// RFC3501: astring = 1*ASTRING-CHAR / string
// string = quoted / literal
// This function leaves us off with fCurrentTokenPlaceHolder immediately after
// the end of the Astring. Call AdvanceToNextToken() to get the token after it.
char *nsIMAPGenericParser::CreateAstring()
{
if (*fNextToken == '{')
return CreateLiteral(); // literal
else if (*fNextToken == '"')
return CreateQuoted(); // quoted
else
return CreateAtom(true); // atom
}
// Create a string, which can either be quoted or literal,
// but not an atom.
// This function leaves us off with fCurrentTokenPlaceHolder immediately after
// the end of the String. Call AdvanceToNextToken() to get the token after it.
char *nsIMAPGenericParser::CreateString()
{
if (*fNextToken == '{')
{
char *rv = CreateLiteral(); // literal
return (rv);
}
else if (*fNextToken == '"')
{
char *rv = CreateQuoted(); // quoted
return (rv);
}
else
{
SetSyntaxError(true, "string does not start with '{' or '\"'");
return NULL;
}
}
void TokinizeAttribute (SBody *p_psoBody, std::basic_string<unsigned char> &p_strBin, SDoc &p_soDoc)
{
static u_int8 ui8CodePage = 0;
SBody *psoBody;
STokenInd soTokenInd;
std::map<STokenInd, std::map<u_int8, u_int8>>::iterator iterTokenizer;
std::map<u_int8, u_int8>::iterator iterToken;
SWBXMLToken soToken = { 0 };
psoBody = p_psoBody;
while (psoBody) {
/* инициализируем структуру для поиска токена */
soTokenInd.m_strType = psoBody->m_strType;
soTokenInd.m_strName = psoBody->m_strName;
soTokenInd.m_strValue = psoBody->m_strValue;
/* запрашиваем нобходимый токен */
iterTokenizer = g_mapTokenizer.find (soTokenInd);
/* если токен не найден */
if (iterTokenizer == g_mapTokenizer.end () && soTokenInd.m_strValue.length ()) {
soTokenInd.m_strValue = "";
/* ищем токен повторно для пустого значения */
iterTokenizer = g_mapTokenizer.find (soTokenInd);
}
/* если токен так и не найден */
if (iterTokenizer == g_mapTokenizer.end ()) {
/* LITERAL */
soToken.m_uiToken = 0x04;
p_strBin.append (&soToken.m_ui8Value, sizeof (soToken));
/* определяем индекс литерала */
std::basic_string<mb_u_int32> strInd;
CreateLiteral (p_psoBody, p_soDoc, strInd);
for (unsigned int i = 0; i < strInd.length (); i++)
p_strBin.append (&(strInd[i].m_uiValue), 1);
} else {
/* формируем токен */
iterToken = iterTokenizer->second.find (ui8CodePage);
/* если значение, соответствующее текущей кодовой странице, найдено */
if (iterToken == iterTokenizer->second.end ()) {
iterToken = iterTokenizer->second.begin ();
ui8CodePage = iterToken->first;
p_strBin.append ((unsigned char*)"\x00", 1);
p_strBin.append ((unsigned char*)&(iterToken->first), 1);
}
soToken.m_ui8Value = iterToken->second;
/* формируем токен */
p_strBin.append (&soToken.m_ui8Value, sizeof (soToken));
}
/* если значение не токенизировано */
if (psoBody->m_strValue.length () && 0 == soTokenInd.m_strValue.length ()) {
/* ищем токенизированное значение */
soTokenInd.m_strType = "value";
soTokenInd.m_strName = psoBody->m_strValue;
soTokenInd.m_strValue = "";
iterTokenizer = g_mapTokenizer.find (soTokenInd);
/* если подходящий токен не найден */
if (iterTokenizer == g_mapTokenizer.end ()) {
p_strBin.append ((unsigned char*)"\x03", 1);
p_strBin.append ((unsigned char*)psoBody->m_strValue.c_str (), psoBody->m_strValue.length () + 1);
} else {
iterToken = iterTokenizer->second.find (ui8CodePage);
if (iterToken == iterTokenizer->second.end ()) {
iterToken = iterTokenizer->second.begin ();
ui8CodePage = iterToken->first;
p_strBin.append ((unsigned char*)"\x00", 1);
p_strBin.append ((unsigned char*)&(iterToken->first), 1);
}
soToken.m_ui8Value = iterToken->second;
p_strBin.append (&soToken.m_ui8Value, 1);
}
}
psoBody = psoBody->m_psoNext;
}
}
// Call this to create a buffer containing all characters within
// a given set of parentheses.
// Call this with fNextToken[0]=='(', that is, the open paren
// of the group.
// It will allocate and return all characters up to and including the corresponding
// closing paren, and leave the parser in the right place afterwards.
char *nsIMAPGenericParser::CreateParenGroup()
{
NS_ASSERTION(fNextToken[0] == '(', "we don't have a paren group!");
int numOpenParens = 0;
AdvanceTokenizerStartingPoint(fNextToken - fLineOfTokens);
// Build up a buffer containing the paren group.
nsCString returnString;
char *parenGroupStart = fCurrentTokenPlaceHolder;
NS_ASSERTION(parenGroupStart[0] == '(', "we don't have a paren group (2)!");
while (*fCurrentTokenPlaceHolder)
{
if (*fCurrentTokenPlaceHolder == '{') // literal
{
// Ensure it is a properly formatted literal.
NS_ASSERTION(!strcmp("}\r\n", fCurrentTokenPlaceHolder + strlen(fCurrentTokenPlaceHolder) - 3), "not a literal");
// Append previous characters and the "{xx}\r\n" to buffer.
returnString.Append(parenGroupStart);
// Append literal itself.
AdvanceToNextToken();
if (!ContinueParse())
break;
char *lit = CreateLiteral();
NS_ASSERTION(lit, "syntax error or out of memory");
if (!lit)
break;
returnString.Append(lit);
PR_Free(lit);
if (!ContinueParse())
break;
parenGroupStart = fCurrentTokenPlaceHolder;
}
else if (*fCurrentTokenPlaceHolder == '"') // quoted
{
// Append the _escaped_ version of the quoted string:
// just skip it (because the quoted string must be on the same line).
AdvanceToNextToken();
if (!ContinueParse())
break;
char *q = CreateQuoted();
if (!q)
break;
PR_Free(q);
if (!ContinueParse())
break;
}
else
{
// Append this character to the buffer.
char c = *fCurrentTokenPlaceHolder++;
if (c == '(')
numOpenParens++;
else if (c == ')')
{
numOpenParens--;
if (numOpenParens == 0)
break;
}
}
}
if (numOpenParens != 0 || !ContinueParse())
{
SetSyntaxError(true, "closing ')' not found in paren group");
return nsnull;
}
returnString.Append(parenGroupStart, fCurrentTokenPlaceHolder - parenGroupStart);
AdvanceToNextToken();
return ToNewCString(returnString);
}
