void ParserThread::HandleForWhile()
{
SymbolKind id;
Token * tok = ConsumeToken(); //eat for or while key word
id = (tok->type_id()==TKN_FOR)? tkFor:tkWhile;
Symbol * sym = DoAddToken(id,*tok);
ConsumeToken(); //eat the left parenthesis
PushContext(); //save the old context
m_Context.parentToken=sym;
DoParse(); // do a parse, and should returned on an unbalanced right parenthesis
PopContext(); // restore the old context
tok = PeekToken();
if(tok->type_id()==TKN_L_BRACE)
{
ConsumeToken(); //eat {
PushContext(); //save the old context
m_Context.parentToken=sym;
DoParse(); // do a parse, and should returned on an unbalanced right brace
PopContext(); // restore the old context
}
else
SkipStatementBlock();
}
// Parse a single resource
bool XML_ResourceFork::ParseResource(ResType Type, short ID)
{
ResourceHandle = Get1Resource(Type,ID);
if (ResourceHandle == NULL) {
return false;
}
HLock(ResourceHandle);
if (!DoParse()) {
const char *Name = SourceName ? SourceName : "[]";
#ifdef TARGET_API_MAC_CARBON
csprintf(
temporary,
"There were configuration-file parsing errors in resource %hd of object %s",
ID,Name);
SimpleAlert(kAlertStopAlert,temporary);
#else
psprintf(
ptemporary,
"There were configuration-file parsing errors in resource %hd of object %s",
ID,Name);
ParamText(ptemporary,0,0,0);
Alert(FatalErrorAlert,NULL);
#endif
ExitToShell();
}
HUnlock(ResourceHandle);
ReleaseResource(ResourceHandle);
return true;
}
bool PluginLoader::ParsePlugin(FileSpecifier& file_name)
{
OpenedFile file;
if (file_name.Open(file)) {
int32 data_size;
file.GetLength(data_size);
m_data.resize(data_size);
if (file.Read(data_size, &m_data[0])) {
file_name.ToDirectory(current_plugin_directory);
char name[256];
current_plugin_directory.GetName(name);
m_name = name;
if (!DoParse()) {
logError1("There were parsing errors in %s Plugin.xml\n", m_name.c_str());
}
}
m_data.clear();
return true;
}
return false;
}
void ParserThread::HandleNamespace()
{
ConsumeToken();
Token *pk = PeekToken();
Token name;
if(pk->type_id()==TKN_IDENTIFIER)
{
name = *pk;
ConsumeToken();
}
else
{
//un-named namespace
}
pk = PeekToken();
if(pk->type_id()==TKN_L_BRACE)
{
ConsumeToken();
Symbol * sym = DoAddToken(tkNamespace,name);
PushContext();
m_Context.parentToken = sym;
DoParse();
PopContext();
TRACE("end of namespace\n");
}
}
bool XML_Loader_SDL::ParseFile(FileSpecifier &file_name)
{
// Open file
OpenedFile file;
if (file_name.Open(file)) {
printf ( "Parsing: %s\n", file_name.GetPath() );
// Get file size and allocate buffer
file.GetLength(data_size);
data = new char[data_size];
// In case there were errors...
