int CStdInStream::GetChar()
{
int c = getc(_stream);
if(c == EOF && !Eof())
throw kReadErrorMessage;
return c;
}
void LcfReader::SkipDebug(const struct LcfReader::Chunk& chunk_info, const char* srcfile) {
// Dump the Chunk Data in Debug Mode
#ifdef _WIN32
const char* srcfilename = strrchr(srcfile, '\\');
#else
const char* srcfilename = strrchr(srcfile, '/');
#endif
if (srcfilename == NULL) {
srcfilename = srcfile;
} else {
srcfilename++;
}
fprintf(stderr, "Skipped Chunk %02X (%d byte) in lcf at %X (%s)\n",
chunk_info.ID, chunk_info.length, Tell(),
srcfilename);
for (uint32_t i = 0; i < chunk_info.length; ++i) {
uint8_t byte;
LcfReader::Read(byte);
fprintf(stderr, "%02X ", byte);
if ((i+1) % 16 == 0) {
fprintf(stderr, "\n");
}
if (Eof()) {
break;
}
}
fprintf(stderr, "\n");
}
bool wxPipeInputStream::CanRead() const
{
if ( m_lasterror == wxSTREAM_EOF )
return false;
// check if there is any input available
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
const int fd = m_file->fd();
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(fd, &readfds);
switch ( select(fd + 1, &readfds, NULL, NULL, &tv) )
{
case -1:
wxLogSysError(_("Impossible to get child process input"));
// fall through
case 0:
return false;
default:
wxFAIL_MSG(_T("unexpected select() return value"));
// still fall through
case 1:
// input available -- or maybe not, as select() returns 1 when a
// read() will complete without delay, but it could still not read
// anything
return !Eof();
}
}
void ASNLexer::LookupTag(void)
{
while ( true ) {
char c = Char();
switch ( c ) {
case '\r':
case '\n':
LexerWarning("unclosed tag", 11);
return;
case 0:
if ( Eof() ) {
LexerWarning("unclosed tag", 12);
return;
}
AddChar();
LexerWarning("illegal character in tag", 13);
break;
case ']':
AddChar();
return;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
// case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
AddChar();
break;
default:
AddChar();
LexerWarning("illegal character in tag", 14);
break;
}
}
}
int CStdInStream::GetChar()
{
int c = fgetc(_stream); // getc() doesn't work in BeOS?
if (c == EOF && !Eof())
throw kReadErrorMessage;
return c;
}
void ASNLexer::SkipComment(void)
{
CComment& comment = AddComment();
while ( true ) {
// wait for end of comments
char c = Char();
switch ( c ) {
case '\n':
SkipChar();
NextLine();
return;
case 0:
if ( Eof() )
return;
break;
case '-':
if ( Char(1) == '-' ) {
SkipChars(2);
return;
}
break;
case '*':
if ( Char(1) == '/' ) {
SkipChars(2);
return;
}
break;
}
comment.AddChar(c);
SkipChar();
}
}
TStr THttpLx::GetRespReasonPhrase(){
GetLws();
TChA RPStr;
while (!Eof()&&ChDef.IsText(Ch)&&(Ch!=TCh::CrCh)&&(Ch!=TCh::LfCh)){
RPStr+=Ch; GetCh();}
return RPStr;
}
void ImageSectionsReader::Next(void)
{
if(Eof()) return;
m_SectionsLeft--;
m_Section = (PIMAGE_SECTION_HEADER) PtrFromRva( m_Section, sizeof(IMAGE_SECTION_HEADER) );
}
wxArrayString CTextFile::ReadLines(EReadTextFile flags, const wxMBConv& conv)
{
wxArrayString lines;
while (!Eof()) {
wxString line = GetNextLine(conv);
if (flags & txtStripWhitespace) {
line = line.Strip(wxString::both);
}
if (flags & txtIgnoreEmptyLines) {
if (line.IsEmpty()) {
continue;
}
}
if (flags & txtIgnoreComments) {
if (flags & txtStripWhitespace) {
if (line.StartsWith(wxT("#"))) {
continue;
}
} else if (line.Strip(wxString::leading).StartsWith(wxT("#"))) {
continue;
}
}
lines.Add(line);
}
return lines;
}
bool CFCMReadFile::ParsingTextFile(CString szDelimiter)
{
if(!IsOpen())
{
return false;
}
CString szLine;
ResetData();
// m_nCols = GetNumberColums(szDelimiter);
m_nCols = GetNumberColumsMulti(szDelimiter);
while(!Eof())
{
if(ReadLine(szLine))
{
if (!szLine.IsEmpty()) {
++m_nRows;
//ParsingLine(szLine, szDelimiter);
ParsingLineMulti(szLine, szDelimiter);
}
}
};
