PTEXT SplitLine( PTEXT pLine, INDEX nPos )
{
PTEXT newseg, end;
if( !nPos )
{
if( PRIORLINE( pLine ) )
return PRIORLINE( pLine );
// otherwise we'll have to insert a new segment
// in front of this....
newseg = SegCreate( BUILD_LINE_OUTPUT_SIZE );
newseg->data.size = 0;
pLine->format.position.offset.spaces = 0;
SegAppend( newseg, pLine );
return newseg;
}
else if( pLine->data.size == nPos )
{
// if the point to split is not in the middle of
// this segment....
return pLine;
}
newseg = SegCreate( BUILD_LINE_OUTPUT_SIZE );
end = NEXTLINE( pLine );
SegBreak( end );
// fill in new segment with trailing data
newseg->data.size = pLine->data.size - nPos;
MemCpy( newseg->data.data, pLine->data.data + nPos, newseg->data.size );
pLine->data.size = nPos;
pLine->data.data[nPos] = 0; // terminate with null also...
SegAppend( pLine
, SegAppend( newseg, end )
);
return pLine;
}
PTEXT win_get_line(HANDLE hFile)
{
// extern HANDLE hStdin;
#define WORKSPACE 1024 // character for workspace
PTEXT workline=(PTEXT)NULL;
uint32_t length = 0;
do
{
// create a workspace to read input from the file.
workline=SegAppend(workline,SegCreate(WORKSPACE));
SetEnd( workline );
// read a line of input from the file.
if( !ReadConsole( hFile
, GetText(workline)
, WORKSPACE
, &length
, NULL) ) // if no input read.
{
if (PRIORLINE(workline)) // if we've read some.
{
PTEXT t;
workline=PRIORLINE(workline); // go back one.
SegBreak(t = NEXTLINE(workline));
LineRelease(t); // destroy the current segment.
}
else
{
LineRelease(workline); // destory only segment.
workline = NULL;
}
break; // get out of the loop- there is no more to read.
}
}
while (GetText(workline)[length-1]!='\n'); //while not at the end of the line.
if (workline&&length) // if I got a line, and there was some length to it.
SetStart(workline); // set workline to the beginning.
return(workline); // return the line read from the file.
}
static PTEXT CPROC ParseCommand( PMYDATAPATH pdp, PTEXT buffer )
{
if( buffer )
{
PTEXT pCommand;
//Log2( WIDE("buffer: %s(%d)"), GetText( buffer ), GetTextSize( buffer ) );
//LogBinary( buffer );
pCommand = burst( buffer );
LineRelease( buffer );
if( pCommand )
{
PTEXT pTemp, pStart;
int bEscaped = FALSE;
pStart = pTemp = pCommand;
while( pTemp )
{
if( TextIs( pTemp, WIDE("\\") ) )
{
if( !bEscaped )
{
PTEXT pNext;
pNext = NEXTLINE( pTemp );
pNext->format.position.offset.spaces = pTemp->format.position.offset.spaces;
LineRelease( SegGrab( pTemp ) );
bEscaped = TRUE;
pTemp = pNext;
continue;
}
}
if( !bEscaped && TextIs( pTemp, WIDE(";") ) )
{
PTEXT pPrior;
//Log( WIDE("Splitting the line and enqueing it...") );
pPrior = pTemp;
SegBreak( pTemp );
if( pStart != pTemp )
{
// end of line included!
pStart = SegAppend( pStart, SegCreate(0) );
EnqueLink( &pdp->output, pStart );
}
pStart = pTemp = NEXTLINE( pTemp );
SegBreak( pTemp );
LineRelease( pPrior ); // remove ';'
bEscaped = FALSE;
continue;
}
bEscaped = FALSE;
pTemp = NEXTLINE( pTemp );
}
if( pStart )
{
PTEXT line;
line = BuildLine( pStart );
//Log1( WIDE("Enqueu: %s"), GetText( line ) );
LineRelease( line );
EnqueLink( &pdp->output, pStart );
}
}
else
{
// well what now? I guess pLine got put into Partial...