file_name.GetName(FileName);
// Read and parse file
if (file.Read(data_size, data)) {
if (!DoParse()) {
fprintf(stderr, "There were parsing errors in configuration file %s\n",
FileName);
}
}
// Delete buffer
delete[] data;
data = NULL;
return true;
} else {
printf ( "Couldn't open: %s\n", file_name.GetPath() );
}
return false;
}
GRAPHDB_API bool LoadDOT(IGraph * graph, const std::string & dot)
{
AttrMap attrs;
CGraphvizVisitor visitor(graph, false);
DoParse(dot.c_str(), &visitor);
visitor.ProcessEdges();
return true;
}
void ParserThread::HandleFunction()
{
//TRACE("HandleFunction() : %s %s()",m_Context.type.back().name.get_text().c_str(),name.c_str());
// should always at the ( , so we firstly read the parentheses
if(m_Context.nameQueue.size()==0)
{
m_Context.nameQueue = m_Context.typeQueue;
m_Context.typeQueue.clear();
}
Symbol * sym = DoAddToken(tkFunction, m_Context.nameQueue.back().name);
ArgumentList args;
ReadFunctionArguments(args);
Token * peek = PeekToken();
if(peek->type_id() == TKN_CONST)
ConsumeToken();
// skip the member initialization list
if(PeekToken()->type_id() == TKN_COLON)
{
ConsumeToken();
while(true)
{
if(PeekToken()->type_id()!=TKN_L_BRACE)
ConsumeToken();
else
break;
}
}
peek = PeekToken();
if (peek->type_id() == TKN_L_BRACE) // function definition
{
TRACE("Function definition");
//SkipBrace();
ConsumeToken();
//Symbol * sym = DoAddToken(tkFunction, m_Context.nameQueue.back().name);
PushContext();
m_Context.parentToken = sym;
DoParse();
PopContext();
}
else if (peek->type_id() == TKN_SEMICOLON)
{
TRACE("Function declaration");
//DoAddToken(tkFunction, m_Context.nameQueue.back().name);
//newToken->m_Args = args;
ConsumeToken();
}
m_Context.EndStatement();
}
//void Conv2Bin()
void Conv2Bin(char *ifname,char *ofname)
{
// char *ifname = "D:\\falcon4\\TOOLS\\tacref\\tacrefdb.txt";
// char *ofname = "D:\\falcon4\\TOOLS\\tacref\\tacrefdb.bin";
long bytesread;
ifh = _open( ifname, _O_BINARY|_O_RDONLY );
if( ifh == -1 ) {
printf("Error: can't open input file (%s)\n",ifname);
return; // Error
}
//DrawText( gblhdc, "File Opened for Reading!", -1, &gblrect, DT_SINGLELINE);
ofh = _open( ofname, _O_TRUNC|_O_CREAT|_O_BINARY|_O_WRONLY, _S_IREAD|_S_IWRITE );
if( ofh == -1 ) {
if ( ifh ) _close ( ifh );
printf("Can't create output file (%s)\n",ofname);
return;
}
// Get file length
flen = _filelength( ifh );
/* Allocate space for dumping database file */
trdata = NULL;
trdata = (char *) malloc( flen );
if( !trdata ) {
// Error, printf( "Insufficient memory !\n" );
if ( ifh ) _close ( ifh );
if ( ofh ) _close ( ofh );
return;
}
// reads in the database file
if (( bytesread = (long) _read( ifh, trdata, flen )) <= 0 ) {
// Error, perror( "Problem reading file" );
if ( ifh ) _close ( ifh );
if ( ofh ) _close ( ofh );
if ( trdata ) { free( trdata ); trdata = NULL; }
return;
}
startdata = trdata;
endingdata = startdata+flen;
trdata = SkipJunk( trdata );
startentity = trdata;
InitVar();
// Conversion
DoParse();
_close( ifh );
_close( ofh );
DrawText( gblhdc, "Both files are Closed ! ", -1, &gblrect, DT_SINGLELINE);
free( startdata );
}
Anything GenericXMLParser::Parse(std::istream &reader, const char *filename, long startline, Allocator *a)
{
StartTrace(GenericXMLParser.Parse);
fReader = &reader;
fFileName = filename;
fLine = startline;
fParseTree = Anything();
fParseTree.SetAllocator(a);
DoParse("", fParseTree);
return fParseTree;
}
void ParserThread::ReadFunctionArguments(ArgumentList &args)
{
//TKN_L_PAREN
args.clear();
ConsumeToken();//remove the first TKN_L_PAREN
PushContext();
m_Context.parseType = FunctionParameter;
DoParse();
PopContext();
}
bool ParserThread::Parse()
{
TRACE("Start parsing!...................");
m_Context.inTypedef = false;
m_Context.parentToken = 0;
m_Context.parseType = Normal;
try
{
DoParse();
}
catch(ParserException& e)
{
TRACE("Parse(): End of file");
}
m_SymbolTree.Dump();
cc_string statement = "aaa.bbb.ccc";
//StatementSolver state(statement,&m_SymbolTree);
return true;
}
// Simple recursive parser for ASN1 BER.
