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Add SQL quote escaping, Documentation fix

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whydoubt
2004-08-27 02:05:22 +00:00
parent e33c909174
commit 2e5179fb63
3 changed files with 33 additions and 6 deletions
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33
src/sql/lexer.l
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@@ -43,14 +43,37 @@ null { return NUL; }
(>=) { return GTEQ; }
like { return LIKE; }
[ \t\r] ;
\"[A-z][A-z0-9 _#@]*\" {
yylval.name = strdup(&yytext[1]);
yylval.name[strlen(yylval.name)-1]='\0';
return IDENT;
\"[^"]*\"\" {
yyless(yyleng-1);
yymore();
}
\"[^"]*\" {
int ip, op, ilen;
ilen = strlen(yytext);
yylval.name = malloc(ilen-1);
for (ip=1, op=0; ip<ilen-1; ip++, op++) {
if (yytext[ip] != '"') {
yylval.name[op] = yytext[ip];
} else if (yytext[ip+1] == '"') {
yylval.name[op] = yytext[ip++];
}
}
yylval.name[op]='\0';
return IDENT;
}
[A-z][A-z0-9_#@]* { yylval.name = strdup(yytext); return NAME; }
'[A-z0-9 !@#$%^&*()-_+={}[\];:",.<>/?`~|\\]*' { yylval.name = strdup(yytext); return STRING; }
'[^']*'' {
yyless(yyleng-1);
yymore();
}
'[^']*' {
yylval.name = strdup(yytext);
return STRING;
}
(-*[0-9]+|([0-9]*\.[0-9]+)([eE][-+]?[0-9]+)?) {
yylval.name = strdup(yytext); return NUMBER;
}