Diffstat (limited to 'library/backend/vcc_yacc.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | library/backend/vcc_yacc.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/backend/vcc_yacc.cpp b/library/backend/vcc_yacc.cpp index 5649522..5f53aef 100644 --- a/library/backend/vcc_yacc.cpp +++ b/library/backend/vcc_yacc.cpp @@ -928,258 +928,260 @@ static char * lexGetDataFromBase64() free(bytes);
}
else if (oldBytes) {
setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);
free(oldBytes);
}
return 0;
}
static int match_begin_end_name(int end) {
int token;
lexSkipWhite();
if (lexLookahead() != ':') return ID;
lexSkipLookahead();
lexSkipWhite();
token = match_begin_name(end);
if (token == ID) {
lexPushLookaheadc(':');
DBG_(("db: ID '%s'\n", yylval.str));
return ID;
}
else if (token != 0) {
lexSkipLookaheadWord();
deleteStr(yylval.str);
DBG_(("db: begin/end %d\n", token));
return token;
}
return 0;
}
static char* lexGetQuotedPrintable()
{
int c;
lexSkipWhite();
c = lexLookahead();
lexClearToken();
while (c != EOF && c != ';') {
if (c == '\n') {
// break, leave '\n' on remaining chars.
break;
} else if (c == '=') {
int cur = 0;
int next;
lexSkipLookahead(); // skip '='
next = lexLookahead();
if (next == '\n') {
// skip and only skip the \n
lexSkipLookahead();
c = lexLookahead();
++mime_lineNum; // aid in error reporting
continue;
} else if (next >= '0' && next <= '9') {
cur = next - '0';
} else if (next >= 'A' && next <= 'F') {
cur = next - 'A' + 10;
} else {
// we have been sent buggy stuff. doesn't matter
// what we do so long as we keep going.
// should probably spit an error here
lexSkipLookahead();
c = lexLookahead();
continue;
}
lexSkipLookahead(); // skip A-Z0-9
next = lexLookahead();
cur = cur * 16;
// this time really just expecting 0-9A-F
if (next >= '0' && next <= '9') {
cur += next - '0';
} else if (next >= 'A' && next <= 'F') {
cur += next - 'A' + 10;
} else {
// we have been sent buggy stuff. doesn't matter
// what we do so long as we keep going.
// should probably spit an error here
lexSkipLookahead();
c = lexLookahead();
continue;
}
// got a valid escaped =. append it.
lexSkipLookahead(); // skip second 0-9A-F
lexAppendc(cur);
} else {
lexSkipLookahead(); // skip whatever we just read.
lexAppendc(c); // and append it.
}
c = lexLookahead();
}
lexAppendc(0);
return c==EOF?0:lexStr();
}
static int yylex() {
int lexmode = LEXMODE();
if (lexmode == L_VALUES) {
int c = lexGetc();
if (c == ';' && fieldedProp) {
DBG_(("db: SEMICOLON\n"));
lexPushLookaheadc(c);
handleMoreRFC822LineBreak(c);
lexSkipLookahead();
return SEMICOLON;
}
else if (strchr("\n",c)) {
++mime_lineNum;
/* consume all line separator(s) adjacent to each other */
c = lexLookahead();
while (strchr("\n",c)) {
lexSkipLookahead();
c = lexLookahead();
++mime_lineNum;
}
DBG_(("db: LINESEP\n"));
return LINESEP;
}
else {
char *p = 0;
lexPushLookaheadc(c);
if (lexWithinMode(L_BASE64)) {
/* get each char and convert to bin on the fly... */
p = lexGetDataFromBase64();
+#if 0 yylval.str = p;
return STRING;
+#endif }
else if (lexWithinMode(L_QUOTED_PRINTABLE)) {
p = lexGetQuotedPrintable();
}
else {
#ifdef _SUPPORT_LINE_FOLDING
p = lexGet1Value();
#else
p = lexGetStrUntil(";\n");
#endif
}
if (p) {
DBG_(("db: STRING: '%s'\n", p));
yylval.str = p;
return STRING;
}
else return 0;
}
}
else {
/* normal mode */
while (1) {
int c = lexGetc();
switch(c) {
case ':': {
/* consume all line separator(s) adjacent to each other */
/* ignoring linesep immediately after colon. */
/* I don't see this in the spec, and it breaks null values -- WA
c = lexLookahead();
while (strchr("\n",c)) {
lexSkipLookahead();
c = lexLookahead();
++mime_lineNum;
}
*/
DBG_(("db: COLON\n"));
return COLON;
}
case ';':
DBG_(("db: SEMICOLON\n"));
return SEMICOLON;
case '=':
DBG_(("db: EQ\n"));
return EQ;
/* ignore whitespace in this mode */
case '\t':
case ' ': continue;
case '\n': {
++mime_lineNum;
continue;
}
case EOF: return 0;
break;
default: {
lexPushLookaheadc(c);
if (isalnum(c)) {
char *t = lexGetWord();
yylval.str = t;
if (!qstricmp(t, "begin")) {
return match_begin_end_name(0);
}
else if (!qstricmp(t,"end")) {
return match_begin_end_name(1);
}
else {
DBG_(("db: ID '%s'\n", t));
return ID;
}
}
else {
/* unknow token */
return 0;
}
break;
}
}
}
}
return 0;
}
/***************************************************************************/
/*** Public Functions ****/
/***************************************************************************/
static VObject* Parse_MIMEHelper()
{
ObjStackTop = -1;
mime_numErrors = 0;
mime_lineNum = 1;
vObjList = 0;
curObj = 0;
if (yyparse() != 0)
return 0;
finiLex();
return vObjList;
}
/*--------------------------------------------*/
DLLEXPORT(VObject*) Parse_MIME(const char *input, unsigned long len)
{
initLex(input, len, 0);
return Parse_MIMEHelper();
}
#if INCLUDEMFC
DLLEXPORT(VObject*) Parse_MIME_FromFile(CFile *file)
{
unsigned long startPos;
VObject *result;
initLex(0,-1,file);
startPos = file->GetPosition();
if (!(result = Parse_MIMEHelper()))
file->Seek(startPos, CFile::begin);
return result;
}
#else
VObject* Parse_MIME_FromFile(FILE *file)
{
VObject *result;
|