void
mozTXTToHTMLConv::CompleteAbbreviatedURL(const PRUnichar * aInString, PRInt32 aInLength,
const PRUint32 pos, nsString& aOutString)
{
NS_ASSERTION(PRInt32(pos) < aInLength, "bad args to CompleteAbbreviatedURL, see bug #190851");
if (PRInt32(pos) >= aInLength)
return;
if (aInString[pos] == '@')
{
// only pre-pend a mailto url if the string contains a .domain in it..
//i.e. we want to linkify [email protected] but not "let's meet @8pm"
nsDependentString inString(aInString, aInLength);
if (inString.FindChar('.', pos) != kNotFound) // if we have a '.' after the @ sign....
{
aOutString.AssignLiteral("mailto:");
aOutString += aInString;
}
}
else if (aInString[pos] == '.')
{
if (ItMatchesDelimited(aInString, aInLength,
NS_LITERAL_STRING("www.").get(), 4, LT_IGNORE, LT_IGNORE))
{
aOutString.AssignLiteral("http://");
aOutString += aInString;
}
else if (ItMatchesDelimited(aInString,aInLength, NS_LITERAL_STRING("ftp.").get(), 4, LT_IGNORE, LT_IGNORE))
{
aOutString.AssignLiteral("ftp://");
aOutString += aInString;
}
}
}
// NOTE: the converted html for the phrase is appended to aOutString
// tagHTML and attributeHTML are plain ASCII (literal strings, in fact)
bool
mozTXTToHTMLConv::StructPhraseHit(const PRUnichar * aInString, PRInt32 aInStringLength, bool col0,
const PRUnichar* tagTXT, PRInt32 aTagTXTLen,
const char* tagHTML, const char* attributeHTML,
nsString& aOutString, PRUint32& openTags)
{
/* We're searching for the following pattern:
LT_DELIMITER - "*" - ALPHA -
[ some text (maybe more "*"-pairs) - ALPHA ] "*" - LT_DELIMITER.
<strong> is only inserted, if existence of a pair could be verified
We use the first opening/closing tag, if we can choose */
const PRUnichar * newOffset = aInString;
PRInt32 newLength = aInStringLength;
if (!col0) // skip the first element?
{
newOffset = &aInString[1];
newLength = aInStringLength - 1;
}
// opening tag
if
(
ItMatchesDelimited(aInString, aInStringLength, tagTXT, aTagTXTLen,
(col0 ? LT_IGNORE : LT_DELIMITER), LT_ALPHA) // is opening tag
&& NumberOfMatches(newOffset, newLength, tagTXT, aTagTXTLen,
LT_ALPHA, LT_DELIMITER) // remaining closing tags
> openTags
)
{
openTags++;
aOutString.AppendLiteral("<");
aOutString.AppendASCII(tagHTML);
aOutString.Append(PRUnichar(' '));
aOutString.AppendASCII(attributeHTML);
aOutString.AppendLiteral("><span class=\"moz-txt-tag\">");
aOutString.Append(tagTXT);
aOutString.AppendLiteral("</span>");
return true;
}
// closing tag
else if (openTags > 0
&& ItMatchesDelimited(aInString, aInStringLength, tagTXT, aTagTXTLen, LT_ALPHA, LT_DELIMITER))
{
openTags--;
aOutString.AppendLiteral("<span class=\"moz-txt-tag\">");
aOutString.Append(tagTXT);
aOutString.AppendLiteral("</span></");
aOutString.AppendASCII(tagHTML);
aOutString.Append(PRUnichar('>'));
return true;
}
return false;
}
bool
mozTXTToHTMLConv::SmilyHit(const PRUnichar * aInString, PRInt32 aLength, bool col0,
const char* tagTXT, const char* imageName,
nsString& outputHTML, PRInt32& glyphTextLen)
{
if ( !aInString || !tagTXT || !imageName )
return false;
PRInt32 tagLen = strlen(tagTXT);
PRUint32 delim = (col0 ? 0 : 1) + tagLen;
if
(
(col0 || IsSpace(aInString[0]))
&&
(
aLength <= PRInt32(delim) ||
IsSpace(aInString[delim]) ||
(aLength > PRInt32(delim + 1)
&&
(
aInString[delim] == '.' ||
aInString[delim] == ',' ||
aInString[delim] == ';' ||
aInString[delim] == '8' ||
aInString[delim] == '>' ||
aInString[delim] == '!' ||
aInString[delim] == '?'
