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https://git.osgeo.org/gitea/postgis/postgis
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75 lines
2.9 KiB
Plaintext
75 lines
2.9 KiB
Plaintext
/*
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* Written by Ralph Mason ralph.mason<at>telogis.com
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*
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* Copyright Telogis 2004
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* www.telogis.com
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*
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*/
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%x vals_ok
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%{
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#include "wktparse.tab.h"
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#include <unistd.h>
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#include <stdlib.h> // need stdlib for atof() definition
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void init_parser(const char *src);
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void close_parser(void);
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int lwg_parse_yywrap(void);
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int lwg_parse_yylex(void);
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static YY_BUFFER_STATE buf_state;
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void init_parser(const char *src) { BEGIN(0);buf_state = lwg_parse_yy_scan_string(src); }
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void close_parser() { lwg_parse_yy_delete_buffer(buf_state); }
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int lwg_parse_yywrap(void){ return 1; }
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/* Macro to keep track of the current parse position */
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#define UPDATE_YYLLOC() (lwg_parse_yylloc.last_column += yyleng)
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%}
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%%
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<vals_ok>[-|\+]?[0-9]+(\.[0-9]+)?([Ee](\+|-)?[0-9]+)? { lwg_parse_yylval.value=atof(lwg_parse_yytext); UPDATE_YYLLOC(); return VALUE; }
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<vals_ok>[-|\+]?(\.[0-9]+)([Ee](\+|-)?[0-9]+)? { lwg_parse_yylval.value=atof(lwg_parse_yytext); UPDATE_YYLLOC(); return VALUE; }
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<INITIAL>00[0-9A-F]* { lwg_parse_yylval.wkb=lwg_parse_yytext; return WKB;}
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<INITIAL>01[0-9A-F]* { lwg_parse_yylval.wkb=lwg_parse_yytext; return WKB;}
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<*>POINT { UPDATE_YYLLOC(); return POINT; }
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<*>POINTM { UPDATE_YYLLOC(); return POINTM; }
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<*>LINESTRING { UPDATE_YYLLOC(); return LINESTRING; }
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<*>LINESTRINGM { UPDATE_YYLLOC(); return LINESTRINGM; }
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<*>CIRCULARSTRING { UPDATE_YYLLOC(); return CIRCULARSTRING; }
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<*>CIRCULARSTRINGM { UPDATE_YYLLOC(); return CIRCULARSTRINGM; }
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<*>POLYGON { UPDATE_YYLLOC(); return POLYGON; }
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<*>POLYGONM { UPDATE_YYLLOC(); return POLYGONM; }
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<*>COMPOUNDCURVE { UPDATE_YYLLOC(); return COMPOUNDCURVE; }
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<*>COMPOUNDCURVEM { UPDATE_YYLLOC(); return COMPOUNDCURVEM; }
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<*>CURVEPOLYGON { UPDATE_YYLLOC(); return CURVEPOLYGON; }
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<*>CURVEPOLYGONM { UPDATE_YYLLOC(); return CURVEPOLYGONM; }
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<*>MULTIPOINT { UPDATE_YYLLOC(); return MULTIPOINT; }
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<*>MULTIPOINTM { UPDATE_YYLLOC(); return MULTIPOINTM; }
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<*>MULTILINESTRING { UPDATE_YYLLOC(); return MULTILINESTRING; }
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<*>MULTILINESTRINGM { UPDATE_YYLLOC(); return MULTILINESTRINGM; }
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<*>MULTICURVE { UPDATE_YYLLOC(); return MULTICURVE; }
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<*>MULTICURVEM { UPDATE_YYLLOC(); return MULTICURVEM; }
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<*>MULTIPOLYGON { UPDATE_YYLLOC(); return MULTIPOLYGON; }
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<*>MULTIPOLYGONM { UPDATE_YYLLOC(); return MULTIPOLYGONM; }
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<*>MULTISURFACE { UPDATE_YYLLOC(); return MULTISURFACE; }
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<*>MULTISURFACEM { UPDATE_YYLLOC(); return MULTISURFACEM; }
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<*>GEOMETRYCOLLECTION { UPDATE_YYLLOC(); return GEOMETRYCOLLECTION; }
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<*>GEOMETRYCOLLECTIONM { UPDATE_YYLLOC(); return GEOMETRYCOLLECTIONM; }
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<*>SRID { BEGIN(vals_ok); UPDATE_YYLLOC(); return SRID; }
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<*>EMPTY { UPDATE_YYLLOC(); return EMPTY; }
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<*>\( { BEGIN(vals_ok); UPDATE_YYLLOC(); return LPAREN; }
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<*>\) { UPDATE_YYLLOC(); return RPAREN; }
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<*>, { UPDATE_YYLLOC(); return COMMA ; }
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<*>= { UPDATE_YYLLOC(); return EQUALS ; }
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<*>; { BEGIN(0); UPDATE_YYLLOC(); return SEMICOLON; }
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<*>[ \t\n\r]+ /*eat whitespace*/ { UPDATE_YYLLOC(); }
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<*>. { return lwg_parse_yytext[0]; }
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%%
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