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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 "contourparser.H"
extern YYSTYPE* ctlval;
extern ctFlexLexer* ctlexx;
%}
%x DISCARD
D [0-9]
E [Ee][+-]?{D}+
H [0-9a-fA-F]
/* rules */
%%
<DISCARD>[\n] { // special case-- #\n
BEGIN INITIAL;
yyless(0); // put back the terminator
strcpy(ctlval->str,""); // feed a blank string
return STRING;
}
<DISCARD>[^\n]* { // Discard reset of line
BEGIN INITIAL;
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return STRING;
}
amplifier {return AMPLIFIER_;}
b1950 {return B1950_;}
color {return COLOR_;}
dash {return DASH_;}
dashlist {return DASHLIST_;}
debug {return DEBUG_;}
detector {return DETECTOR_;}
ecliptic {return ECLIPTIC_;}
false {return FALSE_;}
fk4 {return FK4_;}
fk5 {return FK5_;}
galactic {return GALACTIC_;}
global {return GLOBAL_;}
icrs {return ICRS_;}
image {return IMAGE_;}
j2000 {return J2000_;}
level {return LEVEL_;}
levels {return LEVELS_;}
linear {return LINEAR_;}
n {return N_;}
no {return NO_;}
off {return OFF_;}
on {return ON_;}
physical {return PHYSICAL_;}
true {return TRUE_;}
version {return VERSION_;}
wcs {return WCS_;}
wcsa {return WCSA_;}
wcsb {return WCSB_;}
wcsc {return WCSC_;}
wcsd {return WCSD_;}
wcse {return WCSE_;}
wcsf {return WCSF_;}
wcsg {return WCSG_;}
wcsh {return WCSH_;}
wcsi {return WCSI_;}
wcsj {return WCSJ_;}
wcsk {return WCSK_;}
wcsl {return WCSL_;}
wcsm {return WCSM_;}
wcsn {return WCSN_;}
wcso {return WCSO_;}
wcsp {return WCSP_;}
wcsq {return WCSQ_;}
wcsr {return WCSR_;}
wcss {return WCSS_;}
wcst {return WCST_;}
wcsu {return WCSU_;}
wcsv {return WCSV_;}
wcsw {return WCSW_;}
wcsx {return WCSX_;}
wcsy {return WCSY_;}
wcsz {return WCSZ_;}
width {return WIDTH_;}
y {return Y_;}
yes {return YES_;}
[+-]?{D}+ { // Integer
ctlval->integer = atoi(yytext);
return INT;
}
[+-]?{D}+"."?({E})? |
[+-]?{D}*"."{D}+({E})? { // Real Number
ctlval->real = atof(yytext);
return REAL;
}
[+-]?{D}+"."?d |
[+-]?{D}*"."{D}+d { // degrees
yytext[yyleng-1] = '\0';
ctlval->real = atof(yytext);
return ANGDEGREE;
}
[+-]?{D}+"."?p |
[+-]?{D}*"."{D}+p { // physical coords
yytext[yyleng-1] = '\0';
ctlval->real = atof(yytext);
return PHYCOORD;
}
[+-]?{D}+"."?i |
[+-]?{D}*"."{D}+i { // image coords
yytext[yyleng-1] = '\0';
ctlval->real = atof(yytext);
return IMGCOORD;
}
[+-]?{D}+:{D}+:{D}+"."? |
[+-]?{D}+:{D}+:{D}*"."{D}+ { // Sexagesimal
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return SEXSTR;
}
[+-]?{D}+h{D}+m{D}+"."?s |
[+-]?{D}+h{D}+m{D}*"."{D}+s { // HMS
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return HMSSTR;
}
[+-]?{D}+d{D}+m{D}+"."?s |
[+-]?{D}+d{D}+m{D}*"."{D}+s { // DMS
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return DMSSTR;
}
#({H}){3} { // 8 bit Hex Color
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return STRING;
}
#({H}){6} { // 16 bit Hex Color
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return STRING;
}
#({H}){12} { // 32 bit Hex Color
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->str[ll] = '\0';
return STRING;
}
\"[^\"\n]*\" |
\'[^\'\n]*\' { // Quoted String
int ll = (yyleng-2)<(CTBUFSIZE-1) ? (yyleng-2):(CTBUFSIZE-1);
strncpy(ctlval->str,yytext+1,ll); // skip the " "
ctlval->str[ll] = '\0'; // Remove the '"'
return STRING;
}
\{[^\}\n]*\} { // Quoted String
int ll = (yyleng-2)<(CTBUFSIZE-1) ? (yyleng-2):(CTBUFSIZE-1);
strncpy(ctlval->str,yytext+1,ll); // skip the '{'
ctlval->str[ll] = '\0'; // Remove the '}'
return STRING;
}
[0-9A-Za-z]+ { // General String
int ll = yyleng <(CTBUFSIZE-1) ? yyleng:(CTBUFSIZE-1);
strncpy(ctlval->str,yytext,ll);
ctlval->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 ctDiscard(int doit)
{
if (ctlexx)
ctlexx->begin(DISCARD, doit);
}
void ctFlexLexer::begin(int which, int doit)
{
BEGIN which;
if (doit)
yyless(0);
}
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