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https://git.osgeo.org/gitea/postgis/postgis
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52 lines
1.4 KiB
Plaintext
52 lines
1.4 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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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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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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%}
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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); return VALUE; }
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<vals_ok>[-|\+]?(\.[0-9]+)([Ee](\+|-)?[0-9]+)? { lwg_parse_yylval.value=atof(lwg_parse_yytext); 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 { return POINT; }
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<*>LINESTRING { return LINESTRING; }
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<*>POLYGON { return POLYGON; }
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<*>MULTIPOINT { return MULTIPOINT; }
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<*>MULTILINESTRING { return MULTILINESTRING; }
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<*>MULTIPOLYGON { return MULTIPOLYGON; }
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<*>GEOMETRYCOLLECTION { return GEOMETRYCOLLECTION; }
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<*>SRID { BEGIN(vals_ok); return SRID; }
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<*>EMPTY { return EMPTY; }
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<*>\( { BEGIN(vals_ok); return LPAREN; }
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<*>\) { return RPAREN; }
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<*>, { return COMMA ; }
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<*>= { return EQUALS ; }
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<*>; { BEGIN(0); return SEMICOLON; }
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<*>[ \t\n\r]+ /*eat whitespace*/
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<*>. { return lwg_parse_yytext[0]; }
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%%
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