.Find("\"\"");
while (offset != -1) {
field.Cut(offset, 1);
offset = MsgFind(field, "\"\"", false, offset + 1);
}
}
return result;
}
// XXX Code copied from nsHTMLContentSink. It should be shared.
void
nsRDFParserUtils::StripAndConvert(nsString& aResult)
{
if ( !aResult.IsEmpty() ) {
// Strip quotes if present
PRUnichar first = aResult.First();
if ((first == '"') || (first == '\'')) {
if (aResult.Last() == first) {
aResult.Cut(0, 1);
PRInt32 pos = aResult.Length() - 1;
if (pos >= 0) {
aResult.Cut(pos, 1);
}
} else {
// Mismatched quotes - leave them in
}
}
}
// Reduce any entities
// XXX Note: as coded today, this will only convert well formed
// entities. This may not be compatible enough.
// XXX there is a table in navigator that translates some numeric entities
// should we be doing that? If so then it needs to live in two places (bad)
// so we should add a translate numeric entity method from the parser...
char cbuf[100];
PRUint32 i = 0;
while (i < aResult.Length()) {
// If we have the start of an entity (and it's not at the end of
// our string) then translate the entity into it's unicode value.
if ((aResult.CharAt(i++) == '&') && (i < aResult.Length())) {
PRInt32 start = i - 1;
PRUnichar e = aResult.CharAt(i);
if (e == '#') {
// Convert a numeric character reference
i++;
char* cp = cbuf;
char* limit = cp + sizeof(cbuf) - 1;
PRBool ok = PR_FALSE;
PRUint32 slen = aResult.Length();
while ((i < slen) && (cp < limit)) {
PRUnichar f = aResult.CharAt(i);
if (f == ';') {
i++;
ok = PR_TRUE;
break;
}
if ((f >= '0') && (f <= '9')) {
*cp++ = char(f);
i++;
continue;
}
break;
}
if (!ok || (cp == cbuf)) {
continue;
}
*cp = '\0';
if (cp - cbuf > 5) {
continue;
}
PRInt32 ch = PRInt32( ::atoi(cbuf) );
if (ch > 65535) {
continue;
}
// Remove entity from string and replace it with the integer
// value.
aResult.Cut(start, i - start);
aResult.Insert(PRUnichar(ch), start);
i = start + 1;
}
else if (((e >= 'A') && (e <= 'Z')) ||
((e >= 'a') && (e <= 'z'))) {
// Convert a named entity
i++;
char* cp = cbuf;
char* limit = cp + sizeof(cbuf) - 1;
*cp++ = char(e);
PRBool ok = PR_FALSE;
PRUint32 slen = aResult.Length();
while ((i < slen) && (cp < limit)) {
PRUnichar f = aResult.CharAt(i);
if (f == ';') {
i++;
ok = PR_TRUE;
break;
}
if (((f >= '0') && (f <= '9')) ||
((f >= 'A') && (f <= 'Z')) ||
((f >= 'a') && (f <= 'z'))) {
*cp++ = char(f);
i++;
continue;
}
break;
}
if (!ok || (cp == cbuf)) {
continue;
}
*cp = '\0';
PRInt32 ch;
// XXX Um, here's where we should be converting a
// named entity. I removed this to avoid a link-time
// dependency on core raptor.
ch = EntityToUnicode(cbuf);
if (ch < 0) {
continue;
}
// Remove entity from string and replace it with the integer
// value.
aResult.Cut(start, i - start);
aResult.Insert(PRUnichar(ch), start);
i = start + 1;
}
else if (e == '{') {
// Convert a script entity
// XXX write me!
NS_NOTYETIMPLEMENTED("convert a script entity");
}
}
}
}