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/* Copyright (C) 1999-2018
* Smithsonian Astrophysical Observatory, Cambridge, MA, USA
* For conditions of distribution and use, see copyright notice in "copyright"
*/
%option noyywrap
%option caseless
%option never-interactive
%option c++
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
#include "nrrdparser.H"
extern YYSTYPE* nrrdlval;
extern nrrdFlexLexer* nrrdlexx;
%}
%x DISCARD
D [0-9]
E [Ee][+-]?{D}+
/* rules */
%%
<DISCARD>[\n] { // special case-- #\n
BEGIN INITIAL;
yyless(0); // put back the terminator
strcpy(nrrdlval->str,""); // feed a blank string
return STRING;
}
<DISCARD>[^\n]* { // Discard reset of line
BEGIN INITIAL;
int ll = yyleng <(NRRDPARSERSIZE-1) ? yyleng:(NRRDPARSERSIZE-1);
strncpy(nrrdlval->str,yytext,ll);
nrrdlval->str[ll] = '\0';
return STRING;
}
debug {return DEBUG_;}
on {return ON_;}
off {return OFF_;}
NRRD0001 {return NRRD0001_;}
NRRD0002 {return NRRD0002_;}
NRRD0003 {return NRRD0003_;}
NRRD0004 {return NRRD0004_;}
NRRD0005 {return NRRD0005_;}
data {return DATA_;}
file {return FILE_;}
space {return SPACE_;}
units {return UNITS_;}
dimentions {return DIMENSIONS_;}
origin {return ORIGIN_;}
directions {return DIRECTIONS_;}
dimension {return DIMENSION_;}
type {return TYPE_;}
signed {return SIGNED_;}
unsigned {return UNSIGNED_;}
char {return CHAR_;}
int8 {return INT8_;}
int8_t {return INT8_T_;}
uchar {return UCHAR_;}
uint8 {return UINT8_;}
uint8_t {return UINT8_T_;}
short {return SHORT_;}
int {return INT_;}
int16 {return INT16_;}
int16_t {return INT16_T_;}
ushort {return USHORT_;}
unint16 {return UINT16_;}
unint16_t {return UINT16_T_;}
int32 {return INT32_;}
int32_t {return INT32_T_;}
uint {return UINT_;}
uint32 {return UINT32_;}
uint32_t {return UINT32_T_;}
long {return LONG_;}
longlong {return LONGLONG_;}
int64 {return INT64_;}
int64_t {return INT64_T_;}
unlonglong {return ULONGLONG_;}
unint64 {return UINT64_;}
unint64_t {return UINT64_T_;}
float {return FLOAT_;}
double {return DOUBLE_;}
block {return BLOCK_;}
size {return SIZE_;}
blocksize {return BLOCKSIZE_;}
encoding {return ENCODING_;}
raw {return RAW_;}
txt {return TXT_;}
text {return TEXT_;}
ascii {return ASCII_;}
hex {return HEX_;}
gz {return GZ_;}
gzip {return GZIP_;}
bz2 {return BZ2_;}
bzip2 {return BZIP2_;}
endian {return ENDIAN_;}
big {return BIG_;}
little {return LITTLE_;}
content {return CONTENT_;}
old {return OLD_;}
min {return MIN_;}
oldmin {return OLDMIN_;}
max {return MAX_;}
oldmax {return OLDMAX_;}
skip {return SKIP_;}
line {return LINE_;}
lineskip {return LINESKIP_;}
byte {return BYTE_;}
byteskip {return BYTESKIP_;}
number {return NUMBER_;}
sample {return SAMPLE_;}
sampleunits {return SAMPLEUNITS_;}
sizes {return SIZES_;}
spacings {return SPACINGS_;}
thickness {return THICKNESSES_;}
axis {return AXIS_;}
mins {return MINS_;}
axismins {return AXISMINS_;}
maxs {return MAXS_;}
axismaxs {return AXISMAXS_;}
centers {return CENTERS_;}
centerings {return CENTERINGS_;}
cell {return CELL_;}
node {return NODE_;}
none {return NONE_;}
labels {return LABELS_;}
kinds {return KINDS_;}
domains {return DOMAINS_;}
[+-]?{D}+ { // Integer
nrrdlval->integer = atoi(yytext);
return INT;
}
[+-]?{D}+"."?({E})? |
[+-]?{D}*"."{D}+({E})? { // Real Number
nrrdlval->real = atof(yytext);
return REAL;
}
\{[^\}\n]*\} { // Quoted String
int ll = (yyleng-2)<(NRRDPARSERSIZE-1) ? (yyleng-2):(NRRDPARSERSIZE-1);
strncpy(nrrdlval->str,yytext+1,ll); // skip the '{'
nrrdlval->str[ll] = '\0'; // Remove the '}'
return STRING;
}
[0-9A-Za-z]+ { // General String
int ll = yyleng <(NRRDPARSERSIZE-1) ? yyleng:(NRRDPARSERSIZE-1);
strncpy(nrrdlval->str,yytext,ll);
nrrdlval->str[ll] = '\0';
return STRING;
}
[ \t]+ { // White Spaces
}
\r\n { // windows line feed
return '\n';
}
\\n { // fake line feed
return '\n';
}
\n { // linefeed
return '\n';
}
<<EOF>> { // eof
return EOF_;
}
. { // Else, return the char
return yytext[0];
}
%%
void nrrdDiscard(int doit)
{
if (nrrdlexx)
nrrdlexx->begin(DISCARD, doit);
}
void nrrdFlexLexer::begin(int which, int doit)
{
BEGIN which;
if (doit)
yyless(0);
}
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