MHParseNode *MHParseBinary::DoParse()
{
unsigned char ch;
// Tag class
enum { Universal, Context/*, Pseudo*/ } tagClass = Universal;
// Byte count of end of this item. Set to INDEFINITE_LENGTH if the length is Indefinite.
int endOfItem;
unsigned int tagNumber = 0;
// Read the first character.
ch = GetNextChar();
// ASN1 Coding rules: Top two bits (0 and 1) indicate the tag class.
// 0x00 - Universal, 0x40 - Application, 0x80 - Context-specific, 0xC0 - Private
// We only use Universal and Context.
switch (ch & 0xC0)
{
case 0x00: // Universal
tagClass = Universal;
break;
case 0x80:
tagClass = Context;
break;
default:
MHERROR(QString("Invalid tag class = %1").arg(ch, 0, 16));
}
// Bit 2 indicates whether it is a simple or compound type. Not used.
// Lower bits are the tag number.
tagNumber = ch & 0x1f;
if (tagNumber == 0x1f) // Except that if it is 0x1F then the tag is encoded in the following bytes.
{
tagNumber = 0;
do
{
ch = GetNextChar();
tagNumber = (tagNumber << 7) | (ch & 0x7f);
}
while (ch & 0x80); // Top bit set means there's more to come.
}
// Next byte is the length. If it is less than 128 it is the actual length, otherwise it
// gives the number of bytes containing the length, except that if this is zero the item
// has an "indefinite" length and is terminated by two zero bytes.
ch = GetNextChar();
if (ch & 0x80)
{
int lengthOfLength = ch & 0x7f;
if (lengthOfLength == 0)
{
endOfItem = INDEFINITE_LENGTH;
}
else
{
endOfItem = 0;
while (lengthOfLength--)
{
ch = GetNextChar();
endOfItem = (endOfItem << 8) | ch;
}
endOfItem += m_p;
}
}
else
{
endOfItem = ch + m_p;
}
if (tagClass == Context)
{
MHPTagged *pNode = new MHPTagged(tagNumber);
try
{
// The argument here depends on the particular tag we're processing.
switch (tagNumber)
{
case C_MULTIPLE_SELECTION:
case C_OBSCURED_INPUT:
case C_INITIALLY_AVAILABLE:
case C_WRAP_AROUND:
case C_TEXT_WRAPPING:
case C_INITIALLY_ACTIVE:
case C_MOVING_CURSOR:
case C_SHARED:
case C_ENGINE_RESP:
case C_TILING:
case C_BORDERED_BOUNDING_BOX:
{
// BOOL
// If there is no argument we need to indicate that so that it gets
// the correct default value.