// next pass through this all for command recall will blow...
Log( WIDE("No information from the burst!") );
}
}
return (PTEXT)DequeLink( &pdp->output );
}
void HTTPCollapse( PTEXT *ppText )
{
PTEXT output;
PTEXT input = *ppText;
while( input )
{
if( GetText( input )[0] == '+' )
{
PTEXT subst;
// sometimes a + can be attached to a number
// so much for the natural language parser dealing with
// a machine oriented protocol...
if( GetTextSize( input ) > 1 )
{
SegSplit( &input, 1 );
}
subst = GetSubst( '+' );
SegInsert( subst, input );
LineRelease( SegGrab( input ) );
input = subst;
if( !PRIORLINE( input ) )
(*ppText) = input;
}
else if( TextIs( input, WIDE("%") ) )
{
PTEXT next = NEXTLINE( input );
if( next )
{
PTEXT subst;
SegSplit( &next, 2 );
subst = GetSubst( *(unsigned short*)GetText( next ) );
if( subst )
{
PTEXT nextnext = NEXTLINE( next );
PTEXT prior = SegBreak( input );
if( !prior )
{
*ppText = SegAppend( subst, nextnext );
}
if( nextnext )
{
SegBreak( nextnext );
if( !prior )
*ppText = nextnext;
else
SegAppend( prior, nextnext );
SegInsert( subst, nextnext );
input = nextnext;
continue;
}
else
{
SegAppend( prior, (PTEXT)&subst );
input = NULL;
continue;
}
}
// if not subst... just continue stepping, no replacement nessecary?
}
}
input = NEXTLINE( input );
}
output = BuildLine( *ppText );
LineRelease( *ppText );
(*ppText) = output;
}
void ParseURI( CTEXTSTR string )
{
int state;
PTEXT words;
PTEXT delete_seg = NULL;
PTEXT line = SegCreateFromText( string );
PTEXT filename = NULL;
PTEXT varname = NULL;
PTEXT varvalue = NULL;
PTEXT content = NULL;
int content_length;
struct {
uint32_t bInvalid : 1;
uint32_t bGet : 1;
uint32_t bPost : 1;
uint32_t bBinary : 1; // reading the content...
uint32_t bValue : 1;
} flags;
// we got a line, therefore we can process it...
// only thing then is the last line in the block ...
state = GET_FILENAME;
words = burst( line );
delete_seg = words;
// though...
LineRelease( line );
flags.bValue = 0;
while( words )
{
DECLTEXT( page, WIDE("page") );
DECLTEXT( CGI, WIDE("CGI") );
//printf( "state:%d word:%s \r\n",state, GetText(words ) );
// what does stuff have now? the whole thign? a line?
if( !GetTextSize( words ) ) switch( state )
{
case GET_HTTP_EOL:
state = GET_HTTP_METAVAR;
break;
case GET_HTTP_METAVAR:
case GET_CGI:
goto AddCGIVariable;
break;
}
else switch( state )
{
case RESET:
state = GET_COMMAND;
continue; // skip ahead and try new state;
break;
case GET_COMMAND:
if( TextLike( words, WIDE("GET") ) )
{
state = GET_FILENAME;
//flags.bGet = TRUE;
}
else if( TextLike( words, WIDE("POST") ) )
{
state = GET_FILENAME;
//flags.bPost = TRUE;
}
else
{
flags.bInvalid = TRUE;
}
break;
case GET_FILENAME:
if( !filename && TextIs( words, WIDE("/") ) )
{
// this is rude, and should never be done,
// however this filter consumes all data anyhow, SO
// mangling this will not hurt much...
