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+ icu extension * Hide unlinked tables in db diagram * Improve autocomplete
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| lower2(str) | ||
| upper2(str) | ||
| */ | ||
| #include "sqlite3ext.h" | ||
| SQLITE_EXTENSION_INIT1 | ||
| #include <assert.h> | ||
| #include <string.h> | ||
| #include <windows.h> | ||
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| char* transform(const char* in8, boolean isToLower) { | ||
| int len8 = strlen(in8) + 1; | ||
| char* res8 = malloc(sizeof(char) * len8); | ||
| memset(res8, 0, sizeof(char) * len8); | ||
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| if (len8 > 1) { | ||
| int len16 = MultiByteToWideChar(CP_UTF8, 0, in8, -1, NULL, 0); | ||
| wchar_t* in16 = malloc(sizeof(wchar_t) * len16); | ||
| memset(in16, 0, sizeof(wchar_t) * len16); | ||
| MultiByteToWideChar(CP_UTF8, 0, in8, -1, in16, len16); | ||
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| wchar_t* res16 = isToLower ? _wcslwr(in16) : _wcsupr(in16); | ||
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| WideCharToMultiByte(CP_UTF8, 0, res16, -1, res8, len8, 0, 0); | ||
| free(res16); | ||
| } | ||
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| return res8; | ||
| } | ||
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| static void lower(sqlite3_context *context, int argc, sqlite3_value **argv){ | ||
| const char* str = sqlite3_value_text(argv[0]); | ||
| char* res = (char*)transform(str, TRUE); | ||
| sqlite3_result_text(context, res, -1, SQLITE_TRANSIENT); | ||
| free(res); | ||
| } | ||
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| static void upper(sqlite3_context *context, int argc, sqlite3_value **argv){ | ||
| const char* str = sqlite3_value_text(argv[0]); | ||
| char* res = (char*)transform(str, FALSE); | ||
| sqlite3_result_text(context, res, -1, SQLITE_TRANSIENT); | ||
| free(res); | ||
| } | ||
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| __declspec(dllexport) int sqlite3_icu_init(sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi) { | ||
| SQLITE_EXTENSION_INIT2(pApi); | ||
| (void)pzErrMsg; /* Unused parameter */ | ||
| return sqlite3_create_function(db, "lower2", 1, SQLITE_UTF8, 0, lower, 0, 0) || | ||
| sqlite3_create_function(db, "upper2", 1, SQLITE_UTF8, 0, upper, 0, 0); | ||
| } |
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