if (m_p != endOfItem)
{
int intVal = ParseInt(endOfItem); // May raise an exception
pNode->AddArg(new MHPBool(intVal != 0));
}
break;
}
case C_INPUT_TYPE:
case C_SLIDER_STYLE:
case C_TERMINATION:
case C_ORIENTATION:
case C_HORIZONTAL_JUSTIFICATION:
case C_BUTTON_STYLE:
case C_START_CORNER:
case C_LINE_ORIENTATION:
case C_VERTICAL_JUSTIFICATION:
case C_STORAGE:
{
// ENUM
if (m_p != endOfItem)
{
int intVal = ParseInt(endOfItem); // May raise an exception
pNode->AddArg(new MHPEnum(intVal));
}
break;
}
case C_INITIAL_PORTION:
case C_STEP_SIZE:
case C_INPUT_EVENT_REGISTER:
case C_INITIAL_VALUE:
case C_IP_CONTENT_HOOK:
case C_MAX_VALUE:
case C_MIN_VALUE:
case C_LINE_ART_CONTENT_HOOK:
case C_BITMAP_CONTENT_HOOK:
case C_TEXT_CONTENT_HOOK:
case C_STREAM_CONTENT_HOOK:
case C_MAX_LENGTH:
case C_CHARACTER_SET:
case C_ORIGINAL_TRANSPARENCY:
case C_ORIGINAL_GC_PRIORITY:
case C_LOOPING:
case C_ORIGINAL_LINE_STYLE:
case C_STANDARD_VERSION:
case C_ORIGINAL_LINE_WIDTH:
case C_CONTENT_HOOK:
case C_CONTENT_CACHE_PRIORITY:
case C_COMPONENT_TAG:
case C_ORIGINAL_VOLUME:
case C_PROGRAM_CONNECTION_TAG:
case C_CONTENT_SIZE:
{
// INT
if (m_p != endOfItem)
{
int intVal = ParseInt(endOfItem); // May raise an exception
pNode->AddArg(new MHPInt(intVal));
}
break;
}
case C_OBJECT_INFORMATION:
case C_CONTENT_REFERENCE:
case C_FONT_ATTRIBUTES:
case C_CHAR_LIST:
case C_NAME:
case C_ORIGINAL_LABEL:
{
// STRING
// Unlike INT, BOOL and ENUM we can't distinguish an empty string
// from a missing string.
MHOctetString str;
ParseString(endOfItem, str);
pNode->AddArg(new MHPString(str));
break;
}
default:
{
// Everything else has either no argument or is self-describing
// TODO: Handle indefinite length.
if (endOfItem == INDEFINITE_LENGTH)
{
MHERROR("Indefinite length arguments are not implemented");
}
while (m_p < endOfItem)
{
pNode->AddArg(DoParse());
}
}
}
}
catch (...)
{
// Memory clean-up
delete pNode;
throw;
}
return pNode;
}
else // Universal - i.e. a primitive type.
{
// Tag values
switch (tagNumber)
{
case U_BOOL: // Boolean
{
int intVal = ParseInt(endOfItem);
return new MHPBool(intVal != 0);
}
case U_INT: // Integer
{
int intVal = ParseInt(endOfItem);
return new MHPInt(intVal);
}
case U_ENUM: // ENUM
{
int intVal = ParseInt(endOfItem);
return new MHPEnum(intVal);
}
case U_STRING: // String
{
MHOctetString str;
ParseString(endOfItem, str);
return new MHPString(str);
}
case U_NULL: // ASN1 NULL
{
return new MHPNull;
}
case U_SEQUENCE: // Sequence
{
MHParseSequence *pNode = new MHParseSequence();
if (endOfItem == INDEFINITE_LENGTH)
{
MHERROR("Indefinite length sequences are not implemented");
}
try
{
while (m_p < endOfItem)
{
pNode->Append(DoParse());
}
}
catch (...)
{
// Memory clean-up if error.