words->format.position.offset.spaces = 0;
}
if( TextIs( words, WIDE("?") ) || words->format.position.offset.spaces )
{
if( !words->format.position.offset.spaces )
state = GET_CGI;
else
state = GET_HTTP_VERSION;
filename = NEXTLINE( filename );
LineRelease( SegBreak( filename ) );
HTTPCollapse( &filename );
//AddVariableExxx( ps, ps->Current, (PTEXT)&page, filename, FALSE,TRUE,TRUE DBG_SRC );
//AddVariable( ps, ps->Current, (PTEXT)&CGI, TextDuplicate( NEXTLINE( words ), FALSE ) );
LineRelease( filename );
filename = NULL;
}
else
{
filename = SegAppend( filename, SegDuplicate( words ) );
}
break;
case GET_CGI:
if( words->format.position.offset.spaces )
{
state = GET_HTTP_VERSION;
goto AddCGIVariable;
}
else
{
if( TextIs( words, WIDE("=") ) )
{
HTTPCollapse( &varname );
flags.bValue = 1;
}
else if( TextIs( words, WIDE("&") ) )
{
AddCGIVariable:
HTTPCollapse( &varvalue );
HTTPCollapse( &varname );
if( TextLike( varname, WIDE("content-length") ) )
{
content_length= IntCreateFromText( GetText( varvalue ) );
}
{
struct VAR *v = New( struct VAR );
v->varname = varname;
varname = NULL;
v->varvalue = varvalue;
varvalue = NULL;
AddLink( &l.vars, v );
}
//AddVariableExxx( ps, ps->Current, pmdp->varname, pmdp->varvalue, FALSE,TRUE,TRUE DBG_SRC );
//LineRelease( varname );
//LineRelease( varvalue );
//varname = NULL;
//varvalue = NULL;
flags.bValue = 0;
}
else
{
if( flags.bValue )
{
varvalue = SegAppend( varvalue, SegDuplicate( words ) );
}
else
{
//printf( "add var" );
varname = SegAppend( varname, SegDuplicate( words ) );
}
}
}
break;
case GET_HTTP_VERSION:
if( TextIs( words, WIDE("HTTP") ) )
{
// okay - don't really do anything... next word is the version...
}
else
{
// TextIs( words, "/" ); // this is a token before the number...
// Version better be something like 1.1 1.0?
// well wait for EOL...
state = GET_HTTP_EOL;
}
break;
case GET_HTTP_EOL:
if( !GetTextSize( words ) )
{
state = GET_HTTP_METAVAR;
}
break;
case GET_HTTP_METAVAR:
{
if( !flags.bValue && TextIs( words, WIDE(":") ) )
{
flags.bValue = TRUE;
}
else
{
if( flags.bValue )
{
varvalue = SegAppend( varvalue, SegDuplicate( words ) );
}
else
{
varname = SegAppend( varname, SegDuplicate( words ) );
}
}
}
break;
case GET_HTTP_CONTENT:
if( !content_length )
{
DebugBreak();
state = RESET;
}
else
{
// hmm we've parsed everything up to here, but now we need blocks, binary blocks.
content = SegAppend( content, words );
if( LineLength( content ) == content_length )
{
//ProcessPostCGI( common.Owner, content );
//AddVariableExxx( ps, ps->Current, (PTEXT)&CGI, content, FALSE,TRUE,TRUE DBG_SRC );
//AddVariable( ps, ps->Current, (PTEXT)&CGI, content );
LineRelease( content );
//InvokeBehavior( "http.request", common.Owner->Current, common.Owner, NULL );
//InvokeBehavior( "http_request", common.Owner->Current, common.Owner, NULL );
state = RESET;
}
words = NULL;
}
break;
}
int CPROC MakeProcess( PSENTIENT ps, PENTITY peInit, PTEXT parameters )
{
// parameters specify command and parameters to launch...
// perhaps a working directory? May or may not want it
// in the current directory...