return true;
}
TStr THttpLx::GetUrlStr(){
TChA UrlChA;
while ((!Eof())&&(!ChDef.IsSp(Ch))){
UrlChA+=Ch; GetCh();}
if (UrlChA.Empty()){
throw THttpEx(heUrlEmpty);}
return UrlChA;
}
void ImageSectionsReader::Next(DWORD characteristicsFilter)
{
for(;!Eof();Next())
{
if(characteristicsFilter == (m_Section->Characteristics & characteristicsFilter))
break;
}
}
int FileStream::ReadLine(void * data, int maxsize)
{
char * buf = (char *)data;
int size = 0;
if (!Eof())
{
char c = 0;
while (size < maxsize && c != '\n' && !Eof())
{
mFile.Read(&c, sizeof(char), 1);
buf[size++] = c;
}
}
return size;
}
int FileStream::SkipLine()
{
int size = 0;
if (!Eof())
{
char c;
mFile.Read(&c, sizeof(char), 1);
while (c != '\n' && !Eof())
{
++size;
}
}
return size;
}
// Plain text, up until an angled bracket
bool wxSimpleHtmlParser::ParseText(wxString& text)
{
while (!Eof() && GetChar(m_pos) != wxT('<'))
{
text += GetChar(m_pos);
m_pos ++;
}
return TRUE;
}
char InSituStringStream::GetClear()
{
// get the character and then clear value
if (Eof())
return 0;
char value = *src_;
*src_++ = 0;
return value;
}
bool TSIn::GetNextLn(TChA& LnChA){
LnChA.Clr();
while (!Eof()){
const char Ch=GetCh();
if (Ch=='\n'){return true;}
if (Ch=='\r' && PeekCh()=='\n'){GetCh(); return true;}
LnChA.AddCh(Ch);
}
return !LnChA.Empty();
}
bool wxSimpleHtmlParser::ParseAttributes(wxSimpleHtmlTag* tag)
{
// Parse attributes of a tag header until we reach >
while (!IsTagEndBracket(GetChar(m_pos)) && !Eof())
{
EatWhitespace();
wxString attrName, attrValue;
if (IsString())
{
ReadString(attrName, TRUE);
tag->AppendAttribute(attrName, wxEmptyString);
}
else if (IsNumeric(GetChar(m_pos)))
{
ReadNumber(attrName, TRUE);
tag->AppendAttribute(attrName, wxEmptyString);
}
else
{
// Try to read an attribute name/value pair, or at least a name
// without the value
ReadLiteral(attrName, TRUE);
EatWhitespace();
if (GetChar(m_pos) == wxT('='))
{
m_pos ++;
EatWhitespace();
if (IsString())
ReadString(attrValue, TRUE);
else if (!Eof() && !IsTagEndBracket(GetChar(m_pos)))
ReadLiteral(attrValue, TRUE);
}
if (!attrName.IsEmpty())
tag->AppendAttribute(attrName, attrValue);
}
}
return TRUE;
}
char ReadFileStream::Get()
{
char c = *current_;
if (!Eof())
{
current_++;
count_++;
Read();
}
return c;
}
THttpRqMethod THttpLx::GetRqMethod(){
TChA MethodNm;
while (!Eof() && ChDef.IsAlpha(Ch)){
MethodNm+=Ch; GetCh();}
THttpRqMethod Method=hrmUndef;
if (MethodNm==THttp::GetMethodNm){Method=hrmGet;}
else if (MethodNm==THttp::HeadMethodNm){Method=hrmHead;}
else if (MethodNm==THttp::PostMethodNm){Method=hrmPost;}
if (Method==hrmUndef){throw THttpEx(heMethodNmExpected);}
return Method;
}
PUrl THttpLx::GetUrl(){
TChA UrlChA;
while ((!Eof())&&(!ChDef.IsSp(Ch))){
UrlChA+=Ch; GetCh();}
if (UrlChA.Empty()){
throw THttpEx(heUrlEmpty);}
static TStr LocalBaseUrlStr="http://localhost/";
PUrl Url=PUrl(new TUrl(UrlChA, LocalBaseUrlStr));
if (!Url->IsOk()){
throw THttpEx(heBadUrl);}
return Url;
}
bool wxSimpleHtmlParser::ParseComment()
{
// Eat the comment tag start
Matches(wxT("<!--"), TRUE);
while (!Eof() && !Matches(wxT("-->"), TRUE))
{
m_pos ++;
}
return TRUE;
}
inline int64_t Barrier::wait_for (int64_t pos) const
{
if (last_min_ > pos) {
return last_min_;
}
int64_t min_pos = kMaxInt64Value;
for (auto itr = limit_seq_.begin (); itr != limit_seq_.end (); ++itr) {
int64_t itr_pos = 0;
itr_pos = (*itr)->pos().aquire();
// spin for a bit
for (int i = 0; itr_pos < pos && i < 1000; ++i) {
itr_pos = (*itr)->pos().aquire();
if ((*itr)->pos().alert()) break;
}
// yield for a while, queue slowing down
for (int y = 0; itr_pos < pos && y < 1000; ++y) {
usleep(0);
itr_pos = (*itr)->pos().aquire();
if ((*itr)->pos().alert()) break;
}
// queue stalled, don't peg the CPU but don't wait too long either...