)
&& IsSpace(aInString[delim + 1]))
)
&& ItMatchesDelimited(aInString, aLength, NS_ConvertASCIItoUTF16(tagTXT).get(), tagLen,
col0 ? LT_IGNORE : LT_DELIMITER, LT_IGNORE)
// Note: tests at different pos for LT_IGNORE and LT_DELIMITER
)
{
if (!col0)
{
outputHTML.Truncate();
outputHTML.Append(PRUnichar(' '));
}
outputHTML.AppendLiteral("<span class=\""); // <span class="
AppendASCIItoUTF16(imageName, outputHTML); // e.g. smiley-frown
outputHTML.AppendLiteral("\" title=\""); // " title="
AppendASCIItoUTF16(tagTXT, outputHTML); // smiley tooltip
outputHTML.AppendLiteral("\"><span>"); // "><span>
AppendASCIItoUTF16(tagTXT, outputHTML); // original text
outputHTML.AppendLiteral("</span></span>"); // </span></span>
glyphTextLen = (col0 ? 0 : 1) + tagLen;
return true;
}
return false;
}
PRUint32
mozTXTToHTMLConv::NumberOfMatches(const PRUnichar * aInString, PRInt32 aInStringLength,
const PRUnichar* rep, PRInt32 aRepLen, LIMTYPE before, LIMTYPE after)
{
PRUint32 result = 0;
for (PRInt32 i = 0; i < aInStringLength; i++)
{
const PRUnichar * indexIntoString = &aInString[i];
if (ItMatchesDelimited(indexIntoString, aInStringLength - i, rep, aRepLen, before, after))
result++;
}
return result;
}
uint32_t
mozTXTToHTMLConv::NumberOfMatches(const char16_t * aInString, int32_t aInStringLength,
const char16_t* rep, int32_t aRepLen, LIMTYPE before, LIMTYPE after)
{
uint32_t result = 0;
for (int32_t i = 0; i < aInStringLength; i++)
{
const char16_t * indexIntoString = &aInString[i];
if (ItMatchesDelimited(indexIntoString, aInStringLength - i, rep, aRepLen, before, after))
result++;
}
return result;
}
// the glyph is appended to aOutputString instead of the original string...
bool
mozTXTToHTMLConv::GlyphHit(const PRUnichar * aInString, PRInt32 aInLength, bool col0,
nsString& aOutputString, PRInt32& glyphTextLen)
{
PRUnichar text0 = aInString[0];
PRUnichar text1 = aInString[1];
PRUnichar firstChar = (col0 ? text0 : text1);
// temporary variable used to store the glyph html text
nsAutoString outputHTML;
bool bTestSmilie;
bool bArg = false;
int i;
// refactor some of this mess to avoid code duplication and speed execution a bit
// there are two cases that need to be tried one after another. To avoid a lot of
// duplicate code, rolling into a loop
i = 0;
while ( i < 2 )
{
bTestSmilie = false;
if ( !i && (firstChar == ':' || firstChar == ';' || firstChar == '=' || firstChar == '>' || firstChar == '8' || firstChar == 'O'))
{
// first test passed
bTestSmilie = true;
bArg = col0;
}
if ( i && col0 && ( text1 == ':' || text1 == ';' || text1 == '=' || text1 == '>' || text1 == '8' || text1 == 'O' ) )
{
// second test passed
bTestSmilie = true;
bArg = false;
}
if ( bTestSmilie && (
SmilyHit(aInString, aInLength, bArg,
":-)",
"moz-smiley-s1", // smile
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":)",
"moz-smiley-s1", // smile
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-D",
"moz-smiley-s5", // laughing
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-(",
"moz-smiley-s2", // frown
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":(",
"moz-smiley-s2", // frown
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-[",
"moz-smiley-s6", // embarassed
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
";-)",