// /make process test WIDE("command arguments") WIDE("work path") <attributes?>
// /make process test WIDE("notepad trigger.txt")
PSENTIENT ps2;
PPROCESS process = New( PROCESS );
TEXTCHAR MyPath[256];
GetCurrentPath( MyPath, sizeof( MyPath ) );
ps2 = CreateAwareness( peInit );
MemSet( process, 0, sizeof( PROCESS ) );
Log( WIDE("Have a process, and woke it up... setting the link") );
SetLink( &peInit->pPlugin, iProcess, process );
SetLink( &peInit->pDestroy, iProcess, DestroyProcess );
Log( WIDE("Set the link, getting params...") );
{
PTEXT text, cmd = NULL;
text = GetParam( ps, ¶meters );
if( text && TextIs( text, WIDE("\"") ) )
{
Log( WIDE("Found a quote, getting command line") );
while( (text = GetParam( ps, ¶meters )) && !TextIs( text, WIDE("\"") ) )
{
cmd = SegAppend( cmd, SegDuplicate( text ) );
}
cmd->format.position.offset.spaces = 0;
process->command = BuildLine( cmd );
if( text ) // closed, and may have start path....
{
text = GetParam( ps, ¶meters );
if( text && TextIs( text, WIDE("\"") ) )
{
Log( WIDE("Found a quote, getting the path") );
while( (text = GetParam( ps, ¶meters )) && !TextIs( text, WIDE("\"") ) )
{
cmd = SegAppend( cmd, SegDuplicate( text ) );
}
cmd->format.position.offset.spaces = 0;
process->directory = BuildLine( cmd );
}
}
}
else
{
DECLTEXT( msg, WIDE("Must specify process to execute in quotes (\")") );
EnqueLink( &ps->Command->Output, &msg );
WakeAThread( ps2 );
return -1; // abort creation.
}
}
Log2( WIDE("Starting %s in %s"), GetText( process->command ), GetText( process->directory ) );
process->si.cb = sizeof( process->si );
// remaining startup info members are NULL - specifying we do NOT care
// why why when where how the process starts.
if( StartProcess( process ) )
{
DECLTEXTSZ( msg, 256 );
msg.data.size = snprintf( msg.data.data, 256*sizeof(TEXTCHAR), WIDE("Failed to start \"%s\" in \"%s\" error: %ld"),
GetText( process->command ),
GetText( process->directory ),
GetLastError() );
EnqueLink( &ps->Command->Output, SegDuplicate( (PTEXT)&msg ) );
WakeAThread( ps2 );
return -1; // abort creation.
}
// well otherwise would seem we've launched a valid application
// we have valid process and thread handles to it which can be monitored
// and well that's about that.
WakeAThread( ps2 );
return 0;
}
CORE_PROC( PTEXT, GatherLineEx )( PTEXT *pOutput, INDEX *pIndex, int bInsert, int bSaveCR, int bData, PTEXT pInput )
// if data - assume data is coming from a preformatted source
// otherwise use escape as command entry and clear buffer...
{
// this routine should be used to process user type character
// input into a legible line buffer....
// results in a complete line....
// the line returned must be used - the output buffer
// is an accumulator and will contain any partial input buffer
// which remaineder if an EOL sequence was found....
// build line in buffer using standard console
// behavior...
INDEX pos
, len = 0
, size
, maxlen = 0;
PTEXT pReturn = NULL;
PTEXT pDelete = NULL;
TEXTCHAR character;
TEXTSTR output;
if( !pOutput ) // must supply a holder for partial collection...
return NULL;
if( !pInput ) // nothing new input - just using previous collection...
{
if( *pOutput )
{
// use prior partial as new input....
pInput = *pOutput;
pDelete = pInput; // this is never deleted if we use prior...
SetStart( pInput );
*pOutput = NULL;
}
else
return NULL;
}
// probably first pass of gathering...
if( !*pOutput )
{
*pOutput = SegCreate( BUILD_LINE_OUTPUT_SIZE );
if( pIndex )
*pIndex = 0;
SetTextSize( *pOutput, 0 );
output = GetText( *pOutput );
len = 0;
}
else if( pIndex )
{
output = GetText( *pOutput );
len = *pIndex;
if( (*pOutput)->data.size != len )
{
if( bInsert )
{
// creates a new segment inbetween here.....