delete pNode;
throw;
}
return pNode;
}
default:
MHERROR(QString("Unknown universal %1").arg(tagNumber));
}
}
}
clCommandLineParser::clCommandLineParser(const wxString& str, size_t flags)
: m_commandline(str)
, m_flags(flags)
{
DoParse();
}
//************************************************************************************
void CBCGPOutlineParser::UpdateOutlining (CString& strBuffer, int nOffsetFrom, int nCharsCount,
CBCGPOutlineNode* pOutlineNode, BCGP_EDIT_OUTLINE_CHANGES& changes)
{
ASSERT_VALID (this);
ASSERT (nOffsetFrom >= 0);
ASSERT (nCharsCount >= 0);
ASSERT (nOffsetFrom + nCharsCount <= strBuffer.GetLength ());
ASSERT_VALID (pOutlineNode);
int nStartOffset = nOffsetFrom;
int nEndOffset = nOffsetFrom + nCharsCount - 1;
CBCGPOutlineNode* pChangedNode = GetRangeToReparse (pOutlineNode, nStartOffset, nEndOffset);
nStartOffset = max (0, nStartOffset);
nEndOffset = min (strBuffer.GetLength () - 1, nEndOffset);
if (nStartOffset > nEndOffset)
{
return; // no reparse needed
}
changes.m_nStartOffset = min (nStartOffset, changes.m_nStartOffset);
changes.m_nEndOffset = max (nEndOffset, changes.m_nEndOffset);
// --------------------------------------------------------------
// 1) Parse text and find new blocks and part of blocks (markers)
// --------------------------------------------------------------
CObList lstBlocks;
DoParse (strBuffer, nStartOffset, nEndOffset, lstBlocks);
// ----------------------------------------------------------
// Reparse text once more
// if parser found blocks that are greater then parsing range
// ----------------------------------------------------------
int nMin = nStartOffset, nMax = nEndOffset;
CalcMinMaxBounds (lstBlocks, nMin, nMax);
if (nMin < nStartOffset || nMax > nEndOffset)
{
nStartOffset = min (nMin, nStartOffset);
nEndOffset = max (nMax, nEndOffset);
pChangedNode = GetRangeToReparse (pOutlineNode, nStartOffset, nEndOffset);
nStartOffset = max (0, nStartOffset);
nEndOffset = min (strBuffer.GetLength () - 1, nEndOffset);
changes.m_nStartOffset = min (nStartOffset, changes.m_nStartOffset);
changes.m_nEndOffset = max (nEndOffset, changes.m_nEndOffset);
while (!lstBlocks.IsEmpty ())
{
delete lstBlocks.RemoveTail ();
}
DoParse (strBuffer, nStartOffset, nEndOffset, lstBlocks);
}
// Update name offsets, start offsets and end offsets:
DoUpdateOffsets (strBuffer, nStartOffset, nEndOffset, lstBlocks);
// ------------------------
// Reconstruct outline tree
// ------------------------
// 2) Del old blocks
pOutlineNode->DeleteBlocksInRange (nStartOffset, nEndOffset, changes); // do not remove user blocks
for (POSITION pos = lstBlocks.GetHeadPosition (); pos != NULL; )
{
POSITION posSave = pos;
CBCGPOutlineNode* pNode = (CBCGPOutlineNode*) lstBlocks.GetNext (pos);
ASSERT_VALID (pNode);
BlockType* pBlockType = m_arrBlockTypes [pNode->m_nBlockType];
if (pBlockType != NULL && !pBlockType->m_bIgnore)
{
if ((pNode->m_dwFlags & g_dwOBFComplete) != 0)
{
// 3) Add new blocks
AddNode (pNode, pOutlineNode, changes);
}
else if ((pNode->m_dwFlags & g_dwOBFLeft) != 0 ||
(pNode->m_dwFlags & g_dwOBFRight) != 0)
{
// it's possible that pChangedNode was removed from outline tree
POSITION posChangedNode = changes.m_lstRemoved.Find (pChangedNode);
if (posChangedNode != NULL)
{
if ((pNode->m_dwFlags & g_dwOBFLeft) != 0)
{
pChangedNode = pOutlineNode->GetInnermostBlock (pNode->m_nStart);
}
else if ((pNode->m_dwFlags & g_dwOBFRight) != 0)
{
pChangedNode = pOutlineNode->GetInnermostBlock (pNode->m_nEnd);
}
if (pChangedNode == NULL)
{
pChangedNode = pOutlineNode;
}
}
ASSERT_VALID (pChangedNode);
// 4) Reconstruct outline tree (add new markers)
if (!AddMarker (pNode, pChangedNode, changes))
{
lstBlocks.RemoveAt (posSave);
delete pNode; // to prevent memory leak
}
}
}
else
{
// delete temporary blocks:
lstBlocks.RemoveAt (posSave);
delete pNode;
}
}
}
// Run the parser
MHParseNode *MHParseText::Parse()
{
GetNextChar(); // Initialise m_ch
NextSym(); // Initialise the symbol values.
