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[smartpl] Support "starts with" operator for string fields

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This commit is contained in:
chme 2015-07-04 05:50:11 +02:00
parent ea4ea072cd
commit 879307f3ac
2 changed files with 18 additions and 1 deletions
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5
src/SMARTPL.g
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@ -38,7 +38,7 @@ nexpr : NOT^ crit
; ;
crit : LPAR expression RPAR -> expression crit : LPAR expression RPAR -> expression
| STRTAG (INCLUDES|IS) STR | STRTAG (INCLUDES|IS|STARTSWITH) STR
| INTTAG INTBOOL INT | INTTAG INTBOOL INT
| DATETAG (AFTER|BEFORE) dateval | DATETAG (AFTER|BEFORE) dateval
| ENUMTAG IS ENUMVAL | ENUMTAG IS ENUMVAL
@ -85,6 +85,9 @@ INCLUDES : 'includes'
IS : 'is' IS : 'is'
; ;
STARTSWITH : 'starts with'
;
INTBOOL : (GREATER|GREATEREQUAL|LESS|LESSEQUAL|EQUAL) INTBOOL : (GREATER|GREATEREQUAL|LESS|LESSEQUAL|EQUAL)
; ;

14
src/SMARTPL2SQL.g
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@ -114,6 +114,20 @@ expression returns [ pANTLR3_STRING result ]
$result->append8($result, sqlite3_mprintf("\%q", (const char *)val)); $result->append8($result, sqlite3_mprintf("\%q", (const char *)val));
$result->append8($result, "'"); $result->append8($result, "'");
} }
| STRTAG STARTSWITH STR
{
pANTLR3_UINT8 val;
val = $STR.text->toUTF8($STR.text)->chars;
val++;
val[strlen((const char *)val) - 1] = '\0';
$result = $STR.text->factory->newRaw($STR.text->factory);
$result->append8($result, "f.");
$result->appendS($result, $STRTAG.text->toUTF8($STRTAG.text));
$result->append8($result, " LIKE '");
$result->append8($result, sqlite3_mprintf("\%q", (const char *)val));
$result->append8($result, "\%'");
}
| INTTAG INTBOOL INT | INTTAG INTBOOL INT
{ {
$result = $INTTAG.text->factory->newRaw($INTTAG.text->factory); $result = $INTTAG.text->factory->newRaw($INTTAG.text->factory);