*pOutput = SplitLine( *pOutput, *pIndex );
output = GetText( *pOutput );
len = *pIndex = GetTextSize( *pOutput );
}
else
{
maxlen = (*pOutput)->data.size;
}
}
}
else
{
output = GetText( *pOutput );
len = GetTextSize( *pOutput );
}
while( pInput )
{
size = GetTextSize( pInput );
for( pos = 0; pos < size; pos++ )
{
switch( character = GetText( pInput )[pos] )
{
case '\x1b':
if( !bData )
{
SetEnd( *pOutput );
SetStart( *pOutput )
{
SetTextSize( *pOutput, 0 );
}
SetTextSize( *pOutput, 0 );
output = GetText( *pOutput );
len = 0;
}
else
goto defaultcase;
break;
case '\x7f': // handle unix type delete too ? perhaps...
if( !bInsert )
{
PTEXT pNext;
// this will slide from the middle to the end...
// if bInsert - then prior to entrying this switch
// the data was split and THIS segment is set to zero.
pNext = *pOutput;
if( len != (maxlen = GetTextSize( *pOutput )) )
{
MemCpy( output + len, output+len+1, maxlen - len );
SetTextSize( *pOutput, --maxlen );
}
else
{
PTEXT pDel;
pNext = *pOutput;
do {
pDel = pNext;
pNext = NEXTLINE( pNext );
if( pDel != *pOutput )
{
SegGrab( pDel );
LineRelease( pDel );
}
} while( pNext && !GetTextSize( pNext ) );
if( pNext )
{
size_t len2;
output = GetText( pNext );
len2 = GetTextSize( pNext ) - 1;
*pOutput = pNext;
len = 0;
MemCpy( output, output+1, len2 );
SetTextSize( pNext, len2 );
}
}
}
else // was insert is either at end....
{
// I dunno perform sliding delete operation...
// must refresh the output string....
{
PTEXT pNext, pDel;
pNext = *pOutput;
do {
pDel = pNext;
pNext = NEXTLINE( pNext );
if( pDel != *pOutput )
{
SegGrab( pDel );
LineRelease( pDel );
}
} while( pNext && !GetTextSize( pNext ) );
if( pNext )
{
size_t len2;
TEXTCHAR *data;
data = GetText( pNext );
MemCpy( data, data+1, len2 = (GetTextSize( pNext ) - 1 ));
SetTextSize( pNext, len2 );
}
}
}
break;
case '\b':
/* perhaps consider using split for backspace in a line...*/
if( !bInsert )
{
PTEXT pNext;
size_t maxlen;
// this will slide from the middle to the end...
// if bInsert - then prior to entrying this switch
// the data was split and THIS segment is set to zero.
pNext = *pOutput;
maxlen = GetTextSize( *pOutput );
while( !maxlen && PRIORLINE( *pOutput ) )
{
*pOutput = PRIORLINE( *pOutput );
len = maxlen = GetTextSize( *pOutput );
}
if( maxlen )
{
if( len != maxlen )
{
size_t sz;
sz = maxlen - len;
MemCpy( output + len - 1, output + len, sz );
SetTextSize( *pOutput, maxlen - 1 );
len--;
}
else
{
SetTextSize( *pOutput, --len );
}
}
}
else // was insert is either at end....
{
if( len )
{
SetTextSize( *pOutput, --len );
}
else
{
if( PRIORLINE( *pOutput ) )
{
*pOutput = PRIORLINE( *pOutput );
len = GetTextSize( *pOutput );
}
if( len )
SetTextSize( *pOutput, --len );
}
}
break;
case '\r': // ignore this character...
if( !bSaveCR )
break;
// falls through .. past this and saves the return...
if(0)
case '\n':
if( !pReturn )
{
// transfer *pOutput to pReturn....
pReturn = *pOutput;
SetEnd( pReturn );
output = GetText( pReturn );
len = GetTextSize( pReturn );
output[len] = character;
SetTextSize( pReturn, ++len );
// begin next collection in case more data is in the input...
