int EscapePacket(u_char *p_pSrc, int p_nSrcLen, u_char* p_pDest, int* p_pDestLen )
{
if (p_nSrcLen > *p_pDestLen - 2 )
{ LOG( "CNivisPacket::EscapePacket: dest buffer too small" );
return 0;
}
int i = 0, j = 1;
while( i < p_nSrcLen )
{ EscapeChar(p_pSrc, (unsigned int*)&i, p_pDest, (unsigned int*)&j );
if (j >= *p_pDestLen)
{ return 0;
}
}
if ( *p_pDestLen <= j )
{ LOG( "CNivisPacket::EscapePacket: dest buffer too small" );
return 0;
}
p_pDest[0] = STX;
p_pDest[j++] = ETX;
*p_pDestLen = j;
return 1;
}
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;
}
}
}
//=================================================================================================
cstring EscapeChar(char c, string& out)
{
cstring esc = EscapeChar(c);
out = esc;
return out.c_str();
}