"moz-smiley-s3", // wink
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, col0,
";)",
"moz-smiley-s3", // wink
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-\\",
"moz-smiley-s7", // undecided
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-P",
"moz-smiley-s4", // tongue
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
";-P",
"moz-smiley-s4", // tongue
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
"=-O",
"moz-smiley-s8", // surprise
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-*",
"moz-smiley-s9", // kiss
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
">:o",
"moz-smiley-s10", // yell
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
">:-o",
"moz-smiley-s10", // yell
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
"8-)",
"moz-smiley-s11", // cool
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-$",
"moz-smiley-s12", // money
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-!",
"moz-smiley-s13", // foot
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
"O:-)",
"moz-smiley-s14", // innocent
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":'(",
"moz-smiley-s15", // cry
outputHTML, glyphTextLen) ||
SmilyHit(aInString, aInLength, bArg,
":-X",
"moz-smiley-s16", // sealed
outputHTML, glyphTextLen)
)
)
{
aOutputString.Append(outputHTML);
return true;
}
i++;
}
if (text0 == '\f')
{
aOutputString.AppendLiteral("<span class='moz-txt-formfeed'></span>");
glyphTextLen = 1;
return true;
}
if (text0 == '+' || text1 == '+')
{
if (ItMatchesDelimited(aInString, aInLength,
NS_LITERAL_STRING(" +/-").get(), 4,
LT_IGNORE, LT_IGNORE))
{
aOutputString.AppendLiteral(" ±");
glyphTextLen = 4;
return true;
}
if (col0 && ItMatchesDelimited(aInString, aInLength,
NS_LITERAL_STRING("+/-").get(), 3,
LT_IGNORE, LT_IGNORE))
{
aOutputString.AppendLiteral("±");
glyphTextLen = 3;
return true;
}
}
// x^2 => x<sup>2</sup>, also handle powers x^-2, x^0.5
// implement regular expression /[\dA-Za-z\)\]}]\^-?\d+(\.\d+)*[^\dA-Za-z]/
if
(
text1 == '^'
&&
(
nsCRT::IsAsciiDigit(text0) || nsCRT::IsAsciiAlpha(text0) ||
text0 == ')' || text0 == ']' || text0 == '}'
)
&&
(
(2 < aInLength && nsCRT::IsAsciiDigit(aInString[2])) ||
(3 < aInLength && aInString[2] == '-' && nsCRT::IsAsciiDigit(aInString[3]))
)
)
{
// Find first non-digit
PRInt32 delimPos = 3; // skip "^" and first digit (or '-')
for (; delimPos < aInLength
&&
(
nsCRT::IsAsciiDigit(aInString[delimPos]) ||
(aInString[delimPos] == '.' && delimPos + 1 < aInLength &&
nsCRT::IsAsciiDigit(aInString[delimPos + 1]))
);
delimPos++)
;
if (delimPos < aInLength && nsCRT::IsAsciiAlpha(aInString[delimPos]))
{
return false;
}
outputHTML.Truncate();
outputHTML += text0;
outputHTML.AppendLiteral(
"<sup class=\"moz-txt-sup\">"
"<span style=\"display:inline-block;width:0;height:0;overflow:hidden\">"
"^</span>");
aOutputString.Append(outputHTML);
aOutputString.Append(&aInString[2], delimPos - 2);
aOutputString.AppendLiteral("</sup>");
glyphTextLen = delimPos /* - 1 + 1 */ ;
return true;
}
/*
The following strings are not substituted:
|TXT |HTML |Reason
+------+---------+----------
-> ← Bug #454
=> ⇐ dito
<- → dito
<= ⇒ dito
(tm) ™ dito
1/4 ¼ is triggered by 1/4 Part 1, 2/4 Part 2, ...
3/4 ¾ dito
1/2 ½ similar
*/
return false;
}