while (itr_pos < pos) {
usleep (10 * 1000); // 10ms
itr_pos = (*itr)->pos ().aquire ();
if ((*itr)->pos ().alert ()) break;
}
if ((*itr)->pos ().alert ()) {
(*itr)->check_alert ();
if (itr_pos > pos) {
// process everything up to itr_pos
return itr_pos - 1;
} else {
throw Eof();
}
}
if (itr_pos < min_pos) {
min_pos = itr_pos;
}
}
assert (min_pos != kMaxInt64Value);
return last_min_ = min_pos;
}
// Could be number, string, whatever, but read up until whitespace or end of tag (but not a quoted string)
bool wxSimpleHtmlParser::ReadLiteral(wxString& str, bool eatIt)
{
int pos = m_pos;
while (!Eof(pos) && !IsWhitespace(GetChar(pos)) && !IsTagEndBracket(GetChar(pos)) && GetChar(pos) != wxT('='))
{
str += GetChar(pos);
pos ++;
}
if (eatIt)
m_pos = pos;
return TRUE;
}
void SNetStorageObjectImpl::Read(string* data)
{
char buffer[READ_CHUNK_SIZE];
data->resize(0);
size_t bytes_read;
do {
Read(buffer, sizeof(buffer), &bytes_read);
data->append(buffer, bytes_read);
} while (!Eof());
Close();
}
size_t LcfReader::Read0(void *ptr, size_t size, size_t nmemb) {
if (size == 0) { //avoid division by 0
return 0;
}
//Read nmemb elements of size and return the number of read elements
stream.read(reinterpret_cast<char*>(ptr), size*nmemb);
size_t result = stream.gcount() / size;
#ifdef NDEBUG
if (result != nmemb && !Eof()) {
perror("Reading error: ");
}
#endif
return result;
}
TToken ASNLexer::LookupBinHexString(void)
{
TToken token = T_BINARY_STRING;
while ( true ) {
char c = Char();
switch ( c ) {
case '\r':
case '\n':
LexerWarning("unclosed bit string", 5);
return token;
case 0:
if ( Eof() ) {
LexerWarning("unclosed bit string", 6);
return token;
}
AddChar();
LexerWarning("illegal character in bit string", 7);
break;
case '0':
case '1':
AddChar();
break;
case '2': case '3': case '4': case '5': case '6': case '7': case '8':
case '9': case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
AddChar();
token = T_HEXADECIMAL_STRING;
break;
case '\'':
switch ( Char(1) ) {
case 'B':
AddChars(2);
if ( token != T_BINARY_STRING )
LexerWarning("binary string contains hexadecimal digits", 8);
return T_BINARY_STRING;
case 'H':
AddChars(2);
return T_HEXADECIMAL_STRING;
default:
AddChar();
LexerWarning("unknown type of bit string", 9);
return token;
}
default:
AddChar();
LexerWarning("illegal character in bit string", 10);
break;
}
}
}
// Sets BfN to the end of line or end of buffer. Reads more data, if needed.
// Returns 1, when an end of line was found, BfN is end of line.
// Returns 0, when an end of line was not found and more data is required,
// BfN is end of buffer.
// Returns -1, when an end of file was found, BfN is not defined.
int TZipIn::FindEol(int& BfN) {
char Ch;
if (BfC >= BfL) { // check for eof, read more data
if (Eof()) { return -1; }
FillBf();
}
while (BfC < BfL) {
Ch = Bf[BfC++];
if (Ch=='\n') { BfN = BfC-1; return 1; }
if (Ch=='\r' && Bf[BfC+1]=='\n') {
BfC++; BfN = BfC-2; return 1; }
}
BfN = BfC;
return 0;
}
void CFileDataIO::Read(void *buffer, size_t count) const
{
MULE_VALIDATE_PARAMS(buffer, wxT("Attempting to write to NULL buffer."));
// Check that we read everything we wanted.
if (doRead(buffer, count) == (signed)count) {
return;
}
// To reduce potential system calls, we only do EOF checks when reads fail.
if (Eof()) {
throw CEOFException(wxT("Attempt to read past end of file."));
} else {
throw CIOFailureException(wxT("Read error, failed to read from file."));
}
}
size_t ReadFileStream::Read(char* ptr, size_t length)
{
size_t bytesRead = 0;
while ((length > 0) && !Eof())
{
// copy up to the available data in the buffer
size_t availBytes = std::min(static_cast<size_t>(bufferLast_ - current_), length);
memcpy(ptr, current_, availBytes);
length -= availBytes;
ptr += availBytes;
current_ += availBytes;
bytesRead += availBytes;
// get more data
Read();
}
count_ += bytesRead;
return bytesRead;
}