*pOutput = SegCreate( BUILD_LINE_OUTPUT_SIZE );
SetTextSize( *pOutput, 0 );
output = GetText( *pOutput );
len = 0;
break;
}
// store carriage return...
default:
defaultcase:
output[len++] = character;
if( (maxlen && len == maxlen ) ||
len == BUILD_LINE_OUTPUT_SIZE )
{
PTEXT pTemp;
SetTextSize( *pOutput, len );
if( !NEXTLINE( *pOutput ) )
{
SegAppend( *pOutput, pTemp = SegCreate( BUILD_LINE_OUTPUT_SIZE ) );
SetTextSize( pTemp, 0 );
}
else
{
pTemp = NEXTLINE( *pOutput );
maxlen = GetTextSize( pTemp );
}
*pOutput = pTemp;
output = GetText( *pOutput );
len = 0;
}
else
{
if( bInsert ) // insertion happens at end of segment
// and the segment is broken...
{
if( !pIndex || ( len > *pIndex ) )
SetTextSize( *pOutput, len );
}
else
if( len > GetTextSize( *pOutput ) )
{
SetTextSize( *pOutput, len );
}
}
break;
}
}
int GetInputData( int bWord, PSENTIENT ps, PTEXT parameters )
{
if( ps->Data )
{
PTEXT pSave, temp;
PTEXT *pInd = NULL;
pSave = parameters;
lprintf( WIDE("Get data from datapath...") );
if( !( ( temp = GetParam( ps, ¶meters ) ) ) )
{
lprintf( WIDE("No parameters specified to get line") );
LineRelease( ps->pLastResult );
ps->pLastResult = NULL;
pInd = &ps->pLastResult;
}
else
{
if( temp == pSave )
{
DECLTEXT( msg, WIDE("is not a valid variable reference.") );
EnqueLink( &ps->Command->Output, SegAppend( SegDuplicate( temp ), (PTEXT)&msg ) );
return FALSE;
}
if( temp->flags & TF_INDIRECT )
{
LineRelease( GetIndirect( temp ) );
SetIndirect( temp, NULL );
pInd = (PTEXT*)&temp->data.size;
}
else
{
DECLTEXT( msg, WIDE("is not a valid variable reference(not indirect).") );
EnqueLink( &ps->Command->Output, SegAppend( SegDuplicate( temp ), (PTEXT)&msg ) );
return FALSE;
}
}
if( !pInd )
{
DECLTEXT( msg, WIDE("FATAL ERROR: Did not set pInd (GetLine)") );
EnqueLink( &ps->Command->Output, (PTEXT)&msg );
return FALSE;
}
// try grabbing an existing line - could be put there from BURST of prior...
if( !ps->Data->CurrentWord ) // just got last word off line...
{
if( ps->Data->CurrentLine )
{
LineRelease( ps->Data->CurrentLine );
ps->Data->CurrentLine = NULL;
}
}
if( !ps->Data->CurrentLine )
{
// Gather Data from input source....
// data from HT_CLIENT 'appears' asynchrous
// to scripting....
if( ps->Data->Read )
ps->Data->Read( ps->Data ); // this returns a completeline...
ps->Data->CurrentLine = (PTEXT)DequeLink( &ps->Data->Input );
}
if( ps->Data->CurrentLine )
if( !ps->Data->CurrentWord )
ps->Data->CurrentWord = ps->Data->CurrentLine;
if( ps->Data->CurrentWord )
{
// indirect pointer will be null.
if( bWord )
{
*pInd = SegDuplicate( ps->Data->CurrentWord );
ps->Data->CurrentWord = NEXTLINE( ps->Data->CurrentWord );
}
else
{
// duplicate to end of line... which may be whole - or
// may be partial because of prior GETWORD from the line...
// then release the data input line...
// must duplicate the data in either case cause
// it will be deleted with additional setting of the
// variable...
*pInd = TextDuplicate( ps->Data->CurrentWord, FALSE );
LineRelease( ps->Data->CurrentWord );
ps->Data->CurrentLine = NULL; // do NOT release this line...
ps->Data->CurrentWord = NULL; // no word on line
}
}
if( ps->CurrentMacro && *pInd )
ps->CurrentMacro->state.flags.bSuccess = TRUE;
}
return FALSE;
}
