Cross Reference: /external/antlr/antlr-3.4/runtime/C/src/antlr3filestream.c

Lines Matching refs:input
3  * is a filesystem based input set and all the characters in the filestream
7  * sets can be supported from input files. The ANTLR3 C runtime expects
49 static  void                    setupInputStream            (pANTLR3_INPUT_STREAM input);
56     pANTLR3_INPUT_STREAM input;
63     input   = antlr3CreateFileStream(fileName);
64     if  (input == NULL)
72     input->encoding = encoding;
77     setupInputStream(input);
81     input->istream->streamName	= input->strFactory->newStr8(input->strFactory, fileName);
82     input->fileName		= input->istream->streamName;
84     return input;
91     pANTLR3_INPUT_STREAM    input;
97     input   = antlr3CreateStringStream(data);
98     if  (input == NULL)
105     input->sizeBuf		= size;
110     input->encoding = encoding;
115     setupInputStream(input);
119     input->istream->streamName	= input->strFactory->newStr8(input->strFactory, name);
120     input->fileName		= input->istream->streamName;
122     return input;
126 /// Determine endianess of the input stream and install the
130 setupInputStream(pANTLR3_INPUT_STREAM input)
155     switch  (input->encoding)
164             if  (       (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar))      == 0xEF
165                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0xBB
166                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+2))    == 0xBF
171                 input->nextChar = (void *)((pANTLR3_UINT8)input->nextChar + 3);
174             // Install the UTF8 input routines
176             antlr3UTF8SetupStream(input);
181             // See if there is a BOM at the start of the input. If not then
186             if  (       (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar))      == 0xFE
187                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0xFF
192                 input->nextChar = (void *)((pANTLR3_UINT8)input->nextChar + 2);
194                 antlr3UTF16SetupStream(input, isBigEndian, ANTLR3_TRUE);
196             else if  (      (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar))      == 0xFF
197                         &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0xFE
202                 input->nextChar = (void *)((pANTLR3_UINT8)input->nextChar + 2);
204                 antlr3UTF16SetupStream(input, isBigEndian, ANTLR3_FALSE);
210                 antlr3UTF16SetupStream(input, isBigEndian, isBigEndian);
216             // See if there is a BOM at the start of the input. If not then
221             if  (       (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar))      == 0x00
222                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0x00
223                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+2))    == 0xFE
224                     &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+3))    == 0xFF
229                 input->nextChar = (void *)((pANTLR3_UINT8)input->nextChar + 4);
231                 antlr3UTF32SetupStream(input, isBigEndian, ANTLR3_TRUE);
233             else if  (      (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar))      == 0xFF
234                         &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0xFE
235                         &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0x00
236                         &&  (ANTLR3_UINT8)(*((pANTLR3_UINT8)input->nextChar+1))    == 0x00
241                 input->nextChar = (void *)((pANTLR3_UINT8)input->nextChar + 4);
243                 antlr3UTF32SetupStream(input, isBigEndian, ANTLR3_FALSE);
249                 antlr3UTF32SetupStream(input, isBigEndian, isBigEndian);
257             antlr3UTF16SetupStream(input, isBigEndian, ANTLR3_TRUE);
264             antlr3UTF16SetupStream(input, isBigEndian, ANTLR3_FALSE);
271             antlr3UTF32SetupStream(input, isBigEndian, ANTLR3_TRUE);
278             antlr3UTF32SetupStream(input, isBigEndian, ANTLR3_FALSE);
286             antlr3EBCDICSetupStream(input);
294             antlr38BitSetupStream(input);
299 /** \brief Use the contents of an operating system file as the input
300  *         for an input stream.
304  *	- Pointer to new input stream context upon success
310 	// Pointer to the input stream we are going to create
312 	pANTLR3_INPUT_STREAM    input;
320 	// Allocate memory for the input stream structure
322 	input   = (pANTLR3_INPUT_STREAM)
325 	if	(input == NULL)
332 	status  = antlr3read8Bit(input, fileName);
334 	// Call the common 8 bit input stream handler
337 	antlr3GenericSetupStream(input);
345 		input->close(input);
349 	return  input;
353 antlr3read8Bit(pANTLR3_INPUT_STREAM    input, pANTLR3_UINT8 fileName)
371 	fSize   = antlr3Fsize(fileName);	/* Size of input file	*/
373 	/* Allocate buffer for this input set   
375 	input->data	    = ANTLR3_MALLOC((size_t)fSize);
376 	input->sizeBuf  = fSize;
378 	if	(input->data == NULL)
383 	input->isAllocated	= ANTLR3_TRUE;
388 	antlr3Fread(infile, fSize, input->data);
434 /** \brief Use the supplied 'string' as input to the stream
436  * \param data Pointer to the input data
438  *	- Pointer to new input stream context upon success
444 	// Pointer to the input stream we are going to create
446 	pANTLR3_INPUT_STREAM    input;
453 	// Allocate memory for the input stream structure
455 	input   = (pANTLR3_INPUT_STREAM)
458 	if	(input == NULL)
465         input->data             = data;
466         input->isAllocated	= ANTLR3_FALSE;
468 	// Call the common 8 bit input stream handler
471 	antlr3GenericSetupStream(input);
473         return  input;