return DoParse();
}
MHParseNode *MHParseText::DoParse()
{
MHParseNode *pRes = NULL;
try {
switch (m_nType) {
case PTStartSection: // Open curly bracket
{
NextSym();
// Should be followed by a tag.
if (m_nType != PTTag) Error("Expected ':' after '{'");
MHPTagged *pTag = new MHPTagged(m_nTag);
pRes = pTag;
NextSym();
while (m_nType != PTEndSection) {
pTag->AddArg(DoParse());
}
NextSym(); // Remove the close curly bracket.
break;
}
case PTTag: // Tag on its own.
{
int nTag = m_nTag;
MHPTagged *pTag = new MHPTagged(nTag);
pRes = pTag;
NextSym();
switch (nTag) {
case C_ITEMS:
case C_LINK_EFFECT:
case C_ACTIVATE:
case C_ADD:
case C_ADD_ITEM:
case C_APPEND:
case C_BRING_TO_FRONT:
case C_CALL:
case C_CALL_ACTION_SLOT:
case C_CLEAR:
case C_CLONE:
case C_CLOSE_CONNECTION:
case C_DEACTIVATE:
case C_DEL_ITEM:
case C_DESELECT:
case C_DESELECT_ITEM:
case C_DIVIDE:
case C_DRAW_ARC:
case C_DRAW_LINE:
case C_DRAW_OVAL:
case C_DRAW_POLYGON:
case C_DRAW_POLYLINE:
case C_DRAW_RECTANGLE:
case C_DRAW_SECTOR:
case C_FORK:
case C_GET_AVAILABILITY_STATUS:
case C_GET_BOX_SIZE:
case C_GET_CELL_ITEM:
case C_GET_CURSOR_POSITION:
case C_GET_ENGINE_SUPPORT:
case C_GET_ENTRY_POINT:
case C_GET_FILL_COLOUR:
case C_GET_FIRST_ITEM:
case C_GET_HIGHLIGHT_STATUS:
case C_GET_INTERACTION_STATUS:
case C_GET_ITEM_STATUS:
case C_GET_LABEL:
case C_GET_LAST_ANCHOR_FIRED:
case C_GET_LINE_COLOUR:
case C_GET_LINE_STYLE:
case C_GET_LINE_WIDTH:
case C_GET_LIST_ITEM:
case C_GET_LIST_SIZE:
case C_GET_OVERWRITE_MODE:
case C_GET_PORTION:
case C_GET_POSITION:
case C_GET_RUNNING_STATUS:
case C_GET_SELECTION_STATUS:
case C_GET_SLIDER_VALUE:
case C_GET_TEXT_CONTENT:
case C_GET_TEXT_DATA:
case C_GET_TOKEN_POSITION:
case C_GET_VOLUME:
case C_LAUNCH:
case C_LOCK_SCREEN:
case C_MODULO:
case C_MOVE:
case C_MOVE_TO:
case C_MULTIPLY:
case C_OPEN_CONNECTION:
case C_PRELOAD:
case C_PUT_BEFORE:
case C_PUT_BEHIND:
case C_QUIT:
case C_READ_PERSISTENT:
case C_RUN:
case C_SCALE_BITMAP:
case C_SCALE_VIDEO:
case C_SCROLL_ITEMS:
case C_SELECT:
case C_SELECT_ITEM:
case C_SEND_EVENT:
case C_SEND_TO_BACK:
case C_SET_BOX_SIZE:
case C_SET_CACHE_PRIORITY:
case C_SET_COUNTER_END_POSITION:
case C_SET_COUNTER_POSITION:
case C_SET_COUNTER_TRIGGER:
case C_SET_CURSOR_POSITION:
case C_SET_CURSOR_SHAPE:
case C_SET_DATA:
case C_SET_ENTRY_POINT:
case C_SET_FILL_COLOUR:
case C_SET_FIRST_ITEM:
case C_SET_FONT_REF:
case C_SET_HIGHLIGHT_STATUS:
case C_SET_INTERACTION_STATUS:
case C_SET_LABEL:
case C_SET_LINE_COLOUR:
case C_SET_LINE_STYLE:
case C_SET_LINE_WIDTH:
case C_SET_OVERWRITE_MODE:
case C_SET_PALETTE_REF:
case C_SET_PORTION:
case C_SET_POSITION:
case C_SET_SLIDER_VALUE:
case C_SET_SPEED:
case C_SET_TIMER:
case C_SET_TRANSPARENCY:
case C_SET_VARIABLE:
case C_SET_VOLUME:
case C_SPAWN:
case C_STEP:
case C_STOP:
case C_STORE_PERSISTENT:
case C_SUBTRACT:
case C_TEST_VARIABLE:
case C_TOGGLE:
case C_TOGGLE_ITEM:
case C_TRANSITION_TO:
case C_UNLOAD:
case C_UNLOCK_SCREEN:
case C_CONTENT_REFERENCE:
case C_TOKEN_GROUP_ITEMS:
case C_POSITIONS:
case C_MULTIPLEX:
{ // These are parenthesised in the text form. We have to remove the
// parentheses otherwise we will return a sequence which will not be
// be compatible with the binary form.
if (m_nType != PTStartSeq) Error("Expected '('");
NextSym();
while (m_nType != PTEndSeq) pTag->AddArg(DoParse());
NextSym(); // Remove the close parenthesis.
break;
}
case C_ORIGINAL_CONTENT:
case C_NEW_GENERIC_BOOLEAN:
case C_NEW_GENERIC_INTEGER:
case C_NEW_GENERIC_OCTETSTRING:
case C_NEW_GENERIC_OBJECT_REF:
case C_NEW_GENERIC_CONTENT_REF:
case C_ORIGINAL_VALUE:
// These always have an argument which may be a tagged item.
{
// Is it always the case that there is at least one argument so if we haven't
// had any arguments yet we should always process a tag as an argument?
pTag->AddArg(DoParse());
break;
}
default:
// This can be followed by an int, etc but a new tag is dealt with by the caller.
while (m_nType == PTBool ||m_nType == PTInt || m_nType == PTString || m_nType == PTEnum || m_nType == PTStartSeq) {
pTag->AddArg(DoParse());
}
}
break;
}
case PTInt:
{
pRes = new MHPInt(m_nInt);
NextSym();
break;
}
case PTBool:
{
pRes = new MHPBool(m_fBool);
NextSym();
break;
}
case PTString:
{
MHOctetString str;
str.Copy(MHOctetString((const char *)m_String, m_nStringLength));
pRes = new MHPString(str);
NextSym();
break;
}
case PTEnum:
{
pRes = new MHPEnum(m_nInt);
NextSym();
break;
}
case PTNull:
{
pRes = new MHPNull;
NextSym();
break;
}
case PTStartSeq: // Open parenthesis.
{
MHParseSequence *pSeq = new MHParseSequence;
pRes = pSeq;
NextSym();
while (m_nType != PTEndSeq) pSeq->Append(DoParse());
NextSym(); // Remove the close parenthesis.
break;
}
default:
Error("Unexpected symbol");
}
return pRes;
}
catch (...) {
delete(pRes);
throw;
}
}
void GenericXMLParser::DoParse(String theTag, Anything &tag)
{
StartTrace(GenericXMLParser.DoParse);
int c, lookahead;
Anything &tagbody = tag; // now just append, allow for different things like tagbody = tag["body"]
String reply;
while ((c = Get()) != 0 && c != EOF) {
switch (c) {
case '<':
Store(tagbody, reply);
lookahead = Peek();
switch (lookahead) {
case '!':
Store(tagbody, reply);
Store(tagbody, ParseCommentCdataOrDtd());
break;
case '/': {
Get();
String tagname = ParseName();
c = Peek();
if ('>' == c && tagname == theTag) {
Get();
return; // done
//reply.Append("</").Append(tagname).Append(char(c));
} else {
// a potential syntax error...
