void CVolume::NormalizeLabel(CString& strLabel)
{
if (!ValidateLabel(strLabel)) return;
strLabel.MakeUpper();
if (strLabel.GetLength() == 2)
strLabel += _T("\\");
else if (strLabel.GetLength() == 1)
strLabel += _T(":\\");
}
BOOL CVolume::SetVolume(const CString& strLabel)
{
if (ValidateLabel(strLabel))
{
m_strLabel = strLabel;
NormalizeLabel(m_strLabel);
return TRUE;
}
else
{
m_strLabel.Empty();
return FALSE;
}
}
/* Returns true if the parsing covered the whole input. */
bool ParseFirstPart()
{
char *entryOrExternStart;
if (NULL == part)
return true;
/* check for comment, assuming that a commented line must starts with a comment char */
if (strchr(part, COMMENT_CHAR) == part)
return true;
/* check for label */
if (ValidateLabel(part, LABEL_END_CHAR, true, true, labelName) > ZERO && labelName != NULL)
{
isLabel = true;
return false;
}
else if (strstr(part, DATA_DEFINITION) != NULL)
{ /* data array without a label */
ParseDataArray();
return true;
}
else if (strstr(part, STRING_DEFINITION) != NULL)
{ /* string definition without a label */
ParseStringDefinition();
return true;
}
/* TODO: deal with .entry and .extern - NO LABEL ALLOWED PRIOR ! ! ! */
else if ((entryOrExternStart = strstr(part, EXTERN_DEFINITION)) != NULL)
{
if (!AddEntryOrExtern(false, entryOrExternStart))
return false;
return true;
}
else if ((entryOrExternStart = strstr(part, ENTRY_DEFINITION)) != NULL)
{
if (!AddEntryOrExtern(true, entryOrExternStart))
return false;
return true;
}
else if (!TranslateInstruction())
{
char *lastError = GetLastError();
SYNTAX_ASSERT(strcmp(lastError, EMPTY_STRING) == ZERO, lastError);
SetLastError(EMPTY_STRING);
return false;
}
return true;
}
bool AddEntryOrExtern(bool entry, char *start)
{
char *actual;
size_t size;
start += strlen(entry ? ENTRY_DEFINITION : EXTERN_DEFINITION) + 1;
if ((actual = strpbrk(start, ABC)) == NULL)
{
SYNTAX_ASSERT(false, entry ? ENTRY_EXPECTING_LABEL : EXTERN_EXPECTING_LABEL);
return false;
}
label = alloc(sizeof(label_type));
if ((size = ValidateLabel(actual, LINE_TERMINATION_CHAR, true, false, label->Name)) == ZERO)
return false;
if (NULL != strtok(actual + strlen(label->Name), IGNORED_DELIMITERS))
{
SYNTAX_ASSERT(false, entry ? ENTRY_NOT_EXPECTING_MORE : EXTERN_NOT_EXPECTING_MORE);
return false;
}
if (entry)
{
ASSERT(entryCount < MAX_ENTRIES, ENTRY_EXCEEDED_MAX);
entries[entryCount] = label;
entryCount++;
}
else
{
ASSERT(externCount < MAX_EXTERNS, EXTERN_EXCEEDED_MAX);
externs[externCount] = label;
externCount++;
}
return true;
}