reply.Append("</").Append(tagname);
String msg("Unexpected character <x");
msg.AppendAsHex((unsigned char)c).Append('>');
msg.Append(" or mismatched tag: ").Append(tagname);
msg.Append(" expected: ").Append(theTag);
Error(msg);
}
break;
}
case '?': {
Store(tagbody, ParseXmlOrProcessingInstruction());
break;
}
default:
if (IsValidNameChar(lookahead)) {
String tagname;
Anything subTag;
Anything attrs;
bool hasbody = ParseTag(tagname, attrs);
subTag[tagname] = attrs;
if (hasbody) {
DoParse(tagname, subTag);
}
Store(tagbody, subTag);
//if (hasbody)
//Store (ProcessTag(tagname,attributes));
//else
//Store(RenderTagAsLiteral(tagname,attributes));
} else {
// it cannot be a tag, so just append the '<'
reply << (char)c;
}
}
break;
case '\x0D':// normalize line feeds
if ('\x0A' == Peek()) {
Get();
}
c = '\x0A' ;
// Fall Through...
default:
reply << ((char)c);
}
}
Store(tagbody, reply);
}
void ParserThread::HandleClass(EClassType ct)
{
// class xxx { or class {
// the keyworkd "class" is already comsumed
//assert(CurrentToken()->type_id()==TKN_CLASS);
ConsumeToken();
Token * current = ConsumeToken(); // class name
Token * next = PeekToken();
TRACE("HandleClass() : Found class '%s'", current->get_text().c_str() );
// Check current firstly
if (current->type_id() == TKN_L_BRACE) // unnamed class/struct/union
{
// cc_string unnamedTmp;
// unnamedTmp.Printf(_T("%s%s%d"),
// ParserConsts::unnamed.wx_str(),
// ct == ctClass ? _T("Class") :
// ct == ctUnion ? _T("Union") :
// _T("Struct"), ++m_pTokensTree->m_StructUnionUnnamedCount);
//
// Token* newToken = DoAddToken(tkClass, unnamedTmp, lineNr);
//
// PushContext();
// m_Context.Clear();
// m_Context.parentToken = newToken;
// m_Context.accessScope = ct == ctClass ? tsPrivate : tsPublic; // struct has default public scope
//
// newToken->m_ImplLine = lineNr;
// newToken->m_ImplLineStart = m_Tokenizer.GetLineNumber();
//
// DoParse();
//
// PopContext();
}
else if (current->type_id() == TKN_IDENTIFIER) //OK, we need to check the next
{
//parser base clause
if ( next->type_id() == TKN_COLON )
{
//ReadType
//ConsumeToken(); //remove :id
ConsumeToken(); //remove :
ConsumeToken(); //remove protect/public/private
//ConsumeToken(); //need to read the id
ParseFullIdentifer();
}
next = PeekToken();
if ( next->type_id() == TKN_L_BRACE) // class AAA {, we find the "{" here
{
//ParserThreadContext savedContext = m_Context;
//m_Context.EndStatement();
//m_Context.parentToken = newToken;
ConsumeToken();// consume {
Symbol * sym = DoAddToken(tkClass, *current);
PushContext();
m_Context.parentToken = sym;
DoParse(); // when meet a }, we should return from DoParse()
PopContext();
current = ConsumeToken();
if(current->type_id()==TKN_SEMICOLON) // class A {.....};
return;
else
SkipStatementBlock(); //struct A {....} a b;
}
}
else
{
// something wrong, should be skip to a semicolon
SkipStatementBlock();
}
}
